skip EoA check in validation mode

core/state_transition.go

@@ -142,10 +142,12 @@ type Message struct {
 	BlobGasFeeCap *big.Int
 	BlobHashes    []common.Hash
 
-	// When SkipAccountChecks is true, the message nonce is not checked against the
-	// account nonce in state. It also disables checking that the sender is an EOA.
+	// When SkipNonceChecks is true, the message nonce is not checked against the
+	// account nonce in state.
 	// This field will be set to true for operations like RPC eth_call.
-	SkipAccountChecks bool
+	SkipNonceChecks bool
+	// When SkipFromEoACheck is true, the message sender is not checked to be an EOA.
+	SkipFromEoACheck bool
 }
 
 // TransactionToMessage converts a transaction into a Message.
@@ -160,7 +162,8 @@ func TransactionToMessage(tx *types.Transaction, s types.Signer, baseFee *big.In
 		Value:            tx.Value(),
 		Data:             tx.Data(),
 		AccessList:       tx.AccessList(),
-		SkipAccountChecks: false,
+		SkipNonceChecks:  false,
+		SkipFromEoACheck: false,
 		BlobHashes:       tx.BlobHashes(),
 		BlobGasFeeCap:    tx.BlobGasFeeCap(),
 	}
@@ -280,7 +283,7 @@ func (st *StateTransition) buyGas() error {
 func (st *StateTransition) preCheck() error {
 	// Only check transactions that are not fake
 	msg := st.msg
-	if !msg.SkipAccountChecks {
+	if !msg.SkipNonceChecks {
 		// Make sure this transaction's nonce is correct.
 		stNonce := st.state.GetNonce(msg.From)
 		if msgNonce := msg.Nonce; stNonce < msgNonce {
@@ -293,6 +296,8 @@ func (st *StateTransition) preCheck() error {
 			return fmt.Errorf("%w: address %v, nonce: %d", ErrNonceMax,
 				msg.From.Hex(), stNonce)
 		}
+	}
+	if !msg.SkipFromEoACheck {
 		// Make sure the sender is an EOA
 		codeHash := st.state.GetCodeHash(msg.From)
 		if codeHash != (common.Hash{}) && codeHash != types.EmptyCodeHash {

eth/tracers/api.go

@@ -951,7 +951,7 @@ func (api *API) TraceCall(ctx context.Context, args ethapi.TransactionArgs, bloc
 		return nil, err
 	}
 	var (
-		msg         = args.ToMessage(vmctx.BaseFee, true)
+		msg         = args.ToMessage(vmctx.BaseFee, true, true)
 		tx          = args.ToTransaction(args.GasPrice == nil)
 		traceConfig *TraceConfig
 	)

internal/ethapi/api.go

@@ -1172,7 +1172,7 @@ func applyMessage(ctx context.Context, b Backend, args TransactionArgs, state *s
 	if err := args.CallDefaults(gp.Gas(), blockContext.BaseFee, b.ChainConfig().ChainID); err != nil {
 		return nil, err
 	}
-	msg := args.ToMessage(header.BaseFee, skipChecks)
+	msg := args.ToMessage(header.BaseFee, skipChecks, skipChecks)
 	// Lower the basefee to 0 to avoid breaking EVM
 	// invariants (basefee < feecap).
 	if msg.GasPrice.Sign() == 0 {
@@ -1299,7 +1299,7 @@ func DoEstimateGas(ctx context.Context, b Backend, args TransactionArgs, blockNr
 	if err := args.CallDefaults(gasCap, header.BaseFee, b.ChainConfig().ChainID); err != nil {
 		return 0, err
 	}
-	call := args.ToMessage(header.BaseFee, true)
+	call := args.ToMessage(header.BaseFee, true, true)
 
