Updated Mantle fatal error regex (#458)

Author: amit-momin

pkg/client/errors.go

@@ -273,7 +273,7 @@ var aStar = ClientErrors{
 
 var mantle = ClientErrors{
 	InsufficientEth:                   regexp.MustCompile(`(: |^)'*insufficient funds for gas \* price \+ value`),
-	Fatal:                             regexp.MustCompile(`(: |^)'*invalid sender`),
+	Fatal:                             regexp.MustCompile(`(: |^)'*(invalid sender|intrinsic gas too low|exceeds block gas limit)`),
 	NonceTooLow:                       regexp.MustCompile(`(: |^)'*nonce too low`),
 	ReplacementTransactionUnderpriced: regexp.MustCompile(`(: |^)'*replacement transaction underpriced`),
 	TransactionAlreadyInMempool:       regexp.MustCompile(`(: |^)'*already known`),

pkg/client/errors_test.go

@@ -446,6 +446,8 @@ func Test_Eth_Errors_Fatal(t *testing.T) {
 		{"Failed to serialize transaction: oversized data. max: 1000000; actual: 1000000", true, "zkSync"},
 
 		{"failed to forward tx to sequencer, please try again. Error message: 'invalid sender'", true, "Mantle"},
+		{"failed to forward tx to sequencer, err: 'intrinsic gas too low: gas 5000000, minimum needed 93897576'", true, "Mantle"},
+		{"failed to forward tx to sequencer, err: 'exceeds block gas limit'", true, "Mantle"},
 
 		{"client error fatal", true, "tomlConfig"},
 		{"[Request ID: d9711488-4c1e-4af2-bc1f-7969913d7b60] Error invoking RPC: transaction 0.0.4425573@1718213476.914320044 failed precheck with status INVALID_SIGNATURE", true, "hedera"},