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Add support for Dogecoin #39

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Add support for Dogecoin #39

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49 changes: 40 additions & 9 deletions bitcoin/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,27 @@ class RegTestParams(bitcoin.core.CoreRegTestParams):
'SCRIPT_ADDR':196,
'SECRET_KEY' :239}

class DogeMainParams(bitcoin.core.CoreDogeMainParams):
MESSAGE_START = b'\xc0\xc0\xc0\xc0'
DEFAULT_PORT = 22556
RPC_PORT = 22555
DNS_SEEDS = (('dogecoin.com', 'seed.dogecoin.com'),
('mophides.com', 'seed.mophides.com'),
('dglibrary.org', 'seed.dglibrary.org'),
('dogechain.info', 'seed.dogechain.info'))
BASE58_PREFIXES = {'PUBKEY_ADDR':30,
'SCRIPT_ADDR':22,
'SECRET_KEY' :158}

class DogeTestNetParams(bitcoin.core.CoreDogeTestNetParams):
MESSAGE_START = b'\xfc\xc1\xb7\xdc'
DEFAULT_PORT = 44556
RPC_PORT = 44555
DNS_SEEDS = (('lionservers.de', 'testdoge-seed-static.lionservers.de'))
BASE58_PREFIXES = {'PUBKEY_ADDR':113,
'SCRIPT_ADDR':196,
'SECRET_KEY' :241}

"""Master global setting for what chain params we're using.

However, don't set this directly, use SelectParams() instead so as to set the
Expand All @@ -53,20 +74,30 @@ class RegTestParams(bitcoin.core.CoreRegTestParams):
#params = bitcoin.core.coreparams = MainParams()
params = MainParams()

def SelectParams(name):
def SelectParams(name, coin = 'BTC'):
"""Select the chain parameters to use

name is one of 'mainnet', 'testnet', or 'regtest'

Default chain is 'mainnet'
"""
global params
bitcoin.core._SelectCoreParams(name)
if name == 'mainnet':
params = bitcoin.core.coreparams = MainParams()
elif name == 'testnet':
params = bitcoin.core.coreparams = TestNetParams()
elif name == 'regtest':
params = bitcoin.core.coreparams = RegTestParams()
bitcoin.core._SelectCoreParams(name, coin)
if coin == 'BTC':
if name == 'mainnet':
params = bitcoin.core.coreparams = MainParams()
elif name == 'testnet':
params = bitcoin.core.coreparams = TestNetParams()
elif name == 'regtest':
params = bitcoin.core.coreparams = RegTestParams()
else:
raise ValueError('Unknown Bitcoin chain %r' % name)
elif coin == 'DOGE':
if name == 'mainnet':
params = bitcoin.core.coreparams = DogeMainParams()
elif name == 'testnet':
params = bitcoin.core.coreparams = DogeTestNetParams()
else:
raise ValueError('Unknown Dogecoin chain %r' % name)
else:
raise ValueError('Unknown chain %r' % name)
raise ValueError('Unknown coin %r' % coin)
36 changes: 28 additions & 8 deletions bitcoin/core/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -558,24 +558,44 @@ class CoreRegTestParams(CoreTestNetParams):
SUBSIDY_HALVING_INTERVAL = 150
PROOF_OF_WORK_LIMIT = 2**256-1 >> 1

class CoreDogeMainParams(CoreChainParams):
NAME = 'dogecoin_main'
GENESIS_BLOCK = CBlock.deserialize(x('010000000000000000000000000000000000000000000000000000000000000000000000696ad20e2dd4365c7459b4a4a5af743d5e92c6da3229e6532cd605f6533f2a5b24a6a152f0ff0f1e678601000101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff1004ffff001d0104084e696e746f6e646fffffffff010058850c020000004341040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9ac00000000'))
SUBSIDY_HALVING_INTERVAL = 100000
PROOF_OF_WORK_LIMIT = 2**256-1 >> 32

class CoreDogeTestNetParams(CoreDogeMainParams):
NAME = 'dogecoin_test'
GENESIS_BLOCK = CBlock.deserialize(x('010000000000000000000000000000000000000000000000000000000000000000000000696ad20e2dd4365c7459b4a4a5af743d5e92c6da3229e6532cd605f6533f2a5bb9a7f052f0ff0f1ef7390f000101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff1004ffff001d0104084e696e746f6e646fffffffff010058850c020000004341040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9ac00000000'))

"""Master global setting for what core chain params we're using"""
coreparams = CoreMainParams()

def _SelectCoreParams(name):
def _SelectCoreParams(name, coin='BTC'):
"""Select the core chain parameters to use

Don't use this directly, use bitcoin.SelectParams() instead so both
consensus-critical and general parameters are set properly.
"""
global coreparams
if name == 'mainnet':
coreparams = CoreMainParams()
elif name == 'testnet':
coreparams = CoreTestNetParams()
elif name == 'regtest':
coreparams = CoreRegTestParams()
if coin == 'BTC':
if name == 'mainnet':
coreparams = CoreMainParams()
elif name == 'testnet':
coreparams = CoreTestNetParams()
elif name == 'regtest':
coreparams = CoreRegTestParams()
else:
raise ValueError('Unknown Bitcoin chain %r' % name)
elif coin == 'DOGE':
if name == 'mainnet':
coreparams = CoreDogeMainParams()
elif name == 'testnet':
coreparams = CoreDogeTestNetParams()
else:
raise ValueError('Unknown Dogecoin chain %r' % name)
else:
raise ValueError('Unknown chain %r' % name)
raise ValueError('Unknown coin %r' % coin)


class CheckTransactionError(ValidationError):
Expand Down