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Merge #9614: [wallet] [refactor] Simplify getbalance implementation

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02d9f50 [wallet] Remove unneeded legacy getbalance code (Russell Yanofsky)
82b7dc3 [wallet] Add GetLegacyBalance method to simplify getbalance RPC (Russell Yanofsky)

Tree-SHA512: c3b890ff1f5a3df7e886309bad94bdf5cc3c12b72983bb79c72f8655ce16edf581bff0faaade2f18c2cb723f50d516e53f87792f81c3f8143b0c4377c0d80e87
This commit is contained in:
Wladimir J. van der Laan 2017-04-26 12:48:45 +02:00
commit cf5782508a
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GPG key ID: 74810B012346C9A6
3 changed files with 66 additions and 108 deletions
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42
src/wallet/rpcwallet.cpp
View file

@ -729,6 +729,8 @@ UniValue getbalance(const JSONRPCRequest& request)
if (request.params.size() == 0)
return ValueFromAmount(pwallet->GetBalance());
const std::string* account = request.params[0].get_str() != "*" ? &request.params[0].get_str() : nullptr;
int nMinDepth = 1;
if (request.params.size() > 1)
nMinDepth = request.params[1].get_int();
@ -737,41 +739,7 @@ UniValue getbalance(const JSONRPCRequest& request)
if(request.params[2].get_bool())
filter = filter | ISMINE_WATCH_ONLY;
if (request.params[0].get_str() == "*") {
// Calculate total balance in a very different way from GetBalance().
// The biggest difference is that GetBalance() sums up all unspent
// TxOuts paying to the wallet, while this sums up both spent and
// unspent TxOuts paying to the wallet, and then subtracts the values of
// TxIns spending from the wallet. This also has fewer restrictions on
// which unconfirmed transactions are considered trusted.
CAmount nBalance = 0;
for (const std::pair<uint256, CWalletTx>& pairWtx : pwallet->mapWallet) {
const CWalletTx& wtx = pairWtx.second;
if (!CheckFinalTx(wtx) || wtx.GetBlocksToMaturity() > 0 || wtx.GetDepthInMainChain() < 0)
continue;
CAmount allFee;
std::string strSentAccount;
std::list<COutputEntry> listReceived;
std::list<COutputEntry> listSent;
wtx.GetAmounts(listReceived, listSent, allFee, strSentAccount, filter);
if (wtx.GetDepthInMainChain() >= nMinDepth)
{
BOOST_FOREACH(const COutputEntry& r, listReceived)
nBalance += r.amount;
}
BOOST_FOREACH(const COutputEntry& s, listSent)
nBalance -= s.amount;
nBalance -= allFee;
}
return ValueFromAmount(nBalance);
}
std::string strAccount = AccountFromValue(request.params[0]);
CAmount nBalance = pwallet->GetAccountBalance(strAccount, nMinDepth, filter);
return ValueFromAmount(nBalance);
return ValueFromAmount(pwallet->GetLegacyBalance(filter, nMinDepth, account));
}
UniValue getunconfirmedbalance(const JSONRPCRequest &request)
@ -901,7 +869,7 @@ UniValue sendfrom(const JSONRPCRequest& request)
EnsureWalletIsUnlocked(pwallet);
// Check funds
CAmount nBalance = pwallet->GetAccountBalance(strAccount, nMinDepth, ISMINE_SPENDABLE);
CAmount nBalance = pwallet->GetLegacyBalance(ISMINE_SPENDABLE, nMinDepth, &strAccount);
if (nAmount > nBalance)
throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Account has insufficient funds");
@ -1010,7 +978,7 @@ UniValue sendmany(const JSONRPCRequest& request)
EnsureWalletIsUnlocked(pwallet);
// Check funds
CAmount nBalance = pwallet->GetAccountBalance(strAccount, nMinDepth, ISMINE_SPENDABLE);
CAmount nBalance = pwallet->GetLegacyBalance(ISMINE_SPENDABLE, nMinDepth, &strAccount);
if (totalAmount > nBalance)
throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Account has insufficient funds");

