async def call(self,
to: str,
data: str,
tag: Union[int, str] = 'latest') -> str:
"""Executes a new message call immediately without creating a transaction on the block chain."""
return await self._get(
action='eth_call',
to=check_hex(to),
data=check_hex(data),
tag=check_tag(tag),
)
async def tx_by_number_and_index(self,
index: Union[int, str],
tag: Union[int, str] = 'latest') -> Dict:
"""Returns information about a transaction by block number and transaction index position."""
return await self._get(
action='eth_getTransactionByBlockNumberAndIndex',
index=check_hex(index),
tag=check_tag(tag),
)
async def uncle_block_by_number_and_index(
self,
index: Union[int, str],
tag: Union[int, str] = 'latest') -> Dict:
"""Returns information about a uncle by block number."""
return await self._get(
action='eth_getUncleByBlockNumberAndIndex',
index=check_hex(index),
tag=check_tag(tag),
)
async def estimate_gas(self, to: str, value: str, gas_price: str,
gas: str) -> str:
"""Makes a call or transaction, which won't be added to the blockchain and returns the used gas.
Can be used for estimating the used gas.
"""
return await self._get(
action='eth_estimateGas',
to=check_hex(to),
value=value,
gasPrice=gas_price,
gas=gas,
)
async def tx_receipt(self, txhash: str) -> Dict:
"""Returns the receipt of a transaction by transaction hash."""
return await self._get(
action='eth_getTransactionReceipt',
txhash=check_hex(txhash),
)
async def tx_by_hash(self, txhash: Union[int, str]) -> Dict:
"""Returns the information about a transaction requested by transaction hash."""
return await self._get(
action='eth_getTransactionByHash',
txhash=check_hex(txhash),
)
def test_check_hex():
assert check_hex(123) == '0x7b'
assert check_hex(0x7b) == '0x7b'
assert check_hex('0x7b') == '0x7b'
with pytest.raises(ValueError):
check_hex('wrong')