Bump rust-bitcoin to v0.30.2

[rust-lightning] / lightning / src / ln / msgs.rs

diff --git a/lightning/src/ln/msgs.rs b/lightning/src/ln/msgs.rs
index 9d872a6f53d999ac817cfaf9b6e4aa2a444814d2..d5529e98ba013c4f8d2118edb5de4bebb82470df 100644 (file)
--- a/lightning/src/ln/msgs.rs
+++ b/lightning/src/ln/msgs.rs
@@ -28,7 +28,7 @@ use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::secp256k1::PublicKey;
 use bitcoin::secp256k1::ecdsa::Signature;
 use bitcoin::{secp256k1, Witness};
-use bitcoin::blockdata::script::Script;
+use bitcoin::blockdata::script::ScriptBuf;
 use bitcoin::hash_types::Txid;
 
 use crate::blinded_path::payment::ReceiveTlvs;
@@ -218,7 +218,7 @@ pub struct OpenChannel {
        /// The channel flags to be used
        pub channel_flags: u8,
        /// A request to pre-set the to-sender output's `scriptPubkey` for when we collaboratively close
-       pub shutdown_scriptpubkey: Option<Script>,
+       pub shutdown_scriptpubkey: Option<ScriptBuf>,
        /// The channel type that this channel will represent
        ///
        /// If this is `None`, we derive the channel type from the intersection of our
@@ -276,7 +276,7 @@ pub struct OpenChannelV2 {
        pub channel_flags: u8,
        /// Optionally, a request to pre-set the to-channel-initiator output's scriptPubkey for when we
        /// collaboratively close
-       pub shutdown_scriptpubkey: Option<Script>,
+       pub shutdown_scriptpubkey: Option<ScriptBuf>,
        /// The channel type that this channel will represent. If none is set, we derive the channel
        /// type from the intersection of our feature bits with our counterparty's feature bits from
        /// the Init message.
@@ -321,7 +321,7 @@ pub struct AcceptChannel {
        /// The first to-be-broadcast-by-sender transaction's per commitment point
        pub first_per_commitment_point: PublicKey,
        /// A request to pre-set the to-sender output's scriptPubkey for when we collaboratively close
-       pub shutdown_scriptpubkey: Option<Script>,
+       pub shutdown_scriptpubkey: Option<ScriptBuf>,
        /// The channel type that this channel will represent.
        ///
        /// If this is `None`, we derive the channel type from the intersection of
@@ -375,7 +375,7 @@ pub struct AcceptChannelV2 {
        pub second_per_commitment_point: PublicKey,
        /// Optionally, a request to pre-set the to-channel-acceptor output's scriptPubkey for when we
        /// collaboratively close
-       pub shutdown_scriptpubkey: Option<Script>,
+       pub shutdown_scriptpubkey: Option<ScriptBuf>,
        /// The channel type that this channel will represent. If none is set, we derive the channel
        /// type from the intersection of our feature bits with our counterparty's feature bits from
        /// the Init message.
@@ -527,7 +527,7 @@ pub struct TxAddOutput {
        /// The satoshi value of the output
        pub sats: u64,
        /// The scriptPubKey for the output
-       pub script: Script,
+       pub script: ScriptBuf,
 }
 
 /// A tx_remove_input message for removing an input during interactive transaction construction.
@@ -627,7 +627,7 @@ pub struct Shutdown {
        /// The destination of this peer's funds on closing.
        ///
        /// Must be in one of these forms: P2PKH, P2SH, P2WPKH, P2WSH, P2TR.
-       pub scriptpubkey: Script,
+       pub scriptpubkey: ScriptBuf,
 }
 
 /// The minimum and maximum fees which the sender is willing to place on the closing transaction.
@@ -1823,7 +1823,7 @@ impl_writeable_msg!(AcceptChannel, {
        htlc_basepoint,
        first_per_commitment_point,
 }, {
-       (0, shutdown_scriptpubkey, (option, encoding: (Script, WithoutLength))), // Don't encode length twice.
+       (0, shutdown_scriptpubkey, (option, encoding: (ScriptBuf, WithoutLength))), // Don't encode length twice.
        (1, channel_type, option),
 });
 
@@ -1844,7 +1844,7 @@ impl_writeable_msg!(AcceptChannel, {
        htlc_basepoint,
        first_per_commitment_point,
 }, {
-       (0, shutdown_scriptpubkey, (option, encoding: (Script, WithoutLength))), // Don't encode length twice.
+       (0, shutdown_scriptpubkey, (option, encoding: (ScriptBuf, WithoutLength))), // Don't encode length twice.
        (1, channel_type, option),
        (4, next_local_nonce, option),
 });
@@ -2090,7 +2090,7 @@ impl_writeable_msg!(OpenChannel, {
        first_per_commitment_point,
        channel_flags,
 }, {
-       (0, shutdown_scriptpubkey, (option, encoding: (Script, WithoutLength))), // Don't encode length twice.
+       (0, shutdown_scriptpubkey, (option, encoding: (ScriptBuf, WithoutLength))), // Don't encode length twice.
        (1, channel_type, option),
 });
 
@@ -2799,8 +2799,8 @@ impl_writeable_msg!(GossipTimestampFilter, {
 #[cfg(test)]
 mod tests {
        use std::convert::TryFrom;
-       use bitcoin::{Transaction, PackedLockTime, TxIn, Script, Sequence, Witness, TxOut};
-       use hex;
+       use bitcoin::{Transaction, TxIn, ScriptBuf, Sequence, Witness, TxOut};
+       use hex::DisplayHex;
        use crate::ln::{PaymentPreimage, PaymentHash, PaymentSecret};
        use crate::ln::ChannelId;
        use crate::ln::features::{ChannelFeatures, ChannelTypeFeatures, InitFeatures, NodeFeatures};
@@ -2811,12 +2811,13 @@ mod tests {
        use crate::util::test_utils;
 
        use bitcoin::hashes::hex::FromHex;
-       use bitcoin::util::address::Address;
+       use bitcoin::address::Address;
        use bitcoin::network::constants::Network;
        use bitcoin::blockdata::constants::ChainHash;
        use bitcoin::blockdata::script::Builder;
        use bitcoin::blockdata::opcodes;
        use bitcoin::hash_types::Txid;
+       use bitcoin::locktime::absolute::LockTime;
 
        use bitcoin::secp256k1::{PublicKey,SecretKey};
        use bitcoin::secp256k1::{Secp256k1, Message};
@@ -2835,7 +2836,7 @@ mod tests {
        fn encoding_channel_reestablish() {
                let public_key = {
                        let secp_ctx = Secp256k1::new();
-                       PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap())
+                       PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&<Vec<u8>>::from_hex("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap())
                };
 
