X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fchan_utils.rs;h=b7d3aec39dc125bc2927c780bdb05aee68b29d5b;hb=refs%2Fheads%2Fupstream%2Fmain;hp=1c068025b8f0853340dfc54e89ba347411cdf20a;hpb=1f399b0984d591019320459d804cbad859c608ae;p=rust-lightning diff --git a/lightning/src/ln/chan_utils.rs b/lightning/src/ln/chan_utils.rs index 1c068025..b7d3aec3 100644 --- a/lightning/src/ln/chan_utils.rs +++ b/lightning/src/ln/chan_utils.rs @@ -7,35 +7,39 @@ // You may not use this file except in accordance with one or both of these // licenses. -//! Various utilities for building scripts and deriving keys related to channels. These are +//! Various utilities for building scripts related to channels. These are //! largely of interest for those implementing the traits on [`crate::sign`] by hand. -use bitcoin::blockdata::script::{Script,Builder}; +use bitcoin::{PubkeyHash, WPubkeyHash}; +use bitcoin::amount::Amount; +use bitcoin::blockdata::script::{Script, ScriptBuf, Builder}; use bitcoin::blockdata::opcodes; -use bitcoin::blockdata::transaction::{TxIn,TxOut,OutPoint,Transaction, EcdsaSighashType}; -use bitcoin::util::sighash; -use bitcoin::util::address::Payload; +use bitcoin::blockdata::transaction::{TxIn,TxOut,OutPoint,Transaction}; +use bitcoin::sighash; +use bitcoin::sighash::EcdsaSighashType; +use bitcoin::transaction::Version; use bitcoin::hashes::{Hash, HashEngine}; +use bitcoin::hashes::hash160::Hash as Hash160; use bitcoin::hashes::sha256::Hash as Sha256; use bitcoin::hashes::ripemd160::Hash as Ripemd160; -use bitcoin::hash_types::{Txid, PubkeyHash, WPubkeyHash}; +use bitcoin::hash_types::Txid; use crate::chain::chaininterface::fee_for_weight; use crate::chain::package::WEIGHT_REVOKED_OUTPUT; use crate::sign::EntropySource; -use crate::ln::{PaymentHash, PaymentPreimage}; +use crate::ln::types::{PaymentHash, PaymentPreimage}; use crate::ln::msgs::DecodeError; use crate::util::ser::{Readable, RequiredWrapper, Writeable, Writer}; use crate::util::transaction_utils; +use bitcoin::blockdata::locktime::absolute::LockTime; +use bitcoin::ecdsa::Signature as BitcoinSignature; use bitcoin::secp256k1::{SecretKey, PublicKey, Scalar}; use bitcoin::secp256k1::{Secp256k1, ecdsa::Signature, Message}; -use bitcoin::{PackedLockTime, secp256k1, Sequence, Witness}; -use bitcoin::PublicKey as BitcoinPublicKey; +use bitcoin::{secp256k1, Sequence, Witness}; use crate::io; -use crate::prelude::*; use core::cmp; use crate::ln::chan_utils; use crate::util::transaction_utils::sort_outputs; @@ -43,7 +47,11 @@ use crate::ln::channel::{INITIAL_COMMITMENT_NUMBER, ANCHOR_OUTPUT_VALUE_SATOSHI} use core::ops::Deref; use crate::chain; use crate::ln::features::ChannelTypeFeatures; -use crate::util::crypto::{sign, sign_with_aux_rand}; +use crate::crypto::utils::{sign, sign_with_aux_rand}; +use super::channel_keys::{DelayedPaymentBasepoint, DelayedPaymentKey, HtlcKey, HtlcBasepoint, RevocationKey, RevocationBasepoint}; + +#[allow(unused_imports)] +use crate::prelude::*; /// Maximum number of one-way in-flight HTLC (protocol-level value). pub const MAX_HTLCS: u16 = 483; @@ -174,19 +182,19 @@ pub fn build_commitment_secret(commitment_seed: &[u8; 32], idx: u64) -> [u8; 32] let bitpos = 47 - i; if idx & (1 << bitpos) == (1 << bitpos) { res[bitpos / 8] ^= 1 << (bitpos & 7); - res = Sha256::hash(&res).into_inner(); + res = Sha256::hash(&res).to_byte_array(); } } res } /// Build a closing transaction -pub fn build_closing_transaction(to_holder_value_sat: u64, to_counterparty_value_sat: u64, to_holder_script: Script, to_counterparty_script: Script, funding_outpoint: OutPoint) -> Transaction { +pub fn build_closing_transaction(to_holder_value_sat: Amount, to_counterparty_value_sat: Amount, to_holder_script: ScriptBuf, to_counterparty_script: ScriptBuf, funding_outpoint: OutPoint) -> Transaction { let txins = { let mut ins: Vec = Vec::new(); ins.push(TxIn { previous_output: funding_outpoint, - script_sig: Script::new(), + script_sig: ScriptBuf::new(), sequence: Sequence::MAX, witness: Witness::new(), }); @@ -195,14 +203,14 @@ pub fn build_closing_transaction(to_holder_value_sat: u64, to_counterparty_value let mut txouts: Vec<(TxOut, ())> = Vec::new(); - if to_counterparty_value_sat > 0 { + if to_counterparty_value_sat > Amount::ZERO { txouts.push((TxOut { script_pubkey: to_counterparty_script, value: to_counterparty_value_sat }, ())); } - if to_holder_value_sat > 0 { + if to_holder_value_sat > Amount::ZERO { txouts.push((TxOut { script_pubkey: to_holder_script, value: to_holder_value_sat @@ -217,8 +225,8 @@ pub fn build_closing_transaction(to_holder_value_sat: u64, to_counterparty_value } Transaction { - version: 2, - lock_time: PackedLockTime::ZERO, + version: Version::TWO, + lock_time: LockTime::ZERO, input: txins, output: outputs, } @@ -282,7 +290,7 @@ impl CounterpartyCommitmentSecrets { let bitpos = bits - 1 - i; if idx & (1 << bitpos) == (1 << bitpos) { res[(bitpos / 8) as usize] ^= 1 << (bitpos & 7); - res = Sha256::hash(&res).into_inner(); + res = Sha256::hash(&res).to_byte_array(); } } res @@ -346,27 +354,12 @@ pub fn derive_private_key(secp_ctx: &Secp256k1, per_co let mut sha = Sha256::engine(); sha.input(&per_commitment_point.serialize()); sha.input(&PublicKey::from_secret_key(&secp_ctx, &base_secret).serialize()); - let res = Sha256::from_engine(sha).into_inner(); + let res = Sha256::from_engine(sha).to_byte_array(); base_secret.clone().add_tweak(&Scalar::from_be_bytes(res).unwrap()) .expect("Addition only fails if the tweak is the inverse of the key. This is not possible when the tweak contains the hash of the key.") } -/// Derives a per-commitment-transaction public key (eg an htlc key or a delayed_payment key) -/// from the base point and the per_commitment_key. This is the public equivalent of -/// derive_private_key - using only public keys to derive a public key instead of private keys. -pub fn derive_public_key(secp_ctx: &Secp256k1, per_commitment_point: &PublicKey, base_point: &PublicKey) -> PublicKey { - let mut sha = Sha256::engine(); - sha.input(&per_commitment_point.serialize()); - sha.input(&base_point.serialize()); - let res = Sha256::from_engine(sha).into_inner(); - - let hashkey = PublicKey::from_secret_key(&secp_ctx, - &SecretKey::from_slice(&res).expect("Hashes should always be valid keys unless SHA-256 is broken")); - base_point.combine(&hashkey) - .expect("Addition only fails if the tweak is the inverse of the key. This is not possible when the tweak contains the hash of the key.") -} - /// Derives a per-commitment-transaction revocation key from its constituent parts. /// /// Only the cheating participant owns a valid witness to propagate a revoked @@ -384,14 +377,14 @@ pub fn derive_private_revocation_key(secp_ctx: &Secp256k1 sha.input(&countersignatory_revocation_base_point.serialize()); sha.input(&per_commitment_point.serialize()); - Sha256::from_engine(sha).into_inner() + Sha256::from_engine(sha).to_byte_array() }; let commit_append_rev_hash_key = { let mut sha = Sha256::engine(); sha.input(&per_commitment_point.serialize()); sha.input(&countersignatory_revocation_base_point.serialize()); - Sha256::from_engine(sha).into_inner() + Sha256::from_engine(sha).to_byte_array() }; let countersignatory_contrib = countersignatory_revocation_base_secret.clone().mul_tweak(&Scalar::from_be_bytes(rev_append_commit_hash_key).unwrap()) @@ -402,43 +395,6 @@ pub fn derive_private_revocation_key(secp_ctx: &Secp256k1 .expect("Addition only fails if the tweak is the inverse of the key. This is not possible when the tweak commits to the key.") } -/// Derives a per-commitment-transaction revocation public key from its constituent parts. This is -/// the public equivalend of derive_private_revocation_key - using only public keys to derive a -/// public key instead of private keys. -/// -/// Only the cheating