X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fmsgs.rs;h=19c92e5746e51696f658d220cb2ab4fa4964cbfd;hb=c39c398f0618835201fb741b1976952c3f9180fa;hp=e8a226932b4d252b5f3eb16d6daf1181b3b8059a;hpb=89524466843e60676a117b77e1e0b41cd4230d7d;p=rust-lightning

diff --git a/lightning/src/ln/msgs.rs b/lightning/src/ln/msgs.rs
index e8a22693..19c92e57 100644
--- a/lightning/src/ln/msgs.rs
+++ b/lightning/src/ln/msgs.rs
@@ -28,23 +28,35 @@ use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::secp256k1::PublicKey;
 use bitcoin::secp256k1::ecdsa::Signature;
 use bitcoin::{secp256k1, Witness};
-use bitcoin::blockdata::script::Script;
-use bitcoin::hash_types::{Txid, BlockHash};
+use bitcoin::blockdata::script::ScriptBuf;
+use bitcoin::hash_types::Txid;
 
+use crate::blinded_path::payment::{BlindedPaymentTlvs, ForwardTlvs, ReceiveTlvs};
 use crate::ln::{ChannelId, PaymentPreimage, PaymentHash, PaymentSecret};
 use crate::ln::features::{ChannelFeatures, ChannelTypeFeatures, InitFeatures, NodeFeatures};
 use crate::ln::onion_utils;
 use crate::onion_message;
+use crate::sign::{NodeSigner, Recipient};
 
 use crate::prelude::*;
+#[cfg(feature = "std")]
+use core::convert::TryFrom;
 use core::fmt;
 use core::fmt::Debug;
-use crate::io::{self, Read};
+use core::ops::Deref;
+#[cfg(feature = "std")]
+use core::str::FromStr;
+#[cfg(feature = "std")]
+use std::net::SocketAddr;
+use core::fmt::Display;
+use crate::io::{self, Cursor, Read};
 use crate::io_extras::read_to_end;
 
-use crate::events::{MessageSendEventsProvider, OnionMessageProvider};
+use crate::events::{EventsProvider, MessageSendEventsProvider};
+use crate::crypto::streams::ChaChaPolyReadAdapter;
 use crate::util::logger;
-use crate::util::ser::{LengthReadable, Readable, ReadableArgs, Writeable, Writer, WithoutLength, FixedLengthReader, HighZeroBytesDroppedBigSize, Hostname, TransactionU16LenLimited, BigSize};
+use crate::util::ser::{LengthReadable, LengthReadableArgs, Readable, ReadableArgs, Writeable, Writer, WithoutLength, FixedLengthReader, HighZeroBytesDroppedBigSize, Hostname, TransactionU16LenLimited, BigSize};
+use crate::util::base32;
 
 use crate::routing::gossip::{NodeAlias, NodeId};
 
@@ -53,11 +65,11 @@ pub(crate) const MAX_VALUE_MSAT: u64 = 21_000_000_0000_0000_000;
 
 #[cfg(taproot)]
 /// A partial signature that also contains the Musig2 nonce its signer used
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct PartialSignatureWithNonce(pub musig2::types::PartialSignature, pub musig2::types::PublicNonce);
 
 /// An error in decoding a message or struct.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub enum DecodeError {
 	/// A version byte specified something we don't know how to handle.
 	///
@@ -84,7 +96,7 @@ pub enum DecodeError {
 /// An [`init`] message to be sent to or received from a peer.
 ///
 /// [`init`]: https://github.com/lightning/bolts/blob/master/01-messaging.md#the-init-message
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct Init {
 	/// The relevant features which the sender supports.
 	pub features: InitFeatures,
@@ -98,13 +110,13 @@ pub struct Init {
 	/// message. A node can decide to use that information to discover a potential update to its
 	/// public IPv4 address (NAT) and use that for a [`NodeAnnouncement`] update message containing
 	/// the new address.
-	pub remote_network_address: Option<NetAddress>,
+	pub remote_network_address: Option<SocketAddress>,
 }
 
 /// An [`error`] message to be sent to or received from a peer.
 ///
 /// [`error`]: https://github.com/lightning/bolts/blob/master/01-messaging.md#the-error-and-warning-messages
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct ErrorMessage {
 	/// The channel ID involved in the error.
 	///
@@ -122,7 +134,7 @@ pub struct ErrorMessage {
 /// A [`warning`] message to be sent to or received from a peer.
 ///
 /// [`warning`]: https://github.com/lightning/bolts/blob/master/01-messaging.md#the-error-and-warning-messages
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct WarningMessage {
 	/// The channel ID involved in the warning.
 	///
@@ -139,7 +151,7 @@ pub struct WarningMessage {
 /// A [`ping`] message to be sent to or received from a peer.
 ///
 /// [`ping`]: https://github.com/lightning/bolts/blob/master/01-messaging.md#the-ping-and-pong-messages
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct Ping {
 	/// The desired response length.
 	pub ponglen: u16,
@@ -152,7 +164,7 @@ pub struct Ping {
 /// A [`pong`] message to be sent to or received from a peer.
 ///
 /// [`pong`]: https://github.com/lightning/bolts/blob/master/01-messaging.md#the-ping-and-pong-messages
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct Pong {
 	/// The pong packet size.
 	///
@@ -160,76 +172,20 @@ pub struct Pong {
 	pub byteslen: u16,
 }
 
-/// An [`open_channel`] message to be sent to or received from a peer.
-///
-/// Used in V1 channel establishment
+/// Contains fields that are both common to [`open_channel`] and `open_channel2` messages.
 ///
 /// [`open_channel`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#the-open_channel-message
-#[derive(Clone, Debug, PartialEq, Eq)]
-pub struct OpenChannel {
-	/// The genesis hash of the blockchain where the channel is to be opened
-	pub chain_hash: BlockHash,
-	/// A temporary channel ID, until the funding outpoint is announced
-	pub temporary_channel_id: ChannelId,
-	/// The channel value
-	pub funding_satoshis: u64,
-	/// The amount to push to the counterparty as part of the open, in milli-satoshi
-	pub push_msat: u64,
-	/// The threshold below which outputs on transactions broadcast by sender will be omitted
-	pub dust_limit_satoshis: u64,
-	/// The maximum inbound HTLC value in flight towards sender, in milli-satoshi
-	pub max_htlc_value_in_flight_msat: u64,
-	/// The minimum value unencumbered by HTLCs for the counterparty to keep in the channel
-	pub channel_reserve_satoshis: u64,
-	/// The minimum HTLC size incoming to sender, in milli-satoshi
-	pub htlc_minimum_msat: u64,
-	/// The feerate per 1000-weight of sender generated transactions, until updated by
-	/// [`UpdateFee`]
-	pub feerate_per_kw: u32,
-	/// The number of blocks which the counterparty will have to wait to claim on-chain funds if
-	/// they broadcast a commitment transaction
-	pub to_self_delay: u16,
-	/// The maximum number of inbound HTLCs towards sender
-	pub max_accepted_htlcs: u16,
-	/// The sender's key controlling the funding transaction
-	pub funding_pubkey: PublicKey,
-	/// Used to derive a revocation key for transactions broadcast by counterparty
-	pub revocation_basepoint: PublicKey,
-	/// A payment key to sender for transactions broadcast by counterparty
-	pub payment_point: PublicKey,
-	/// Used to derive a payment key to sender for transactions broadcast by sender
-	pub delayed_payment_basepoint: PublicKey,
-	/// Used to derive an HTLC payment key to sender
-	pub htlc_basepoint: PublicKey,
-	/// The first to-be-broadcast-by-sender transaction's per commitment point
-	pub first_per_commitment_point: PublicKey,
-	/// The channel flags to be used
-	pub channel_flags: u8,
-	/// A request to pre-set the to-sender output's `scriptPubkey` for when we collaboratively close
-	pub shutdown_scriptpubkey: Option<Script>,
-	/// The channel type that this channel will represent
-	///
-	/// If this is `None`, we derive the channel type from the intersection of our
-	/// feature bits with our counterparty's feature bits from the [`Init`] message.
-	pub channel_type: Option<ChannelTypeFeatures>,
-}
-
-/// An open_channel2 message to be sent by or received from the channel initiator.
-///
-/// Used in V2 channel establishment
-///
 // TODO(dual_funding): Add spec link for `open_channel2`.
-#[derive(Clone, Debug, PartialEq, Eq)]
-pub struct OpenChannelV2 {
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub struct CommonOpenChannelFields {
 	/// The genesis hash of the blockchain where the channel is to be opened
-	pub chain_hash: BlockHash,
-	/// A temporary channel ID derived using a zeroed out value for the channel acceptor's revocation basepoint
+	pub chain_hash: ChainHash,
+	/// A temporary channel ID
+	/// For V2 channels: derived using a zeroed out value for the channel acceptor's revocation basepoint
+	/// For V1 channels: a temporary channel ID, until the funding outpoint is announced
 	pub temporary_channel_id: ChannelId,
-	/// The feerate for the funding transaction set by the channel initiator
-	pub funding_feerate_sat_per_1000_weight: u32,
-	/// The feerate for the commitment transaction set by the channel initiator
-	pub commitment_feerate_sat_per_1000_weight: u32,
-	/// Part of the channel value contributed by the channel initiator
+	/// For V1 channels: The channel value
+	/// For V2 channels: Part of the channel value contributed by the channel initiator
 	pub funding_satoshis: u64,
 	/// The threshold below which outputs on transactions broadcast by the channel initiator will be
 	/// omitted
@@ -238,13 +194,14 @@ pub struct OpenChannelV2 {
 	pub max_htlc_value_in_flight_msat: u64,
 	/// The minimum HTLC size incoming to channel initiator, in milli-satoshi
 	pub htlc_minimum_msat: u64,
+	/// The feerate for the commitment transaction set by the channel initiator until updated by
+	/// [`UpdateFee`]
+	pub commitment_feerate_sat_per_1000_weight: u32,
 	/// The number of blocks which the counterparty will have to wait to claim on-chain funds if they
 	/// broadcast a commitment transaction
 	pub to_self_delay: u16,
 	/// The maximum number of inbound HTLCs towards channel initiator
 	pub max_accepted_htlcs: u16,
-	/// The locktime for the funding transaction
-	pub locktime: u32,
 	/// The channel initiator's key controlling the funding transaction
 	pub funding_pubkey: PublicKey,
 	/// Used to derive a revocation key for transactions broadcast by counterparty
@@ -258,84 +215,64 @@ pub struct OpenChannelV2 {
 	pub htlc_basepoint: PublicKey,
 	/// The first to-be-broadcast-by-channel-initiator transaction's per commitment point
 	pub first_per_commitment_point: PublicKey,
-	/// The second to-be-broadcast-by-channel-initiator transaction's per commitment point
-	pub second_per_commitment_point: PublicKey,
-	/// Channel flags
+	/// The channel flags to be used
 	pub channel_flags: u8,
 	/// Optionally, a request to pre-set the to-channel-initiator output's scriptPubkey for when we
 	/// collaboratively close
-	pub shutdown_scriptpubkey: Option<Script>,
-	/// The channel type that this channel will represent. If none is set, we derive the channel
-	/// type from the intersection of our feature bits with our counterparty's feature bits from
-	/// the Init message.
+	pub shutdown_scriptpubkey: Option<ScriptBuf>,
+	/// The channel type that this channel will represent
+	///
+	/// If this is `None`, we derive the channel type from the intersection of our
+	/// feature bits with our counterparty's feature bits from the [`Init`] message.
 	pub channel_type: Option<ChannelTypeFeatures>,
-	/// Optionally, a requirement that only confirmed inputs can be added
-	pub require_confirmed_inputs: Option<()>,
 }
 
-/// An [`accept_channel`] message to be sent to or received from a peer.
+/// An [`open_channel`] message to be sent to or received from a peer.
 ///
 /// Used in V1 channel establishment
 ///
-/// [`accept_channel`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#the-accept_channel-message
-#[derive(Clone, Debug, PartialEq, Eq)]
-pub struct AcceptChannel {
-	/// A temporary channel ID, until the funding outpoint is announced
-	pub temporary_channel_id: ChannelId,
-	/// The threshold below which outputs on transactions broadcast by sender will be omitted
-	pub dust_limit_satoshis: u64,
-	/// The maximum inbound HTLC value in flight towards sender, in milli-satoshi
-	pub max_htlc_value_in_flight_msat: u64,
+/// [`open_channel`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#the-open_channel-message
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub struct OpenChannel {
+	/// Common fields of `open_channel(2)`-like messages
+	pub common_fields: CommonOpenChannelFields,
+	/// The amount to push to the counterparty as part of the open, in milli-satoshi
+	pub push_msat: u64,
 	/// The minimum value unencumbered by HTLCs for the counterparty to keep in the channel
 	pub channel_reserve_satoshis: u64,
-	/// The minimum HTLC size incoming to sender, in milli-satoshi
-	pub htlc_minimum_msat: u64,
-	/// Minimum depth of the funding transaction before the channel is considered open
-	pub minimum_depth: u32,
-	/// The number of blocks which the counterparty will have to wait to claim on-chain funds if they broadcast a commitment transaction
-	pub to_self_delay: u16,
-	/// The maximum number of inbound HTLCs towards sender
-	pub max_accepted_htlcs: u16,
-	/// The sender's key controlling the funding transaction
-	pub funding_pubkey: PublicKey,
-	/// Used to derive a revocation key for transactions broadcast by counterparty
-	pub revocation_basepoint: PublicKey,
-	/// A payment key to sender for transactions broadcast by counterparty
-	pub payment_point: PublicKey,
-	/// Used to derive a payment key to sender for transactions broadcast by sender
-	pub delayed_payment_basepoint: PublicKey,
-	/// Used to derive an HTLC payment key to sender for transactions broadcast by counterparty
-	pub htlc_basepoint: PublicKey,
-	/// The first to-be-broadcast-by-sender transaction's per commitment point
-	pub first_per_commitment_point: PublicKey,
-	/// A request to pre-set the to-sender output's scriptPubkey for when we collaboratively close
-	pub shutdown_scriptpubkey: Option<Script>,
-	/// The channel type that this channel will represent.
-	///
-	/// If this is `None`, we derive the channel type from the intersection of
-	/// our feature bits with our counterparty's feature bits from the [`Init`] message.
-	/// This is required to match the equivalent field in [`OpenChannel::channel_type`].
-	pub channel_type: Option<ChannelTypeFeatures>,
-	#[cfg(taproot)]
-	/// Next nonce the channel initiator should use to create a funding output signature against
-	pub next_local_nonce: Option<musig2::types::PublicNonce>,
 }
 
-/// An accept_channel2 message to be sent by or received from the channel accepter.
+/// An open_channel2 message to be sent by or received from the channel initiator.
 ///
 /// Used in V2 channel establishment
 ///
+// TODO(dual_funding): Add spec link for `open_channel2`.
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub struct OpenChannelV2 {
+	/// Common fields of `open_channel(2)`-like messages
+	pub common_fields: CommonOpenChannelFields,
+	/// The feerate for the funding transaction set by the channel initiator
+	pub funding_feerate_sat_per_1000_weight: u32,
+	/// The locktime for the funding transaction
+	pub locktime: u32,
+	/// The second to-be-broadcast-by-channel-initiator transaction's per commitment point
+	pub second_per_commitment_point: PublicKey,
+	/// Optionally, a requirement that only confirmed inputs can be added
+	pub require_confirmed_inputs: Option<()>,
+}
+
+/// Contains fields that are both common to [`accept_channel`] and `accept_channel2` messages.
+///
+/// [`accept_channel`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#the-accept_channel-message
 // TODO(dual_funding): Add spec link for `accept_channel2`.
-#[derive(Clone, Debug, PartialEq, Eq)]
-pub struct AcceptChannelV2 {
-	/// The same `temporary_channel_id` received from the initiator's `open_channel2` message.
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub struct CommonAcceptChannelFields {
+	/// The same `temporary_channel_id` received from the initiator's `open_channel2` or `open_channel` message.
 	pub temporary_channel_id: ChannelId,
-	/// Part of the channel value contributed by the channel acceptor
-	pub funding_satoshis: u64,
 	/// The threshold below which outputs on transactions broadcast by the channel acceptor will be
 	/// omitted
 	pub dust_limit_satoshis: u64,
-	/// The maximum inbound HTLC value in flight towards channel acceptor, in milli-satoshi
+	/// The maximum inbound HTLC value in flight towards sender, in milli-satoshi
 	pub max_htlc_value_in_flight_msat: u64,
 	/// The minimum HTLC size incoming to channel acceptor, in milli-satoshi
 	pub htlc_minimum_msat: u64,
@@ -359,17 +296,47 @@ pub struct AcceptChannelV2 {
 	pub htlc_basepoint: PublicKey,
 	/// The first to-be-broadcast-by-channel-acceptor transaction's per commitment point
 	pub first_per_commitment_point: PublicKey,
-	/// The second to-be-broadcast-by-channel-acceptor transaction's per commitment point
-	pub second_per_commitment_point: PublicKey,
 	/// Optionally, a request to pre-set the to-channel-acceptor output's scriptPubkey for when we
 	/// collaboratively close
-	pub shutdown_scriptpubkey: Option<Script>,
+	pub shutdown_scriptpubkey: Option<ScriptBuf>,
 	/// The channel type that this channel will represent. If none is set, we derive the channel
 	/// type from the intersection of our feature bits with our counterparty's feature bits from
 	/// the Init message.
 	///
-	/// This is required to match the equivalent field in [`OpenChannelV2::channel_type`].
+	/// This is required to match the equivalent field in [`OpenChannel`] or [`OpenChannelV2`]'s
+	/// [`CommonOpenChannelFields::channel_type`].
 	pub channel_type: Option<ChannelTypeFeatures>,
+}
+
+/// An [`accept_channel`] message to be sent to or received from a peer.
+///
+/// Used in V1 channel establishment
+///
+/// [`accept_channel`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#the-accept_channel-message
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub struct AcceptChannel {
+	/// Common fields of `accept_channel(2)`-like messages
+	pub common_fields: CommonAcceptChannelFields,
+	/// The minimum value unencumbered by HTLCs for the counterparty to keep in the channel
+	pub channel_reserve_satoshis: u64,
+	#[cfg(taproot)]
+	/// Next nonce the channel initiator should use to create a funding output signature against
+	pub next_local_nonce: Option<musig2::types::PublicNonce>,
+}
+
+/// An accept_channel2 message to be sent by or received from the channel accepter.
+///
+/// Used in V2 channel establishment
+///
+// TODO(dual_funding): Add spec link for `accept_channel2`.
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub struct AcceptChannelV2 {
+	/// Common fields of `accept_channel(2)`-like messages
+	pub common_fields: CommonAcceptChannelFields,
+	/// Part of the channel value contributed by the channel acceptor
+	pub funding_satoshis: u64,
+	/// The second to-be-broadcast-by-channel-acceptor transaction's per commitment point
+	pub second_per_commitment_point: PublicKey,
 	/// Optionally, a requirement that only confirmed inputs can be added
 	pub require_confirmed_inputs: Option<()>,
 }
@@ -379,7 +346,7 @@ pub struct AcceptChannelV2 {
 /// Used in V1 channel establishment
 ///
 /// [`funding_created`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#the-funding_created-message
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct FundingCreated {
 	/// A temporary channel ID, until the funding is established
 	pub temporary_channel_id: ChannelId,
@@ -402,7 +369,7 @@ pub struct FundingCreated {
 /// Used in V1 channel establishment
 ///
 /// [`funding_signed`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#the-funding_signed-message
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct FundingSigned {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -416,7 +383,7 @@ pub struct FundingSigned {
 /// A [`channel_ready`] message to be sent to or received from a peer.
 ///
 /// [`channel_ready`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#the-channel_ready-message
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct ChannelReady {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -429,16 +396,74 @@ pub struct ChannelReady {
 	pub short_channel_id_alias: Option<u64>,
 }
 
+/// A randomly chosen number that is used to identify inputs within an interactive transaction
+/// construction.
+pub type SerialId = u64;
+
+/// An stfu (quiescence) message to be sent by or received from the stfu initiator.
+// TODO(splicing): Add spec link for `stfu`; still in draft, using from https://github.com/lightning/bolts/pull/863
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct Stfu {
+	/// The channel ID where quiescence is intended
+	pub channel_id: ChannelId,
+	/// Initiator flag, 1 if initiating, 0 if replying to an stfu.
+	pub initiator: u8,
+}
+
+/// A splice message to be sent by or received from the stfu initiator (splice initiator).
+// TODO(splicing): Add spec link for `splice`; still in draft, using from https://github.com/lightning/bolts/pull/863
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct Splice {
+	/// The channel ID where splicing is intended
+	pub channel_id: ChannelId,
+	/// The genesis hash of the blockchain where the channel is intended to be spliced
+	pub chain_hash: ChainHash,
+	/// The intended change in channel capacity: the amount to be added (positive value)
+	/// or removed (negative value) by the sender (splice initiator) by splicing into/from the channel.
+	pub relative_satoshis: i64,
+	/// The feerate for the new funding transaction, set by the splice initiator
+	pub funding_feerate_perkw: u32,
+	/// The locktime for the new funding transaction
+	pub locktime: u32,
+	/// The key of the sender (splice initiator) controlling the new funding transaction
+	pub funding_pubkey: PublicKey,
+}
+
+/// A splice_ack message to be received by or sent to the splice initiator.
+///
+// TODO(splicing): Add spec link for `splice_ack`; still in draft, using from https://github.com/lightning/bolts/pull/863
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct SpliceAck {
+	/// The channel ID where splicing is intended
+	pub channel_id: ChannelId,
+	/// The genesis hash of the blockchain where the channel is intended to be spliced
+	pub chain_hash: ChainHash,
+	/// The intended change in channel capacity: the amount to be added (positive value)
+	/// or removed (negative value) by the sender (splice acceptor) by splicing into/from the channel.
+	pub relative_satoshis: i64,
+	/// The key of the sender (splice acceptor) controlling the new funding transaction
+	pub funding_pubkey: PublicKey,
+}
+
+/// A splice_locked message to be sent to or received from a peer.
+///
+// TODO(splicing): Add spec link for `splice_locked`; still in draft, using from https://github.com/lightning/bolts/pull/863
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct SpliceLocked {
+	/// The channel ID
+	pub channel_id: ChannelId,
+}
+
 /// A tx_add_input message for adding an input during interactive transaction construction
 ///
 // TODO(dual_funding): Add spec link for `tx_add_input`.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct TxAddInput {
 	/// The channel ID
 	pub channel_id: ChannelId,
 	/// A randomly chosen unique identifier for this input, which is even for initiators and odd for
 	/// non-initiators.
-	pub serial_id: u64,
+	pub serial_id: SerialId,
 	/// Serialized transaction that contains the output this input spends to verify that it is non
 	/// malleable.
 	pub prevtx: TransactionU16LenLimited,
@@ -451,46 +476,46 @@ pub struct TxAddInput {
 /// A tx_add_output message for adding an output during interactive transaction construction.
 ///
 // TODO(dual_funding): Add spec link for `tx_add_output`.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct TxAddOutput {
 	/// The channel ID
 	pub channel_id: ChannelId,
 	/// A randomly chosen unique identifier for this output, which is even for initiators and odd for
 	/// non-initiators.
-	pub serial_id: u64,
+	pub serial_id: SerialId,
 	/// The satoshi value of the output
 	pub sats: u64,
 	/// The scriptPubKey for the output
-	pub script: Script,
+	pub script: ScriptBuf,
 }
 