                let cr = msgs::ChannelReestablish {
@@ -2864,7 +2865,7 @@ mod tests {
        fn encoding_channel_reestablish_with_next_funding_txid() {
                let public_key = {
                        let secp_ctx = Secp256k1::new();
-                       PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&hex::decode("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap())
+                       PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&<Vec<u8>>::from_hex("0101010101010101010101010101010101010101010101010101010101010101").unwrap()[..]).unwrap())
                };
 
                let cr = msgs::ChannelReestablish {
@@ -2873,7 +2874,7 @@ mod tests {
                        next_remote_commitment_number: 4,
                        your_last_per_commitment_secret: [9;32],
                        my_current_per_commitment_point: public_key,
-                       next_funding_txid: Some(Txid::from_hash(bitcoin::hashes::Hash::from_slice(&[
+                       next_funding_txid: Some(Txid::from_raw_hash(bitcoin::hashes::Hash::from_slice(&[
                                48, 167, 250, 69, 152, 48, 103, 172, 164, 99, 59, 19, 23, 11, 92, 84, 15, 80, 4, 12, 98, 82, 75, 31, 201, 11, 91, 23, 98, 23, 53, 124,
                        ]).unwrap())),
                };
@@ -2897,7 +2898,7 @@ mod tests {
        macro_rules! get_keys_from {
                ($slice: expr, $secp_ctx: expr) => {
                        {
-                               let privkey = SecretKey::from_slice(&hex::decode($slice).unwrap()[..]).unwrap();
+                               let privkey = SecretKey::from_slice(&<Vec<u8>>::from_hex($slice).unwrap()[..]).unwrap();
                                let pubkey = PublicKey::from_secret_key(&$secp_ctx, &privkey);
                                (privkey, pubkey)
                        }
@@ -2927,7 +2928,7 @@ mod tests {
                };
 
                let encoded_value = announcement_signatures.encode();
-               assert_eq!(encoded_value, hex::decode("040000000000000005000000000000000600000000000000070000000000000000083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073acf9953cef4700860f5967838eba2bae89288ad188ebf8b20bf995c3ea53a26df1876d0a3a0e13172ba286a673140190c02ba9da60a2e43a745188c8a83c7f3ef").unwrap());
+               assert_eq!(encoded_value, <Vec<u8>>::from_hex("040000000000000005000000000000000600000000000000070000000000000000083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073acf9953cef4700860f5967838eba2bae89288ad188ebf8b20bf995c3ea53a26df1876d0a3a0e13172ba286a673140190c02ba9da60a2e43a745188c8a83c7f3ef").unwrap());
        }
 
        fn do_encoding_channel_announcement(unknown_features_bits: bool, excess_data: bool) {
@@ -2962,16 +2963,16 @@ mod tests {
                        contents: unsigned_channel_announcement,
                };
                let encoded_value = channel_announcement.encode();
-               let mut target_value = hex::decode("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").unwrap();
+               let mut target_value = <Vec<u8>>::from_hex("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").unwrap();
                if unknown_features_bits {
-                       target_value.append(&mut hex::decode("0002ffff").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("0002ffff").unwrap());
                } else {
-                       target_value.append(&mut hex::decode("0000").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("0000").unwrap());
                }
-               target_value.append(&mut hex::decode("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
-               target_value.append(&mut hex::decode("00083a840000034d031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d076602531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe33703462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("00083a840000034d031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d076602531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe33703462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap());
                if excess_data {
-                       target_value.append(&mut hex::decode("0a00001400001e000028").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("0a00001400001e000028").unwrap());
                }
                assert_eq!(encoded_value, target_value);
        }
@@ -3046,34 +3047,34 @@ mod tests {
                        contents: unsigned_node_announcement,
                };
                let encoded_value = node_announcement.encode();
-               let mut target_value = hex::decode("d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+               let mut target_value = <Vec<u8>>::from_hex("d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
                if unknown_features_bits {
-                       target_value.append(&mut hex::decode("0002ffff").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("0002ffff").unwrap());
                } else {
-                       target_value.append(&mut hex::decode("000122").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("000122").unwrap());
                }
-               target_value.append(&mut hex::decode("013413a7031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f2020201010101010101010101010101010101010101010101010101010101010101010").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("013413a7031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f2020201010101010101010101010101010101010101010101010101010101010101010").unwrap());
                target_value.append(&mut vec![(addr_len >> 8) as u8, addr_len as u8]);
                if ipv4 {
-                       target_value.append(&mut hex::decode("01fffefdfc2607").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("01fffefdfc2607").unwrap());
                }
                if ipv6 {
-                       target_value.append(&mut hex::decode("02fffefdfcfbfaf9f8f7f6f5f4f3f2f1f02607").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("02fffefdfcfbfaf9f8f7f6f5f4f3f2f1f02607").unwrap());
                }
                if onionv2 {
-                       target_value.append(&mut hex::decode("03fffefdfcfbfaf9f8f7f62607").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("03fffefdfcfbfaf9f8f7f62607").unwrap());
                }
                if onionv3 {
-                       target_value.append(&mut hex::decode("04fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0efeeedecebeae9e8e7e6e5e4e3e2e1e00020102607").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("04fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0efeeedecebeae9e8e7e6e5e4e3e2e1e00020102607").unwrap());
                }
                if hostname {
-                       target_value.append(&mut hex::decode("0504686f73742607").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("0504686f73742607").unwrap());
                }
                if excess_address_data {
-                       target_value.append(&mut hex::decode("216c280b5395a2546e7e4b2663e04f811622f15a4f92e83aa2e92ba2a573c139142c54ae63072a1ec1ee7dc0c04bde5c847806172aa05c92c22ae8e308d1d269").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("216c280b5395a2546e7e4b2663e04f811622f15a4f92e83aa2e92ba2a573c139142c54ae63072a1ec1ee7dc0c04bde5c847806172aa05c92c22ae8e308d1d269").unwrap());
                }
                if excess_data {
-                       target_value.append(&mut hex::decode("3b12cc195ce0a2d1bda6a88befa19fa07f51caa75ce83837f28965600b8aacab0855ffb0e741ec5f7c41421e9829a9d48611c8c831f71be5ea73e66594977ffd").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("3b12cc195ce0a2d1bda6a88befa19fa07f51caa75ce83837f28965600b8aacab0855ffb0e741ec5f7c41421e9829a9d48611c8c831f71be5ea73e66594977ffd").unwrap());
                }
                assert_eq!(encoded_value, target_value);
        }
@@ -3113,11 +3114,11 @@ mod tests {
                        contents: unsigned_channel_update
                };
                let encoded_value = channel_update.encode();
-               let mut target_value = hex::decode("d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
-               target_value.append(&mut hex::decode("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
-               target_value.append(&mut hex::decode("00083a840000034d013413a7").unwrap());
-               target_value.append(&mut hex::decode("01").unwrap());
-               target_value.append(&mut hex::decode("00").unwrap());
+               let mut target_value = <Vec<u8>>::from_hex("d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+               target_value.append(&mut <Vec<u8>>::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("00083a840000034d013413a7").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("01").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("00").unwrap());
                if direction {
                        let flag = target_value.last_mut().unwrap();
                        *flag = 1;
@@ -3126,10 +3127,10 @@ mod tests {
                        let flag = target_value.last_mut().unwrap();
                        *flag = *flag | 1 << 1;
                }
-               target_value.append(&mut hex::decode("009000000000000f42400000271000000014").unwrap());
-               target_value.append(&mut hex::decode("0000777788889999").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("009000000000000f42400000271000000014").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("0000777788889999").unwrap());
                if excess_data {
-                       target_value.append(&mut hex::decode("000000003b9aca00").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("000000003b9aca00").unwrap());
                }
                assert_eq!(encoded_value, target_value);
        }
@@ -3178,18 +3179,18 @@ mod tests {
                };
                let encoded_value = open_channel.encode();
                let mut target_value = Vec::new();
-               target_value.append(&mut hex::decode("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
-               target_value.append(&mut hex::decode("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").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("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").unwrap());
                if random_bit {
-                       target_value.append(&mut hex::decode("20").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("20").unwrap());
                } else {
-                       target_value.append(&mut hex::decode("00").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("00").unwrap());
                }
                if shutdown {
-                       target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
                }
                if incl_chan_type {
-                       target_value.append(&mut hex::decode("0100").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("0100").unwrap());
                }
                assert_eq!(encoded_value, target_value);
        }
@@ -3241,39 +3242,39 @@ mod tests {
                };
                let encoded_value = open_channelv2.encode();
                let mut target_value = Vec::new();
-               target_value.append(&mut hex::decode("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
-               target_value.append(&mut hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap());
-               target_value.append(&mut hex::decode("000c89d4").unwrap());
-               target_value.append(&mut hex::decode("000c89d4").unwrap());
-               target_value.append(&mut hex::decode("1234567890123456").unwrap());
-               target_value.append(&mut hex::decode("3214466870114476").unwrap());
-               target_value.append(&mut hex::decode("7633030896203198").unwrap());
-               target_value.append(&mut hex::decode("00083a840000034d").unwrap());
-               target_value.append(&mut hex::decode("c0bc").unwrap());
-               target_value.append(&mut hex::decode("c0bc").unwrap());
-               target_value.append(&mut hex::decode("12345678").unwrap());
-               target_value.append(&mut hex::decode("031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap());
-               target_value.append(&mut hex::decode("024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d0766").unwrap());
-               target_value.append(&mut hex::decode("02531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe337").unwrap());
-               target_value.append(&mut hex::decode("03462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap());
-               target_value.append(&mut hex::decode("0362c0a046dacce86ddd0343c6d3c7c79c2208ba0d9c9cf24a6d046d21d21f90f7").unwrap());
-               target_value.append(&mut hex::decode("03f006a18d5653c4edf5391ff23a61f03ff83d237e880ee61187fa9f379a028e0a").unwrap());
-               target_value.append(&mut hex::decode("02989c0b76cb563971fdc9bef31ec06c3560f3249d6ee9e5d83c57625596e05f6f").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("000c89d4").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("000c89d4").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("1234567890123456").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("3214466870114476").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("7633030896203198").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("00083a840000034d").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("c0bc").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("c0bc").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("12345678").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d0766").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("02531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe337").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("03462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("0362c0a046dacce86ddd0343c6d3c7c79c2208ba0d9c9cf24a6d046d21d21f90f7").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("03f006a18d5653c4edf5391ff23a61f03ff83d237e880ee61187fa9f379a028e0a").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("02989c0b76cb563971fdc9bef31ec06c3560f3249d6ee9e5d83c57625596e05f6f").unwrap());
 
