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Add simnet params #208

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Add simnet params #208

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11 changes: 11 additions & 0 deletions bitcoin/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,15 @@ class RegTestParams(bitcoin.core.CoreRegTestParams):
'SCRIPT_ADDR':196,
'SECRET_KEY' :239}

class SimNetParams(bitcoin.core.CoreSimNetParams):
MESSAGE_START = b'\xfa\xbf\xb5\xda'
DEFAULT_PORT = 18555
RPC_PORT = 18554
DNS_SEEDS = ()
BASE58_PREFIXES = {'PUBKEY_ADDR':63,
'SCRIPT_ADDR':123,
'SECRET_KEY' :100}

"""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 @@ -76,5 +85,7 @@ def SelectParams(name):
params = bitcoin.core.coreparams = TestNetParams()
elif name == 'regtest':
params = bitcoin.core.coreparams = RegTestParams()
elif name == 'simnet':
params = bitcoin.core.coreparams = SimNetParams()
else:
raise ValueError('Unknown chain %r' % name)
9 changes: 9 additions & 0 deletions bitcoin/core/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -758,6 +758,13 @@ class CoreRegTestParams(CoreTestNetParams):
SUBSIDY_HALVING_INTERVAL = 150
PROOF_OF_WORK_LIMIT = 2**256-1 >> 1

class CoreSimNetParams(CoreTestNetParams):
NAME = 'simnet'
GENESIS_BLOCK = CBlock.deserialize(x('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'))
SUBSIDY_HALVING_INTERVAL = 210000
PROOF_OF_WORK_LIMIT = 2**256-1 >> 1


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

Expand All @@ -774,6 +781,8 @@ def _SelectCoreParams(name):
coreparams = CoreTestNetParams()
elif name == 'regtest':
coreparams = CoreRegTestParams()
elif name == 'simnet':
coreparams = CoreSimNetParams()
else:
raise ValueError('Unknown chain %r' % name)

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