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btcsuite
multi: recognize new standard P2A output type
In this PR, we add initial recognition of the new P2A output type. It actually overloads the existing Taproot witness version, but with a distinct witness program. We adopt the proposed standardness rules to make only spends without any witness data standard. Utilities to parse the script, make addresses, etc - have also been added.
Note that this doesn't include the logic to support "ephemeral dust", which enables zero fee and zero value outputs under certain conditions.
A replace dir is used as we modified btcutil in this PR.
Pull Request Test Coverage Report for Build 20117557279
Details
- 101 of 111 (90.99%) changed or added relevant lines in 6 files are covered.
- 127 unchanged lines in 8 files lost coverage.
- Overall coverage increased (+0.4%) to 55.171%
| Changes Missing Coverage | Covered Lines | Changed/Added Lines | % |
|---|---|---|---|
| txscript/pkscript.go | 1 | 2 | 50.0% |
| txscript/sign.go | 0 | 1 | 0.0% |
| mempool/policy.go | 28 | 30 | 93.33% |
| txscript/standard.go | 24 | 30 | 80.0% |
| <!-- | Total: | 101 | 111 |
| Files with Coverage Reduction | New Missed Lines | % |
|---|---|---|
| btcutil/bech32/bech32.go | 1 | 99.61% |
| btcutil/bloom/filter.go | 2 | 96.84% |
| btcutil/gcs/gcs.go | 2 | 81.25% |
| txscript/taproot.go | 2 | 97.74% |
| database/ffldb/blockio.go | 4 | 88.81% |
| peer/peer.go | 15 | 71.1% |
| rpcclient/infrastructure.go | 38 | 47.99% |
| btcec/schnorr/musig2/context.go | 63 | 80.17% |
| <!-- | Total: | 127 |
| Totals | |
|---|---|
| Change from base Build 20117517710: | 0.4% |
| Covered Lines: | 31296 |
| Relevant Lines: | 56725 |
