def test_sign_transaction(self):
tx = Tx(version=1,
in_list=[TxIn(previous_output=Outpoint(hash=Uint256.from_hexstr("d2a42ebcb98b598ddcb6d430ce9061dba76804a97f7c1413dd3faef744f909a8"),index=0),
script=Script(instructions=[]),
sequence=4294967295),TxIn(previous_output=Outpoint(hash=Uint256.from_hexstr("2be8e319be1d15c1ba54708bdd7969b638e7e6fa2154819136e363ea6d33664a"),index=1),
script=Script(instructions=[]),
sequence=4294967295)],
out_list=[TxOut(value=3315075843,
script=Script(instructions=[Instruction(OP_DUP),Instruction(OP_HASH160),Instruction(20, decodehexstr("297c5a2ee31a1ab721115722d83f8654ca21d5df")),Instruction(OP_EQUALVERIFY),Instruction(OP_CHECKSIG)])),TxOut(value=2971972133,
script=Script(instructions=[Instruction(OP_DUP),Instruction(OP_HASH160),Instruction(20, decodehexstr("7d5feab86e31e8fc99d8e735d56226de9043e5fc")),Instruction(OP_EQUALVERIFY),Instruction(OP_CHECKSIG)])),TxOut(value=1046301823,
script=Script(instructions=[Instruction(OP_DUP),Instruction(OP_HASH160),Instruction(20, decodehexstr("fd91232a2fa0c389fa0188efde26c8a6165f4c50")),Instruction(OP_EQUALVERIFY),Instruction(OP_CHECKSIG)]))],
locktime=0)
outscript0 = Script(instructions=[Instruction(33, decodehexstr("03409fe679bdff9e801692c999b86d0c47b62dc02cdd10591ee70ca8056cd05023")),Instruction(OP_CHECKSIG)])
outscript1 = Script(instructions=[Instruction(OP_DUP),Instruction(OP_HASH160),Instruction(20, decodehexstr("5fb7fdb3d1ab0f3fec90b38417cca8ab736b10c6")),Instruction(OP_EQUALVERIFY),Instruction(OP_CHECKSIG)])
# Sign TX_PUBKEY
sign_transaction(tx,
[TxOut(None, outscript0), TxOut(None, outscript1)],
[decodehexstr("f006b27418527b1c400bbc434a3f22ee57c376bd4819cfe2a1162682788ae714"),
decodehexstr("c693115901c2840badd1e404706a4866a90d3afa16a542c1a3d0de9aad0875fe")])
vm = TxValidationVM()
valid, reason = vm.validate(tx, 0, outscript0, tx.in_list[0].script)
if not valid:
raise Exception(reason)
valid, reason = vm.validate(tx, 1, outscript1, tx.in_list[1].script)
if not valid:
raise Exception(reason)
def rebuild_template(self):
"""Rebuild a version 2 blockheader and serialize it.
oldest satoshi client coinbase script contains:
nBits, bnExtraNonce (nBits = GetNextWorkRequired(pindexPrev);)
later timestamp was used instead of "bits" to ensure coinbase txn is unique even if address is the same (github:83f4cd156e9d52bd7c4351336dfa4806a43ee4e4=.
now in version 2 blocks the height is included instead of the timestamp.
