forked from LBRYCommunity/lbry-sdk
251 lines
9.8 KiB
Python
251 lines
9.8 KiB
Python
from binascii import hexlify, unhexlify
|
|
from twisted.trial import unittest
|
|
|
|
from torba.account import Account
|
|
from torba.constants import CENT, COIN
|
|
from torba.wallet import Wallet
|
|
|
|
from lbrynet.wallet.coin import LBC
|
|
from lbrynet.wallet.transaction import Transaction, Output, Input
|
|
from lbrynet.wallet.manager import LbryWalletManager
|
|
|
|
|
|
NULL_HASH = '\x00'*32
|
|
FEE_PER_BYTE = 50
|
|
FEE_PER_CHAR = 200000
|
|
|
|
|
|
def get_output(amount=CENT, pubkey_hash=NULL_HASH):
|
|
return Transaction() \
|
|
.add_outputs([Output.pay_pubkey_hash(amount, pubkey_hash)]) \
|
|
.outputs[0]
|
|
|
|
|
|
def get_input():
|
|
return Input.spend(get_output())
|
|
|
|
|
|
def get_transaction(txo=None):
|
|
return Transaction() \
|
|
.add_inputs([get_input()]) \
|
|
.add_outputs([txo or Output.pay_pubkey_hash(CENT, NULL_HASH)])
|
|
|
|
|
|
def get_claim_transaction(claim_name, claim=''):
|
|
return get_transaction(
|
|
Output.pay_claim_name_pubkey_hash(CENT, claim_name, claim, NULL_HASH)
|
|
)
|
|
|
|
|
|
def get_wallet_and_coin():
|
|
ledger = LbryWalletManager().get_or_create_ledger(LBC.get_id())
|
|
coin = LBC(ledger)
|
|
return Wallet('Main', [coin], [Account.generate(coin, u'lbryum')]), coin
|
|
|
|
|
|
class TestSizeAndFeeEstimation(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.wallet, self.coin = get_wallet_and_coin()
|
|
|
|
def io_fee(self, io):
|
|
return self.coin.get_input_output_fee(io)
|
|
|
|
def test_output_size_and_fee(self):
|
|
txo = get_output()
|
|
self.assertEqual(txo.size, 46)
|
|
self.assertEqual(self.io_fee(txo), 46 * FEE_PER_BYTE)
|
|
|
|
def test_input_size_and_fee(self):
|
|
txi = get_input()
|
|
self.assertEqual(txi.size, 148)
|
|
self.assertEqual(self.io_fee(txi), 148 * FEE_PER_BYTE)
|
|
|
|
def test_transaction_size_and_fee(self):
|
|
tx = get_transaction()
|
|
base_size = tx.size - 1 - tx.inputs[0].size
|
|
self.assertEqual(tx.size, 204)
|
|
self.assertEqual(tx.base_size, base_size)
|
|
self.assertEqual(self.coin.get_transaction_base_fee(tx), FEE_PER_BYTE * base_size)
|
|
|
|
def test_claim_name_transaction_size_and_fee(self):
|
|
# fee based on claim name is the larger fee
|
|
claim_name = 'verylongname'
|
|
tx = get_claim_transaction(claim_name, '0'*4000)
|
|
base_size = tx.size - 1 - tx.inputs[0].size
|
|
self.assertEqual(tx.size, 4225)
|
|
self.assertEqual(tx.base_size, base_size)
|
|
self.assertEqual(self.coin.get_transaction_base_fee(tx), len(claim_name) * FEE_PER_CHAR)
|
|
# fee based on total bytes is the larger fee
|
|
claim_name = 'a'
|
|
tx = get_claim_transaction(claim_name, '0'*4000)
|
|
base_size = tx.size - 1 - tx.inputs[0].size
|
|
self.assertEqual(tx.size, 4214)
|
|
self.assertEqual(tx.base_size, base_size)
|
|
self.assertEqual(self.coin.get_transaction_base_fee(tx), FEE_PER_BYTE * base_size)
|
|
|
|
|
|
class TestTransactionSerialization(unittest.TestCase):
|
|
|
|
def test_genesis_transaction(self):
|
|
raw = unhexlify(
|
|
"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff1f0"
|
|
"4ffff001d010417696e736572742074696d657374616d7020737472696e67ffffffff01000004bfc91b8e"
