use bitcoin::secp256k1::PublicKey;
use bitcoin::secp256k1::ecdsa::Signature;
-use bitcoin::secp256k1;
+use bitcoin::{secp256k1, Witness, Transaction};
use bitcoin::blockdata::script::Script;
use bitcoin::hash_types::{Txid, BlockHash};
/// An [`open_channel`] message to be sent to or received from a peer.
///
+/// Used in V1 channel establishment
+///
/// [`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 {
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 {
+ /// 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 temporary_channel_id: [u8; 32],
+ /// 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
+ pub funding_satoshis: u64,
+ /// The threshold below which outputs on transactions broadcast by the channel initiator will be
+ /// omitted
+ pub dust_limit_satoshis: u64,
+ /// The maximum inbound HTLC value in flight towards channel initiator, in milli-satoshi
+ 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 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
+ pub revocation_basepoint: PublicKey,
+ /// A payment key to channel initiator for transactions broadcast by counterparty
+ pub payment_basepoint: PublicKey,
+ /// Used to derive a payment key to channel initiator for transactions broadcast by channel
+ /// initiator
+ pub delayed_payment_basepoint: PublicKey,
+ /// Used to derive an HTLC payment key to channel initiator
+ 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
+ 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 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.
///
+/// 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 {
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, PartialEq, Eq)]
+pub struct AcceptChannelV2 {
+ /// The same `temporary_channel_id` received from the initiator's `open_channel2` message.
+ pub temporary_channel_id: [u8; 32],
+ /// 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
+ pub max_htlc_value_in_flight_msat: u64,
+ /// The minimum HTLC size incoming to channel acceptor, 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 channel acceptor
+ pub max_accepted_htlcs: u16,
+ /// The channel acceptor'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 channel acceptor for transactions broadcast by counterparty
+ pub payment_basepoint: PublicKey,
+ /// Used to derive a payment key to channel acceptor for transactions broadcast by channel
+ /// acceptor
+ pub delayed_payment_basepoint: PublicKey,
+ /// Used to derive an HTLC payment key to channel acceptor for transactions broadcast by counterparty
+ 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>,
+ /// 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`].
+ pub channel_type: Option<ChannelTypeFeatures>,
+ /// Optionally, a requirement that only confirmed inputs can be added
+ pub require_confirmed_inputs: Option<()>,
+}
+
/// A [`funding_created`] message to be sent to or received from a peer.
///
+/// 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)]
pub struct FundingCreated {
/// A [`funding_signed`] message to be sent to or received from a peer.
///
+/// 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)]
pub struct FundingSigned {
pub short_channel_id_alias: Option<u64>,
}
+/// A wrapper for a `Transaction` which can only be constructed with [`TransactionU16LenLimited::new`]
+/// if the `Transaction`'s consensus-serialized length is <= u16::MAX.
+///
+/// Use [`TransactionU16LenLimited::into_transaction`] to convert into the contained `Transaction`.
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct TransactionU16LenLimited(Transaction);
+
+impl TransactionU16LenLimited {
+ /// Constructs a new `TransactionU16LenLimited` from a `Transaction` only if it's consensus-
+ /// serialized length is <= u16::MAX.
+ pub fn new(transaction: Transaction) -> Result<Self, ()> {
+ if transaction.serialized_length() > (u16::MAX as usize) {
+ Err(())
+ } else {
+ Ok(Self(transaction))
+ }
+ }
+
+ /// Consumes this `TransactionU16LenLimited` and returns its contained `Transaction`.
+ pub fn into_transaction(self) -> Transaction {
+ self.0
+ }
+}
+
+impl Writeable for TransactionU16LenLimited {
+ fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
+ (self.0.serialized_length() as u16).write(w)?;
+ self.0.write(w)
+ }
+}
+
+impl Readable for TransactionU16LenLimited {
+ fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
+ let len = <u16 as Readable>::read(r)?;
+ let mut tx_reader = FixedLengthReader::new(r, len as u64);
+ Ok(Self(Readable::read(&mut tx_reader)?))
+ }
+}
+
+/// 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)]
+pub struct TxAddInput {
+ /// The channel ID
+ pub channel_id: [u8; 32],
+ /// A randomly chosen unique identifier for this input, which is even for initiators and odd for
+ /// non-initiators.
+ pub serial_id: u64,
+ /// Serialized transaction that contains the output this input spends to verify that it is non
+ /// malleable.