"""
coinbase_script = Script(
[push_bignum_instruction(self.block_height)] +
[push_bignum_instruction(self.extra_nonce)] +
[push_data_instruction(flag) for flag in self.coinbase_flags])
coinbase_txin = TxIn(Outpoint.null(),
coinbase_script,
sequence=TxIn.NSEQUENCE_FINAL)
coinbase_tx = Tx(version=1,
in_list=[coinbase_txin],
out_list=self.coinbase_txout_list,
locktime=0)
self.block_transactions = [coinbase_tx] + self.transactions
self.blockheader = BlockHeader(version=2,
hash_prev=self.hash_prev,
hash_merkle=compute_merkle_root(
self.block_transactions),
time=self.time,
bits=self.bits,
nonce=self.nonce)
self.serialized = self.serializer.serialize(self.blockheader)
def test_tx_deserialize(self):
tx, _ = TxSerializer().deserialize(
decodehexstr(
"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"
))
tx_expected = Tx(
version=1,
in_list=[
TxIn(previous_output=Outpoint(hash=Uint256.from_hexstr(
"17c5cb687ba453ab65e12cdc0d8721c70ab4678665eb200c50cb9f1e3207090e"
),
index=0),
script=Script([
Instruction(
72,
decodehexstr(
"3045022100ab2dc8932ca1d26f4cdac1feae09020a60ccc4d17b14e5fc5b21f3ab8c3a9cee022040a7208c172d19a19902280d66201c7fe2c3d8b2df7e23cc4e5b70fd52ecba2c01"
)),
Instruction(
65,
decodehexstr(
"04b77dd1f3a21cb3d067a7e76982a609d7310f8692f5d61346f3225323c425604a0c12862755335c49e392673106adfc5dfdee1e4d367f10353e8911fac687db3e"
))
]),
sequence=TxIn.NSEQUENCE_FINAL)
],
out_list=[
TxOut(value=24990000000,
script=Script([
Instruction(OP_DUP),
Instruction(OP_HASH160),
Instruction(
20,
decodehexstr(
"4d8b17fbce571614be89df4bd872de892a479844")),
Instruction(OP_EQUALVERIFY),
Instruction(OP_CHECKSIG)
])),
TxOut(value=5000000000,
script=Script([
Instruction(OP_DUP),
Instruction(OP_HASH160),
Instruction(
20,
decodehexstr(
"fadad27c40adbe230f5e3c04d44a292975084831")),
Instruction(OP_EQUALVERIFY),
Instruction(OP_CHECKSIG)
]))
],
locktime=0)
self.assertEquals(tx, tx_expected)
def create_pubkeyhash_transaction(output_list, address, change_adress, amount,
fee):
amount_in = sum(txout.value for outpoint, txout in output_list)
amount_change = int(amount_in - amount - fee)
#assert amount_change > 0
in_list = [
TxIn(previous_output=outpoint, script=Script([]))
for outpoint, txout in output_list
]
out_list = [
TxOut(value=amount, script=make_script_pubkeyhash(address)),
TxOut(value=amount_change,
script=make_script_pubkeyhash(change_adress))
]
return Tx(version=1, in_list=in_list, out_list=out_list, locktime=0)
from coinpy.model.protocol.structures.blockheader import BlockHeader
from coinpy.model.protocol.structures.block import Block
from coinpy.model.scripts.script import Script
from coinpy.model.protocol.structures.tx_out import TxOut
from coinpy.lib.blocks.hash_block import hash_block
blockchain_5blocks_unitnet = [Block(blockheader=BlockHeader(version=2,
hash_prev=Uint256.from_hexstr("0000000000000000000000000000000000000000000000000000000000000000"),
hash_merkle=Uint256.from_hexstr("cf7ac9a3b387cf5e9fc14e03e2a5bbfc16d1ba00d2af6c96869ab4da949bd240"),
time=1356446436,
bits=524287999,
nonce=1260),
transactions=[Tx(version=1,
in_list=[TxIn(previous_output=Outpoint(hash=Uint256.from_hexstr("0000000000000000000000000000000000000000000000000000000000000000"),index=4294967295),
script=Script(instructions=[Instruction(OP_0),Instruction(OP_0),Instruction(6, decodehexstr("2f503253482f")),Instruction(69, decodehexstr("5468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73"))]),
sequence=4294967295)],
out_list=[TxOut(value=5000000000,
script=Script(instructions=[Instruction(65, decodehexstr("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f")),Instruction(OP_CHECKSIG)]))],
locktime=0)]),
Block(blockheader=BlockHeader(version=2,
hash_prev=Uint256.from_hexstr("003ee3cf880906caa5662f10d4b4fb1c86c1853230dee8a7b8a62f434c73da5f"),