124
src/wallet/wallet.cpp
View file

@ -1457,41 +1457,6 @@ void CWalletTx::GetAmounts(std::list<COutputEntry>& listReceived,
}
void CWalletTx::GetAccountAmounts(const std::string& strAccount, CAmount& nReceived,
CAmount& nSent, CAmount& nFee, const isminefilter& filter) const
{
nReceived = nSent = nFee = 0;
CAmount allFee;
std::string strSentAccount;
std::list<COutputEntry> listReceived;
std::list<COutputEntry> listSent;
GetAmounts(listReceived, listSent, allFee, strSentAccount, filter);
if (strAccount == strSentAccount)
{
BOOST_FOREACH(const COutputEntry& s, listSent)
nSent += s.amount;
nFee = allFee;
}
{
LOCK(pwallet->cs_wallet);
BOOST_FOREACH(const COutputEntry& r, listReceived)
{
if (pwallet->mapAddressBook.count(r.destination))
{
std::map<CTxDestination, CAddressBookData>::const_iterator mi = pwallet->mapAddressBook.find(r.destination);
if (mi != pwallet->mapAddressBook.end() && (*mi).second.name == strAccount)
nReceived += r.amount;
}
else if (strAccount.empty())
{
nReceived += r.amount;
}
}
}
}
/**
* Scan the block chain (starting in pindexStart) for transactions
* from or to us. If fUpdate is true, found transactions that already
@ -1975,6 +1940,49 @@ CAmount CWallet::GetImmatureWatchOnlyBalance() const
return nTotal;
}
// Calculate total balance in a different way from GetBalance. The biggest
// difference is that GetBalance sums up all unspent TxOuts paying to the
// wallet, while this sums up both spent and unspent TxOuts paying to the
// wallet, and then subtracts the values of TxIns spending from the wallet. This
// also has fewer restrictions on which unconfirmed transactions are considered
// trusted.
CAmount CWallet::GetLegacyBalance(const isminefilter& filter, int minDepth, const std::string* account) const
{
LOCK2(cs_main, cs_wallet);
CAmount balance = 0;
for (const auto& entry : mapWallet) {
const CWalletTx& wtx = entry.second;
const int depth = wtx.GetDepthInMainChain();
if (depth < 0 || !CheckFinalTx(*wtx.tx) || wtx.GetBlocksToMaturity() > 0) {
continue;
}
// Loop through tx outputs and add incoming payments. For outgoing txs,
// treat change outputs specially, as part of the amount debited.
CAmount debit = wtx.GetDebit(filter);
const bool outgoing = debit > 0;
for (const CTxOut& out : wtx.tx->vout) {
if (outgoing && IsChange(out)) {
debit -= out.nValue;
} else if (IsMine(out) & filter && depth >= minDepth && (!account || *account == GetAccountName(out.scriptPubKey))) {
balance += out.nValue;
}
}
// For outgoing txs, subtract amount debited.
if (outgoing && (!account || *account == wtx.strFromAccount)) {
balance -= debit;
}
}
if (account) {
balance += CWalletDB(*dbw).GetAccountCreditDebit(*account);
}
return balance;
}
void CWallet::AvailableCoins(std::vector<COutput>& vCoins, bool fOnlySafe, const CCoinControl *coinControl, bool fIncludeZeroValue) const
{
vCoins.clear();
@ -2911,6 +2919,21 @@ bool CWallet::DelAddressBook(const CTxDestination& address)
return CWalletDB(*dbw).EraseName(CBitcoinAddress(address).ToString());
}
const std::string& CWallet::GetAccountName(const CScript& scriptPubKey) const
{
CTxDestination address;
if (ExtractDestination(scriptPubKey, address) && !scriptPubKey.IsUnspendable()) {
auto mi = mapAddressBook.find(address);
if (mi != mapAddressBook.end()) {
return mi->second.name;
}
}
// A scriptPubKey that doesn't have an entry in the address book is
// associated with the default account ("").
const static std::string DEFAULT_ACCOUNT_NAME;
return DEFAULT_ACCOUNT_NAME;
}
bool CWallet::SetDefaultKey(const CPubKey &vchPubKey)
{
if (!CWalletDB(*dbw).WriteDefaultKey(vchPubKey))
@ -3257,37 +3280,6 @@ std::set< std::set<CTxDestination> > CWallet::GetAddressGroupings()
return ret;
}
CAmount CWallet::GetAccountBalance(const std::string& strAccount, int nMinDepth, const isminefilter& filter)
{
CWalletDB walletdb(*dbw);
return GetAccountBalance(walletdb, strAccount, nMinDepth, filter);
}
CAmount CWallet::GetAccountBalance(CWalletDB& walletdb, const std::string& strAccount, int nMinDepth, const isminefilter& filter)
{
CAmount nBalance = 0;
// Tally wallet transactions
for (std::map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx& wtx = (*it).second;
if (!CheckFinalTx(wtx) || wtx.GetBlocksToMaturity() > 0 || wtx.GetDepthInMainChain() < 0)
continue;
CAmount nReceived, nSent, nFee;
wtx.GetAccountAmounts(strAccount, nReceived, nSent, nFee, filter);
if (nReceived != 0 && wtx.GetDepthInMainChain() >= nMinDepth)
nBalance += nReceived;
nBalance -= nSent + nFee;
}
// Tally internal accounting entries
nBalance += walletdb.GetAccountCreditDebit(strAccount);
return nBalance;
}
std::set<CTxDestination> CWallet::GetAccountAddresses(const std::string& strAccount) const
{
LOCK(cs_wallet);

8
src/wallet/wallet.h
View file

@ -451,9 +451,6 @@ public:
void GetAmounts(std::list<COutputEntry>& listReceived,
std::list<COutputEntry>& listSent, CAmount& nFee, std::string& strSentAccount, const isminefilter& filter) const;
void GetAccountAmounts(const std::string& strAccount, CAmount& nReceived,
CAmount& nSent, CAmount& nFee, const isminefilter& filter) const;
bool IsFromMe(const isminefilter& filter) const
{
return (GetDebit(filter) > 0);
@ -918,6 +915,7 @@ public:
CAmount GetWatchOnlyBalance() const;
CAmount GetUnconfirmedWatchOnlyBalance() const;
CAmount GetImmatureWatchOnlyBalance() const;
CAmount GetLegacyBalance(const isminefilter& filter, int minDepth, const std::string* account) const;
/**
* Insert additional inputs into the transaction by
@ -972,8 +970,6 @@ public:
std::set< std::set<CTxDestination> > GetAddressGroupings();
std::map<CTxDestination, CAmount> GetAddressBalances();
CAmount GetAccountBalance(const std::string& strAccount, int nMinDepth, const isminefilter& filter);
CAmount GetAccountBalance(CWalletDB& walletdb, const std::string& strAccount, int nMinDepth, const isminefilter& filter);
std::set<CTxDestination> GetAccountAddresses(const std::string& strAccount) const;
isminetype IsMine(const CTxIn& txin) const;
@ -1004,6 +1000,8 @@ public:
bool DelAddressBook(const CTxDestination& address);
const std::string& GetAccountName(const CScript& scriptPubKey) const;
void Inventory(const uint256 &hash) override
{
{