Optimize Witness serialization
#942
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Warning re 'good first issue', might not be totally trivial to sort through the thread of discussion on #899 which is related to this. |
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I don't think it's too important, just looking at the code the optimization should be obvious. |
DanGould
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DanGould
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DanGould
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a1df62a Witness human-readable serde test (Dr Maxim Orlovsky) 68577df Witness human-readable serde (Dr Maxim Orlovsky) 93b66c5 Witness serde: test binary encoding to be backward-compatible (Dr Maxim Orlovsky) b409ae7 witness: Refactor import statements (Tobin C. Harding) e23d3a8 Remove unnecessary whitespace (Tobin C. Harding) ac55b10 Add whitespace between functions (Tobin C. Harding) Pull request description: This is dr-orlovsky's [PR](#899) picked up at his permission in the discussion thread. I went through the review comments and implemented everything except the perf optimisations. Also includes a patch at the front of the PR that adds a unit test that can be run to see the "before and after", not sure if we want it in, perhaps it should be removed before merge. This PR implicitly fixes 942. To test this PR works as advertised run `cargo test display_transaction --features=serde -- --nocapture` after creating a unit test as follows: ```rust // Used to verify that parts of a transaction pretty print. // `cargo test display_transaction --features=serde -- --nocapture` #[cfg(feature = "serde")] #[test] fn serde_display_transaction() { let tx_bytes = Vec::from_hex( "02000000000101595895ea20179de87052b4046dfe6fd515860505d6511a9004cf12a1f93cac7c01000000\ 00ffffffff01deb807000000000017a9140f3444e271620c736808aa7b33e370bd87cb5a078702483045022\ 100fb60dad8df4af2841adc0346638c16d0b8035f5e3f3753b88db122e70c79f9370220756e6633b17fd271\ 0e626347d28d60b0a2d6cbb41de51740644b9fb3ba7751040121028fa937ca8cba2197a37c007176ed89410\ 55d3bcb8627d085e94553e62f057dcc00000000" ).unwrap(); let tx: Transaction = deserialize(&tx_bytes).unwrap(); let ser = serde_json::to_string_pretty(&tx).unwrap(); println!("{}", ser); } ``` Fixes: #942 ACKs for top commit: apoelstra: ACK a1df62a Kixunil: ACK a1df62a Tree-SHA512: d0ef5b8cbf1cf8456eaaea490a793f1ac7dfb18067c4019a2c3a1bdd9627a231a4dd0a0151a4df9af2b32b909d4b384a5bec1dd3e38d44dc6a23f9c40aa4f1f9
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self.to_vec()allocates, it should be possible to avoid it - just feed the items into serializer.The text was updated successfully, but these errors were encountered: