From 5c7bf3cce9ba5735f413517a27d845e2459d531e Mon Sep 17 00:00:00 2001
From: Neil Booth <kyuupichan@gmail.com>
Date: Sat, 14 Oct 2017 12:20:14 +0900
Subject: [PATCH] Try and fix Viacoin

---
 lib/coins.py | 39 +++++++++++++++++++--------------------
 lib/tx.py    |  4 ++++
 2 files changed, 23 insertions(+), 20 deletions(-)

diff --git a/lib/coins.py b/lib/coins.py
index 989f0cc..7ddc2a4 100644
--- a/lib/coins.py
+++ b/lib/coins.py
@@ -39,9 +39,7 @@ from hashlib import sha256
 import lib.util as util
 from lib.hash import Base58, hash160, double_sha256, hash_to_str
 from lib.script import ScriptPubKey, OpCodes
-from lib.tx import Deserializer, DeserializerSegWit, DeserializerAuxPow, \
-    DeserializerZcash, DeserializerTxTime, DeserializerReddcoin, \
-    DeserializerTxTimeAuxPow
+import lib.tx as lib_tx
 from server.block_processor import BlockProcessor
 import server.daemon as daemon
 from server.session import ElectrumX, DashElectrumX
@@ -67,7 +65,7 @@ class Coin(object):
     BASIC_HEADER_SIZE = 80
     STATIC_BLOCK_HEADERS = True
     SESSIONCLS = ElectrumX
-    DESERIALIZER = Deserializer
+    DESERIALIZER = lib_tx.Deserializer
     DAEMON = daemon.Daemon
     BLOCK_PROCESSOR = BlockProcessor
     XPUB_VERBYTES = bytes('????', 'utf-8')
@@ -306,7 +304,7 @@ class Coin(object):
 
 class AuxPowMixin(object):
     STATIC_BLOCK_HEADERS = False
-    DESERIALIZER = DeserializerAuxPow
+    DESERIALIZER = lib_tx.DeserializerAuxPow
 
     @classmethod
     def header_hash(cls, header):
@@ -353,7 +351,7 @@ class BitcoinCash(BitcoinMixin, Coin):
 
 class BitcoinSegwit(BitcoinMixin, Coin):
     NAME = "BitcoinSegwit"
-    DESERIALIZER = DeserializerSegWit
+    DESERIALIZER = lib_tx.DeserializerSegWit
     TX_COUNT = 217380620
     TX_COUNT_HEIGHT = 464000
     TX_PER_BLOCK = 1800
@@ -391,7 +389,7 @@ class Emercoin(Coin):
     VALUE_PER_COIN = 1000000
     RPC_PORT = 6662
 
-    DESERIALIZER = DeserializerTxTimeAuxPow
+    DESERIALIZER = lib_tx.DeserializerTxTimeAuxPow
 
     PEERS = []
 
@@ -439,7 +437,7 @@ class BitcoinCashTestnet(BitcoinTestnetMixin, Coin):
 class BitcoinSegwitTestnet(BitcoinTestnetMixin, Coin):
     '''Bitcoin Testnet for Core bitcoind >= 0.13.1.'''
     NAME = "BitcoinSegwit"
-    DESERIALIZER = DeserializerSegWit
+    DESERIALIZER = lib_tx.DeserializerSegWit
     PEERS = [
         'electrum.akinbo.org s t',
         'he36kyperp3kbuxu.onion s t',
@@ -484,7 +482,7 @@ class Litecoin(Coin):
     WIF_BYTE = bytes.fromhex("b0")
     GENESIS_HASH = ('12a765e31ffd4059bada1e25190f6e98'
                     'c99d9714d334efa41a195a7e7e04bfe2')
-    DESERIALIZER = DeserializerSegWit
+    DESERIALIZER = lib_tx.DeserializerSegWit
     TX_COUNT = 8908766
     TX_COUNT_HEIGHT = 1105256
     TX_PER_BLOCK = 10
@@ -538,6 +536,7 @@ class Viacoin(AuxPowMixin, Coin):
     IRC_CHANNEL="#vialectrum"
     RPC_PORT = 5222
     REORG_LIMIT = 5000
+    DESERIALIZER = lib_tx.DeserializerAuxPowSegWit
     PEERS = [
         'vialectrum.bitops.me s t',
         'server.vialectrum.org s t',
@@ -563,7 +562,7 @@ class ViacoinTestnet(Viacoin):
 
 class ViacoinTestnetSegWit(ViacoinTestnet):
     NET = "testnet-segwit"
-    DESERIALIZER = DeserializerSegWit
+    DESERIALIZER = lib_tx.DeserializerSegWit
 