+ pub prevtx: TransactionU16LenLimited,
+ /// The index of the output being spent
+ pub prevtx_out: u32,
+ /// The sequence number of this input
+ pub sequence: u32,
+}
+
+/// 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)]
+pub struct TxAddOutput {
+ /// The channel ID
+ pub channel_id: [u8; 32],
+ /// A randomly chosen unique identifier for this output, which is even for initiators and odd for
+ /// non-initiators.
+ pub serial_id: u64,
+ /// The satoshi value of the output
+ pub sats: u64,
+ /// The scriptPubKey for the output
+ pub script: Script,
+}
+
+/// 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)]
+pub struct TxRemoveInput {
+ /// The channel ID
+ pub channel_id: [u8; 32],
+ /// The serial ID of the input to be removed
+ pub serial_id: u64,
+}
+
+/// 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)]
+pub struct TxRemoveOutput {
+ /// The channel ID
+ pub channel_id: [u8; 32],
+ /// The serial ID of the output to be removed
+ pub serial_id: u64,
+}
+
+/// 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)]
+pub struct TxComplete {
+ /// The channel ID
+ pub channel_id: [u8; 32],
+}
+
+/// A tx_signatures message containing the sender's signatures for a transaction constructed with
+/// interactive transaction construction.
+///
+// TODO(dual_funding): Add spec link for `tx_signatures`.
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct TxSignatures {
+ /// The channel ID
+ pub channel_id: [u8; 32],
+ /// The TXID
+ pub tx_hash: Txid,
+ /// The list of witnesses
+ pub witnesses: Vec<Witness>,
+}
+
+/// A tx_init_rbf message which initiates a replacement of the transaction after it's been
+/// completed.
+///
+// TODO(dual_funding): Add spec link for `tx_init_rbf`.
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct TxInitRbf {
+ /// The channel ID
+ pub channel_id: [u8; 32],
+ /// The locktime of the transaction
+ pub locktime: u32,
+ /// The feerate of the transaction
+ pub feerate_sat_per_1000_weight: u32,
+ /// The number of satoshis the sender will contribute to or, if negative, remove from
+ /// (e.g. splice-out) the funding output of the transaction
+ pub funding_output_contribution: Option<i64>,
+}
+
+/// A tx_ack_rbf message which acknowledges replacement of the transaction after it's been
+/// completed.
+///
+// TODO(dual_funding): Add spec link for `tx_ack_rbf`.
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct TxAckRbf {
+ /// The channel ID
+ pub channel_id: [u8; 32],
+ /// The number of satoshis the sender will contribute to or, if negative, remove from
+ /// (e.g. splice-out) the funding output of the transaction
+ pub funding_output_contribution: Option<i64>,
+}
+
+/// 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)]
+pub struct TxAbort {
+ /// The channel ID
+ pub channel_id: [u8; 32],
+ /// Message data
+ pub data: Vec<u8>,
+}
+
/// 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
pub your_last_per_commitment_secret: [u8; 32],
/// The sender's per-commitment point for their current commitment transaction
pub my_current_per_commitment_point: PublicKey,
+ /// The next funding transaction ID
+ pub next_funding_txid: Option<Txid>,
}
/// An [`announcement_signatures`] message to be sent to or received from a peer.
}
impl Writeable for NetAddress {
- fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
+fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
match self {
&NetAddress::IPv4 { ref addr, ref port } => {
1u8.write(writer)?;
(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,
+ 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!(TxAddInput, {
+ channel_id,
+ serial_id,
+ prevtx,
+ prevtx_out,
+ sequence,
+}, {});
+
+impl_writeable_msg!(TxAddOutput, {
+ channel_id,
+ serial_id,
+ sats,
+ script,
+}, {});
+
+impl_writeable_msg!(TxRemoveInput, {
+ channel_id,
+ serial_id,
+}, {});
+
+impl_writeable_msg!(TxRemoveOutput, {
+ channel_id,
+ serial_id,
+}, {});
+
+impl_writeable_msg!(TxComplete, {
+ channel_id,
+}, {});
+
+impl_writeable_msg!(TxSignatures, {
+ channel_id,
+ tx_hash,
+ witnesses,
+}, {});
+
+impl_writeable_msg!(TxInitRbf, {
