def test_estimate_fee_per_kb(fee_per_kb, fee_per_kb_used, server_db, monkeypatch):
def _fee_per_kb(nblocks):
return fee_per_kb
monkeypatch.setattr('counterpartylib.lib.backend.fee_per_kb', _fee_per_kb)
utxos = dict(((utxo['txid'], utxo['vout']), utxo) for utxo in backend.get_unspent_txouts(ADDR[0]))
with util_test.ConfigContext(ESTIMATE_FEE_PER_KB=True):
txhex = api.compose_transaction(
server_db, 'send',
{'source': ADDR[0],
'destination': ADDR[1],
'asset': 'XCP',
'quantity': 100},
)
pretx = bitcoinlib.core.CTransaction.deserialize(binascii.unhexlify(txhex))
sumvin = sum([int(utxos[(bitcoinlib.core.b2lx(vin.prevout.hash), vin.prevout.n)]['amount'] * 1e8) for vin in pretx.vin])
sumvout = sum([vout.nValue for vout in pretx.vout])
unsignedsize = 183
signedsize = 315
fee = int((signedsize / 1000) * (fee_per_kb_used or fee_per_kb))
assert len(txhex) / 2 == unsignedsize
assert sumvin == 199909140
assert sumvout < sumvin
assert sumvout == sumvin - fee
def test_estimate_fee_per_kb(fee_per_kb, fee_per_kb_used, server_db, monkeypatch):
def _fee_per_kb(conf_target, mode):
return fee_per_kb
monkeypatch.setattr('counterpartylib.lib.backend.fee_per_kb', _fee_per_kb)
utxos = dict(((utxo['txid'], utxo['vout']), utxo) for utxo in backend.get_unspent_txouts(ADDR[0]))
with util_test.ConfigContext(ESTIMATE_FEE_PER_KB=True):
txhex = api.compose_transaction(
server_db, 'send',
{'source': ADDR[0],
'destination': ADDR[1],
'asset': 'XCP',
'quantity': 100},
)
pretx = bitcoinlib.core.CTransaction.deserialize(binascii.unhexlify(txhex))
sumvin = sum([int(utxos[(bitcoinlib.core.b2lx(vin.prevout.hash), vin.prevout.n)]['amount'] * 1e8) for vin in pretx.vin])
sumvout = sum([vout.nValue for vout in pretx.vout])
unsignedsize = 183
signedsize = 263
fee = int((signedsize / 1000) * (fee_per_kb_used or fee_per_kb))
assert len(txhex) / 2 == unsignedsize
assert sumvin == 199909140
assert sumvout < sumvin
assert sumvout == sumvin - fee
def test_p2sh_encoding_p2sh_source_not_supported(server_db):
source = P2SH_ADDR[0]
destination = ADDR[1]
with util_test.ConfigContext(
OLD_STYLE_API=True), util_test.MockProtocolChangesContext(
enhanced_sends=True, p2sh_encoding=True):
fee = 20000
fee_per_kb = 50000
with pytest.raises(exceptions.TransactionError):
result = api.compose_transaction(server_db,
'send', {
'source': source,
'destination': destination,
'asset': 'XCP',
'quantity': 100
},
encoding='p2sh',
fee_per_kb=fee_per_kb,
fee=fee)
def test_bytespersigop(server_db):
assert util.enabled('bytespersigop') == False
# ADDR[0], bytespersigop=False, desc 41 bytes, opreturn
txhex = api.compose_transaction(
server_db, 'issuance',
{'source': ADDR[0],
'asset': 'TESTING',
'quantity': 100,
'transfer_destination': None,
'divisible': False,
'description': 't' * 41},
)
tx = bitcoinlib.core.CTransaction.deserialize(binascii.unhexlify(txhex))
assert len(tx.vin) == 1
assert len(tx.vout) == 2
assert "OP_RETURN" in repr(tx.vout[0].scriptPubKey)
# ADDR[0], bytespersigop=False, desc 42 bytes, multisig
txhex = api.compose_transaction(