hash_merkle=Uint256.from_hexstr("ef4bfb7cdb962b4d04e3828e4e0a4c09322ae065fa34c2c81ef7d0e0273ec5eb"),
time=1356447036,
bits=524287999,
nonce=905),
transactions=[Tx(version=1,
in_list=[TxIn(previous_output=Outpoint(hash=Uint256.from_hexstr("0000000000000000000000000000000000000000000000000000000000000000"),index=4294967295),
script=Script(instructions=[Instruction(1, decodehexstr("01")),Instruction(OP_0),Instruction(6, decodehexstr("2f503253482f"))]),
sequence=4294967295)],
out_list=[TxOut(value=5000000000,
script=Script(instructions=[Instruction(33, decodehexstr("026c692c42022ebbd12019bbf50051e1640688ec0ae49044ddf3dc42693bcdf5bd")),Instruction(OP_CHECKSIG)]))],
def deserialize(self, data, cursor=0):
(version, in_list, out_list,
locktime), new_cursor = self.TX.deserialize(data, cursor)
tx = Tx(version, in_list, out_list, locktime)
tx.rawdata = data[cursor:new_cursor]
return (tx, new_cursor)
def checksig(vm, sig_param, pubkey_param):
transaction, inputindex, unspent_script = vm.checksig_data
#Hash type is the last byte of the signature
hash_type, sig = ord(sig_param[-1]), sig_param[:-1]
# last 5 bits of hash_type : 1=SIGHASH_ALL,2=SIGHASH_NONE, 3=SIGHASH_SINGLE
# SIGHASH_ANYONECANPAY = 0x80
# For performance reasons no full copy is made of the transaction
# although it would be simpler to read.
# e.g. tx_tmp = copy.deepcopy(transaction)
# The input scripts are saved and then restored.
tx_tmp = Tx(transaction.version,
[TxIn(txin.previous_output, txin.script, txin.sequence) for txin in transaction.in_list],
[TxOut(txout.value, txout.script) for txout in transaction.out_list],
transaction.locktime)
#Save input scripts to restore them later
#inlist = transaction.in_list
#outlist = transaction.out_list
#inscripts = [txin.script for txin in transaction.in_list]
#TODO: blank out ouputs depending of hash_type (SIGHASH_NONE, SIGHASH_SINGLE)
if (hash_type & SIGHASH_MASK == SIGHASH_NONE):
tx_tmp.out_list = []
if (hash_type & SIGHASH_MASK == SIGHASH_SINGLE):
if (inputindex > len(tx_tmp.out_list)):
raise Exception("OP_CHECKSIG: no corresponding output for input %d using SIGHASH_SINGLE " % (inputindex))
#n-1 empty TxOuts + original Txout
tx_tmp.out_list = [TxOut(-1, Script([])) for _ in range(inputindex)] + \
[tx_tmp.out_list[inputindex]]
if (hash_type & SIGHASH_MASK == SIGHASH_SINGLE or
hash_type & SIGHASH_MASK == SIGHASH_NONE):
# let others update at will
for i in range(len(tx_tmp.in_list)):
if i != inputindex:
tx_tmp.in_list[i].sequence = 0
#blank out other inputs in case of SIGHASH_ANYONECANPAY
if (hash_type & SIGHASH_ANYONECANPAY):
tx_tmp.in_list = [tx_tmp.in_list[inputindex]]
inputindex = 0
#blank out input scripts
for txin in tx_tmp.in_list:
txin.script = Script([])
#except the current one that is replaced by the signed part (e.g. from the last OP_CODESEPARATOR)
# of current_script with signature push_data removed
# note: only 'optimal' push_data instructions with the same signature are removed
current_script = Script(filter(lambda instr: instr!=push_data_instruction(sig_param),
vm.current_script.signed_part().instructions))
tx_tmp.in_list[inputindex].script = current_script
#serialize and append hash type
enctx = TxSerializer().serialize(tx_tmp) + chr(hash_type) + b"\x00\x00\x00"
#print "enctx:", hexstr(enctx)
#print "sig:", hexstr(sig)
#print "pubkey:", hexstr(pubkey_param)
#Get hash
hash = doublesha256(enctx)
#Verify
key = KEY()
key.set_pubkey(pubkey_param)
#ECDSA_verify: 1 = OK, 0=NOK, -1=ERROR
result = key.verify(hash, sig) == 1
if not result:
pass
#Restore transaction scripts
#for txin, script in zip(inlist,inscripts):
# txin.script = script
#transaction.in_list = inlist
return (result)
def checksig(vm, sig_param, pubkey_param):
transaction, inputindex, unspent_script = vm.checksig_data
#Hash type is the last byte of the signature
hash_type, sig = ord(sig_param[-1]), sig_param[:-1]
