Fix bug serializing outpoint

Author: cpacia

market/network.py

@@ -13,8 +13,9 @@
 import os.path
 import pickle
 import time
+import struct
 from binascii import unhexlify
-from bitcoin.core import COutPoint, lx
+from bitcoin.core import b2lx
 from collections import OrderedDict
 from config import DATA_FOLDER, TRANSACTION_FEE
 from dht.node import Node
@@ -990,7 +991,8 @@ def release_funds(self, order_id):
         for s in contract["dispute_resolution"]["resolution"]["tx_signatures"]:
             if "outpoint" in s:
                 for outpoint in outpoints:
-                    if COutPoint(lx(outpoint["txid"]), outpoint["vout"]).encode("hex") == s["outpoint"]:
+                    ser = outpoint["txid"] + b2lx(struct.pack(b"<I", outpoint["vout"]))
+                    if ser == s["outpoint"]:
                         o.append(outpoint)
         if len(o) != 0:
             outpoints = o

market/transactions.py

@@ -98,7 +98,7 @@ def create_signature(self, privkey, reedem_script):
             signatures.append({
                 "index": i,
                 "signature": (seckey.sign(sighash) + struct.pack('<B', SIGHASH_ALL)).encode("hex"),
-                "outpoint": self.tx.vin[i].prevout.encode("hex")
+                "outpoint": b2lx(self.tx.vin[i].prevout.hash) + b2lx(struct.pack(b"<I", self.tx.vin[i].prevout.n))
             })
         return signatures