server_db, 'issuance',
{'source': ADDR[0],
'asset': 'TESTING',
'quantity': 100,
'transfer_destination': None,
'divisible': False,
'description': 't' * 42},
)
tx = bitcoinlib.core.CTransaction.deserialize(binascii.unhexlify(txhex))
assert len(tx.vin) == 1
assert len(tx.vout) == 3
assert "OP_CHECKMULTISIG" in repr(tx.vout[0].scriptPubKey)
assert "OP_CHECKMULTISIG" in repr(tx.vout[1].scriptPubKey)
# enable byterpersigop
with util_test.MockProtocolChangesContext(bytespersigop=True):
assert util.enabled('bytespersigop') == True
# ADDR[0], bytespersigop=True, desc 41 bytes, opreturn
txhex = api.compose_transaction(
server_db, 'issuance',
{'source': ADDR[0],
'asset': 'TESTING',
'quantity': 100,
'transfer_destination': None,
'divisible': False,
'description': 't' * 41},
)
tx = bitcoinlib.core.CTransaction.deserialize(binascii.unhexlify(txhex))
assert len(tx.vin) == 1
assert len(tx.vout) == 2
assert "OP_RETURN" in repr(tx.vout[0].scriptPubKey)
# ADDR[0], bytespersigop=True, desc 42 bytes, pubkeyhash encoding
# pubkeyhash because ADDR[0] only has 1 UTXO to spend from
txhex = api.compose_transaction(
server_db, 'issuance',
{'source': ADDR[0],
'asset': 'TESTING',
'quantity': 100,
'transfer_destination': None,
'divisible': False,
'description': 't' * 42},
)
tx = bitcoinlib.core.CTransaction.deserialize(binascii.unhexlify(txhex))
assert len(tx.vin) == 1
assert len(tx.vout) == 8
for i in range(7):
assert "OP_CHECKSIG" in repr(tx.vout[i].scriptPubKey)
# ADDR[0], bytespersigop=True, desc 20 bytes, FORCED multisig encoding
# will error because it's not possible, ADDR[0] only has 1 UTXO
with pytest.raises(exceptions.EncodingError):
txhex = api.compose_transaction(
server_db, 'issuance',
{'source': ADDR[0],
'asset': 'TESTING',
'quantity': 100,
'transfer_destination': None,
'divisible': False,
'description': 't' * 20},
encoding='multisig'
)
# ADDR[1], bytespersigop=True, desc 41 bytes, opreturn encoding
txhex = api.compose_transaction(
server_db, 'issuance',
{'source': ADDR[1],
'asset': 'TESTING',
'quantity': 100,
'transfer_destination': None,
'divisible': False,
'description': 't' * 41},
)
tx = bitcoinlib.core.CTransaction.deserialize(binascii.unhexlify(txhex))
assert len(tx.vin) == 1
assert len(tx.vout) == 2
assert "OP_RETURN" in repr(tx.vout[0].scriptPubKey)
# ADDR[1], bytespersigop=True, desc 20 bytes, FORCED encoding=multisig
# will use 2 UTXOs to make the bytes:sigop ratio in our favor
txhex = api.compose_transaction(
server_db, 'issuance',
{'source': ADDR[1],
'asset': 'TESTING',
'quantity': 100,
'transfer_destination': None,
'divisible': False,
'description': 't' * 20},
encoding='multisig'
)
tx = bitcoinlib.core.CTransaction.deserialize(binascii.unhexlify(txhex))
assert len(tx.vin) == 2
assert len(tx.vout) == 2
assert "OP_CHECKMULTISIG" in repr(tx.vout[0].scriptPubKey)
def test_p2sh_encoding_manual_multisig_transaction(server_db):
source = P2SH_ADDR[0]
destination = ADDR[1]
with util_test.ConfigContext(
OLD_STYLE_API=True), util_test.MockProtocolChangesContext(