                if random_bit {
-                       target_value.append(&mut hex::decode("20").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("20").unwrap());
                } else {
-                       target_value.append(&mut hex::decode("00").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("00").unwrap());
                }
                if shutdown {
-                       target_value.append(&mut hex::decode("001b").unwrap()); // Type 0 + Length 27
-                       target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("001b").unwrap()); // Type 0 + Length 27
+                       target_value.append(&mut <Vec<u8>>::from_hex("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
                }
                if incl_chan_type {
-                       target_value.append(&mut hex::decode("0100").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("0100").unwrap());
                }
                if require_confirmed_inputs {
-                       target_value.append(&mut hex::decode("0200").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("0200").unwrap());
                }
                assert_eq!(encoded_value, target_value);
        }
@@ -3327,9 +3328,9 @@ mod tests {
                        next_local_nonce: None,
                };
                let encoded_value = accept_channel.encode();
-               let mut target_value = hex::decode("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").unwrap();
+               let mut target_value = <Vec<u8>>::from_hex("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").unwrap();
                if shutdown {
-                       target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
                }
                assert_eq!(encoded_value, target_value);
        }
@@ -3370,24 +3371,24 @@ mod tests {
                        require_confirmed_inputs: None,
                };
                let encoded_value = accept_channelv2.encode();
-               let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // temporary_channel_id
-               target_value.append(&mut hex::decode("1234567890123456").unwrap()); // funding_satoshis
-               target_value.append(&mut hex::decode("1234567890123456").unwrap()); // dust_limit_satoshis
-               target_value.append(&mut hex::decode("2334032891223698").unwrap()); // max_htlc_value_in_flight_msat
-               target_value.append(&mut hex::decode("00083a840000034d").unwrap()); // htlc_minimum_msat
-               target_value.append(&mut hex::decode("000c89d4").unwrap()); //  minimum_depth
-               target_value.append(&mut hex::decode("c0bc").unwrap()); // to_self_delay
-               target_value.append(&mut hex::decode("c0bc").unwrap()); // max_accepted_htlcs
-               target_value.append(&mut hex::decode("031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap()); // funding_pubkey
-               target_value.append(&mut hex::decode("024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d0766").unwrap()); // revocation_basepoint
-               target_value.append(&mut hex::decode("02531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe337").unwrap()); // payment_basepoint
-               target_value.append(&mut hex::decode("03462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap()); // delayed_payment_basepoint
-               target_value.append(&mut hex::decode("0362c0a046dacce86ddd0343c6d3c7c79c2208ba0d9c9cf24a6d046d21d21f90f7").unwrap()); // htlc_basepoint
-               target_value.append(&mut hex::decode("03f006a18d5653c4edf5391ff23a61f03ff83d237e880ee61187fa9f379a028e0a").unwrap()); // first_per_commitment_point
-               target_value.append(&mut hex::decode("02989c0b76cb563971fdc9bef31ec06c3560f3249d6ee9e5d83c57625596e05f6f").unwrap()); // second_per_commitment_point
+               let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // temporary_channel_id
+               target_value.append(&mut <Vec<u8>>::from_hex("1234567890123456").unwrap()); // funding_satoshis
+               target_value.append(&mut <Vec<u8>>::from_hex("1234567890123456").unwrap()); // dust_limit_satoshis
+               target_value.append(&mut <Vec<u8>>::from_hex("2334032891223698").unwrap()); // max_htlc_value_in_flight_msat
+               target_value.append(&mut <Vec<u8>>::from_hex("00083a840000034d").unwrap()); // htlc_minimum_msat
+               target_value.append(&mut <Vec<u8>>::from_hex("000c89d4").unwrap()); //  minimum_depth
+               target_value.append(&mut <Vec<u8>>::from_hex("c0bc").unwrap()); // to_self_delay
+               target_value.append(&mut <Vec<u8>>::from_hex("c0bc").unwrap()); // max_accepted_htlcs
+               target_value.append(&mut <Vec<u8>>::from_hex("031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap()); // funding_pubkey
+               target_value.append(&mut <Vec<u8>>::from_hex("024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d0766").unwrap()); // revocation_basepoint
+               target_value.append(&mut <Vec<u8>>::from_hex("02531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe337").unwrap()); // payment_basepoint
+               target_value.append(&mut <Vec<u8>>::from_hex("03462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap()); // delayed_payment_basepoint
+               target_value.append(&mut <Vec<u8>>::from_hex("0362c0a046dacce86ddd0343c6d3c7c79c2208ba0d9c9cf24a6d046d21d21f90f7").unwrap()); // htlc_basepoint
+               target_value.append(&mut <Vec<u8>>::from_hex("03f006a18d5653c4edf5391ff23a61f03ff83d237e880ee61187fa9f379a028e0a").unwrap()); // first_per_commitment_point
+               target_value.append(&mut <Vec<u8>>::from_hex("02989c0b76cb563971fdc9bef31ec06c3560f3249d6ee9e5d83c57625596e05f6f").unwrap()); // second_per_commitment_point
                if shutdown {
-                       target_value.append(&mut hex::decode("001b").unwrap()); // Type 0 + Length 27
-                       target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("001b").unwrap()); // Type 0 + Length 27
+                       target_value.append(&mut <Vec<u8>>::from_hex("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
                }
                assert_eq!(encoded_value, target_value);
        }
@@ -3405,7 +3406,7 @@ mod tests {
                let sig_1 = get_sig_on!(privkey_1, secp_ctx, String::from("01010101010101010101010101010101"));
                let funding_created = msgs::FundingCreated {
                        temporary_channel_id: ChannelId::from_bytes([2; 32]),
-                       funding_txid: Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(),
+                       funding_txid: Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(),
                        funding_output_index: 255,
                        signature: sig_1,
                        #[cfg(taproot)]
@@ -3414,7 +3415,7 @@ mod tests {
                        next_local_nonce: None,
                };
                let encoded_value = funding_created.encode();
-               let target_value = hex::decode("02020202020202020202020202020202020202020202020202020202020202026e96fe9f8b0ddcd729ba03cfafa5a27b050b39d354dd980814268dfa9a44d4c200ffd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+               let target_value = <Vec<u8>>::from_hex("02020202020202020202020202020202020202020202020202020202020202026e96fe9f8b0ddcd729ba03cfafa5a27b050b39d354dd980814268dfa9a44d4c200ffd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3430,7 +3431,7 @@ mod tests {
                        partial_signature_with_nonce: None,
                };
                let encoded_value = funding_signed.encode();
-               let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+               let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3444,7 +3445,7 @@ mod tests {
                        short_channel_id_alias: None,
                };
                let encoded_value = channel_ready.encode();
-               let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap();
+               let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3461,7 +3462,7 @@ mod tests {
                        funding_pubkey: pubkey_1,
                };
                let encoded_value = splice.encode();
-               assert_eq!(hex::encode(encoded_value), "02020202020202020202020202020202020202020202020202020202020202026fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000001e240000007d000000000031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f");
+               assert_eq!(encoded_value.as_hex().to_string(), "02020202020202020202020202020202020202020202020202020202020202026fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000001e240000007d000000000031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f");
        }
 
