def _get_address(self, coin, address_n, multisig):
if multisig:
# check if we own the pubkey
pubkey = BIP32(self.storage.get_node()).get_public_node(address_n).public_key
try:
pubkeys = [ public_ckd(n.node, list(n.address_n)).public_key for n in multisig.pubkeys ]
sig_index = list(pubkeys).index(pubkey)
except ValueError:
return proto.Failure(code=proto_types.Failure_Other, message="Pubkey not found in multisig script")
# convert script to P2SH address
script = transaction.compile_script_multisig(multisig)
h160 = tools.hash_160(script)
address = tools.hash_160_to_bc_address(h160, coin.address_type_p2sh)
else:
address = BIP32(self.storage.get_node()).get_address(coin, address_n)
self.layout.show_receiving_address(address)
self.custom_message = True # Yes button will redraw screen
return proto.Address(address=address)
def compile_TxOutput(txout):
ret = types.TxOutputBinType()
ret.amount = txout.amount
if len(list(txout.address_n)):
raise Exception("address_n should be converted to address already")
if txout.script_type == types.PAYTOADDRESS:
script = '\x76\xa9' # op_dup, op_hash_160
script += '\x14' # push 0x14 bytes
script += tools.bc_address_to_hash_160(txout.address)
script += '\x88\xac' # op_equalverify, op_checksig
ret.script_pubkey = script
elif txout.script_type == types.PAYTOSCRIPTHASH:
script = '\xa9' # op_hash_160
script += '\x14' # push 0x14 bytes
script += tools.bc_address_to_hash_160(txout.address)
script += '\x87' # op_equal
ret.script_pubkey = script
elif txout.script_type == types.PAYTOMULTISIG:
s = compile_script_multisig(txout.multisig)
h160 = tools.hash_160(s)
script = '\xa9' # op_hash_160
script += '\x14' # push 0x14 bytes
script += h160
script += '\x87' # op_equal
ret.script_pubkey = script
elif txout.script_type == types.PAYTOOPRETURN:
if txout.amount > 0:
raise Exception("OP_RETURN output must not contain any satoshis")
ret.script_pubkey = '\x6a' + op_push(len(txout.op_return_data)) + txout.op_return_data
else:
raise Exception("Unknown script type")
return ret
def fingerprint(pubkey):
return string_to_number(tools.hash_160(pubkey)[:4])
def fingerprint(pubkey):
return string_to_number(tools.hash_160(pubkey)[:4])