enhanced_sends=True, p2sh_encoding=True):
p2sh_source_multisig_pubkeys_binary = [
binascii.unhexlify(p) for p in [
DP['pubkey'][ADDR[0]], DP['pubkey'][ADDR[1]], DP['pubkey'][
ADDR[2]]
]
]
scriptSig, redeemScript, outputScript = p2sh_encoding.make_p2sh_encoding_redeemscript(
b'deadbeef01',
n=0,
pubKey=None,
multisig_pubkeys=p2sh_source_multisig_pubkeys_binary,
multisig_pubkeys_required=2)
redeemScript = bitcoinlib.core.script.CScript(redeemScript)
assert repr(
redeemScript
) == "CScript([OP_DROP, 2, x('{}'), x('{}'), x('{}'), 3, OP_CHECKMULTISIGVERIFY, 0, OP_DROP, OP_DEPTH, 0, OP_EQUAL])".format(
DP['pubkey'][ADDR[0]], DP['pubkey'][ADDR[1]],
DP['pubkey'][ADDR[2]])
# setup transaction
fee = 20000
fee_per_kb = 50000
pretxhex = api.compose_transaction(
server_db,
'send', {
'source': source,
'destination': destination,
'asset': 'XCP',
'quantity': 100,
},
p2sh_source_multisig_pubkeys=[
DP['pubkey'][ADDR[0]], DP['pubkey'][ADDR[1]],
DP['pubkey'][ADDR[2]]
],
p2sh_source_multisig_pubkeys_required=2,
encoding='p2sh',
fee_per_kb=fee_per_kb,
fee=fee)
# debugTransaction = bitcoinlib.core.CTransaction.deserialize(binascii.unhexlify(pretxhex))
# store transaction
pretxid, _ = util_test.insert_raw_transaction(pretxhex, server_db)
logger.debug('pretxid %s' % (pretxid))
# now compose the data transaction
result = api.compose_transaction(
server_db,
'send',
{
'source': source,
'destination': destination,
'asset': 'XCP',
'quantity': 100
},
p2sh_source_multisig_pubkeys=[
DP['pubkey'][ADDR[0]], DP['pubkey'][ADDR[1]],
DP['pubkey'][ADDR[2]]
],
p2sh_source_multisig_pubkeys_required=2,
p2sh_pretx_txid=pretxid, # pass the pretxid
encoding='p2sh',
fee_per_kb=fee_per_kb)
assert not isinstance(result, list)
datatxhex = result
datatx = bitcoinlib.core.CTransaction.deserialize(
binascii.unhexlify(datatxhex))
# parse the transaction
parsed_source, parsed_destination, parsed_btc_amount, parsed_fee, parsed_data, extra = blocks._get_tx_info(
datatxhex)
assert parsed_source == source
assert parsed_data == binascii.unhexlify(
"00000002"
"0000000000000001"
"0000000000000064"
"6f8d6ae8a3b381663118b4e1eff4cfc7d0954dd6ec"
) # ID=enhanced_send(0x02) ASSET=XCP(0x01) VALUE=100(0x64) destination_pubkey(0x6f8d...d6ec)
assert parsed_btc_amount == 0
def test_p2sh_encoding(server_db):
source = ADDR[0]
destination = ADDR[1]
with util_test.ConfigContext(
OLD_STYLE_API=True), util_test.MockProtocolChangesContext(
enhanced_sends=True, p2sh_encoding=True):
utxos = dict(((utxo['txid'], utxo['vout']), utxo)
for utxo in backend.get_unspent_txouts(source))
# pprint.pprint(utxos)
fee = 20000
fee_per_kb = 50000
result = api.compose_transaction(server_db,
'send', {
'source': source,
'destination': destination,
'asset': 'XCP',
'quantity': 100
},
encoding='p2sh',
fee_per_kb=fee_per_kb,
fee=fee)
assert not isinstance(result, list)
pretxhex = result
pretx = bitcoinlib.core.CTransaction.deserialize(
binascii.unhexlify(pretxhex))
sumvin = sum([
int(utxos[(bitcoinlib.core.b2lx(