+ channel_id,
+ locktime,
+ feerate_sat_per_1000_weight,
+}, {
+ (0, funding_output_contribution, option),
+});
+
+impl_writeable_msg!(TxAckRbf, {
+ channel_id,
+}, {
+ (0, funding_output_contribution, option),
+});
+
+impl_writeable_msg!(TxAbort, {
+ channel_id,
+ data,
+}, {});
+
impl_writeable_msg!(AnnouncementSignatures, {
channel_id,
short_channel_id,
next_remote_commitment_number,
your_last_per_commitment_secret,
my_current_per_commitment_point,
-}, {});
+}, {
+ (0, next_funding_txid, option),
+});
impl_writeable_msg!(ClosingSigned,
{ channel_id, fee_satoshis, signature },
(1, channel_type, option),
});
+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),
+});
+
#[cfg(not(taproot))]
impl_writeable_msg!(RevokeAndACK, {
channel_id,
#[cfg(test)]
mod tests {
+ use bitcoin::{Transaction, PackedLockTime, TxIn, Script, Sequence, Witness, TxOut};
use hex;
use crate::ln::{PaymentPreimage, PaymentHash, PaymentSecret};
use crate::ln::features::{ChannelFeatures, ChannelTypeFeatures, InitFeatures, NodeFeatures};
- use crate::ln::msgs;
+ use crate::ln::msgs::{self, TransactionU16LenLimited};
use crate::ln::msgs::{FinalOnionHopData, OnionErrorPacket, OnionHopDataFormat};
use crate::routing::gossip::{NodeAlias, NodeId};
use crate::util::ser::{Writeable, Readable, Hostname};
use crate::io::{self, Cursor};
use crate::prelude::*;
use core::convert::TryFrom;
+ use core::str::FromStr;
+
+ use crate::chain::transaction::OutPoint;
#[test]
fn encoding_channel_reestablish() {
next_remote_commitment_number: 4,
your_last_per_commitment_secret: [9;32],
my_current_per_commitment_point: public_key,
+ next_funding_txid: None,
+ };
+
+ let encoded_value = cr.encode();
+ assert_eq!(
+ encoded_value,
+ vec![
+ 4, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, // channel_id
+ 0, 0, 0, 0, 0, 0, 0, 3, // next_local_commitment_number
+ 0, 0, 0, 0, 0, 0, 0, 4, // next_remote_commitment_number
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, // your_last_per_commitment_secret
+ 3, 27, 132, 197, 86, 123, 18, 100, 64, 153, 93, 62, 213, 170, 186, 5, 101, 215, 30, 24, 52, 96, 72, 25, 255, 156, 23, 245, 233, 213, 221, 7, 143, // my_current_per_commitment_point
+ ]
+ );
+ }
+
+ #[test]
+ 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())
+ };
+
+ let cr = msgs::ChannelReestablish {
+ channel_id: [4, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0],
+ next_local_commitment_number: 3,
+ 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(&[
+ 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())),
};
let encoded_value = cr.encode();
assert_eq!(
encoded_value,
- vec![4, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 4, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 27, 132, 197, 86, 123, 18, 100, 64, 153, 93, 62, 213, 170, 186, 5, 101, 215, 30, 24, 52, 96, 72, 25, 255, 156, 23, 245, 233, 213, 221, 7, 143]
+ vec![
+ 4, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, // channel_id
+ 0, 0, 0, 0, 0, 0, 0, 3, // next_local_commitment_number
+ 0, 0, 0, 0, 0, 0, 0, 4, // next_remote_commitment_number
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, // your_last_per_commitment_secret
+ 3, 27, 132, 197, 86, 123, 18, 100, 64, 153, 93, 62, 213, 170, 186, 5, 101, 215, 30, 24, 52, 96, 72, 25, 255, 156, 23, 245, 233, 213, 221, 7, 143, // my_current_per_commitment_point
+ 0, // Type (next_funding_txid)
+ 32, // Length
+ 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, // Value
+ ]
);
}
do_encoding_open_channel(true, true, true);
}
+ fn do_encoding_open_channelv2(random_bit: bool, shutdown: bool, incl_chan_type: bool, require_confirmed_inputs: bool) {
+ let secp_ctx = Secp256k1::new();
+ let (_, pubkey_1) = get_keys_from!("0101010101010101010101010101010101010101010101010101010101010101", secp_ctx);
+ let (_, pubkey_2) = get_keys_from!("0202020202020202020202020202020202020202020202020202020202020202", secp_ctx);
+ let (_, pubkey_3) = get_keys_from!("0303030303030303030303030303030303030303030303030303030303030303", secp_ctx);
+ let (_, pubkey_4) = get_keys_from!("0404040404040404040404040404040404040404040404040404040404040404", secp_ctx);
