def get_fee(self):
""" Override parent method to calc multisend-specific fee: (n_txs - 1) * 5 units """
base_fee = super().get_fee()
recipients_fee = MinterHelper.pybcmul(
(len(self.txs) - 1) * self.COMMISSION_PER_RECIPIENT,
self.FEE_DEFAULT_MULTIPLIER)
return int(MinterHelper.pybcadd(base_fee, recipients_fee))
def get_fee(self):
"""
Get fee of transaction in PIP.
Returns:
int
"""
# Multiplied gas comission in PIP
gas_price = MinterHelper.pybcmul(self.COMMISSION,
self.FEE_DEFAULT_MULTIPLIER)
# Comission for payload and service_data bytes
comission = MinterHelper.pybcadd(
MinterHelper.pybcmul(len(self.payload),
self.FEE_DEFAULT_MULTIPLIER),
MinterHelper.pybcmul(len(self.service_data),
self.FEE_DEFAULT_MULTIPLIER))
return int(MinterHelper.pybcadd(gas_price, comission))
def estimate_payload_fee(payload, bip=False):
fee_pip = MinterHelper.pybcmul(
len(bytes(payload, encoding='utf-8')) * MinterTx.PAYLOAD_COMMISSION,
MinterTx.FEE_DEFAULT_MULTIPLIER)
return to_bip(fee_pip) if bip else fee_pip
