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Reduce inefficiency of GetAccountAddress()

Don't scan the wallet to see if the current key has been used if we're going to make a new key anyway.
Stop scanning the wallet as soon as we see that the current key has been used.
Don't call isValid() twice on the current key.
pull/1/head
Chris Moore 7 years ago
parent
commit
2409865e14
  1. 31
      src/wallet/rpcwallet.cpp

31
src/wallet/rpcwallet.cpp

@ -137,26 +137,25 @@ CBitcoinAddress GetAccountAddress(string strAccount, bool bForceNew=false) @@ -137,26 +137,25 @@ CBitcoinAddress GetAccountAddress(string strAccount, bool bForceNew=false)
CAccount account;
walletdb.ReadAccount(strAccount, account);
bool bKeyUsed = false;
// Check if the current key has been used
if (account.vchPubKey.IsValid())
{
CScript scriptPubKey = GetScriptForDestination(account.vchPubKey.GetID());
for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin();
it != pwalletMain->mapWallet.end() && account.vchPubKey.IsValid();
++it)
{
const CWalletTx& wtx = (*it).second;
BOOST_FOREACH(const CTxOut& txout, wtx.vout)
if (txout.scriptPubKey == scriptPubKey)
bKeyUsed = true;
if (!bForceNew) {
if (!account.vchPubKey.IsValid())
bForceNew = true;
else {
// Check if the current key has been used
CScript scriptPubKey = GetScriptForDestination(account.vchPubKey.GetID());
for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin();
it != pwalletMain->mapWallet.end() && account.vchPubKey.IsValid();
++it)
BOOST_FOREACH(const CTxOut& txout, (*it).second.vout)
if (txout.scriptPubKey == scriptPubKey) {
bForceNew = true;
break;
}
}
}
// Generate a new key
if (!account.vchPubKey.IsValid() || bForceNew || bKeyUsed)
{
if (bForceNew) {
if (!pwalletMain->GetKeyFromPool(account.vchPubKey))
throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first");

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