+ let (_, pubkey_5) = get_keys_from!("0505050505050505050505050505050505050505050505050505050505050505", secp_ctx);
+ 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: [2; 32],
+ 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());
+
+ if random_bit {
+ target_value.append(&mut hex::decode("20").unwrap());
+ } else {
+ target_value.append(&mut hex::decode("00").unwrap());
+ }
+ if shutdown {
+ target_value.append(&mut hex::decode("001b").unwrap()); // Type 0 + Length 27
+ target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+ }
+ if incl_chan_type {
+ target_value.append(&mut hex::decode("0100").unwrap());
+ }
+ if require_confirmed_inputs {
+ target_value.append(&mut hex::decode("0200").unwrap());
+ }
+ assert_eq!(encoded_value, target_value);
+ }
+
+ #[test]
+ fn encoding_open_channelv2() {
+ do_encoding_open_channelv2(false, false, false, false);
+ do_encoding_open_channelv2(false, false, false, true);
+ do_encoding_open_channelv2(false, false, true, false);
+ do_encoding_open_channelv2(false, false, true, true);
+ do_encoding_open_channelv2(false, true, false, false);
+ do_encoding_open_channelv2(false, true, false, true);
+ do_encoding_open_channelv2(false, true, true, false);
+ do_encoding_open_channelv2(false, true, true, true);
+ do_encoding_open_channelv2(true, false, false, false);
+ do_encoding_open_channelv2(true, false, false, true);
+ do_encoding_open_channelv2(true, false, true, false);
+ do_encoding_open_channelv2(true, false, true, true);
+ do_encoding_open_channelv2(true, true, false, false);
+ do_encoding_open_channelv2(true, true, false, true);
+ do_encoding_open_channelv2(true, true, true, false);
+ do_encoding_open_channelv2(true, true, true, true);
+ }
+
fn do_encoding_accept_channel(shutdown: bool) {
let secp_ctx = Secp256k1::new();
let (_, pubkey_1) = get_keys_from!("0101010101010101010101010101010101010101010101010101010101010101", secp_ctx);
do_encoding_accept_channel(true);
}
+ fn do_encoding_accept_channelv2(shutdown: bool) {
+ let secp_ctx = Secp256k1::new();
+ let (_, pubkey_1) = get_keys_from!("0101010101010101010101010101010101010101010101010101010101010101", secp_ctx);
+ let (_, pubkey_2) = get_keys_from!("0202020202020202020202020202020202020202020202020202020202020202", secp_ctx);
+ let (_, pubkey_3) = get_keys_from!("0303030303030303030303030303030303030303030303030303030303030303", secp_ctx);
+ let (_, pubkey_4) = get_keys_from!("0404040404040404040404040404040404040404040404040404040404040404", secp_ctx);
+ let (_, pubkey_5) = get_keys_from!("0505050505050505050505050505050505050505050505050505050505050505", secp_ctx);
+ 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: [2; 32],
+ 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
+ if shutdown {
+ target_value.append(&mut hex::decode("001b").unwrap()); // Type 0 + Length 27
+ target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+ }
+ assert_eq!(encoded_value, target_value);
+ }
+
+ #[test]
+ fn encoding_accept_channelv2() {
+ do_encoding_accept_channelv2(false);
+ do_encoding_accept_channelv2(true);
+ }
+
#[test]
fn encoding_funding_created() {
let secp_ctx = Secp256k1::new();
assert_eq!(encoded_value, target_value);
}
+ #[test]
+ fn encoding_tx_add_input() {
+ let tx_add_input = msgs::TxAddInput {
+ channel_id: [2; 32],
+ serial_id: 4886718345,
+ prevtx: TransactionU16LenLimited::new(Transaction {
+ version: 2,
+ lock_time: PackedLockTime(0),
+ input: vec![TxIn {
+ previous_output: OutPoint { txid: Txid::from_hex("305bab643ee297b8b6b76b320792c8223d55082122cb606bf89382146ced9c77").unwrap(), index: 2 }.into_bitcoin_outpoint(),
+ script_sig: Script::new(),
+ sequence: Sequence(0xfffffffd),
+ witness: Witness::from_vec(vec![
+ hex::decode("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap(),
+ hex::decode("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap()]),
+ }],
+ output: vec![
+ TxOut {
+ value: 12704566,
+ script_pubkey: Address::from_str("bc1qzlffunw52jav8vwdu5x3jfk6sr8u22rmq3xzw2").unwrap().script_pubkey(),
+ },
+ TxOut {
+ value: 245148,