vin.prevout.hash), vin.prevout.n)]['amount'] * 1e8)
for vin in pretx.vin
])
sumvout = sum([vout.nValue for vout in pretx.vout])
assert len(pretx.vout) == 2
assert len(pretxhex) / 2 == 142
assert sumvin == 199909140
assert sumvout < sumvin
assert sumvout == (sumvin - fee)
# data P2SH output
expected_datatx_length = 435
expected_datatx_fee = int(expected_datatx_length / 1000 * fee_per_kb)
assert repr(
pretx.vout[0].scriptPubKey
) == "CScript([OP_HASH160, x('7698101f9b9e5cdf0a0e11c2972dbc4860f374bf'), OP_EQUAL])"
assert pretx.vout[0].nValue == expected_datatx_fee
# change output
assert pretx.vout[1].nValue == sumvin - expected_datatx_fee - fee
assert pretxhex == "0100000001c1d8c075936c3495f6d653c50f73d987f75448d97a750249b1eb83bee71b24ae000000001976a9144838d8b3588c4c7ba7c1d06f866e9b3739c6303788acffffffff02f65400000000000017a9147698101f9b9e5cdf0a0e11c2972dbc4860f374bf87febbe90b000000001976a9144838d8b3588c4c7ba7c1d06f866e9b3739c6303788ac00000000"
# 01000000 | version
# 01 | inputs
# c1d8c075936c3495f6d653c50f73d987f75448d97a750249b1eb83bee71b24ae | txout hash
# 00000000 | txout index
# 19 | script length
# 76a9144838d8b3588c4c7ba7c1d06f866e9b3739c6303788ac | tx_script
# ffffffff | Sequence
# 02 | number of outputs
# f654000000000000 | output 1 value (21750)
# 17 | output 1 length (23 bytes)
# a9147698101f9b9e5cdf0a0e11c2972dbc4860f374bf87 | output 1 script
# febbe90b00000000 | output 2 value (199867390)
# 19 | output 2 length (25 bytes)
# 76a9144838d8b3588c4c7ba7c1d06f866e9b3739c6303788ac | output 2 script
# 00000000 | locktime
# first transaction should be considered BTC only
with pytest.raises(exceptions.BTCOnlyError):
blocks._get_tx_info(pretxhex)
# store transaction
pretxid, _ = util_test.insert_raw_transaction(pretxhex, server_db)
logger.debug('pretxid %s' % (pretxid))
# check that when we do another, unrelated, send that it won't use our UTXO
result = api.compose_transaction(
server_db, 'send', {
'source': source,
'destination': destination,
'asset': 'XCP',
'quantity': 100
})
othertx = bitcoinlib.core.CTransaction.deserialize(
binascii.unhexlify(result))
othertxid = bitcoinlib.core.lx(
bitcoinlib.core.b2x(othertx.vin[0].prevout.hash)) # reverse hash
assert not (binascii.hexlify(othertxid).decode('ascii') == pretxid
and othertx.vin[0].prevout.n == 0)
# now compose the data transaction
result = api.compose_transaction(
server_db,
'send',
{
'source': source,
'destination': destination,
'asset': 'XCP',
'quantity': 100
},
p2sh_pretx_txid=pretxid, # pass the pretxid
encoding='p2sh',
fee_per_kb=fee_per_kb)
assert not isinstance(result, list)
datatxhex = result
datatx = bitcoinlib.core.CTransaction.deserialize(
binascii.unhexlify(datatxhex))
sumvin = sum(
[pretx.vout[n].nValue for n, vin in enumerate(datatx.vin)])
sumvout = sum([vout.nValue for vout in datatx.vout])
fee = 10000
assert len(datatxhex) / 2 == 190
assert sumvin == expected_datatx_fee
assert sumvout < sumvin
assert sumvout == sumvin - expected_datatx_fee
assert len(datatx.vout) == 1
# opreturn signalling P2SH
assert repr(
