fix eth_sendRawTransaction arg json

rpctypes/types.go

@@ -118,6 +118,18 @@ type MevSendBundleArgs struct {
 
 type EthSendRawTransactionArgs hexutil.Bytes
 
+func (tx EthSendRawTransactionArgs) MarshalText() ([]byte, error) {
+	return hexutil.Bytes(tx).MarshalText()
+}
+
+func (tx *EthSendRawTransactionArgs) UnmarshalJSON(input []byte) error {
+	return (*hexutil.Bytes)(tx).UnmarshalJSON(input)
+}
+
+func (tx *EthSendRawTransactionArgs) UnmarshalText(input []byte) error {
+	return (*hexutil.Bytes)(tx).UnmarshalText(input)
+}
+
 // eth_cancelBundle
 
 type EthCancelBundleArgs struct {
@@ -256,9 +268,9 @@ func hashMevSendBundle(level int, b *MevSendBundleArgs) (common.Hash, error) {
 	return common.BytesToHash(hasher.Sum(nil)), nil
 }
 
-func (b *EthSendRawTransactionArgs) UniqueKey() uuid.UUID {
+func (tx *EthSendRawTransactionArgs) UniqueKey() uuid.UUID {
 	hash := newHash()
-	_, _ = hash.Write(*b)
+	_, _ = hash.Write(*tx)
 	return uuidFromHash(hash)
 }
 

rpctypes/types_tests.go → rpctypes/types_test.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/stretchr/testify/require"
 )
 
@@ -119,3 +120,19 @@ func TestMevSendBundleArgsValidate(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, "0x3b1994ad123d089f978074cfa197811b644e43b2b44b4c4710614f3a30ee0744", hash.Hex())
 }
+
+func TestEthsendRawTransactionArgsJSON(t *testing.T) {
+	data := hexutil.MustDecode("0x1234")
+
+	rawTransaction := EthSendRawTransactionArgs(data)
+
+	out, err := json.Marshal(rawTransaction)
+	require.NoError(t, err)
+
+	require.Equal(t, `"0x1234"`, string(out))
+
+	var roundtripRawTransaction EthSendRawTransactionArgs
+	err = json.Unmarshal(out, &roundtripRawTransaction)
+	require.NoError(t, err)
+	require.Equal(t, rawTransaction, roundtripRawTransaction)
+}