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Break out some abstractions in coins.py

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This commit is contained in:
Neil Booth 2018-08-11 07:04:12 +09:00
parent f781d74ed5
commit 279ca32e3a
1 changed files with 11 additions and 3 deletions
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14
electrumx/lib/coins.py
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@ -211,6 +211,14 @@ class Coin(object):
''' '''
return ScriptPubKey.P2PK_script(pubkey) return ScriptPubKey.P2PK_script(pubkey)
@classmethod
def hash160_to_P2PKH_script(cls, hash160):
return ScriptPubKey.P2PKH_script(hash160)
@classmethod
def hash160_to_P2PKH_hashX(cls, hash160):
return cls.hashX_from_script(cls.hash160_to_P2PKH_script(hash160))
@classmethod @classmethod
def pay_to_address_script(cls, address): def pay_to_address_script(cls, address):
'''Return a pubkey script that pays to a pubkey hash. '''Return a pubkey script that pays to a pubkey hash.
@ -223,12 +231,12 @@ class Coin(object):
verbyte = -1 verbyte = -1
verlen = len(raw) - 20 verlen = len(raw) - 20
if verlen > 0: if verlen > 0:
verbyte, hash_bytes = raw[:verlen], raw[verlen:] verbyte, hash160 = raw[:verlen], raw[verlen:]
if verbyte == cls.P2PKH_VERBYTE: if verbyte == cls.P2PKH_VERBYTE:
return ScriptPubKey.P2PKH_script(hash_bytes) return cls.hash160_to_P2PKH_script(hash160)
if verbyte in cls.P2SH_VERBYTES: if verbyte in cls.P2SH_VERBYTES:
return ScriptPubKey.P2SH_script(hash_bytes) return ScriptPubKey.P2SH_script(hash160)
raise CoinError('invalid address: {}'.format(address)) raise CoinError('invalid address: {}'.format(address))