[r33] execution/stagedsync: port --experimental.always-generate-changesets flag for gas repricing benchmarks (#18733)

cherry-pick of #18599 to
release/3.3 (needed by Kamil)

Author: taratorio

cmd/utils/flags.go

@@ -1099,7 +1099,10 @@ var (
 		Usage:   "Enables blazing fast eth_getProof for executed block",
 		Aliases: []string{"experimental.commitment-history", "prune.experimental.include-commitment-history"},
 	}
-
+	AlwaysGenerateChangesetsFlag = cli.BoolFlag{
+		Name:  "experimental.always-generate-changesets",
+		Usage: "Allows to override changesets generation logic",
+	}
 	// ErigonDB geometry settings
 	ErigonDBStepSizeFlag = cli.Uint64Flag{
 		Name:  "erigondb.override.stepsize",
@@ -1831,7 +1834,9 @@ func SetEthConfig(ctx *cli.Context, nodeConfig *nodecfg.Config, cfg *ethconfig.C
 		cfg.KeepExecutionProofs = true
 		statecfg.EnableHistoricalCommitment()
 	}
-
+	if ctx.IsSet(AlwaysGenerateChangesetsFlag.Name) {
+		cfg.AlwaysGenerateChangesets = ctx.Bool(AlwaysGenerateChangesetsFlag.Name)
+	}
 	cfg.CaplinConfig.EnableUPnP = ctx.Bool(CaplinEnableUPNPlag.Name)
 	var err error
 	cfg.CaplinConfig.MaxInboundTrafficPerPeer, err = datasize.ParseString(ctx.String(CaplinMaxInboundTrafficPerPeerFlag.Name))

node/cli/default_flags.go

@@ -89,7 +89,7 @@ var DefaultFlags = []cli.Flag{
 	&utils.RPCGlobalTxFeeCapFlag,
 	&utils.TxpoolApiAddrFlag,
 	&utils.TraceMaxtracesFlag,
-
+	&utils.AlwaysGenerateChangesetsFlag,
 	&HTTPReadTimeoutFlag,
 	&HTTPWriteTimeoutFlag,
 	&HTTPIdleTimeoutFlag,