datatx.vout[0].scriptPubKey
) == "CScript([OP_RETURN, x('8a5dda15fb6f0562da344d2f')])" # arc4(PREFIX + 'P2SH')
assert datatx.vout[0].nValue == 0
assert datatxhex == "01000000010a0746fe9308ac6e753fb85780a8b788b40655148dcde1435f2048783b784f06000000007431544553545858585800000002000000000000000100000000000000646f8d6ae8a3b381663118b4e1eff4cfc7d0954dd6ec2975210282b886c087eb37dc8182f14ba6cc3e9485ed618b95804d44aecc17c300b585b0ad007574008717a9147698101f9b9e5cdf0a0e11c2972dbc4860f374bf87ffffffff0100000000000000000e6a0c8a5dda15fb6f0562da344d2f00000000"
# 01000000 | version
# 01 | inputs
# 0a0746fe9308ac6e753fb85780a8b788b40655148dcde1435f2048783b784f06 | txout hash
# 00000000 | txout index (0)
# 74 | script length (116)
# 31544553545858585800000002000000000000000100000000000000 | tx_script
# 646f8d6ae8a3b381663118b4e1eff4cfc7d0954dd6ec2975210282b886c087eb37dc8182f14ba6cc | ...
# 3e9485ed618b95804d44aecc17c300b585b0ad007574008717a9147698101f9b9e5cdf0a0e11c297 | ...
# 2dbc4860f374bf87 | ...
# ffffffff | Sequence
# 01 | number of outputs
# 0000000000000000 | output 1 value (0)
# 0e | output 1 length (14 bytes)
# 6a0c8a5dda15fb6f0562da344d2f | output 1 script
# 00000000 | locktime
# verify parsed result
parsed_source, parsed_destination, parsed_btc_amount, parsed_fee, parsed_data, extra = blocks._get_tx_info(
datatxhex)
assert parsed_source == source
assert parsed_data == binascii.unhexlify(
"00000002"
"0000000000000001"
"0000000000000064"
"6f8d6ae8a3b381663118b4e1eff4cfc7d0954dd6ec"
) # ID=enhanced_send(0x02) ASSET=XCP(0x01) VALUE=100(0x64) destination_pubkey(0x6f8d...d6ec)
assert parsed_btc_amount == 0
assert parsed_fee == expected_datatx_fee
# check signing pubkey
tx_script_start = 8 + 2 + 64 + 8
tx_script_length = int(datatxhex[tx_script_start:tx_script_start + 2],
16) * 2
tx_script = datatxhex[tx_script_start + 2:tx_script_start + 2 +
tx_script_length]
signing_pubkey_hash = tx_script[-44:-4]
address = script.base58_check_encode(signing_pubkey_hash,
config.ADDRESSVERSION)
def test_p2sh_encoding_long_data(server_db):
source = ADDR[0]
destination = ADDR[1]
with util_test.ConfigContext(
OLD_STYLE_API=True), util_test.MockProtocolChangesContext(
enhanced_sends=True, p2sh_encoding=True):
utxos = dict(((utxo['txid'], utxo['vout']), utxo)
for utxo in backend.get_unspent_txouts(source))
# pprint.pprint(utxos)
fee_per_kb = 50000
result = api.compose_transaction(
server_db,
'broadcast', {
'source': source,
'text': 'The quick brown fox jumped over the lazy dog. ' * 12,
'fee_fraction': 0,
'timestamp': 1512155862,
'value': 0,
},
encoding='p2sh',
fee_per_kb=fee_per_kb)
assert not isinstance(result, list)
pretxhex = result
pretx = bitcoinlib.core.CTransaction.deserialize(
binascii.unhexlify(pretxhex))
actual_fee = int(len(pretxhex) / 2 * fee_per_kb / 1000)
sumvin = sum([
int(utxos[(bitcoinlib.core.b2lx(
vin.prevout.hash), vin.prevout.n)]['amount'] * 1e8)
for vin in pretx.vin
])
sumvout = sum([vout.nValue for vout in pretx.vout])
pretx_fee = 12950
