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Reduce inefficiency of GetAccountAddress()

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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.
This commit is contained in:
Chris Moore 2015-12-28 16:56:53 -08:00
parent be9a9a3d22
commit 2409865e14
1 changed files with 15 additions and 16 deletions
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31
src/wallet/rpcwallet.cpp
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@ -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");