participant owns a valid witness to propagate a revoked -/// commitment transaction, thus per_commitment_point always come from cheater -/// and revocation_base_point always come from punisher, which is the broadcaster -/// of the transaction spending with this key knowledge. -/// -/// Note that this is infallible iff we trust that at least one of the two input keys are randomly -/// generated (ie our own). -pub fn derive_public_revocation_key(secp_ctx: &Secp256k1, - per_commitment_point: &PublicKey, countersignatory_revocation_base_point: &PublicKey) --> PublicKey { - let rev_append_commit_hash_key = { - let mut sha = Sha256::engine(); - sha.input(&countersignatory_revocation_base_point.serialize()); - sha.input(&per_commitment_point.serialize()); - - Sha256::from_engine(sha).into_inner() - }; - let commit_append_rev_hash_key = { - let mut sha = Sha256::engine(); - sha.input(&per_commitment_point.serialize()); - sha.input(&countersignatory_revocation_base_point.serialize()); - - Sha256::from_engine(sha).into_inner() - }; - - let countersignatory_contrib = countersignatory_revocation_base_point.clone().mul_tweak(&secp_ctx, &Scalar::from_be_bytes(rev_append_commit_hash_key).unwrap()) - .expect("Multiplying a valid public key by a hash is expected to never fail per secp256k1 docs"); - let broadcaster_contrib = per_commitment_point.clone().mul_tweak(&secp_ctx, &Scalar::from_be_bytes(commit_append_rev_hash_key).unwrap()) - .expect("Multiplying a valid public key by a hash is expected to never fail per secp256k1 docs"); - countersignatory_contrib.combine(&broadcaster_contrib) - .expect("Addition only fails if the tweak is the inverse of the key. This is not possible when the tweak commits to the key.") -} - /// The set of public keys which are used in the creation of one commitment transaction. /// These are derived from the channel base keys and per-commitment data. /// @@ -457,13 +413,13 @@ pub struct TxCreationKeys { /// The revocation key which is used to allow the broadcaster of the commitment /// transaction to provide their counterparty the ability to punish them if they broadcast /// an old state. - pub revocation_key: PublicKey, + pub revocation_key: RevocationKey, /// Broadcaster's HTLC Key - pub broadcaster_htlc_key: PublicKey, + pub broadcaster_htlc_key: HtlcKey, /// Countersignatory's HTLC Key - pub countersignatory_htlc_key: PublicKey, + pub countersignatory_htlc_key: HtlcKey, /// Broadcaster's Payment Key (which isn't allowed to be spent from for some delay) - pub broadcaster_delayed_payment_key: PublicKey, + pub broadcaster_delayed_payment_key: DelayedPaymentKey, } impl_writeable_tlv_based!(TxCreationKeys, { @@ -484,7 +440,7 @@ pub struct ChannelPublicKeys { /// revocation keys. This is combined with the per-commitment-secret generated by the /// counterparty to create a secret which the counterparty can reveal to revoke previous /// states. - pub revocation_basepoint: PublicKey, + pub revocation_basepoint: RevocationBasepoint, /// The public key on which the non-broadcaster (ie the countersignatory) receives an immediately /// spendable primary channel balance on the broadcaster's commitment transaction. This key is /// static across every commitment transaction. @@ -492,10 +448,10 @@ pub struct ChannelPublicKeys { /// The base point which is used (with derive_public_key) to derive a per-commitment payment /// public key which receives non-HTLC-encumbered funds which are only available for spending /// after some delay (or can be claimed via the revocation path). - pub delayed_payment_basepoint: PublicKey, + pub delayed_payment_basepoint: DelayedPaymentBasepoint, /// The base point which is used (with derive_public_key) to derive a per-commitment public key /// which is used to encumber HTLC-in-flight outputs. - pub htlc_basepoint: PublicKey, + pub htlc_basepoint: HtlcBasepoint, } impl_writeable_tlv_based!(ChannelPublicKeys, { @@ -509,13 +465,13 @@ impl_writeable_tlv_based!(ChannelPublicKeys, { impl TxCreationKeys { /// Create per-state keys from channel base points and the per-commitment point. /// Key set is asymmetric and can't be used as part of counter-signatory set of transactions. - pub fn derive_new(secp_ctx: &Secp256k1, per_commitment_point: &PublicKey, broadcaster_delayed_payment_base: &PublicKey, broadcaster_htlc_base: &PublicKey, countersignatory_revocation_base: &PublicKey, countersignatory_htlc_base: &PublicKey) -> TxCreationKeys { + pub fn derive_new(secp_ctx: &Secp256k1, per_commitment_point: &PublicKey, broadcaster_delayed_payment_base: &DelayedPaymentBasepoint, broadcaster_htlc_base: &HtlcBasepoint, countersignatory_revocation_base: &RevocationBasepoint, countersignatory_htlc_base: &HtlcBasepoint) -> TxCreationKeys { TxCreationKeys { per_commitment_point: per_commitment_point.clone(), - revocation_key: derive_public_revocation_key(&secp_ctx, &per_commitment_point, &countersignatory_revocation_base), - broadcaster_htlc_key: derive_public_key(&secp_ctx, &per_commitment_point, &broadcaster_htlc_base), - countersignatory_htlc_key: derive_public_key(&secp_ctx, &per_commitment_point, &countersignatory_htlc_base), - broadcaster_delayed_payment_key: derive_public_key(&secp_ctx, &per_commitment_point, &broadcaster_delayed_payment_base), + revocation_key: RevocationKey::from_basepoint(&secp_ctx, &countersignatory_revocation_base, &per_commitment_point), + broadcaster_htlc_key: HtlcKey::from_basepoint(&secp_ctx, &broadcaster_htlc_base, &per_commitment_point), + countersignatory_htlc_key: HtlcKey::from_basepoint(&secp_ctx, &countersignatory_htlc_base, &per_commitment_point), + broadcaster_delayed_payment_key: DelayedPaymentKey::from_basepoint(&secp_ctx, &broadcaster_delayed_payment_base, &per_commitment_point), } } @@ -534,21 +490,23 @@ impl TxCreationKeys { } /// The maximum length of a script returned by get_revokeable_redeemscript. -// Calculated as 6 bytes of opcodes, 1 byte push plus 2 bytes for contest_delay, and two public -// keys of 33 bytes (+ 1 push). -pub const REVOKEABLE_REDEEMSCRIPT_MAX_LENGTH: usize = 6 + 3 + 34*2; +// Calculated as 6 bytes of opcodes, 1 byte push plus 3 bytes for contest_delay, and two public +// keys of 33 bytes (+ 1 push). Generally, pushes are only 2 bytes (for values below 0x7fff, i.e. +// around 7 months), however, a 7 month contest delay shouldn't result in being unable to reclaim +// on-chain funds. +pub const REVOKEABLE_REDEEMSCRIPT_MAX_LENGTH: usize = 6 + 4 + 34*2; /// A script either spendable by the revocation /// key or the broadcaster_delayed_payment_key and satisfying the relative-locktime OP_CSV constrain. /// Encumbering a `to_holder` output on a commitment transaction or 2nd-stage HTLC transactions. -pub fn get_revokeable_redeemscript(revocation_key: &PublicKey, contest_delay: u16, broadcaster_delayed_payment_key: &PublicKey) -> Script { +pub fn get_revokeable_redeemscript(revocation_key: &RevocationKey, contest_delay: u16, broadcaster_delayed_payment_key: &DelayedPaymentKey) -> ScriptBuf { let res = Builder::new().push_opcode(opcodes::all::OP_IF) - .push_slice(&revocation_key.serialize()) + .push_slice(&revocation_key.to_public_key().serialize()) .push_opcode(opcodes::all::OP_ELSE) .push_int(contest_delay as i64) .push_opcode(opcodes::all::OP_CSV) .push_opcode(opcodes::all::OP_DROP) - .push_slice(&broadcaster_delayed_payment_key.serialize()) + .push_slice(&broadcaster_delayed_payment_key.to_public_key().serialize()) .push_opcode(opcodes::all::OP_ENDIF) .push_opcode(opcodes::all::OP_CHECKSIG) .into_script(); @@ -558,11 +516,11 @@ pub fn get_revokeable_redeemscript(revocation_key: &PublicKey, contest_delay: u1 /// Returns the script for the counterparty's output on a holder's commitment transaction based on /// the channel type. -pub fn get_counterparty_payment_script(channel_type_features: &ChannelTypeFeatures, payment_key: &PublicKey) -> Script { +pub fn get_counterparty_payment_script(channel_type_features: &ChannelTypeFeatures, payment_key: &PublicKey) -> ScriptBuf { if channel_type_features.supports_anchors_zero_fee_htlc_tx() { - get_to_countersignatory_with_anchors_redeemscript(payment_key).to_v0_p2wsh() + get_to_countersignatory_with_anchors_redeemscript(payment_key).to_p2wsh() } else { - Script::new_v0_p2wpkh(&WPubkeyHash::hash(&payment_key.serialize())) + ScriptBuf::new_p2wpkh(&WPubkeyHash::hash(&payment_key.serialize())) } } @@ -587,6 +545,15 @@ pub struct HTLCOutputInCommitment { pub transaction_output_index: Option, } +impl HTLCOutputInCommitment { + /// Converts HTLC's value with millisatoshi precision into [bitcoin::Amount] with satoshi precision. + /// Typically this conversion is needed when transitioning from LN into base-layer Bitcoin, + /// e. g. in commitment transactions. + pub const fn to_bitcoin_amount(&self) -> Amount { + Amount::from_sat(self.amount_msat / 1000) + } +} + impl_writeable_tlv_based!