# last 5 bits of hash_type : 1=SIGHASH_ALL,2=SIGHASH_NONE, 3=SIGHASH_SINGLE
# SIGHASH_ANYONECANPAY = 0x80
# For performance reasons no full copy is made of the transaction
# although it would be simpler to read.
# e.g. tx_tmp = copy.deepcopy(transaction)
# The input scripts are saved and then restored.
tx_tmp = Tx(transaction.version, [
TxIn(txin.previous_output, txin.script, txin.sequence)
for txin in transaction.in_list
], [TxOut(txout.value, txout.script) for txout in transaction.out_list],
transaction.locktime)
#Save input scripts to restore them later
#inlist = transaction.in_list
#outlist = transaction.out_list
#inscripts = [txin.script for txin in transaction.in_list]
#TODO: blank out ouputs depending of hash_type (SIGHASH_NONE, SIGHASH_SINGLE)
if (hash_type & SIGHASH_MASK == SIGHASH_NONE):
tx_tmp.out_list = []
if (hash_type & SIGHASH_MASK == SIGHASH_SINGLE):
if (inputindex > len(tx_tmp.out_list)):
raise Exception(
"OP_CHECKSIG: no corresponding output for input %d using SIGHASH_SINGLE "
% (inputindex))
#n-1 empty TxOuts + original Txout
tx_tmp.out_list = [TxOut(-1, Script([])) for _ in range(inputindex)] + \
[tx_tmp.out_list[inputindex]]
if (hash_type & SIGHASH_MASK == SIGHASH_SINGLE
or hash_type & SIGHASH_MASK == SIGHASH_NONE):
# let others update at will
for i in range(len(tx_tmp.in_list)):
if i != inputindex:
tx_tmp.in_list[i].sequence = 0
#blank out other inputs in case of SIGHASH_ANYONECANPAY
if (hash_type & SIGHASH_ANYONECANPAY):
tx_tmp.in_list = [tx_tmp.in_list[inputindex]]
inputindex = 0
#blank out input scripts
for txin in tx_tmp.in_list:
txin.script = Script([])
#except the current one that is replaced by the signed part (e.g. from the last OP_CODESEPARATOR)
# of current_script with signature push_data removed
# note: only 'optimal' push_data instructions with the same signature are removed
current_script = Script(
filter(lambda instr: instr != push_data_instruction(sig_param),
vm.current_script.signed_part().instructions))
tx_tmp.in_list[inputindex].script = current_script
#serialize and append hash type
enctx = TxSerializer().serialize(tx_tmp) + chr(hash_type) + b"\x00\x00\x00"
#print "enctx:", hexstr(enctx)
#print "sig:", hexstr(sig)
#print "pubkey:", hexstr(pubkey_param)
#Get hash
hash = doublesha256(enctx)
#Verify
key = KEY()
key.set_pubkey(pubkey_param)
#ECDSA_verify: 1 = OK, 0=NOK, -1=ERROR
result = key.verify(hash, sig) == 1
if not result:
pass
#Restore transaction scripts
#for txin, script in zip(inlist,inscripts):
# txin.script = script
#transaction.in_list = inlist
return (result)
def test_merkletx_deserialize(self):
# This is tx 37 of block 429 on testnet3
merkle_tx_data = "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"
expected_merkle_tx = MerkleTx(
Tx(version=1,
in_list=[
TxIn(previous_output=Outpoint(hash=Uint256.from_hexstr(
"88c844570a227fe89d82e4e20d41576b95df8aa790a799bf7114dbed83b788b0"
),
index=0),
script=Script(instructions=[
Instruction(
72,
decodehexstr(
