def serialize_block(block, transaction_serialize_fn, is_pending):
transactions = [
transaction_serialize_fn(block, transaction, transaction_index,
is_pending)
for transaction_index, transaction in enumerate(block.transaction_list)
]
return {
"number": block.number,
"hash": block.hash,
"parent_hash": block.prevhash,
"nonce": zpad(block.nonce, 8),
"sha3_uncles": block.uncles_hash,
"logs_bloom": block.bloom,
"transactions_root": block.tx_list_root,
"receipts_root": block.receipts_root,
"state_root": block.state_root,
"miner": block.coinbase,
"difficulty": block.difficulty,
"total_difficulty": block.chain_difficulty(),
"size": len(rlp.encode(block)),
"extra_data": zpad32(block.extra_data),
"gas_limit": block.gas_limit,
"gas_used": block.gas_used,
"timestamp": block.timestamp,
"transactions": transactions,
"uncles": block.uncles,
}
def serialize_block(evm, block, transaction_serialize_fn, is_pending):
transactions = [
transaction_serialize_fn(block, transaction, transaction_index,
is_pending) for transaction_index, transaction
in enumerate(block.transactions if is_pyethereum21_available(
) else block.transaction_list)
]
# NOTE: Hack to compute total difficulty for pyethereum 2.0
# As far as I could tell, this didn't really do anything in 1.6
if hasattr(block, 'chain_difficulty'):
total_difficulty = block.chain_difficulty()
elif hasattr(evm, 'chain') and hasattr(evm.chain, 'get_score'):
total_difficulty = evm.chain.get_score(block)
else:
raise Exception(
'Invariant: failed to match pyethereum16 or pyethereum21 API')
return {
"number":
block.number,
"hash":
block.hash,
"parent_hash":
block.prevhash,
"nonce":
zpad(encode_if_not_bytes(block.nonce), 8),
"sha3_uncles":
block.uncles_hash,
"logs_bloom":
block.bloom,
"transactions_root":
block.tx_list_root,
"receipts_root":
block.receipts_root,
"state_root":
block.state_root,
"miner":
block.coinbase
if is_bytes(block.coinbase) else block.coinbase.encode(),
"difficulty":
block.difficulty,
"total_difficulty":
total_difficulty,
"size":
len(rlp.encode(block)),
"extra_data":
zpad32(encode_if_not_bytes(block.extra_data)),
"gas_limit":
block.gas_limit,
"gas_used":
block.gas_used,
"timestamp":
block.timestamp,
"transactions":
transactions,
"uncles":
block.uncles,
}
def _generate_dummy_address(idx):
return to_canonical_address(
decode_hex('0xabbacadaba') + zpad(int_to_big_endian(idx), 15))