def decode_raw_tx(raw_tx: str) -> DecodedRawTx:
tx: Any = rlp.decode(hex_to_bytes(raw_tx), RPLTransaction)
tx_hash = Web3.toHex(keccak(hex_to_bytes(raw_tx)))
from_ = w3.eth.account.recover_transaction(raw_tx)
to = w3.toChecksumAddress(tx.to) if tx.to else None
data = w3.toHex(tx.data)
r = hex(tx.r)
s = hex(tx.s)
chain_id = (tx.v - 35) // 2 if tx.v % 2 else (tx.v - 36) // 2
return DecodedRawTx(**md(tx_hash, from_, to, data, chain_id, r, s, tx.v,
tx.gas, tx.gas_price, tx.value, tx.nonce))
def encode_raw_tx_with_signature(
*,
nonce: int,
gas_price: int,
gas: int,
v: int,
r: str,
s: str,
data: Optional[str] = None,
value: Optional[int] = None,
to: Optional[str] = None,
):
if to:
to = hex_to_bytes(to) # type:ignore
if data:
data = hex_to_bytes(data) # type:ignore
if not value:
value = 0
r = int(r, 16) # type:ignore
s = int(s, 16) # type:ignore
tx = RPLTransaction.new_tx(
**md(nonce, gas_price, gas, data, value, to, v, r, s))
return Web3.toHex(rlp.encode(tx))
def decode_data(types: list[str], data: str):
return eth_abi.decode_abi(types, hex_to_bytes(data))
def decode_single(type_: str, data: str):
return eth_abi.decode_single(type_, hex_to_bytes(data))
def encode_transfer_input_data(recipient: str, value: int) -> str:
input_data = hex_to_bytes(TRANSFER_METHOD) + encode_abi(["address", "uint256"], [recipient, value])
return to_hex(input_data)