X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fchain%2Ftransaction.rs;h=7a447dd5d9083bc959b9bacca4289715b116ad71;hb=73da722d18af7b510711c405154d81c1c9458942;hp=ce449a4102c31498232874498c3e6cced2da8c20;hpb=2223e92ac6b1ef0b11ac7448ed35f5d0adf77aaa;p=rust-lightning diff --git a/lightning/src/chain/transaction.rs b/lightning/src/chain/transaction.rs index ce449a41..7a447dd5 100644 --- a/lightning/src/chain/transaction.rs +++ b/lightning/src/chain/transaction.rs @@ -56,18 +56,9 @@ pub struct OutPoint { } 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 - } - /// Converts this OutPoint into the OutPoint field as used by rust-bitcoin /// - /// This is not exported to bindings users as the same type is used universally in the C bindings + /// 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 { @@ -77,27 +68,42 @@ 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 }); +#[derive(Debug, Clone)] +pub(crate) struct MaybeSignedTransaction(pub Transaction); + +impl MaybeSignedTransaction { + pub fn is_fully_signed(&self) -> bool { + !self.0.input.iter().any(|input| input.witness.is_empty()) + } +} + #[cfg(test)] mod tests { use crate::chain::transaction::OutPoint; + use crate::ln::ChannelId; use bitcoin::blockdata::transaction::Transaction; use bitcoin::consensus::encode; - - use hex; + use bitcoin::hashes::hex::FromHex; #[test] fn test_channel_id_calculation() { - let tx: Transaction = encode::deserialize(&hex::decode("020000000001010e0adef48412e4361325ac1c6e36411299ab09d4f083b9d8ddb55fbc06e1b0c00000000000feffffff0220a1070000000000220020f81d95e040bd0a493e38bae27bff52fe2bb58b93b293eb579c01c31b05c5af1dc072cfee54a3000016001434b1d6211af5551905dc2642d05f5b04d25a8fe80247304402207f570e3f0de50546aad25a872e3df059d277e776dda4269fa0d2cc8c2ee6ec9a022054e7fae5ca94d47534c86705857c24ceea3ad51c69dd6051c5850304880fc43a012103cb11a1bacc223d98d91f1946c6752e358a5eb1a1c983b3e6fb15378f453b76bd00000000").unwrap()[..]).unwrap(); - assert_eq!(&OutPoint { + let tx: Transaction = encode::deserialize(&>::from_hex("020000000001010e0adef48412e4361325ac1c6e36411299ab09d4f083b9d8ddb55fbc06e1b0c00000000000feffffff0220a1070000000000220020f81d95e040bd0a493e38bae27bff52fe2bb58b93b293eb579c01c31b05c5af1dc072cfee54a3000016001434b1d6211af5551905dc2642d05f5b04d25a8fe80247304402207f570e3f0de50546aad25a872e3df059d277e776dda4269fa0d2cc8c2ee6ec9a022054e7fae5ca94d47534c86705857c24ceea3ad51c69dd6051c5850304880fc43a012103cb11a1bacc223d98d91f1946c6752e358a5eb1a1c983b3e6fb15378f453b76bd00000000").unwrap()[..]).unwrap(); + assert_eq!(&ChannelId::v1_from_funding_outpoint(OutPoint { txid: tx.txid(), index: 0 - }.to_channel_id(), &hex::decode("3e88dd7165faf7be58b3c5bb2c9c452aebef682807ea57080f62e6f6e113c25e").unwrap()[..]); - assert_eq!(&OutPoint { + }).0[..], &>::from_hex("3e88dd7165faf7be58b3c5bb2c9c452aebef682807ea57080f62e6f6e113c25e").unwrap()[..]); + assert_eq!(&ChannelId::v1_from_funding_outpoint(OutPoint { txid: tx.txid(), index: 1 - }.to_channel_id(), &hex::decode("3e88dd7165faf7be58b3c5bb2c9c452aebef682807ea57080f62e6f6e113c25f").unwrap()[..]); + }).0[..], &>::from_hex("3e88dd7165faf7be58b3c5bb2c9c452aebef682807ea57080f62e6f6e113c25f").unwrap()[..]); } }