test(bindings): test TryParsingCustomErrorFromReceipt (#758)

proposer/proposer.go

@@ -17,7 +17,6 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/rlp"
-
 	"github.com/urfave/cli/v2"
 
 	"github.com/taikoxyz/taiko-client/bindings"
@@ -375,7 +374,7 @@ func (p *Proposer) ProposeTxLists(ctx context.Context, txListsBytes [][]byte) []
 		// If a transaction is reverted on chain, the error string returned by txSender will like this:
 		// fmt.Errorf("%w purpose: %v hash: %v", ErrTransactionReverted, txPurpose, rcpt.Receipt.TxHash)
 		// Then we try parsing the custom error for more details in log.
-		if strings.Contains("purpose: ", err.Error()) && strings.Contains("hash: ", err.Error()) {
+		if strings.Contains(err.Error(), "purpose: ") && strings.Contains(err.Error(), "hash: ") {
 			txHash := strings.Split(err.Error(), "hash: ")[1]
 			receipt, err := p.rpc.L1.TransactionReceipt(ctx, common.HexToHash(txHash))
 			if err != nil {

proposer/proposer_test.go

@@ -3,9 +3,11 @@ package proposer
 import (
 	"context"
 	"os"
+	"strings"
 	"testing"
 	"time"
 
+	"github.com/ethereum-optimism/optimism/op-service/eth"
 	"github.com/ethereum-optimism/optimism/op-service/txmgr"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/math"
@@ -17,6 +19,7 @@ import (
 	"github.com/stretchr/testify/suite"
 
 	"github.com/taikoxyz/taiko-client/bindings"
+	"github.com/taikoxyz/taiko-client/bindings/encoding"
 	"github.com/taikoxyz/taiko-client/driver/chain_syncer/beaconsync"
 	"github.com/taikoxyz/taiko-client/driver/chain_syncer/blob"
 	"github.com/taikoxyz/taiko-client/driver/state"
@@ -25,6 +28,7 @@ import (
 	"github.com/taikoxyz/taiko-client/internal/utils"
 	"github.com/taikoxyz/taiko-client/pkg/jwt"
 	"github.com/taikoxyz/taiko-client/pkg/rpc"
+	builder "github.com/taikoxyz/taiko-client/proposer/transaction_builder"
 )
 
 type ProposerTestSuite struct {
@@ -285,6 +289,80 @@ func (s *ProposerTestSuite) TestAssignProverSuccessFirstRound() {
 	s.Equal(fee.Uint64(), s.p.OptimisticTierFee.Uint64())
 }
 
+func (s *ProposerTestSuite) TestProposeTxLists() {
+	p := s.p
+	ctx := p.ctx
+	cfg := s.p.Config
+
+	txBuilder := builder.NewBlobTransactionBuilder(
+		p.rpc,
+		p.L1ProposerPrivKey,
+		p.proverSelector,
+		p.Config.L1BlockBuilderTip,
+		cfg.TaikoL1Address,
+		cfg.L2SuggestedFeeRecipient,
+		cfg.AssignmentHookAddress,
+		cfg.ProposeBlockTxGasLimit,
+		cfg.ExtraData,
+	)
+
+	emptyTxListBytes, err := rlp.EncodeToBytes(types.Transactions{})
+	s.Nil(err)
+	txListsBytes := [][]byte{emptyTxListBytes}
+	txCandidates := make([]txmgr.TxCandidate, len(txListsBytes))
+	for i, txListBytes := range txListsBytes {
+		compressedTxListBytes, err := utils.Compress(txListBytes)
+		if err != nil {
+			log.Warn("Failed to compress transactions list", "index", i, "error", err)
+			break
+		}
+
+		candidate, err := txBuilder.Build(
+			p.ctx,
+			p.tierFees,
+			p.IncludeParentMetaHash,
+			compressedTxListBytes,
+		)
+		if err != nil {
+			log.Warn("Failed to build TaikoL1.proposeBlock transaction", "error", err)
+			break
+		}
+
+		// trigger the error
+		candidate.Blobs = []*eth.Blob{}
+		candidate.GasLimit = 10000000
+
+		txCandidates[i] = *candidate
+	}
+
+	// Send the transactions to the TaikoL1 contract, and if any of them fails, try
+	// to parse the custom error.
+	errors := p.txSender.SendAndWaitDetailed("proposeBlock", txCandidates...)
+	for i, err := range errors {
+		if err == nil {
+			continue
+		}
+
+		// If a transaction is reverted on chain, the error string returned by txSender will like this:
+		// fmt.Errorf("%w purpose: %v hash: %v", ErrTransactionReverted, txPurpose, rcpt.Receipt.TxHash)
+		// Then we try parsing the custom error for more details in log.
+		if strings.Contains(err.Error(), "purpose: ") && strings.Contains(err.Error(), "hash: ") {
+			txHash := strings.Split(err.Error(), "hash: ")[1]
+			receipt, err := p.rpc.L1.TransactionReceipt(ctx, common.HexToHash(txHash))
+			if err != nil {
+				log.Error("Failed to fetch receipt", "txHash", txHash, "error", err)
+				continue
+			}
+			errors[i] = encoding.TryParsingCustomErrorFromReceipt(ctx, p.rpc.L1, p.proposerAddress, receipt)
+		}
+	}
+
+	// confirm errors handled
+	for _, err := range errors {
+		s.Equal("L1_BLOB_NOT_AVAILABLE", err.Error())
+	}
+}
+
 func (s *ProposerTestSuite) TestUpdateProposingTicker() {
 	s.p.ProposeInterval = 1 * time.Hour
 	s.NotPanics(s.p.updateProposingTicker)