 /// A tx_remove_input message for removing an input during interactive transaction construction.
 ///
 // TODO(dual_funding): Add spec link for `tx_remove_input`.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct TxRemoveInput {
 	/// The channel ID
 	pub channel_id: ChannelId,
 	/// The serial ID of the input to be removed
-	pub serial_id: u64,
+	pub serial_id: SerialId,
 }
 
 /// A tx_remove_output message for removing an output during interactive transaction construction.
 ///
 // TODO(dual_funding): Add spec link for `tx_remove_output`.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct TxRemoveOutput {
 	/// The channel ID
 	pub channel_id: ChannelId,
 	/// The serial ID of the output to be removed
-	pub serial_id: u64,
+	pub serial_id: SerialId,
 }
 
 /// A tx_complete message signalling the conclusion of a peer's transaction contributions during
 /// interactive transaction construction.
 ///
 // TODO(dual_funding): Add spec link for `tx_complete`.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct TxComplete {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -500,7 +525,7 @@ pub struct TxComplete {
 /// interactive transaction construction.
 ///
 // TODO(dual_funding): Add spec link for `tx_signatures`.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct TxSignatures {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -514,7 +539,7 @@ pub struct TxSignatures {
 /// completed.
 ///
 // TODO(dual_funding): Add spec link for `tx_init_rbf`.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct TxInitRbf {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -531,7 +556,7 @@ pub struct TxInitRbf {
 /// completed.
 ///
 // TODO(dual_funding): Add spec link for `tx_ack_rbf`.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct TxAckRbf {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -543,7 +568,7 @@ pub struct TxAckRbf {
 /// A tx_abort message which signals the cancellation of an in-progress transaction negotiation.
 ///
 // TODO(dual_funding): Add spec link for `tx_abort`.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct TxAbort {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -554,21 +579,21 @@ pub struct TxAbort {
 /// A [`shutdown`] message to be sent to or received from a peer.
 ///
 /// [`shutdown`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#closing-initiation-shutdown
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct Shutdown {
 	/// The channel ID
 	pub channel_id: ChannelId,
 	/// The destination of this peer's funds on closing.
 	///
 	/// Must be in one of these forms: P2PKH, P2SH, P2WPKH, P2WSH, P2TR.
-	pub scriptpubkey: Script,
+	pub scriptpubkey: ScriptBuf,
 }
 
 /// The minimum and maximum fees which the sender is willing to place on the closing transaction.
 ///
 /// This is provided in [`ClosingSigned`] by both sides to indicate the fee range they are willing
 /// to use.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct ClosingSignedFeeRange {
 	/// The minimum absolute fee, in satoshis, which the sender is willing to place on the closing
 	/// transaction.
@@ -581,7 +606,7 @@ pub struct ClosingSignedFeeRange {
 /// A [`closing_signed`] message to be sent to or received from a peer.
 ///
 /// [`closing_signed`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#closing-negotiation-closing_signed
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct ClosingSigned {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -597,7 +622,7 @@ pub struct ClosingSigned {
 /// An [`update_add_htlc`] message to be sent to or received from a peer.
 ///
 /// [`update_add_htlc`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#adding-an-htlc-update_add_htlc
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct UpdateAddHTLC {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -614,23 +639,28 @@ pub struct UpdateAddHTLC {
 	///
 	/// [`ChannelConfig::accept_underpaying_htlcs`]: crate::util::config::ChannelConfig::accept_underpaying_htlcs
 	pub skimmed_fee_msat: Option<u64>,
-	pub(crate) onion_routing_packet: OnionPacket,
+	/// The onion routing packet with encrypted data for the next hop.
+	pub onion_routing_packet: OnionPacket,
+	/// Provided if we are relaying or receiving a payment within a blinded path, to decrypt the onion
+	/// routing packet and the recipient-provided encrypted payload within.
+	pub blinding_point: Option<PublicKey>,
 }
 
  /// An onion message to be sent to or received from a peer.
  ///
  // TODO: update with link to OM when they are merged into the BOLTs
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct OnionMessage {
 	/// Used in decrypting the onion packet's payload.
 	pub blinding_point: PublicKey,
-	pub(crate) onion_routing_packet: onion_message::Packet,
+	/// The full onion packet including hop data, pubkey, and hmac
+	pub onion_routing_packet: onion_message::packet::Packet,
 }
 
 /// An [`update_fulfill_htlc`] message to be sent to or received from a peer.
 ///
 /// [`update_fulfill_htlc`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#removing-an-htlc-update_fulfill_htlc-update_fail_htlc-and-update_fail_malformed_htlc
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct UpdateFulfillHTLC {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -643,7 +673,7 @@ pub struct UpdateFulfillHTLC {
 /// An [`update_fail_htlc`] message to be sent to or received from a peer.
 ///
 /// [`update_fail_htlc`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#removing-an-htlc-update_fulfill_htlc-update_fail_htlc-and-update_fail_malformed_htlc
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct UpdateFailHTLC {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -655,7 +685,7 @@ pub struct UpdateFailHTLC {
 /// An [`update_fail_malformed_htlc`] message to be sent to or received from a peer.
 ///
 /// [`update_fail_malformed_htlc`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#removing-an-htlc-update_fulfill_htlc-update_fail_htlc-and-update_fail_malformed_htlc
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct UpdateFailMalformedHTLC {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -669,7 +699,7 @@ pub struct UpdateFailMalformedHTLC {
 /// A [`commitment_signed`] message to be sent to or received from a peer.
 ///
 /// [`commitment_signed`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#committing-updates-so-far-commitment_signed
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct CommitmentSigned {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -685,7 +715,7 @@ pub struct CommitmentSigned {
 /// A [`revoke_and_ack`] message to be sent to or received from a peer.
 ///
 /// [`revoke_and_ack`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#completing-the-transition-to-the-updated-state-revoke_and_ack
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct RevokeAndACK {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -701,7 +731,7 @@ pub struct RevokeAndACK {
 /// An [`update_fee`] message to be sent to or received from a peer
 ///
 /// [`update_fee`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#updating-fees-update_fee
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct UpdateFee {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -712,7 +742,7 @@ pub struct UpdateFee {
 /// A [`channel_reestablish`] message to be sent to or received from a peer.
 ///
 /// [`channel_reestablish`]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#message-retransmission
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct ChannelReestablish {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -732,7 +762,7 @@ pub struct ChannelReestablish {
 /// An [`announcement_signatures`] message to be sent to or received from a peer.
 ///
 /// [`announcement_signatures`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-announcement_signatures-message
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct AnnouncementSignatures {
 	/// The channel ID
 	pub channel_id: ChannelId,
@@ -745,17 +775,17 @@ pub struct AnnouncementSignatures {
 }
 
 /// An address which can be used to connect to a remote peer.
-#[derive(Clone, Debug, PartialEq, Eq)]
-pub enum NetAddress {
-	/// An IPv4 address/port on which the peer is listening.
-	IPv4 {
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub enum SocketAddress {
+	/// An IPv4 address and port on which the peer is listening.
+	TcpIpV4 {
 		/// The 4-byte IPv4 address
 		addr: [u8; 4],
 		/// The port on which the node is listening
 		port: u16,
 	},
-	/// An IPv6 address/port on which the peer is listening.
-	IPv6 {
+	/// An IPv6 address and port on which the peer is listening.
+	TcpIpV6 {
 		/// The 16-byte IPv6 address
 		addr: [u8; 16],
 		/// The port on which the node is listening
@@ -788,28 +818,28 @@ pub enum NetAddress {
 		port: u16,
 	},
 }
-impl NetAddress {
+impl SocketAddress {
 	/// Gets the ID of this address type. Addresses in [`NodeAnnouncement`] messages should be sorted
 	/// by this.
 	pub(crate) fn get_id(&self) -> u8 {
 		match self {
-			&NetAddress::IPv4 {..} => { 1 },
-			&NetAddress::IPv6 {..} => { 2 },
-			&NetAddress::OnionV2(_) => { 3 },
-			&NetAddress::OnionV3 {..} => { 4 },
-			&NetAddress::Hostname {..} => { 5 },
+			&SocketAddress::TcpIpV4 {..} => { 1 },
+			&SocketAddress::TcpIpV6 {..} => { 2 },
+			&SocketAddress::OnionV2(_) => { 3 },
+			&SocketAddress::OnionV3 {..} => { 4 },
+			&SocketAddress::Hostname {..} => { 5 },
 		}
 	}
 
 	/// Strict byte-length of address descriptor, 1-byte type not recorded
 	fn len(&self) -> u16 {
 		match self {
-			&NetAddress::IPv4 { .. } => { 6 },
-			&NetAddress::IPv6 { .. } => { 18 },
-			&NetAddress::OnionV2(_) => { 12 },
-			&NetAddress::OnionV3 { .. } => { 37 },
+			&SocketAddress::TcpIpV4 { .. } => { 6 },
+			&SocketAddress::TcpIpV6 { .. } => { 18 },
+			&SocketAddress::OnionV2(_) => { 12 },
+			&SocketAddress::OnionV3 { .. } => { 37 },
 			// Consists of 1-byte hostname length, hostname bytes, and 2-byte port.
-			&NetAddress::Hostname { ref hostname, .. } => { u16::from(hostname.len()) + 3 },
+			&SocketAddress::Hostname { ref hostname, .. } => { u16::from(hostname.len()) + 3 },
 		}
 	}
 
@@ -817,33 +847,43 @@ impl NetAddress {
 	/// This maximum length is reached by a hostname address descriptor:
 	/// a hostname with a maximum length of 255, its 1-byte length and a 2-byte port.
 	pub(crate) const MAX_LEN: u16 = 258;
+
+	pub(crate) fn is_tor(&self) -> bool {
+		match self {
+			&SocketAddress::TcpIpV4 {..} => false,
+			&SocketAddress::TcpIpV6 {..} => false,
+			&SocketAddress::OnionV2(_) => true,
+			&SocketAddress::OnionV3 {..} => true,
+			&SocketAddress::Hostname {..} => false,
+		}
+	}
 }
 
-impl Writeable for NetAddress {
+impl Writeable for SocketAddress {
 	fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
 		match self {
-			&NetAddress::IPv4 { ref addr, ref port } => {
+			&SocketAddress::TcpIpV4 { ref addr, ref port } => {
 				1u8.write(writer)?;
 				addr.write(writer)?;
 				port.write(writer)?;
 			},
-			&NetAddress::IPv6 { ref addr, ref port } => {
+			&SocketAddress::TcpIpV6 { ref addr, ref port } => {
 				2u8.write(writer)?;
 				addr.write(writer)?;
 				port.write(writer)?;
 			},
-			&NetAddress::OnionV2(bytes) => {
+			&SocketAddress::OnionV2(bytes) => {
 				3u8.write(writer)?;
 				bytes.write(writer)?;
 			},
-			&NetAddress::OnionV3 { ref ed25519_pubkey, ref checksum, ref version, ref port } => {
+			&SocketAddress::OnionV3 { ref ed25519_pubkey, ref checksum, ref version, ref port } => {
 				4u8.write(writer)?;
 				ed25519_pubkey.write(writer)?;
 				checksum.write(writer)?;
 				version.write(writer)?;
 				port.write(writer)?;
 			},
-			&NetAddress::Hostname { ref hostname, ref port } => {
+			&SocketAddress::Hostname { ref hostname, ref port } => {
 				5u8.write(writer)?;
 				hostname.write(writer)?;
 				port.write(writer)?;
@@ -853,25 +893,25 @@ impl Writeable for NetAddress {
 	}
 }
 
-impl Readable for Result<NetAddress, u8> {
-	fn read<R: Read>(reader: &mut R) -> Result<Result<NetAddress, u8>, DecodeError> {
+impl Readable for Result<SocketAddress, u8> {
+	fn read<R: Read>(reader: &mut R) -> Result<Result<SocketAddress, u8>, DecodeError> {
 		let byte = <u8 as Readable>::read(reader)?;
 		match byte {
 			1 => {
-				Ok(Ok(NetAddress::IPv4 {
+				Ok(Ok(SocketAddress::TcpIpV4 {
 					addr: Readable::read(reader)?,
 					port: Readable::read(reader)?,
 				}))
 			},
 			2 => {
-				Ok(Ok(NetAddress::IPv6 {
+				Ok(Ok(SocketAddress::TcpIpV6 {
 					addr: Readable::read(reader)?,
 					port: Readable::read(reader)?,
 				}))
 			},
-			3 => Ok(Ok(NetAddress::OnionV2(Readable::read(reader)?))),
+			3 => Ok(Ok(SocketAddress::OnionV2(Readable::read(reader)?))),
 			4 => {
-				Ok(Ok(NetAddress::OnionV3 {
+				Ok(Ok(SocketAddress::OnionV3 {
 					ed25519_pubkey: Readable::read(reader)?,
 					checksum: Readable::read(reader)?,
 					version: Readable::read(reader)?,
@@ -879,7 +919,7 @@ impl Readable for Result<NetAddress, u8> {
 				}))
 			},
 			5 => {
-				Ok(Ok(NetAddress::Hostname {
+				Ok(Ok(SocketAddress::Hostname {
 					hostname: Readable::read(reader)?,
 					port: Readable::read(reader)?,
 				}))
@@ -889,8 +929,8 @@ impl Readable for Result<NetAddress, u8> {
 	}
 }
 
-impl Readable for NetAddress {
-	fn read<R: Read>(reader: &mut R) -> Result<NetAddress, DecodeError> {
+impl Readable for SocketAddress {
+	fn read<R: Read>(reader: &mut R) -> Result<SocketAddress, DecodeError> {
 		match Readable::read(reader) {
 			Ok(Ok(res)) => Ok(res),
 			Ok(Err(_)) => Err(DecodeError::UnknownVersion),
@@ -899,6 +939,167 @@ impl Readable for NetAddress {
 	}
 }
 
+/// [`SocketAddress`] error variants
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub enum SocketAddressParseError {
+	/// Socket address (IPv4/IPv6) parsing error
+	SocketAddrParse,
+	/// Invalid input format
+	InvalidInput,
+	/// Invalid port
+	InvalidPort,
+	/// Invalid onion v3 address
+	InvalidOnionV3,
+}
+
+impl fmt::Display for SocketAddressParseError {
+	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+		match self {
+			SocketAddressParseError::SocketAddrParse => write!(f, "Socket address (IPv4/IPv6) parsing error"),
+			SocketAddressParseError::InvalidInput => write!(f, "Invalid input format. \
+				Expected: \"<ipv4>:<port>\", \"[<ipv6>]:<port>\", \"<onion address>.onion:<port>\" or \"<hostname>:<port>\""),
+			SocketAddressParseError::InvalidPort => write!(f, "Invalid port"),
+			SocketAddressParseError::InvalidOnionV3 => write!(f, "Invalid onion v3 address"),
+		}
+	}
+}
+
+#[cfg(feature = "std")]
+impl From<std::net::SocketAddrV4> for SocketAddress {
+		fn from(addr: std::net::SocketAddrV4) -> Self {
+			SocketAddress::TcpIpV4 { addr: addr.ip().octets(), port: addr.port() }
+		}
+}
+
+#[cfg(feature = "std")]
+impl From<std::net::SocketAddrV6> for SocketAddress {
+		fn from(addr: std::net::SocketAddrV6) -> Self {
+			SocketAddress::TcpIpV6 { addr: addr.ip().octets(), port: addr.port() }
+		}
+}
+
+#[cfg(feature = "std")]
+impl From<std::net::SocketAddr> for SocketAddress {
+		fn from(addr: std::net::SocketAddr) -> Self {
+			match addr {
+				std::net::SocketAddr::V4(addr) => addr.into(),
+				std::net::SocketAddr::V6(addr) => addr.into(),
+			}
+		}
+}
+
+#[cfg(feature = "std")]
+impl std::net::ToSocketAddrs for SocketAddress {
+	type Iter = std::vec::IntoIter<std::net::SocketAddr>;
+
+	fn to_socket_addrs(&self) -> std::io::Result<Self::Iter> {
+		match self {
+			SocketAddress::TcpIpV4 { addr, port } => {
+				let ip_addr = std::net::Ipv4Addr::from(*addr);
+				let socket_addr = SocketAddr::new(ip_addr.into(), *port);
+				Ok(vec![socket_addr].into_iter())
+			}
+			SocketAddress::TcpIpV6 { addr, port } => {
+				let ip_addr = std::net::Ipv6Addr::from(*addr);
+				let socket_addr = SocketAddr::new(ip_addr.into(), *port);
+				Ok(vec![socket_addr].into_iter())
+			}
+			SocketAddress::Hostname { ref hostname, port } => {
+				(hostname.as_str(), *port).to_socket_addrs()
+			}
+			SocketAddress::OnionV2(..) => {
+				Err(std::io::Error::new(std::io::ErrorKind::Other, "Resolution of OnionV2 \
+				addresses is currently unsupported."))
+			}
+			SocketAddress::OnionV3 { .. } => {
+				Err(std::io::Error::new(std::io::ErrorKind::Other, "Resolution of OnionV3 \
+				addresses is currently unsupported."))
+			}
+		}
+	}
+}
+
+/// Parses an OnionV3 host and port into a [`SocketAddress::OnionV3`].
+///
+/// The host part must end with ".onion".
+pub fn parse_onion_address(host: &str, port: u16) -> Result<SocketAddress, SocketAddressParseError> {
+	if host.ends_with(".onion") {
+		let domain = &host[..host.len() - ".onion".len()];
+		if domain.len() != 56 {
+			return Err(SocketAddressParseError::InvalidOnionV3);
+		}
+		let onion =  base32::Alphabet::RFC4648 { padding: false }.decode(&domain).map_err(|_| SocketAddressParseError::InvalidOnionV3)?;
+		if onion.len() != 35 {
+			return Err(SocketAddressParseError::InvalidOnionV3);
+		}
+		let version = onion[0];
+		let first_checksum_flag = onion[1];
+		let second_checksum_flag = onion[2];
+		let mut ed25519_pubkey = [0; 32];
+		ed25519_pubkey.copy_from_slice(&onion[3..35]);
+		let checksum = u16::from_be_bytes([first_checksum_flag, second_checksum_flag]);
+		return Ok(SocketAddress::OnionV3 { ed25519_pubkey, checksum, version, port });
+
+	} else {
+		return Err(SocketAddressParseError::InvalidInput);
+	}
+}
+
+impl Display for SocketAddress {
+	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+		match self {
+			SocketAddress::TcpIpV4{addr, port} => write!(
+				f, "{}.{}.{}.{}:{}", addr[0], addr[1], addr[2], addr[3], port)?,
+			SocketAddress::TcpIpV6{addr, port} => write!(
+				f,
+				"[{:02x}{:02x}:{:02x}{:02x}:{:02x}{:02x}:{:02x}{:02x}:{:02x}{:02x}:{:02x}{:02x}:{:02x}{:02x}:{:02x}{:02x}]:{}",
+				addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], addr[6], addr[7], addr[8], addr[9], addr[10], addr[11], addr[12], addr[13], addr[14], addr[15], port
+			)?,
+			SocketAddress::OnionV2(bytes) => write!(f, "OnionV2({:?})", bytes)?,
+			SocketAddress::OnionV3 {
+				ed25519_pubkey,
+				checksum,
+				version,
+				port,
+			} => {
+				let [first_checksum_flag, second_checksum_flag] = checksum.to_be_bytes();
+				let mut addr = vec![*version, first_checksum_flag, second_checksum_flag];
+				addr.extend_from_slice(ed25519_pubkey);
+				let onion = base32::Alphabet::RFC4648 { padding: false }.encode(&addr);
+				write!(f, "{}.onion:{}", onion, port)?
+			},
+			SocketAddress::Hostname { hostname, port } => write!(f, "{}:{}", hostname, port)?,
+		}
+		Ok(())
+	}
+}
+
+#[cfg(feature = "std")]
+impl FromStr for SocketAddress {
+	type Err = SocketAddressParseError;
+
+	fn from_str(s: &str) -> Result<Self, Self::Err> {
+		match std::net::SocketAddr::from_str(s) {
+			Ok(addr) => Ok(addr.into()),
+			Err(_) => {
+				let trimmed_input = match s.rfind(":") {
+					Some(pos) => pos,
+					None => return Err(SocketAddressParseError::InvalidInput),
+				};
+				let host = &s[..trimmed_input];
+				let port: u16 = s[trimmed_input + 1..].parse().map_err(|_| SocketAddressParseError::InvalidPort)?;
+				if host.ends_with(".onion") {
+					return parse_onion_address(host, port);
+				};
+				if let Ok(hostname) = Hostname::try_from(s[..trimmed_input].to_string()) {
+					return Ok(SocketAddress::Hostname { hostname, port });
+				};
+				return Err(SocketAddressParseError::SocketAddrParse)
+			},
+		}
+	}
+}
+
 /// Represents the set of gossip messages that require a signature from a node's identity key.
 pub enum UnsignedGossipMessage<'a> {
 	/// An unsigned channel announcement.
@@ -922,7 +1123,7 @@ impl<'a> Writeable for UnsignedGossipMessage<'a> {
 /// The unsigned part of a [`node_announcement`] message.
 ///
 /// [`node_announcement`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-node_announcement-message
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct UnsignedNodeAnnouncement {
 	/// The advertised features
 	pub features: NodeFeatures,
@@ -938,11 +1139,19 @@ pub struct UnsignedNodeAnnouncement {
 	/// This should be sanitized before use. There is no guarantee of uniqueness.
 	pub alias: NodeAlias,
 	/// List of addresses on which this node is reachable
-	pub addresses: Vec<NetAddress>,
-	pub(crate) excess_address_data: Vec<u8>,
-	pub(crate) excess_data: Vec<u8>,
+	pub addresses: Vec<SocketAddress>,
+	/// Excess address data which was signed as a part of the message which we do not (yet) understand how
+	/// to decode.
+	///
+	/// This is stored to ensure forward-compatibility as new address types are added to the lightning gossip protocol.
+	pub excess_address_data: Vec<u8>,
+	/// Excess data which was signed as a part of the message which we do not (yet) understand how
+	/// to decode.
+	///
+	/// This is stored to ensure forward-compatibility as new fields are added to the lightning gossip protocol.
+	pub excess_data: Vec<u8>,
 }
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 /// A [`node_announcement`] message to be sent to or received from a peer.
 ///
 /// [`node_announcement`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-node_announcement-message
@@ -956,12 +1165,12 @@ pub struct NodeAnnouncement {
 /// The unsigned part of a [`channel_announcement`] message.
 ///
 /// [`channel_announcement`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-channel_announcement-message
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct UnsignedChannelAnnouncement {
 	/// The advertised channel features
 	pub features: ChannelFeatures,
 	/// The genesis hash of the blockchain where the channel is to be opened
-	pub chain_hash: BlockHash,
+	pub chain_hash: ChainHash,
 	/// The short channel ID
 	pub short_channel_id: u64,
 	/// One of the two `node_id`s which are endpoints of this channel
@@ -981,7 +1190,7 @@ pub struct UnsignedChannelAnnouncement {
 /// A [`channel_announcement`] message to be sent to or received from a peer.
 ///
 /// [`channel_announcement`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-channel_announcement-message
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct ChannelAnnouncement {
 	/// Authentication of the announcement by the first public node
 	pub node_signature_1: Signature,
@@ -998,10 +1207,10 @@ pub struct ChannelAnnouncement {
 /// The unsigned part of a [`channel_update`] message.
 ///
 /// [`channel_update`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-channel_update-message
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct UnsignedChannelUpdate {
 	/// The genesis hash of the blockchain where the channel is to be opened
-	pub chain_hash: BlockHash,
+	pub chain_hash: ChainHash,
 	/// The short channel ID
 	pub short_channel_id: u64,
 	/// A strictly monotonic announcement counter, with gaps allowed, specific to this channel
@@ -1036,7 +1245,7 @@ pub struct UnsignedChannelUpdate {
 /// A [`channel_update`] message to be sent to or received from a peer.
 ///
 /// [`channel_update`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-channel_update-message
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct ChannelUpdate {
 	/// A signature of the channel update
 	pub signature: Signature,
@@ -1050,10 +1259,10 @@ pub struct ChannelUpdate {
 /// messages.
 ///
 /// [`query_channel_range`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-query_channel_range-and-reply_channel_range-messages
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct QueryChannelRange {
 	/// The genesis hash of the blockchain being queried
-	pub chain_hash: BlockHash,
+	pub chain_hash: ChainHash,
 	/// The height of the first block for the channel UTXOs being queried
 	pub first_blocknum: u32,
 	/// The number of blocks to include in the query results
@@ -1071,10 +1280,10 @@ pub struct QueryChannelRange {
 /// serialization and do not support `encoding_type=1` zlib serialization.
 ///
 /// [`reply_channel_range`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-query_channel_range-and-reply_channel_range-messages
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct ReplyChannelRange {
 	/// The genesis hash of the blockchain being queried
-	pub chain_hash: BlockHash,
+	pub chain_hash: ChainHash,
 	/// The height of the first block in the range of the reply
 	pub first_blocknum: u32,
 	/// The number of blocks included in the range of the reply
@@ -1096,10 +1305,10 @@ pub struct ReplyChannelRange {
 /// serialization and do not support `encoding_type=1` zlib serialization.
 ///
 /// [`query_short_channel_ids`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-query_short_channel_idsreply_short_channel_ids_end-messages
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct QueryShortChannelIds {
 	/// The genesis hash of the blockchain being queried
-	pub chain_hash: BlockHash,
+	pub chain_hash: ChainHash,
 	/// The short_channel_ids that are being queried
 	pub short_channel_ids: Vec<u64>,
 }
@@ -1110,10 +1319,10 @@ pub struct QueryShortChannelIds {
 /// a perfect view of the network.
 ///
 /// [`reply_short_channel_ids_end`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-query_short_channel_idsreply_short_channel_ids_end-messages
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct ReplyShortChannelIdsEnd {
 	/// The genesis hash of the blockchain that was queried
-	pub chain_hash: BlockHash,
+	pub chain_hash: ChainHash,
 	/// Indicates if the query recipient maintains up-to-date channel
 	/// information for the `chain_hash`
 	pub full_information: bool,
@@ -1124,10 +1333,10 @@ pub struct ReplyShortChannelIdsEnd {
 /// `gossip_queries` feature has been negotiated.
 ///
 /// [`gossip_timestamp_filter`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-gossip_timestamp_filter-message
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct GossipTimestampFilter {
 	/// The genesis hash of the blockchain for channel and node information
-	pub chain_hash: BlockHash,
+	pub chain_hash: ChainHash,
 	/// The starting unix timestamp
 	pub first_timestamp: u32,
 	/// The range of information in seconds
@@ -1143,7 +1352,7 @@ enum EncodingType {
 }
 