 
 # Source: namecoin.org
@@ -718,7 +717,7 @@ class DigiByte(Coin):
     WIF_BYTE = bytes.fromhex("80")
     GENESIS_HASH = ('7497ea1b465eb39f1c8f507bc877078f'
                     'e016d6fcb6dfad3a64c98dcc6e1e8496')
-    DESERIALIZER = DeserializerSegWit
+    DESERIALIZER = lib_tx.DeserializerSegWit
     TX_COUNT = 1046018
     TX_COUNT_HEIGHT = 1435000
     TX_PER_BLOCK = 1000
@@ -796,7 +795,7 @@ class Zcash(Coin):
                     'd06b4a8a5c453883c000b031973dce08')
     STATIC_BLOCK_HEADERS = False
     BASIC_HEADER_SIZE = 140 # Excluding Equihash solution
-    DESERIALIZER = DeserializerZcash
+    DESERIALIZER = lib_tx.DeserializerZcash
     TX_COUNT = 329196
     TX_COUNT_HEIGHT = 68379
     TX_PER_BLOCK = 5
@@ -836,7 +835,7 @@ class Einsteinium(Coin):
     WIF_BYTE = bytes.fromhex("b0")
     GENESIS_HASH = ('4e56204bb7b8ac06f860ff1c845f03f9'
                     '84303b5b97eb7b42868f714611aed94b')
-    DESERIALIZER = DeserializerSegWit
+    DESERIALIZER = lib_tx.DeserializerSegWit
     TX_COUNT = 2087559
     TX_COUNT_HEIGHT = 1358517
     TX_PER_BLOCK = 2
@@ -855,7 +854,7 @@ class Blackcoin(Coin):
     WIF_BYTE = bytes.fromhex("99")
     GENESIS_HASH = ('000001faef25dec4fbcf906e6242621d'
                     'f2c183bf232f263d0ba5b101911e4563')
-    DESERIALIZER = DeserializerTxTime
+    DESERIALIZER = lib_tx.DeserializerTxTime
     DAEMON = daemon.LegacyRPCDaemon
     TX_COUNT = 4594999
     TX_COUNT_HEIGHT = 1667070
@@ -889,7 +888,7 @@ class Bitbay(Coin):
     WIF_BYTE = bytes.fromhex("99")
     GENESIS_HASH = ('0000075685d3be1f253ce777174b1594'
                     '354e79954d2a32a6f77fe9cba00e6467')
-    DESERIALIZER = DeserializerTxTime
+    DESERIALIZER = lib_tx.DeserializerTxTime
     DAEMON = daemon.LegacyRPCDaemon
     TX_COUNT = 4594999
     TX_COUNT_HEIGHT = 1667070
@@ -924,7 +923,7 @@ class Peercoin(Coin):
     WIF_BYTE = bytes.fromhex("b7")
     GENESIS_HASH = ('0000000032fe677166d54963b62a4677'
                     'd8957e87c508eaa4fd7eb1c880cd27e3')
-    DESERIALIZER = DeserializerTxTime
+    DESERIALIZER = lib_tx.DeserializerTxTime
     DAEMON = daemon.LegacyRPCDaemon
     TX_COUNT = 1207356
     TX_COUNT_HEIGHT = 306425
@@ -944,7 +943,7 @@ class Reddcoin(Coin):
     WIF_BYTE = bytes.fromhex("bd")
     GENESIS_HASH = ('b868e0d95a3c3c0e0dadc67ee587aaf9'
                     'dc8acbf99e3b4b3110fad4eb74c1decc')
-    DESERIALIZER = DeserializerReddcoin
+    DESERIALIZER = lib_tx.DeserializerReddcoin
     TX_COUNT = 5413508
     TX_COUNT_HEIGHT = 1717382
     TX_PER_BLOCK = 3
@@ -964,7 +963,7 @@ class Vertcoin(Coin):
     WIF_BYTE = bytes.fromhex("80")
     GENESIS_HASH = ('4d96a915f49d40b1e5c2844d1ee2dccb'
                     '90013a990ccea12c492d22110489f0c4')
-    DESERIALIZER = DeserializerSegWit
+    DESERIALIZER = lib_tx.DeserializerSegWit
     TX_COUNT = 2383423
     TX_COUNT_HEIGHT = 759076
     TX_PER_BLOCK = 3
@@ -983,7 +982,7 @@ class Monacoin(Coin):
     WIF_BYTE = bytes.fromhex("B0")
     GENESIS_HASH = ('ff9f1c0116d19de7c9963845e129f9ed'
                     '1bfc0b376eb54fd7afa42e0d418c8bb6')
-    DESERIALIZER = DeserializerSegWit
+    DESERIALIZER = lib_tx.DeserializerSegWit
     TX_COUNT = 2568580
     TX_COUNT_HEIGHT = 1029766
     TX_PER_BLOCK = 2
@@ -1046,7 +1045,7 @@ class Neblio(Coin):
     WIF_BYTE = bytes.fromhex("80")
     GENESIS_HASH = ('7286972be4dbc1463d256049b7471c25'
                     '2e6557e222cab9be73181d359cd28bcc')
-    DESERIALIZER = DeserializerTxTime
+    DESERIALIZER = lib_tx.DeserializerTxTime
     TX_COUNT = 23675
     TX_COUNT_HEIGHT = 22785
     TX_PER_BLOCK = 1
diff --git a/lib/tx.py b/lib/tx.py
index bbba5cd..049924f 100644
--- a/lib/tx.py
+++ b/lib/tx.py
@@ -257,6 +257,10 @@ class DeserializerAuxPow(Deserializer):
         return self._read_nbytes(header_end)
 
 
+class DeserializerAuxPowSegWit(DeserializerSegWit, DeserializerAuxPow):
+    pass
+
+
 class TxJoinSplit(namedtuple("Tx", "version inputs outputs locktime")):
     '''Class representing a JoinSplit transaction.'''