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CreateTransaction: return strFailReason on failure

pull/145/head
Gavin Andresen 11 years ago
parent
8de9bb53af
commit
1f00f4e9c9
4 changed files with 37 additions and 17 deletions
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  1. 5
      src/qt/walletmodel.cpp
  2. 9
      src/rpcwallet.cpp
  3. 34
      src/wallet.cpp
  4. 6
      src/wallet.h

5
src/qt/walletmodel.cpp
View File

@ -181,7 +181,8 @@ WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipie
CWalletTx wtx;
CReserveKey keyChange(wallet);
int64 nFeeRequired = 0;
bool fCreated = wallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
std::string strFailReason;
bool fCreated = wallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired, strFailReason);
if(!fCreated)
{
@ -189,6 +190,8 @@ WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipie
{
return SendCoinsReturn(AmountWithFeeExceedsBalance, nFeeRequired);
}
emit message(tr("Send Coins"), QString::fromStdString(strFailReason),
CClientUIInterface::MSG_ERROR);
return TransactionCreationFailed;
}
if(!uiInterface.ThreadSafeAskFee(nFeeRequired))

9
src/rpcwallet.cpp
View File

@ -694,13 +694,10 @@ Value sendmany(const Array& params, bool fHelp)
// Send
CReserveKey keyChange(pwalletMain);
int64 nFeeRequired = 0;
bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
string strFailReason;
bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired, strFailReason);
if (!fCreated)
{
if (totalAmount + nFeeRequired > pwalletMain->GetBalance())
throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Insufficient funds");
throw JSONRPCError(RPC_WALLET_ERROR, "Transaction creation failed");
}
throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, strFailReason);
if (!pwalletMain->CommitTransaction(wtx, keyChange))
throw JSONRPCError(RPC_WALLET_ERROR, "Transaction commit failed");

34
src/wallet.cpp
View File

@ -1134,17 +1134,24 @@ bool CWallet::SelectCoins(int64 nTargetValue, set<pair<const CWalletTx*,unsigned
bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet)
bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend,
CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet, std::string& strFailReason)
{
int64 nValue = 0;
BOOST_FOREACH (const PAIRTYPE(CScript, int64)& s, vecSend)
{
if (nValue < 0)
{
strFailReason = _("Transaction amounts must be positive");
return false;
}
nValue += s.second;
}
if (vecSend.empty() || nValue < 0)
{
strFailReason = _("Transaction amounts must be positive");
return false;
}
wtxNew.BindWallet(this);
@ -1165,7 +1172,10 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CW
{
CTxOut txout(s.second, s.first);
if (txout.IsDust())
{
strFailReason = _("Transaction amount too small");
return false;
}
wtxNew.vout.push_back(txout);
}
@ -1173,7 +1183,10 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CW
set<pair<const CWalletTx*,unsigned int> > setCoins;
int64 nValueIn = 0;
if (!SelectCoins(nTotalValue, setCoins, nValueIn))
{
strFailReason = _("Insufficient funds");
return false;
}
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
{
int64 nCredit = pcoin.first->vout[pcoin.second].nValue;
@ -1240,12 +1253,18 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CW
int nIn = 0;
BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins)
if (!SignSignature(*this, *coin.first, wtxNew, nIn++))
{
strFailReason = _("Signing transaction failed");
return false;
}
// Limit size
unsigned int nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK, PROTOCOL_VERSION);
if (nBytes >= MAX_STANDARD_TX_SIZE)
{
strFailReason = _("Transaction too large");
return false;
}
dPriority /= nBytes;
// Check that enough fee is included
@ -1269,11 +1288,12 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CW
return true;
}
bool CWallet::CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet)
bool CWallet::CreateTransaction(CScript scriptPubKey, int64 nValue,
CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet, std::string& strFailReason)
{
vector< pair<CScript, int64> > vecSend;
vecSend.push_back(make_pair(scriptPubKey, nValue));
return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet);
return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet, strFailReason);
}
// Call after CreateTransaction unless you want to abort
@ -1339,14 +1359,12 @@ string CWallet::SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew,
printf("SendMoney() : %s", strError.c_str());
return strError;
}
if (!CreateTransaction(scriptPubKey, nValue, wtxNew, reservekey, nFeeRequired))
string strError;
if (!CreateTransaction(scriptPubKey, nValue, wtxNew, reservekey, nFeeRequired, strError))
{
string strError;
if (nValue + nFeeRequired > GetBalance())
strError = strprintf(_("Error: This transaction requires a transaction fee of at least %s because of its amount, complexity, or use of recently received funds!"), FormatMoney(nFeeRequired).c_str());
else
strError = _("Error: Transaction creation failed!");
printf("SendMoney() : %s", strError.c_str());
printf("SendMoney() : %s\n", strError.c_str());
return strError;
}

6
src/wallet.h
View File

@ -178,8 +178,10 @@ public:
int64 GetBalance() const;
int64 GetUnconfirmedBalance() const;
int64 GetImmatureBalance() const;
bool CreateTransaction(const std::vector<std::pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
bool CreateTransaction(const std::vector<std::pair<CScript, int64> >& vecSend,
CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet, std::string& strFailReason);
bool CreateTransaction(CScript scriptPubKey, int64 nValue,
CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet, std::string& strFailReason);
bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);
std::string SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
std::string SendMoneyToDestination(const CTxDestination &address, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);

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