 /// Used to put an error message in a [`LightningError`].
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub enum ErrorAction {
 	/// The peer took some action which made us think they were useless. Disconnect them.
 	DisconnectPeer {
@@ -1192,7 +1401,7 @@ pub struct LightningError {
 
 /// Struct used to return values from [`RevokeAndACK`] messages, containing a bunch of commitment
 /// transaction updates if they were pending.
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct CommitmentUpdate {
 	/// `update_add_htlc` messages which should be sent
 	pub update_add_htlcs: Vec<UpdateAddHTLC>,
@@ -1235,6 +1444,18 @@ pub trait ChannelMessageHandler : MessageSendEventsProvider {
 	/// Handle an incoming `closing_signed` message from the given peer.
 	fn handle_closing_signed(&self, their_node_id: &PublicKey, msg: &ClosingSigned);
 
+	// Quiescence
+	/// Handle an incoming `stfu` message from the given peer.
+	fn handle_stfu(&self, their_node_id: &PublicKey, msg: &Stfu);
+
+	// Splicing
+	/// Handle an incoming `splice` message from the given peer.
+	fn handle_splice(&self, their_node_id: &PublicKey, msg: &Splice);
+	/// Handle an incoming `splice_ack` message from the given peer.
+	fn handle_splice_ack(&self, their_node_id: &PublicKey, msg: &SpliceAck);
+	/// Handle an incoming `splice_locked` message from the given peer.
+	fn handle_splice_locked(&self, their_node_id: &PublicKey, msg: &SpliceLocked);
+
 	// Interactive channel construction
 	/// Handle an incoming `tx_add_input message` from the given peer.
 	fn handle_tx_add_input(&self, their_node_id: &PublicKey, msg: &TxAddInput);
@@ -1309,11 +1530,11 @@ pub trait ChannelMessageHandler : MessageSendEventsProvider {
 	/// Note that this method is called before [`Self::peer_connected`].
 	fn provided_init_features(&self, their_node_id: &PublicKey) -> InitFeatures;
 
-	/// Gets the genesis hashes for this `ChannelMessageHandler` indicating which chains it supports.
+	/// Gets the chain hashes for this `ChannelMessageHandler` indicating which chains it supports.
 	///
 	/// If it's `None`, then no particular network chain hash compatibility will be enforced when
 	/// connecting to peers.
-	fn get_genesis_hashes(&self) -> Option<Vec<ChainHash>>;
+	fn get_chain_hashes(&self) -> Option<Vec<ChainHash>>;
 }
 
 /// A trait to describe an object which can receive routing messages.
@@ -1386,10 +1607,14 @@ pub trait RoutingMessageHandler : MessageSendEventsProvider {
 	fn provided_init_features(&self, their_node_id: &PublicKey) -> InitFeatures;
 }
 
-/// A trait to describe an object that can receive onion messages.
-pub trait OnionMessageHandler : OnionMessageProvider {
+/// A handler for received [`OnionMessage`]s and for providing generated ones to send.
+pub trait OnionMessageHandler: EventsProvider {
 	/// Handle an incoming `onion_message` message from the given peer.
 	fn handle_onion_message(&self, peer_node_id: &PublicKey, msg: &OnionMessage);
+
+	/// Returns the next pending onion message for the peer with the given node id.
+	fn next_onion_message_for_peer(&self, peer_node_id: PublicKey) -> Option<OnionMessage>;
+
 	/// Called when a connection is established with a peer. Can be used to track which peers
 	/// advertise onion message support and are online.
 	///
@@ -1397,10 +1622,15 @@ pub trait OnionMessageHandler : OnionMessageProvider {
 	/// with us. Implementors should be somewhat conservative about doing so, however, as other
 	/// message handlers may still wish to communicate with this peer.
 	fn peer_connected(&self, their_node_id: &PublicKey, init: &Init, inbound: bool) -> Result<(), ()>;
+
 	/// Indicates a connection to the peer failed/an existing connection was lost. Allows handlers to
 	/// drop and refuse to forward onion messages to this peer.
 	fn peer_disconnected(&self, their_node_id: &PublicKey);
 
+	/// Performs actions that should happen roughly every ten seconds after startup. Allows handlers
+	/// to drop any buffered onion messages intended for prospective peers.
+	fn timer_tick_occurred(&self);
+
 	// Handler information:
 	/// Gets the node feature flags which this handler itself supports. All available handlers are
 	/// queried similarly and their feature flags are OR'd together to form the [`NodeFeatures`]
@@ -1415,19 +1645,31 @@ pub trait OnionMessageHandler : OnionMessageProvider {
 	fn provided_init_features(&self, their_node_id: &PublicKey) -> InitFeatures;
 }
 
+#[derive(Clone)]
+#[cfg_attr(test, derive(Debug, PartialEq))]
+/// Information communicated in the onion to the recipient for multi-part tracking and proof that
+/// the payment is associated with an invoice.
+pub struct FinalOnionHopData {
+	/// When sending a multi-part payment, this secret is used to identify a payment across HTLCs.
+	/// Because it is generated by the recipient and included in the invoice, it also provides
+	/// proof to the recipient that the payment was sent by someone with the generated invoice.
+	pub payment_secret: PaymentSecret,
+	/// The intended total amount that this payment is for.
+	///
+	/// Message serialization may panic if this value is more than 21 million Bitcoin.
+	pub total_msat: u64,
+}
+
 mod fuzzy_internal_msgs {
+	use bitcoin::secp256k1::PublicKey;
+	use crate::blinded_path::payment::{PaymentConstraints, PaymentRelay};
 	use crate::prelude::*;
 	use crate::ln::{PaymentPreimage, PaymentSecret};
+	use crate::ln::features::BlindedHopFeatures;
+	use super::{FinalOnionHopData, TrampolineOnionPacket};
 
 	// These types aren't intended to be pub, but are exposed for direct fuzzing (as we deserialize
 	// them from untrusted input):
-	#[derive(Clone)]
-	pub struct FinalOnionHopData {
-		pub payment_secret: PaymentSecret,
-		/// The total value, in msat, of the payment as received by the ultimate recipient.
-		/// Message serialization may panic if this value is more than 21 million Bitcoin.
-		pub total_msat: u64,
-	}
 
 	pub enum InboundOnionPayload {
 		Forward {
@@ -1441,9 +1683,25 @@ mod fuzzy_internal_msgs {
 			payment_metadata: Option<Vec<u8>>,
 			keysend_preimage: Option<PaymentPreimage>,
 			custom_tlvs: Vec<(u64, Vec<u8>)>,
-			amt_msat: u64,
-			outgoing_cltv_value: u32,
+			sender_intended_htlc_amt_msat: u64,
+			cltv_expiry_height: u32,
 		},
+		BlindedForward {
+			short_channel_id: u64,
+			payment_relay: PaymentRelay,
+			payment_constraints: PaymentConstraints,
+			features: BlindedHopFeatures,
+			intro_node_blinding_point: Option<PublicKey>,
+		},
+		BlindedReceive {
+			sender_intended_htlc_amt_msat: u64,
+			total_msat: u64,
+			cltv_expiry_height: u32,
+			payment_secret: PaymentSecret,
+			payment_constraints: PaymentConstraints,
+			intro_node_blinding_point: Option<PublicKey>,
+			keysend_preimage: Option<PaymentPreimage>,
+		}
 	}
 
 	pub(crate) enum OutboundOnionPayload {
@@ -1453,14 +1711,44 @@ mod fuzzy_internal_msgs {
 			amt_to_forward: u64,
 			outgoing_cltv_value: u32,
 		},
+		#[allow(unused)]
+		TrampolineEntrypoint {
+			amt_to_forward: u64,
+			outgoing_cltv_value: u32,
+			multipath_trampoline_data: Option<FinalOnionHopData>,
+			trampoline_packet: TrampolineOnionPacket,
+		},
 		Receive {
 			payment_data: Option<FinalOnionHopData>,
 			payment_metadata: Option<Vec<u8>>,
 			keysend_preimage: Option<PaymentPreimage>,
 			custom_tlvs: Vec<(u64, Vec<u8>)>,
-			amt_msat: u64,
+			sender_intended_htlc_amt_msat: u64,
+			cltv_expiry_height: u32,
+		},
+		BlindedForward {
+			encrypted_tlvs: Vec<u8>,
+			intro_node_blinding_point: Option<PublicKey>,
+		},
+		BlindedReceive {
+			sender_intended_htlc_amt_msat: u64,
+			total_msat: u64,
+			cltv_expiry_height: u32,
+			encrypted_tlvs: Vec<u8>,
+			intro_node_blinding_point: Option<PublicKey>, // Set if the introduction node of the blinded path is the final node
+			keysend_preimage: Option<PaymentPreimage>,
+		}
+	}
+
+	pub(crate) enum OutboundTrampolinePayload {
+		#[allow(unused)]
+		Forward {
+			/// The value, in msat, of the payment after this hop's fee is deducted.
+			amt_to_forward: u64,
 			outgoing_cltv_value: u32,
-		},
+			/// The node id to which the trampoline node must find a route
+			outgoing_node_id: PublicKey,
+		}
 	}
 
 	pub struct DecodedOnionErrorPacket {
@@ -1474,17 +1762,21 @@ pub use self::fuzzy_internal_msgs::*;
 #[cfg(not(fuzzing))]
 pub(crate) use self::fuzzy_internal_msgs::*;
 
-#[derive(Clone)]
-pub(crate) struct OnionPacket {
-	pub(crate) version: u8,
+/// BOLT 4 onion packet including hop data for the next peer.
+#[derive(Clone, Hash, PartialEq, Eq)]
+pub struct OnionPacket {
+	/// BOLT 4 version number.
+	pub version: u8,
 	/// In order to ensure we always return an error on onion decode in compliance with [BOLT
 	/// #4](https://github.com/lightning/bolts/blob/master/04-onion-routing.md), we have to
 	/// deserialize `OnionPacket`s contained in [`UpdateAddHTLC`] messages even if the ephemeral
 	/// public key (here) is bogus, so we hold a [`Result`] instead of a [`PublicKey`] as we'd
 	/// like.
-	pub(crate) public_key: Result<PublicKey, secp256k1::Error>,
-	pub(crate) hop_data: [u8; 20*65],
-	pub(crate) hmac: [u8; 32],
+	pub public_key: Result<PublicKey, secp256k1::Error>,
+	/// 1300 bytes encrypted payload for the next hop.
+	pub hop_data: [u8; 20*65],
+	/// HMAC to verify the integrity of hop_data.
+	pub hmac: [u8; 32],
 }
 
 impl onion_utils::Packet for OnionPacket {
@@ -1499,25 +1791,59 @@ impl onion_utils::Packet for OnionPacket {
 	}
 }
 
-impl Eq for OnionPacket { }
-impl PartialEq for OnionPacket {
-	fn eq(&self, other: &OnionPacket) -> bool {
-		for (i, j) in self.hop_data.iter().zip(other.hop_data.iter()) {
-			if i != j { return false; }
+impl fmt::Debug for OnionPacket {
+	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+		f.write_fmt(format_args!("OnionPacket version {} with hmac {:?}", self.version, &self.hmac[..]))
+	}
+}
+
+/// BOLT 4 onion packet including hop data for the next peer.
+#[derive(Clone, Hash, PartialEq, Eq)]
+pub struct TrampolineOnionPacket {
+	/// Bolt 04 version number
+	pub version: u8,
+	/// A random sepc256k1 point, used to build the ECDH shared secret to decrypt hop_data
+	pub public_key: PublicKey,
+	/// Encrypted payload for the next hop
+	//
+	// Unlike the onion packets used for payments, Trampoline onion packets have to be shorter than
+	// 1300 bytes. The expected default is 650 bytes.
+	// TODO: if 650 ends up being the most common size, optimize this to be:
+	// enum { SixFifty([u8; 650]), VarLen(Vec<u8>) }
+	pub hop_data: Vec<u8>,
+	/// HMAC to verify the integrity of hop_data
+	pub hmac: [u8; 32],
+}
+
+impl onion_utils::Packet for TrampolineOnionPacket {
+	type Data = Vec<u8>;
+	fn new(public_key: PublicKey, hop_data: Vec<u8>, hmac: [u8; 32]) -> Self {
+		Self {
+			version: 0,
+			public_key,
+			hop_data,
+			hmac,
 		}
-		self.version == other.version &&
-			self.public_key == other.public_key &&
-			self.hmac == other.hmac
 	}
 }
 
-impl fmt::Debug for OnionPacket {
+impl Writeable for TrampolineOnionPacket {
+	fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
+		self.version.write(w)?;
+		self.public_key.write(w)?;
+		w.write_all(&self.hop_data)?;
+		self.hmac.write(w)?;
+		Ok(())
+	}
+}
+
+impl Debug for TrampolineOnionPacket {
 	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-		f.write_fmt(format_args!("OnionPacket version {} with hmac {:?}", self.version, &self.hmac[..]))
+		f.write_fmt(format_args!("TrampolineOnionPacket version {} with hmac {:?}", self.version, &self.hmac[..]))
 	}
 }
 
-#[derive(Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub(crate) struct OnionErrorPacket {
 	// This really should be a constant size slice, but the spec lets these things be up to 128KB?
 	// (TODO) We limit it in decode to much lower...
@@ -1548,70 +1874,198 @@ impl From<io::Error> for DecodeError {
 	}
 }
 
-#[cfg(not(taproot))]
-impl_writeable_msg!(AcceptChannel, {
-	temporary_channel_id,
-	dust_limit_satoshis,
-	max_htlc_value_in_flight_msat,
-	channel_reserve_satoshis,
-	htlc_minimum_msat,
-	minimum_depth,
-	to_self_delay,
-	max_accepted_htlcs,
-	funding_pubkey,
-	revocation_basepoint,
-	payment_point,
-	delayed_payment_basepoint,
-	htlc_basepoint,
-	first_per_commitment_point,
-}, {
-	(0, shutdown_scriptpubkey, (option, encoding: (Script, WithoutLength))), // Don't encode length twice.
-	(1, channel_type, option),
-});
+impl Writeable for AcceptChannel {
+	fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
+		self.common_fields.temporary_channel_id.write(w)?;
+		self.common_fields.dust_limit_satoshis.write(w)?;
+		self.common_fields.max_htlc_value_in_flight_msat.write(w)?;
+		self.channel_reserve_satoshis.write(w)?;
+		self.common_fields.htlc_minimum_msat.write(w)?;
+		self.common_fields.minimum_depth.write(w)?;
+		self.common_fields.to_self_delay.write(w)?;
+		self.common_fields.max_accepted_htlcs.write(w)?;
+		self.common_fields.funding_pubkey.write(w)?;
+		self.common_fields.revocation_basepoint.write(w)?;
+		self.common_fields.payment_basepoint.write(w)?;
+		self.common_fields.delayed_payment_basepoint.write(w)?;
+		self.common_fields.htlc_basepoint.write(w)?;
+		self.common_fields.first_per_commitment_point.write(w)?;
+		#[cfg(not(taproot))]
+		encode_tlv_stream!(w, {
+			(0, self.common_fields.shutdown_scriptpubkey.as_ref().map(|s| WithoutLength(s)), option), // Don't encode length twice.
+			(1, self.common_fields.channel_type, option),
+		});
+		#[cfg(taproot)]
+		encode_tlv_stream!(w, {
+			(0, self.common_fields.shutdown_scriptpubkey.as_ref().map(|s| WithoutLength(s)), option), // Don't encode length twice.
+			(1, self.common_fields.channel_type, option),
+			(4, self.next_local_nonce, option),
+		});
+		Ok(())
+	}
+}
 