assert len(pretx.vout) == 3
assert len(pretxhex) / 2 == 174
assert sumvin == 199909140
assert sumvout < sumvin
assert sumvout == (sumvin - pretx_fee)
# data P2SH output
expected_datatx_length = 1156
expected_datatx_fee = int(expected_datatx_length / 1000 * fee_per_kb)
expected_datatx_fee_rounded = int(math.ceil(
expected_datatx_fee / 2)) * 2
assert repr(
pretx.vout[0].scriptPubKey
) == "CScript([OP_HASH160, x('7698101f9b9e5cdf0a0e11c2972dbc4860f374bf'), OP_EQUAL])"
assert pretx.vout[0].nValue == int(math.ceil(expected_datatx_fee / 2))
assert pretx.vout[1].nValue == int(math.ceil(expected_datatx_fee / 2))
# change output
assert pretx.vout[
2].nValue == sumvin - expected_datatx_fee_rounded - pretx_fee
assert pretxhex == "0100000001c1d8c075936c3495f6d653c50f73d987f75448d97a750249b1eb83bee71b24ae000000001976a9144838d8b3588c4c7ba7c1d06f866e9b3739c6303788acffffffff03e47000000000000017a9147698101f9b9e5cdf0a0e11c2972dbc4860f374bf87e47000000000000017a914676d587edf25cf01d3b153ff0b71f5e9b622386387b64ae90b000000001976a9144838d8b3588c4c7ba7c1d06f866e9b3739c6303788ac00000000"
# 00000001 | version
# 01 | inputs
# c1d8c075936c3495f6d653c50f73d987f75448d97a750249b1eb83bee71b24ae | txout hash
# 00000000 | txout index
# 19 | script length
# 76a9144838d8b3588c4c7ba7c1d06f866e9b3739c6303788ac | tx_script
# ffffffff | Sequence
# 03 | number of outputs (3)
# e470000000000000 | output 1 value (28900)
# 17 | output 1 length (23 bytes)
# a9147698101f9b9e5cdf0a0e11c2972dbc4860f374bf87 | output 1 script
# e470000000000000 | output 2 value (28900)
# 17 | output 2 length (23 bytes)
# a914676d587edf25cf01d3b153ff0b71f5e9b622386387 | output 2 script
# b64ae90b00000000 | output 3 value (199838390)
# 19 | output 3 length (25 bytes)
# 76a9144838d8b3588c4c7ba7c1d06f866e9b3739c6303788ac | output 3 script
# 00000000 | locktime
# store transaction
pretxid, _ = util_test.insert_raw_transaction(pretxhex, server_db)
logger.debug('pretxid %s' % (pretxid))
# now compose the data transaction
result = api.compose_transaction(
server_db,
'broadcast',
{
'source': source,
'text': 'The quick brown fox jumped over the lazy dog. ' * 12,
'fee_fraction': 0,
'timestamp': 1512155862,
'value': 0,
},
p2sh_pretx_txid=pretxid, # pass the pretxid
encoding='p2sh',
fee_per_kb=fee_per_kb)
assert not isinstance(result, list)
datatxhex = result
datatx = bitcoinlib.core.CTransaction.deserialize(
binascii.unhexlify(datatxhex))
sumvin = sum(
[pretx.vout[n].nValue for n, vin in enumerate(datatx.vin)])
sumvout = sum([vout.nValue for vout in datatx.vout])
assert len(datatx.vin) == 2
assert len(datatxhex) / 2 == 1682 / 2
assert sumvin == expected_datatx_fee_rounded
assert sumvout < sumvin
assert sumvout == sumvin - expected_datatx_fee_rounded
assert len(datatx.vout) == 1
# opreturn signalling P2SH
assert repr(
datatx.vout[0].scriptPubKey
) == "CScript([OP_RETURN, x('8a5dda15fb6f0562da344d2f')])" # arc4(PREFIX + 'P2SH')
assert datatx.vout[0].nValue == 0
assert datatxhex == "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"
