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🐎 contains check for SendFunds before unique grabbed

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EntireTwix 2021-06-12 20:56:04 -07:00
parent 8f47c12450
commit 3279835696
1 changed files with 6 additions and 0 deletions
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6
src/bank.cpp
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@ -90,6 +90,12 @@ int_fast8_t Bank::SendFunds(const std::string &a_name, const std::string &b_name
{
return ErrorResponse::InvalidRequest;
}
//as first modify_if checks a_name and grabs unique lock
if (!Contains(b_name))
{
return ErrorResponse::UserNotFound;
}
int_fast8_t state = false;
{
std::shared_lock<std::shared_mutex> lock{send_funds_l}; //because SendFunds requires 3 locking operations