[FAB-9850] Remove identity from channel cfg cache key

Channel configurations retrieved by different identities
are the same so there is no need to create a new cache
value if identity changes.

Change-Id: Ie731217b28aed6e9d4b87d2418f24ee3b71b536f
Signed-off-by: Divyank Katira <Divyank.Katira@securekey.com>

Author: d1vyank

pkg/fab/chconfig/cache.go

@@ -7,7 +7,6 @@ SPDX-License-Identifier: Apache-2.0
 package chconfig
 
 import (
-	"crypto/sha256"
 	"time"
 
 	"github.com/hyperledger/fabric-sdk-go/pkg/common/providers/fab"
@@ -37,20 +36,8 @@ type cacheKey struct {
 
 // NewCacheKey returns a new CacheKey
 func NewCacheKey(ctx fab.ClientContext, pvdr Provider, channelID string) (CacheKey, error) {
-	identity, err := ctx.Serialize()
-	if err != nil {
-		return nil, err
-	}
-
-	h := sha256.New()
-	_, err = h.Write(identity)
-	if err != nil {
-		return nil, err
-	}
-	hash := h.Sum([]byte(channelID))
-
 	return &cacheKey{
-		key:       string(hash),
+		key:       channelID,
 		channelID: channelID,
 		context:   ctx,
 		pvdr:      pvdr,

pkg/fab/chconfig/chconfig_test.go

@@ -127,7 +127,7 @@ func TestChannelConfigWithOrdererError(t *testing.T) {
 		t.Fatalf("Failed to create new channel client: %s", err)
 	}
 
-	reqCtx, cancel := contextImpl.NewRequest(ctx, contextImpl.WithTimeout(10*time.Second))
+	reqCtx, cancel := contextImpl.NewRequest(ctx, contextImpl.WithTimeout(1*time.Second))
 	defer cancel()
 
 	// Expecting error since orderer is not setup

pkg/fab/endpointconfig.go

@@ -50,7 +50,7 @@ const (
 	defaultDiscoveryResponseTimeout       = time.Second * 15
 	defaultConnIdleInterval               = time.Second * 30
 	defaultEventServiceIdleInterval       = time.Minute * 2
-	defaultChannelConfigRefreshInterval   = time.Minute * 90
+	defaultChannelConfigRefreshInterval   = time.Second * 90
 	defaultChannelMemshpRefreshInterval   = time.Second * 60
 	defaultDiscoveryRefreshInterval       = time.Second * 10