[fix] #849 GTest currency has buggy protocol implementation

app/lib/dal/fileDAL.js

@@ -103,6 +103,11 @@ function FileDAL(params) {
     return block || null;
   });
 
+  this.getBlockBuggy = (number) => co(function*() {
+    const block = yield that.blockDAL.getBlock(Math.max(0, number - 1)); // This is the bug: we look at previous block
+    return block || null;
+  });
+
   this.getAbsoluteBlockByNumberAndHash = (number, hash) =>
       that.blockDAL.getAbsoluteBlock(number, hash);
 
@@ -122,6 +127,10 @@ function FileDAL(params) {
     return that.getBlockByNumberAndHash(number, hash);
   };
 
+  this.getBlockByBlockstampBuggy = (blockstamp) => {
+    return that.getBlockBuggy(parseInt(blockstamp));
+  };
+
   this.getBlockByNumberAndHash = (number, hash) => co(function*() {
     try {
       const block = yield that.getBlock(number);

app/lib/dup/indexer.js

@@ -1444,9 +1444,13 @@ const indexer = module.exports = {
         let basedBlock = { medianTime: 0 };
         if (HEAD.number == 0) {
           basedBlock = HEAD;
+        } else {
+          if (HEAD.currency === 'gtest') {
+            basedBlock = yield dal.getBlockByBlockstampBuggy(MS.created_on); // TODO: fix for v1.0.0
           } else {
             basedBlock = yield dal.getBlockByBlockstamp(MS.created_on);
           }
+        }
         MS.expires_on += basedBlock.medianTime;
         MS.revokes_on += basedBlock.medianTime;
       }
@@ -1459,9 +1463,13 @@ const indexer = module.exports = {
       let basedBlock = { medianTime: 0 };
       if (HEAD.number == 0) {
         basedBlock = HEAD;
+      } else {
+        if (HEAD.currency === 'gtest') {
+          basedBlock = yield dal.getBlockBuggy(CERT.created_on); // TODO: fix for v1.0.0
         } else {
           basedBlock = yield dal.getBlock(CERT.created_on);
         }
+      }
       CERT.expires_on += basedBlock.medianTime;
     }
   }),

package.json

@@ -44,7 +44,7 @@
     "daemonize2": "0.4.2",
     "duniter-bma": "^0.2.11",
     "duniter-common": "0.1.0",
-    "duniter-crawler": "^0.2.9",
+    "duniter-crawler": "^0.2.10",
     "duniter-keypair": "^0.3.0",
     "duniter-prover": "^0.2.6",
     "event-stream": "3.3.4",