-#[cfg(taproot)]
-impl_writeable_msg!(AcceptChannel, {
-	temporary_channel_id,
-	dust_limit_satoshis,
-	max_htlc_value_in_flight_msat,
-	channel_reserve_satoshis,
-	htlc_minimum_msat,
-	minimum_depth,
-	to_self_delay,
-	max_accepted_htlcs,
+impl Readable for AcceptChannel {
+	fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
+		let temporary_channel_id: ChannelId = Readable::read(r)?;
+		let dust_limit_satoshis: u64 = Readable::read(r)?;
+		let max_htlc_value_in_flight_msat: u64 = Readable::read(r)?;
+		let channel_reserve_satoshis: u64 = Readable::read(r)?;
+		let htlc_minimum_msat: u64 = Readable::read(r)?;
+		let minimum_depth: u32 = Readable::read(r)?;
+		let to_self_delay: u16 = Readable::read(r)?;
+		let max_accepted_htlcs: u16 = Readable::read(r)?;
+		let funding_pubkey: PublicKey = Readable::read(r)?;
+		let revocation_basepoint: PublicKey = Readable::read(r)?;
+		let payment_basepoint: PublicKey = Readable::read(r)?;
+		let delayed_payment_basepoint: PublicKey = Readable::read(r)?;
+		let htlc_basepoint: PublicKey = Readable::read(r)?;
+		let first_per_commitment_point: PublicKey = Readable::read(r)?;
+
+		let mut shutdown_scriptpubkey: Option<ScriptBuf> = None;
+		let mut channel_type: Option<ChannelTypeFeatures> = None;
+		#[cfg(not(taproot))]
+		decode_tlv_stream!(r, {
+			(0, shutdown_scriptpubkey, (option, encoding: (ScriptBuf, WithoutLength))),
+			(1, channel_type, option),
+		});
+		#[cfg(taproot)]
+		let mut next_local_nonce: Option<musig2::types::PublicNonce> = None;
+		#[cfg(taproot)]
+		decode_tlv_stream!(r, {
+			(0, shutdown_scriptpubkey, (option, encoding: (ScriptBuf, WithoutLength))),
+			(1, channel_type, option),
+			(4, next_local_nonce, option),
+		});
+
+		Ok(AcceptChannel {
+			common_fields: CommonAcceptChannelFields {
+				temporary_channel_id,
+				dust_limit_satoshis,
+				max_htlc_value_in_flight_msat,
+				htlc_minimum_msat,
+				minimum_depth,
+				to_self_delay,
+				max_accepted_htlcs,
+				funding_pubkey,
+				revocation_basepoint,
+				payment_basepoint,
+				delayed_payment_basepoint,
+				htlc_basepoint,
+				first_per_commitment_point,
+				shutdown_scriptpubkey,
+				channel_type,
+			},
+			channel_reserve_satoshis,
+			#[cfg(taproot)]
+			next_local_nonce,
+		})
+	}
+}
+
+impl Writeable for AcceptChannelV2 {
+	fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
+		self.common_fields.temporary_channel_id.write(w)?;
+		self.funding_satoshis.write(w)?;
+		self.common_fields.dust_limit_satoshis.write(w)?;
+		self.common_fields.max_htlc_value_in_flight_msat.write(w)?;
+		self.common_fields.htlc_minimum_msat.write(w)?;
+		self.common_fields.minimum_depth.write(w)?;
+		self.common_fields.to_self_delay.write(w)?;
+		self.common_fields.max_accepted_htlcs.write(w)?;
+		self.common_fields.funding_pubkey.write(w)?;
+		self.common_fields.revocation_basepoint.write(w)?;
+		self.common_fields.payment_basepoint.write(w)?;
+		self.common_fields.delayed_payment_basepoint.write(w)?;
+		self.common_fields.htlc_basepoint.write(w)?;
+		self.common_fields.first_per_commitment_point.write(w)?;
+		self.second_per_commitment_point.write(w)?;
+
+		encode_tlv_stream!(w, {
+			(0, self.common_fields.shutdown_scriptpubkey.as_ref().map(|s| WithoutLength(s)), option), // Don't encode length twice.
+			(1, self.common_fields.channel_type, option),
+			(2, self.require_confirmed_inputs, option),
+		});
+		Ok(())
+	}
+}
+
+impl Readable for AcceptChannelV2 {
+	fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
+		let temporary_channel_id: ChannelId = Readable::read(r)?;
+		let funding_satoshis: u64 = Readable::read(r)?;
+		let dust_limit_satoshis: u64 = Readable::read(r)?;
+		let max_htlc_value_in_flight_msat: u64 = Readable::read(r)?;
+		let htlc_minimum_msat: u64 = Readable::read(r)?;
+		let minimum_depth: u32 = Readable::read(r)?;
+		let to_self_delay: u16 = Readable::read(r)?;
+		let max_accepted_htlcs: u16 = Readable::read(r)?;
+		let funding_pubkey: PublicKey = Readable::read(r)?;
+		let revocation_basepoint: PublicKey = Readable::read(r)?;
+		let payment_basepoint: PublicKey = Readable::read(r)?;
+		let delayed_payment_basepoint: PublicKey = Readable::read(r)?;
+		let htlc_basepoint: PublicKey = Readable::read(r)?;
+		let first_per_commitment_point: PublicKey = Readable::read(r)?;
+		let second_per_commitment_point: PublicKey = Readable::read(r)?;
+
+		let mut shutdown_scriptpubkey: Option<ScriptBuf> = None;
+		let mut channel_type: Option<ChannelTypeFeatures> = None;
+		let mut require_confirmed_inputs: Option<()> = None;
+		decode_tlv_stream!(r, {
+			(0, shutdown_scriptpubkey, (option, encoding: (ScriptBuf, WithoutLength))),
+			(1, channel_type, option),
+			(2, require_confirmed_inputs, option),
+		});
+
+		Ok(AcceptChannelV2 {
+			common_fields: CommonAcceptChannelFields {
+				temporary_channel_id,
+				dust_limit_satoshis,
+				max_htlc_value_in_flight_msat,
+				htlc_minimum_msat,
+				minimum_depth,
+				to_self_delay,
+				max_accepted_htlcs,
+				funding_pubkey,
+				revocation_basepoint,
+				payment_basepoint,
+				delayed_payment_basepoint,
+				htlc_basepoint,
+				first_per_commitment_point,
+				shutdown_scriptpubkey,
+				channel_type,
+			},
+			funding_satoshis,
+			second_per_commitment_point,
+			require_confirmed_inputs,
+		})
+	}
+}
+
+impl_writeable_msg!(Stfu, {
+	channel_id,
+	initiator,
+}, {});
+
+impl_writeable_msg!(Splice, {
+	channel_id,
+	chain_hash,
+	relative_satoshis,
+	funding_feerate_perkw,
+	locktime,
 	funding_pubkey,
-	revocation_basepoint,
-	payment_point,
-	delayed_payment_basepoint,
-	htlc_basepoint,
-	first_per_commitment_point,
-}, {
-	(0, shutdown_scriptpubkey, (option, encoding: (Script, WithoutLength))), // Don't encode length twice.
-	(1, channel_type, option),
-	(4, next_local_nonce, option),
-});
+}, {});
 
-impl_writeable_msg!(AcceptChannelV2, {
-	temporary_channel_id,
-	funding_satoshis,
-	dust_limit_satoshis,
-	max_htlc_value_in_flight_msat,
-	htlc_minimum_msat,
-	minimum_depth,
-	to_self_delay,
-	max_accepted_htlcs,
+impl_writeable_msg!(SpliceAck, {
+	channel_id,
+	chain_hash,
+	relative_satoshis,
 	funding_pubkey,
-	revocation_basepoint,
-	payment_basepoint,
-	delayed_payment_basepoint,
-	htlc_basepoint,
-	first_per_commitment_point,
-	second_per_commitment_point,
-}, {
-	(0, shutdown_scriptpubkey, option),
-	(1, channel_type, option),
-	(2, require_confirmed_inputs, option),
-});
+}, {});
+
+impl_writeable_msg!(SpliceLocked, {
+	channel_id,
+}, {});
 
 impl_writeable_msg!(TxAddInput, {
 	channel_id,
@@ -1773,7 +2227,7 @@ impl Readable for Init {
 	fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
 		let global_features: InitFeatures = Readable::read(r)?;
 		let features: InitFeatures = Readable::read(r)?;
-		let mut remote_network_address: Option<NetAddress> = None;
+		let mut remote_network_address: Option<SocketAddress> = None;
 		let mut networks: Option<WithoutLength<Vec<ChainHash>>> = None;
 		decode_tlv_stream!(r, {
 			(1, networks, option),
@@ -1787,55 +2241,176 @@ impl Readable for Init {
 	}
 }
 
-impl_writeable_msg!(OpenChannel, {
-	chain_hash,
-	temporary_channel_id,
-	funding_satoshis,
-	push_msat,
-	dust_limit_satoshis,
-	max_htlc_value_in_flight_msat,
-	channel_reserve_satoshis,
-	htlc_minimum_msat,
-	feerate_per_kw,
-	to_self_delay,
-	max_accepted_htlcs,
-	funding_pubkey,
-	revocation_basepoint,
-	payment_point,
-	delayed_payment_basepoint,
-	htlc_basepoint,
-	first_per_commitment_point,
-	channel_flags,
-}, {
-	(0, shutdown_scriptpubkey, (option, encoding: (Script, WithoutLength))), // Don't encode length twice.
-	(1, channel_type, option),
-});
+impl Writeable for OpenChannel {
+	fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
+		self.common_fields.chain_hash.write(w)?;
+		self.common_fields.temporary_channel_id.write(w)?;
+		self.common_fields.funding_satoshis.write(w)?;
+		self.push_msat.write(w)?;
+		self.common_fields.dust_limit_satoshis.write(w)?;
+		self.common_fields.max_htlc_value_in_flight_msat.write(w)?;
+		self.channel_reserve_satoshis.write(w)?;
+		self.common_fields.htlc_minimum_msat.write(w)?;
+		self.common_fields.commitment_feerate_sat_per_1000_weight.write(w)?;
+		self.common_fields.to_self_delay.write(w)?;
+		self.common_fields.max_accepted_htlcs.write(w)?;
+		self.common_fields.funding_pubkey.write(w)?;
+		self.common_fields.revocation_basepoint.write(w)?;
+		self.common_fields.payment_basepoint.write(w)?;
+		self.common_fields.delayed_payment_basepoint.write(w)?;
+		self.common_fields.htlc_basepoint.write(w)?;
+		self.common_fields.first_per_commitment_point.write(w)?;
+		self.common_fields.channel_flags.write(w)?;
+		encode_tlv_stream!(w, {
+			(0, self.common_fields.shutdown_scriptpubkey.as_ref().map(|s| WithoutLength(s)), option), // Don't encode length twice.
+			(1, self.common_fields.channel_type, option),
+		});
+		Ok(())
+	}
+}
 
-impl_writeable_msg!(OpenChannelV2, {
-	chain_hash,
-	temporary_channel_id,
-	funding_feerate_sat_per_1000_weight,
-	commitment_feerate_sat_per_1000_weight,
-	funding_satoshis,
-	dust_limit_satoshis,
-	max_htlc_value_in_flight_msat,
-	htlc_minimum_msat,
-	to_self_delay,
-	max_accepted_htlcs,
-	locktime,
-	funding_pubkey,
-	revocation_basepoint,
-	payment_basepoint,
-	delayed_payment_basepoint,
-	htlc_basepoint,
-	first_per_commitment_point,
-	second_per_commitment_point,
-	channel_flags,
-}, {
-	(0, shutdown_scriptpubkey, option),
-	(1, channel_type, option),
-	(2, require_confirmed_inputs, option),
-});
+impl Readable for OpenChannel {
+	fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
+		let chain_hash: ChainHash = Readable::read(r)?;
+		let temporary_channel_id: ChannelId = Readable::read(r)?;
+		let funding_satoshis: u64 = Readable::read(r)?;
+		let push_msat: u64 = Readable::read(r)?;
+		let dust_limit_satoshis: u64 = Readable::read(r)?;
+		let max_htlc_value_in_flight_msat: u64 = Readable::read(r)?;
+		let channel_reserve_satoshis: u64 = Readable::read(r)?;
+		let htlc_minimum_msat: u64 = Readable::read(r)?;
+		let commitment_feerate_sat_per_1000_weight: u32 = Readable::read(r)?;
+		let to_self_delay: u16 = Readable::read(r)?;
+		let max_accepted_htlcs: u16 = Readable::read(r)?;
+		let funding_pubkey: PublicKey = Readable::read(r)?;
+		let revocation_basepoint: PublicKey = Readable::read(r)?;
+		let payment_basepoint: PublicKey = Readable::read(r)?;
+		let delayed_payment_basepoint: PublicKey = Readable::read(r)?;
+		let htlc_basepoint: PublicKey = Readable::read(r)?;
+		let first_per_commitment_point: PublicKey = Readable::read(r)?;
+		let channel_flags: u8 = Readable::read(r)?;
+
+		let mut shutdown_scriptpubkey: Option<ScriptBuf> = None;
+		let mut channel_type: Option<ChannelTypeFeatures> = None;
+		decode_tlv_stream!(r, {
+			(0, shutdown_scriptpubkey, (option, encoding: (ScriptBuf, WithoutLength))),
+			(1, channel_type, option),
+		});
+		Ok(OpenChannel {
+			common_fields: CommonOpenChannelFields {
+				chain_hash,
+				temporary_channel_id,
+				funding_satoshis,
+				dust_limit_satoshis,
+				max_htlc_value_in_flight_msat,
+				htlc_minimum_msat,
+				commitment_feerate_sat_per_1000_weight,
+				to_self_delay,
+				max_accepted_htlcs,
+				funding_pubkey,
+				revocation_basepoint,
+				payment_basepoint,
+				delayed_payment_basepoint,
+				htlc_basepoint,
+				first_per_commitment_point,
+				channel_flags,
+				shutdown_scriptpubkey,
+				channel_type,
+			},
+			push_msat,
+			channel_reserve_satoshis,
+		})
+	}
+}
+
+impl Writeable for OpenChannelV2 {
+	fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
+		self.common_fields.chain_hash.write(w)?;
+		self.common_fields.temporary_channel_id.write(w)?;
+		self.funding_feerate_sat_per_1000_weight.write(w)?;
+		self.common_fields.commitment_feerate_sat_per_1000_weight.write(w)?;
+		self.common_fields.funding_satoshis.write(w)?;
+		self.common_fields.dust_limit_satoshis.write(w)?;
+		self.common_fields.max_htlc_value_in_flight_msat.write(w)?;
+		self.common_fields.htlc_minimum_msat.write(w)?;
+		self.common_fields.to_self_delay.write(w)?;
+		self.common_fields.max_accepted_htlcs.write(w)?;
+		self.locktime.write(w)?;
+		self.common_fields.funding_pubkey.write(w)?;
+		self.common_fields.revocation_basepoint.write(w)?;
+		self.common_fields.payment_basepoint.write(w)?;
+		self.common_fields.delayed_payment_basepoint.write(w)?;
+		self.common_fields.htlc_basepoint.write(w)?;
+		self.common_fields.first_per_commitment_point.write(w)?;
+		self.second_per_commitment_point.write(w)?;
+		self.common_fields.channel_flags.write(w)?;
+		encode_tlv_stream!(w, {
+			(0, self.common_fields.shutdown_scriptpubkey.as_ref().map(|s| WithoutLength(s)), option), // Don't encode length twice.
+			(1, self.common_fields.channel_type, option),
+			(2, self.require_confirmed_inputs, option),
+		});
+		Ok(())
+	}
+}
+
+impl Readable for OpenChannelV2 {
+	fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
+		let chain_hash: ChainHash = Readable::read(r)?;
+		let temporary_channel_id: ChannelId = Readable::read(r)?;
+		let funding_feerate_sat_per_1000_weight: u32 = Readable::read(r)?;
+		let commitment_feerate_sat_per_1000_weight: u32 = Readable::read(r)?;
+		let funding_satoshis: u64 = Readable::read(r)?;
+		let dust_limit_satoshis: u64 = Readable::read(r)?;
+		let max_htlc_value_in_flight_msat: u64 = Readable::read(r)?;
+		let htlc_minimum_msat: u64 = Readable::read(r)?;
+		let to_self_delay: u16 = Readable::read(r)?;
+		let max_accepted_htlcs: u16 = Readable::read(r)?;
+		let locktime: u32 = Readable::read(r)?;
+		let funding_pubkey: PublicKey = Readable::read(r)?;
+		let revocation_basepoint: PublicKey = Readable::read(r)?;
+		let payment_basepoint: PublicKey = Readable::read(r)?;
+		let delayed_payment_basepoint: PublicKey = Readable::read(r)?;
+		let htlc_basepoint: PublicKey = Readable::read(r)?;
+		let first_per_commitment_point: PublicKey = Readable::read(r)?;
+		let second_per_commitment_point: PublicKey = Readable::read(r)?;
+		let channel_flags: u8 = Readable::read(r)?;
+
+		let mut shutdown_scriptpubkey: Option<ScriptBuf> = None;
+		let mut channel_type: Option<ChannelTypeFeatures> = None;
+		let mut require_confirmed_inputs: Option<()> = None;
+		decode_tlv_stream!(r, {
+			(0, shutdown_scriptpubkey, (option, encoding: (ScriptBuf, WithoutLength))),
+			(1, channel_type, option),
+			(2, require_confirmed_inputs, option),
+		});
+		Ok(OpenChannelV2 {
+			common_fields: CommonOpenChannelFields {
+				chain_hash,
+				temporary_channel_id,
+				funding_satoshis,
+				dust_limit_satoshis,
+				max_htlc_value_in_flight_msat,
+				htlc_minimum_msat,
+				commitment_feerate_sat_per_1000_weight,
+				to_self_delay,
+				max_accepted_htlcs,
+				funding_pubkey,
+				revocation_basepoint,
+				payment_basepoint,
+				delayed_payment_basepoint,
+				htlc_basepoint,
+				first_per_commitment_point,
+				channel_flags,
+				shutdown_scriptpubkey,
+				channel_type,
+			},
+			funding_feerate_sat_per_1000_weight,
+			locktime,
+			second_per_commitment_point,
+			require_confirmed_inputs,
+		})
+	}
+}
 
 #[cfg(not(taproot))]
 impl_writeable_msg!(RevokeAndACK, {
@@ -1928,6 +2503,7 @@ impl_writeable_msg!(UpdateAddHTLC, {
 	cltv_expiry,
 	onion_routing_packet,
 }, {
+	(0, blinding_point, option),
 	(65537, skimmed_fee_msat, option)
 });
 
@@ -1936,7 +2512,8 @@ impl Readable for OnionMessage {
 		let blinding_point: PublicKey = Readable::read(r)?;
 		let len: u16 = Readable::read(r)?;
 		let mut packet_reader = FixedLengthReader::new(r, len as u64);
-		let onion_routing_packet: onion_message::Packet = <onion_message::Packet as LengthReadable>::read(&mut packet_reader)?;
+		let onion_routing_packet: onion_message::packet::Packet =
+			<onion_message::packet::Packet as LengthReadable>::read(&mut packet_reader)?;
 		Ok(Self {
 			blinding_point,
 			onion_routing_packet,
@@ -1979,9 +2556,20 @@ impl Writeable for OutboundOnionPayload {
 					(6, short_channel_id, required)
 				});
 			},
+			Self::TrampolineEntrypoint {
+				amt_to_forward, outgoing_cltv_value, ref multipath_trampoline_data,
+				ref trampoline_packet
+			} => {
+				_encode_varint_length_prefixed_tlv!(w, {
+					(2, HighZeroBytesDroppedBigSize(*amt_to_forward), required),
+					(4, HighZeroBytesDroppedBigSize(*outgoing_cltv_value), required),
+					(8, multipath_trampoline_data, option),
+					(20, trampoline_packet, required)
+				});
+			},
 			Self::Receive {
-				ref payment_data, ref payment_metadata, ref keysend_preimage, amt_msat,
-				outgoing_cltv_value, ref custom_tlvs,
+				ref payment_data, ref payment_metadata, ref keysend_preimage, sender_intended_htlc_amt_msat,
+				cltv_expiry_height, ref custom_tlvs,
 			} => {
 				// We need to update [`ln::outbound_payment::RecipientOnionFields::with_custom_tlvs`]
 				// to reject any reserved types in the experimental range if new ones are ever
@@ -1990,35 +2578,78 @@ impl Writeable for OutboundOnionPayload {
 				let mut custom_tlvs: Vec<&(u64, Vec<u8>)> = custom_tlvs.iter().chain(keysend_tlv.iter()).collect();
 				custom_tlvs.sort_unstable_by_key(|(typ, _)| *typ);
 				_encode_varint_length_prefixed_tlv!(w, {
-					(2, HighZeroBytesDroppedBigSize(*amt_msat), required),
-					(4, HighZeroBytesDroppedBigSize(*outgoing_cltv_value), required),
+					(2, HighZeroBytesDroppedBigSize(*sender_intended_htlc_amt_msat), required),
+					(4, HighZeroBytesDroppedBigSize(*cltv_expiry_height), required),
 					(8, payment_data, option),
 					(16, payment_metadata.as_ref().map(|m| WithoutLength(m)), option)
 				}, custom_tlvs.iter());
 			},
+			Self::BlindedForward { encrypted_tlvs, intro_node_blinding_point } => {
+				_encode_varint_length_prefixed_tlv!(w, {
+					(10, *encrypted_tlvs, required_vec),
+					(12, intro_node_blinding_point, option)
+				});
+			},
+			Self::BlindedReceive {
+				sender_intended_htlc_amt_msat, total_msat, cltv_expiry_height, encrypted_tlvs,
+				intro_node_blinding_point, keysend_preimage,
+			} => {
+				_encode_varint_length_prefixed_tlv!(w, {
+					(2, HighZeroBytesDroppedBigSize(*sender_intended_htlc_amt_msat), required),
+					(4, HighZeroBytesDroppedBigSize(*cltv_expiry_height), required),
+					(10, *encrypted_tlvs, required_vec),
+					(12, intro_node_blinding_point, option),
+					(18, HighZeroBytesDroppedBigSize(*total_msat), required),
+					(5482373484, keysend_preimage, option)
+				});
+			},
 		}
 		Ok(())
 	}
 }
 
