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Merge pull request #165 from aimxhaisse/fix/eip-7044

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Support of EIP-7044 in exit verify cmd
This commit is contained in:
Jim McDonald
2025-04-07 09:56:39 +01:00
committed by GitHub
parent c46483586d e4f0b934d7
commit 8b7aab7180
1 changed files with 21 additions and 18 deletions
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39
cmd/exitverify.go
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@@ -72,32 +72,35 @@ In quiet mode this will return 0 if the exit is verified correctly, otherwise 1.
errCheck(err, "Failed to obtain beacon chain genesis")
genesis := genesisResponse.Data
response, err := eth2Client.(consensusclient.ForkProvider).Fork(ctx, &api.ForkOpts{State: "head"})
errCheck(err, "Failed to obtain fork information")
response, err := eth2Client.(consensusclient.SpecProvider).Spec(ctx, &api.SpecOpts{})
errCheck(err, "Failed to obtain spec information")
// Check against current and prior fork versions.
// Check against Capella fork version (EIP-7044)
signatureBytes := make([]byte, 96)
copy(signatureBytes, signedOp.Signature[:])
sig, err := e2types.BLSSignatureFromBytes(signatureBytes)
errCheck(err, "Invalid signature")
verified := false
// Try with the current fork.
domain := phase0.Domain{}
currentExitDomain, err := e2types.ComputeDomain(e2types.DomainVoluntaryExit, response.Data.CurrentVersion[:], genesis.GenesisValidatorsRoot[:])
errCheck(err, "Failed to compute domain")
copy(domain[:], currentExitDomain)
verified, err = util.VerifyRoot(account, opRoot, domain, sig)
errCheck(err, "Failed to verify voluntary exit")
if !verified {
// Try again with the previous fork.
previousExitDomain, err := e2types.ComputeDomain(e2types.DomainVoluntaryExit, response.Data.PreviousVersion[:], genesis.GenesisValidatorsRoot[:])
copy(domain[:], previousExitDomain)
errCheck(err, "Failed to compute domain")
verified, err = util.VerifyRoot(account, opRoot, domain, sig)
errCheck(err, "Failed to verify voluntary exit")
forkRaw, ok := response.Data["CAPELLA_FORK_VERSION"]
if !ok {
err = errors.New("failed to obtain Capella fork version")
}
errCheck(err, "Failed to obtain fork version")
fork, ok := forkRaw.(phase0.Version)
if !ok {
err = errors.New("fork version is not of a valid type")
}
errCheck(err, "Failed to obtain fork version")
exitDomain, err := e2types.ComputeDomain(e2types.DomainVoluntaryExit, fork[:], genesis.GenesisValidatorsRoot[:])
errCheck(err, "Failed to compute domain")
copy(domain[:], exitDomain)
verified, err := util.VerifyRoot(account, opRoot, domain, sig)
errCheck(err, "Failed to verify voluntary exit")
assert(verified, "Voluntary exit failed to verify against current and previous fork versions")
outputIf(viper.GetBool("verbose"), "Verified")