def test_mine_genesis_block(self):
""" Mine the unitnet GENESIS block """
time_source = MockTimeSource(time=1356446436)
miner = BitcoinMiner()
block, template = miner.mine_block(hash_prev=Uint256.from_hexstr("0000000000000000000000000000000000000000000000000000000000000000"),
block_height=0,
time_source=time_source,
difficulty_bits=524287999,
transactions=[],
coinbase_txout_list=[TxOut(5000000000, Script([push_data_instruction(decodehexstr("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f")),Instruction(OP_CHECKSIG)]))],
coinbase_flags=["/P2SH/", "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"])
self.assertEquals(block.blockheader.nonce, 1260)
self.assertEquals(block.blockheader.hash_merkle, Uint256.from_hexstr("cf7ac9a3b387cf5e9fc14e03e2a5bbfc16d1ba00d2af6c96869ab4da949bd240"))
self.assertEquals(hash_block(block), Uint256.from_hexstr("003ee3cf880906caa5662f10d4b4fb1c86c1853230dee8a7b8a62f434c73da5f"))
def test_mine_block(self):
""" Mine a block changing both nonce and extra_nonce"""
def nonce_changer(template):
if template.nonce >= 20:
template.set_extra_nonce(template.extra_nonce + 1)
template.set_nonce(0)
else:
template.set_nonce(template.nonce + 1)
time_source = MockTimeSource(time=1356446436)
miner = BitcoinMiner()
block, template = miner.mine_block(
hash_prev=Uint256.from_hexstr(
"0000000000000000000000000000000000000000000000000000000000000000"
),
block_height=0,
time_source=time_source,
difficulty_bits=524287999,
transactions=[],
coinbase_txout_list=[
TxOut(
5000000000,
Script([
Instruction(
OP_PUSHDATA,
decodehexstr(
"04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f"
)),
Instruction(OP_CHECKSIG)
]))
],
nonce_changer=nonce_changer)
self.assertEquals(block.blockheader.nonce, 8)
self.assertEquals(template.nonce, 8)
self.assertEquals(template.extra_nonce, 14)
self.assertEquals(
block.blockheader.hash_merkle,
Uint256.from_hexstr(
"ca839450c8702d6768d1803bb6d99c6d059a56240933e5bf72cb2936f6c9e211"
))
self.assertEquals(
hash_block(block),
Uint256.from_hexstr(
"003c7a06c7efe128cb3bea692e1a485f7400f3670df7986c020083e9b10e295d"
))
def test_mine_block(self):
""" Mine a block changing both nonce and extra_nonce"""
def nonce_changer(template):
if template.nonce >= 20:
template.set_extra_nonce(template.extra_nonce + 1)
template.set_nonce(0)
else:
template.set_nonce(template.nonce + 1)
time_source = MockTimeSource(time=1356446436)
miner = BitcoinMiner()
block, template = miner.mine_block(hash_prev=Uint256.from_hexstr("0000000000000000000000000000000000000000000000000000000000000000"),
block_height=0,
time_source=time_source,
difficulty_bits=524287999,
transactions=[],
coinbase_txout_list=[TxOut(5000000000, Script([Instruction(OP_PUSHDATA, decodehexstr("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f")),Instruction(OP_CHECKSIG)]))],
nonce_changer=nonce_changer)
self.assertEquals(block.blockheader.nonce, 8)
self.assertEquals(template.nonce, 8)
self.assertEquals(template.extra_nonce, 14)
self.assertEquals(block.blockheader.hash_merkle, Uint256.from_hexstr("ca839450c8702d6768d1803bb6d99c6d059a56240933e5bf72cb2936f6c9e211"))
self.assertEquals(hash_block(block), Uint256.from_hexstr("003c7a06c7efe128cb3bea692e1a485f7400f3670df7986c020083e9b10e295d"))
def test_mine_genesis_block(self):
""" Mine the unitnet GENESIS block """
time_source = MockTimeSource(time=1356446436)
miner = BitcoinMiner()
block, template = miner.mine_block(
hash_prev=Uint256.from_hexstr(
"0000000000000000000000000000000000000000000000000000000000000000"
),
block_height=0,
time_source=time_source,
difficulty_bits=524287999,
transactions=[],
coinbase_txout_list=[
TxOut(
5000000000,
Script([
push_data_instruction(
decodehexstr(
"04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f"
)),
Instruction(OP_CHECKSIG)
]))
],
coinbase_flags=[
"/P2SH/",
"The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"
])
self.assertEquals(block.blockheader.nonce, 1260)
self.assertEquals(
block.blockheader.hash_merkle,
Uint256.from_hexstr(
"cf7ac9a3b387cf5e9fc14e03e2a5bbfc16d1ba00d2af6c96869ab4da949bd240"
))
self.assertEquals(
hash_block(block),
Uint256.from_hexstr(
"003ee3cf880906caa5662f10d4b4fb1c86c1853230dee8a7b8a62f434c73da5f"
))