def test_construct_pow_evidence_genesis_block():
coinstate = CoinState.empty()
transactions = [
construct_coinbase_transaction(0, [], immutables.Map(), b"Political statement goes here", example_public_key),
]
summary = construct_minable_summary_genesis(transactions, 1231006505, 0)
evidence = construct_pow_evidence(coinstate, summary, 0, transactions)
evidence.serialize()
def test_construct_pow_evidence_non_genesis_block():
coinstate = _read_chain_from_disk(5)
transactions = [
construct_coinbase_transaction(0, [], immutables.Map(),
b"Political statement goes here",
example_public_key),
]
summary = construct_minable_summary(coinstate, transactions, 1231006505, 0)
evidence = construct_pow_evidence(coinstate, summary,
coinstate.head().height + 1,
transactions)
evidence.serialize()
def test_validate_block_by_itself_invalid_coinbase_transaction():
coinstate = CoinState.empty()
transactions = [
Transaction(inputs=[
Input(
OutputReference(b'x' * 32, 1),
SECP256k1Signature(b'y' * 64),
)
],
outputs=[Output(1, example_public_key)])
]
summary = construct_minable_summary(coinstate, transactions, 1615209942,
39)
evidence = construct_pow_evidence(coinstate, summary, 0, transactions)
block = Block(BlockHeader(summary, evidence), transactions)
with pytest.raises(ValidateTransactionError, match=".*thin air.*"):
validate_block_by_itself(block, 1615209942)