X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fln%2Fchan_utils.rs;h=eab80a54e797cd9489e2fe25c59dc76f15375c48;hb=3b09db80eaff12af791e28eddb03f3b44957ab5f;hp=dabc0f4f47b943d60d277524ff5b1bc2276a3f1b;hpb=09919d2af0bb16a8cc63a50c08c4a02aae95f5be;p=rust-lightning diff --git a/src/ln/chan_utils.rs b/src/ln/chan_utils.rs index dabc0f4f..eab80a54 100644 --- a/src/ln/chan_utils.rs +++ b/src/ln/chan_utils.rs @@ -1,12 +1,12 @@ use bitcoin::blockdata::script::{Script,Builder}; use bitcoin::blockdata::opcodes; use bitcoin::blockdata::transaction::{TxIn,TxOut,OutPoint,Transaction}; -use bitcoin::util::hash::{Sha256dHash}; use bitcoin_hashes::{Hash, HashEngine}; use bitcoin_hashes::sha256::Hash as Sha256; use bitcoin_hashes::ripemd160::Hash as Ripemd160; use bitcoin_hashes::hash160::Hash as Hash160; +use bitcoin_hashes::sha256d::Hash as Sha256dHash; use ln::channelmanager::PaymentHash; @@ -39,7 +39,7 @@ pub fn derive_private_key(secp_ctx: &Secp256k1, per_co let res = Sha256::from_engine(sha).into_inner(); let mut key = base_secret.clone(); - key.add_assign(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &res)?)?; + key.add_assign(&res)?; Ok(key) } @@ -49,8 +49,8 @@ pub fn derive_public_key(secp_ctx: &Secp256k1, per_com sha.input(&base_point.serialize()); let res = Sha256::from_engine(sha).into_inner(); - let hashkey = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &res)?); - base_point.combine(&secp_ctx, &hashkey) + let hashkey = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&res)?); + base_point.combine(&hashkey) } /// Derives a revocation key from its constituent parts @@ -63,21 +63,21 @@ pub fn derive_private_revocation_key(secp_ctx: &Secp256k1 sha.input(&revocation_base_point.serialize()); sha.input(&per_commitment_point.serialize()); - SecretKey::from_slice(&secp_ctx, &Sha256::from_engine(sha).into_inner())? + 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(&revocation_base_point.serialize()); - SecretKey::from_slice(&secp_ctx, &Sha256::from_engine(sha).into_inner())? + Sha256::from_engine(sha).into_inner() }; let mut part_a = revocation_base_secret.clone(); - part_a.mul_assign(&secp_ctx, &rev_append_commit_hash_key)?; + part_a.mul_assign(&rev_append_commit_hash_key)?; let mut part_b = per_commitment_secret.clone(); - part_b.mul_assign(&secp_ctx, &commit_append_rev_hash_key)?; - part_a.add_assign(&secp_ctx, &part_b)?; + part_b.mul_assign(&commit_append_rev_hash_key)?; + part_a.add_assign(&part_b[..])?; Ok(part_a) } @@ -87,21 +87,21 @@ pub fn derive_public_revocation_key(secp_ctx: &Secp2 sha.input(&revocation_base_point.serialize()); sha.input(&per_commitment_point.serialize()); - SecretKey::from_slice(&secp_ctx, &Sha256::from_engine(sha).into_inner())? + 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(&revocation_base_point.serialize()); - SecretKey::from_slice(&secp_ctx, &Sha256::from_engine(sha).into_inner())? + Sha256::from_engine(sha).into_inner() }; let mut part_a = revocation_base_point.clone(); part_a.mul_assign(&secp_ctx, &rev_append_commit_hash_key)?; let mut part_b = per_commitment_point.clone(); part_b.mul_assign(&secp_ctx, &commit_append_rev_hash_key)?; - part_a.combine(&secp_ctx, &part_b) + part_a.combine(&part_b) } pub struct TxCreationKeys { @@ -129,15 +129,15 @@ impl TxCreationKeys { /// Gets the "to_local" output redeemscript, ie the script which is time-locked or spendable by /// the revocation key pub fn get_revokeable_redeemscript(revocation_key: &PublicKey, to_self_delay: u16, delayed_payment_key: &PublicKey) -> Script { - Builder::new().push_opcode(opcodes::All::OP_IF) + Builder::new().push_opcode(opcodes::all::OP_IF) .push_slice(&revocation_key.serialize()) - .push_opcode(opcodes::All::OP_ELSE) + .push_opcode(opcodes::all::OP_ELSE) .push_int(to_self_delay as