 	// Run the gas estimation and wrap any revertals into a custom return
 	estimate, revert, err := gasestimator.Estimate(ctx, call, opts, gasCap)
@@ -1633,7 +1633,7 @@ func AccessList(ctx context.Context, b Backend, blockNrOrHash rpc.BlockNumberOrH
 		statedb := db.Copy()
 		// Set the accesslist to the last al
 		args.AccessList = &accessList
-		msg := args.ToMessage(header.BaseFee, true)
+		msg := args.ToMessage(header.BaseFee, true, true)
 
 		// Apply the transaction with the access list tracer
 		tracer := logger.NewAccessListTracer(accessList, args.from(), to, precompiles)

internal/ethapi/api_test.go

@@ -1720,6 +1720,41 @@ func TestSimulateV1(t *testing.T) {
 			want:       nil,
 			expectErr:  &invalidTxError{Message: fmt.Sprintf("err: nonce too high: address %s, tx: 2 state: 0 (supplied gas 4712388)", accounts[2].addr), Code: errCodeNonceTooHigh},
 		},
+		// Contract sends tx in validation mode.
+		{
+			name: "validation-checks-from-contract",
+			tag:  latest,
+			blocks: []simBlock{{
+				StateOverrides: &StateOverride{
+					randomAccounts[2].addr: OverrideAccount{
+						Balance: newRPCBalance(big.NewInt(2098640803896784)),
+						Code:    hex2Bytes("00"),
+						Nonce:   newUint64(1),
+					},
+				},
+				Calls: []TransactionArgs{{
+					From:                 &randomAccounts[2].addr,
+					To:                   &cac,
+					Nonce:                newUint64(1),
+					MaxFeePerGas:         newInt(233138868),
+					MaxPriorityFeePerGas: newInt(1),
+				}},
+			}},
+			validation: &validation,
+			want: []blockRes{{
+				Number:        "0xb",
+				GasLimit:      "0x47e7c4",
+				GasUsed:       "0xd166",
+				Miner:         coinbase,
+				BaseFeePerGas: "0xde56ab3",
+				Calls: []callRes{{
+					ReturnValue: "0x",
+					GasUsed:     "0xd166",
+					Logs:        []log{},
+					Status:      "0x1",
+				}},
+			}},
+		},
 		// Successful validation
 		{
 			name: "validation-checks-success",

internal/ethapi/simulate.go

@@ -194,7 +194,8 @@ func (sim *simulator) processBlock(ctx context.Context, block *simBlock, header,
 		}
 		tx := call.ToTransaction(call.GasPrice == nil)
 		txes[i] = tx
-		msg := call.ToMessage(header.BaseFee, !sim.validate)
+		// EoA check is always skipped, even in validation mode.
+		msg := call.ToMessage(header.BaseFee, !sim.validate, true)
 		tracer.reset(tx.Hash(), uint(i))
 		evm.Reset(core.NewEVMTxContext(msg), sim.state)
 		result, err := applyMessageWithEVM(ctx, evm, msg, sim.state, timeout, gp)

internal/ethapi/transaction_args.go

@@ -421,7 +421,7 @@ func (args *TransactionArgs) CallDefaults(globalGasCap uint64, baseFee *big.Int,
 // core evm. This method is used in calls and traces that do not require a real
 // live transaction.
 // Assumes that fields are not nil, i.e. setDefaults or CallDefaults has been called.
-func (args *TransactionArgs) ToMessage(baseFee *big.Int, skipChecks bool) *core.Message {
+func (args *TransactionArgs) ToMessage(baseFee *big.Int, skipNonceCheck, skipEoACheck bool) *core.Message {
 	var (
 		gasPrice  *big.Int
 		gasFeeCap *big.Int
@@ -464,7 +464,8 @@ func (args *TransactionArgs) ToMessage(baseFee *big.Int, skipChecks bool) *core.
 		AccessList:       accessList,
 		BlobGasFeeCap:    (*big.Int)(args.BlobFeeCap),
 		BlobHashes:       args.BlobHashes,
-		SkipAccountChecks: skipChecks,
+		SkipNonceChecks:  skipNonceCheck,
+		SkipFromEoACheck: skipEoACheck,
 	}
 }