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rust-bitcoin-unsafe-fast
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Use to_hex when available 

We have a bunch of calls to `format!("{:x}", foo)` for types that
implement `ToHex`. The code is terser with no loss of clarity if we use
the trait method and call `to_hex()`.
This commit is contained in:
Tobin C. Harding 2022-06-30 16:57:36 +10:00
parent 05f7545aeb
commit 32cfd93933
2 changed files with 28 additions and 32 deletions
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26
src/blockdata/constants.rs
View File

@ -207,7 +207,7 @@ impl ChainHash {
mod test { mod test {
use core::default::Default; use core::default::Default;
use super::*; use super::*;
use crate::hashes::hex::FromHex; use crate::hashes::hex::{ToHex, FromHex};
use crate::network::constants::Network; use crate::network::constants::Network;
use crate::consensus::encode::serialize; use crate::consensus::encode::serialize;
@ -229,8 +229,7 @@ mod test {
assert_eq!(gen.output[0].value, 50 * COIN_VALUE); assert_eq!(gen.output[0].value, 50 * COIN_VALUE);
assert_eq!(gen.lock_time, 0); assert_eq!(gen.lock_time, 0);
assert_eq!(format!("{:x}", gen.wtxid()), assert_eq!(gen.wtxid().to_hex(), "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b");
"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b".to_string());
} }
#[test] #[test]
@ -239,13 +238,12 @@ mod test {
assert_eq!(gen.header.version, 1); assert_eq!(gen.header.version, 1);
assert_eq!(gen.header.prev_blockhash, Default::default()); assert_eq!(gen.header.prev_blockhash, Default::default());
assert_eq!(format!("{:x}", gen.header.merkle_root), assert_eq!(gen.header.merkle_root.to_hex(), "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b");
"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b".to_string());
assert_eq!(gen.header.time, 1231006505); assert_eq!(gen.header.time, 1231006505);
assert_eq!(gen.header.bits, 0x1d00ffff); assert_eq!(gen.header.bits, 0x1d00ffff);
assert_eq!(gen.header.nonce, 2083236893); assert_eq!(gen.header.nonce, 2083236893);
assert_eq!(format!("{:x}", gen.header.block_hash()), assert_eq!(gen.header.block_hash().to_hex(), "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
"000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f".to_string());
} }
#[test] #[test]
@ -253,13 +251,11 @@ mod test {
let gen = genesis_block(Network::Testnet); let gen = genesis_block(Network::Testnet);
assert_eq!(gen.header.version, 1); assert_eq!(gen.header.version, 1);
assert_eq!(gen.header.prev_blockhash, Default::default()); assert_eq!(gen.header.prev_blockhash, Default::default());
assert_eq!(format!("{:x}", gen.header.merkle_root), assert_eq!(gen.header.merkle_root.to_hex(), "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b");
"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b".to_string());
assert_eq!(gen.header.time, 1296688602); assert_eq!(gen.header.time, 1296688602);
assert_eq!(gen.header.bits, 0x1d00ffff); assert_eq!(gen.header.bits, 0x1d00ffff);
assert_eq!(gen.header.nonce, 414098458); assert_eq!(gen.header.nonce, 414098458);
assert_eq!(format!("{:x}", gen.header.block_hash()), assert_eq!(gen.header.block_hash().to_hex(), "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943");
"000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943".to_string());
} }
#[test] #[test]
@ -267,13 +263,11 @@ mod test {
let gen = genesis_block(Network::Signet); let gen = genesis_block(Network::Signet);
assert_eq!(gen.header.version, 1); assert_eq!(gen.header.version, 1);
assert_eq!(gen.header.prev_blockhash, Default::default()); assert_eq!(gen.header.prev_blockhash, Default::default());
assert_eq!(format!("{:x}", gen.header.merkle_root), assert_eq!(gen.header.merkle_root.to_hex(), "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b");
"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b".to_string());
assert_eq!(gen.header.time, 1598918400); assert_eq!(gen.header.time, 1598918400);
assert_eq!(gen.header.bits, 0x1e0377ae); assert_eq!(gen.header.bits, 0x1e0377ae);
assert_eq!(gen.header.nonce, 52613770); assert_eq!(gen.header.nonce, 52613770);
assert_eq!(format!("{:x}", gen.header.block_hash()), assert_eq!(gen.header.block_hash().to_hex(), "00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6");
"00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6".to_string());
} }
// The *_chain_hash tests are sanity/regression tests, they verify that the const byte array // The *_chain_hash tests are sanity/regression tests, they verify that the const byte array
@ -315,7 +309,7 @@ mod test {
// Test vector taken from: https://github.com/lightning/bolts/blob/master/00-introduction.md // Test vector taken from: https://github.com/lightning/bolts/blob/master/00-introduction.md
#[test] #[test]
fn mainnet_chain_hash_test_vector() { fn mainnet_chain_hash_test_vector() {
let got = format!("{:x}", ChainHash::using_genesis_block(Network::Bitcoin)); let got = ChainHash::using_genesis_block(Network::Bitcoin).to_hex();
let want = "6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000"; let want = "6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000";
assert_eq!(got, want); assert_eq!(got, want);
} }