(HTLCOutputInCommitment, { (0, offered, required), (2, amount_msat, required), @@ -596,17 +563,17 @@ impl_writeable_tlv_based!(HTLCOutputInCommitment, { }); #[inline] -pub(crate) fn get_htlc_redeemscript_with_explicit_keys(htlc: &HTLCOutputInCommitment, channel_type_features: &ChannelTypeFeatures, broadcaster_htlc_key: &PublicKey, countersignatory_htlc_key: &PublicKey, revocation_key: &PublicKey) -> Script { - let payment_hash160 = Ripemd160::hash(&htlc.payment_hash.0[..]).into_inner(); +pub(crate) fn get_htlc_redeemscript_with_explicit_keys(htlc: &HTLCOutputInCommitment, channel_type_features: &ChannelTypeFeatures, broadcaster_htlc_key: &HtlcKey, countersignatory_htlc_key: &HtlcKey, revocation_key: &RevocationKey) -> ScriptBuf { + let payment_hash160 = Ripemd160::hash(&htlc.payment_hash.0[..]).to_byte_array(); if htlc.offered { let mut bldr = Builder::new().push_opcode(opcodes::all::OP_DUP) .push_opcode(opcodes::all::OP_HASH160) - .push_slice(&PubkeyHash::hash(&revocation_key.serialize())[..]) + .push_slice(PubkeyHash::hash(&revocation_key.to_public_key().serialize())) .push_opcode(opcodes::all::OP_EQUAL) .push_opcode(opcodes::all::OP_IF) .push_opcode(opcodes::all::OP_CHECKSIG) .push_opcode(opcodes::all::OP_ELSE) - .push_slice(&countersignatory_htlc_key.serialize()[..]) + .push_slice(&countersignatory_htlc_key.to_public_key().serialize()) .push_opcode(opcodes::all::OP_SWAP) .push_opcode(opcodes::all::OP_SIZE) .push_int(32) @@ -615,7 +582,7 @@ pub(crate) fn get_htlc_redeemscript_with_explicit_keys(htlc: &HTLCOutputInCommit .push_opcode(opcodes::all::OP_DROP) .push_int(2) .push_opcode(opcodes::all::OP_SWAP) - .push_slice(&broadcaster_htlc_key.serialize()[..]) + .push_slice(&broadcaster_htlc_key.to_public_key().serialize()) .push_int(2) .push_opcode(opcodes::all::OP_CHECKMULTISIG) .push_opcode(opcodes::all::OP_ELSE) @@ -634,12 +601,12 @@ pub(crate) fn get_htlc_redeemscript_with_explicit_keys(htlc: &HTLCOutputInCommit } else { let mut bldr = Builder::new().push_opcode(opcodes::all::OP_DUP) .push_opcode(opcodes::all::OP_HASH160) - .push_slice(&PubkeyHash::hash(&revocation_key.serialize())[..]) + .push_slice(&PubkeyHash::hash(&revocation_key.to_public_key().serialize())) .push_opcode(opcodes::all::OP_EQUAL) .push_opcode(opcodes::all::OP_IF) .push_opcode(opcodes::all::OP_CHECKSIG) .push_opcode(opcodes::all::OP_ELSE) - .push_slice(&countersignatory_htlc_key.serialize()[..]) + .push_slice(&countersignatory_htlc_key.to_public_key().serialize()) .push_opcode(opcodes::all::OP_SWAP) .push_opcode(opcodes::all::OP_SIZE) .push_int(32) @@ -650,7 +617,7 @@ pub(crate) fn get_htlc_redeemscript_with_explicit_keys(htlc: &HTLCOutputInCommit .push_opcode(opcodes::all::OP_EQUALVERIFY) .push_int(2) .push_opcode(opcodes::all::OP_SWAP) - .push_slice(&broadcaster_htlc_key.serialize()[..]) + .push_slice(&broadcaster_htlc_key.to_public_key().serialize()) .push_int(2) .push_opcode(opcodes::all::OP_CHECKMULTISIG) .push_opcode(opcodes::all::OP_ELSE) @@ -673,20 +640,20 @@ pub(crate) fn get_htlc_redeemscript_with_explicit_keys(htlc: &HTLCOutputInCommit /// Gets the witness redeemscript for an HTLC output in a commitment transaction. Note that htlc /// does not need to have its previous_output_index filled. #[inline] -pub fn get_htlc_redeemscript(htlc: &HTLCOutputInCommitment, channel_type_features: &ChannelTypeFeatures, keys: &TxCreationKeys) -> Script { +pub fn get_htlc_redeemscript(htlc: &HTLCOutputInCommitment, channel_type_features: &ChannelTypeFeatures, keys: &TxCreationKeys) -> ScriptBuf { get_htlc_redeemscript_with_explicit_keys(htlc, channel_type_features, &keys.broadcaster_htlc_key, &keys.countersignatory_htlc_key, &keys.revocation_key) } /// Gets the redeemscript for a funding output from the two funding public keys. /// Note that the order of funding public keys does not matter. -pub fn make_funding_redeemscript(broadcaster: &PublicKey, countersignatory: &PublicKey) -> Script { +pub fn make_funding_redeemscript(broadcaster: &PublicKey, countersignatory: &PublicKey) -> ScriptBuf { let broadcaster_funding_key = broadcaster.serialize(); let countersignatory_funding_key = countersignatory.serialize(); make_funding_redeemscript_from_slices(&broadcaster_funding_key, &countersignatory_funding_key) } -pub(crate) fn make_funding_redeemscript_from_slices(broadcaster_funding_key: &[u8], countersignatory_funding_key: &[u8]) -> Script { +pub(crate) fn make_funding_redeemscript_from_slices(broadcaster_funding_key: &[u8; 33], countersignatory_funding_key: &[u8; 33]) -> ScriptBuf { let builder = Builder::new().push_opcode(opcodes::all::OP_PUSHNUM_2); if broadcaster_funding_key[..] < countersignatory_funding_key[..] { builder.push_slice(broadcaster_funding_key) @@ -704,7 +671,7 @@ pub(crate) fn make_funding_redeemscript_from_slices(broadcaster_funding_key: &[u /// /// Panics if htlc.transaction_output_index.is_none() (as such HTLCs do not appear in the /// commitment transaction). -pub fn build_htlc_transaction(commitment_txid: &Txid, feerate_per_kw: u32, contest_delay: u16, htlc: &HTLCOutputInCommitment, channel_type_features: &ChannelTypeFeatures, broadcaster_delayed_payment_key: &PublicKey, revocation_key: &PublicKey) -> Transaction { +pub fn build_htlc_transaction(commitment_txid: &Txid, feerate_per_kw: u32, contest_delay: u16, htlc: &HTLCOutputInCommitment, channel_type_features: &ChannelTypeFeatures, broadcaster_delayed_payment_key: &DelayedPaymentKey, revocation_key: &RevocationKey) -> Transaction { let mut txins: Vec = Vec::new(); txins.push(build_htlc_input(commitment_txid, htlc, channel_type_features)); @@ -715,8 +682,8 @@ pub fn build_htlc_transaction(commitment_txid: &Txid, feerate_per_kw: u32, conte )); Transaction { - version: 2, - lock_time: PackedLockTime(if htlc.offered { htlc.cltv_expiry } else { 0 }), + version: Version::TWO, + lock_time: LockTime::from_consensus(if htlc.offered { htlc.cltv_expiry } else { 0 }), input: txins, output: txouts, } @@ -728,14 +695,14 @@ pub(crate) fn build_htlc_input(commitment_txid: &Txid, htlc: &HTLCOutputInCommit txid: commitment_txid.clone(), vout: htlc.transaction_output_index.expect("Can't build an HTLC transaction for a dust output"), }, - script_sig: Script::new(), + script_sig: ScriptBuf::new(), sequence: Sequence(if channel_type_features.supports_anchors_zero_fee_htlc_tx() { 1 } else { 0 }), witness: Witness::new(), } } pub(crate) fn build_htlc_output( - feerate_per_kw: u32, contest_delay: u16, htlc: &HTLCOutputInCommitment, channel_type_features: &ChannelTypeFeatures, broadcaster_delayed_payment_key: &PublicKey, revocation_key: &PublicKey + feerate_per_kw: u32, contest_delay: u16, htlc: &HTLCOutputInCommitment, channel_type_features: &ChannelTypeFeatures, broadcaster_delayed_payment_key: &DelayedPaymentKey, revocation_key: &RevocationKey ) -> TxOut { let weight = if htlc.offered { htlc_timeout_tx_weight(channel_type_features) @@ -743,14 +710,14 @@ pub(crate) fn build_htlc_output( htlc_success_tx_weight(channel_type_features) }; let output_value = if channel_type_features.supports_anchors_zero_fee_htlc_tx() && !channel_type_features.supports_anchors_nonzero_fee_htlc_tx() { - htlc.amount_msat / 1000 + htlc.to_bitcoin_amount() } else { - let total_fee = feerate_per_kw as u64 * weight / 1000; - htlc.amount_msat / 1000 - total_fee + let total_fee = Amount::from_sat(feerate_per_kw as u64 * weight / 1000); + htlc.to_bitcoin_amount() - total_fee }; TxOut { - script_pubkey: get_revokeable_redeemscript(revocation_key, contest_delay, broadcaster_delayed_payment_key).to_v0_p2wsh(), + script_pubkey: get_revokeable_redeemscript(revocation_key, contest_delay, broadcaster_delayed_payment_key).to_p2wsh(), value: output_value, } } @@ -769,8 +736,8 @@ pub fn build_htlc_input_witness( let mut witness = Witness::new(); // First push the multisig dummy, note that due to BIP147 (NULLDUMMY) it must be a zero-length element. witness.push(vec![]); - witness.push_bitcoin_signature(&remote_sig.serialize_der(), remote_sighash_type); - witness.push_bitcoin_signature(&local_sig.serialize_der(), EcdsaSighashType::All); + witness.push_ecdsa_signature(&BitcoinSignature { sig: *remote_sig, hash_ty: remote_sighash_type }); + witness.push_ecdsa_signature(&BitcoinSignature::sighash_all(*local_sig)); if let Some(preimage) = preimage { witness.push(preimage.0.to_vec()); } else { @@ -814,9 +781,9 @@ pub(crate) fn legacy_deserialization_prevention_marker_for_channel_type_features /// Gets the witnessScript for the to_remote output when anchors are enabled. #[inline] -pub fn get_to_countersignatory_with_anchors_redeemscript(payment_point: &PublicKey) -> Script { +pub fn get_to_countersignatory_with_anchors_redeemscript(payment_point: &PublicKey) -> ScriptBuf { Builder::new() - .push_slice(&payment_point.serialize()[..]) + .push_slice(payment_point.serialize()) .push_opcode(opcodes::all::OP_CHECKSIGVERIFY) .push_int(1) .push_opcode(opcodes::all::OP_CSV) @@ -830,8 +797,8 @@ pub fn get_to_countersignatory_with_anchors_redeemscript(payment_point: &PublicK /// <> /// (empty vector required to satisfy compliance with MINIMALIF-standard rule) #[inline] -pub fn get_anchor_redeemscript(funding_pubkey: &PublicKey) -> Script { - Builder::new().push_slice(&funding_pubkey.serialize()[..]) +pub fn get_anchor_redeemscript(funding_pubkey: &PublicKey) -> ScriptBuf { + Builder::new().push_slice(funding_pubkey.serialize()) .push_opcode(opcodes::all::OP_CHECKSIG) .push_opcode(opcodes::all::OP_IFDUP) .push_opcode(opcodes::all::OP_NOTIF) @@ -843,7 +810,7 @@ pub fn get_anchor_redeemscript(funding_pubkey: &PublicKey) -> Script { /// Locates the output with an anchor script paying to `funding_pubkey` within `commitment_tx`. pub(crate) fn get_anchor_output<'a>(commitment_tx: &'a Transaction, funding_pubkey: &PublicKey) -> Option<(u32, &'a TxOut)> { - let anchor_script = chan_utils::get_anchor_redeemscript(funding_pubkey).to_v0_p2wsh(); + let anchor_script = chan_utils::get_anchor_redeemscript(funding_pubkey).to_p2wsh(); commitment_tx.output.iter().enumerate() .find(|(_, txout)| txout.script_pubkey == anchor_script) .map(|(idx, txout)| (idx as u32, txout)) @@ -853,7 +820,7 @@ pub(crate) fn get_anchor_output<'a>(commitment_tx: &'a Transaction, funding_pubk pub fn build_anchor_input_witness(funding_key: &PublicKey, funding_sig: &Signature) -> Witness { let anchor_redeem_script = chan_utils::get_anchor_redeemscript(funding_key); let mut ret = Witness::new(); - ret.push_bitcoin_signature(&funding_sig.serialize_der(), EcdsaSighashType::All); + ret.push_ecdsa_signature(&BitcoinSignature::sighash_all(*funding_sig)); ret.push(anchor_redeem_script.as_bytes()); ret } @@ -897,6 +864,11 @@ impl ChannelTransactionParameters { self.counterparty_parameters.is_some() && self.funding_outpoint.is_some() } + /// Whether the channel supports zero-fee HTLC transaction anchors. + pub(crate) fn supports_anchors(&self) -> bool { + self.channel_type_features.supports_anchors_zero_fee_htlc_tx() + } + /// Convert the holder/counterparty parameters to broadcaster/countersignatory-organized parameters, /// given that the holder is the broadcaster. /// @@ -1076,21 +1048,21 @@ impl HolderCommitmentTransaction { pub fn dummy(htlcs: &mut Vec<(HTLCOutputInCommitment, ())>) -> Self { let secp_ctx = Secp256k1::new(); let dummy_key = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap()); - let dummy_sig = sign(&secp_ctx, &secp256k1::Message::from_slice(&[42; 32]).unwrap(), &SecretKey::from_slice(&[42; 32]).unwrap()); + let dummy_sig = sign(&secp_ctx, &secp256k1::Message::from_digest([42; 32]), &SecretKey::from_slice(&[42; 32]).unwrap()); let keys = TxCreationKeys { per_commitment_point: dummy_key.clone(), - revocation_key: dummy_key.clone(), - broadcaster_htlc_key: dummy_key.clone(), - countersignatory_htlc_key: dummy_key.clone(), - broadcaster_delayed_payment_key: dummy_key.clone(), + revocation_key: RevocationKey::from_basepoint(&secp_ctx, &RevocationBasepoint::from(dummy_key), &dummy_key), + broadcaster_htlc_key: HtlcKey::from_basepoint(&secp_ctx, &HtlcBasepoint::from(dummy_key), &dummy_key), + countersignatory_htlc_key: HtlcKey::from_basepoint(&secp_ctx, &HtlcBasepoint::from(dummy_key), &dummy_key), + broadcaster_delayed_payment_key: DelayedPaymentKey::from_basepoint(&secp_ctx, &DelayedPaymentBasepoint::from(dummy_key), &dummy_key), }; let channel_pubkeys = ChannelPublicKeys { funding_pubkey: dummy_key.clone(), - revocation_basepoint: dummy_key.clone(), + revocation_basepoint: RevocationBasepoint::from(dummy_key), payment_point: dummy_key.clone(), - delayed_payment_basepoint: dummy_key.clone(), - htlc_basepoint: dummy_key.clone() + delayed_payment_basepoint: DelayedPaymentBasepoint::from(dummy_key.clone()), + htlc_basepoint: HtlcBasepoint::from(dummy_key.clone()) }; let channel_parameters = ChannelTransactionParameters { holder_pubkeys: channel_pubkeys.clone(), @@ -1131,11 +1103,11 @@ impl HolderCommitmentTransaction { tx.input[0].witness.push(Vec::new()); if self.holder_sig_first { - tx.input[0].witness.push_bitcoin_signature(&holder_sig.serialize_der(), EcdsaSighashType::All); - tx.input[0].witness.push_bitcoin_signature(&self.counterparty_sig.serialize_der(), EcdsaSighashType::All); + tx.input[0].witness.push_ecdsa_signature(&BitcoinSignature::sighash_all(holder_sig)); + tx.input[0].witness.push_ecdsa_signature(&BitcoinSignature::sighash_all(self.counterparty_sig)); } else { - tx.input[0].witness.push_bitcoin_signature(&self.counterparty_sig.serialize_der(), EcdsaSighashType::All); - tx.input[0].witness.push_bitcoin_signature(&holder_sig.serialize_der(), EcdsaSighashType::All); + tx.input[0].witness.push_ecdsa_signature(&BitcoinSignature::sighash_all(self.counterparty_sig)); + tx.input[0].witness.push_ecdsa_signature(&BitcoinSignature::sighash_all(holder_sig)); } tx.input[0].witness.push(funding_redeemscript.as_bytes().to_vec()); @@ -1165,7 +1137,7 @@ impl BuiltCommitmentTransaction { /// /// This can be used to verify a signature. pub fn get_sighash_all(&self, funding_redeemscript: &Script, channel_value_satoshis: u64) -> Message { - let sighash = &sighash::SighashCache::new(&self.transaction).segwit_signature_hash(0, funding_redeemscript, channel_value_satoshis, EcdsaSighashType::All).unwrap()[..]; + let sighash = &sighash::SighashCache::new(&self.transaction).p2wsh_signature_hash(0, funding_redeemscript, Amount::from_sat(channel_value_satoshis), EcdsaSighashType::All).unwrap()[..]; hash_to_message!