X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fln%2Fchannel.rs;h=978be08dc217e4284ef576473a7538fd677ce549;hb=ca6b44b8cce864bac61a38a967284e8128836cbd;hp=eb5ae008dcda8c411524c97b92bbfb53183692cd;hpb=fe9bb1d97028d1c0c98972809d12e7129d18356d;p=rust-lightning diff --git a/src/ln/channel.rs b/src/ln/channel.rs index eb5ae008..978be08d 100644 --- a/src/ln/channel.rs +++ b/src/ln/channel.rs @@ -445,7 +445,7 @@ impl Channel { /// Assumes chain_hash has already been checked and corresponds with what we expect! /// Generally prefers to take the DisconnectPeer action on failure, as a notice to the sender /// that we're rejecting the new channel. - pub fn new_from_req(fee_estimator: &FeeEstimator, chan_keys: ChannelKeys, their_node_id: PublicKey, msg: &msgs::OpenChannel, user_id: u64, announce_publicly: bool) -> Result { + pub fn new_from_req(fee_estimator: &FeeEstimator, chan_keys: ChannelKeys, their_node_id: PublicKey, msg: &msgs::OpenChannel, user_id: u64, require_announce: bool, allow_announce: bool) -> Result { // Check sanity of message fields: if msg.funding_satoshis >= MAX_FUNDING_SATOSHIS { return Err(HandleError{err: "funding value > 2^24", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}); @@ -476,6 +476,12 @@ impl Channel { // Convert things into internal flags and prep our state: let their_announce = if (msg.channel_flags & 1) == 1 { true } else { false }; + if require_announce && !their_announce { + return Err(HandleError{err: "Peer tried to open unannounced channel, but we require public ones", action: Some(msgs::ErrorAction::IgnoreError) }); + } + if !allow_announce && their_announce { + return Err(HandleError{err: "Peer tried to open announced channel, but we require private ones", action: Some(msgs::ErrorAction::IgnoreError) }); + } let background_feerate = fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::Background); @@ -496,7 +502,7 @@ impl Channel { channel_state: (ChannelState::OurInitSent as u32) | (ChannelState::TheirInitSent as u32), channel_outbound: false, secp_ctx: secp_ctx, - announce_publicly: their_announce && announce_publicly, + announce_publicly: their_announce, local_keys: chan_keys, cur_local_commitment_transaction_number: (1 << 48) - 1, @@ -2330,12 +2336,12 @@ impl Channel { #[cfg(test)] mod tests { - use bitcoin::util::misc::hex_bytes; use bitcoin::util::hash::Sha256dHash; use bitcoin::util::bip143; use bitcoin::network::serialize::serialize; use bitcoin::blockdata::script::Script; use bitcoin::blockdata::transaction::Transaction; + use hex; use ln::channel::{Channel,ChannelKeys,HTLCOutput,HTLCState,HTLCOutputInCommitment,TxCreationKeys}; use ln::channel::MAX_FUNDING_SATOSHIS; use ln::chan_utils; @@ -2368,19 +2374,19 @@ mod tests { let secp_ctx = Secp256k1::new(); let chan_keys = ChannelKeys { - funding_key: SecretKey::from_slice(&secp_ctx, &hex_bytes("30ff4956bbdd3222d44cc5e8a1261dab1e07957bdac5ae88fe3261ef321f3749").unwrap()[..]).unwrap(), - payment_base_key: SecretKey::from_slice(&secp_ctx, &hex_bytes("1111111111111111111111111111111111111111111111111111111111111111").unwrap()[..]).unwrap(), - delayed_payment_base_key: SecretKey::from_slice(&secp_ctx, &hex_bytes("3333333333333333333333333333333333333333333333333333333333333333").unwrap()[..]).unwrap(), - htlc_base_key: SecretKey::from_slice(&secp_ctx, &hex_bytes("1111111111111111111111111111111111111111111111111111111111111111").unwrap()[..]).unwrap(), + funding_key: