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Merge a27bd32d26 into 12eabbd76d

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Charles Dusek 2026-05-21 21:54:35 -07:00 committed by GitHub
commit 13bb261460
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2 changed files with 29 additions and 2 deletions
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14
core/state_transition.go
View file

@ -725,7 +725,15 @@ func (st *stateTransition) validateAuthorization(auth *types.SetCodeAuthorizatio
// Validate signature values and recover authority.
authority, err = auth.Authority()
if err != nil {
return authority, fmt.Errorf("%w: %v", ErrAuthorizationInvalidSignature, err)
// In simulation mode (e.g. eth_estimateGas, eth_call), allow
// authorizations with invalid signatures by assuming the
// transaction sender is the authority. This lets callers estimate
// gas for EIP-7702 transactions before signing the authorization.
if st.msg.SkipTransactionChecks {
authority = st.msg.From
} else {
return authority, fmt.Errorf("%w: %v", ErrAuthorizationInvalidSignature, err)
}
}
// Check the authority account
// 1) doesn't have code or has exisiting delegation
@ -737,7 +745,9 @@ func (st *stateTransition) validateAuthorization(auth *types.SetCodeAuthorizatio
if _, ok := types.ParseDelegation(code); len(code) != 0 && !ok {
return authority, ErrAuthorizationDestinationHasCode
}
if have := st.state.GetNonce(authority); have != auth.Nonce {
// Skip nonce validation in simulation mode, consistent with the
// top-level SkipNonceChecks behaviour for the sender account.
if have := st.state.GetNonce(authority); have != auth.Nonce && !st.msg.SkipNonceChecks {
return authority, ErrAuthorizationNonceMismatch
}
return authority, nil

17
internal/ethapi/api_test.go
View file

@ -997,6 +997,23 @@ func TestEstimateGas(t *testing.T) {
},
expectErr: core.ErrSetCodeTxCreate,
},
// EstimateGas with unsigned (zero-signature) EIP-7702 authorization
// should succeed, using the sender as the authority. This allows
// callers to estimate gas before signing the authorization.
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{
From: &accounts[0].addr,
To: &accounts[1].addr,
Value: (*hexutil.Big)(big.NewInt(0)),
AuthorizationList: []types.SetCodeAuthorization{{
ChainID: *uint256.NewInt(0),
Address: accounts[0].addr,
Nonce: uint64(genBlocks + 1),
}},
},
want: 46000,
},
}
for i, tc := range testSuite {
result, err := api.EstimateGas(context.Background(), tc.call, &rpc.BlockNumberOrHash{BlockNumber: &tc.blockNumber}, &tc.overrides, &tc.blockOverrides)