(sighash) } @@ -1192,10 +1164,10 @@ impl BuiltCommitmentTransaction { /// secret key. #[derive(Clone, Hash, PartialEq, Eq)] pub struct ClosingTransaction { - to_holder_value_sat: u64, - to_counterparty_value_sat: u64, - to_holder_script: Script, - to_counterparty_script: Script, + to_holder_value_sat: Amount, + to_counterparty_value_sat: Amount, + to_holder_script: ScriptBuf, + to_counterparty_script: ScriptBuf, built: Transaction, } @@ -1204,10 +1176,12 @@ impl ClosingTransaction { pub fn new( to_holder_value_sat: u64, to_counterparty_value_sat: u64, - to_holder_script: Script, - to_counterparty_script: Script, + to_holder_script: ScriptBuf, + to_counterparty_script: ScriptBuf, funding_outpoint: OutPoint, ) -> Self { + let to_holder_value_sat = Amount::from_sat(to_holder_value_sat); + let to_counterparty_value_sat = Amount::from_sat(to_counterparty_value_sat); let built = build_closing_transaction( to_holder_value_sat, to_counterparty_value_sat, to_holder_script.clone(), to_counterparty_script.clone(), @@ -1252,12 +1226,12 @@ impl ClosingTransaction { /// The value to be sent to the holder, or zero if the output will be omitted pub fn to_holder_value_sat(&self) -> u64 { - self.to_holder_value_sat + self.to_holder_value_sat.to_sat() } /// The value to be sent to the counterparty, or zero if the output will be omitted pub fn to_counterparty_value_sat(&self) -> u64 { - self.to_counterparty_value_sat + self.to_counterparty_value_sat.to_sat() } /// The destination of the holder's output @@ -1297,7 +1271,7 @@ impl<'a> TrustedClosingTransaction<'a> { /// /// This can be used to verify a signature. pub fn get_sighash_all(&self, funding_redeemscript: &Script, channel_value_satoshis: u64) -> Message { - let sighash = &sighash::SighashCache::new(&self.inner.built).segwit_signature_hash(0, funding_redeemscript, channel_value_satoshis, EcdsaSighashType::All).unwrap()[..]; + let sighash = &sighash::SighashCache::new(&self.inner.built).p2wsh_signature_hash(0, funding_redeemscript, Amount::from_sat(channel_value_satoshis), EcdsaSighashType::All).unwrap()[..]; hash_to_message!(sighash) } @@ -1318,8 +1292,8 @@ impl<'a> TrustedClosingTransaction<'a> { #[derive(Clone, Debug)] pub struct CommitmentTransaction { commitment_number: u64, - to_broadcaster_value_sat: u64, - to_countersignatory_value_sat: u64, + to_broadcaster_value_sat: Amount, + to_countersignatory_value_sat: Amount, to_broadcaster_delay: Option, // Added in 0.0.117 feerate_per_kw: u32, htlcs: Vec, @@ -1413,6 +1387,9 @@ impl CommitmentTransaction { /// /// This is not exported to bindings users due to the generic though we likely should expose a version without pub fn new_with_auxiliary_htlc_data(commitment_number: u64, to_broadcaster_value_sat: u64, to_countersignatory_value_sat: u64, broadcaster_funding_key: PublicKey, countersignatory_funding_key: PublicKey, keys: TxCreationKeys, feerate_per_kw: u32, htlcs_with_aux: &mut Vec<(HTLCOutputInCommitment, T)>, channel_parameters: &DirectedChannelTransactionParameters) -> CommitmentTransaction { + let to_broadcaster_value_sat = Amount::from_sat(to_broadcaster_value_sat); + let to_countersignatory_value_sat = Amount::from_sat(to_countersignatory_value_sat); + // Sort outputs and populate output indices while keeping track of the auxiliary data let (outputs, htlcs) = Self::internal_build_outputs(&keys, to_broadcaster_value_sat, to_countersignatory_value_sat, htlcs_with_aux, channel_parameters, &broadcaster_funding_key, &countersignatory_funding_key).unwrap(); @@ -1460,8 +1437,8 @@ impl CommitmentTransaction { fn make_transaction(obscured_commitment_transaction_number: u64, txins: Vec, outputs: Vec) -> Transaction { Transaction { - version: 2, - lock_time: PackedLockTime(((0x20 as u32) << 8 * 3) | ((obscured_commitment_transaction_number & 0xffffffu64) as u32)), + version: Version::TWO, + lock_time: LockTime::from_consensus(((0x20 as u32) << 8 * 3) | ((obscured_commitment_transaction_number & 0xffffffu64) as u32)), input: txins, output: outputs, } @@ -1471,17 +1448,17 @@ impl CommitmentTransaction { // - initial sorting of outputs / HTLCs in the constructor, in which case T is auxiliary data the // caller needs to have sorted together with the HTLCs so it can keep track of the output index // - building of a bitcoin transaction during a verify() call, in which case T is just () - fn internal_build_outputs(keys: &TxCreationKeys, to_broadcaster_value_sat: u64, to_countersignatory_value_sat: u64, htlcs_with_aux: &mut Vec<(HTLCOutputInCommitment, T)>, channel_parameters: &DirectedChannelTransactionParameters, broadcaster_funding_key: &PublicKey, countersignatory_funding_key: &PublicKey) -> Result<(Vec, Vec), ()> { + fn internal_build_outputs(keys: &TxCreationKeys, to_broadcaster_value_sat: Amount, to_countersignatory_value_sat: Amount, htlcs_with_aux: &mut Vec<(HTLCOutputInCommitment, T)>, channel_parameters: &DirectedChannelTransactionParameters, broadcaster_funding_key: &PublicKey, countersignatory_funding_key: &PublicKey) -> Result<(Vec, Vec), ()> { let countersignatory_pubkeys = channel_parameters.countersignatory_pubkeys(); let contest_delay = channel_parameters.contest_delay(); let mut txouts: Vec<(TxOut, Option<&mut HTLCOutputInCommitment>)> = Vec::new(); - if to_countersignatory_value_sat > 0 { + if to_countersignatory_value_sat > Amount::ZERO { let script = if channel_parameters.channel_type_features().supports_anchors_zero_fee_htlc_tx() { - get_to_countersignatory_with_anchors_redeemscript(&countersignatory_pubkeys.payment_point).to_v0_p2wsh() + get_to_countersignatory_with_anchors_redeemscript(&countersignatory_pubkeys.payment_point).to_p2wsh() } else { - Payload::p2wpkh(&BitcoinPublicKey::new(countersignatory_pubkeys.payment_point)).unwrap().script_pubkey() + ScriptBuf::new_p2wpkh(&Hash160::hash(&countersignatory_pubkeys.payment_point.serialize()).into()) }; txouts.push(( TxOut { @@ -1492,7 +1469,7 @@ impl CommitmentTransaction { )) } - if to_broadcaster_value_sat > 0 { + if to_broadcaster_value_sat > Amount::ZERO { let redeem_script = get_revokeable_redeemscript( &keys.revocation_key, contest_delay, @@ -1500,7 +1477,7 @@ impl CommitmentTransaction { ); txouts.push(( TxOut { - script_pubkey: redeem_script.to_v0_p2wsh(), + script_pubkey: redeem_script.to_p2wsh(), value: to_broadcaster_value_sat, }, None, @@ -1508,23 +1485,23 @@ impl CommitmentTransaction { } if channel_parameters.channel_type_features().supports_anchors_zero_fee_htlc_tx() { - if to_broadcaster_value_sat > 0 || !htlcs_with_aux.is_empty() { + if to_broadcaster_value_sat > Amount::ZERO || !htlcs_with_aux.is_empty() { let anchor_script = get_anchor_redeemscript(broadcaster_funding_key); txouts.push(( TxOut { - script_pubkey: anchor_script.to_v0_p2wsh(), - value: ANCHOR_OUTPUT_VALUE_SATOSHI, + script_pubkey: anchor_script.to_p2wsh(), + value: Amount::from_sat(ANCHOR_OUTPUT_VALUE_SATOSHI), }, None, )); } - if to_countersignatory_value_sat > 0 || !htlcs_with_aux.is_empty() { + if to_countersignatory_value_sat > Amount::ZERO || !htlcs_with_aux.is_empty() { let anchor_script = get_anchor_redeemscript(countersignatory_funding_key); txouts.push(( TxOut { - script_pubkey: anchor_script.to_v0_p2wsh(), - value: ANCHOR_OUTPUT_VALUE_SATOSHI, + script_pubkey: anchor_script.to_p2wsh(), + value: Amount::from_sat(ANCHOR_OUTPUT_VALUE_SATOSHI), }, None, )); @@ -1535,8 +1512,8 @@ impl CommitmentTransaction { for (htlc, _) in htlcs_with_aux { let script = chan_utils::get_htlc_redeemscript(&htlc, &channel_parameters.channel_type_features(), &keys); let txout = TxOut { - script_pubkey: script.to_v0_p2wsh(), - value: htlc.amount_msat / 1000, + script_pubkey: script.to_p2wsh(), + value: htlc.to_bitcoin_amount(), }; txouts.push((txout, Some(htlc))); } @@ -1584,7 +1561,7 @@ impl CommitmentTransaction { let mut ins: Vec = Vec::new(); ins.push(TxIn { previous_output: channel_parameters.funding_outpoint(), - script_sig: Script::new(), + script_sig: ScriptBuf::new(), sequence: Sequence(((0x80 as u32) << 8 * 3) | ((obscured_commitment_transaction_number >> 3 * 8) as u32)), witness: Witness::new(), @@ -1606,12 +1583,12 @@ impl CommitmentTransaction { /// The value to be sent to the broadcaster pub fn to_broadcaster_value_sat(&self) -> u64 { - self.to_broadcaster_value_sat + self.to_broadcaster_value_sat.to_sat() } /// The value to be sent to the counterparty pub fn to_countersignatory_value_sat(&self) -> u64 { - self.to_countersignatory_value_sat + self.to_countersignatory_value_sat.to_sat() } /// The feerate paid per 1000-weight-unit in this commitment transaction. @@ -1719,7 +1696,7 @@ impl<'a> TrustedCommitmentTransaction<'a> { let htlc_redeemscript = get_htlc_redeemscript_with_explicit_keys(&this_htlc, &self.channel_type_features, &keys.broadcaster_htlc_key, &keys.countersignatory_htlc_key, &keys.revocation_key); - let sighash = hash_to_message!