def deserialize(txhex):
t = etr.deserialize(txhex)
#translation from Electrum deserialization
#to pybitcointools form as used in joinmarket
#pybitcointools structure:
#obj = {"ins": [..], "outs": [..], "locktime": int}
#where ins elements are:
#{"outpoint": {"hash": bigendian32,"index": int},
#"script": hex,"sequence": int}
#and outs elements are:
#{"script": hex, "value": int}
#
#while electrum.transaction.deserialize returns object
#like:
#{"version": int, "inputs": [..], "outputs": [..], "lockTime": int}
obj = {}
obj["version"] = t["version"]
obj["locktime"] = t["lockTime"]
obj["ins"] = []
obj["outs"] = []
for i in t["inputs"]:
outpoint = {"hash": i["prevout_hash"], "index": i["prevout_n"]}
scr = i["scriptSig"]
sequence = i["sequence"]
obj["ins"].append({"outpoint": outpoint, "script": scr, "sequence": sequence})
for i in t["outputs"]:
obj["outs"].append({"script": i["scriptPubKey"], "value": i["value"]})
return obj
def deserialize(txhex):
t = etr.deserialize(txhex)
#translation from Electrum deserialization
#to pybitcointools form as used in joinmarket
#pybitcointools structure:
#obj = {"ins": [..], "outs": [..], "locktime": int}
#where ins elements are:
#{"outpoint": {"hash": bigendian32,"index": int},
#"script": hex,"sequence": int}
#and outs elements are:
#{"script": hex, "value": int}
#
#while electrum.transaction.deserialize returns object
#like:
#{"version": int, "inputs": [..], "outputs": [..], "lockTime": int}
obj = {}
obj["version"] = t["version"]
obj["locktime"] = t["lockTime"]
obj["ins"] = []
obj["outs"] = []
for i in t["inputs"]:
outpoint = {"hash": i["prevout_hash"], "index": i["prevout_n"]}
scr = i["scriptSig"]
sequence = i["sequence"]
obj["ins"].append({
"outpoint": outpoint,
"script": scr,
"sequence": sequence
})
for i in t["outputs"]:
obj["outs"].append({
"script": i["scriptPubKey"],
"value": i["value"]
})
return obj
def electrum_tx_to_txtype(self, tx):
t = self.types.TransactionType()
d = deserialize(tx.raw)
t.version = d['version']
t.lock_time = d['lockTime']
inputs = self.tx_inputs(tx)
t.inputs.extend(inputs)
for vout in d['outputs']:
o = t.bin_outputs.add()
o.amount = vout['value']
o.script_pubkey = bfh(vout['scriptPubKey'])
return t
def electrum_tx_to_txtype(self, tx):
t = self.types.TransactionType()
d = deserialize(tx.raw)
t.version = d['version']
t.lock_time = d['lockTime']
inputs = self.tx_inputs(tx)
t.inputs.extend(inputs)
for vout in d['outputs']:
o = t.bin_outputs.add()
o.amount = vout['value']
o.script_pubkey = bfh(vout['scriptPubKey'])
return t
def electrum_tx_to_txtype(self, tx):
t = types.TransactionType()
d = deserialize(tx.raw)
t.version = d["version"]
t.lock_time = d["lockTime"]
inputs = self.tx_inputs(tx)
t.inputs.extend(inputs)
for vout in d["outputs"]:
o = t.bin_outputs.add()
o.amount = vout["value"]
o.script_pubkey = vout["scriptPubKey"].decode("hex")
return t
def electrum_tx_to_txtype(self, tx, xpub_path):
t = TransactionType()
if tx is None:
# probably for segwit input and we don't need this prev txn
return t
d = deserialize(tx.raw)
t.version = d['version']
t.lock_time = d['lockTime']
t.inputs = self.tx_inputs(tx, xpub_path)
t.bin_outputs = [
TxOutputBinType(amount=vout['value'], script_pubkey=bfh(vout['scriptPubKey']))
for vout in d['outputs']
]
return t
def electrum_tx_to_txtype(self, tx, xpub_path):
t = TransactionType()
if tx is None:
# probably for segwit input and we don't need this prev txn
return t
d = deserialize(tx.raw)
t.version = d['version']
t.lock_time = d['lockTime']
t.inputs = self.tx_inputs(tx, xpub_path)
t.bin_outputs = [
TxOutputBinType(amount=vout['value'], script_pubkey=bfh(vout['scriptPubKey']))
for vout in d['outputs']
]
return t
def electrum_tx_to_txtype(self, tx):
t = self.types.TransactionType()
if tx is None:
# probably for segwit input and we don't need this prev txn
return t