-impl Readable for InboundOnionPayload {
-	fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
-		let mut amt = HighZeroBytesDroppedBigSize(0u64);
-		let mut cltv_value = HighZeroBytesDroppedBigSize(0u32);
+impl Writeable for OutboundTrampolinePayload {
+	fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
+		match self {
+			Self::Forward { amt_to_forward, outgoing_cltv_value, outgoing_node_id } => {
+				_encode_varint_length_prefixed_tlv!(w, {
+					(2, HighZeroBytesDroppedBigSize(*amt_to_forward), required),
+					(4, HighZeroBytesDroppedBigSize(*outgoing_cltv_value), required),
+					(14, outgoing_node_id, required)
+				});
+			}
+		}
+		Ok(())
+	}
+}
+
+
+impl<NS: Deref> ReadableArgs<(Option<PublicKey>, &NS)> for InboundOnionPayload where NS::Target: NodeSigner {
+	fn read<R: Read>(r: &mut R, args: (Option<PublicKey>, &NS)) -> Result<Self, DecodeError> {
+		let (update_add_blinding_point, node_signer) = args;
+
+		let mut amt = None;
+		let mut cltv_value = None;
 		let mut short_id: Option<u64> = None;
 		let mut payment_data: Option<FinalOnionHopData> = None;
+		let mut encrypted_tlvs_opt: Option<WithoutLength<Vec<u8>>> = None;
+		let mut intro_node_blinding_point = None;
 		let mut payment_metadata: Option<WithoutLength<Vec<u8>>> = None;
+		let mut total_msat = None;
 		let mut keysend_preimage: Option<PaymentPreimage> = None;
 		let mut custom_tlvs = Vec::new();
 
 		let tlv_len = BigSize::read(r)?;
 		let rd = FixedLengthReader::new(r, tlv_len.0);
 		decode_tlv_stream_with_custom_tlv_decode!(rd, {
-			(2, amt, required),
-			(4, cltv_value, required),
+			(2, amt, (option, encoding: (u64, HighZeroBytesDroppedBigSize))),
+			(4, cltv_value, (option, encoding: (u32, HighZeroBytesDroppedBigSize))),
 			(6, short_id, option),
 			(8, payment_data, option),
+			(10, encrypted_tlvs_opt, option),
+			(12, intro_node_blinding_point, option),
 			(16, payment_metadata, option),
+			(18, total_msat, (option, encoding: (u64, HighZeroBytesDroppedBigSize))),
 			// See https://github.com/lightning/blips/blob/master/blip-0003.md
 			(5482373484, keysend_preimage, option)
 		}, |msg_type: u64, msg_reader: &mut FixedLengthReader<_>| -> Result<bool, DecodeError> {
@@ -2029,16 +2660,66 @@ impl Readable for InboundOnionPayload {
 			Ok(true)
 		});
 
-		if amt.0 > MAX_VALUE_MSAT { return Err(DecodeError::InvalidValue) }
-		if let Some(short_channel_id) = short_id {
-			if payment_data.is_some() { return Err(DecodeError::InvalidValue) }
-			if payment_metadata.is_some() { return Err(DecodeError::InvalidValue); }
+		if amt.unwrap_or(0) > MAX_VALUE_MSAT { return Err(DecodeError::InvalidValue) }
+		if intro_node_blinding_point.is_some() && update_add_blinding_point.is_some() {
+			return Err(DecodeError::InvalidValue)
+		}
+
+		if let Some(blinding_point) = intro_node_blinding_point.or(update_add_blinding_point) {
+			if short_id.is_some() || payment_data.is_some() || payment_metadata.is_some() {
+				return Err(DecodeError::InvalidValue)
+			}
+			let enc_tlvs = encrypted_tlvs_opt.ok_or(DecodeError::InvalidValue)?.0;
+			let enc_tlvs_ss = node_signer.ecdh(Recipient::Node, &blinding_point, None)
+				.map_err(|_| DecodeError::InvalidValue)?;
+			let rho = onion_utils::gen_rho_from_shared_secret(&enc_tlvs_ss.secret_bytes());
+			let mut s = Cursor::new(&enc_tlvs);
+			let mut reader = FixedLengthReader::new(&mut s, enc_tlvs.len() as u64);
+			match ChaChaPolyReadAdapter::read(&mut reader, rho)? {
+				ChaChaPolyReadAdapter { readable: BlindedPaymentTlvs::Forward(ForwardTlvs {
+					short_channel_id, payment_relay, payment_constraints, features
+				})} => {
+					if amt.is_some() || cltv_value.is_some() || total_msat.is_some() ||
+						keysend_preimage.is_some()
+					{
+						return Err(DecodeError::InvalidValue)
+					}
+					Ok(Self::BlindedForward {
+						short_channel_id,
+						payment_relay,
+						payment_constraints,
+						features,
+						intro_node_blinding_point,
+					})
+				},
+				ChaChaPolyReadAdapter { readable: BlindedPaymentTlvs::Receive(ReceiveTlvs {
+					payment_secret, payment_constraints
+				})} => {
+					if total_msat.unwrap_or(0) > MAX_VALUE_MSAT { return Err(DecodeError::InvalidValue) }
+					Ok(Self::BlindedReceive {
+						sender_intended_htlc_amt_msat: amt.ok_or(DecodeError::InvalidValue)?,
+						total_msat: total_msat.ok_or(DecodeError::InvalidValue)?,
+						cltv_expiry_height: cltv_value.ok_or(DecodeError::InvalidValue)?,
+						payment_secret,
+						payment_constraints,
+						intro_node_blinding_point,
+						keysend_preimage,
+					})
+				},
+			}
+		} else if let Some(short_channel_id) = short_id {
+			if payment_data.is_some() || payment_metadata.is_some() || encrypted_tlvs_opt.is_some() ||
+				total_msat.is_some()
+			{ return Err(DecodeError::InvalidValue) }
 			Ok(Self::Forward {
 				short_channel_id,
-				amt_to_forward: amt.0,
-				outgoing_cltv_value: cltv_value.0,
+				amt_to_forward: amt.ok_or(DecodeError::InvalidValue)?,
+				outgoing_cltv_value: cltv_value.ok_or(DecodeError::InvalidValue)?,
 			})
 		} else {
+			if encrypted_tlvs_opt.is_some() || total_msat.is_some() {
+				return Err(DecodeError::InvalidValue)
+			}
 			if let Some(data) = &payment_data {
 				if data.total_msat > MAX_VALUE_MSAT {
 					return Err(DecodeError::InvalidValue);
@@ -2048,22 +2729,14 @@ impl Readable for InboundOnionPayload {
 				payment_data,
 				payment_metadata: payment_metadata.map(|w| w.0),
 				keysend_preimage,
-				amt_msat: amt.0,
-				outgoing_cltv_value: cltv_value.0,
+				sender_intended_htlc_amt_msat: amt.ok_or(DecodeError::InvalidValue)?,
+				cltv_expiry_height: cltv_value.ok_or(DecodeError::InvalidValue)?,
 				custom_tlvs,
 			})
 		}
 	}
 }
 
-// ReadableArgs because we need onion_utils::decode_next_hop to accommodate payment packets and
-// onion message packets.
-impl ReadableArgs<()> for InboundOnionPayload {
-	fn read<R: Read>(r: &mut R, _arg: ()) -> Result<Self, DecodeError> {
-		<Self as Readable>::read(r)
-	}
-}
-
 impl Writeable for Ping {
 	fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
 		self.ponglen.write(w)?;
@@ -2272,7 +2945,7 @@ impl Readable for UnsignedNodeAnnouncement {
 		let alias: NodeAlias = Readable::read(r)?;
 
 		let addr_len: u16 = Readable::read(r)?;
-		let mut addresses: Vec<NetAddress> = Vec::new();
+		let mut addresses: Vec<SocketAddress> = Vec::new();
 		let mut addr_readpos = 0;
 		let mut excess = false;
 		let mut excess_byte = 0;
@@ -2331,7 +3004,7 @@ impl_writeable!(NodeAnnouncement, {
 
 impl Readable for QueryShortChannelIds {
 	fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
-		let chain_hash: BlockHash = Readable::read(r)?;
+		let chain_hash: ChainHash = Readable::read(r)?;
 
 		let encoding_len: u16 = Readable::read(r)?;
 		let encoding_type: u8 = Readable::read(r)?;
@@ -2407,7 +3080,7 @@ impl_writeable_msg!(QueryChannelRange, {
 
 impl Readable for ReplyChannelRange {
 	fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
-		let chain_hash: BlockHash = Readable::read(r)?;
+		let chain_hash: ChainHash = Readable::read(r)?;
 		let first_blocknum: u32 = Readable::read(r)?;
 		let number_of_blocks: u32 = Readable::read(r)?;
 		let sync_complete: bool = Readable::read(r)?;
@@ -2471,38 +3144,45 @@ impl_writeable_msg!(GossipTimestampFilter, {
 
 #[cfg(test)]
 mod tests {
-	use bitcoin::blockdata::constants::ChainHash;
-	use bitcoin::{Transaction, PackedLockTime, TxIn, Script, Sequence, Witness, TxOut};
-	use hex;
+	use std::convert::TryFrom;
+	use bitcoin::{Transaction, TxIn, ScriptBuf, Sequence, Witness, TxOut};
+	use hex::DisplayHex;
 	use crate::ln::{PaymentPreimage, PaymentHash, PaymentSecret};
 	use crate::ln::ChannelId;
 	use crate::ln::features::{ChannelFeatures, ChannelTypeFeatures, InitFeatures, NodeFeatures};
-	use crate::ln::msgs::{self, FinalOnionHopData, OnionErrorPacket};
+	use crate::ln::msgs::{self, FinalOnionHopData, OnionErrorPacket, CommonOpenChannelFields, CommonAcceptChannelFields, TrampolineOnionPacket};
+	use crate::ln::msgs::SocketAddress;
 	use crate::routing::gossip::{NodeAlias, NodeId};
-	use crate::util::ser::{Writeable, Readable, Hostname, TransactionU16LenLimited};
+	use crate::util::ser::{BigSize, Hostname, Readable, ReadableArgs, TransactionU16LenLimited, Writeable};
+	use crate::util::test_utils;
 
 	use bitcoin::hashes::hex::FromHex;
-	use bitcoin::util::address::Address;
+	use bitcoin::address::Address;
 	use bitcoin::network::constants::Network;
+	use bitcoin::blockdata::constants::ChainHash;
 	use bitcoin::blockdata::script::Builder;
 	use bitcoin::blockdata::opcodes;
-	use bitcoin::hash_types::{Txid, BlockHash};
+	use bitcoin::hash_types::Txid;
+	use bitcoin::locktime::absolute::LockTime;
 
 	use bitcoin::secp256k1::{PublicKey,SecretKey};
 	use bitcoin::secp256k1::{Secp256k1, Message};
 
 	use crate::io::{self, Cursor};
 	use crate::prelude::*;
-	use core::convert::TryFrom;
 	use core::str::FromStr;
-
 	use crate::chain::transaction::OutPoint;
 
+	#[cfg(feature = "std")]
+	use std::net::{Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6, ToSocketAddrs};
+	#[cfg(feature = "std")]
+	use crate::ln::msgs::SocketAddressParseError;
+
 	#[test]
 	fn encoding_channel_reestablish() {
 		let public_key = {
 			let secp_ctx = Secp256k1::new();
-			PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap())
+			PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&<Vec<u8>>::from_hex("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap())
 		};
 
 		let cr = msgs::ChannelReestablish {
@@ -2531,7 +3211,7 @@ mod tests {
 	fn encoding_channel_reestablish_with_next_funding_txid() {
 		let public_key = {
 			let secp_ctx = Secp256k1::new();
-			PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap())
+			PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&<Vec<u8>>::from_hex("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap())
 		};
 
 		let cr = msgs::ChannelReestablish {
@@ -2540,7 +3220,7 @@ mod tests {
 			next_remote_commitment_number: 4,
 			your_last_per_commitment_secret: [9;32],
 			my_current_per_commitment_point: public_key,
-			next_funding_txid: Some(Txid::from_hash(bitcoin::hashes::Hash::from_slice(&[
+			next_funding_txid: Some(Txid::from_raw_hash(bitcoin::hashes::Hash::from_slice(&[
 				48, 167, 250, 69, 152, 48, 103, 172, 164, 99, 59, 19, 23, 11, 92, 84, 15, 80, 4, 12, 98, 82, 75, 31, 201, 11, 91, 23, 98, 23, 53, 124,
 			]).unwrap())),
 		};
@@ -2564,7 +3244,7 @@ mod tests {
 	macro_rules! get_keys_from {
 		($slice: expr, $secp_ctx: expr) => {
 			{
-				let privkey = SecretKey::from_slice(&hex::decode($slice).unwrap()[..]).unwrap();
+				let privkey = SecretKey::from_slice(&<Vec<u8>>::from_hex($slice).unwrap()[..]).unwrap();
 				let pubkey = PublicKey::from_secret_key(&$secp_ctx, &privkey);
 				(privkey, pubkey)
 			}
@@ -2594,7 +3274,7 @@ mod tests {
 		};
 
 		let encoded_value = announcement_signatures.encode();
-		assert_eq!(encoded_value, hex::decode("040000000000000005000000000000000600000000000000070000000000000000083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073acf9953cef4700860f5967838eba2bae89288ad188ebf8b20bf995c3ea53a26df1876d0a3a0e13172ba286a673140190c02ba9da60a2e43a745188c8a83c7f3ef").unwrap());
+		assert_eq!(encoded_value, <Vec<u8>>::from_hex("040000000000000005000000000000000600000000000000070000000000000000083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073acf9953cef4700860f5967838eba2bae89288ad188ebf8b20bf995c3ea53a26df1876d0a3a0e13172ba286a673140190c02ba9da60a2e43a745188c8a83c7f3ef").unwrap());
 	}
 
 	fn do_encoding_channel_announcement(unknown_features_bits: bool, excess_data: bool) {
@@ -2613,7 +3293,7 @@ mod tests {
 		}
 		let unsigned_channel_announcement = msgs::UnsignedChannelAnnouncement {
 			features,
-			chain_hash: BlockHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap(),
+			chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
 			short_channel_id: 2316138423780173,
 			node_id_1: NodeId::from_pubkey(&pubkey_1),
 			node_id_2: NodeId::from_pubkey(&pubkey_2),
@@ -2629,16 +3309,16 @@ mod tests {
 			contents: unsigned_channel_announcement,
 		};
 		let encoded_value = channel_announcement.encode();
-		let mut target_value = hex::decode("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").unwrap();
+		let mut target_value = <Vec<u8>>::from_hex("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").unwrap();
 		if unknown_features_bits {
-			target_value.append(&mut hex::decode("0002ffff").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("0002ffff").unwrap());
 		} else {
-			target_value.append(&mut hex::decode("0000").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("0000").unwrap());
 		}
-		target_value.append(&mut hex::decode("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f").unwrap());
-		target_value.append(&mut hex::decode("00083a840000034d031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d076602531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe33703462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("00083a840000034d031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d076602531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe33703462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap());
 		if excess_data {
-			target_value.append(&mut hex::decode("0a00001400001e000028").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("0a00001400001e000028").unwrap());
 		}
 		assert_eq!(encoded_value, target_value);
 	}
@@ -2663,24 +3343,24 @@ mod tests {
 		};
 		let mut addresses = Vec::new();
 		if ipv4 {
-			addresses.push(msgs::NetAddress::IPv4 {
+			addresses.push(SocketAddress::TcpIpV4 {
 				addr: [255, 254, 253, 252],
 				port: 9735
 			});
 		}
 		if ipv6 {
-			addresses.push(msgs::NetAddress::IPv6 {
+			addresses.push(SocketAddress::TcpIpV6 {
 				addr: [255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240],
 				port: 9735
 			});
 		}
 		if onionv2 {
-			addresses.push(msgs::NetAddress::OnionV2(
+			addresses.push(msgs::SocketAddress::OnionV2(
 				[255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 38, 7]
 			));
 		}
 		if onionv3 {
-			addresses.push(msgs::NetAddress::OnionV3 {
+			addresses.push(msgs::SocketAddress::OnionV3 {
 				ed25519_pubkey:	[255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240, 239, 238, 237, 236, 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224],
 				checksum: 32,
 				version: 16,
@@ -2688,7 +3368,7 @@ mod tests {
 			});
 		}
 		if hostname {
-			addresses.push(msgs::NetAddress::Hostname {
+			addresses.push(SocketAddress::Hostname {
 				hostname: Hostname::try_from(String::from("host")).unwrap(),
 				port: 9735,
 			});
@@ -2713,34 +3393,34 @@ mod tests {
 			contents: unsigned_node_announcement,
 		};
 		let encoded_value = node_announcement.encode();
-		let mut target_value = hex::decode("d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+		let mut target_value = <Vec<u8>>::from_hex("d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
 		if unknown_features_bits {
-			target_value.append(&mut hex::decode("0002ffff").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("0002ffff").unwrap());
 		} else {
-			target_value.append(&mut hex::decode("000122").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("000122").unwrap());
 		}
-		target_value.append(&mut hex::decode("013413a7031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f2020201010101010101010101010101010101010101010101010101010101010101010").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("013413a7031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f2020201010101010101010101010101010101010101010101010101010101010101010").unwrap());
 		target_value.append(&mut vec![(addr_len >> 8) as u8, addr_len as u8]);
 		if ipv4 {
-			target_value.append(&mut hex::decode("01fffefdfc2607").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("01fffefdfc2607").unwrap());
 		}
 		if ipv6 {
-			target_value.append(&mut hex::decode("02fffefdfcfbfaf9f8f7f6f5f4f3f2f1f02607").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("02fffefdfcfbfaf9f8f7f6f5f4f3f2f1f02607").unwrap());
 		}
 		if onionv2 {
-			target_value.append(&mut hex::decode("03fffefdfcfbfaf9f8f7f62607").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("03fffefdfcfbfaf9f8f7f62607").unwrap());
 		}
 		if onionv3 {
-			target_value.append(&mut hex::decode("04fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0efeeedecebeae9e8e7e6e5e4e3e2e1e00020102607").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("04fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0efeeedecebeae9e8e7e6e5e4e3e2e1e00020102607").unwrap());
 		}
 		if hostname {
-			target_value.append(&mut hex::decode("0504686f73742607").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("0504686f73742607").unwrap());
 		}
 		if excess_address_data {
-			target_value.append(&mut hex::decode("216c280b5395a2546e7e4b2663e04f811622f15a4f92e83aa2e92ba2a573c139142c54ae63072a1ec1ee7dc0c04bde5c847806172aa05c92c22ae8e308d1d269").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("216c280b5395a2546e7e4b2663e04f811622f15a4f92e83aa2e92ba2a573c139142c54ae63072a1ec1ee7dc0c04bde5c847806172aa05c92c22ae8e308d1d269").unwrap());
 		}
 		if excess_data {
-			target_value.append(&mut hex::decode("3b12cc195ce0a2d1bda6a88befa19fa07f51caa75ce83837f28965600b8aacab0855ffb0e741ec5f7c41421e9829a9d48611c8c831f71be5ea73e66594977ffd").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("3b12cc195ce0a2d1bda6a88befa19fa07f51caa75ce83837f28965600b8aacab0855ffb0e741ec5f7c41421e9829a9d48611c8c831f71be5ea73e66594977ffd").unwrap());
 		}
 		assert_eq!(encoded_value, target_value);
 	}
@@ -2764,7 +3444,7 @@ mod tests {
 		let (privkey_1, _) = get_keys_from!("0101010101010101010101010101010101010101010101010101010101010101", secp_ctx);
 		let sig_1 = get_sig_on!(privkey_1, secp_ctx, String::from("01010101010101010101010101010101"));
 		let unsigned_channel_update = msgs::UnsignedChannelUpdate {
-			chain_hash: BlockHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap(),
+			chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
 			short_channel_id: 2316138423780173,
 			timestamp: 20190119,
 			flags: if direction { 1 } else { 0 } | if disable { 1 << 1 } else { 0 },
@@ -2780,11 +3460,11 @@ mod tests {
 			contents: unsigned_channel_update
 		};
 		let encoded_value = channel_update.encode();
-		let mut target_value = hex::decode("d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
-		target_value.append(&mut hex::decode("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f").unwrap());
-		target_value.append(&mut hex::decode("00083a840000034d013413a7").unwrap());
-		target_value.append(&mut hex::decode("01").unwrap());
-		target_value.append(&mut hex::decode("00").unwrap());
+		let mut target_value = <Vec<u8>>::from_hex("d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+		target_value.append(&mut <Vec<u8>>::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("00083a840000034d013413a7").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("01").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("00").unwrap());
 		if direction {
 			let flag = target_value.last_mut().unwrap();
 			*flag = 1;
@@ -2793,10 +3473,10 @@ mod tests {
 			let flag = target_value.last_mut().unwrap();
 			*flag = *flag | 1 << 1;
 		}
-		target_value.append(&mut hex::decode("009000000000000f42400000271000000014").unwrap());
-		target_value.append(&mut hex::decode("0000777788889999").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("009000000000000f42400000271000000014").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("0000777788889999").unwrap());
 		if excess_data {
-			target_value.append(&mut hex::decode("000000003b9aca00").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("000000003b9aca00").unwrap());
 		}
 		assert_eq!(encoded_value, target_value);
 	}
@@ -2822,41 +3502,43 @@ mod tests {
 		let (_, pubkey_5) = get_keys_from!("0505050505050505050505050505050505050505050505050505050505050505", secp_ctx);
 		let (_, pubkey_6) = get_keys_from!("0606060606060606060606060606060606060606060606060606060606060606", secp_ctx);
 		let open_channel = msgs::OpenChannel {
-			chain_hash: BlockHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap(),
-			temporary_channel_id: ChannelId::from_bytes([2; 32]),
-			funding_satoshis: 1311768467284833366,
+			common_fields: CommonOpenChannelFields {
+				chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
+				temporary_channel_id: ChannelId::from_bytes([2; 32]),
+				funding_satoshis: 1311768467284833366,
+				dust_limit_satoshis: 3608586615801332854,
+				max_htlc_value_in_flight_msat: 8517154655701053848,
+				htlc_minimum_msat: 2316138423780173,
+				commitment_feerate_sat_per_1000_weight: 821716,
+				to_self_delay: 49340,
+				max_accepted_htlcs: 49340,
+				funding_pubkey: pubkey_1,
+				revocation_basepoint: pubkey_2,
+				payment_basepoint: pubkey_3,
+				delayed_payment_basepoint: pubkey_4,
+				htlc_basepoint: pubkey_5,
+				first_per_commitment_point: pubkey_6,
+				channel_flags: if random_bit { 1 << 5 } else { 0 },
+				shutdown_scriptpubkey: if shutdown { Some(Address::p2pkh(&::bitcoin::PublicKey{compressed: true, inner: pubkey_1}, Network::Testnet).script_pubkey()) } else { None },
+				channel_type: if incl_chan_type { Some(ChannelTypeFeatures::empty()) } else { None },
+			},
 			push_msat: 2536655962884945560,
-			dust_limit_satoshis: 3608586615801332854,
-			max_htlc_value_in_flight_msat: 8517154655701053848,
 			channel_reserve_satoshis: 8665828695742877976,
-			htlc_minimum_msat: 2316138423780173,
-			feerate_per_kw: 821716,
-			to_self_delay: 49340,
-			max_accepted_htlcs: 49340,
-			funding_pubkey: pubkey_1,
-			revocation_basepoint: pubkey_2,
-			payment_point: pubkey_3,
-			delayed_payment_basepoint: pubkey_4,
-			htlc_basepoint: pubkey_5,
-			first_per_commitment_point: pubkey_6,
-			channel_flags: if random_bit { 1 << 5 } else { 0 },
-			shutdown_scriptpubkey: if shutdown { Some(Address::p2pkh(&::bitcoin::PublicKey{compressed: true, inner: pubkey_1}, Network::Testnet).script_pubkey()) } else { None },
-			channel_type: if incl_chan_type { Some(ChannelTypeFeatures::empty()) } else { None },
 		};
 		let encoded_value = open_channel.encode();
 		let mut target_value = Vec::new();
-		target_value.append(&mut hex::decode("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f").unwrap());
-		target_value.append(&mut hex::decode("02020202020202020202020202020202020202020202020202020202020202021234567890123456233403289122369832144668701144767633030896203198784335490624111800083a840000034d000c89d4c0bcc0bc031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d076602531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe33703462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b0362c0a046dacce86ddd0343c6d3c7c79c2208ba0d9c9cf24a6d046d21d21f90f703f006a18d5653c4edf5391ff23a61f03ff83d237e880ee61187fa9f379a028e0a").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("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").unwrap());
 		if random_bit {
-			target_value.append(&mut hex::decode("20").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("20").unwrap());
 		} else {
-			target_value.append(&mut hex::decode("00").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("00").unwrap());
 		}
 		if shutdown {
-			target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
 		}
 		if incl_chan_type {
-			target_value.append(&mut hex::decode("0100").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("0100").unwrap());
 		}
 		assert_eq!(encoded_value, target_value);
 	}
@@ -2883,64 +3565,65 @@ mod tests {
 		let (_, pubkey_6) = get_keys_from!("0606060606060606060606060606060606060606060606060606060606060606", secp_ctx);
 		let (_, pubkey_7) = get_keys_from!("0707070707070707070707070707070707070707070707070707070707070707", secp_ctx);
 		let open_channelv2 = msgs::OpenChannelV2 {
-			chain_hash: BlockHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap(),
-			temporary_channel_id: ChannelId::from_bytes([2; 32]),
+			common_fields: CommonOpenChannelFields {
+				chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
+				temporary_channel_id: ChannelId::from_bytes([2; 32]),
+				commitment_feerate_sat_per_1000_weight: 821716,
+				funding_satoshis: 1311768467284833366,
+				dust_limit_satoshis: 3608586615801332854,
+				max_htlc_value_in_flight_msat: 8517154655701053848,
+				htlc_minimum_msat: 2316138423780173,
+				to_self_delay: 49340,
+				max_accepted_htlcs: 49340,
+				funding_pubkey: pubkey_1,
+				revocation_basepoint: pubkey_2,
+				payment_basepoint: pubkey_3,
+				delayed_payment_basepoint: pubkey_4,
+				htlc_basepoint: pubkey_5,
+				first_per_commitment_point: pubkey_6,
+				channel_flags: if random_bit { 1 << 5 } else { 0 },
+				shutdown_scriptpubkey: if shutdown { Some(Address::p2pkh(&::bitcoin::PublicKey{compressed: true, inner: pubkey_1}, Network::Testnet).script_pubkey()) } else { None },
+				channel_type: if incl_chan_type { Some(ChannelTypeFeatures::empty()) } else { None },
+			},
 			funding_feerate_sat_per_1000_weight: 821716,
-			commitment_feerate_sat_per_1000_weight: 821716,
-			funding_satoshis: 1311768467284833366,
-			dust_limit_satoshis: 3608586615801332854,
-			max_htlc_value_in_flight_msat: 8517154655701053848,
-			htlc_minimum_msat: 2316138423780173,
-			to_self_delay: 49340,
-			max_accepted_htlcs: 49340,
 			locktime: 305419896,
-			funding_pubkey: pubkey_1,
-			revocation_basepoint: pubkey_2,
-			payment_basepoint: pubkey_3,
-			delayed_payment_basepoint: pubkey_4,
-			htlc_basepoint: pubkey_5,
-			first_per_commitment_point: pubkey_6,
 			second_per_commitment_point: pubkey_7,
-			channel_flags: if random_bit { 1 << 5 } else { 0 },
-			shutdown_scriptpubkey: if shutdown { Some(Address::p2pkh(&::bitcoin::PublicKey{compressed: true, inner: pubkey_1}, Network::Testnet).script_pubkey()) } else { None },
-			channel_type: if incl_chan_type { Some(ChannelTypeFeatures::empty()) } else { None },
 			require_confirmed_inputs: if require_confirmed_inputs { Some(()) } else { None },
 		};
 		let encoded_value = open_channelv2.encode();
 		let mut target_value = Vec::new();
-		target_value.append(&mut hex::decode("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f").unwrap());
-		target_value.append(&mut hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap());
-		target_value.append(&mut hex::decode("000c89d4").unwrap());
-		target_value.append(&mut hex::decode("000c89d4").unwrap());
-		target_value.append(&mut hex::decode("1234567890123456").unwrap());
-		target_value.append(&mut hex::decode("3214466870114476").unwrap());
-		target_value.append(&mut hex::decode("7633030896203198").unwrap());
-		target_value.append(&mut hex::decode("00083a840000034d").unwrap());
-		target_value.append(&mut hex::decode("c0bc").unwrap());
-		target_value.append(&mut hex::decode("c0bc").unwrap());
-		target_value.append(&mut hex::decode("12345678").unwrap());
-		target_value.append(&mut hex::decode("031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap());
-		target_value.append(&mut hex::decode("024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d0766").unwrap());
-		target_value.append(&mut hex::decode("02531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe337").unwrap());
-		target_value.append(&mut hex::decode("03462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap());
-		target_value.append(&mut hex::decode("0362c0a046dacce86ddd0343c6d3c7c79c2208ba0d9c9cf24a6d046d21d21f90f7").unwrap());
-		target_value.append(&mut hex::decode("03f006a18d5653c4edf5391ff23a61f03ff83d237e880ee61187fa9f379a028e0a").unwrap());
-		target_value.append(&mut hex::decode("02989c0b76cb563971fdc9bef31ec06c3560f3249d6ee9e5d83c57625596e05f6f").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("000c89d4").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("000c89d4").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("1234567890123456").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("3214466870114476").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("7633030896203198").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("00083a840000034d").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("c0bc").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("c0bc").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("12345678").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d0766").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("02531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe337").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("03462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("0362c0a046dacce86ddd0343c6d3c7c79c2208ba0d9c9cf24a6d046d21d21f90f7").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("03f006a18d5653c4edf5391ff23a61f03ff83d237e880ee61187fa9f379a028e0a").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("02989c0b76cb563971fdc9bef31ec06c3560f3249d6ee9e5d83c57625596e05f6f").unwrap());
 