# 01000000 | version
# 02 | inputs
# f33f677de4180f1b0c261a991974c57de97f082a7e62332b77ec5d193d13d1a3 | txout hash
# 00000000 | txout index (0)
# fd | script length (253)
# 4d024d080254455354585858580000001e5a21aad6000000000000000000000000 | tx_script
# 54686520717569636b2062726f776e20666f78206a756d706564206f76657220746865206c617a7920646f672e20 | ...
# 54686520717569636b2062726f776e20666f78206a756d706564206f76657220746865206c617a7920646f672e20 | ...
# 54686520717569636b2062726f776e20666f78206a756d706564206f76657220746865206c617a7920646f672e20 | ...
# 54686520717569636b2062726f776e20666f78206a756d706564206f76657220746865206c617a7920646f672e20 | ...
# 54686520717569636b2062726f776e20666f78206a756d706564206f76657220746865206c617a7920646f672e20 | ...
# 54686520717569636b2062726f776e20666f78206a756d706564206f76657220746865206c617a7920646f672e20 | ...
# 54686520717569636b2062726f776e20666f78206a756d706564206f76657220746865206c617a7920646f672e20 | ...
# 54686520717569636b2062726f776e20666f78206a756d706564206f76657220746865206c617a7920646f672e20 | ...
# 54686520717569636b2062726f776e20666f78206a756d706564206f76657220746865206c617a7920646f672e20 | ...
# 54686520717569636b2062726f776e20666f78206a756d706564206f76657220746865206c617a7920646f672e20 | ...
# 54686520717569636b2062726f776e20666f78206a756d706564206f766572202975210282b886c087eb37dc8182 | ...
# f14ba6cc3e9485ed618b95804d44aecc17c300b585b0ad007574008717a9147698101f9b9e5cdf0a0e11c2972dbc | ...
# 4860f374bf87 | ...
# ffffffff | Sequence
# f33f677de4180f1b0c261a991974c57de97f082a7e62332b77ec5d193d13d1a3 | txout hash
# 01000000 | txout index (1)
# 87 | script length (135)
# 445445535458585858746865206c617a7920646f672e20 | tx_script
# 54686520717569636b2062726f776e20666f78206a756d706564206f76657220746865206c617a7920646f672e202975 | ...
# 210282b886c087eb37dc8182f14ba6cc3e9485ed618b95804d44aecc17c300b585b0ad517574008717a914676d587edf | ...
# 25cf01d3b153ff0b71f5e9b622386387 | ...
# ffffffff | Sequence
# 01 | number of outputs
# 0000000000000000 | output 1 value (0)
# 0e | output 1 length (14 bytes)
# 6a0c8a5dda15fb6f0562da344d2f | output 1 script
# 00000000 | locktime
# verify parsed result
parsed_source, parsed_destination, parsed_btc_amount, parsed_fee, parsed_data, extra = blocks._get_tx_info(
datatxhex)
assert parsed_source == source
assert parsed_data == binascii.unhexlify(
"0000001e5a21aad6000000000000000000000000"
) + b'The quick brown fox jumped over the lazy dog. The quick brown fox jumped over the lazy dog. The quick brown fox jumped over the lazy dog. The quick brown fox jumped over the lazy dog. The quick brown fox jumped over the lazy dog. The quick brown fox jumped over the lazy dog. The quick brown fox jumped over the lazy dog. The quick brown fox jumped over the lazy dog. The quick brown fox jumped over the lazy dog. The quick brown fox jumped over the lazy dog. The quick brown fox jumped over the lazy dog. The quick brown fox jumped over the lazy dog. ' # ID=enhanced_send(0x1e) ASSET=XCP(0x01) VALUE=100(0x64) destination_pubkey(0x6f8d...d6ec)
assert parsed_btc_amount == 0
assert parsed_fee == expected_datatx_fee_rounded