(&sighash::SighashCache::new(&htlc_tx).segwit_signature_hash(0, &htlc_redeemscript, this_htlc.amount_msat / 1000, EcdsaSighashType::All).unwrap()[..]); + let sighash = hash_to_message!(&sighash::SighashCache::new(&htlc_tx).p2wsh_signature_hash(0, &htlc_redeemscript, this_htlc.to_bitcoin_amount(), EcdsaSighashType::All).unwrap()[..]); ret.push(sign_with_aux_rand(secp_ctx, &sighash, &holder_htlc_key, entropy_source)); } Ok(ret) @@ -1776,7 +1753,7 @@ impl<'a> TrustedCommitmentTransaction<'a> { self.to_broadcaster_delay?, &self.keys.broadcaster_delayed_payment_key, ); - let revokeable_p2wsh = revokeable_redeemscript.to_v0_p2wsh(); + let revokeable_p2wsh = revokeable_redeemscript.to_p2wsh(); let outputs = &self.inner.built.transaction.output; outputs.iter().enumerate() .find(|(_, out)| out.script_pubkey == revokeable_p2wsh) @@ -1794,7 +1771,7 @@ impl<'a> TrustedCommitmentTransaction<'a> { /// The built transaction will allow fee bumping with RBF, and this method takes /// `feerate_per_kw` as an input such that multiple copies of a justice transaction at different /// fee rates may be built. - pub fn build_to_local_justice_tx(&self, feerate_per_kw: u64, destination_script: Script) + pub fn build_to_local_justice_tx(&self, feerate_per_kw: u64, destination_script: ScriptBuf) -> Result { let output_idx = self.revokeable_output_index().ok_or(())?; let input = vec![TxIn { @@ -1802,7 +1779,7 @@ impl<'a> TrustedCommitmentTransaction<'a> { txid: self.trust().txid(), vout: output_idx as u32, }, - script_sig: Script::new(), + script_sig: ScriptBuf::new(), sequence: Sequence::ENABLE_RBF_NO_LOCKTIME, witness: Witness::new(), }]; @@ -1812,13 +1789,13 @@ impl<'a> TrustedCommitmentTransaction<'a> { value, }]; let mut justice_tx = Transaction { - version: 2, - lock_time: PackedLockTime::ZERO, + version: Version::TWO, + lock_time: LockTime::ZERO, input, output, }; - let weight = justice_tx.weight() as u64 + WEIGHT_REVOKED_OUTPUT; - let fee = fee_for_weight(feerate_per_kw as u32, weight); + let weight = justice_tx.weight().to_wu() + WEIGHT_REVOKED_OUTPUT; + let fee = Amount::from_sat(fee_for_weight(feerate_per_kw as u32, weight)); justice_tx.output[0].value = value.checked_sub(fee).ok_or(())?; Ok(justice_tx) } @@ -1845,7 +1822,7 @@ pub fn get_commitment_transaction_number_obscure_factor( sha.input(&countersignatory_payment_basepoint.serialize()); sha.input(&broadcaster_payment_basepoint.serialize()); } - let res = Sha256::from_engine(sha).into_inner(); + let res = Sha256::from_engine(sha).to_byte_array(); ((res[26] as u64) << 5 * 8) | ((res[27] as u64) << 4 * 8) @@ -1858,20 +1835,22 @@ pub fn get_commitment_transaction_number_obscure_factor( #[cfg(test)] mod tests { use super::{CounterpartyCommitmentSecrets, ChannelPublicKeys}; - use crate::{hex, chain}; - use crate::prelude::*; + use crate::chain; use crate::ln::chan_utils::{get_htlc_redeemscript, get_to_countersignatory_with_anchors_redeemscript, CommitmentTransaction, TxCreationKeys, ChannelTransactionParameters, CounterpartyChannelTransactionParameters, HTLCOutputInCommitment}; use bitcoin::secp256k1::{PublicKey, SecretKey, Secp256k1}; use crate::util::test_utils; use crate::sign::{ChannelSigner, SignerProvider}; - use bitcoin::{Network, Txid, Script}; + use bitcoin::{Network, Txid, ScriptBuf}; use bitcoin::hashes::Hash; - use crate::ln::PaymentHash; - use bitcoin::hashes::hex::ToHex; - use bitcoin::util::address::Payload; + use bitcoin::hashes::hex::FromHex; + use crate::ln::types::PaymentHash; + use bitcoin::address::Payload; use bitcoin::PublicKey as BitcoinPublicKey; use crate::ln::features::ChannelTypeFeatures; + #[allow(unused_imports)] + use crate::prelude::*; + struct TestCommitmentTxBuilder { commitment_number: u64, holder_funding_pubkey: PublicKey, @@ -1892,7 +1871,7 @@ mod tests { let signer = keys_provider.derive_channel_signer(3000, keys_provider.generate_channel_keys_id(false, 1_000_000, 0)); let counterparty_signer = keys_provider.derive_channel_signer(3000, keys_provider.generate_channel_keys_id(true, 1_000_000, 1)); let delayed_payment_base = &signer.pubkeys().delayed_payment_basepoint; - let per_commitment_secret = SecretKey::from_slice(&hex::decode("1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100").unwrap()[..]).unwrap(); + let per_commitment_secret = SecretKey::from_slice(&>::from_hex("1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100").unwrap()[..]).unwrap(); let per_commitment_point = PublicKey::from_secret_key(&secp_ctx, &per_commitment_secret); let htlc_basepoint = &signer.pubkeys().htlc_basepoint; let holder_pubkeys = signer.pubkeys(); @@ -1944,7 +1923,7 @@ mod tests { builder.channel_parameters.channel_type_features = ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies(); let tx = builder.build(1000, 2000); assert_eq!(tx.built.transaction.output.len(), 4); - assert_eq!(tx.built.transaction.output[3].script_pubkey, get_to_countersignatory_with_anchors_redeemscript(&builder.counterparty_pubkeys.payment_point).to_v0_p2wsh()); + assert_eq!(tx.built.transaction.output[3].script_pubkey, get_to_countersignatory_with_anchors_redeemscript(&builder.counterparty_pubkeys.payment_point).to_p2wsh()); // Generate broadcaster output and anchor let tx = builder.build(3000, 0); @@ -1976,11 +1955,11 @@ mod tests { let tx = builder.build(3000, 0); let keys = &builder.keys.clone(); assert_eq!(tx.built.transaction.output.len(), 3); - assert_eq!(tx.built.transaction.output[0].script_pubkey, get_htlc_redeemscript(&received_htlc, &ChannelTypeFeatures::only_static_remote_key(), &keys).to_v0_p2wsh()); - assert_eq!(tx.built.transaction.output[1].script_pubkey, get_htlc_redeemscript(&offered_htlc, &ChannelTypeFeatures::only_static_remote_key(), &keys).to_v0_p2wsh()); - assert_eq!(get_htlc_redeemscript(&received_htlc, &ChannelTypeFeatures::only_static_remote_key(), &keys).to_v0_p2wsh().to_hex(), + assert_eq!(tx.built.transaction.output[0].script_pubkey, get_htlc_redeemscript(&received_htlc, &ChannelTypeFeatures::only_static_remote_key(), &keys).to_p2wsh()); + assert_eq!(tx.built.transaction.output[1].script_pubkey, get_htlc_redeemscript(&offered_htlc, &ChannelTypeFeatures::only_static_remote_key(), &keys).to_p2wsh()); + assert_eq!(get_htlc_redeemscript(&received_htlc, &ChannelTypeFeatures::only_static_remote_key(), &keys).to_p2wsh().to_hex_string(), "0020e43a7c068553003fe68fcae424fb7b28ec5ce48cd8b6744b3945631389bad2fb"); - assert_eq!(get_htlc_redeemscript(&offered_htlc, &ChannelTypeFeatures::only_static_remote_key(), &keys).to_v0_p2wsh().to_hex(), + assert_eq!(get_htlc_redeemscript(&offered_htlc, &ChannelTypeFeatures::only_static_remote_key(), &keys).to_p2wsh().to_hex_string(), "0020215d61bba56b19e9eadb6107f5a85d7f99c40f65992443f69229c290165bc00d"); // Generate broadcaster output and received and offered HTLC outputs, with anchors @@ -1988,11 +1967,11 @@ mod tests { builder.htlcs_with_aux = vec![(received_htlc.clone(), ()), (offered_htlc.clone(), ())]; let tx = builder.build(3000, 0); assert_eq!