bool Currency::getTransactionFee(const Transaction& tx, uint64_t& fee, uint32_t height) const {
uint64_t amount_in = 0;
uint64_t amount_out = 0;
//if (tx.inputs.size() == 0)// || tx.outputs.size() == 0) //0 outputs needed in TestGenerator::constructBlock
// return false;
for (const auto& in : tx.inputs) {
amount_in += getTransactionInputAmount(in, height);
}
for (const auto& o : tx.outputs) {
amount_out += o.amount;
}
if (amount_out > amount_in){
if (tx.inputs.size() > 0 && tx.outputs.size() > 0 && amount_out > amount_in + parameters::MINIMUM_FEE) //interest shows up in the output of the W/D transactions and W/Ds always have min fee
fee = parameters::MINIMUM_FEE;
else
return false;
} else
fee = amount_in - amount_out;
return true;
}
uint64_t Currency::getTransactionAllInputsAmount(const Transaction& tx, uint32_t height) const {
uint64_t amount = 0;
for (const auto& in : tx.inputs) {
amount += getTransactionInputAmount(in, height);
}
return amount;
}
uint64_t TransactionPrefixImpl::getInputTotalAmount() const {
return std::accumulate(m_txPrefix.inputs.begin(), m_txPrefix.inputs.end(), 0ULL, [](uint64_t val, const TransactionInput& in) {
return val + getTransactionInputAmount(in);
});
}