"3045022100813a4dfdfda02946bf9fddc59ffd0b8d2feaa618518a3015fd5e65dd88a0d4480220137b25ea7531e103405bfe1617cb92f524e88c86e66a79c1e3c62558d019528201"
)),
Instruction(
33,
decodehexstr(
"03cf163e38520a7b390305528eca2fa1c620f0da225a044017fd92b30067875dc8"
))
]),
sequence=4294967295)
],
out_list=[
TxOut(value=4899704976,
script=Script(instructions=[
Instruction(OP_DUP),
Instruction(OP_HASH160),
Instruction(
20,
decodehexstr(
"10170e3f7c3b0c93d2e07e90e307d3fb21811702"
)),
Instruction(OP_EQUALVERIFY),
Instruction(OP_CHECKSIG)
])),
TxOut(value=887733,
script=Script(instructions=[
Instruction(OP_HASH160),
Instruction(
20,
decodehexstr(
"184cd0a38ac3b1357d07179553788375a9e8a3b8"
)),
Instruction(OP_EQUAL)
]))
],
locktime=0),
blockhash=Uint256.from_hexstr(
"00000000e080223655db52d2c35a37f6aa17a3f2efefa6794fd9831374cff09f"
),
merkle_branch=[
Uint256.from_hexstr(
"88c844570a227fe89d82e4e20d41576b95df8aa790a799bf7114dbed83b788b0"
),
Uint256.from_hexstr(
"225dd6a6857be59dbf2d72d4d5cca1325053dd66a9c3a35a16c51de04a1b0d03"
),
Uint256.from_hexstr(
"74f79002e7c2cbbf40581aa56d8037cb32844d34ae049629a757b6ff709a10fa"
),
Uint256.from_hexstr(
"02099d8b6bf46c3f87ccc922dec8c18a9dc420e17ebc672030145bd8ee33ab34"
),
Uint256.from_hexstr(
"15b202c47b1ad2638c4ea260611839be7cdf15e13e6de50861f41e46a5e9f8cf"
),
Uint256.from_hexstr(
"007e2166afda37ce696e971ac530a7cc22e183b37acf57c79cb0ee21a9de2179"
),
Uint256.from_hexstr(
"a7d06d9452a65fae2662ae63c9b450ba4ce22dfab76d22624a95d97d294421d4"
)
],
nindex=37)
self.assertEquals(
MerkleTxSerializer().deserialize(decodehexstr(merkle_tx_data))[0],
expected_merkle_tx)
def test_block_serialize(self):
blockheader = BlockHeader(
version=1,
hash_prev=Uint256.from_hexstr(
"000000000fec081581146e8b16b275bfa52150ac4174a246cdf62694671ea7a3"
),
hash_merkle=Uint256.from_hexstr(
"0d9da162550fc45b1aaa00e933b23b3cbc7f37a9b2d2070d61235eaec11a926a"
),
time=1301129903,
bits=470809215,
nonce=1280448751)
tx1 = Tx(
version=1,
in_list=[
TxIn(previous_output=Outpoint.null(),
script=Script([
Instruction(4, decodehexstr("7ffa0f1c")),
Instruction(1, decodehexstr("4e"))
]),
sequence=TxIn.NSEQUENCE_FINAL)
],
out_list=[
TxOut(
value=5002000000,
script=Script([
Instruction(
65,
decodehexstr(
"049cc3cae30927c40598032044b9e9e25f4739b0d7ade62803f5e9cf075debc817e6d29f42c70d0a1beb1c904eaaa50ef885b011f9fbaa16ef288a7ad193e11567"
)),
Instruction(OP_CHECKSIG)
]))
],
locktime=0)
tx2 = Tx(
version=1,
in_list=[
TxIn(previous_output=Outpoint(hash=Uint256.from_hexstr(
"17c5cb687ba453ab65e12cdc0d8721c70ab4678665eb200c50cb9f1e3207090e"
),
index=0),
script=Script([
Instruction(
72,
decodehexstr(
"3045022100ab2dc8932ca1d26f4cdac1feae09020a60ccc4d17b14e5fc5b21f3ab8c3a9cee022040a7208c172d19a19902280d66201c7fe2c3d8b2df7e23cc4e5b70fd52ecba2c01"
)),
Instruction(
65,
decodehexstr(
"04b77dd1f3a21cb3d067a7e76982a609d7310f8692f5d61346f3225323c425604a0c12862755335c49e392673106adfc5dfdee1e4d367f10353e8911fac687db3e"
))
]),
sequence=TxIn.NSEQUENCE_FINAL)
],
out_list=[
TxOut(value=24990000000,
script=Script([
Instruction(OP_DUP),
Instruction(OP_HASH160),
Instruction(
20,
decodehexstr(
