populate l1chainID with l2chainID

aggoracle/config.go

@@ -21,5 +21,11 @@ type Config struct {
 	// BlockFinality indicates the status of the blocks that will be queried in order to sync
 	BlockFinality     string                   `jsonschema:"enum=LatestBlock, enum=SafeBlock, enum=PendingBlock, enum=FinalizedBlock, enum=EarliestBlock" mapstructure:"BlockFinality"` //nolint:lll
 	WaitPeriodNextGER types.Duration           `mapstructure:"WaitPeriodNextGER"`
+	L2ChainID         uint64                   `mapstructure:"L2ChainID"`
 	EVMSender         chaingersender.EVMConfig `mapstructure:"EVMSender"`
 }
+
+// ApplyL2ChainID copies L2ChainID to the L1ChainID in the Etherman config
+func (c *Config) ApplyL2ChainID(l2ChainID uint64) {
+	c.EVMSender.EthTxManager.Etherman.L1ChainID = l2ChainID
+}

cmd/run.go

@@ -332,6 +332,16 @@ func createAggoracle(
 	syncer *l1infotreesync.L1InfoTreeSync,
 ) *aggoracle.AggOracle {
 	logger := log.WithFields("module", cdkcommon.AGGORACLE)
+	ethermanClient, err := etherman.NewClient(cfg.Etherman, cfg.NetworkConfig.L1Config, cfg.Common)
+	if err != nil {
+		logger.Fatal(err)
+	}
+	l2ChainID, err := ethermanClient.GetL2ChainID()
+	if err != nil {
+		logger.Fatal(err)
+	}
+	cfg.AggOracle.ApplyL2ChainID(l2ChainID)
+
 	var sender aggoracle.ChainSender
 	switch cfg.AggOracle.TargetChainType {
 	case aggoracle.EVMChain:

config/default.go

@@ -222,6 +222,8 @@ TargetChainType="EVM"
 URLRPCL1="{{L1URL}}"
 BlockFinality="FinalizedBlock"
 WaitPeriodNextGER="100ms"
+# L2ChainID is populated on runtime
+L2ChainID=0
 	[AggOracle.EVMSender]
 		GlobalExitRootL2="{{L2Config.GlobalExitRootAddr}}"
 		URLRPCL2="{{L2URL}}"
@@ -246,7 +248,6 @@ WaitPeriodNextGER="100ms"
 					[AggOracle.EVMSender.EthTxManager.Etherman]
 						URL = "{{L2URL}}"
 						MultiGasProvider = false
-						L1ChainID = {{NetworkConfig.L1.L1ChainID}}
 						HTTPHeaders = []
 
 [RPC]