(tx.built.transaction.output.len(), 5); - assert_eq!(tx.built.transaction.output[2].script_pubkey, get_htlc_redeemscript(&received_htlc, &ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies(), &keys).to_v0_p2wsh()); - assert_eq!(tx.built.transaction.output[3].script_pubkey, get_htlc_redeemscript(&offered_htlc, &ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies(), &keys).to_v0_p2wsh()); - assert_eq!(get_htlc_redeemscript(&received_htlc, &ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies(), &keys).to_v0_p2wsh().to_hex(), + assert_eq!(tx.built.transaction.output[2].script_pubkey, get_htlc_redeemscript(&received_htlc, &ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies(), &keys).to_p2wsh()); + assert_eq!(tx.built.transaction.output[3].script_pubkey, get_htlc_redeemscript(&offered_htlc, &ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies(), &keys).to_p2wsh()); + assert_eq!(get_htlc_redeemscript(&received_htlc, &ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies(), &keys).to_p2wsh().to_hex_string(), "0020b70d0649c72b38756885c7a30908d912a7898dd5d79457a7280b8e9a20f3f2bc"); - assert_eq!(get_htlc_redeemscript(&offered_htlc, &ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies(), &keys).to_v0_p2wsh().to_hex(), + assert_eq!(get_htlc_redeemscript(&offered_htlc, &ChannelTypeFeatures::anchors_zero_htlc_fee_and_dependencies(), &keys).to_p2wsh().to_hex_string(), "002087a3faeb1950a469c0e2db4a79b093a41b9526e5a6fc6ef5cb949bde3be379c7"); } @@ -2023,22 +2002,22 @@ mod tests { // Revokeable output not present (our balance is dust) let tx = builder.build(0, 2000); assert_eq!(tx.built.transaction.output.len(), 1); - assert!(tx.trust().build_to_local_justice_tx(253, Script::new()).is_err()); + assert!(tx.trust().build_to_local_justice_tx(253, ScriptBuf::new()).is_err()); // Revokeable output present let tx = builder.build(1000, 2000); assert_eq!(tx.built.transaction.output.len(), 2); // Too high feerate - assert!(tx.trust().build_to_local_justice_tx(100_000, Script::new()).is_err()); + assert!(tx.trust().build_to_local_justice_tx(100_000, ScriptBuf::new()).is_err()); // Generate a random public key for destination script let secret_key = SecretKey::from_slice( - &hex::decode("1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100") + &>::from_hex("1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100") .unwrap()[..]).unwrap(); let pubkey_hash = BitcoinPublicKey::new( PublicKey::from_secret_key(&Secp256k1::new(), &secret_key)).wpubkey_hash().unwrap(); - let destination_script = Script::new_v0_p2wpkh(&pubkey_hash); + let destination_script = ScriptBuf::new_p2wpkh(&pubkey_hash); let justice_tx = tx.trust().build_to_local_justice_tx(253, destination_script.clone()).unwrap(); assert_eq!(justice_tx.input.len(), 1); @@ -2047,7 +2026,7 @@ mod tests { assert!(justice_tx.input[0].sequence.is_rbf()); assert_eq!(justice_tx.output.len(), 1); - assert!(justice_tx.output[0].value < 1000); + assert!(justice_tx.output[0].value.to_sat() < 1000); assert_eq!(justice_tx.output[0].script_pubkey, destination_script); } @@ -2075,42 +2054,42 @@ mod tests { secrets.clear(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); monitor.provide_secret(281474976710655, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); monitor.provide_secret(281474976710654, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); monitor.provide_secret(281474976710653, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); monitor.provide_secret(281474976710652, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c65716add7aa98ba7acb236352d665cab17345fe45b55fb879ff80e6bd0c41dd").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c65716add7aa98ba7acb236352d665cab17345fe45b55fb879ff80e6bd0c41dd").unwrap()); monitor.provide_secret(281474976710651, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("969660042a28f32d9be17344e09374b379962d03db1574df5a8a5a47e19ce3f2").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("969660042a28f32d9be17344e09374b379962d03db1574df5a8a5a47e19ce3f2").unwrap()); monitor.provide_secret(281474976710650, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("a5a64476122ca0925fb344bdc1854c1c0a59fc614298e50a33e331980a220f32").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("a5a64476122ca0925fb344bdc1854c1c0a59fc614298e50a33e331980a220f32").unwrap()); monitor.provide_secret(281474976710649, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("05cde6323d949933f7f7b78776bcc1ea6d9b31447732e3802e1f7ac44b650e17").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("05cde6323d949933f7f7b78776bcc1ea6d9b31447732e3802e1f7ac44b650e17").unwrap()); monitor.provide_secret(281474976710648, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); } @@ -2121,12 +2100,12 @@ mod tests { secrets.clear(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("02a40c85b6f28da08dfdbe0926c53fab2de6d28c10301f8f7c4073d5e42e3148").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("02a40c85b6f28da08dfdbe0926c53fab2de6d28c10301f8f7c4073d5e42e3148").unwrap()); monitor.provide_secret(281474976710655, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); assert!(monitor.provide_secret(281474976710654, secrets.last().unwrap().clone()).is_err()); } @@ -2136,22 +2115,22 @@ mod tests { secrets.clear(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("02a40c85b6f28da08dfdbe0926c53fab2de6d28c10301f8f7c4073d5e42e3148").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("02a40c85b6f28da08dfdbe0926c53fab2de6d28c10301f8f7c4073d5e42e3148").unwrap()); monitor.provide_secret(281474976710655, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("dddc3a8d14fddf2b68fa8c7fbad2748274937479dd0f8930d5ebb4ab6bd866a3").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("dddc3a8d14fddf2b68fa8c7fbad2748274937479dd0f8930d5ebb4ab6bd866a3").unwrap()); monitor.provide_secret(281474976710654, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); monitor.provide_secret(281474976710653, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); assert!(monitor.provide_secret(281474976710652, secrets.last().unwrap().clone()).is_err()); } @@ -2161,22 +2140,22 @@ mod tests { secrets.clear(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); monitor.provide_secret(281474976710655, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); monitor.provide_secret(281474976710654, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c51a18b13e8527e579ec56365482c62f180b7d5760b46e9477dae59e87ed423a").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c51a18b13e8527e579ec56365482c62f180b7d5760b46e9477dae59e87ed423a").unwrap()); monitor.provide_secret(281474976710653, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); assert!(monitor.provide_secret(281474976710652, secrets.last().unwrap().clone()).is_err()); } @@ -2186,42 +2165,42 @@ mod tests { secrets.clear(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("02a40c85b6f28da08dfdbe0926c53fab2de6d28c10301f8f7c4073d5e42e3148").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("02a40c85b6f28da08dfdbe0926c53fab2de6d28c10301f8f7c4073d5e42e3148").unwrap()); monitor.provide_secret(281474976710655, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("dddc3a8d14fddf2b68fa8c7fbad2748274937479dd0f8930d5ebb4ab6bd866a3").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("dddc3a8d14fddf2b68fa8c7fbad2748274937479dd0f8930d5ebb4ab6bd866a3").unwrap()); monitor.provide_secret(281474976710654, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c51a18b13e8527e579ec56365482c62f180b7d5760b46e9477dae59e87ed423a").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c51a18b13e8527e579ec56365482c62f180b7d5760b46e9477dae59e87ed423a").unwrap()); monitor.provide_secret(281474976710653, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("ba65d7b0ef55a3ba300d4e87af29868f394f8f138d78a7011669c79b37b936f4").