From e59fe9bf6dc4060ffd512af9c48d9bbe0d779fb1 Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Wed, 10 Aug 2016 19:47:52 -0700
Subject: [PATCH] rpc: prioritisetransaction.

---
 lib/bcoin/http/rpc.js | 52 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 51 insertions(+), 1 deletion(-)

diff --git a/lib/bcoin/http/rpc.js b/lib/bcoin/http/rpc.js
index a1325e68..eee09b8f 100644
--- a/lib/bcoin/http/rpc.js
+++ b/lib/bcoin/http/rpc.js
@@ -1550,7 +1550,57 @@ RPC.prototype.getnetworkhashps = function getnetworkhashps(args, callback) {
 };
 
 RPC.prototype.prioritisetransaction = function prioritisetransaction(args, callback) {
-  callback(new RPCError('Not implemented.'));
+  var self = this;
+  var hash, pri, fee;
+
+  if (args.help || args.length !== 3) {
+    return callback(new RPCError('prioritisetransaction'
+      + ' <txid> <priority delta> <fee delta>'));
+  }
+
+  hash = args[0];
+  pri = args[1];
+  fee = args[2];
+
+  if (!utils.isHex(hash) || hash.length !== 64)
+    return callback(new RPCError('Invalid parameter'));
+
+  if (!utils.isNumber(pri) || !utils.isNumber(fee))
+    return callback(new RPCError('Invalid parameter'));
+
+  hash = utils.revHex(hash);
+
+  this.mempool.getEntry(hash, function(err, entry) {
+    if (err)
+      return callback(err);
+
+    if (!entry)
+      return callback(new RPCError('Transaction not in mempool.'));
+
+    entry.priority += pri;
+    entry.fees += fee;
+
+    if (entry.priority < 0)
+      entry.priority = 0;
+
+    if (entry.fees < 0)
+      entry.fees = 0;
+
+    this.mempool.fillAllCoins(entry.tx, function(err) {
+      if (err)
+        return callback(err);
+
+      if (!entry.tx.hasCoins())
+        return callback(new RPCError('Transaction not in mempool.'));
+
+      self.mempool.addUnchecked(entry, function(err) {
+        if (err)
+          return callback(err);
+
+        callback(null, true);
+      });
+    });
+  });
 };
 
 RPC.prototype.submitblock = function submitblock(args, callback) {