34
src/blockdata/script.rs
View File

@ -1067,8 +1067,10 @@ impl serde::Serialize for Script {
where where
S: serde::Serializer, S: serde::Serializer,
{ {
use crate::hashes::hex::ToHex;
if serializer.is_human_readable() { if serializer.is_human_readable() {
serializer.serialize_str(&format!("{:x}", self)) serializer.serialize_str(&self.to_hex())
} else { } else {
serializer.serialize_bytes(self.as_bytes()) serializer.serialize_bytes(self.as_bytes())
} }
@ -1158,7 +1160,7 @@ mod test {
.push_opcode(opcodes::all::OP_EQUALVERIFY) .push_opcode(opcodes::all::OP_EQUALVERIFY)
.push_opcode(opcodes::all::OP_CHECKSIG) .push_opcode(opcodes::all::OP_CHECKSIG)
.into_script(); .into_script();
assert_eq!(&format!("{:x}", script), "76a91416e1ae70ff0fa102905d4af297f6912bda6cce1988ac"); assert_eq!(script.to_hex(), "76a91416e1ae70ff0fa102905d4af297f6912bda6cce1988ac");
} }
#[test] #[test]
@ -1198,71 +1200,71 @@ mod test {
let simple = Builder::new() let simple = Builder::new()
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", simple), "69"); assert_eq!(simple.to_hex(), "69");
let simple2 = Builder::from(vec![]) let simple2 = Builder::from(vec![])
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", simple2), "69"); assert_eq!(simple2.to_hex(), "69");
let nonverify = Builder::new() let nonverify = Builder::new()
.push_verify() .push_verify()
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", nonverify), "6969"); assert_eq!(nonverify.to_hex(), "6969");
let nonverify2 = Builder::from(vec![0x69]) let nonverify2 = Builder::from(vec![0x69])
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", nonverify2), "6969"); assert_eq!(nonverify2.to_hex(), "6969");
let equal = Builder::new() let equal = Builder::new()
.push_opcode(opcodes::all::OP_EQUAL) .push_opcode(opcodes::all::OP_EQUAL)
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", equal), "88"); assert_eq!(equal.to_hex(), "88");
let equal2 = Builder::from(vec![0x87]) let equal2 = Builder::from(vec![0x87])
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", equal2), "88"); assert_eq!(equal2.to_hex(), "88");
let numequal = Builder::new() let numequal = Builder::new()
.push_opcode(opcodes::all::OP_NUMEQUAL) .push_opcode(opcodes::all::OP_NUMEQUAL)
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", numequal), "9d"); assert_eq!(numequal.to_hex(), "9d");
let numequal2 = Builder::from(vec![0x9c]) let numequal2 = Builder::from(vec![0x9c])
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", numequal2), "9d"); assert_eq!(numequal2.to_hex(), "9d");
let checksig = Builder::new() let checksig = Builder::new()
.push_opcode(opcodes::all::OP_CHECKSIG) .push_opcode(opcodes::all::OP_CHECKSIG)
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", checksig), "ad"); assert_eq!(checksig.to_hex(), "ad");
let checksig2 = Builder::from(vec![0xac]) let checksig2 = Builder::from(vec![0xac])
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", checksig2), "ad"); assert_eq!(checksig2.to_hex(), "ad");
let checkmultisig = Builder::new() let checkmultisig = Builder::new()
.push_opcode(opcodes::all::OP_CHECKMULTISIG) .push_opcode(opcodes::all::OP_CHECKMULTISIG)
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", checkmultisig), "af"); assert_eq!(checkmultisig.to_hex(), "af");
let checkmultisig2 = Builder::from(vec![0xae]) let checkmultisig2 = Builder::from(vec![0xae])
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", checkmultisig2), "af"); assert_eq!(checkmultisig2.to_hex(), "af");
let trick_slice = Builder::new() let trick_slice = Builder::new()
.push_slice(&[0xae]) // OP_CHECKMULTISIG .push_slice(&[0xae]) // OP_CHECKMULTISIG
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", trick_slice), "01ae69"); assert_eq!(trick_slice.to_hex(), "01ae69");
let trick_slice2 = Builder::from(vec![0x01, 0xae]) let trick_slice2 = Builder::from(vec![0x01, 0xae])
.push_verify() .push_verify()
.into_script(); .into_script();
assert_eq!(format!("{:x}", trick_slice2), "01ae69"); assert_eq!(trick_slice2.to_hex(), "01ae69");
} }
#[test] #[test]