|
|
"001976a914345991dbf57bfb014b87006acdfafbfc5fe8292f88ac00000000"
|
|
)
|
|
tx = Transaction(raw)
|
|
self.assertEqual(tx.version, 1)
|
|
self.assertEqual(tx.locktime, 0)
|
|
self.assertEqual(len(tx.inputs), 1)
|
|
self.assertEqual(len(tx.outputs), 1)
|
|
|
|
coinbase = tx.inputs[0]
|
|
self.assertEqual(coinbase.output_txid, NULL_HASH)
|
|
self.assertEqual(coinbase.output_index, 0xFFFFFFFF)
|
|
self.assertEqual(coinbase.sequence, 0xFFFFFFFF)
|
|
self.assertTrue(coinbase.is_coinbase)
|
|
self.assertEqual(coinbase.script, None)
|
|
self.assertEqual(
|
|
hexlify(coinbase.coinbase),
|
|
b'04ffff001d010417696e736572742074696d657374616d7020737472696e67'
|
|
)
|
|
|
|
out = tx.outputs[0]
|
|
self.assertEqual(out.amount, 40000000000000000)
|
|
self.assertEqual(out.index, 0)
|
|
self.assertTrue(out.script.is_pay_pubkey_hash)
|
|
self.assertFalse(out.script.is_pay_script_hash)
|
|
self.assertFalse(out.script.is_claim_involved)
|
|
|
|
tx._reset()
|
|
self.assertEqual(tx.raw, raw)
|
|
|
|
def test_coinbase_transaction(self):
|
|
raw = unhexlify(
|
|
"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff200"
|
|
"34d520504f89ac55a086032d217bf0700000d2f6e6f64655374726174756d2f0000000001a03489850800"
|
|
"00001976a914cfab870d6deea54ca94a41912a75484649e52f2088ac00000000"
|
|
)
|
|
tx = Transaction(raw)
|
|
self.assertEqual(tx.version, 1)
|
|
self.assertEqual(tx.locktime, 0)
|
|
self.assertEqual(len(tx.inputs), 1)
|
|
self.assertEqual(len(tx.outputs), 1)
|
|
|
|
coinbase = tx.inputs[0]
|
|
self.assertEqual(coinbase.output_txid, NULL_HASH)
|
|
self.assertEqual(coinbase.output_index, 0xFFFFFFFF)
|
|
self.assertEqual(coinbase.sequence, 0)
|
|
self.assertTrue(coinbase.is_coinbase)
|
|
self.assertEqual(coinbase.script, None)
|
|
self.assertEqual(
|
|
hexlify(coinbase.coinbase),
|
|
b'034d520504f89ac55a086032d217bf0700000d2f6e6f64655374726174756d2f'
|
|
)
|
|
|
|
out = tx.outputs[0]
|
|
self.assertEqual(out.amount, 36600100000)
|
|
self.assertEqual(out.index, 0)
|
|
self.assertTrue(out.script.is_pay_pubkey_hash)
|
|
self.assertFalse(out.script.is_pay_script_hash)
|
|
self.assertFalse(out.script.is_claim_involved)
|
|
|
|
tx._reset()
|
|
self.assertEqual(tx.raw, raw)
|
|
|
|
def test_claim_transaction(self):
|
|
raw = unhexlify(
|
|
"01000000012433e1b327603843b083344dbae5306ff7927f87ebbc5ae9eb50856c5b53fd1d000000006a4"
|
|
"7304402201a91e1023d11c383a11e26bf8f9034087b15d8ada78fa565e0610455ffc8505e0220038a63a6"
|
|
"ecb399723d4f1f78a20ddec0a78bf8fb6c75e63e166ef780f3944fbf0121021810150a2e4b088ec51b20c"
|
|
"be1b335962b634545860733367824d5dc3eda767dffffffff028096980000000000fdff00b50463617473"
|
|
"4cdc080110011a7808011230080410011a084d616361726f6e6922002a003214416c6c207269676874732"
|
|
"072657365727665642e38004a0052005a001a42080110011a30add80aaf02559ba09853636a0658c42b72"
|
|
"7cb5bb4ba8acedb4b7fe656065a47a31878dbf9912135ddb9e13806cc1479d220a696d6167652f6a70656"
|
|
"72a5c080110031a404180cc0fa4d3839ee29cca866baed25fafb43fca1eb3b608ee889d351d3573d042c7"
|
|
"b83e2e643db0d8e062a04e6e9ae6b90540a2f95fe28638d0f18af4361a1c2214f73de93f4299fb32c32f9"
|
|