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("ba65d7b0ef55a3ba300d4e87af29868f394f8f138d78a7011669c79b37b936f4").unwrap()); monitor.provide_secret(281474976710652, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c65716add7aa98ba7acb236352d665cab17345fe45b55fb879ff80e6bd0c41dd").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c65716add7aa98ba7acb236352d665cab17345fe45b55fb879ff80e6bd0c41dd").unwrap()); monitor.provide_secret(281474976710651, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("969660042a28f32d9be17344e09374b379962d03db1574df5a8a5a47e19ce3f2").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("969660042a28f32d9be17344e09374b379962d03db1574df5a8a5a47e19ce3f2").unwrap()); monitor.provide_secret(281474976710650, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("a5a64476122ca0925fb344bdc1854c1c0a59fc614298e50a33e331980a220f32").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("a5a64476122ca0925fb344bdc1854c1c0a59fc614298e50a33e331980a220f32").unwrap()); monitor.provide_secret(281474976710649, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("05cde6323d949933f7f7b78776bcc1ea6d9b31447732e3802e1f7ac44b650e17").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("05cde6323d949933f7f7b78776bcc1ea6d9b31447732e3802e1f7ac44b650e17").unwrap()); assert!(monitor.provide_secret(281474976710648, secrets.last().unwrap().clone()).is_err()); } @@ -2231,32 +2210,32 @@ mod tests { secrets.clear(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); monitor.provide_secret(281474976710655, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); monitor.provide_secret(281474976710654, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); monitor.provide_secret(281474976710653, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); monitor.provide_secret(281474976710652, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("631373ad5f9ef654bb3dade742d09504c567edd24320d2fcd68e3cc47e2ff6a6").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("631373ad5f9ef654bb3dade742d09504c567edd24320d2fcd68e3cc47e2ff6a6").unwrap()); monitor.provide_secret(281474976710651, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("969660042a28f32d9be17344e09374b379962d03db1574df5a8a5a47e19ce3f2").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("969660042a28f32d9be17344e09374b379962d03db1574df5a8a5a47e19ce3f2").unwrap()); assert!(monitor.provide_secret(281474976710650, secrets.last().unwrap().clone()).is_err()); } @@ -2266,42 +2245,42 @@ mod tests { secrets.clear(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); monitor.provide_secret(281474976710655, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); monitor.provide_secret(281474976710654, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); monitor.provide_secret(281474976710653, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); monitor.provide_secret(281474976710652, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("631373ad5f9ef654bb3dade742d09504c567edd24320d2fcd68e3cc47e2ff6a6").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("631373ad5f9ef654bb3dade742d09504c567edd24320d2fcd68e3cc47e2ff6a6").unwrap()); monitor.provide_secret(281474976710651, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("b7e76a83668bde38b373970155c868a653304308f9896692f904a23731224bb1").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("b7e76a83668bde38b373970155c868a653304308f9896692f904a23731224bb1").unwrap()); monitor.provide_secret(281474976710650, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("a5a64476122ca0925fb344bdc1854c1c0a59fc614298e50a33e331980a220f32").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("a5a64476122ca0925fb344bdc1854c1c0a59fc614298e50a33e331980a220f32").unwrap()); monitor.provide_secret(281474976710649, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("05cde6323d949933f7f7b78776bcc1ea6d9b31447732e3802e1f7ac44b650e17").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("05cde6323d949933f7f7b78776bcc1ea6d9b31447732e3802e1f7ac44b650e17").unwrap()); assert!(monitor.provide_secret(281474976710648, secrets.last().unwrap().clone()).is_err()); } @@ -2311,42 +2290,42 @@ mod tests { secrets.clear(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); monitor.provide_secret(281474976710655, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); monitor.provide_secret(281474976710654, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); monitor.provide_secret(281474976710653, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); monitor.provide_secret(281474976710652, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c65716add7aa98ba7acb236352d665cab17345fe45b55fb879ff80e6bd0c41dd").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c65716add7aa98ba7acb236352d665cab17345fe45b55fb879ff80e6bd0c41dd").unwrap()); monitor.provide_secret(281474976710651, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("969660042a28f32d9be17344e09374b379962d03db1574df5a8a5a47e19ce3f2").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("969660042a28f32d9be17344e09374b379962d03db1574df5a8a5a47e19ce3f2").unwrap()); monitor.provide_secret(281474976710650, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("e7971de736e01da8ed58b94c2fc216cb1dca9e326f3a96e7194fe8ea8af6c0a3").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("e7971de736e01da8ed58b94c2fc216cb1dca9e326f3a96e7194fe8ea8af6c0a3").unwrap()); monitor.provide_secret(281474976710649, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("05cde6323d949933f7f7b78776bcc1ea6d9b31447732e3802e1f7ac44b650e17").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("05cde6323d949933f7f7b78776bcc1ea6d9b31447732e3802e1f7ac44b650e17").unwrap()); assert!(monitor.provide_secret(281474976710648, secrets.last().unwrap().clone()).is_err()); } @@ -2356,42 +2335,42 @@ mod tests { secrets.clear(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()); monitor.provide_secret(281474976710655, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c7518c8ae4660ed02894df8976fa1a3659c1a8b4b5bec0c4b872abeba4cb8964").unwrap()); monitor.provide_secret(281474976710654, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("2273e227a5b7449b6e70f1fb4652864038b1cbf9cd7c043a7d6456b7fc275ad8").unwrap()); monitor.provide_secret(281474976710653, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("27cddaa5624534cb6cb9d7da077cf2b22ab21e9b506fd4998a51d54502e99116").unwrap()); monitor.provide_secret(281474976710652, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("c65716add7aa98ba7acb236352d665cab17345fe45b55fb879ff80e6bd0c41dd").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("c65716add7aa98ba7acb236352d665cab17345fe45b55fb879ff80e6bd0c41dd").unwrap()); monitor.provide_secret(281474976710651, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("969660042a28f32d9be17344e09374b379962d03db1574df5a8a5a47e19ce3f2").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("969660042a28f32d9be17344e09374b379962d03db1574df5a8a5a47e19ce3f2").unwrap()); monitor.provide_secret(281474976710650, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("a5a64476122ca0925fb344bdc1854c1c0a59fc614298e50a33e331980a220f32").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("a5a64476122ca0925fb344bdc1854c1c0a59fc614298e50a33e331980a220f32").unwrap()); monitor.provide_secret(281474976710649, secrets.last().unwrap().clone()).unwrap(); test_secrets!(); secrets.push([0; 32]); - secrets.last_mut().unwrap()[0..32].clone_from_slice(&hex::decode("a7efbc61aac46d34f77778bac22c8a20c6a46ca460addc49009bda875ec88fa4").unwrap()); + secrets.last_mut().unwrap()[0..32].clone_from_slice(&>::from_hex("a7efbc61aac46d34f77778bac22c8a20c6a46ca460addc49009bda875ec88fa4").unwrap()); assert!(monitor.provide_secret(281474976710648, secrets.last().unwrap().clone()).is_err()); } }