        #[test]
@@ -3471,7 +3472,7 @@ mod tests {
                        initiator: 1,
                };
                let encoded_value = stfu.encode();
-               assert_eq!(hex::encode(encoded_value), "020202020202020202020202020202020202020202020202020202020202020201");
+               assert_eq!(encoded_value.as_hex().to_string(), "020202020202020202020202020202020202020202020202020202020202020201");
        }
 
        #[test]
@@ -3485,7 +3486,7 @@ mod tests {
                        funding_pubkey: pubkey_1,
                };
                let encoded_value = splice.encode();
-               assert_eq!(hex::encode(encoded_value), "02020202020202020202020202020202020202020202020202020202020202026fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000001e240031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f");
+               assert_eq!(encoded_value.as_hex().to_string(), "02020202020202020202020202020202020202020202020202020202020202026fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000000000000001e240031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f");
        }
 
        #[test]
@@ -3494,7 +3495,7 @@ mod tests {
                        channel_id: ChannelId::from_bytes([2; 32]),
                };
                let encoded_value = splice.encode();
-               assert_eq!(hex::encode(encoded_value), "0202020202020202020202020202020202020202020202020202020202020202");
+               assert_eq!(encoded_value.as_hex().to_string(), "0202020202020202020202020202020202020202020202020202020202020202");
        }
 
