def _build_execute_transfer_limit_payload(account, token, to, amount, paymentToken, payment, signatures):
return "0x7e7b6dbb" + \
account[2:].zfill(64) + \
token[2:].zfill(64) + \
to[2:].zfill(64) + \
int_to_hex(amount)[2:].zfill(64) + \
paymentToken[2:].zfill(64) + \
int_to_hex(payment)[2:].zfill(64) + \
int_to_hex(224)[2:].zfill(64) + \
int_to_hex(65)[2:].zfill(64) + \
signatures[2:].zfill(96)
def _build_execute_allowance_transfer_payload(account, token, to, amount, paymentToken, payment, delegate, signatures):
return "0x4515641a" + \
account[2:].zfill(64) + \
token[2:].zfill(64) + \
to[2:].zfill(64) + \
int_to_hex(amount)[2:].zfill(64) + \
paymentToken[2:].zfill(64) + \
int_to_hex(payment)[2:].zfill(64) + \
delegate[2:].zfill(64) + \
int_to_hex(256)[2:].zfill(64) + \
int_to_hex(65)[2:].zfill(64) + \
signatures[2:].zfill(96)
def _estimate_transaction_eoa(address, value=0, data=""):
data = {
"from": sender,
"to": address,
"value": "0x0" if value == 0 else int_to_hex(value),
"data": data
}
response = rpc_call("eth_estimateGas", [data])
result = response.get("result")
if not result:
raise RpcException(response.get("error"))
return {'estimate': parse_int_or_hex(result)}
def call(address, value=0, data=""):
data = {
"from": _relayer(),
"to": address,
"value": "0x0" if value == 0 else int_to_hex(value),
"data": data
}
response = rpc_call("eth_call", [data, "latest"])
result = response.get("result")
if not result:
raise RpcException(response.get("error"))
return result
def _build_get_safe_transaction_hash_payload(to, value, data, operation,
safeTxGas, baseGas, gasPrice,
gasToken, refundReceiver, nonce):
return "0xd8d11f78" + \
to[2:].zfill(64) + \
int_to_hex(value)[2:].zfill(64) + \
int_to_hex(320)[2:].zfill(64) + \
int_to_hex(operation)[2:].zfill(64) + \
int_to_hex(safeTxGas)[2:].zfill(64) + \
int_to_hex(baseGas)[2:].zfill(64) + \
int_to_hex(gasPrice)[2:].zfill(64) + \
gasToken[2:].zfill(64) + \
refundReceiver[2:].zfill(64) + \
int_to_hex(nonce)[2:].zfill(64) + \
int_to_hex(int(len(data[2:]) / 2))[2:].zfill(64) + \
data[2:]