Differential D15956
[ecash-lib] Add `UnsignedTx` and `UnsignedTxInput` Authored by tobias_ruck on Fri, Apr 12, 01:33. Tags None Subscribers None
Details
This allows building the sighash preimages required for signing inputs. We use UnsignedTx to precompute the hashes required for building the preimages, in case we need to sign a lot of inputs. Only BIP143 sighash preimages are implemented, but not LEGACY; they aren't available on eCash since UAHF. Implementing it might be useful if we want to allow people to use ecash-lib on Dogecoin. npm run test && npm run build
Diff Detail
Event TimelineComment Actions Build Bitcoin ABC Diffs / Diff Testing (ecash-lib-tests) failed.
Tail of the build log: Downloaded digest v0.10.7
Downloaded thiserror-impl v1.0.58
Downloaded wasm-bindgen-macro v0.2.92
Downloaded bumpalo v3.16.0
Downloaded wasm-bindgen-backend v0.2.92
Downloaded wasm-bindgen v0.2.92
Downloaded typenum v1.17.0
Downloaded thiserror v1.0.58
Downloaded wasm-bindgen-macro-support v0.2.92
Downloaded ripemd v0.1.3
Downloaded sha2 v0.10.8
Downloaded generic-array v0.14.7
Downloaded crypto-common v0.1.6
Downloaded cpufeatures v0.2.12
Compiling proc-macro2 v1.0.79
Compiling unicode-ident v1.0.12
Compiling typenum v1.17.0
Compiling version_check v0.9.4
Compiling wasm-bindgen-shared v0.2.92
Compiling cc v1.0.92
Compiling once_cell v1.19.0
Compiling log v0.4.21
Compiling bumpalo v3.16.0
Compiling cfg-if v1.0.0
Compiling wasm-bindgen v0.2.92
Compiling thiserror v1.0.58
Compiling abc-rust-lint v0.1.0 (/work/chronik/abc-rust-lint)
Compiling generic-array v0.14.7
Compiling quote v1.0.36
Compiling syn v2.0.58
Compiling secp256k1-sys-abc v0.4.1 (https://github.com/raipay/secp256k1-abc?rev=b23e742#b23e7421)
Compiling crypto-common v0.1.6
Compiling block-buffer v0.10.4
Compiling digest v0.10.7
Compiling sha2 v0.10.8
Compiling ripemd v0.1.3
Compiling wasm-bindgen-backend v0.2.92
Compiling secp256k1-abc v0.20.3 (https://github.com/raipay/secp256k1-abc?rev=b23e742#b23e7421)
Compiling thiserror-impl v1.0.58
Compiling wasm-bindgen-macro-support v0.2.92
Compiling wasm-bindgen-macro v0.2.92
Compiling ecash-lib-wasm v0.1.0 (/work/modules/ecash-lib-wasm)
Finished release-wasm [optimized] target(s) in 5.05s
/work/modules/ecash-lib /work/modules/ecash-lib-wasm /work/abc-ci-builds/ecash-lib-tests
added 361 packages, and audited 362 packages in 3s
60 packages are looking for funding
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found 0 vulnerabilities
CI configured to test build. Building...
> ecash-lib@0.1.0 build
> tsc && cp -r ./src/ffi ./dist
src/unsignedTx.test.ts(450,35): error TS2739: Type '{ prevOut: OutPoint; }' is missing the following properties from type 'TxInput': script, sequence
src/unsignedTx.test.ts(459,63): error TS2741: Property 'value' is missing in type '{}' but required in type 'SignData'.
src/unsignedTx.test.ts(472,29): error TS2741: Property 'value' is missing in type '{ outputScript: Script; }' but required in type 'SignData'.
Build ecash-lib-tests failed with exit code 2Comment Actions A sighash is the hash you have to sign for a signature for OP_CHECKSIG, and a sighash preimage is the preimage (ie “unhashed”) data of that Maybe this helps: https://learn.saylor.org/mod/book/view.php?id=36341&chapterid=18919 Here’s how we use SIGHASH preimages in covenants: https://read.cash/@pein/bch-covenants-with-spedn-4a980ed3 And here my crazy ideas: https://tobiasruck.com/content/lets-play-chess-on-bch/
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