+ fn decode(v: &[u8]) -> Result<Self, DecodeError> {
+ if v.len() < 32+4*8+4+2*2+6*33 {
+ return Err(DecodeError::WrongLength);
+ }
+ let ctx = Secp256k1::without_caps();
+
+ let mut shutdown_scriptpubkey = None;
+ if v.len() >= 272 {
+ let len = byte_utils::slice_to_be16(&v[270..272]) as usize;
+ if v.len() < 272+len {
+ return Err(DecodeError::WrongLength);
+ }
+ shutdown_scriptpubkey = Some(Script::from(v[272..272+len].to_vec()));
+ } else if v.len() != 32+4*8+4+2*2+6*33 { // Message cant have 1 extra byte
+ return Err(DecodeError::WrongLength);
+ }
+
+ Ok(Self {
+ temporary_channel_id: deserialize(&v[0..32]).unwrap(),
+ dust_limit_satoshis: byte_utils::slice_to_be64(&v[32..40]),
+ max_htlc_value_in_flight_msat: byte_utils::slice_to_be64(&v[40..48]),
+ channel_reserve_satoshis: byte_utils::slice_to_be64(&v[48..56]),
+ htlc_minimum_msat: byte_utils::slice_to_be64(&v[56..64]),
+ minimum_depth: byte_utils::slice_to_be32(&v[64..68]),
+ to_self_delay: byte_utils::slice_to_be16(&v[68..70]),
+ max_accepted_htlcs: byte_utils::slice_to_be16(&v[70..72]),
+ funding_pubkey: secp_pubkey!(&ctx, &v[72..105]),
+ revocation_basepoint: secp_pubkey!(&ctx, &v[105..138]),
+ payment_basepoint: secp_pubkey!(&ctx, &v[138..171]),
+ delayed_payment_basepoint: secp_pubkey!(&ctx, &v[171..204]),
+ htlc_basepoint: secp_pubkey!(&ctx, &v[204..237]),
+ first_per_commitment_point: secp_pubkey!(&ctx, &v[237..270]),
+ shutdown_scriptpubkey: shutdown_scriptpubkey
+ })