[fix] BR_G27: if block version < 12, sigQty=1

app/lib/indexer.ts

@@ -867,7 +867,7 @@ export class Indexer {
     mindex.map((ENTRY: MindexEntry) => {
       ENTRY.isBeingRevoked = !!ENTRY.revoked_on;
     });
-
+yarn 
     // BR_G107
     if (HEAD.number > 0) {
       await Promise.all(
@@ -978,23 +978,20 @@ export class Indexer {
     );
 
     // BR_G27
-    await Promise.all(
-      mindex.map(async (ENTRY: MindexEntry) => {
-        if (ENTRY.type == "JOIN" || ENTRY.type == "ACTIVE") {
-          const existing = (
-            await dal.cindexDAL.findByReceiverAndExpiredOn(ENTRY.pub, 0)
-          ).map((value) => value.issuer);
-          const pending = Underscore.filter(
-            cindex,
-            (c: CindexEntry) => c.receiver == ENTRY.pub && c.expired_on == 0
-          ).map((value) => value.issuer);
-          const uniqIssuers = Underscore.uniq(existing.concat(pending));
+    await Promise.all(mindex.map(async (ENTRY: MindexEntry) => {
+      if (ENTRY.type == 'JOIN' || ENTRY.type == 'ACTIVE') {
+        const existing = (await dal.cindexDAL.findByReceiverAndExpiredOn(ENTRY.pub, 0)).map(value => value.issuer)
+        const pending = Underscore.filter(cindex, (c:CindexEntry) => c.receiver == ENTRY.pub && c.expired_on == 0).map(value => value.issuer)
+        const uniqIssuers = Underscore.uniq(existing.concat(pending))
+        if (HEAD.version >= 12) {
           ENTRY.enoughCerts = count(uniqIssuers) >= conf.sigQty;
+        } else {
+          ENTRY.enoughCerts = count(uniqIssuers) >= 1;
+        }
       } else {
         ENTRY.enoughCerts = true;
       }
-      })
-    );
+    }))
 
     // BR_G28
     await Promise.all(