dash/blackcoin-more
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix deadlocks in setaccount, sendfrom RPC calls

Browse Source 
SendMoney*() now requires caller to acquire cs_main.
GetAccountAddress() now requires caller to acquire cs_main, cs_mapWallet.

Ordering is intended to match these two callchains[1]:

1. CRITICAL_BLOCK(cs_main)
    ProcessMessage(pfrom, strCommand, vMsg)
        AddToWalletIfMine()
              AddToWallet(wtx)
                  CRITICAL_BLOCK(cs_mapWallet)

2. CRITICAL_BLOCK(cs_main)
    ProcessMessage(pfrom, strCommand, vMsg)
        AddToWalletIfMine()
              AddToWallet(wtx)
                  CRITICAL_BLOCK(cs_mapWallet)
                      walletdb.WriteName(PubKeyToAddress(vchDefaultKey), "")
                          CRITICAL_BLOCK(cs_mapAddressBook)

Spotted by ArtForz.  Additional deadlock fixes by Gavin.

[1] http://www.bitcoin.org/smf/index.php?topic=4904.msg71897#msg71897
This commit is contained in:
Jeff Garzik
2011-04-04 22:24:35 -04:00
committed by Jeff Garzik
parent 454bc86479
commit f5f1878ba1
4 changed files with 86 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
ui.cpp
View File

@@ -1934,20 +1934,23 @@ void CSendDialog::OnButtonSend(wxCommandEvent& event)
if (fBitcoinAddress)
{
// Send to bitcoin address
CScript scriptPubKey;
scriptPubKey << OP_DUP << OP_HASH160 << hash160 << OP_EQUALVERIFY << OP_CHECKSIG;
CRITICAL_BLOCK(cs_main)
{
// Send to bitcoin address
CScript scriptPubKey;
scriptPubKey << OP_DUP << OP_HASH160 << hash160 << OP_EQUALVERIFY << OP_CHECKSIG;
string strError = SendMoney(scriptPubKey, nValue, wtx, true);
if (strError == "")
wxMessageBox(_("Payment sent "), _("Sending..."));
else if (strError == "ABORTED")
return; // leave send dialog open
else
{
wxMessageBox(strError + " ", _("Sending..."));
EndModal(false);
}
string strError = SendMoney(scriptPubKey, nValue, wtx, true);
if (strError == "")
wxMessageBox(_("Payment sent "), _("Sending..."));
else if (strError == "ABORTED")
return; // leave send dialog open
else
{
wxMessageBox(strError + " ", _("Sending..."));
EndModal(false);
}
}
}
else
{