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core/types: expose sigHash as Hash for SetCodeAuthorization #32298

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Merged
merged 3 commits into from
Jul 31, 2025
Merged

core/types: expose sigHash as Hash for SetCodeAuthorization #32298

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52a0eba
core/types: expose sigHash as Hash for SetCodeAuthorization
Jul 29, 2025
743d25a
rename to SigHash
Jul 30, 2025
fb743e9
Update tx_setcode.go
rjl493456442 Jul 31, 2025
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7 changes: 4 additions & 3 deletions core/types/tx_setcode.go
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Original file line number Diff line number Diff line change
Expand Up @@ -89,7 +89,7 @@ type authorizationMarshaling struct {

// SignSetCode creates a signed the SetCode authorization.
func SignSetCode(prv *ecdsa.PrivateKey, auth SetCodeAuthorization) (SetCodeAuthorization, error) {
sighash := auth.sigHash()
sighash := auth.SigHash()
sig, err := crypto.Sign(sighash[:], prv)
if err != nil {
return SetCodeAuthorization{}, err
Expand All @@ -105,7 +105,8 @@ func SignSetCode(prv *ecdsa.PrivateKey, auth SetCodeAuthorization) (SetCodeAutho
}, nil
}

func (a *SetCodeAuthorization) sigHash() common.Hash {
// SigHash returns the hash of SetCodeAuthorization for signing.
func (a *SetCodeAuthorization) SigHash() common.Hash {
return prefixedRlpHash(0x05, []any{
a.ChainID,
a.Address,
Expand All @@ -115,7 +116,7 @@ func (a *SetCodeAuthorization) sigHash() common.Hash {

// Authority recovers the the authorizing account of an authorization.
func (a *SetCodeAuthorization) Authority() (common.Address, error) {
sighash := a.sigHash()
sighash := a.SigHash()
if !crypto.ValidateSignatureValues(a.V, a.R.ToBig(), a.S.ToBig(), true) {
return common.Address{}, ErrInvalidSig
}
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