class EthBlockMapper(object):
def __init__(self, transaction_mapper=None):
if transaction_mapper is None:
self.transaction_mapper = EthTransactionMapper()
else:
self.transaction_mapper = transaction_mapper
def json_dict_to_block(self, json_dict):
block = EthBlock()
block.number = hex_to_dec(json_dict.get('number'))
block.hash = json_dict.get('hash')
block.parent_hash = json_dict.get('parentHash')
block.nonce = json_dict.get('nonce')
block.sha3_uncles = json_dict.get('sha3Uncles')
block.logs_bloom = json_dict.get('logsBloom')
block.transactions_root = json_dict.get('transactionsRoot')
block.state_root = json_dict.get('stateRoot')
block.receipts_root = json_dict.get('receiptsRoot')
block.miner = to_normalized_address(json_dict.get('miner'))
block.difficulty = hex_to_dec(json_dict.get('difficulty'))
block.total_difficulty = hex_to_dec(json_dict.get('totalDifficulty'))
block.size = hex_to_dec(json_dict.get('size'))
block.extra_data = json_dict.get('extraData')
block.gas_limit = hex_to_dec(json_dict.get('gasLimit'))
block.gas_used = hex_to_dec(json_dict.get('gasUsed'))
block.timestamp = hex_to_dec(json_dict.get('timestamp'))
if 'transactions' in json_dict:
block.transactions = [
self.transaction_mapper.json_dict_to_transaction(
tx, block_timestamp=block.timestamp)
for tx in json_dict['transactions'] if isinstance(tx, dict)
]
block.transaction_count = len(json_dict['transactions'])
return block
def block_to_dict(self, block):
return {
'type': 'block',
'number': block.number,
'hash': block.hash,
'parent_hash': block.parent_hash,
'nonce': block.nonce,
'sha3_uncles': block.sha3_uncles,
'logs_bloom': block.logs_bloom,
'transactions_root': block.transactions_root,
'state_root': block.state_root,
'receipts_root': block.receipts_root,
'miner': block.miner,
'difficulty': block.difficulty,
'total_difficulty': block.total_difficulty,
'size': block.size,
'extra_data': block.extra_data,
'gas_limit': block.gas_limit,
'gas_used': block.gas_used,
'timestamp': block.timestamp,
'transaction_count': block.transaction_count,
}
class EthBlockMapper(object):
def __init__(self, transaction_mapper: EthTransactionMapper = None):
if transaction_mapper is None:
self.transaction_mapper = EthTransactionMapper()
else:
self.transaction_mapper = transaction_mapper
def json_dict_to_block(self, json_dict) -> EthBlock:
block = EthBlock()
block.number = hex_to_dec(json_dict.get('number', None))
block.hash = json_dict.get('hash', None)
block.parent_hash = json_dict.get('parentHash', None)
block.nonce = json_dict.get('nonce', None)
block.sha3_uncles = json_dict.get('sha3Uncles', None)
block.logs_bloom = json_dict.get('logsBloom', None)
block.transactions_root = json_dict.get('transactionsRoot', None)
block.state_root = json_dict.get('stateRoot', None)
block.miner = json_dict.get('miner', None)
block.difficulty = hex_to_dec(json_dict.get('difficulty', None))
block.total_difficulty = hex_to_dec(
json_dict.get('totalDifficulty', None))
block.size = hex_to_dec(json_dict.get('size', None))
block.extra_data = json_dict.get('extraData', None)
block.gas_limit = hex_to_dec(json_dict.get('gasLimit', None))
block.gas_used = hex_to_dec(json_dict.get('gasUsed', None))
block.timestamp = hex_to_dec(json_dict.get('timestamp', None))
if 'transactions' in json_dict:
block.transactions = [
self.transaction_mapper.json_dict_to_transaction(tx)
for tx in json_dict['transactions'] if isinstance(tx, dict)
]
block.transaction_count = len(json_dict['transactions'])
return block
def block_to_dict(self, block: EthBlock):
return {
'block_number': block.number,
'block_hash': block.hash,
'block_parent_hash': block.parent_hash,
'block_nonce': block.nonce,
'block_sha3_uncles': block.sha3_uncles,
'block_logs_bloom': block.logs_bloom,
'block_transactions_root': block.transactions_root,
'block_state_root': block.state_root,
'block_miner': block.miner,
'block_difficulty': block.difficulty,
'block_total_difficulty': block.total_difficulty,
'block_size': block.size,
'block_extra_data': block.extra_data,
'block_gas_limit': block.gas_limit,
'block_gas_used': block.gas_used,
'block_timestamp': block.timestamp,
'block_transaction_count': block.transaction_count,
}