SecretKey::from_slice(&secp_ctx, &hex::decode("30ff4956bbdd3222d44cc5e8a1261dab1e07957bdac5ae88fe3261ef321f3749").unwrap()[..]).unwrap(), + payment_base_key: SecretKey::from_slice(&secp_ctx, &hex::decode("1111111111111111111111111111111111111111111111111111111111111111").unwrap()[..]).unwrap(), + delayed_payment_base_key: SecretKey::from_slice(&secp_ctx, &hex::decode("3333333333333333333333333333333333333333333333333333333333333333").unwrap()[..]).unwrap(), + htlc_base_key: SecretKey::from_slice(&secp_ctx, &hex::decode("1111111111111111111111111111111111111111111111111111111111111111").unwrap()[..]).unwrap(), // These aren't set in the test vectors: - revocation_base_key: SecretKey::from_slice(&secp_ctx, &hex_bytes("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap(), - channel_close_key: SecretKey::from_slice(&secp_ctx, &hex_bytes("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap(), - channel_monitor_claim_key: SecretKey::from_slice(&secp_ctx, &hex_bytes("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap(), + revocation_base_key: SecretKey::from_slice(&secp_ctx, &hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap(), + channel_close_key: SecretKey::from_slice(&secp_ctx, &hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap(), + channel_monitor_claim_key: SecretKey::from_slice(&secp_ctx, &hex::decode("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap(), commitment_seed: [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff], }; assert_eq!(PublicKey::from_secret_key(&secp_ctx, &chan_keys.funding_key).unwrap().serialize()[..], - hex_bytes("023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb").unwrap()[..]); + hex::decode("023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb").unwrap()[..]); let mut chan = Channel::new_outbound(&feeest, chan_keys, PublicKey::new(), 10000000, false, 42); // Nothing uses their network key in this test chan.their_to_self_delay = 144; @@ -2389,25 +2395,25 @@ mod tests { let funding_info = OutPoint::new(Sha256dHash::from_hex("8984484a580b825b9972d7adb15050b3ab624ccd731946b3eeddb92f4e7ef6be").unwrap(), 0); chan.channel_monitor.set_funding_info((funding_info, Script::new())); - chan.their_payment_basepoint = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex_bytes("4444444444444444444444444444444444444444444444444444444444444444").unwrap()[..]).unwrap()).unwrap(); + chan.their_payment_basepoint = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex::decode("4444444444444444444444444444444444444444444444444444444444444444").unwrap()[..]).unwrap()).unwrap(); assert_eq!(chan.their_payment_basepoint.serialize()[..], - hex_bytes("032c0b7cf95324a07d05398b240174dc0c2be444d96b159aa6c7f7b1e668680991").unwrap()[..]); + hex::decode("032c0b7cf95324a07d05398b240174dc0c2be444d96b159aa6c7f7b1e668680991").unwrap()[..]); - chan.their_funding_pubkey = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex_bytes("1552dfba4f6cf29a62a0af13c8d6981d36d0ef8d61ba10fb0fe90da7634d7e13").unwrap()[..]).unwrap()).unwrap(); + chan.their_funding_pubkey = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex::decode("1552dfba4f6cf29a62a0af13c8d6981d36d0ef8d61ba10fb0fe90da7634d7e13").unwrap()[..]).unwrap()).unwrap(); assert_eq!(chan.their_funding_pubkey.serialize()[..], - hex_bytes("030e9f7b623d2ccc7c9bd44d66d5ce21ce504c0acf6385a132cec6d3c39fa711c1").unwrap()[..]); + hex::decode("030e9f7b623d2ccc7c9bd44d66d5ce21ce504c0acf6385a132cec6d3c39fa711c1").unwrap()[..]); - chan.their_htlc_basepoint = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex_bytes("4444444444444444444444444444444444444444444444444444444444444444").unwrap()[..]).unwrap()).unwrap(); + chan.their_htlc_basepoint = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&secp_ctx, &hex::decode("4444444444444444444444444444444444444444444444444444444444444444").unwrap()[..]).unwrap()).unwrap(); assert_eq!(chan.their_htlc_basepoint.serialize()[..], - hex_bytes("032c0b7cf95324a07d05398b240174dc0c2be444d96b159aa6c7f7b1e668680991").unwrap()[..]); + hex::decode("032c0b7cf95324a07d05398b240174dc0c2be444d96b159aa6c7f7b1e668680991").unwrap()[..]); - chan.their_revocation_basepoint = PublicKey::from_slice(&secp_ctx, &hex_bytes("02466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f27").unwrap()[..]).unwrap(); + chan.their_revocation_basepoint = PublicKey::from_slice(&secp_ctx, &hex::decode("02466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f27").unwrap()[..]).unwrap(); // We can't just use build_local_transaction_keys here as the per_commitment_secret is not // derived from a commitment_seed, so instead we copy it here and call // build_commitment_transaction. let delayed_payment_base = PublicKey::from_secret_key(&secp_ctx, &chan.local_keys.delayed_payment_base_key).unwrap(); - let per_commitment_secret = SecretKey::from_slice(&secp_ctx, &hex_bytes("1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100").unwrap()[..]).unwrap(); + let per_commitment_secret = SecretKey::from_slice(&secp_ctx, &hex::decode("1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100").unwrap()[..]).unwrap(); let per_commitment_point = PublicKey::from_secret_key(&secp_ctx, &per_commitment_secret).unwrap(); let htlc_basepoint = PublicKey::from_secret_key(&secp_ctx, &chan.local_keys.htlc_base_key).unwrap(); let keys = TxCreationKeys::new(&secp_ctx, &per_commitment_point, &delayed_payment_base, &htlc_basepoint, &chan.their_revocation_basepoint, &chan.their_payment_basepoint, &chan.their_htlc_basepoint).unwrap(); @@ -2417,20 +2423,20 @@ mod tests { macro_rules! test_commitment { ( $their_sig_hex: expr, $our_sig_hex: expr, $tx_hex: expr) => { unsigned_tx = chan.build_commitment_transaction(0xffffffffffff - 42, &keys, true, false); - let their_signature = Signature::from_der(&secp_ctx, &hex_bytes($their_sig_hex).unwrap()[..]).unwrap(); + let their_signature = Signature::from_der(&secp_ctx, &hex::decode($their_sig_hex).unwrap()[..]).unwrap(); let sighash = Message::from_slice(&bip143::SighashComponents::new(&unsigned_tx.0).sighash_all(&unsigned_tx.0.input[0], &chan.get_funding_redeemscript(), chan.channel_value_satoshis)[..]).unwrap(); secp_ctx.verify(&sighash, &their_signature, &chan.their_funding_pubkey).unwrap(); chan.sign_commitment_transaction(&mut unsigned_tx.0, &their_signature); assert_eq!(serialize(&unsigned_tx.0).unwrap()[..], - hex_bytes($tx_hex).unwrap()[..]); + hex::decode($tx_hex).unwrap()[..]); }; } macro_rules! test_htlc_output { ( $htlc_idx: expr, $their_sig_hex: expr, $our_sig_hex: expr, $tx_hex: expr ) => { - let remote_signature = Signature::from_der(&secp_ctx, &hex_bytes($their_sig_hex).unwrap()[..]).unwrap(); + let remote_signature = Signature::from_der(&secp_ctx, &hex::decode($their_sig_hex).unwrap()[..]).unwrap(); let ref htlc = unsigned_tx.1[$htlc_idx]; let mut htlc_tx = chan.build_htlc_transaction(&unsigned_tx.0.txid(), &htlc, true, &keys); @@ -2457,7 +2463,7 @@ mod tests { chan.sign_htlc_transaction(&mut htlc_tx, &remote_signature, &preimage, &htlc, &keys).unwrap(); assert_eq!