feat(eventindexer): support multiple swap pairs

packages/eventindexer/.l2.env

@@ -8,7 +8,7 @@ MYSQL_MAX_IDLE_CONNS=50
 MYSQL_MAX_OPEN_CONNS=3000
 MYSQL_CONN_MAX_LIFETIME_IN_MS=100000
 PROVER_POOL_ADDRESS=0x7D992599E1B8b4508Ba6E2Ba97893b4C36C23A28
-SWAP_ADDRESS=0x501f63210aE6D7Eeb50DaE74DA5Ae407515ee246
+SWAP_ADDRESSES=0x501f63210aE6D7Eeb50DaE74DA5Ae407515ee246,0x926815A3fb587DDF5e2d2A03ea235630c0A53a16,0x2223D60359736532958DF6a4E9A5e4A5a71729A1
 RPC_URL=wss://ws.test.taiko.xyz
 CORS_ORIGINS=*
 BLOCK_BATCH_SIZE=1000

packages/eventindexer/cli/cli.go

@@ -134,7 +134,7 @@ func Run(
 			RPCClient:           rpcClient,
 			SrcTaikoAddress:     common.HexToAddress(os.Getenv("L1_TAIKO_ADDRESS")),
 			SrcBridgeAddress:    common.HexToAddress(os.Getenv("BRIDGE_ADDRESS")),
-			SrcSwapAddress:      common.HexToAddress(os.Getenv("SWAP_ADDRESS")),
+			SrcSwapAddresses:    stringsToAddresses(strings.Split(os.Getenv("SWAP_ADDRESSES"), ",")),
 			BlockBatchSize:      uint64(blockBatchSize),
 			SubscriptionBackoff: subscriptionBackoff,
 		})
@@ -158,6 +158,18 @@ func Run(
 	<-forever
 }
 
+func stringsToAddresses(s []string) []common.Address {
+	a := []common.Address{}
+
+	for _, v := range s {
+		if v != "" {
+			a = append(a, common.HexToAddress(v))
+		}
+	}
+
+	return a
+}
+
 func openDBConnection(opts eventindexer.DBConnectionOpts) (eventindexer.DB, error) {
 	dsn := ""
 	if opts.Password == "" {

packages/eventindexer/indexer/filter.go

@@ -70,16 +70,18 @@ func L2FilterFunc(
 	svc *Service,
 	filterOpts *bind.FilterOpts,
 ) error {
-	swaps, err := svc.swap.FilterSwap(filterOpts, nil, nil)
-	if err != nil {
-		return errors.Wrap(err, "svc.bridge.FilterSwap")
-	}
+	for _, s := range svc.swaps {
+		swaps, err := s.FilterSwap(filterOpts, nil, nil)
+		if err != nil {
+			return errors.Wrap(err, "svc.bridge.FilterSwap")
+		}
 
-	// only save ones above 0.01 ETH, this is only for Galaxe
-	// and we dont care about the rest
-	err = svc.saveSwapEvents(ctx, chainID, swaps)
-	if err != nil {
-		return errors.Wrap(err, "svc.saveSwapEvents")
+		// only save ones above 0.01 ETH, this is only for Galaxe
+		// and we dont care about the rest
+		err = svc.saveSwapEvents(ctx, chainID, swaps)
+		if err != nil {
+			return errors.Wrap(err, "svc.saveSwapEvents")
+		}
 	}
 
 	return nil

packages/eventindexer/indexer/save_message_sent_event.go

@@ -5,12 +5,18 @@ import (
 	"encoding/json"
 	"math/big"
 
+	"github.com/ethereum/go-ethereum/common"
 	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 	"github.com/taikoxyz/taiko-mono/packages/eventindexer"
 	"github.com/taikoxyz/taiko-mono/packages/eventindexer/contracts/bridge"
 )
 
