core/types: align EIP-8130 tx type to 0x79 in tests and comments

Author: xenoliss

core/types/eip8130_tx.go

@@ -207,7 +207,7 @@ func (tx *Eip8130Tx) decode(input []byte) error {
 // any recovery uses an EIP-8130-specific payload, so the generic signing-hash
 // path does not apply. It returns the zero hash as a sentinel rather than
 // panicking; the signer never consumes it (modernSigner.Sender short-circuits
-// 0x7B before reaching the hash path).
+// 0x79 before reaching the hash path).
 func (tx *Eip8130Tx) sigHash(*big.Int) common.Hash {
 	return common.Hash{}
 }

core/types/eip8130_tx_test.go

@@ -223,7 +223,7 @@ func TestEip8130TxAccountChangesRoundTrip(t *testing.T) {
 }
 
 // TestEip8130TxWireLiteralRoundTrip starts from a hand-built canonical
-// 0x7b||rlp(...) wire encoding with empty account_changes / calls (0xc0) and empty
+// 0x79||rlp(...) wire encoding with empty account_changes / calls (0xc0) and empty
 // auth, decodes it, and re-encodes it. It also checks that a transaction built with
 // nil account_changes / calls encodes to that same canonical wire: empty fields must
 // become the RLP empty list (0xc0) so the 2718 stream keeps its full element count.
@@ -497,7 +497,7 @@ func TestEip8130TxJSONVariants(t *testing.T) {
 func TestEip8130TxJSONRethShape(t *testing.T) {
 	senderAuth := "0x" + strings.Repeat("ab", 32)
 	input := `{
-		"type":"0x7b",
+		"type":"0x79",
 		"tx":{
 			"chainId":8453,
 			"sender":"0x0000000000000000000000000000000000000011",
@@ -572,7 +572,7 @@ func TestEip8130TxJSONRethShape(t *testing.T) {
 		t.Fatalf("unmarshal output: %v", err)
 	}
 	for k, want := range map[string]string{
-		"type":       `"0x7b"`,
+		"type":       `"0x79"`,
 		"senderAuth": `"` + senderAuth + `"`,
 		"payerAuth":  `"0x"`,
 	} {

core/types/transaction_signing.go

@@ -280,7 +280,7 @@ func (s *modernSigner) Sender(tx *Transaction) (common.Address, error) {
 	// authorization, not the signer.
 	//
 	// This branch also short-circuits before the generic chain-id check below:
-	// chain-id / replay binding for 0x7B is not enforced by the signer layer but
+	// chain-id / replay binding for 0x79 is not enforced by the signer layer but
 	// by EIP-8130 execution validation (per-ConfigChange chain_id and the tx
 	// chain_id bound during authorization).
 	if tt == Eip8130TxType {