"49e02198a8e91101abd6d7576a914be16e4b0f9bd8f6d47d02b3a887049c36d3b84cb88ac0cd2520b0000"
|
|
"00001976a914f521178feb733a719964e1da4a9efb09dcc39cfa88ac00000000"
|
|
)
|
|
tx = Transaction(raw)
|
|
self.assertEqual(hexlify(tx.id), b'666c3d15de1d6949a4fe717126c368e274b36957dce29fd401138c1e87e92a62')
|
|
self.assertEqual(tx.version, 1)
|
|
self.assertEqual(tx.locktime, 0)
|
|
self.assertEqual(len(tx.inputs), 1)
|
|
self.assertEqual(len(tx.outputs), 2)
|
|
|
|
txin = tx.inputs[0]
|
|
self.assertEqual(
|
|
hexlify(txin.output_txid[::-1]),
|
|
b'1dfd535b6c8550ebe95abceb877f92f76f30e5ba4d3483b043386027b3e13324'
|
|
)
|
|
self.assertEqual(txin.output_index, 0)
|
|
self.assertEqual(txin.sequence, 0xFFFFFFFF)
|
|
self.assertFalse(txin.is_coinbase)
|
|
self.assertEqual(txin.script.template.name, 'pubkey_hash')
|
|
self.assertEqual(
|
|
hexlify(txin.script.values['pubkey']),
|
|
b'021810150a2e4b088ec51b20cbe1b335962b634545860733367824d5dc3eda767d'
|
|
)
|
|
self.assertEqual(
|
|
hexlify(txin.script.values['signature']),
|
|
b'304402201a91e1023d11c383a11e26bf8f9034087b15d8ada78fa565e0610455ffc8505e0220038a63a6'
|
|
b'ecb399723d4f1f78a20ddec0a78bf8fb6c75e63e166ef780f3944fbf01'
|
|
)
|
|
|
|
# Claim
|
|
out0 = tx.outputs[0]
|
|
self.assertEqual(out0.amount, 10000000)
|
|
self.assertEqual(out0.index, 0)
|
|
self.assertTrue(out0.script.is_pay_pubkey_hash)
|
|
self.assertTrue(out0.script.is_claim_name)
|
|
self.assertTrue(out0.script.is_claim_involved)
|
|
self.assertEqual(out0.script.values['claim_name'], b'cats')
|
|
self.assertEqual(
|
|
hexlify(out0.script.values['pubkey_hash']),
|
|
b'be16e4b0f9bd8f6d47d02b3a887049c36d3b84cb'
|
|
)
|
|
|
|
# Change
|
|
out1 = tx.outputs[1]
|
|
self.assertEqual(out1.amount, 189977100)
|
|
self.assertEqual(out1.index, 1)
|
|
self.assertTrue(out1.script.is_pay_pubkey_hash)
|
|
self.assertFalse(out1.script.is_claim_involved)
|
|
self.assertEqual(
|
|
hexlify(out1.script.values['pubkey_hash']),
|
|
b'f521178feb733a719964e1da4a9efb09dcc39cfa'
|
|
)
|
|
|
|
tx._reset()
|
|
self.assertEqual(tx.raw, raw)
|
|
|
|
|
|
class TestTransactionSigning(unittest.TestCase):
|
|
|
|
def test_sign(self):
|
|
ledger = LbryWalletManager().get_or_create_ledger(LBC.get_id())
|
|
coin = LBC(ledger)
|
|
wallet = Wallet('Main', [coin], [Account.from_seed(
|
|
coin, u'carbon smart garage balance margin twelve chest sword toast envelope bottom sto'
|
|
u'mach absent', u'lbryum'
|
|
)])
|
|
account = wallet.default_account
|
|
|
|
address1 = account.receiving_keys.generate_next_address()
|
|
address2 = account.receiving_keys.generate_next_address()
|
|
pubkey_hash1 = account.coin.address_to_hash160(address1)
|
|
pubkey_hash2 = account.coin.address_to_hash160(address2)
|
|
|
|
tx = Transaction() \
|
|
.add_inputs([Input.spend(get_output(2*COIN, pubkey_hash1))]) \
|
|
.add_outputs([Output.pay_pubkey_hash(1.9*COIN, pubkey_hash2)]) \
|
|
.sign(account)
|
|
|
|
print(hexlify(tx.inputs[0].script.values['signature']))
|
|
self.assertEqual(
|
|
hexlify(tx.inputs[0].script.values['signature']),
|
|
b'304402200dafa26ad7cf38c5a971c8a25ce7d85a076235f146126762296b1223c42ae21e022020ef9eeb8'
|
|
b'398327891008c5c0be4357683f12cb22346691ff23914f457bf679601'
|
|
)
|