        #[test]
@@ -3504,23 +3505,23 @@ mod tests {
                        serial_id: 4886718345,
                        prevtx: TransactionU16LenLimited::new(Transaction {
                                version: 2,
-                               lock_time: PackedLockTime(0),
+                               lock_time: LockTime::ZERO,
                                input: vec![TxIn {
-                                       previous_output: OutPoint { txid: Txid::from_hex("305bab643ee297b8b6b76b320792c8223d55082122cb606bf89382146ced9c77").unwrap(), index: 2 }.into_bitcoin_outpoint(),
-                                       script_sig: Script::new(),
+                                       previous_output: OutPoint { txid: Txid::from_str("305bab643ee297b8b6b76b320792c8223d55082122cb606bf89382146ced9c77").unwrap(), index: 2 }.into_bitcoin_outpoint(),
+                                       script_sig: ScriptBuf::new(),
                                        sequence: Sequence(0xfffffffd),
-                                       witness: Witness::from_vec(vec![
-                                               hex::decode("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap(),
-                                               hex::decode("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap()]),
+                                       witness: Witness::from_slice(&vec![
+                                               <Vec<u8>>::from_hex("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap(),
+                                               <Vec<u8>>::from_hex("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap()]),
                                }],
                                output: vec![
                                        TxOut {
                                                value: 12704566,
-                                               script_pubkey: Address::from_str("bc1qzlffunw52jav8vwdu5x3jfk6sr8u22rmq3xzw2").unwrap().script_pubkey(),
+                                               script_pubkey: Address::from_str("bc1qzlffunw52jav8vwdu5x3jfk6sr8u22rmq3xzw2").unwrap().payload.script_pubkey(),
                                        },
                                        TxOut {
                                                value: 245148,
-                                               script_pubkey: Address::from_str("bc1qxmk834g5marzm227dgqvynd23y2nvt2ztwcw2z").unwrap().script_pubkey(),
+                                               script_pubkey: Address::from_str("bc1qxmk834g5marzm227dgqvynd23y2nvt2ztwcw2z").unwrap().payload.script_pubkey(),
                                        },
                                ],
                        }).unwrap(),
@@ -3528,7 +3529,7 @@ mod tests {
                        sequence: 305419896,
                };
                let encoded_value = tx_add_input.encode();
-               let target_value = hex::decode("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").unwrap();
+               let target_value = <Vec<u8>>::from_hex("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").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3538,10 +3539,10 @@ mod tests {
                        channel_id: ChannelId::from_bytes([2; 32]),
                        serial_id: 4886718345,
                        sats: 4886718345,
-                       script: Address::from_str("bc1qxmk834g5marzm227dgqvynd23y2nvt2ztwcw2z").unwrap().script_pubkey(),
+                       script: Address::from_str("bc1qxmk834g5marzm227dgqvynd23y2nvt2ztwcw2z").unwrap().payload.script_pubkey(),
                };
                let encoded_value = tx_add_output.encode();
-               let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202000000012345678900000001234567890016001436ec78d514df462da95e6a00c24daa8915362d42").unwrap();
+               let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202000000012345678900000001234567890016001436ec78d514df462da95e6a00c24daa8915362d42").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3552,7 +3553,7 @@ mod tests {
                        serial_id: 4886718345,
                };
                let encoded_value = tx_remove_input.encode();
-               let target_value = hex::decode("02020202020202020202020202020202020202020202020202020202020202020000000123456789").unwrap();
+               let target_value = <Vec<u8>>::from_hex("02020202020202020202020202020202020202020202020202020202020202020000000123456789").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3563,7 +3564,7 @@ mod tests {
                        serial_id: 4886718345,
                };
                let encoded_value = tx_remove_output.encode();
-               let target_value = hex::decode("02020202020202020202020202020202020202020202020202020202020202020000000123456789").unwrap();
+               let target_value = <Vec<u8>>::from_hex("02020202020202020202020202020202020202020202020202020202020202020000000123456789").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3573,7 +3574,7 @@ mod tests {
                        channel_id: ChannelId::from_bytes([2; 32]),
                };
                let encoded_value = tx_complete.encode();
-               let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
+               let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3581,34 +3582,34 @@ mod tests {
        fn encoding_tx_signatures() {
                let tx_signatures = msgs::TxSignatures {
                        channel_id: ChannelId::from_bytes([2; 32]),
-                       tx_hash: Txid::from_hex("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(),
+                       tx_hash: Txid::from_str("c2d4449afa8d26140898dd54d3390b057ba2a5afcf03ba29d7dc0d8b9ffe966e").unwrap(),
                        witnesses: vec![
-                               Witness::from_vec(vec![
-                                       hex::decode("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap(),
-                                       hex::decode("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap()]),
-                               Witness::from_vec(vec![
-                                       hex::decode("3045022100ee00dbf4a862463e837d7c08509de814d620e4d9830fa84818713e0fa358f145022021c3c7060c4d53fe84fd165d60208451108a778c13b92ca4c6bad439236126cc01").unwrap(),
-                                       hex::decode("028fbbf0b16f5ba5bcb5dd37cd4047ce6f726a21c06682f9ec2f52b057de1dbdb5").unwrap()]),
+                               Witness::from_slice(&vec![
+                                       <Vec<u8>>::from_hex("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap(),
+                                       <Vec<u8>>::from_hex("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap()]),
+                               Witness::from_slice(&vec![
+                                       <Vec<u8>>::from_hex("3045022100ee00dbf4a862463e837d7c08509de814d620e4d9830fa84818713e0fa358f145022021c3c7060c4d53fe84fd165d60208451108a778c13b92ca4c6bad439236126cc01").unwrap(),
+                                       <Vec<u8>>::from_hex("028fbbf0b16f5ba5bcb5dd37cd4047ce6f726a21c06682f9ec2f52b057de1dbdb5").unwrap()]),
                        ],
                };
                let encoded_value = tx_signatures.encode();
-               let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // channel_id
-               target_value.append(&mut hex::decode("6e96fe9f8b0ddcd729ba03cfafa5a27b050b39d354dd980814268dfa9a44d4c2").unwrap()); // tx_hash (sha256) (big endian byte order)
-               target_value.append(&mut hex::decode("0002").unwrap()); // num_witnesses (u16)
+               let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // channel_id
+               target_value.append(&mut <Vec<u8>>::from_hex("6e96fe9f8b0ddcd729ba03cfafa5a27b050b39d354dd980814268dfa9a44d4c2").unwrap()); // tx_hash (sha256) (big endian byte order)
+               target_value.append(&mut <Vec<u8>>::from_hex("0002").unwrap()); // num_witnesses (u16)
                // Witness 1
-               target_value.append(&mut hex::decode("006b").unwrap()); // len of witness_data
