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btcd/btcutil/txsort
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Exact
Oliver Gugger dccea8feba multi: use new v2 modules everywhere
2026-05-14 18:05:33 -07:00
..
testdata btcutil: move btcutil into new sub-module 2022-01-10 18:44:56 -08:00
doc.go multi: Run gofmt on the entire repository 2023-06-21 22:31:09 +09:00
README.md multi: use new v2 modules everywhere 2026-05-14 18:05:33 -07:00
txsort.go btcutil: remove circular dependency, use v2 2026-05-14 18:00:53 -07:00
txsort_test.go btcutil: remove circular dependency, use v2 2026-05-14 18:00:53 -07:00

README.md

txsort

Build Status ISC License GoDoc

Package txsort provides the transaction sorting according to BIP 69.

BIP 69 defines a standard lexicographical sort order of transaction inputs and outputs. This is useful to standardize transactions for faster multi-party agreement as well as preventing information leaks in a single-party use case.

The BIP goes into more detail, but for a quick and simplistic overview, the order for inputs is defined as first sorting on the previous output hash and then on the index as a tie breaker. The order for outputs is defined as first sorting on the amount and then on the raw public key script bytes as a tie breaker.

A comprehensive suite of tests is provided to ensure proper functionality.

Installation and Updating

$ go get -u github.com/btcsuite/btcd/btcutil/v2/txsort

License

Package txsort is licensed under the copyfree ISC License.