 		if random_bit {
-			target_value.append(&mut hex::decode("20").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("20").unwrap());
 		} else {
-			target_value.append(&mut hex::decode("00").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("00").unwrap());
 		}
 		if shutdown {
-			target_value.append(&mut hex::decode("001b").unwrap()); // Type 0 + Length 27
-			target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
 		}
 		if incl_chan_type {
-			target_value.append(&mut hex::decode("0100").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("0100").unwrap());
 		}
 		if require_confirmed_inputs {
-			target_value.append(&mut hex::decode("0200").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("0200").unwrap());
 		}
 		assert_eq!(encoded_value, target_value);
 	}
@@ -2974,29 +3657,31 @@ mod tests {
 		let (_, pubkey_5) = get_keys_from!("0505050505050505050505050505050505050505050505050505050505050505", secp_ctx);
 		let (_, pubkey_6) = get_keys_from!("0606060606060606060606060606060606060606060606060606060606060606", secp_ctx);
 		let accept_channel = msgs::AcceptChannel {
-			temporary_channel_id: ChannelId::from_bytes([2; 32]),
-			dust_limit_satoshis: 1311768467284833366,
-			max_htlc_value_in_flight_msat: 2536655962884945560,
+			common_fields: CommonAcceptChannelFields {
+				temporary_channel_id: ChannelId::from_bytes([2; 32]),
+				dust_limit_satoshis: 1311768467284833366,
+				max_htlc_value_in_flight_msat: 2536655962884945560,
+				htlc_minimum_msat: 2316138423780173,
+				minimum_depth: 821716,
+				to_self_delay: 49340,
+				max_accepted_htlcs: 49340,
+				funding_pubkey: pubkey_1,
+				revocation_basepoint: pubkey_2,
+				payment_basepoint: pubkey_3,
+				delayed_payment_basepoint: pubkey_4,
+				htlc_basepoint: pubkey_5,
+				first_per_commitment_point: pubkey_6,
+				shutdown_scriptpubkey: if shutdown { Some(Address::p2pkh(&::bitcoin::PublicKey{compressed: true, inner: pubkey_1}, Network::Testnet).script_pubkey()) } else { None },
+				channel_type: None,
+			},
 			channel_reserve_satoshis: 3608586615801332854,
-			htlc_minimum_msat: 2316138423780173,
-			minimum_depth: 821716,
-			to_self_delay: 49340,
-			max_accepted_htlcs: 49340,
-			funding_pubkey: pubkey_1,
-			revocation_basepoint: pubkey_2,
-			payment_point: pubkey_3,
-			delayed_payment_basepoint: pubkey_4,
-			htlc_basepoint: pubkey_5,
-			first_per_commitment_point: pubkey_6,
-			shutdown_scriptpubkey: if shutdown { Some(Address::p2pkh(&::bitcoin::PublicKey{compressed: true, inner: pubkey_1}, Network::Testnet).script_pubkey()) } else { None },
-			channel_type: None,
 			#[cfg(taproot)]
 			next_local_nonce: None,
 		};
 		let encoded_value = accept_channel.encode();
-		let mut target_value = hex::decode("020202020202020202020202020202020202020202020202020202020202020212345678901234562334032891223698321446687011447600083a840000034d000c89d4c0bcc0bc031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d076602531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe33703462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b0362c0a046dacce86ddd0343c6d3c7c79c2208ba0d9c9cf24a6d046d21d21f90f703f006a18d5653c4edf5391ff23a61f03ff83d237e880ee61187fa9f379a028e0a").unwrap();
+		let mut target_value = <Vec<u8>>::from_hex("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").unwrap();
 		if shutdown {
-			target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
 		}
 		assert_eq!(encoded_value, target_value);
 	}
@@ -3017,44 +3702,45 @@ mod tests {
 		let (_, pubkey_6) = get_keys_from!("0606060606060606060606060606060606060606060606060606060606060606", secp_ctx);
 		let (_, pubkey_7) = get_keys_from!("0707070707070707070707070707070707070707070707070707070707070707", secp_ctx);
 		let accept_channelv2 = msgs::AcceptChannelV2 {
-			temporary_channel_id: ChannelId::from_bytes([2; 32]),
+			common_fields: CommonAcceptChannelFields {
+				temporary_channel_id: ChannelId::from_bytes([2; 32]),
+				dust_limit_satoshis: 1311768467284833366,
+				max_htlc_value_in_flight_msat: 2536655962884945560,
+				htlc_minimum_msat: 2316138423780173,
+				minimum_depth: 821716,
+				to_self_delay: 49340,
+				max_accepted_htlcs: 49340,
+				funding_pubkey: pubkey_1,
+				revocation_basepoint: pubkey_2,
+				payment_basepoint: pubkey_3,
+				delayed_payment_basepoint: pubkey_4,
+				htlc_basepoint: pubkey_5,
+				first_per_commitment_point: pubkey_6,
+				shutdown_scriptpubkey: if shutdown { Some(Address::p2pkh(&::bitcoin::PublicKey{compressed: true, inner: pubkey_1}, Network::Testnet).script_pubkey()) } else { None },
+				channel_type: None,
+			},
 			funding_satoshis: 1311768467284833366,
-			dust_limit_satoshis: 1311768467284833366,
-			max_htlc_value_in_flight_msat: 2536655962884945560,
-			htlc_minimum_msat: 2316138423780173,
-			minimum_depth: 821716,
-			to_self_delay: 49340,
-			max_accepted_htlcs: 49340,
-			funding_pubkey: pubkey_1,
-			revocation_basepoint: pubkey_2,
-			payment_basepoint: pubkey_3,
-			delayed_payment_basepoint: pubkey_4,
-			htlc_basepoint: pubkey_5,
-			first_per_commitment_point: pubkey_6,
 			second_per_commitment_point: pubkey_7,
-			shutdown_scriptpubkey: if shutdown { Some(Address::p2pkh(&::bitcoin::PublicKey{compressed: true, inner: pubkey_1}, Network::Testnet).script_pubkey()) } else { None },
-			channel_type: None,
 			require_confirmed_inputs: None,
 		};
 		let encoded_value = accept_channelv2.encode();
-		let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // temporary_channel_id
-		target_value.append(&mut hex::decode("1234567890123456").unwrap()); // funding_satoshis
-		target_value.append(&mut hex::decode("1234567890123456").unwrap()); // dust_limit_satoshis
-		target_value.append(&mut hex::decode("2334032891223698").unwrap()); // max_htlc_value_in_flight_msat
-		target_value.append(&mut hex::decode("00083a840000034d").unwrap()); // htlc_minimum_msat
-		target_value.append(&mut hex::decode("000c89d4").unwrap()); //  minimum_depth
-		target_value.append(&mut hex::decode("c0bc").unwrap()); // to_self_delay
-		target_value.append(&mut hex::decode("c0bc").unwrap()); // max_accepted_htlcs
-		target_value.append(&mut hex::decode("031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap()); // funding_pubkey
-		target_value.append(&mut hex::decode("024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d0766").unwrap()); // revocation_basepoint
-		target_value.append(&mut hex::decode("02531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe337").unwrap()); // payment_basepoint
-		target_value.append(&mut hex::decode("03462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap()); // delayed_payment_basepoint
-		target_value.append(&mut hex::decode("0362c0a046dacce86ddd0343c6d3c7c79c2208ba0d9c9cf24a6d046d21d21f90f7").unwrap()); // htlc_basepoint
-		target_value.append(&mut hex::decode("03f006a18d5653c4edf5391ff23a61f03ff83d237e880ee61187fa9f379a028e0a").unwrap()); // first_per_commitment_point
-		target_value.append(&mut hex::decode("02989c0b76cb563971fdc9bef31ec06c3560f3249d6ee9e5d83c57625596e05f6f").unwrap()); // second_per_commitment_point
+		let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // temporary_channel_id
+		target_value.append(&mut <Vec<u8>>::from_hex("1234567890123456").unwrap()); // funding_satoshis
+		target_value.append(&mut <Vec<u8>>::from_hex("1234567890123456").unwrap()); // dust_limit_satoshis
+		target_value.append(&mut <Vec<u8>>::from_hex("2334032891223698").unwrap()); // max_htlc_value_in_flight_msat
+		target_value.append(&mut <Vec<u8>>::from_hex("00083a840000034d").unwrap()); // htlc_minimum_msat
+		target_value.append(&mut <Vec<u8>>::from_hex("000c89d4").unwrap()); //  minimum_depth
+		target_value.append(&mut <Vec<u8>>::from_hex("c0bc").unwrap()); // to_self_delay
+		target_value.append(&mut <Vec<u8>>::from_hex("c0bc").unwrap()); // max_accepted_htlcs
+		target_value.append(&mut <Vec<u8>>::from_hex("031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap()); // funding_pubkey
+		target_value.append(&mut <Vec<u8>>::from_hex("024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d0766").unwrap()); // revocation_basepoint
+		target_value.append(&mut <Vec<u8>>::from_hex("02531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe337").unwrap()); // payment_basepoint
+		target_value.append(&mut <Vec<u8>>::from_hex("03462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap()); // delayed_payment_basepoint
+		target_value.append(&mut <Vec<u8>>::from_hex("0362c0a046dacce86ddd0343c6d3c7c79c2208ba0d9c9cf24a6d046d21d21f90f7").unwrap()); // htlc_basepoint
+		target_value.append(&mut <Vec<u8>>::from_hex("03f006a18d5653c4edf5391ff23a61f03ff83d237e880ee61187fa9f379a028e0a").unwrap()); // first_per_commitment_point
+		target_value.append(&mut <Vec<u8>>::from_hex("02989c0b76cb563971fdc9bef31ec06c3560f3249d6ee9e5d83c57625596e05f6f").unwrap()); // second_per_commitment_point
 		if shutdown {
-			target_value.append(&mut hex::decode("001b").unwrap()); // Type 0 + Length 27
-			target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
 		}
 		assert_eq!(encoded_value, target_value);
 	}
@@ -3072,7 +3758,7 @@ mod tests {
 		let sig_1 = get_sig_on!(privkey_1, secp_ctx, String::from("01010101010101010101010101010101"));
 		let funding_created = msgs::FundingCreated {
 			temporary_channel_id: ChannelId::from_bytes([2; 32]),
-			funding_txid: Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(),
+			funding_txid: Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(),
 			funding_output_index: 255,
 			signature: sig_1,
 			#[cfg(taproot)]
@@ -3081,7 +3767,7 @@ mod tests {
 			next_local_nonce: None,
 		};
 		let encoded_value = funding_created.encode();
-		let target_value = hex::decode("02020202020202020202020202020202020202020202020202020202020202026e96fe9f8b0ddcd729ba03cfafa5a27b050b39d354dd980814268dfa9a44d4c200ffd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+		let target_value = <Vec<u8>>::from_hex("02020202020202020202020202020202020202020202020202020202020202026e96fe9f8b0ddcd729ba03cfafa5a27b050b39d354dd980814268dfa9a44d4c200ffd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3097,7 +3783,7 @@ mod tests {
 			partial_signature_with_nonce: None,
 		};
 		let encoded_value = funding_signed.encode();
-		let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+		let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3111,10 +3797,59 @@ mod tests {
 			short_channel_id_alias: None,
 		};
 		let encoded_value = channel_ready.encode();
-		let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap();
+		let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
+	#[test]
+	fn encoding_splice() {
+		let secp_ctx = Secp256k1::new();
+		let (_, pubkey_1,) = get_keys_from!("0101010101010101010101010101010101010101010101010101010101010101", secp_ctx);
+		let splice = msgs::Splice {
+			chain_hash: ChainHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap(),
+			channel_id: ChannelId::from_bytes([2; 32]),
+			relative_satoshis: 123456,
+			funding_feerate_perkw: 2000,
+			locktime: 0,
+			funding_pubkey: pubkey_1,
+		};
+		let encoded_value = splice.encode();
+		assert_eq!(encoded_value.as_hex().to_string(), "02020202020202020202020202020202020202020202020202020202020202026fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000001e240000007d000000000031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f");
+	}
+
+	#[test]
+	fn encoding_stfu() {
+		let stfu = msgs::Stfu {
+			channel_id: ChannelId::from_bytes([2; 32]),
+			initiator: 1,
+		};
+		let encoded_value = stfu.encode();
+		assert_eq!(encoded_value.as_hex().to_string(), "020202020202020202020202020202020202020202020202020202020202020201");
+	}
+
+	#[test]
+	fn encoding_splice_ack() {
+		let secp_ctx = Secp256k1::new();
+		let (_, pubkey_1,) = get_keys_from!("0101010101010101010101010101010101010101010101010101010101010101", secp_ctx);
+		let splice = msgs::SpliceAck {
+			chain_hash: ChainHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap(),
+			channel_id: ChannelId::from_bytes([2; 32]),
+			relative_satoshis: 123456,
+			funding_pubkey: pubkey_1,
+		};
+		let encoded_value = splice.encode();
+		assert_eq!(encoded_value.as_hex().to_string(), "02020202020202020202020202020202020202020202020202020202020202026fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000001e240031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f");
+	}
+
+	#[test]
+	fn encoding_splice_locked() {
+		let splice = msgs::SpliceLocked {
+			channel_id: ChannelId::from_bytes([2; 32]),
+		};
+		let encoded_value = splice.encode();
+		assert_eq!(encoded_value.as_hex().to_string(), "0202020202020202020202020202020202020202020202020202020202020202");
+	}
+
 	#[test]
 	fn encoding_tx_add_input() {
 		let tx_add_input = msgs::TxAddInput {
@@ -3122,23 +3857,23 @@ mod tests {
 			serial_id: 4886718345,
 			prevtx: TransactionU16LenLimited::new(Transaction {
 				version: 2,
-				lock_time: PackedLockTime(0),
+				lock_time: LockTime::ZERO,
 				input: vec![TxIn {
-					previous_output: OutPoint { txid: Txid::from_hex("305bab643ee297b8b6b76b320792c8223d55082122cb606bf89382146ced9c77").unwrap(), index: 2 }.into_bitcoin_outpoint(),
-					script_sig: Script::new(),
+					previous_output: OutPoint { txid: Txid::from_str("305bab643ee297b8b6b76b320792c8223d55082122cb606bf89382146ced9c77").unwrap(), index: 2 }.into_bitcoin_outpoint(),
+					script_sig: ScriptBuf::new(),
 					sequence: Sequence(0xfffffffd),
-					witness: Witness::from_vec(vec![
-						hex::decode("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap(),
-						hex::decode("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap()]),
+					witness: Witness::from_slice(&vec![
+						<Vec<u8>>::from_hex("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap(),
+						<Vec<u8>>::from_hex("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap()]),
 				}],
 				output: vec![
 					TxOut {
 						value: 12704566,
-						script_pubkey: Address::from_str("bc1qzlffunw52jav8vwdu5x3jfk6sr8u22rmq3xzw2").unwrap().script_pubkey(),
+						script_pubkey: Address::from_str("bc1qzlffunw52jav8vwdu5x3jfk6sr8u22rmq3xzw2").unwrap().payload.script_pubkey(),
 					},
 					TxOut {
 						value: 245148,
-						script_pubkey: Address::from_str("bc1qxmk834g5marzm227dgqvynd23y2nvt2ztwcw2z").unwrap().script_pubkey(),
+						script_pubkey: Address::from_str("bc1qxmk834g5marzm227dgqvynd23y2nvt2ztwcw2z").unwrap().payload.script_pubkey(),
 					},
 				],
 			}).unwrap(),
@@ -3146,7 +3881,7 @@ mod tests {
 			sequence: 305419896,
 		};
 		let encoded_value = tx_add_input.encode();
-		let target_value = hex::decode("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").unwrap();
+		let target_value = <Vec<u8>>::from_hex("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").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3156,10 +3891,10 @@ mod tests {
 			channel_id: ChannelId::from_bytes([2; 32]),
 			serial_id: 4886718345,
 			sats: 4886718345,
-			script: Address::from_str("bc1qxmk834g5marzm227dgqvynd23y2nvt2ztwcw2z").unwrap().script_pubkey(),
+			script: Address::from_str("bc1qxmk834g5marzm227dgqvynd23y2nvt2ztwcw2z").unwrap().payload.script_pubkey(),
 		};
 		let encoded_value = tx_add_output.encode();
-		let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202000000012345678900000001234567890016001436ec78d514df462da95e6a00c24daa8915362d42").unwrap();
+		let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202000000012345678900000001234567890016001436ec78d514df462da95e6a00c24daa8915362d42").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3170,7 +3905,7 @@ mod tests {
 			serial_id: 4886718345,
 		};
 		let encoded_value = tx_remove_input.encode();
-		let target_value = hex::decode("02020202020202020202020202020202020202020202020202020202020202020000000123456789").unwrap();
+		let target_value = <Vec<u8>>::from_hex("02020202020202020202020202020202020202020202020202020202020202020000000123456789").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3181,7 +3916,7 @@ mod tests {
 			serial_id: 4886718345,
 		};
 		let encoded_value = tx_remove_output.encode();
-		let target_value = hex::decode("02020202020202020202020202020202020202020202020202020202020202020000000123456789").unwrap();
+		let target_value = <Vec<u8>>::from_hex("02020202020202020202020202020202020202020202020202020202020202020000000123456789").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3191,7 +3926,7 @@ mod tests {
 			channel_id: ChannelId::from_bytes([2; 32]),
 		};
 		let encoded_value = tx_complete.encode();
-		let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
+		let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3199,34 +3934,34 @@ mod tests {
 	fn encoding_tx_signatures() {
 		let tx_signatures = msgs::TxSignatures {
 			channel_id: ChannelId::from_bytes([2; 32]),
-			tx_hash: Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(),
+			tx_hash: Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(),
 			witnesses: vec![
-				Witness::from_vec(vec![
-					hex::decode("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap(),
-					hex::decode("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap()]),
-				Witness::from_vec(vec![
-					hex::decode("3045022100ee00dbf4a862463e837d7c08509de814d620e4d9830fa84818713e0fa358f145022021c3c7060c4d53fe84fd165d60208451108a778c13b92ca4c6bad439236126cc01").unwrap(),
-					hex::decode("028fbbf0b16f5ba5bcb5dd37cd4047ce6f726a21c06682f9ec2f52b057de1dbdb5").unwrap()]),
+				Witness::from_slice(&vec![
+					<Vec<u8>>::from_hex("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap(),
+					<Vec<u8>>::from_hex("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap()]),
+				Witness::from_slice(&vec![
+					<Vec<u8>>::from_hex("3045022100ee00dbf4a862463e837d7c08509de814d620e4d9830fa84818713e0fa358f145022021c3c7060c4d53fe84fd165d60208451108a778c13b92ca4c6bad439236126cc01").unwrap(),
+					<Vec<u8>>::from_hex("028fbbf0b16f5ba5bcb5dd37cd4047ce6f726a21c06682f9ec2f52b057de1dbdb5").unwrap()]),
 			],
 		};
 		let encoded_value = tx_signatures.encode();
-		let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // channel_id
-		target_value.append(&mut hex::decode("6e96fe9f8b0ddcd729ba03cfafa5a27b050b39d354dd980814268dfa9a44d4c2").unwrap()); // tx_hash (sha256) (big endian byte order)
-		target_value.append(&mut hex::decode("0002").unwrap()); // num_witnesses (u16)
+		let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // channel_id
+		target_value.append(&mut <Vec<u8>>::from_hex("6e96fe9f8b0ddcd729ba03cfafa5a27b050b39d354dd980814268dfa9a44d4c2").unwrap()); // tx_hash (sha256) (big endian byte order)
+		target_value.append(&mut <Vec<u8>>::from_hex("0002").unwrap()); // num_witnesses (u16)
 		// Witness 1
-		target_value.append(&mut hex::decode("006b").unwrap()); // len of witness_data
-		target_value.append(&mut hex::decode("02").unwrap()); // num_witness_elements (VarInt)
-		target_value.append(&mut hex::decode("47").unwrap()); // len of witness element data (VarInt)
-		target_value.append(&mut hex::decode("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap());
-		target_value.append(&mut hex::decode("21").unwrap()); // len of witness element data (VarInt)
-		target_value.append(&mut hex::decode("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("006b").unwrap()); // len of witness_data
+		target_value.append(&mut <Vec<u8>>::from_hex("02").unwrap()); // num_witness_elements (VarInt)
+		target_value.append(&mut <Vec<u8>>::from_hex("47").unwrap()); // len of witness element data (VarInt)
+		target_value.append(&mut <Vec<u8>>::from_hex("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("21").unwrap()); // len of witness element data (VarInt)
+		target_value.append(&mut <Vec<u8>>::from_hex("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap());
 		// Witness 2
-		target_value.append(&mut hex::decode("006c").unwrap()); // len of witness_data
-		target_value.append(&mut hex::decode("02").unwrap()); // num_witness_elements (VarInt)
-		target_value.append(&mut hex::decode("48").unwrap()); // len of witness element data (VarInt)
-		target_value.append(&mut hex::decode("3045022100ee00dbf4a862463e837d7c08509de814d620e4d9830fa84818713e0fa358f145022021c3c7060c4d53fe84fd165d60208451108a778c13b92ca4c6bad439236126cc01").unwrap());
-		target_value.append(&mut hex::decode("21").unwrap()); // len of witness element data (VarInt)
-		target_value.append(&mut hex::decode("028fbbf0b16f5ba5bcb5dd37cd4047ce6f726a21c06682f9ec2f52b057de1dbdb5").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("006c").unwrap()); // len of witness_data
+		target_value.append(&mut <Vec<u8>>::from_hex("02").unwrap()); // num_witness_elements (VarInt)
+		target_value.append(&mut <Vec<u8>>::from_hex("48").unwrap()); // len of witness element data (VarInt)
+		target_value.append(&mut <Vec<u8>>::from_hex("3045022100ee00dbf4a862463e837d7c08509de814d620e4d9830fa84818713e0fa358f145022021c3c7060c4d53fe84fd165d60208451108a778c13b92ca4c6bad439236126cc01").unwrap());
+		target_value.append(&mut <Vec<u8>>::from_hex("21").unwrap()); // len of witness element data (VarInt)
+		target_value.append(&mut <Vec<u8>>::from_hex("028fbbf0b16f5ba5bcb5dd37cd4047ce6f726a21c06682f9ec2f52b057de1dbdb5").unwrap());
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3238,13 +3973,13 @@ mod tests {
 			funding_output_contribution: if let Some((value, _)) = funding_value_with_hex_target { Some(value) } else { None },
 		};
 		let encoded_value = tx_init_rbf.encode();
-		let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // channel_id
-		target_value.append(&mut hex::decode("12345678").unwrap()); // locktime
-		target_value.append(&mut hex::decode("013413a7").unwrap()); // feerate_sat_per_1000_weight
+		let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // channel_id
+		target_value.append(&mut <Vec<u8>>::from_hex("12345678").unwrap()); // locktime
+		target_value.append(&mut <Vec<u8>>::from_hex("013413a7").unwrap()); // feerate_sat_per_1000_weight
 		if let Some((_, target)) = funding_value_with_hex_target {
 			target_value.push(0x00); // Type
 			target_value.push(target.len() as u8 / 2); // Length
-			target_value.append(&mut hex::decode(target).unwrap()); // Value (i64)
+			target_value.append(&mut <Vec<u8>>::from_hex(target).unwrap()); // Value (i64)
 		}
 		assert_eq!(encoded_value, target_value);
 	}
@@ -3262,11 +3997,11 @@ mod tests {
 			funding_output_contribution: if let Some((value, _)) = funding_value_with_hex_target { Some(value) } else { None },
 		};
 		let encoded_value = tx_ack_rbf.encode();
-		let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
+		let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
 		if let Some((_, target)) = funding_value_with_hex_target {
 			target_value.push(0x00); // Type
 			target_value.push(target.len() as u8 / 2); // Length
-			target_value.append(&mut hex::decode(target).unwrap()); // Value (i64)
+			target_value.append(&mut <Vec<u8>>::from_hex(target).unwrap()); // Value (i64)
 		}
 		assert_eq!(encoded_value, target_value);
 	}
@@ -3282,10 +4017,10 @@ mod tests {
 	fn encoding_tx_abort() {
 		let tx_abort = msgs::TxAbort {
 			channel_id: ChannelId::from_bytes([2; 32]),
-			data: hex::decode("54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F672E").unwrap(),
+			data: <Vec<u8>>::from_hex("54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F672E").unwrap(),
 		};
 		let encoded_value = tx_abort.encode();
-		let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202002C54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F672E").unwrap();
+		let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202002C54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F672E").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3296,21 +4031,21 @@ mod tests {
 		let shutdown = msgs::Shutdown {
 			channel_id: ChannelId::from_bytes([2; 32]),
 			scriptpubkey:
-				     if script_type == 1 { Address::p2pkh(&::bitcoin::PublicKey{compressed: true, inner: pubkey_1}, Network::Testnet).script_pubkey() }
+				if script_type == 1 { Address::p2pkh(&::bitcoin::PublicKey{compressed: true, inner: pubkey_1}, Network::Testnet).script_pubkey() }
 				else if script_type == 2 { Address::p2sh(&script, Network::Testnet).unwrap().script_pubkey() }
 				else if script_type == 3 { Address::p2wpkh(&::bitcoin::PublicKey{compressed: true, inner: pubkey_1}, Network::Testnet).unwrap().script_pubkey() }
-				else                     { Address::p2wsh(&script, Network::Testnet).script_pubkey() },
+				else { Address::p2wsh(&script, Network::Testnet).script_pubkey() },
 		};
 		let encoded_value = shutdown.encode();
-		let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
+		let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
 		if script_type == 1 {
-			target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
 		} else if script_type == 2 {
-			target_value.append(&mut hex::decode("0017a914da1745e9b549bd0bfa1a569971c77eba30cd5a4b87").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("0017a914da1745e9b549bd0bfa1a569971c77eba30cd5a4b87").unwrap());
 		} else if script_type == 3 {
-			target_value.append(&mut hex::decode("0016001479b000887626b294a914501a4cd226b58b235983").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("0016001479b000887626b294a914501a4cd226b58b235983").unwrap());
 		} else if script_type == 4 {
-			target_value.append(&mut hex::decode("002200204ae81572f06e1b88fd5ced7a1a000945432e83e1551e6f721ee9c00b8cc33260").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("002200204ae81572f06e1b88fd5ced7a1a000945432e83e1551e6f721ee9c00b8cc33260").unwrap());
 		}
 		assert_eq!(encoded_value, target_value);
 	}
@@ -3335,7 +4070,7 @@ mod tests {
 			fee_range: None,
 		};
 		let encoded_value = closing_signed.encode();
-		let target_value = hex::decode("020202020202020202020202020202020202020202020202020202020202020200083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+		let target_value = <Vec<u8>>::from_hex("020202020202020202020202020202020202020202020202020202020202020200083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
 		assert_eq!(encoded_value, target_value);
 		assert_eq!(msgs::ClosingSigned::read(&mut Cursor::new(&target_value)).unwrap(), closing_signed);
 
@@ -3349,7 +4084,7 @@ mod tests {
 			}),
 		};
 		let encoded_value_with_range = closing_signed_with_range.encode();
-		let target_value_with_range = hex::decode("020202020202020202020202020202020202020202020202020202020202020200083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a011000000000deadbeef1badcafe01234567").unwrap();
+		let target_value_with_range = <Vec<u8>>::from_hex("020202020202020202020202020202020202020202020202020202020202020200083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a011000000000deadbeef1badcafe01234567").unwrap();
 		assert_eq!(encoded_value_with_range, target_value_with_range);
 		assert_eq!(msgs::ClosingSigned::read(&mut Cursor::new(&target_value_with_range)).unwrap(),
 			closing_signed_with_range);
@@ -3373,9 +4108,10 @@ mod tests {
 			cltv_expiry: 821716,
 			onion_routing_packet,
 			skimmed_fee_msat: None,
+			blinding_point: None,
 		};
 		let encoded_value = update_add_htlc.encode();
-		let target_value = hex::decode("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").unwrap();
+		let target_value = <Vec<u8>>::from_hex("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").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3387,7 +4123,7 @@ mod tests {
 			payment_preimage: PaymentPreimage([1; 32]),
 		};
 		let encoded_value = update_fulfill_htlc.encode();
-		let target_value = hex::decode("020202020202020202020202020202020202020202020202020202020202020200083a840000034d0101010101010101010101010101010101010101010101010101010101010101").unwrap();
+		let target_value = <Vec<u8>>::from_hex("020202020202020202020202020202020202020202020202020202020202020200083a840000034d0101010101010101010101010101010101010101010101010101010101010101").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3402,7 +4138,7 @@ mod tests {
 			reason
 		};
 		let encoded_value = update_fail_htlc.encode();
-		let target_value = hex::decode("020202020202020202020202020202020202020202020202020202020202020200083a840000034d00200101010101010101010101010101010101010101010101010101010101010101").unwrap();
+		let target_value = <Vec<u8>>::from_hex("020202020202020202020202020202020202020202020202020202020202020200083a840000034d00200101010101010101010101010101010101010101010101010101010101010101").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3415,7 +4151,7 @@ mod tests {
 			failure_code: 255
 		};
 		let encoded_value = update_fail_malformed_htlc.encode();
-		let target_value = hex::decode("020202020202020202020202020202020202020202020202020202020202020200083a840000034d010101010101010101010101010101010101010101010101010101010101010100ff").unwrap();
+		let target_value = <Vec<u8>>::from_hex("020202020202020202020202020202020202020202020202020202020202020200083a840000034d010101010101010101010101010101010101010101010101010101010101010100ff").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3437,11 +4173,11 @@ mod tests {
 			partial_signature_with_nonce: None,
 		};
 		let encoded_value = commitment_signed.encode();
-		let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+		let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
 		if htlcs {
-			target_value.append(&mut hex::decode("00031735b6a427e80d5fe7cd90a2f4ee08dc9c27cda7c35a4172e5d85b12c49d4232537e98f9b1f3c5e6989a8b9644e90e8918127680dbd0d4043510840fc0f1e11a216c280b5395a2546e7e4b2663e04f811622f15a4f91e83aa2e92ba2a573c139142c54ae63072a1ec1ee7dc0c04bde5c847806172aa05c92c22ae8e308d1d2692b12cc195ce0a2d1bda6a88befa19fa07f51caa75ce83837f28965600b8aacab0855ffb0e741ec5f7c41421e9829a9d48611c8c831f71be5ea73e66594977ffd").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("00031735b6a427e80d5fe7cd90a2f4ee08dc9c27cda7c35a4172e5d85b12c49d4232537e98f9b1f3c5e6989a8b9644e90e8918127680dbd0d4043510840fc0f1e11a216c280b5395a2546e7e4b2663e04f811622f15a4f91e83aa2e92ba2a573c139142c54ae63072a1ec1ee7dc0c04bde5c847806172aa05c92c22ae8e308d1d2692b12cc195ce0a2d1bda6a88befa19fa07f51caa75ce83837f28965600b8aacab0855ffb0e741ec5f7c41421e9829a9d48611c8c831f71be5ea73e66594977ffd").unwrap());
 		} else {
-			target_value.append(&mut hex::decode("0000").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("0000").unwrap());
 		}
 		assert_eq!(encoded_value, target_value);
 	}
@@ -3464,7 +4200,7 @@ mod tests {
 			next_local_nonce: None,
 		};
 		let encoded_value = raa.encode();
-		let target_value = hex::decode("02020202020202020202020202020202020202020202020202020202020202020101010101010101010101010101010101010101010101010101010101010101031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap();
+		let target_value = <Vec<u8>>::from_hex("02020202020202020202020202020202020202020202020202020202020202020101010101010101010101010101010101010101010101010101010101010101031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3475,42 +4211,42 @@ mod tests {
 			feerate_per_kw: 20190119,
 		};
 		let encoded_value = update_fee.encode();
-		let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202013413a7").unwrap();
+		let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202013413a7").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
 	#[test]
 	fn encoding_init() {
-		let mainnet_hash = ChainHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap();
+		let mainnet_hash = ChainHash::using_genesis_block(Network::Bitcoin);
 		assert_eq!(msgs::Init {
 			features: InitFeatures::from_le_bytes(vec![0xFF, 0xFF, 0xFF]),
 			networks: Some(vec![mainnet_hash]),
 			remote_network_address: None,
-		}.encode(), hex::decode("00023fff0003ffffff01206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+		}.encode(), <Vec<u8>>::from_hex("00023fff0003ffffff01206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
 		assert_eq!(msgs::Init {
 			features: InitFeatures::from_le_bytes(vec![0xFF]),
 			networks: None,
 			remote_network_address: None,
-		}.encode(), hex::decode("0001ff0001ff").unwrap());
+		}.encode(), <Vec<u8>>::from_hex("0001ff0001ff").unwrap());
 		assert_eq!(msgs::Init {
 			features: InitFeatures::from_le_bytes(vec![]),
 			networks: Some(vec![mainnet_hash]),
 			remote_network_address: None,
-		}.encode(), hex::decode("0000000001206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+		}.encode(), <Vec<u8>>::from_hex("0000000001206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
 		assert_eq!(msgs::Init {
 			features: InitFeatures::from_le_bytes(vec![]),
-			networks: Some(vec![ChainHash::from(&[1; 32][..]), ChainHash::from(&[2; 32][..])]),
+			networks: Some(vec![ChainHash::from(&[1; 32]), ChainHash::from(&[2; 32])]),
 			remote_network_address: None,
-		}.encode(), hex::decode("00000000014001010101010101010101010101010101010101010101010101010101010101010202020202020202020202020202020202020202020202020202020202020202").unwrap());
+		}.encode(), <Vec<u8>>::from_hex("00000000014001010101010101010101010101010101010101010101010101010101010101010202020202020202020202020202020202020202020202020202020202020202").unwrap());
 		let init_msg = msgs::Init { features: InitFeatures::from_le_bytes(vec![]),
 			networks: Some(vec![mainnet_hash]),
-			remote_network_address: Some(msgs::NetAddress::IPv4 {
+			remote_network_address: Some(SocketAddress::TcpIpV4 {
 				addr: [127, 0, 0, 1],
 				port: 1000,
 			}),
 		};
 		let encoded_value = init_msg.encode();
-		let target_value = hex::decode("0000000001206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d61900000000000307017f00000103e8").unwrap();
+		let target_value = <Vec<u8>>::from_hex("0000000001206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d61900000000000307017f00000103e8").unwrap();
 		assert_eq!(encoded_value, target_value);
 		assert_eq!(msgs::Init::read(&mut Cursor::new(&target_value)).unwrap(), init_msg);
 	}
@@ -3522,7 +4258,7 @@ mod tests {
 			data: String::from("rust-lightning"),
 		};
 		let encoded_value = error.encode();
-		let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202000e727573742d6c696768746e696e67").unwrap();
+		let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202000e727573742d6c696768746e696e67").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3533,7 +4269,7 @@ mod tests {
 			data: String::from("rust-lightning"),
 		};
 		let encoded_value = error.encode();
-		let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202000e727573742d6c696768746e696e67").unwrap();
+		let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202000e727573742d6c696768746e696e67").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3544,7 +4280,7 @@ mod tests {
 			byteslen: 64
 		};
 		let encoded_value = ping.encode();
-		let target_value = hex::decode("0040004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").unwrap();
+		let target_value = <Vec<u8>>::from_hex("0040004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3554,7 +4290,7 @@ mod tests {
 			byteslen: 64
 		};
 		let encoded_value = pong.encode();
-		let target_value = hex::decode("004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").unwrap();
+		let target_value = <Vec<u8>>::from_hex("004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").unwrap();
 		assert_eq!(encoded_value, target_value);
 	}
 
@@ -3566,11 +4302,14 @@ mod tests {
 			outgoing_cltv_value: 0xffffffff,
 		};
 		let encoded_value = outbound_msg.encode();
-		let target_value = hex::decode("1a02080badf00d010203040404ffffffff0608deadbeef1bad1dea").unwrap();
+		let target_value = <Vec<u8>>::from_hex("1a02080badf00d010203040404ffffffff0608deadbeef1bad1dea").unwrap();
 		assert_eq!(encoded_value, target_value);
 