-               target_value.append(&mut hex::decode("02").unwrap()); // num_witness_elements (VarInt)
-               target_value.append(&mut hex::decode("47").unwrap()); // len of witness element data (VarInt)
-               target_value.append(&mut hex::decode("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap());
-               target_value.append(&mut hex::decode("21").unwrap()); // len of witness element data (VarInt)
-               target_value.append(&mut hex::decode("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("006b").unwrap()); // len of witness_data
+               target_value.append(&mut <Vec<u8>>::from_hex("02").unwrap()); // num_witness_elements (VarInt)
+               target_value.append(&mut <Vec<u8>>::from_hex("47").unwrap()); // len of witness element data (VarInt)
+               target_value.append(&mut <Vec<u8>>::from_hex("304402206af85b7dd67450ad12c979302fac49dfacbc6a8620f49c5da2b5721cf9565ca502207002b32fed9ce1bf095f57aeb10c36928ac60b12e723d97d2964a54640ceefa701").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("21").unwrap()); // len of witness element data (VarInt)
+               target_value.append(&mut <Vec<u8>>::from_hex("0301ab7dc16488303549bfcdd80f6ae5ee4c20bf97ab5410bbd6b1bfa85dcd6944").unwrap());
                // Witness 2
-               target_value.append(&mut hex::decode("006c").unwrap()); // len of witness_data
-               target_value.append(&mut hex::decode("02").unwrap()); // num_witness_elements (VarInt)
-               target_value.append(&mut hex::decode("48").unwrap()); // len of witness element data (VarInt)
-               target_value.append(&mut hex::decode("3045022100ee00dbf4a862463e837d7c08509de814d620e4d9830fa84818713e0fa358f145022021c3c7060c4d53fe84fd165d60208451108a778c13b92ca4c6bad439236126cc01").unwrap());
-               target_value.append(&mut hex::decode("21").unwrap()); // len of witness element data (VarInt)
-               target_value.append(&mut hex::decode("028fbbf0b16f5ba5bcb5dd37cd4047ce6f726a21c06682f9ec2f52b057de1dbdb5").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("006c").unwrap()); // len of witness_data
+               target_value.append(&mut <Vec<u8>>::from_hex("02").unwrap()); // num_witness_elements (VarInt)
+               target_value.append(&mut <Vec<u8>>::from_hex("48").unwrap()); // len of witness element data (VarInt)
+               target_value.append(&mut <Vec<u8>>::from_hex("3045022100ee00dbf4a862463e837d7c08509de814d620e4d9830fa84818713e0fa358f145022021c3c7060c4d53fe84fd165d60208451108a778c13b92ca4c6bad439236126cc01").unwrap());
+               target_value.append(&mut <Vec<u8>>::from_hex("21").unwrap()); // len of witness element data (VarInt)
+               target_value.append(&mut <Vec<u8>>::from_hex("028fbbf0b16f5ba5bcb5dd37cd4047ce6f726a21c06682f9ec2f52b057de1dbdb5").unwrap());
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3620,13 +3621,13 @@ mod tests {
                        funding_output_contribution: if let Some((value, _)) = funding_value_with_hex_target { Some(value) } else { None },
                };
                let encoded_value = tx_init_rbf.encode();
-               let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // channel_id
-               target_value.append(&mut hex::decode("12345678").unwrap()); // locktime
-               target_value.append(&mut hex::decode("013413a7").unwrap()); // feerate_sat_per_1000_weight
+               let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap(); // channel_id
+               target_value.append(&mut <Vec<u8>>::from_hex("12345678").unwrap()); // locktime
+               target_value.append(&mut <Vec<u8>>::from_hex("013413a7").unwrap()); // feerate_sat_per_1000_weight
                if let Some((_, target)) = funding_value_with_hex_target {
                        target_value.push(0x00); // Type
                        target_value.push(target.len() as u8 / 2); // Length
-                       target_value.append(&mut hex::decode(target).unwrap()); // Value (i64)
+                       target_value.append(&mut <Vec<u8>>::from_hex(target).unwrap()); // Value (i64)
                }
                assert_eq!(encoded_value, target_value);
        }
@@ -3644,11 +3645,11 @@ mod tests {
                        funding_output_contribution: if let Some((value, _)) = funding_value_with_hex_target { Some(value) } else { None },
                };
                let encoded_value = tx_ack_rbf.encode();
-               let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
+               let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
                if let Some((_, target)) = funding_value_with_hex_target {
                        target_value.push(0x00); // Type
                        target_value.push(target.len() as u8 / 2); // Length
-                       target_value.append(&mut hex::decode(target).unwrap()); // Value (i64)
+                       target_value.append(&mut <Vec<u8>>::from_hex(target).unwrap()); // Value (i64)
                }
                assert_eq!(encoded_value, target_value);
        }
@@ -3664,10 +3665,10 @@ mod tests {
        fn encoding_tx_abort() {
                let tx_abort = msgs::TxAbort {
                        channel_id: ChannelId::from_bytes([2; 32]),
-                       data: hex::decode("54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F672E").unwrap(),
+                       data: <Vec<u8>>::from_hex("54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F672E").unwrap(),
                };
                let encoded_value = tx_abort.encode();
-               let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202002C54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F672E").unwrap();
+               let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202002C54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F672E").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3684,15 +3685,15 @@ mod tests {
                                else { Address::p2wsh(&script, Network::Testnet).script_pubkey() },
                };
                let encoded_value = shutdown.encode();
-               let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
+               let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202").unwrap();
                if script_type == 1 {
-                       target_value.append(&mut hex::decode("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("001976a91479b000887626b294a914501a4cd226b58b23598388ac").unwrap());
                } else if script_type == 2 {
-                       target_value.append(&mut hex::decode("0017a914da1745e9b549bd0bfa1a569971c77eba30cd5a4b87").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("0017a914da1745e9b549bd0bfa1a569971c77eba30cd5a4b87").unwrap());
                } else if script_type == 3 {
-                       target_value.append(&mut hex::decode("0016001479b000887626b294a914501a4cd226b58b235983").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("0016001479b000887626b294a914501a4cd226b58b235983").unwrap());
                } else if script_type == 4 {
-                       target_value.append(&mut hex::decode("002200204ae81572f06e1b88fd5ced7a1a000945432e83e1551e6f721ee9c00b8cc33260").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("002200204ae81572f06e1b88fd5ced7a1a000945432e83e1551e6f721ee9c00b8cc33260").unwrap());
                }
                assert_eq!(encoded_value, target_value);
        }
@@ -3717,7 +3718,7 @@ mod tests {
                        fee_range: None,
                };
                let encoded_value = closing_signed.encode();
-               let target_value = hex::decode("020202020202020202020202020202020202020202020202020202020202020200083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+               let target_value = <Vec<u8>>::from_hex("020202020202020202020202020202020202020202020202020202020202020200083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
                assert_eq!(encoded_value, target_value);
                assert_eq!(msgs::ClosingSigned::read(&mut Cursor::new(&target_value)).unwrap(), closing_signed);
 