i64) .push_opcode(opcodes::OP_CSV) - .push_opcode(opcodes::All::OP_DROP) + .push_opcode(opcodes::all::OP_DROP) .push_slice(&delayed_payment_key.serialize()) - .push_opcode(opcodes::All::OP_ENDIF) - .push_opcode(opcodes::All::OP_CHECKSIG) + .push_opcode(opcodes::all::OP_ENDIF) + .push_opcode(opcodes::all::OP_CHECKSIG) .into_script() } @@ -154,63 +154,63 @@ pub struct HTLCOutputInCommitment { pub fn get_htlc_redeemscript_with_explicit_keys(htlc: &HTLCOutputInCommitment, a_htlc_key: &PublicKey, b_htlc_key: &PublicKey, revocation_key: &PublicKey) -> Script { let payment_hash160 = Ripemd160::hash(&htlc.payment_hash.0[..]).into_inner(); if htlc.offered { - Builder::new().push_opcode(opcodes::All::OP_DUP) - .push_opcode(opcodes::All::OP_HASH160) + Builder::new().push_opcode(opcodes::all::OP_DUP) + .push_opcode(opcodes::all::OP_HASH160) .push_slice(&Hash160::hash(&revocation_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_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(&b_htlc_key.serialize()[..]) - .push_opcode(opcodes::All::OP_SWAP) - .push_opcode(opcodes::All::OP_SIZE) + .push_opcode(opcodes::all::OP_SWAP) + .push_opcode(opcodes::all::OP_SIZE) .push_int(32) - .push_opcode(opcodes::All::OP_EQUAL) - .push_opcode(opcodes::All::OP_NOTIF) - .push_opcode(opcodes::All::OP_DROP) + .push_opcode(opcodes::all::OP_EQUAL) + .push_opcode(opcodes::all::OP_NOTIF) + .push_opcode(opcodes::all::OP_DROP) .push_int(2) - .push_opcode(opcodes::All::OP_SWAP) + .push_opcode(opcodes::all::OP_SWAP) .push_slice(&a_htlc_key.serialize()[..]) .push_int(2) - .push_opcode(opcodes::All::OP_CHECKMULTISIG) - .push_opcode(opcodes::All::OP_ELSE) - .push_opcode(opcodes::All::OP_HASH160) + .push_opcode(opcodes::all::OP_CHECKMULTISIG) + .push_opcode(opcodes::all::OP_ELSE) + .push_opcode(opcodes::all::OP_HASH160) .push_slice(&payment_hash160) - .push_opcode(opcodes::All::OP_EQUALVERIFY) - .push_opcode(opcodes::All::OP_CHECKSIG) - .push_opcode(opcodes::All::OP_ENDIF) - .push_opcode(opcodes::All::OP_ENDIF) + .push_opcode(opcodes::all::OP_EQUALVERIFY) + .push_opcode(opcodes::all::OP_CHECKSIG) + .push_opcode(opcodes::all::OP_ENDIF) + .push_opcode(opcodes::all::OP_ENDIF) .into_script() } else { - Builder::new().push_opcode(opcodes::All::OP_DUP) - .push_opcode(opcodes::All::OP_HASH160) + Builder::new().push_opcode(opcodes::all::OP_DUP) + .push_opcode(opcodes::all::OP_HASH160) .push_slice(&Hash160::hash(&revocation_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_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(&b_htlc_key.serialize()[..]) - .push_opcode(opcodes::All::OP_SWAP) - .push_opcode(opcodes::All::OP_SIZE) + .push_opcode(opcodes::all::OP_SWAP) + .push_opcode(opcodes::all::OP_SIZE) .push_int(32) - .push_opcode(opcodes::All::OP_EQUAL) - .push_opcode(opcodes::All::OP_IF) - .push_opcode(opcodes::All::OP_HASH160) + .push_opcode(opcodes::all::OP_EQUAL) + .push_opcode(opcodes::all::OP_IF) + .push_opcode(opcodes::all::OP_HASH160) .push_slice(&payment_hash160) - .push_opcode(opcodes::All::OP_EQUALVERIFY) + .push_opcode(opcodes::all::OP_EQUALVERIFY) .push_int(2) - .push_opcode(opcodes::All::OP_SWAP) + .push_opcode(opcodes::all::OP_SWAP) .push_slice(&a_htlc_key.serialize()[..]) .push_int(2) - .push_opcode(opcodes::All::OP_CHECKMULTISIG) - .push_opcode(opcodes::All::OP_ELSE) - .push_opcode(opcodes::All::OP_DROP) + .push_opcode(opcodes::all::OP_CHECKMULTISIG) + .push_opcode(opcodes::all::OP_ELSE) + .push_opcode(opcodes::all::OP_DROP) .push_int(htlc.cltv_expiry as i64) .push_opcode(opcodes::OP_CLTV) - .push_opcode(opcodes::All::OP_DROP) - .push_opcode(opcodes::All::OP_CHECKSIG) - .push_opcode(opcodes::All::OP_ENDIF) - .push_opcode(opcodes::All::OP_ENDIF) + .push_opcode(opcodes::all::OP_DROP) + .push_opcode(opcodes::all::OP_CHECKSIG) + .push_opcode(opcodes::all::OP_ENDIF) + .push_opcode(opcodes::all::OP_ENDIF) .into_script() } }