support EURC

Makefile

@@ -1,6 +1,6 @@
 include version.mk
 
-DOCKER_COMPOSE := docker-compose -f docker-compose.yml
+DOCKER_COMPOSE := docker compose -f docker-compose.yml
 DOCKER_COMPOSE_STATE_DB := zkevm-state-db
 DOCKER_COMPOSE_POOL_DB := zkevm-pool-db
 DOCKER_COMPOSE_RPC_DB := zkevm-rpc-db

cmd/run_xlayer.go

@@ -93,6 +93,7 @@ func startServer(ctx *cli.Context, opts ...runOptionFunc) error {
 
 	messagebridge.InitUSDCLxLyProcessor(c.BusinessConfig.USDCContractAddresses, c.BusinessConfig.USDCTokenAddresses)
 	messagebridge.InitWstETHProcessor(c.BusinessConfig.WstETHContractAddresses, c.BusinessConfig.WstETHTokenAddresses)
+	messagebridge.InitEURCProcessor(c.BusinessConfig.EURCContractAddresses, c.BusinessConfig.EURCTokenAddresses)
 
 	l1ChainId := c.Etherman.L1ChainId
 	l2ChainIds := c.Etherman.L2ChainIds

config/businessconfig/config.go

@@ -12,4 +12,6 @@ type Config struct {
 	USDCTokenAddresses      []common.Address `mapstructure:"USDCTokenAddresses"`
 	WstETHContractAddresses []common.Address `mapstructure:"WstETHContractAddresses"`
 	WstETHTokenAddresses    []common.Address `mapstructure:"WstETHTokenAddresses"`
+	EURCContractAddresses   []common.Address `mapstructure:"EURCContractAddresses"`
+	EURCTokenAddresses      []common.Address `mapstructure:"EURCTokenAddresses"`
 }

utils/messagebridge/eurc.go

@@ -0,0 +1,39 @@
+package messagebridge
+
+import (
+	"math/big"
+
+	"github.com/0xPolygonHermez/zkevm-bridge-service/log"
+	"github.com/ethereum/go-ethereum/common"
+)
+
+func InitEURCProcessor(eurcContractAddresses, eurcTokenAddresses []common.Address) {
+	log.Debugf("EURCMapping: contracts[%v] tokens[%v]", eurcContractAddresses, eurcTokenAddresses)
+	if len(eurcContractAddresses) != len(eurcTokenAddresses) {
+		log.Errorf("InitEURCProcessor: contract addresses (%v) and token addresses (%v) have different length", len(eurcContractAddresses), len(eurcTokenAddresses))
+	}
+
+	contractToTokenMapping := make(map[common.Address]common.Address)
+	l := min(len(eurcContractAddresses), len(eurcTokenAddresses))
+	for i := 0; i < l; i++ {
+		if eurcTokenAddresses[i] == emptyAddress {
+			continue
+		}
+		contractToTokenMapping[eurcContractAddresses[i]] = eurcTokenAddresses[i]
+	}
+
+	if len(contractToTokenMapping) > 0 {
+		processorMap[EURC] = &Processor{
+			contractToTokenMapping: contractToTokenMapping,
+			contractAddressList:    eurcContractAddresses,
+			tokenAddressList:       eurcTokenAddresses,
+			DecodeMetadataFn: func(metadata []byte) (common.Address, *big.Int) {
+				// Metadata structure:
+				// - Destination address: 32 bytes
+				// - Bridging amount: 32 bytes
+				// Maybe there's a more elegant way?
+				return common.BytesToAddress(metadata[:32]), new(big.Int).SetBytes(metadata[32:]) //nolint:gomnd
+			},
+		}
+	}
+}

utils/messagebridge/processor.go

@@ -13,6 +13,7 @@ type ProcessorType int
 const (
 	USDC ProcessorType = iota
 	WstETH
+	EURC
 )
 
 var (