@@ -3731,7 +3732,7 @@ mod tests {
                        }),
                };
                let encoded_value_with_range = closing_signed_with_range.encode();
-               let target_value_with_range = hex::decode("020202020202020202020202020202020202020202020202020202020202020200083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a011000000000deadbeef1badcafe01234567").unwrap();
+               let target_value_with_range = <Vec<u8>>::from_hex("020202020202020202020202020202020202020202020202020202020202020200083a840000034dd977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a011000000000deadbeef1badcafe01234567").unwrap();
                assert_eq!(encoded_value_with_range, target_value_with_range);
                assert_eq!(msgs::ClosingSigned::read(&mut Cursor::new(&target_value_with_range)).unwrap(),
                        closing_signed_with_range);
@@ -3757,7 +3758,7 @@ mod tests {
                        skimmed_fee_msat: None,
                };
                let encoded_value = update_add_htlc.encode();
-               let target_value = hex::decode("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").unwrap();
+               let target_value = <Vec<u8>>::from_hex("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").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3769,7 +3770,7 @@ mod tests {
                        payment_preimage: PaymentPreimage([1; 32]),
                };
                let encoded_value = update_fulfill_htlc.encode();
-               let target_value = hex::decode("020202020202020202020202020202020202020202020202020202020202020200083a840000034d0101010101010101010101010101010101010101010101010101010101010101").unwrap();
+               let target_value = <Vec<u8>>::from_hex("020202020202020202020202020202020202020202020202020202020202020200083a840000034d0101010101010101010101010101010101010101010101010101010101010101").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3784,7 +3785,7 @@ mod tests {
                        reason
                };
                let encoded_value = update_fail_htlc.encode();
-               let target_value = hex::decode("020202020202020202020202020202020202020202020202020202020202020200083a840000034d00200101010101010101010101010101010101010101010101010101010101010101").unwrap();
+               let target_value = <Vec<u8>>::from_hex("020202020202020202020202020202020202020202020202020202020202020200083a840000034d00200101010101010101010101010101010101010101010101010101010101010101").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3797,7 +3798,7 @@ mod tests {
                        failure_code: 255
                };
                let encoded_value = update_fail_malformed_htlc.encode();
-               let target_value = hex::decode("020202020202020202020202020202020202020202020202020202020202020200083a840000034d010101010101010101010101010101010101010101010101010101010101010100ff").unwrap();
+               let target_value = <Vec<u8>>::from_hex("020202020202020202020202020202020202020202020202020202020202020200083a840000034d010101010101010101010101010101010101010101010101010101010101010100ff").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3819,11 +3820,11 @@ mod tests {
                        partial_signature_with_nonce: None,
                };
                let encoded_value = commitment_signed.encode();
-               let mut target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
+               let mut target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
                if htlcs {
-                       target_value.append(&mut hex::decode("00031735b6a427e80d5fe7cd90a2f4ee08dc9c27cda7c35a4172e5d85b12c49d4232537e98f9b1f3c5e6989a8b9644e90e8918127680dbd0d4043510840fc0f1e11a216c280b5395a2546e7e4b2663e04f811622f15a4f91e83aa2e92ba2a573c139142c54ae63072a1ec1ee7dc0c04bde5c847806172aa05c92c22ae8e308d1d2692b12cc195ce0a2d1bda6a88befa19fa07f51caa75ce83837f28965600b8aacab0855ffb0e741ec5f7c41421e9829a9d48611c8c831f71be5ea73e66594977ffd").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("00031735b6a427e80d5fe7cd90a2f4ee08dc9c27cda7c35a4172e5d85b12c49d4232537e98f9b1f3c5e6989a8b9644e90e8918127680dbd0d4043510840fc0f1e11a216c280b5395a2546e7e4b2663e04f811622f15a4f91e83aa2e92ba2a573c139142c54ae63072a1ec1ee7dc0c04bde5c847806172aa05c92c22ae8e308d1d2692b12cc195ce0a2d1bda6a88befa19fa07f51caa75ce83837f28965600b8aacab0855ffb0e741ec5f7c41421e9829a9d48611c8c831f71be5ea73e66594977ffd").unwrap());
                } else {
-                       target_value.append(&mut hex::decode("0000").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("0000").unwrap());
                }
                assert_eq!(encoded_value, target_value);
        }
@@ -3846,7 +3847,7 @@ mod tests {
                        next_local_nonce: None,
                };
                let encoded_value = raa.encode();
-               let target_value = hex::decode("02020202020202020202020202020202020202020202020202020202020202020101010101010101010101010101010101010101010101010101010101010101031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap();
+               let target_value = <Vec<u8>>::from_hex("02020202020202020202020202020202020202020202020202020202020202020101010101010101010101010101010101010101010101010101010101010101031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3857,7 +3858,7 @@ mod tests {
                        feerate_per_kw: 20190119,
                };
                let encoded_value = update_fee.encode();
-               let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202013413a7").unwrap();
+               let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202013413a7").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3868,22 +3869,22 @@ mod tests {
                        features: InitFeatures::from_le_bytes(vec![0xFF, 0xFF, 0xFF]),
                        networks: Some(vec![mainnet_hash]),
                        remote_network_address: None,
-               }.encode(), hex::decode("00023fff0003ffffff01206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+               }.encode(), <Vec<u8>>::from_hex("00023fff0003ffffff01206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
                assert_eq!(msgs::Init {
                        features: InitFeatures::from_le_bytes(vec![0xFF]),
                        networks: None,
                        remote_network_address: None,
-               }.encode(), hex::decode("0001ff0001ff").unwrap());
+               }.encode(), <Vec<u8>>::from_hex("0001ff0001ff").unwrap());
                assert_eq!(msgs::Init {
                        features: InitFeatures::from_le_bytes(vec![]),
                        networks: Some(vec![mainnet_hash]),
                        remote_network_address: None,
-               }.encode(), hex::decode("0000000001206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
+               }.encode(), <Vec<u8>>::from_hex("0000000001206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
                assert_eq!(msgs::Init {
                        features: InitFeatures::from_le_bytes(vec![]),
-                       networks: Some(vec![ChainHash::from(&[1; 32][..]), ChainHash::from(&[2; 32][..])]),
+                       networks: Some(vec![ChainHash::from(&[1; 32]), ChainHash::from(&[2; 32])]),
                        remote_network_address: None,
-               }.encode(), hex::decode("00000000014001010101010101010101010101010101010101010101010101010101010101010202020202020202020202020202020202020202020202020202020202020202").unwrap());
+               }.encode(), <Vec<u8>>::from_hex("00000000014001010101010101010101010101010101010101010101010101010101010101010202020202020202020202020202020202020202020202020202020202020202").unwrap());
                let init_msg = msgs::Init { features: InitFeatures::from_le_bytes(vec![]),
                        networks: Some(vec![mainnet_hash]),
                        remote_network_address: Some(SocketAddress::TcpIpV4 {
@@ -3892,7 +3893,7 @@ mod tests {
                        }),
                };
                let encoded_value = init_msg.encode();
-               let target_value = hex::decode("0000000001206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d61900000000000307017f00000103e8").unwrap();
+               let target_value = <Vec<u8>>::from_hex("0000000001206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d61900000000000307017f00000103e8").unwrap();
                assert_eq!(encoded_value, target_value);
                assert_eq!(msgs::Init::read(&mut Cursor::new(&target_value)).unwrap(), init_msg);
        }
@@ -3904,7 +3905,7 @@ mod tests {
                        data: String::from("rust-lightning"),
                };
                let encoded_value = error.encode();
-               let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202000e727573742d6c696768746e696e67").unwrap();
+               let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202000e727573742d6c696768746e696e67").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3915,7 +3916,7 @@ mod tests {
                        data: String::from("rust-lightning"),
                };
                let encoded_value = error.encode();
-               let target_value = hex::decode("0202020202020202020202020202020202020202020202020202020202020202000e727573742d6c696768746e696e67").unwrap();
+               let target_value = <Vec<u8>>::from_hex("0202020202020202020202020202020202020202020202020202020202020202000e727573742d6c696768746e696e67").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3926,7 +3927,7 @@ mod tests {
                        byteslen: 64
                };
                let encoded_value = ping.encode();
-               let target_value = hex::decode("0040004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").unwrap();
+               let target_value = <Vec<u8>>::from_hex("0040004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3936,7 +3937,7 @@ mod tests {
                        byteslen: 64
                };
                let encoded_value = pong.encode();
-               let target_value = hex::decode("004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").unwrap();
+               let target_value = <Vec<u8>>::from_hex("004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000").unwrap();
                assert_eq!(encoded_value, target_value);
        }
 
