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Prefetch per-direction channel info before looking at the channel
[rust-lightning]
/
lightning
/
src
/
chain
/
transaction.rs
diff --git
a/lightning/src/chain/transaction.rs
b/lightning/src/chain/transaction.rs
index 0219ebbe8cad9631e1f2fef8c7b05600828e9f24..5bef97792d3944252837f67d8e7ebefe8a797e57 100644
(file)
--- a/
lightning/src/chain/transaction.rs
+++ b/
lightning/src/chain/transaction.rs
@@
-9,7
+9,9
@@
//! Types describing on-chain transactions.
//! Types describing on-chain transactions.
+use crate::ln::ChannelId;
use bitcoin::hash_types::Txid;
use bitcoin::hash_types::Txid;
+use bitcoin::hashes::Hash;
use bitcoin::blockdata::transaction::OutPoint as BitcoinOutPoint;
use bitcoin::blockdata::transaction::Transaction;
use bitcoin::blockdata::transaction::OutPoint as BitcoinOutPoint;
use bitcoin::blockdata::transaction::Transaction;
@@
-57,16
+59,14
@@
pub struct OutPoint {
impl OutPoint {
/// Convert an `OutPoint` to a lightning channel id.
impl OutPoint {
/// Convert an `OutPoint` to a lightning channel id.
- pub fn to_channel_id(&self) -> [u8; 32] {
- let mut res = [0; 32];
- res[..].copy_from_slice(&self.txid[..]);
- res[30] ^= ((self.index >> 8) & 0xff) as u8;
- res[31] ^= ((self.index >> 0) & 0xff) as u8;
- res
+ pub fn to_channel_id(&self) -> ChannelId {
+ ChannelId::v1_from_funding_txid(self.txid.as_byte_array(), self.index)
}
/// Converts this OutPoint into the OutPoint field as used by rust-bitcoin
}
/// Converts this OutPoint into the OutPoint field as used by rust-bitcoin
- /// (C-not exported) as the same type is used universally in the C bindings for all outpoints
+ ///
+ /// This is not exported to bindings users as the same type is used universally in the C bindings
+ /// for all outpoints
pub fn into_bitcoin_outpoint(self) -> BitcoinOutPoint {
BitcoinOutPoint {
txid: self.txid,
pub fn into_bitcoin_outpoint(self) -> BitcoinOutPoint {
BitcoinOutPoint {
txid: self.txid,
@@
-75,27
+75,32
@@
impl OutPoint {
}
}
}
}
+impl core::fmt::Display for OutPoint {
+ fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+ write!(f, "{}:{}", self.txid, self.index)
+ }
+}
+
impl_writeable!(OutPoint, { txid, index });
#[cfg(test)]
mod tests {
impl_writeable!(OutPoint, { txid, index });
#[cfg(test)]
mod tests {
- use chain::transaction::OutPoint;
+ use c
rate::c
hain::transaction::OutPoint;
use bitcoin::blockdata::transaction::Transaction;
use bitcoin::consensus::encode;
use bitcoin::blockdata::transaction::Transaction;
use bitcoin::consensus::encode;
-
- use hex;
+ use bitcoin::hashes::hex::FromHex;
#[test]
fn test_channel_id_calculation() {
#[test]
fn test_channel_id_calculation() {
- let tx: Transaction = encode::deserialize(&
hex::decode
("020000000001010e0adef48412e4361325ac1c6e36411299ab09d4f083b9d8ddb55fbc06e1b0c00000000000feffffff0220a1070000000000220020f81d95e040bd0a493e38bae27bff52fe2bb58b93b293eb579c01c31b05c5af1dc072cfee54a3000016001434b1d6211af5551905dc2642d05f5b04d25a8fe80247304402207f570e3f0de50546aad25a872e3df059d277e776dda4269fa0d2cc8c2ee6ec9a022054e7fae5ca94d47534c86705857c24ceea3ad51c69dd6051c5850304880fc43a012103cb11a1bacc223d98d91f1946c6752e358a5eb1a1c983b3e6fb15378f453b76bd00000000").unwrap()[..]).unwrap();
+ let tx: Transaction = encode::deserialize(&
<Vec<u8>>::from_hex
("020000000001010e0adef48412e4361325ac1c6e36411299ab09d4f083b9d8ddb55fbc06e1b0c00000000000feffffff0220a1070000000000220020f81d95e040bd0a493e38bae27bff52fe2bb58b93b293eb579c01c31b05c5af1dc072cfee54a3000016001434b1d6211af5551905dc2642d05f5b04d25a8fe80247304402207f570e3f0de50546aad25a872e3df059d277e776dda4269fa0d2cc8c2ee6ec9a022054e7fae5ca94d47534c86705857c24ceea3ad51c69dd6051c5850304880fc43a012103cb11a1bacc223d98d91f1946c6752e358a5eb1a1c983b3e6fb15378f453b76bd00000000").unwrap()[..]).unwrap();
assert_eq!(&OutPoint {
txid: tx.txid(),
index: 0
assert_eq!(&OutPoint {
txid: tx.txid(),
index: 0
- }.to_channel_id()
, &hex::decode
("3e88dd7165faf7be58b3c5bb2c9c452aebef682807ea57080f62e6f6e113c25e").unwrap()[..]);
+ }.to_channel_id()
.0[..], &<Vec<u8>>::from_hex
("3e88dd7165faf7be58b3c5bb2c9c452aebef682807ea57080f62e6f6e113c25e").unwrap()[..]);
assert_eq!(&OutPoint {
txid: tx.txid(),
index: 1
assert_eq!(&OutPoint {
txid: tx.txid(),
index: 1
- }.to_channel_id()
, &hex::decode
("3e88dd7165faf7be58b3c5bb2c9c452aebef682807ea57080f62e6f6e113c25f").unwrap()[..]);
+ }.to_channel_id()
.0[..], &<Vec<u8>>::from_hex
("3e88dd7165faf7be58b3c5bb2c9c452aebef682807ea57080f62e6f6e113c25f").unwrap()[..]);
}
}
}
}