Make calldata dynamic

op-batcher/batcher/config.go

@@ -35,6 +35,9 @@ type Config struct {
 
 	// Channel builder parameters
 	Channel ChannelConfig
+
+	// SYSCOIN
+	ChainID uint64
 }
 
 // Check ensures that the [Config] is valid.
@@ -92,6 +95,9 @@ type CLIConfig struct {
 	MetricsConfig    opmetrics.CLIConfig
 	PprofConfig      oppprof.CLIConfig
 	CompressorConfig compressor.CLIConfig
+
+	// SYSCOIN
+	ChainID uint64
 }
 
 func (c CLIConfig) Check() error {
@@ -122,6 +128,7 @@ func NewConfig(ctx *cli.Context) CLIConfig {
 		RollupRpc:       ctx.String(flags.RollupRpcFlag.Name),
 		SubSafetyMargin: ctx.Uint64(flags.SubSafetyMarginFlag.Name),
 		PollInterval:    ctx.Duration(flags.PollIntervalFlag.Name),
+		ChainID:         ctx.Uint64(flags.ChainIDFlag.Name),
 
 		/* Optional Flags */
 

op-batcher/batcher/driver.go

@@ -4,6 +4,9 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/common"
+	"golang.org/x/crypto/sha3"
 	"io"
 	"math/big"
 	_ "net/http/pprof"
@@ -23,6 +26,22 @@ import (
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 )
 
+func testnetAppendSelector() []byte {
+	h := sha3.NewLegacyKeccak256()
+	h.Write([]byte("appendSequencerBatch()"))
+	sum := h.Sum(nil)
+	return sum[:4]
+}
+
+func buildTestnetRawCalldata(vhs [][32]byte) []byte {
+	data := make([]byte, 0, 4+32*len(vhs))
+	data = append(data, testnetAppendSelector()...)
+	for _, vh := range vhs {
+		data = append(data, vh[:]...)
+	}
+	return data
+}
+
 // BatchSubmitter encapsulates a service responsible for submitting L2 tx
 // batches to L1 for availability.
 type BatchSubmitter struct {
@@ -106,6 +125,7 @@ func NewBatchSubmitterFromCLIConfig(cfg CLIConfig, l log.Logger, m metrics.Metri
 			MaxFrameSize:       cfg.MaxL1TxSize - 1, // subtract 1 byte for version
 			CompressorConfig:   cfg.CompressorConfig.Config(),
 		},
+		ChainID: cfg.ChainID,
 	}
 
 	// Validate the batcher config
@@ -165,6 +185,24 @@ func (l *BatchSubmitter) StopIfRunning(ctx context.Context) {
 	_ = l.Stop(ctx)
 }
 
+func (l *BatchSubmitter) PickCalldataFormat(
+	ctx context.Context,
+	to common.Address,
+	arrayOfVHs [][32]byte,
+	parsedABI *abi.ABI,
+) ([]byte, error) {
+	if l.Config.ChainID == 5700 { // sys testnet
+		return buildTestnetRawCalldata(arrayOfVHs), nil
+	}
+
+	// mainnet is default (57 and any other chain ID)
+	packed, err := parsedABI.Pack("appendSequencerBatch", arrayOfVHs)
+	if err != nil {
+		return nil, fmt.Errorf("failed to pack mainnet calldata: %w", err)
+	}
+	return packed, nil
+}
+
 func (l *BatchSubmitter) Stop(ctx context.Context) error {
 	l.log.Info("Stopping Batch Submitter")
 
@@ -403,13 +441,14 @@ func (l *BatchSubmitter) publishTxToL1(ctx context.Context, queue *txmgr.Queue[t
 		var array [32]byte
 		copy(array[:], receipt.TxHash.Bytes())
 		arrayOfVHs = append(arrayOfVHs, array)
-		packedData, err := parsedABI.Pack(appendSequencerBatchMethodName, arrayOfVHs)
+		calldata, err := l.PickCalldataFormat(ctx, l.Rollup.BatchInboxAddress, arrayOfVHs, parsedABI)
 		if err != nil {
-			l.log.Error("Failed to pack data for function call: %v", err)
+			l.log.Error("Failed to build calldata for BatchInbox", "err", err)
 			l.recordFailedTx(txdata.ID(), err)
 			return err
 		}
-		txdata.frame.data = packedData
+
+		txdata.frame.data = calldata
 		l.sendTransaction(txdata, queue, receiptsCh)
 	}
 	return nil

op-batcher/flags/flags.go

@@ -39,6 +39,11 @@ var (
 		Usage:   "HTTP provider URL for Rollup node",
 		EnvVars: prefixEnvVars("ROLLUP_RPC"),
 	}
+	ChainIDFlag = &cli.StringFlag{
+		Name:    "rollup-rpc",
+		Usage:   "HTTP provider URL for Rollup node",
+		EnvVars: prefixEnvVars("CHAIN_ID"),
+	}
 	// Optional flags
 	SubSafetyMarginFlag = &cli.Uint64Flag{
 		Name: "sub-safety-margin",
@@ -48,6 +53,7 @@ var (
 		Value:   10,
 		EnvVars: prefixEnvVars("SUB_SAFETY_MARGIN"),
 	}
+
 	PollIntervalFlag = &cli.DurationFlag{
 		Name:    "poll-interval",
 		Usage:   "How frequently to poll L2 for new blocks",

ops-bedrock/docker-compose-rollux.yml

@@ -167,6 +167,7 @@ services:
       OP_BATCHER_PPROF_ENABLED: "true"
       OP_BATCHER_METRICS_ENABLED: "true"
       OP_BATCHER_RPC_ENABLE_ADMIN: "true"
+      OP_BATCHER_CHAIN_ID: 57
     dns:
       - 8.8.8.8
       - 8.8.4.4

ops-bedrock/docker-compose.yml

@@ -167,6 +167,7 @@ services:
       OP_BATCHER_PPROF_ENABLED: "true"
       OP_BATCHER_METRICS_ENABLED: "true"
       OP_BATCHER_RPC_ENABLE_ADMIN: "true"
+      OP_BATCHER_CHAIN_ID: 5700
     dns:
       - 8.8.8.8
       - 8.8.4.4