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In listaddressgroupings push down the IsMine check to run on each input.

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This avoids a potential crash when trying to read the scrippubkeys on
transactions where the first input IsMine but some of the rest are not
when running listaddressgroupings.
This commit is contained in:
Gregory Maxwell 2012-09-27 13:29:35 -04:00
parent 14ac0adcc7
commit a3fad2119b
1 changed files with 21 additions and 12 deletions
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33
src/wallet.cpp
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@ -1664,29 +1664,38 @@ set< set<CTxDestination> > CWallet::GetAddressGroupings()
{
CWalletTx *pcoin = &walletEntry.second;
if (pcoin->vin.size() > 0 && IsMine(pcoin->vin[0]))
if (pcoin->vin.size() > 0)
{
bool any_mine = false;
// group all input addresses with each other
BOOST_FOREACH(CTxIn txin, pcoin->vin)
{
CTxDestination address;
if(!IsMine(txin)) /* If this input isn't mine, ignore it */
continue;
if(!ExtractDestination(mapWallet[txin.prevout.hash].vout[txin.prevout.n].scriptPubKey, address))
continue;
grouping.insert(address);
any_mine = true;
}
// group change with input addresses
BOOST_FOREACH(CTxOut txout, pcoin->vout)
if (IsChange(txout))
{
CWalletTx tx = mapWallet[pcoin->vin[0].prevout.hash];
CTxDestination txoutAddr;
if(!ExtractDestination(txout.scriptPubKey, txoutAddr))
continue;
grouping.insert(txoutAddr);
}
groupings.insert(grouping);
grouping.clear();
if (any_mine)
{
BOOST_FOREACH(CTxOut txout, pcoin->vout)
if (IsChange(txout))
{
CTxDestination txoutAddr;
if(!ExtractDestination(txout.scriptPubKey, txoutAddr))
continue;
grouping.insert(txoutAddr);
}
}
if (grouping.size() > 0)
{
groupings.insert(grouping);
grouping.clear();
}
}
// group lone addrs by themselves