-		let inbound_msg = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
-		if let msgs::InboundOnionPayload::Forward { short_channel_id, amt_to_forward, outgoing_cltv_value } = inbound_msg {
+		let node_signer = test_utils::TestKeysInterface::new(&[42; 32], Network::Testnet);
+		let inbound_msg = ReadableArgs::read(&mut Cursor::new(&target_value[..]), (None, &&node_signer)).unwrap();
+		if let msgs::InboundOnionPayload::Forward {
+			short_channel_id, amt_to_forward, outgoing_cltv_value
+		} = inbound_msg {
 			assert_eq!(short_channel_id, 0xdeadbeef1bad1dea);
 			assert_eq!(amt_to_forward, 0x0badf00d01020304);
 			assert_eq!(outgoing_cltv_value, 0xffffffff);
@@ -3583,18 +4322,21 @@ mod tests {
 			payment_data: None,
 			payment_metadata: None,
 			keysend_preimage: None,
-			amt_msat: 0x0badf00d01020304,
-			outgoing_cltv_value: 0xffffffff,
+			sender_intended_htlc_amt_msat: 0x0badf00d01020304,
+			cltv_expiry_height: 0xffffffff,
 			custom_tlvs: vec![],
 		};
 		let encoded_value = outbound_msg.encode();
-		let target_value = hex::decode("1002080badf00d010203040404ffffffff").unwrap();
+		let target_value = <Vec<u8>>::from_hex("1002080badf00d010203040404ffffffff").unwrap();
 		assert_eq!(encoded_value, target_value);
 
-		let inbound_msg = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
-		if let msgs::InboundOnionPayload::Receive { payment_data: None, amt_msat, outgoing_cltv_value, .. } = inbound_msg {
-			assert_eq!(amt_msat, 0x0badf00d01020304);
-			assert_eq!(outgoing_cltv_value, 0xffffffff);
+		let node_signer = test_utils::TestKeysInterface::new(&[42; 32], Network::Testnet);
+		let inbound_msg = ReadableArgs::read(&mut Cursor::new(&target_value[..]), (None, &&node_signer)).unwrap();
+		if let msgs::InboundOnionPayload::Receive {
+			payment_data: None, sender_intended_htlc_amt_msat, cltv_expiry_height, ..
+		} = inbound_msg {
+			assert_eq!(sender_intended_htlc_amt_msat, 0x0badf00d01020304);
+			assert_eq!(cltv_expiry_height, 0xffffffff);
 		} else { panic!(); }
 	}
 
@@ -3608,28 +4350,29 @@ mod tests {
 			}),
 			payment_metadata: None,
 			keysend_preimage: None,
-			amt_msat: 0x0badf00d01020304,
-			outgoing_cltv_value: 0xffffffff,
+			sender_intended_htlc_amt_msat: 0x0badf00d01020304,
+			cltv_expiry_height: 0xffffffff,
 			custom_tlvs: vec![],
 		};
 		let encoded_value = outbound_msg.encode();
-		let target_value = hex::decode("3602080badf00d010203040404ffffffff082442424242424242424242424242424242424242424242424242424242424242421badca1f").unwrap();
+		let target_value = <Vec<u8>>::from_hex("3602080badf00d010203040404ffffffff082442424242424242424242424242424242424242424242424242424242424242421badca1f").unwrap();
 		assert_eq!(encoded_value, target_value);
 
-		let inbound_msg = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
+		let node_signer = test_utils::TestKeysInterface::new(&[42; 32], Network::Testnet);
+		let inbound_msg = ReadableArgs::read(&mut Cursor::new(&target_value[..]), (None, &&node_signer)).unwrap();
 		if let msgs::InboundOnionPayload::Receive {
 			payment_data: Some(FinalOnionHopData {
 				payment_secret,
 				total_msat: 0x1badca1f
 			}),
-			amt_msat, outgoing_cltv_value,
+			sender_intended_htlc_amt_msat, cltv_expiry_height,
 			payment_metadata: None,
 			keysend_preimage: None,
 			custom_tlvs,
 		} = inbound_msg  {
 			assert_eq!(payment_secret, expected_payment_secret);
-			assert_eq!(amt_msat, 0x0badf00d01020304);
-			assert_eq!(outgoing_cltv_value, 0xffffffff);
+			assert_eq!(sender_intended_htlc_amt_msat, 0x0badf00d01020304);
+			assert_eq!(cltv_expiry_height, 0xffffffff);
 			assert_eq!(custom_tlvs, vec![]);
 		} else { panic!(); }
 	}
@@ -3647,11 +4390,12 @@ mod tests {
 			payment_metadata: None,
 			keysend_preimage: None,
 			custom_tlvs: bad_type_range_tlvs,
-			amt_msat: 0x0badf00d01020304,
-			outgoing_cltv_value: 0xffffffff,
+			sender_intended_htlc_amt_msat: 0x0badf00d01020304,
+			cltv_expiry_height: 0xffffffff,
 		};
 		let encoded_value = msg.encode();
-		assert!(msgs::InboundOnionPayload::read(&mut Cursor::new(&encoded_value[..])).is_err());
+		let node_signer = test_utils::TestKeysInterface::new(&[42; 32], Network::Testnet);
+		assert!(msgs::InboundOnionPayload::read(&mut Cursor::new(&encoded_value[..]), (None, &&node_signer)).is_err());
 		let good_type_range_tlvs = vec![
 			((1 << 16) - 3, vec![42]),
 			((1 << 16) - 1, vec![42; 32]),
@@ -3660,7 +4404,7 @@ mod tests {
 			*custom_tlvs = good_type_range_tlvs.clone();
 		}
 		let encoded_value = msg.encode();
-		let inbound_msg = Readable::read(&mut Cursor::new(&encoded_value[..])).unwrap();
+		let inbound_msg = ReadableArgs::read(&mut Cursor::new(&encoded_value[..]), (None, &&node_signer)).unwrap();
 		match inbound_msg {
 			msgs::InboundOnionPayload::Receive { custom_tlvs, .. } => assert!(custom_tlvs.is_empty()),
 			_ => panic!(),
@@ -3678,28 +4422,87 @@ mod tests {
 			payment_metadata: None,
 			keysend_preimage: None,
 			custom_tlvs: expected_custom_tlvs.clone(),
-			amt_msat: 0x0badf00d01020304,
-			outgoing_cltv_value: 0xffffffff,
+			sender_intended_htlc_amt_msat: 0x0badf00d01020304,
+			cltv_expiry_height: 0xffffffff,
 		};
 		let encoded_value = msg.encode();
-		let target_value = hex::decode("2e02080badf00d010203040404ffffffffff0000000146c6616b021234ff0000000146c6616f084242424242424242").unwrap();
+		let target_value = <Vec<u8>>::from_hex("2e02080badf00d010203040404ffffffffff0000000146c6616b021234ff0000000146c6616f084242424242424242").unwrap();
 		assert_eq!(encoded_value, target_value);
-		let inbound_msg: msgs::InboundOnionPayload = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
+		let node_signer = test_utils::TestKeysInterface::new(&[42; 32], Network::Testnet);
+		let inbound_msg: msgs::InboundOnionPayload = ReadableArgs::read(&mut Cursor::new(&target_value[..]), (None, &&node_signer)).unwrap();
 		if let msgs::InboundOnionPayload::Receive {
 			payment_data: None,
 			payment_metadata: None,
 			keysend_preimage: None,
 			custom_tlvs,
-			amt_msat,
-			outgoing_cltv_value,
+			sender_intended_htlc_amt_msat,
+			cltv_expiry_height: outgoing_cltv_value,
 			..
 		} = inbound_msg {
 			assert_eq!(custom_tlvs, expected_custom_tlvs);
-			assert_eq!(amt_msat, 0x0badf00d01020304);
+			assert_eq!(sender_intended_htlc_amt_msat, 0x0badf00d01020304);
 			assert_eq!(outgoing_cltv_value, 0xffffffff);
 		} else { panic!(); }
 	}
 
+	#[test]
+	fn encoding_final_onion_hop_data_with_trampoline_packet() {
+		let secp_ctx = Secp256k1::new();
+		let (_private_key, public_key) = get_keys_from!("0101010101010101010101010101010101010101010101010101010101010101", secp_ctx);
+
+		let compressed_public_key = public_key.serialize();
+		assert_eq!(compressed_public_key.len(), 33);
+
+		let trampoline_packet = TrampolineOnionPacket {
+			version: 0,
+			public_key,
+			hop_data: vec![1; 650], // this should be the standard encoded length
+			hmac: [2; 32],
+		};
+		let encoded_trampoline_packet = trampoline_packet.encode();
+		assert_eq!(encoded_trampoline_packet.len(), 716);
+
+		let msg = msgs::OutboundOnionPayload::TrampolineEntrypoint {
+			multipath_trampoline_data: None,
+			amt_to_forward: 0x0badf00d01020304,
+			outgoing_cltv_value: 0xffffffff,
+			trampoline_packet,
+		};
+		let encoded_payload = msg.encode();
+
+		let trampoline_type_bytes = &encoded_payload[19..=19];
+		let mut trampoline_type_cursor = Cursor::new(trampoline_type_bytes);
+		let trampoline_type_big_size: BigSize = Readable::read(&mut trampoline_type_cursor).unwrap();
+		assert_eq!(trampoline_type_big_size.0, 20);
+
+		let trampoline_length_bytes = &encoded_payload[20..=22];
+		let mut trampoline_length_cursor = Cursor::new(trampoline_length_bytes);
+		let trampoline_length_big_size: BigSize = Readable::read(&mut trampoline_length_cursor).unwrap();
+		assert_eq!(trampoline_length_big_size.0, encoded_trampoline_packet.len() as u64);
+	}
+
+	#[test]
+	fn encoding_final_onion_hop_data_with_eclair_trampoline_packet() {
+		let public_key = PublicKey::from_slice(&<Vec<u8>>::from_hex("02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619").unwrap()).unwrap();
+		let hop_data = <Vec<u8>>::from_hex("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").unwrap();
+		let hmac_vector = <Vec<u8>>::from_hex("bb079bfc4b35190eee9f59a1d7b41ba2f773179f322dafb4b1af900c289ebd6c").unwrap();
+		let mut hmac = [0; 32];
+		hmac.copy_from_slice(&hmac_vector);
+
+		let compressed_public_key = public_key.serialize();
+		assert_eq!(compressed_public_key.len(), 33);
+
+		let trampoline_packet = TrampolineOnionPacket {
+			version: 0,
+			public_key,
+			hop_data,
+			hmac,
+		};
+		let encoded_trampoline_packet = trampoline_packet.encode();
+		let expected_eclair_trampoline_packet = <Vec<u8>>::from_hex("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").unwrap();
+		assert_eq!(encoded_trampoline_packet, expected_eclair_trampoline_packet);
+	}
+
 	#[test]
 	fn query_channel_range_end_blocknum() {
 		let tests: Vec<(u32, u32, u32)> = vec![
@@ -3710,7 +4513,7 @@ mod tests {
 
 		for (first_blocknum, number_of_blocks, expected) in tests.into_iter() {
 			let sut = msgs::QueryChannelRange {
-				chain_hash: BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap(),
+				chain_hash: ChainHash::using_genesis_block(Network::Regtest),
 				first_blocknum,
 				number_of_blocks,
 			};
@@ -3721,12 +4524,12 @@ mod tests {
 	#[test]
 	fn encoding_query_channel_range() {
 		let mut query_channel_range = msgs::QueryChannelRange {
-			chain_hash: BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap(),
+			chain_hash: ChainHash::using_genesis_block(Network::Regtest),
 			first_blocknum: 100000,
 			number_of_blocks: 1500,
 		};
 		let encoded_value = query_channel_range.encode();
-		let target_value = hex::decode("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206000186a0000005dc").unwrap();
+		let target_value = <Vec<u8>>::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f000186a0000005dc").unwrap();
 		assert_eq!(encoded_value, target_value);
 
 		query_channel_range = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
@@ -3741,8 +4544,8 @@ mod tests {
 	}
 
 	fn do_encoding_reply_channel_range(encoding_type: u8) {
-		let mut target_value = hex::decode("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206000b8a06000005dc01").unwrap();
-		let expected_chain_hash = BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
+		let mut target_value = <Vec<u8>>::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f000b8a06000005dc01").unwrap();
+		let expected_chain_hash = ChainHash::using_genesis_block(Network::Regtest);
 		let mut reply_channel_range = msgs::ReplyChannelRange {
 			chain_hash: expected_chain_hash,
 			first_blocknum: 756230,
@@ -3752,7 +4555,7 @@ mod tests {
 		};
 
 		if encoding_type == 0 {
-			target_value.append(&mut hex::decode("001900000000000000008e0000000000003c69000000000045a6c4").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("001900000000000000008e0000000000003c69000000000045a6c4").unwrap());
 			let encoded_value = reply_channel_range.encode();
 			assert_eq!(encoded_value, target_value);
 
@@ -3765,7 +4568,7 @@ mod tests {
 			assert_eq!(reply_channel_range.short_channel_ids[1], 0x0000000000003c69);
 			assert_eq!(reply_channel_range.short_channel_ids[2], 0x000000000045a6c4);
 		} else {
-			target_value.append(&mut hex::decode("001601789c636000833e08659309a65878be010010a9023a").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("001601789c636000833e08659309a65878be010010a9023a").unwrap());
 			let result: Result<msgs::ReplyChannelRange, msgs::DecodeError> = Readable::read(&mut Cursor::new(&target_value[..]));
 			assert!(result.is_err(), "Expected decode failure with unsupported zlib encoding");
 		}
@@ -3778,15 +4581,15 @@ mod tests {
 	}
 
 	fn do_encoding_query_short_channel_ids(encoding_type: u8) {
-		let mut target_value = hex::decode("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206").unwrap();
-		let expected_chain_hash = BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
+		let mut target_value = <Vec<u8>>::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
+		let expected_chain_hash = ChainHash::using_genesis_block(Network::Regtest);
 		let mut query_short_channel_ids = msgs::QueryShortChannelIds {
 			chain_hash: expected_chain_hash,
 			short_channel_ids: vec![0x0000000000008e, 0x0000000000003c69, 0x000000000045a6c4],
 		};
 
 		if encoding_type == 0 {
-			target_value.append(&mut hex::decode("001900000000000000008e0000000000003c69000000000045a6c4").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("001900000000000000008e0000000000003c69000000000045a6c4").unwrap());
 			let encoded_value = query_short_channel_ids.encode();
 			assert_eq!(encoded_value, target_value);
 
@@ -3796,7 +4599,7 @@ mod tests {
 			assert_eq!(query_short_channel_ids.short_channel_ids[1], 0x0000000000003c69);
 			assert_eq!(query_short_channel_ids.short_channel_ids[2], 0x000000000045a6c4);
 		} else {
-			target_value.append(&mut hex::decode("001601789c636000833e08659309a65878be010010a9023a").unwrap());
+			target_value.append(&mut <Vec<u8>>::from_hex("001601789c636000833e08659309a65878be010010a9023a").unwrap());
 			let result: Result<msgs::QueryShortChannelIds, msgs::DecodeError> = Readable::read(&mut Cursor::new(&target_value[..]));
 			assert!(result.is_err(), "Expected decode failure with unsupported zlib encoding");
 		}
@@ -3804,13 +4607,13 @@ mod tests {
 
 	#[test]
 	fn encoding_reply_short_channel_ids_end() {
-		let expected_chain_hash = BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
+		let expected_chain_hash = ChainHash::using_genesis_block(Network::Regtest);
 		let mut reply_short_channel_ids_end = msgs::ReplyShortChannelIdsEnd {
 			chain_hash: expected_chain_hash,
 			full_information: true,
 		};
 		let encoded_value = reply_short_channel_ids_end.encode();
-		let target_value = hex::decode("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e220601").unwrap();
+		let target_value = <Vec<u8>>::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f01").unwrap();
 		assert_eq!(encoded_value, target_value);
 
 		reply_short_channel_ids_end = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
@@ -3820,14 +4623,14 @@ mod tests {
 
 	#[test]
 	fn encoding_gossip_timestamp_filter(){
-		let expected_chain_hash = BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
+		let expected_chain_hash = ChainHash::using_genesis_block(Network::Regtest);
 		let mut gossip_timestamp_filter = msgs::GossipTimestampFilter {
 			chain_hash: expected_chain_hash,
 			first_timestamp: 1590000000,
 			timestamp_range: 0xffff_ffff,
 		};
 		let encoded_value = gossip_timestamp_filter.encode();
-		let target_value = hex::decode("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e22065ec57980ffffffff").unwrap();
+		let target_value = <Vec<u8>>::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f5ec57980ffffffff").unwrap();
 		assert_eq!(encoded_value, target_value);
 
 		gossip_timestamp_filter = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
@@ -3847,7 +4650,10 @@ mod tests {
 		// payload length to be encoded over multiple bytes rather than a single u8.
 		let big_payload = encode_big_payload().unwrap();
 		let mut rd = Cursor::new(&big_payload[..]);
-		<msgs::InboundOnionPayload as Readable>::read(&mut rd).unwrap();
+
+		let node_signer = test_utils::TestKeysInterface::new(&[42; 32], Network::Testnet);
+		<msgs::InboundOnionPayload as ReadableArgs<(Option<PublicKey>, &&test_utils::TestKeysInterface)>>
+			::read(&mut rd, (None, &&node_signer)).unwrap();
 	}
 	// see above test, needs to be a separate method for use of the serialization macros.
 	fn encode_big_payload() -> Result<Vec<u8>, io::Error> {
@@ -3869,4 +4675,74 @@ mod tests {
 		}
 		Ok(encoded_payload)
 	}
+
+	#[test]
+	#[cfg(feature = "std")]
+	fn test_socket_address_from_str() {
+		let tcpip_v4 = SocketAddress::TcpIpV4 {
+			addr: Ipv4Addr::new(127, 0, 0, 1).octets(),
+			port: 1234,
+		};
+		assert_eq!(tcpip_v4, SocketAddress::from_str("127.0.0.1:1234").unwrap());
+		assert_eq!(tcpip_v4, SocketAddress::from_str(&tcpip_v4.to_string()).unwrap());
+
+		let tcpip_v6 = SocketAddress::TcpIpV6 {
+			addr: Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1).octets(),
+			port: 1234,
+		};
+		assert_eq!(tcpip_v6, SocketAddress::from_str("[0:0:0:0:0:0:0:1]:1234").unwrap());
+		assert_eq!(tcpip_v6, SocketAddress::from_str(&tcpip_v6.to_string()).unwrap());
+
+		let hostname = SocketAddress::Hostname {
+				hostname: Hostname::try_from("lightning-node.mydomain.com".to_string()).unwrap(),
+				port: 1234,
+		};
+		assert_eq!(hostname, SocketAddress::from_str("lightning-node.mydomain.com:1234").unwrap());
+		assert_eq!(hostname, SocketAddress::from_str(&hostname.to_string()).unwrap());
+
+		let onion_v2 = SocketAddress::OnionV2 ([40, 4, 64, 185, 202, 19, 162, 75, 90, 200, 38, 7],);
+		assert_eq!("OnionV2([40, 4, 64, 185, 202, 19, 162, 75, 90, 200, 38, 7])", &onion_v2.to_string());
+		assert_eq!(Err(SocketAddressParseError::InvalidOnionV3), SocketAddress::from_str("FACEBOOKCOREWWWI.onion:9735"));
+
+		let onion_v3 = SocketAddress::OnionV3 {
+			ed25519_pubkey: [37, 24, 75, 5, 25, 73, 117, 194, 139, 102, 182, 107, 4, 105, 247, 246, 85,
+			111, 177, 172, 49, 137, 167, 155, 64, 221, 163, 47, 31, 33, 71, 3],
+			checksum: 48326,
+			version: 121,
+			port: 1234
+		};
+		assert_eq!(onion_v3, SocketAddress::from_str("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion:1234").unwrap());
+		assert_eq!(onion_v3, SocketAddress::from_str(&onion_v3.to_string()).unwrap());
+
+		assert_eq!(Err(SocketAddressParseError::InvalidOnionV3), SocketAddress::from_str("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6.onion:1234"));
+		assert_eq!(Err(SocketAddressParseError::InvalidInput), SocketAddress::from_str("127.0.0.1@1234"));
+		assert_eq!(Err(SocketAddressParseError::InvalidInput), "".parse::<SocketAddress>());
+		assert!(SocketAddress::from_str("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion.onion:9735:94").is_err());
+		assert!(SocketAddress::from_str("wrong$%#.com:1234").is_err());
+		assert_eq!(Err(SocketAddressParseError::InvalidPort), SocketAddress::from_str("example.com:wrong"));
+		assert!("localhost".parse::<SocketAddress>().is_err());
+		assert!("localhost:invalid-port".parse::<SocketAddress>().is_err());
+		assert!( "invalid-onion-v3-hostname.onion:8080".parse::<SocketAddress>().is_err());
+		assert!("b32.example.onion:invalid-port".parse::<SocketAddress>().is_err());
+		assert!("invalid-address".parse::<SocketAddress>().is_err());
+		assert!(SocketAddress::from_str("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion.onion:1234").is_err());
+	}
+
+	#[test]
+	#[cfg(feature = "std")]
+	fn test_socket_address_to_socket_addrs() {
+		assert_eq!(SocketAddress::TcpIpV4 {addr:[0u8; 4], port: 1337,}.to_socket_addrs().unwrap().next().unwrap(),
+				   SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(0,0,0,0), 1337)));
+		assert_eq!(SocketAddress::TcpIpV6 {addr:[0u8; 16], port: 1337,}.to_socket_addrs().unwrap().next().unwrap(),
+				   SocketAddr::V6(SocketAddrV6::new(Ipv6Addr::from([0u8; 16]), 1337, 0, 0)));
+		assert_eq!(SocketAddress::Hostname { hostname: Hostname::try_from("0.0.0.0".to_string()).unwrap(), port: 0 }
+					   .to_socket_addrs().unwrap().next().unwrap(), SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::from([0u8; 4]),0)));
+		assert!(SocketAddress::OnionV2([0u8; 12]).to_socket_addrs().is_err());
+		assert!(SocketAddress::OnionV3{ ed25519_pubkey: [37, 24, 75, 5, 25, 73, 117, 194, 139, 102,
+			182, 107, 4, 105, 247, 246, 85, 111, 177, 172, 49, 137, 167, 155, 64, 221, 163, 47, 31,
+			33, 71, 3],
+			checksum: 48326,
+			version: 121,
+			port: 1234 }.to_socket_addrs().is_err());
+	}
 }