bitcoind: added getspentinfo method

lib/services/bitcoind.js

@@ -60,12 +60,11 @@ Bitcoin.prototype._initCaches = function() {
   this.txidsCache = LRU(50000);
   this.balanceCache = LRU(50000);
   this.summaryCache = LRU(50000);
+  this.transactionInfoCache = LRU(100000);
 
   // caches valid indefinitely
   this.transactionCache = LRU(100000);
   this.rawTransactionCache = LRU(50000);
-  this.transactionInfoCache = LRU(100000);
-  this.transactionInfoCacheConfirmations = 6;
   this.blockCache = LRU(144);
   this.rawBlockCache = LRU(72);
   this.blockHeaderCache = LRU(288);
@@ -100,6 +99,7 @@ Bitcoin.prototype.getAPIMethods = function() {
     ['getBlockHeader', this, this.getBlockHeader, 1],
     ['getBlockHashesByTimestamp', this, this.getBlockHashesByTimestamp, 2],
     ['getBestBlockHash', this, this.getBestBlockHash, 0],
+    ['getSpentInfo', this, this.getSpentInfo, 1],
     ['getInfo', this, this.getInfo, 0],
     ['syncPercentage', this, this.syncPercentage, 0],
     ['isSynced', this, this.isSynced, 0],
@@ -230,6 +230,7 @@ Bitcoin.prototype._loadSpawnConfiguration = function(node) {
 };
 
 Bitcoin.prototype._resetCaches = function() {
+  this.transactionInfoCache.reset();
   this.utxosCache.reset();
   this.txidsCache.reset();
   this.balanceCache.reset();
@@ -1281,10 +1282,12 @@ Bitcoin.prototype.getTransactionWithBlockInfo = function(txid, callback) {
         tx.__blockHash = response.result.blockhash;
         tx.__height = response.result.height ? response.result.height : -1;
         tx.__timestamp = response.result.time;
-        var confirmations = self._getConfirmationsDetail(tx);
+
-        if (confirmations >= self.transactionInfoCacheConfirmations) {
+        for (var i = 0; i < response.result.vout.length; i++) {
-          self.transactionInfoCache.set(txid, tx);
+          tx.outputs[i].__spentTxId = response.result.vout[i].spentTxId;
+          tx.outputs[i].__spentIndex = response.result.vout[i].spentIndex;
         }
+        self.transactionInfoCache.set(txid, tx);
         done(null, tx);
       });
     }, callback);
@@ -1305,9 +1308,20 @@ Bitcoin.prototype.getBestBlockHash = function(callback) {
   });
 };
 
-Bitcoin.prototype.getInputForOutput = function(txid, index, options, callback) {
+/**
-  // TODO
+ * Will give the txid and inputIndex that spent an output
-  setImmediate(callback);
+ * @param {Function} callback
+ */
+Bitcoin.prototype.getSpentInfo = function(options, callback) {
+  var self = this;
+  this.client.getSpentInfo(options, function(err, response) {
+    if (err && err.code === -5) {
+      return callback(null, {});
+    } else if (err) {
+      return callback(self._wrapRPCError(err));
+    }
+    callback(null, response.result);
+  });
 };
 
 /**

lib/transaction.js

@@ -9,6 +9,30 @@ var errors = index.errors;
 
 var MAX_TRANSACTION_LIMIT = 5;
 
+Transaction.prototype.populateSpentInfo = function(db, options, callback) {
+  var self = this;
+  var txid = self.hash;
+
+  async.eachLimit(
+    Object.keys(self.outputs),
+    db.maxTransactionlimit || MAX_TRANSACTION_LIMIT,
+    function(outputIndex, next) {
+      db.getSpentInfo({
+        txid: txid,
+        index: parseInt(outputIndex)
+      }, function(err, info) {
+        if (err) {
+          return next(err);
+        }
+        self.outputs[outputIndex].__spentTxId = info.txid;
+        self.outputs[outputIndex].__spentIndex = info.index;
+        next();
+      });
+    },
+    callback
+  );
+};
+
 Transaction.prototype.populateInputs = function(db, poolTransactions, callback) {
   var self = this;
 

package.json

@@ -40,7 +40,7 @@
   ],
   "dependencies": {
     "async": "^1.3.0",
-    "bitcoind-rpc": "braydonf/bitcoind-rpc#8d27a545f4e7de5a8faca5de6bdbb1a6c1e41f5c",
+    "bitcoind-rpc": "braydonf/bitcoind-rpc#4850733b9806bc5e8e1508fa90f3c45782e6ee80",
     "bitcore-lib": "^0.13.13",
     "body-parser": "^1.13.3",
     "colors": "^1.1.2",