[API] Fix issue in VAA search filters (#211)

### Summary

Searching for VAAs with the `txHash` and the `parsedPayload` parameters simultaneously wasn't working correctly. This commit fixes the problem.

Tracking issue: https://github.com/wormhole-foundation/wormhole-explorer/issues/210

api/handlers/vaa/repository.go

@@ -147,6 +147,13 @@ func (r *Repository) FindVaasWithPayload(
 			})
 		}
 
+		// filter by txHash
+		if q.txHash != "" {
+			pipeline = append(pipeline, bson.D{
+				{"$match", bson.D{bson.E{"txHash", q.txHash}}},
+			})
+		}
+
 		// left outer join on the `parsedVaa` collection
 		pipeline = append(pipeline, bson.D{
 			{"$lookup", bson.D{

common/domain/const.go

@@ -7,3 +7,4 @@ const (
 	P2pDevNet  = "devnet"
 )
 
+const AppIdPortalTokenBridge = "PORTAL_TOKEN_BRIDGE"

parser/processor/processor.go

@@ -4,13 +4,13 @@ import (
 	"context"
 
 	"github.com/mitchellh/mapstructure"
+	"github.com/wormhole-foundation/wormhole-explorer/common/domain"
 	"github.com/wormhole-foundation/wormhole-explorer/parser/metrics"
 	"github.com/wormhole-foundation/wormhole-explorer/parser/parser"
 	"go.uber.org/zap"
 )
 
 const (
-	portalTokenBridgeAppID         = "PORTAL_TOKEN_BRIDGE"
 	transferPayloadType            = 1
 	attestMetaPayloadType          = 2
 	transferWithPayloadPayloadType = 3
@@ -48,7 +48,7 @@ func (p *Processor) Process(ctx context.Context, vaaParsed *parser.ParsedVaaUpda
 
 	p.logger.Info("Vaa save in repository", zap.String("id", vaaParsed.ID))
 
-	if vaaParsed.AppID == portalTokenBridgeAppID {
+	if vaaParsed.AppID == domain.AppIdPortalTokenBridge {
 		input, ok := vaaParsed.Result.(map[string]interface{})
 		if ok {
 			var result portalTokenBridgePayload

tx-tracker/consumer/consumer.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/wormhole-foundation/wormhole-explorer/common/domain"
 	"github.com/wormhole-foundation/wormhole-explorer/parser/parser"
 
 	"github.com/wormhole-foundation/wormhole-explorer/txtracker/chains"
@@ -35,8 +36,6 @@ const (
 	retryDelay = 10 * time.Second
 )
 
-const AppIdPortalTokenBridge = "PORTAL_TOKEN_BRIDGE"
-
 // Consumer consumer struct definition.
 type Consumer struct {
 	consumeFunc                queue.VAAConsumeFunc
@@ -118,7 +117,7 @@ func (c *Consumer) Start(ctx context.Context) {
 			}
 
 			// Skip messages that have not been generated by the portal token bridge
-			if parsedPayload.AppID != AppIdPortalTokenBridge {
+			if parsedPayload.AppID != domain.AppIdPortalTokenBridge {
 				c.logger.Debug("Skipping VAA because it was not generated by the portal token bridge",
 					zap.String("vaaId", event.ID),
 				)