Type fix for contract parsing.

refs #324

frontend/src/app/components/address-labels/address-labels.component.ts

@@ -46,12 +46,11 @@ export class AddressLabelsComponent implements OnInit {
       }
 
       [
-        [/^OP_DUP OP_HASH160/, 'HTLC'],
-        [/^OP_IF OP_PUSHBYTES_33 \w{33} OP_ELSE OP_PUSHBYTES_2 \w{2} OP_CSV OP_DROP/, 'Force Close']
-      ].forEach(
-        ([re, label]) => {
-          if (re.test(this.vin.inner_witnessscript_asm)) {
-            this.lightning = label;
+        {regexp: /^OP_DUP OP_HASH160/, label: 'HTLC'},
+        {regexp: /^OP_IF OP_PUSHBYTES_33 \w{33} OP_ELSE OP_PUSHBYTES_2 \w{2} OP_CSV OP_DROP/, label: 'Force Close'}
+      ].forEach((item) => {
+          if (item.regexp.test(this.vin.inner_witnessscript_asm)) {
+            this.lightning = item.label;
             return;
           }
         }