add extract rpc error data helper function

bridgesync/e2e_test.go

@@ -47,7 +47,6 @@ func TestBridgeEventE2E(t *testing.T) {
 			bridge.OriginAddress,
 			true, nil,
 		)
-		t.Logf("BridgeAsset err: %+v", err)
 		require.NoError(t, err)
 		helpers.CommitBlocks(t, env.L1Client, 1, blockTime)
 		bn, err := env.L1Client.Client().BlockNumber(ctx)

test/helpers/ethtxmanmock_e2e.go

@@ -56,11 +56,11 @@ func NewEthTxManMock(
 
 			_, err := client.Client().EstimateGas(ctx, msg)
 			if err != nil {
-				log.Errorf("eth_estimateGas invocation failed: %+v", err)
+				log.Errorf("eth_estimateGas invocation failed: %w", ExtractRPCErrorData(err))
 
 				res, err := client.Client().CallContract(ctx, msg, nil)
 				if err != nil {
-					log.Errorf("eth_call invocation failed: %+v", err)
+					log.Errorf("eth_call invocation failed: %w", ExtractRPCErrorData(err))
 				} else {
 					log.Debugf("contract call result: %s", hex.EncodeToString(res))
 				}
@@ -69,11 +69,9 @@ func NewEthTxManMock(
 
 			err = SendTx(ctx, client, auth, to, data, common.Big0)
 			if err != nil {
-				log.Errorf("failed to send transaction: %s", err)
+				log.Errorf("failed to send transaction: %w", err)
 				return
 			}
-
-			client.Commit()
 		}).
 		Return(common.Hash{}, nil)
 	ethTxMock.On("Result", mock.Anything, mock.Anything).
@@ -102,7 +100,7 @@ func SendTx(ctx context.Context, client *simulated.Backend, auth *bind.TransactO
 
 		gas, err = client.Client().EstimateGas(ctx, msg)
 		if err != nil {
-			return err
+			return ExtractRPCErrorData(err)
 		}
 	}
 
@@ -142,12 +140,5 @@ func SendTx(ctx context.Context, client *simulated.Backend, auth *bind.TransactO
 
 	client.Commit()
 
-	receipt, err := client.Client().TransactionReceipt(ctx, signedTx.Hash())
-	if err != nil {
-		return fmt.Errorf("transaction failed: %w", err)
-	}
-
-	fmt.Printf("Transaction status: %d\n", receipt.Status)
-
 	return nil
 }

test/helpers/simulated.go

@@ -2,6 +2,7 @@ package helpers
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"math/big"
 	"testing"
@@ -157,6 +158,7 @@ func NewSimulatedBackend(t *testing.T,
 	return client, setup
 }
 
+// CreateAccount creates new private key and corresponding transaction signer
 func CreateAccount(chainID *big.Int) (*bind.TransactOpts, error) {
 	privateKey, err := crypto.GenerateKey()
 	if err != nil {
@@ -165,3 +167,15 @@ func CreateAccount(chainID *big.Int) (*bind.TransactOpts, error) {
 
 	return bind.NewKeyedTransactorWithChainID(privateKey, chainID)
 }
+
+// ExtractRPCErrorData tries to extract the error data from the provided error
+func ExtractRPCErrorData(err error) error {
+	var ed rpc.DataError
+	if errors.As(err, &ed) {
+		if eds, ok := ed.ErrorData().(string); ok {
+			return fmt.Errorf("%w (error data: %s)", err, eds)
+		}
+	}
+
+	return err
+}