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Store a fixed order of transactions (and accounting) in the wallet

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For backward compatibility, new accounting data is stored after a \0 in the comment string.
This way, old versions and third-party software should load and store them, but all actual use (listtransactions, for example) ignores it.
This commit is contained in:
Luke Dashjr
2012-05-27 23:06:09 +00:00
parent cf78183fad
commit 9c7722b7c5
6 changed files with 315 additions and 7 deletions
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12
src/rpcwallet.cpp
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@@ -542,6 +542,7 @@ Value movecmd(const Array& params, bool fHelp)
// Debit
CAccountingEntry debit;
debit.nOrderPos = pwalletMain->nOrderPosNext++;
debit.strAccount = strFrom;
debit.nCreditDebit = -nAmount;
debit.nTime = nNow;
@@ -551,6 +552,7 @@ Value movecmd(const Array& params, bool fHelp)
// Credit
CAccountingEntry credit;
credit.nOrderPos = pwalletMain->nOrderPosNext++;
credit.strAccount = strTo;
credit.nCreditDebit = nAmount;
credit.nTime = nNow;
@@ -984,27 +986,27 @@ Value listtransactions(const Array& params, bool fHelp)
Array ret;
CWalletDB walletdb(pwalletMain->strWalletFile);
// First: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap.
// First: get all CWalletTx and CAccountingEntry into a sorted-by-order multimap.
typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
typedef multimap<int64, TxPair > TxItems;
TxItems txByTime;
TxItems txOrdered;
// Note: maintaining indices in the database of (account,time) --> txid and (account, time) --> acentry
// would make this much faster for applications that do this a lot.
for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
{
CWalletTx* wtx = &((*it).second);
txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
txOrdered.insert(make_pair(wtx->nOrderPos, TxPair(wtx, (CAccountingEntry*)0)));
}
list<CAccountingEntry> acentries;
walletdb.ListAccountCreditDebit(strAccount, acentries);
BOOST_FOREACH(CAccountingEntry& entry, acentries)
{
txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
txOrdered.insert(make_pair(entry.nOrderPos, TxPair((CWalletTx*)0, &entry)));
}
// iterate backwards until we have nCount items to return:
for (TxItems::reverse_iterator it = txByTime.rbegin(); it != txByTime.rend(); ++it)
for (TxItems::reverse_iterator it = txOrdered.rbegin(); it != txOrdered.rend(); ++it)
{
CWalletTx *const pwtx = (*it).second.first;
if (pwtx != 0)