BtcUnspentOutputs BtcHelper::ListNewOutputs(BtcUnspentOutputs knownOutputs, const btc::stringList &addresses)
{
if(addresses.empty())
return BtcUnspentOutputs();
// extract txids from unspent outputs
btc::stringList knownOutputTxIds = btc::stringList();
for(BtcUnspentOutputs::iterator output = knownOutputs.begin(); output != knownOutputs.end(); output++)
{
knownOutputTxIds.push_back((*output)->txId);
}
// get list of all unspent outputs
BtcUnspentOutputs outputs = this->modules->btcJson->ListUnspent(MinConfirms, MaxConfirms, addresses);
// iterate through them
BtcUnspentOutputs newOutputs = BtcUnspentOutputs();
for(BtcUnspentOutputs::iterator output = outputs.begin(); output != outputs.end(); output++)
{
// check if we already know about them
btc::stringList::iterator it;
it = std::find (knownOutputTxIds.begin(), knownOutputTxIds.end(), (*output)->txId);
if(it == knownOutputTxIds.end())
newOutputs.push_back((*output)); // add them if we don't
else
knownOutputTxIds.erase(it, it);
}
return newOutputs;
}
BtcUnspentOutputs BtcHelper::FindUnspentOutputs(const btc::stringList &txIdsToCheck)
{
BtcUnspentOutputs unspentOutputs = BtcUnspentOutputs();
std::string lastTxId = std::string(); // prevent double inserts
for(btc::stringList::const_iterator txId = txIdsToCheck.begin(); txId != txIdsToCheck.end(); txId++)
{
if((*txId) == lastTxId)
continue;
lastTxId = (*txId);
BtcRawTransactionPtr rawTx = GetDecodedRawTransaction((*txId));
if(rawTx == NULL)
continue;
// iterate through raw transaction VOUT array
for(std::vector<BtcRawTransaction::VOUT>::const_iterator vout = rawTx->outputs.begin(); vout != rawTx->outputs.end(); vout++)
{
BtcUnspentOutputPtr output = this->modules->btcJson->GetTxOut(rawTx->txId, vout->n);
if(output == NULL)
continue;
if(!output->address.empty())
unspentOutputs.push_back(output);
}
}
return unspentOutputs;
}
BtcUnspentOutputs BtcHelper::FindSignableOutputs(const btc::stringList &txIds)
{
BtcUnspentOutputs outputsToCheck = BtcUnspentOutputs();
std::string lastTxId = std::string(); // prevent double inserts
// iterate through txids
for(btc::stringList::const_iterator txId = txIds.begin(); txId != txIds.end(); txId++)
{
if((*txId) == lastTxId)
continue;
lastTxId = (*txId);
// get transaction details
BtcRawTransactionPtr txRaw = GetDecodedRawTransaction((*txId));
// iterate through raw transaction VOUT array
for(std::vector<BtcRawTransaction::VOUT>::const_iterator vout = txRaw->outputs.begin(); vout != txRaw->outputs.end(); vout++)
{
BtcUnspentOutputPtr output = BtcUnspentOutputPtr(new BtcUnspentOutput(Json::Value()));
output->txId = (*txId);
if(vout->addresses.size() == 1)
output->address = vout->addresses.front();
output->scriptPubKey = vout->scriptPubKeyHex;
output->amount = vout->value;
output->vout = vout->n;
outputsToCheck.push_back(output);
}
}
return FindSignableOutputs(outputsToCheck);
}
BtcUnspentOutputs BtcHelper::FindUnspentSignableOutputs(const btc::stringList &txIds)
{
BtcUnspentOutputs signableOutputs = FindSignableOutputs(txIds);
if(signableOutputs.empty())
return BtcUnspentOutputs();
BtcUnspentOutputs unspentSignableOutputs = FindUnspentOutputs(signableOutputs);
return unspentSignableOutputs;
}
BtcUnspentOutputs BtcHelper::FindSignableOutputs(const BtcUnspentOutputs &outputs)
{
BtcUnspentOutputs signableOutputs = BtcUnspentOutputs();
for(BtcUnspentOutputs::const_iterator output = outputs.begin(); output != outputs.end(); output++)
{
if(IsMine((*output)->address))
signableOutputs.push_back((*output));
}
return signableOutputs;
}
BtcUnspentOutputs BtcHelper::FindUnspentOutputs(BtcUnspentOutputs possiblySpentOutputs)
{
BtcUnspentOutputs unspentOutputs = BtcUnspentOutputs();
for(BtcUnspentOutputs::iterator outputToCheck = possiblySpentOutputs.begin(); outputToCheck != possiblySpentOutputs.end(); outputToCheck++)
{
BtcUnspentOutputPtr output = this->modules->btcJson->GetTxOut((*outputToCheck)->txId, (*outputToCheck)->vout);
if(output != NULL)
{
std::printf ("found unspent output %s : %ld, %f BTC\n", output->txId.c_str(), output->vout, SatoshisToCoins(output->amount));
unspentOutputs.push_back(output);
}
}
return unspentOutputs;
}
