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Merge #11039: Avoid second mapWallet lookup

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8f2f1e0 wallet: Avoid second mapWallet lookup (João Barbosa)

Pull request description:

  All calls to `mapWallet.count()` have the intent to detect if a `txid` exists and most are followed by a second lookup to retrieve the `CWalletTx`.

  This PR replaces all `mapWallet.count()` calls with `mapWallet.find()` to avoid the second lookup.

Tree-SHA512: 96b7de7f5520ebf789a1aec1949a4e9c74e13683869cee012f717e5be8e51097d068e2347a36e89097c9a89f1ed1a1529db71760dac9b572e36a3e9ac1155f29
This commit is contained in:
Wladimir J. van der Laan
2017-08-18 16:15:20 +02:00
parent 9e00a625b4 8f2f1e0458
commit fc51565cbd
4 changed files with 44 additions and 31 deletions
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10
src/wallet/rpcwallet.cpp
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@@ -1874,10 +1874,11 @@ UniValue listsinceblock(const JSONRPCRequest& request)
throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk");
}
for (const CTransactionRef& tx : block.vtx) {
if (pwallet->mapWallet.count(tx->GetHash()) > 0) {
auto it = pwallet->mapWallet.find(tx->GetHash());
if (it != pwallet->mapWallet.end()) {
// We want all transactions regardless of confirmation count to appear here,
// even negative confirmation ones, hence the big negative.
ListTransactions(pwallet, pwallet->mapWallet[tx->GetHash()], "*", -100000000, true, removed, filter);
ListTransactions(pwallet, it->second, "*", -100000000, true, removed, filter);
}
}
paltindex = paltindex->pprev;
@@ -1957,10 +1958,11 @@ UniValue gettransaction(const JSONRPCRequest& request)
filter = filter | ISMINE_WATCH_ONLY;
UniValue entry(UniValue::VOBJ);
if (!pwallet->mapWallet.count(hash)) {
auto it = pwallet->mapWallet.find(hash);
if (it == pwallet->mapWallet.end()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid or non-wallet transaction id");
}
const CWalletTx& wtx = pwallet->mapWallet[hash];
const CWalletTx& wtx = it->second;
CAmount nCredit = wtx.GetCredit(filter);
CAmount nDebit = wtx.GetDebit(filter);