Add batcher max channel duration (#118)

Author: ferranbt

internal/components.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"strconv"
 	"strings"
 	"time"
 )
@@ -33,12 +34,16 @@ func (r *RollupBoost) Name() string {
 }
 
 type OpBatcher struct {
-	L1Node     string
-	L2Node     string
-	RollupNode string
+	L1Node             string
+	L2Node             string
+	RollupNode         string
+	MaxChannelDuration uint64
 }
 
 func (o *OpBatcher) Run(service *service, ctx *ExContext) {
+	if o.MaxChannelDuration == 0 {
+		o.MaxChannelDuration = 2
+	}
 	service.
 		WithImage("us-docker.pkg.dev/oplabs-tools-artifacts/images/op-batcher").
 		WithTag("v1.12.0-rc.1").
@@ -47,7 +52,7 @@ func (o *OpBatcher) Run(service *service, ctx *ExContext) {
 			"--l1-eth-rpc", Connect(o.L1Node, "http"),
 			"--l2-eth-rpc", Connect(o.L2Node, "http"),
 			"--rollup-rpc", Connect(o.RollupNode, "http"),
-			"--max-channel-duration=2",
+			"--max-channel-duration="+strconv.FormatUint(o.MaxChannelDuration, 10),
 			"--sub-safety-margin=4",
 			"--poll-interval=1s",
 			"--num-confirmations=1",

internal/recipe_opstack.go

@@ -18,6 +18,10 @@ type OpRecipe struct {
 	// blockTime is the block time to use for the rollup
 	// (default is 2 seconds)
 	blockTime uint64
+
+	// batcherMaxChannelDuration is the maximum channel duration to use for the batcher
+	// (default is 2 seconds)
+	batcherMaxChannelDuration uint64
 }
 
 func (o *OpRecipe) Name() string {
@@ -33,6 +37,7 @@ func (o *OpRecipe) Flags() *flag.FlagSet {
 	flags.StringVar(&o.externalBuilder, "external-builder", "", "External builder URL")
 	flags.Var(&nullableUint64Value{&o.enableLatestFork}, "enable-latest-fork", "Enable latest fork isthmus (nil or empty = disabled, otherwise enabled at specified block)")
 	flags.Uint64Var(&o.blockTime, "block-time", defaultOpBlockTimeSeconds, "Block time to use for the rollup")
+	flags.Uint64Var(&o.batcherMaxChannelDuration, "batcher-max-channel-duration", 2, "Maximum channel duration to use for the batcher")
 	return flags
 }
 
@@ -79,9 +84,10 @@ func (o *OpRecipe) Apply(ctx *ExContext, artifacts *Artifacts) *Manifest {
 		UseDeterministicP2PKey: o.externalBuilder != "",
 	})
 	svcManager.AddService("op-batcher", &OpBatcher{
-		L1Node:     "el",
-		L2Node:     "op-geth",
-		RollupNode: "op-node",
+		L1Node:             "el",
+		L2Node:             "op-geth",
+		RollupNode:         "op-node",
+		MaxChannelDuration: o.batcherMaxChannelDuration,
 	})
 	return svcManager
 }