(serialize(&htlc_tx).unwrap()[..], - hex_bytes($tx_hex).unwrap()[..]); + hex::decode($tx_hex).unwrap()[..]); }; } @@ -2483,7 +2489,7 @@ mod tests { pending_forward_state: None, }; let mut sha = Sha256::new(); - sha.input(&hex_bytes("0000000000000000000000000000000000000000000000000000000000000000").unwrap()); + sha.input(&hex::decode("0000000000000000000000000000000000000000000000000000000000000000").unwrap()); sha.result(&mut out.payment_hash); out }); @@ -2500,7 +2506,7 @@ mod tests { pending_forward_state: None, }; let mut sha = Sha256::new(); - sha.input(&hex_bytes("0101010101010101010101010101010101010101010101010101010101010101").unwrap()); + sha.input(&hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()); sha.result(&mut out.payment_hash); out }); @@ -2517,7 +2523,7 @@ mod tests { pending_forward_state: None, }; let mut sha = Sha256::new(); - sha.input(&hex_bytes("0202020202020202020202020202020202020202020202020202020202020202").unwrap()); + sha.input(&hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap()); sha.result(&mut out.payment_hash); out }); @@ -2534,7 +2540,7 @@ mod tests { pending_forward_state: None, }; let mut sha = Sha256::new(); - sha.input(&hex_bytes("0303030303030303030303030303030303030303030303030303030303030303").unwrap()); + sha.input(&hex::decode("0303030303030303030303030303030303030303030303030303030303030303").unwrap()); sha.result(&mut out.payment_hash); out }); @@ -2551,7 +2557,7 @@ mod tests { pending_forward_state: None, }; let mut sha = Sha256::new(); - sha.input(&hex_bytes("0404040404040404040404040404040404040404040404040404040404040404").unwrap()); + sha.input(&hex::decode("0404040404040404040404040404040404040404040404040404040404040404").unwrap()); sha.result(&mut out.payment_hash); out }); @@ -2880,23 +2886,23 @@ mod tests { // Test vectors from BOLT 3 Appendix D: let mut seed = [0; 32]; - seed[0..32].clone_from_slice(&hex_bytes("0000000000000000000000000000000000000000000000000000000000000000").unwrap()); + seed[0..32].clone_from_slice(&hex::decode("0000000000000000000000000000000000000000000000000000000000000000").unwrap()); assert_eq!(chan_utils::build_commitment_secret(seed, 281474976710655), - hex_bytes("02a40c85b6f28da08dfdbe0926c53fab2de6d28c10301f8f7c4073d5e42e3148").unwrap()[..]); + hex::decode("02a40c85b6f28da08dfdbe0926c53fab2de6d28c10301f8f7c4073d5e42e3148").unwrap()[..]); - seed[0..32].clone_from_slice(&hex_bytes("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF").unwrap()); + seed[0..32].clone_from_slice(&hex::decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF").unwrap()); assert_eq!(chan_utils::build_commitment_secret(seed, 281474976710655), - hex_bytes("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()[..]); + hex::decode("7cc854b54e3e0dcdb010d7a3fee464a9687be6e8db3be6854c475621e007a5dc").unwrap()[..]); assert_eq!(chan_utils::build_commitment_secret(seed, 0xaaaaaaaaaaa), - hex_bytes("56f4008fb007ca9acf0e15b054d5c9fd12ee06cea347914ddbaed70d1c13a528").unwrap()[..]); + hex::decode("56f4008fb007ca9acf0e15b054d5c9fd12ee06cea347914ddbaed70d1c13a528").unwrap()[..]); assert_eq!