bool STPath::hasSeen(const uint160 &uAccountId, const uint160& uCurrencyID, const uint160& uIssuerID)
{
for (int i = 0; i < mPath.size(); ++i) {
STPathElement ele = getElement(i);
if (ele.getAccountID() == uAccountId
&& ele.getCurrency() == uCurrencyID
&& ele.getIssuerID() == uIssuerID)
return true;
}
return false;
}
std::size_t
STPathElement::get_hash (STPathElement const& element)
{
std::size_t hash_account = 2654435761;
std::size_t hash_currency = 2654435761;
std::size_t hash_issuer = 2654435761;
// NIKB NOTE: This doesn't have to be a secure hash as speed is more
// important. We don't even really need to fully hash the whole
// base_uint here, as a few bytes would do for our use.
for (auto const x : element.getAccountID ())
hash_account += (hash_account * 257) ^ x;
for (auto const x : element.getCurrency ())
hash_currency += (hash_currency * 509) ^ x;
for (auto const x : element.getIssuerID ())
hash_issuer += (hash_issuer * 911) ^ x;
return (hash_account ^ hash_currency ^ hash_issuer);
}
