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feat: turns out, PayloadEncoding can be multiple values for EIP191

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This commit is contained in:
Michael Muré
2025-07-24 13:53:03 +02:00
parent 2f22cb9b15
commit 35ef54f79f
6 changed files with 111 additions and 48 deletions
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10
common_test.go
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@@ -64,8 +64,8 @@ func TestRoundTrip(t *testing.T) {
},
{
name: "EIP191",
varsig: must(varsig.EIP191()),
dataHex: "3401ec01e7011b91a303",
varsig: must(varsig.EIP191(varsig.PayloadEncodingEIP191Raw)),
dataHex: "3401ec01e7011b91c3035f",
},
// from https://github.com/hugomrdias/iso-repo/blob/main/packages/iso-ucan/test/varsig.test.js
@@ -89,16 +89,14 @@ func TestRoundTrip(t *testing.T) {
varsig: must(varsig.ES256K(varsig.PayloadEncodingVerbatim)),
dataBytes: []byte{52, 1, 236, 1, 231, 1, 18, 95},
},
// the two cases below in iso-ucan are actually EIP191 preset where the encoding is overridden
// therefore, we build them manually.
{
name: "EIP191+RAW",
varsig: must(varsig.NewECDSAVarsig(varsig.CurveSecp256k1, varsig.HashKeccak256, varsig.PayloadEncodingVerbatim)),
varsig: must(varsig.EIP191(varsig.PayloadEncodingEIP191Raw)),
dataBytes: []byte{52, 1, 236, 1, 231, 1, 27, 145, 195, 3, 95},
},
{
name: "EIP191+DAG-CBOR",
varsig: must(varsig.NewECDSAVarsig(varsig.CurveSecp256k1, varsig.HashKeccak256, varsig.PayloadEncodingDAGCBOR)),
varsig: must(varsig.EIP191(varsig.PayloadEncodingEIP191Cbor)),
dataBytes: []byte{52, 1, 236, 1, 231, 1, 27, 145, 195, 3, 113},
},
} {