+ script_pubkey: Address::from_str("bc1qxmk834g5marzm227dgqvynd23y2nvt2ztwcw2z").unwrap().script_pubkey(),
+ },
+ ],
+ }).unwrap(),
+ prevtx_out: 305419896,
+ sequence: 305419896,
+ };
+ let encoded_value = tx_add_input.encode();
+ let target_value = hex::decode("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").unwrap();
+ assert_eq!(encoded_value, target_value);
+ }
+
+ #[test]
+ fn encoding_tx_add_output() {
+ let tx_add_output = msgs::TxAddOutput {
+ channel_id: [2; 32],
+ serial_id: 4886718345,
+ sats: 4886718345,
+ script: Address::from_str("bc1qxmk834g5marzm227dgqvynd23y2nvt2ztwcw2z").unwrap().script_pubkey(),
+ };
+ let encoded_value = tx_add_output.encode();
+ let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202000000012345678900000001234567890016001436ec78d514df462da95e6a00c24daa8915362d42").unwrap();
+ assert_eq!(encoded_value, target_value);
+ }
+
+ #[test]
+ fn encoding_tx_remove_input() {
+ let tx_remove_input = msgs::TxRemoveInput {
+ channel_id: [2; 32],
+ serial_id: 4886718345,
+ };
+ let encoded_value = tx_remove_input.encode();
+ let target_value = hex::decode("02020202020202020202020202020202020202020202020202020202020202020000000123456789").unwrap();
+ assert_eq!(encoded_value, target_value);
+ }
+
+ #[test]
+ fn encoding_tx_remove_output() {
+ let tx_remove_output = msgs::TxRemoveOutput {
+ channel_id: [2; 32],
+ serial_id: 4886718345,
+ };
+ let encoded_value = tx_remove_output.encode();
+ let target_value = hex::decode("02020202020202020202020202020202020202020202020202020202020202020000000123456789").unwrap();
+ assert_eq!(encoded_value, target_value);
+ }
+
+ #[test]
+ fn encoding_tx_complete() {
+ let tx_complete = msgs::TxComplete {
+ channel_id: [2; 32],
+ };
+ let encoded_value = tx_complete.encode();
+ let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
+ assert_eq!(encoded_value, target_value);
+ }
+
+ #[test]
+ fn encoding_tx_signatures() {
+ let tx_signatures = msgs::TxSignatures {
+ channel_id: [2; 32],
+ tx_hash: Txid::from_hex("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()]),
+ ],
+ };
+ 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)
+ // 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());
+ // 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());
+ assert_eq!(encoded_value, target_value);
+ }
+
+ fn do_encoding_tx_init_rbf(funding_value_with_hex_target: Option<(i64, &str)>) {
+ let tx_init_rbf = msgs::TxInitRbf {
+ channel_id: [2; 32],
+ locktime: 305419896,
+ feerate_sat_per_1000_weight: 20190119,
+ 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
+ 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)
+ }
+ assert_eq!(encoded_value, target_value);
+ }
+
+ #[test]
+ fn encoding_tx_init_rbf() {
+ do_encoding_tx_init_rbf(Some((1311768467284833366, "1234567890123456")));
+ do_encoding_tx_init_rbf(Some((13117684672, "000000030DDFFBC0")));
+ do_encoding_tx_init_rbf(None);
+ }
+
+ fn do_encoding_tx_ack_rbf(funding_value_with_hex_target: Option<(i64, &str)>) {
+ let tx_ack_rbf = msgs::TxAckRbf {
+ channel_id: [2; 32],
+ 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();
+ 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)
+ }
+ assert_eq!(encoded_value, target_value);
+ }
+
+ #[test]
+ fn encoding_tx_ack_rbf() {
+ do_encoding_tx_ack_rbf(Some((1311768467284833366, "1234567890123456")));
+ do_encoding_tx_ack_rbf(Some((13117684672, "000000030DDFFBC0")));
+ do_encoding_tx_ack_rbf(None);
+ }
+
+ #[test]
+ fn encoding_tx_abort() {
+ let tx_abort = msgs::TxAbort {
+ channel_id: [2; 32],
+ data: hex::decode("54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F672E").unwrap(),
+ };
+ let encoded_value = tx_abort.encode();
+ let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202002C54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F672E").unwrap();
+ assert_eq!(encoded_value, target_value);
+ }
+
fn do_encoding_shutdown(script_type: u8) {
let secp_ctx = Secp256k1::new();
let (_, pubkey_1) = get_keys_from!("0101010101010101010101010101010101010101010101010101010101010101", secp_ctx);
projects / rust-lightning / commitdiff