diff --git a/core/transaction/entity.go b/core/transaction/entity.go
index d438d9fa6..16d5a8835 100644
--- a/core/transaction/entity.go
+++ b/core/transaction/entity.go
@@ -168,6 +168,8 @@ const (
 	ZCNSC_AUTHORIZER_HEALTH_CHECK  = "authorizer-health-check"
 	ZCNSC_DELETE_AUTHORIZER        = "delete-authorizer"
 	ZCNSC_COLLECT_REWARD 	       = "collect-rewards"
+	ZCNSC_LOCK					   = "add-to-delegate-pool"
+	ZCNSC_UNLOCK				   = "delete-from-delegate-pool"
 
 	ESTIMATE_TRANSACTION_COST = `/v1/estimate_txn_fee`
 	FEES_TABLE                = `/v1/fees_table`
diff --git a/zboxcore/sdk/sdk.go b/zboxcore/sdk/sdk.go
index 2fc200919..f8a4a87fc 100644
--- a/zboxcore/sdk/sdk.go
+++ b/zboxcore/sdk/sdk.go
@@ -392,6 +392,9 @@ func StakePoolLock(providerType ProviderType, providerID string, value, fee uint
 	case ProviderMiner, ProviderSharder:
 		scAddress = MINERSC_SCADDRESS
 		sn.Name = transaction.MINERSC_LOCK
+	case ProviderAuthorizer:
+		scAddress = ZCNSC_SCADDRESS
+		sn.Name = transaction.ZCNSC_LOCK
 	default:
 		return "", 0, errors.Newf("stake_pool_lock", "unsupported provider type: %v", providerType)
 	}
@@ -445,6 +448,9 @@ func StakePoolUnlock(providerType ProviderType, providerID string, fee uint64) (
 	case ProviderMiner, ProviderSharder:
 		scAddress = MINERSC_SCADDRESS
 		sn.Name = transaction.MINERSC_UNLOCK
+	case ProviderAuthorizer:
+		scAddress = ZCNSC_SCADDRESS
+		sn.Name = transaction.ZCNSC_UNLOCK
 	default:
 		return 0, 0, errors.Newf("stake_pool_unlock", "unsupported provider type: %v", providerType)
 	}