@@ -3948,7 +3949,7 @@ mod tests {
                        outgoing_cltv_value: 0xffffffff,
                };
                let encoded_value = outbound_msg.encode();
-               let target_value = hex::decode("1a02080badf00d010203040404ffffffff0608deadbeef1bad1dea").unwrap();
+               let target_value = <Vec<u8>>::from_hex("1a02080badf00d010203040404ffffffff0608deadbeef1bad1dea").unwrap();
                assert_eq!(encoded_value, target_value);
 
                let node_signer = test_utils::TestKeysInterface::new(&[42; 32], Network::Testnet);
@@ -3973,7 +3974,7 @@ mod tests {
                        custom_tlvs: vec![],
                };
                let encoded_value = outbound_msg.encode();
-               let target_value = hex::decode("1002080badf00d010203040404ffffffff").unwrap();
+               let target_value = <Vec<u8>>::from_hex("1002080badf00d010203040404ffffffff").unwrap();
                assert_eq!(encoded_value, target_value);
 
                let node_signer = test_utils::TestKeysInterface::new(&[42; 32], Network::Testnet);
@@ -4001,7 +4002,7 @@ mod tests {
                        custom_tlvs: vec![],
                };
                let encoded_value = outbound_msg.encode();
-               let target_value = hex::decode("3602080badf00d010203040404ffffffff082442424242424242424242424242424242424242424242424242424242424242421badca1f").unwrap();
+               let target_value = <Vec<u8>>::from_hex("3602080badf00d010203040404ffffffff082442424242424242424242424242424242424242424242424242424242424242421badca1f").unwrap();
                assert_eq!(encoded_value, target_value);
 
                let node_signer = test_utils::TestKeysInterface::new(&[42; 32], Network::Testnet);
@@ -4072,7 +4073,7 @@ mod tests {
                        outgoing_cltv_value: 0xffffffff,
                };
                let encoded_value = msg.encode();
-               let target_value = hex::decode("2e02080badf00d010203040404ffffffffff0000000146c6616b021234ff0000000146c6616f084242424242424242").unwrap();
+               let target_value = <Vec<u8>>::from_hex("2e02080badf00d010203040404ffffffffff0000000146c6616b021234ff0000000146c6616f084242424242424242").unwrap();
                assert_eq!(encoded_value, target_value);
                let node_signer = test_utils::TestKeysInterface::new(&[42; 32], Network::Testnet);
                let inbound_msg: msgs::InboundOnionPayload = ReadableArgs::read(&mut Cursor::new(&target_value[..]), &&node_signer).unwrap();
@@ -4117,7 +4118,7 @@ mod tests {
                        number_of_blocks: 1500,
                };
                let encoded_value = query_channel_range.encode();
-               let target_value = hex::decode("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f000186a0000005dc").unwrap();
+               let target_value = <Vec<u8>>::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f000186a0000005dc").unwrap();
                assert_eq!(encoded_value, target_value);
 
                query_channel_range = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
@@ -4132,7 +4133,7 @@ mod tests {
        }
 
        fn do_encoding_reply_channel_range(encoding_type: u8) {
-               let mut target_value = hex::decode("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f000b8a06000005dc01").unwrap();
+               let mut target_value = <Vec<u8>>::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f000b8a06000005dc01").unwrap();
                let expected_chain_hash = ChainHash::using_genesis_block(Network::Regtest);
                let mut reply_channel_range = msgs::ReplyChannelRange {
                        chain_hash: expected_chain_hash,
@@ -4143,7 +4144,7 @@ mod tests {
                };
 
                if encoding_type == 0 {
-                       target_value.append(&mut hex::decode("001900000000000000008e0000000000003c69000000000045a6c4").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("001900000000000000008e0000000000003c69000000000045a6c4").unwrap());
                        let encoded_value = reply_channel_range.encode();
                        assert_eq!(encoded_value, target_value);
 
@@ -4156,7 +4157,7 @@ mod tests {
                        assert_eq!(reply_channel_range.short_channel_ids[1], 0x0000000000003c69);
                        assert_eq!(reply_channel_range.short_channel_ids[2], 0x000000000045a6c4);
                } else {
-                       target_value.append(&mut hex::decode("001601789c636000833e08659309a65878be010010a9023a").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("001601789c636000833e08659309a65878be010010a9023a").unwrap());
                        let result: Result<msgs::ReplyChannelRange, msgs::DecodeError> = Readable::read(&mut Cursor::new(&target_value[..]));
                        assert!(result.is_err(), "Expected decode failure with unsupported zlib encoding");
                }
@@ -4169,7 +4170,7 @@ mod tests {
        }
 
        fn do_encoding_query_short_channel_ids(encoding_type: u8) {
-               let mut target_value = hex::decode("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
+               let mut target_value = <Vec<u8>>::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
                let expected_chain_hash = ChainHash::using_genesis_block(Network::Regtest);
                let mut query_short_channel_ids = msgs::QueryShortChannelIds {
                        chain_hash: expected_chain_hash,
@@ -4177,7 +4178,7 @@ mod tests {
                };
 
                if encoding_type == 0 {
-                       target_value.append(&mut hex::decode("001900000000000000008e0000000000003c69000000000045a6c4").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("001900000000000000008e0000000000003c69000000000045a6c4").unwrap());
                        let encoded_value = query_short_channel_ids.encode();
                        assert_eq!(encoded_value, target_value);
 
@@ -4187,7 +4188,7 @@ mod tests {
                        assert_eq!(query_short_channel_ids.short_channel_ids[1], 0x0000000000003c69);
                        assert_eq!(query_short_channel_ids.short_channel_ids[2], 0x000000000045a6c4);
                } else {
-                       target_value.append(&mut hex::decode("001601789c636000833e08659309a65878be010010a9023a").unwrap());
+                       target_value.append(&mut <Vec<u8>>::from_hex("001601789c636000833e08659309a65878be010010a9023a").unwrap());
                        let result: Result<msgs::QueryShortChannelIds, msgs::DecodeError> = Readable::read(&mut Cursor::new(&target_value[..]));
                        assert!(result.is_err(), "Expected decode failure with unsupported zlib encoding");
                }
@@ -4201,7 +4202,7 @@ mod tests {
                        full_information: true,
                };
                let encoded_value = reply_short_channel_ids_end.encode();
-               let target_value = hex::decode("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f01").unwrap();
+               let target_value = <Vec<u8>>::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f01").unwrap();
                assert_eq!(encoded_value, target_value);
 
                reply_short_channel_ids_end = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
@@ -4218,7 +4219,7 @@ mod tests {
                        timestamp_range: 0xffff_ffff,
                };
                let encoded_value = gossip_timestamp_filter.encode();
-               let target_value = hex::decode("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f5ec57980ffffffff").unwrap();
+               let target_value = <Vec<u8>>::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f5ec57980ffffffff").unwrap();
                assert_eq!(encoded_value, target_value);
 
                gossip_timestamp_filter = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();