+var (
+	minEthAmount = new(big.Int).SetUint64(150000000000000000)
+	zeroHash     = common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000")
+)
+
 func (svc *Service) saveMessageSentEvents(
 	ctx context.Context,
 	chainID *big.Int,
@@ -43,6 +49,22 @@ func (svc *Service) saveMessageSentEvent(
 	chainID *big.Int,
 	event *bridge.BridgeMessageSent,
 ) error {
+	// only save eth transfers
+	if event.Message.Data != nil && common.BytesToHash(event.Message.Data) != zeroHash {
+		log.Info("skipping message sent event, is not eth transfer")
+		return nil
+	}
+
+	// amount must be >= 0.15 eth
+	if event.Message.DepositValue.Cmp(minEthAmount) < 0 {
+		log.Infof("skipping message sent event, value: %v, requiredValue: %v",
+			event.Message.DepositValue.String(),
+			minEthAmount.String(),
+		)
+
+		return nil
+	}
+
 	marshaled, err := json.Marshal(event)
 	if err != nil {
 		return errors.Wrap(err, "json.Marshal(event)")

packages/eventindexer/indexer/service.go

@@ -30,7 +30,7 @@ type Service struct {
 
 	taikol1 *taikol1.TaikoL1
 	bridge  *bridge.Bridge
-	swap    *swap.Swap
+	swaps   []*swap.Swap
 }
 
 type NewServiceOpts struct {
@@ -41,7 +41,7 @@ type NewServiceOpts struct {
 	RPCClient           *rpc.Client
 	SrcTaikoAddress     common.Address
 	SrcBridgeAddress    common.Address
-	SrcSwapAddress      common.Address
+	SrcSwapAddresses    []common.Address
 	BlockBatchSize      uint64
 	SubscriptionBackoff time.Duration
 }
@@ -79,12 +79,16 @@ func NewService(opts NewServiceOpts) (*Service, error) {
 		}
 	}
 
-	var swapContract *swap.Swap
+	var swapContracts []*swap.Swap
 
-	if opts.SrcSwapAddress.Hex() != ZeroAddress.Hex() {
-		swapContract, err = swap.NewSwap(opts.SrcSwapAddress, opts.EthClient)
-		if err != nil {
-			return nil, errors.Wrap(err, "contracts.NewBridge")
+	if opts.SrcSwapAddresses != nil && len(opts.SrcSwapAddresses) > 0 {
+		for _, v := range opts.SrcSwapAddresses {
+			swapContract, err := swap.NewSwap(v, opts.EthClient)
+			if err != nil {
+				return nil, errors.Wrap(err, "contracts.NewBridge")
+			}
+
+			swapContracts = append(swapContracts, swapContract)
 		}
 	}
 
@@ -95,7 +99,7 @@ func NewService(opts NewServiceOpts) (*Service, error) {
 		ethClient: opts.EthClient,
 		taikol1:   taikoL1,
 		bridge:    bridgeContract,
-		swap:      swapContract,
+		swaps:     swapContracts,
 
 		blockBatchSize:      opts.BlockBatchSize,
 		subscriptionBackoff: opts.SubscriptionBackoff,

packages/eventindexer/indexer/subscribe.go

@@ -30,8 +30,10 @@ func (svc *Service) subscribe(ctx context.Context, chainID *big.Int) error {
 		go svc.subscribeMessageSent(ctx, chainID, errChan)
 	}
 
-	if svc.swap != nil {
-		go svc.subscribeSwap(ctx, chainID, errChan)
+	if svc.swaps != nil {
+		for _, swap := range svc.swaps {
+			go svc.subscribeSwap(ctx, swap, chainID, errChan)
+		}
 	}
 
 	// nolint: gosimple
@@ -306,16 +308,16 @@ func (svc *Service) subscribeMessageSent(ctx context.Context, chainID *big.Int,
 	}
 }
 
-func (svc *Service) subscribeSwap(ctx context.Context, chainID *big.Int, errChan chan error) {
+func (svc *Service) subscribeSwap(ctx context.Context, s *swap.Swap, chainID *big.Int, errChan chan error) {
 	sink := make(chan *swap.SwapSwap)
 
 	sub := event.ResubscribeErr(svc.subscriptionBackoff, func(ctx context.Context, err error) (event.Subscription, error) {
 		if err != nil {
-			log.Errorf("svc.swap.WatchSwap: %v", err)
+			log.Errorf("s.WatchSwap: %v", err)
 		}
 		log.Info("resubscribing to Swap events")
 
-		return svc.swap.WatchSwap(&bind.WatchOpts{
+		return s.WatchSwap(&bind.WatchOpts{
 			Context: ctx,
 		}, sink, nil, nil)
 	})