Make the default reorg_limit a coin property

lib/coins.py

@@ -30,6 +30,7 @@ class CoinError(Exception):
 class Coin(object):
     '''Base class of coin hierarchy.'''
 
+    REORG_LIMIT=200
     # Not sure if these are coin-specific
     HEADER_LEN = 80
     DEFAULT_RPC_PORT = 8332
@@ -244,6 +245,7 @@ class Bitcoin(Coin):
 class BitcoinTestnet(Coin):
     NAME = "Bitcoin"
     SHORTNAME = "XTN"
+    REORG_LIMIT = 2000
     NET = "testnet"
     XPUB_VERBYTES = bytes.fromhex("043587cf")
     XPRV_VERBYTES = bytes.fromhex("04358394")

server/env.py

@@ -29,7 +29,7 @@ class Env(LoggedClass):
         self.utxo_MB = self.integer('UTXO_MB', 1000)
         self.hist_MB = self.integer('HIST_MB', 300)
         self.host = self.default('HOST', 'localhost')
-        self.reorg_limit = self.integer('REORG_LIMIT', 200)
+        self.reorg_limit = self.integer('REORG_LIMIT', self.coin.REORG_LIMIT)
         self.daemon_url = self.build_daemon_url()
         # Server stuff
         self.tcp_port = self.integer('TCP_PORT', None)