d = deserialize(tx.raw)
t.version = d['version']
t.lock_time = d['lockTime']
inputs = self.tx_inputs(tx)
t._extend_inputs(inputs)
for vout in d['outputs']:
o = t._add_bin_outputs()
o.amount = vout['value']
o.script_pubkey = bfh(vout['scriptPubKey'])
return t
def electrum_tx_to_txtype(self, tx):
t = self.types.TransactionType()
if tx is None:
# probably for segwit input and we don't need this prev txn
return t
d = deserialize(tx.raw)
t.version = d['version']
t.lock_time = d['lockTime']
inputs = self.tx_inputs(tx)
t._extend_inputs(inputs)
for vout in d['outputs']:
o = t._add_bin_outputs()
o.amount = vout['value']
o.script_pubkey = bfh(vout['scriptPubKey'])
return t
def test_tx_unsigned(self):
self.maxDiff = None
expected = {
'inputs': [{
'type':
'p2pkh',
'address':
'14iRdacqJ95JffkUFUTUoZmHCUkq21UMAZ',
'issuance':
None,
'num_sig':
1,
'prevout_hash':
'25554b1cb7c28ca28188066312f66524bf1b241a120dec8bd39e81699aebddf8',
'prevout_n':
1,
'pubkeys': [
'031ec67b31750c9ca58b859200267625681d4c9849f8fb163207c4186a273e0b0a'
],
'scriptSig':
'01ff4c53ff0488b21e000000000000000000350138c626aac760ea9eedb47287f12c4d783910821c5602d5f8ed933a8f0d95025fb1f45ecb87f2089dc8b0257fc23cc5fd13ae9d4e14c08b0398002d68eae14c00000000',
'sequence':
4294967294,
'signatures': [None],
'x_pubkeys': [
'ff0488b21e000000000000000000350138c626aac760ea9eedb47287f12c4d783910821c5602d5f8ed933a8f0d95025fb1f45ecb87f2089dc8b0257fc23cc5fd13ae9d4e14c08b0398002d68eae14c00000000'
]
}],
'lockTime':
3,
'outputs': [{
'address': '1BvbZykUE5oS5ACH5U4mhwE5KdJPHson7',
'asset':
'6718fdfa571f3f3d091cf57f03ceac534ee5a4f78f80880dc97ee1b4f5c21da4',
'asset_version': 1,
'nonce': None,
'nonce_version': 0,
'prevout_n': 0,
'scriptPubKey':
'76a9140210e63973f9feddf155e5e73ac8f7289549b5f788ac',
'range_proof': None,
'surjection_proof': None,
'type': TYPE_ADDRESS,
'value': 100000000000000,
'value_version': 1
}, {
'address': '1FRUENS6LR8JdwEoptZwjRA1c64WDgcsac',
'asset':
'6718fdfa571f3f3d091cf57f03ceac534ee5a4f78f80880dc97ee1b4f5c21da4',
'asset_version': 1,
'nonce': None,
'nonce_version': 0,
'prevout_n': 1,
'scriptPubKey':
'76a9149e327995acc97229c07ce5e75789dab5eb3b689188ac',
'range_proof': None,
'surjection_proof': None,
'type': TYPE_ADDRESS,
'value': 399999999965500,
'value_version': 1
}, {
'address': '',
'asset':
'6718fdfa571f3f3d091cf57f03ceac534ee5a4f78f80880dc97ee1b4f5c21da4',
'asset_version': 1,
'nonce': None,
'nonce_version': 0,
'prevout_n': 2,
'scriptPubKey': '',
'range_proof': None,
'surjection_proof': None,
'type': TYPE_SCRIPT,
'value': 34500,
'value_version': 1
}],
'partial':
True,
'segwit_ser':
False,
'version':
1,
}
tx = transaction.Transaction(unsigned_blob)
self.assertEqual(tx.deserialize(), expected)
self.assertEqual(tx.deserialize(), None)
self.assertEqual(tx.as_dict(), {
'hex': unsigned_blob,
'complete': False,
'final': True
})
self.assertEqual(tx.get_outputs(), [
('1BvbZykUE5oS5ACH5U4mhwE5KdJPHson7', 100000000000000,
'6718fdfa571f3f3d091cf57f03ceac534ee5a4f78f80880dc97ee1b4f5c21da4'
),
('1FRUENS6LR8JdwEoptZwjRA1c64WDgcsac', 399999999965500,
'6718fdfa571f3f3d091cf57f03ceac534ee5a4f78f80880dc97ee1b4f5c21da4'
),
('SCRIPT ', 34500,
'6718fdfa571f3f3d091cf57f03ceac534ee5a4f78f80880dc97ee1b4f5c21da4'
)
])
self.assertEqual(tx.get_output_addresses(), [
'1BvbZykUE5oS5ACH5U4mhwE5KdJPHson7',
'1FRUENS6LR8JdwEoptZwjRA1c64WDgcsac', 'SCRIPT '
])
self.assertTrue(tx.has_address('1BvbZykUE5oS5ACH5U4mhwE5KdJPHson7'))
self.assertTrue(tx.has_address('1FRUENS6LR8JdwEoptZwjRA1c64WDgcsac'))
self.assertFalse(tx.has_address('1FRUENS6LR8JdwEoptZwjRA1c64WDgcsab'))
self.assertEqual(tx.serialize(), unsigned_blob)
tx.update_signatures(signed_blob_signatures)
self.assertEqual(tx.raw, signed_blob)
tx.update(unsigned_blob)
tx.raw = None
blob = str(tx)
self.assertEqual(transaction.deserialize(blob), expected)