(chan_utils::build_commitment_secret(seed, 0x555555555555), - hex_bytes("9015daaeb06dba4ccc05b91b2f73bd54405f2be9f217fbacd3c5ac2e62327d31").unwrap()[..]); + hex::decode("9015daaeb06dba4ccc05b91b2f73bd54405f2be9f217fbacd3c5ac2e62327d31").unwrap()[..]); - seed[0..32].clone_from_slice(&hex_bytes("0101010101010101010101010101010101010101010101010101010101010101").unwrap()); + seed[0..32].clone_from_slice(&hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()); assert_eq!(chan_utils::build_commitment_secret(seed, 1), - hex_bytes("915c75942a26bb3a433a8ce2cb0427c29ec6c1775cfc78328b57f6ba7bfeaa9c").unwrap()[..]); + hex::decode("915c75942a26bb3a433a8ce2cb0427c29ec6c1775cfc78328b57f6ba7bfeaa9c").unwrap()[..]); } #[test] @@ -2904,25 +2910,25 @@ mod tests { // Test vectors from BOLT 3 Appendix E: let secp_ctx = Secp256k1::new(); - let base_secret = SecretKey::from_slice(&secp_ctx, &hex_bytes("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f").unwrap()[..]).unwrap(); - let per_commitment_secret = SecretKey::from_slice(&secp_ctx, &hex_bytes("1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100").unwrap()[..]).unwrap(); + let base_secret = SecretKey::from_slice(&secp_ctx, &hex::decode("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f").unwrap()[..]).unwrap(); + let per_commitment_secret = SecretKey::from_slice(&secp_ctx, &hex::decode("1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100").unwrap()[..]).unwrap(); let base_point = PublicKey::from_secret_key(&secp_ctx, &base_secret).unwrap(); - assert_eq!(base_point.serialize()[..], hex_bytes("036d6caac248af96f6afa7f904f550253a0f3ef3f5aa2fe6838a95b216691468e2").unwrap()[..]); + assert_eq!(base_point.serialize()[..], hex::decode("036d6caac248af96f6afa7f904f550253a0f3ef3f5aa2fe6838a95b216691468e2").unwrap()[..]); let per_commitment_point = PublicKey::from_secret_key(&secp_ctx, &per_commitment_secret).unwrap(); - assert_eq!(per_commitment_point.serialize()[..], hex_bytes("025f7117a78150fe2ef97db7cfc83bd57b2e2c0d0dd25eaf467a4a1c2a45ce1486").unwrap()[..]); + assert_eq!(per_commitment_point.serialize()[..], hex::decode("025f7117a78150fe2ef97db7cfc83bd57b2e2c0d0dd25eaf467a4a1c2a45ce1486").unwrap()[..]); assert_eq!(chan_utils::derive_public_key(&secp_ctx, &per_commitment_point, &base_point).unwrap().serialize()[..], - hex_bytes("0235f2dbfaa89b57ec7b055afe29849ef7ddfeb1cefdb9ebdc43f5494984db29e5").unwrap()[..]); + hex::decode("0235f2dbfaa89b57ec7b055afe29849ef7ddfeb1cefdb9ebdc43f5494984db29e5").unwrap()[..]); assert_eq!(chan_utils::derive_private_key(&secp_ctx, &per_commitment_point, &base_secret).unwrap(), - SecretKey::from_slice(&secp_ctx, &hex_bytes("cbced912d3b21bf196a766651e436aff192362621ce317704ea2f75d87e7be0f").unwrap()[..]).unwrap()); + SecretKey::from_slice(&secp_ctx, &hex::decode("cbced912d3b21bf196a766651e436aff192362621ce317704ea2f75d87e7be0f").unwrap()[..]).unwrap()); assert_eq!(chan_utils::derive_public_revocation_key(&secp_ctx, &per_commitment_point, &base_point).unwrap().serialize()[..], - hex_bytes("02916e326636d19c33f13e8c0c3a03dd157f332f3e99c317c141dd865eb01f8ff0").unwrap()[..]); + hex::decode("02916e326636d19c33f13e8c0c3a03dd157f332f3e99c317c141dd865eb01f8ff0").unwrap()[..]); assert_eq!(chan_utils::derive_private_revocation_key(&secp_ctx, &per_commitment_secret, &base_secret).unwrap(), - SecretKey::from_slice(&secp_ctx, &hex_bytes("d09ffff62ddb2297ab000cc85bcb4283fdeb6aa052affbc9dddcf33b61078110").unwrap()[..]).unwrap()); + SecretKey::from_slice(&secp_ctx, &hex::decode("d09ffff62ddb2297ab000cc85bcb4283fdeb6aa052affbc9dddcf33b61078110").unwrap()[..]).unwrap()); } }