From 981722cb1bfbb8d8d7f9bbe8a4e630c972048d9e Mon Sep 17 00:00:00 2001
From: Daniel Wasserman <wassermandaniel8@gmail.com>
Date: Mon, 18 Nov 2024 14:45:12 -0600
Subject: [PATCH] Feat: add checkRoleParallel()

---
 services/rfq/api/rest/server.go | 36 ++++++++++++++++++++++++++++-----
 1 file changed, 31 insertions(+), 5 deletions(-)

diff --git a/services/rfq/api/rest/server.go b/services/rfq/api/rest/server.go
index af2ab4da5b..8bc3136b11 100644
--- a/services/rfq/api/rest/server.go
+++ b/services/rfq/api/rest/server.go
@@ -19,6 +19,7 @@ import (
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/metric"
 	"go.opentelemetry.io/otel/trace"
+	"golang.org/x/sync/errgroup"
 
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/common"
@@ -275,7 +276,6 @@ func (r *QuoterAPIServer) Run(ctx context.Context) error {
 func (r *QuoterAPIServer) AuthMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
 		var loggedRequest interface{}
-		var useV1 bool
 		var err error
 		destChainIDs := []uint32{}
 
@@ -288,7 +288,6 @@ func (r *QuoterAPIServer) AuthMiddleware() gin.HandlerFunc {
 				destChainIDs = append(destChainIDs, uint32(req.DestChainID))
 				loggedRequest = &req
 			}
-			useV1 = true
 		case BulkQuotesRoute:
 			var req model.PutBulkQuotesRequest
 			err = c.BindJSON(&req)
@@ -298,7 +297,6 @@ func (r *QuoterAPIServer) AuthMiddleware() gin.HandlerFunc {
 				}
 				loggedRequest = &req
 			}
-			useV1 = true
 		case AckRoute:
 			var req model.PutAckRequest
 			err = c.BindJSON(&req)
@@ -306,7 +304,6 @@ func (r *QuoterAPIServer) AuthMiddleware() gin.HandlerFunc {
 				destChainIDs = append(destChainIDs, uint32(req.DestChainID))
 				loggedRequest = &req
 			}
-			useV1 = true
 		case RFQRoute, RFQStreamRoute:
 			chainsHeader := c.GetHeader(ChainsHeader)
 			if chainsHeader != "" {
@@ -330,7 +327,7 @@ func (r *QuoterAPIServer) AuthMiddleware() gin.HandlerFunc {
 		// Authenticate and fetch the address from the request
 		var addressRecovered *common.Address
 		for _, destChainID := range destChainIDs {
-			addr, err := r.checkRole(c, destChainID, useV1)
+			addr, err := r.checkRoleParallel(c, destChainID)
 			if err != nil {
 				c.JSON(http.StatusBadRequest, gin.H{"msg": err.Error()})
 				c.Abort()
@@ -357,6 +354,35 @@ type roleContract interface {
 	HasRole(opts *bind.CallOpts, role [32]byte, account common.Address) (bool, error)
 }
 
+func (r *QuoterAPIServer) checkRoleParallel(c *gin.Context, destChainID uint32) (addressRecovered common.Address, err error) {
+	g := new(errgroup.Group)
+	var v1Addr, v2Addr common.Address
+	var v1Err, v2Err error
+
+	g.Go(func() error {
+		v1Addr, v1Err = r.checkRole(c, destChainID, true)
+		return v1Err
+	})
+
+	g.Go(func() error {
+		v2Addr, v2Err = r.checkRole(c, destChainID, false)
+		return v2Err
+	})
+
+	err = g.Wait()
+	if v1Addr != (common.Address{}) {
+		return v1Addr, nil
+	}
+	if v2Addr != (common.Address{}) {
+		return v2Addr, nil
+	}
+	if err != nil {
+		return common.Address{}, fmt.Errorf("role check failed: %w", err)
+	}
+
+	return common.Address{}, fmt.Errorf("role check failed for both v1 and v2")
+}
+
 func (r *QuoterAPIServer) checkRole(c *gin.Context, destChainID uint32, useV1 bool) (addressRecovered common.Address, err error) {
 	var bridge roleContract
 	var roleCache *ttlcache.Cache[string, bool]