"4d8b17fbce571614be89df4bd872de892a479844")),
Instruction(OP_EQUALVERIFY),
Instruction(OP_CHECKSIG)
])),
TxOut(value=5000000000,
script=Script([
Instruction(OP_DUP),
Instruction(OP_HASH160),
Instruction(
20,
decodehexstr(
"fadad27c40adbe230f5e3c04d44a292975084831")),
Instruction(OP_EQUALVERIFY),
Instruction(OP_CHECKSIG)
]))
],
locktime=0)
blk = Block(blockheader, [tx1, tx2])
data = BlockSerializer().serialize(blk)
self.assertEquals(
data,
decodehexstr(
"01000000a3a71e679426f6cd46a27441ac5021a5bf75b2168b6e14811508ec0f000000006a921ac1ae5e23610d07d2b2a9377fbc3c3bb233e900aa1a5bc40f5562a19d0dafaa8d4d7ffa0f1cef18524c0201000000010000000000000000000000000000000000000000000000000000000000000000ffffffff07047ffa0f1c014effffffff018076242a010000004341049cc3cae30927c40598032044b9e9e25f4739b0d7ade62803f5e9cf075debc817e6d29f42c70d0a1beb1c904eaaa50ef885b011f9fbaa16ef288a7ad193e11567ac0000000001000000010e0907321e9fcb500c20eb658667b40ac721870ddc2ce165ab53a47b68cbc517000000008b483045022100ab2dc8932ca1d26f4cdac1feae09020a60ccc4d17b14e5fc5b21f3ab8c3a9cee022040a7208c172d19a19902280d66201c7fe2c3d8b2df7e23cc4e5b70fd52ecba2c014104b77dd1f3a21cb3d067a7e76982a609d7310f8692f5d61346f3225323c425604a0c12862755335c49e392673106adfc5dfdee1e4d367f10353e8911fac687db3effffffff02802385d1050000001976a9144d8b17fbce571614be89df4bd872de892a47984488ac00f2052a010000001976a914fadad27c40adbe230f5e3c04d44a29297508483188ac00000000"
))
def deserialize(self, data, cursor=0):
(version, in_list, out_list, locktime), new_cursor = self.TX.deserialize(data, cursor)
tx = Tx(version, in_list, out_list, locktime)
tx.rawdata = data[cursor:new_cursor]
return (tx, new_cursor)
push_data_instruction
from coinpy.lib.transactions.merkle_tree import compute_merkle_root
from coinpy.lib.serialization.scripts.serialize import ScriptSerializer
GENESIS_MAIN = Block(
BlockHeader(1,
Uint256.from_hexstr("0000000000000000000000000000000000000000000000000000000000000000"), #hash_prev
Uint256.from_hexstr("4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"), #merkle
1231006505, #time
486604799, #bits
2083236893), #nonce
[Tx(1, #version
[TxIn(Outpoint(Uint256.from_hexstr("0000000000000000000000000000000000000000000000000000000000000000"), 4294967295),
Script([push_bignum_instruction(486604799), #bits
push_bignum_instruction(4), #extra_nonce
push_data_instruction("The Times 03/Jan/2009 Chancellor on brink of second bailout for banks")]), #script
4294967295) ], #inlist
[TxOut(5000000000, #value
Script([push_data_instruction(decodehexstr("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f")),Instruction(OP_CHECKSIG)]))],
0) #locktime
])
GENESIS_TESTNET = Block(
BlockHeader(1,
Uint256.from_hexstr("0000000000000000000000000000000000000000000000000000000000000000"), #hash_prev
Uint256.from_hexstr("4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"), #merkle
1296688602, #time
487063544, #bits
384568319), #nonce
[Tx(1, #version
[TxIn(Outpoint(Uint256.from_hexstr("0000000000000000000000000000000000000000000000000000000000000000"), 4294967295),