/*
* Decompose CWallet transaction to model transaction records.
*/
QList<TransactionRecord> TransactionRecord::decomposeTransaction(const CWallet *wallet, const CWalletTx &wtx)
{
QList<TransactionRecord> parts;
int64 nTime = wtx.GetTxTime();
int64 nCredit = wtx.GetCredit(true);
int64 nDebit = wtx.GetDebit();
int64 nNet = nCredit - nDebit;
uint256 hash = wtx.GetHash();
std::map<std::string, std::string> mapValue = wtx.mapValue;
if (showTransaction(wtx))
{
if (wtx.IsCoinStake()) // alohacoin: coinstake transaction
{
parts.append(TransactionRecord(hash, nTime, TransactionRecord::StakeMint, "", -nDebit, wtx.GetValueOut()));
}
else if (nNet > 0 || wtx.IsCoinBase())
{
//
// Credit
//
BOOST_FOREACH(const CTxOut& txout, wtx.vout)
{
if(wallet->IsMine(txout))
{
TransactionRecord sub(hash, nTime);
CBitcoinAddress address;
sub.idx = parts.size(); // sequence number
sub.credit = txout.nValue;
if (wtx.IsCoinBase())
{
// Generated
sub.type = TransactionRecord::Generated;
if (ExtractAddress(txout.scriptPubKey, address) && wallet->HaveKey(address))
{
sub.address = address.ToString();
}
}
else if (ExtractAddress(txout.scriptPubKey, address) && wallet->HaveKey(address))
{
// Received by Bitcoin Address
sub.type = TransactionRecord::RecvWithAddress;
sub.address = address.ToString();
}
else
{
// Received by IP connection (deprecated features), or a multisignature or other non-simple transaction
sub.type = TransactionRecord::RecvFromOther;
sub.address = mapValue["from"];
}
parts.append(sub);
}
}
}
else
{
static int setup_buffers( PaAlsaStream *stream, int frames_avail )
{
int i;
int capture_frames_avail = INT_MAX;
int playback_frames_avail = INT_MAX;
int common_frames_avail;
if( stream->pcm_capture )
{
const snd_pcm_channel_area_t *capture_areas;
const snd_pcm_channel_area_t *area;
snd_pcm_uframes_t frames = frames_avail;
/* I do not understand this code fragment yet, it is copied out of the
* alsa-devel archives... */
snd_pcm_mmap_begin( stream->pcm_capture, &capture_areas,
&stream->capture_offset, &frames);
if( stream->capture_interleaved )
{
void *interleaved_capture_buffer;
area = &capture_areas[0];
interleaved_capture_buffer = ExtractAddress( area, stream->capture_offset );
PaUtil_SetInterleavedInputChannels( &stream->bufferProcessor,
0, /* starting at channel 0 */
interleaved_capture_buffer,
0 /* default numInputChannels */
);
}
else
{
/* noninterleaved */
for( i = 0; i < stream->capture_channels; i++ )
{
void *noninterleaved_capture_buffer;
area = &capture_areas[i];
noninterleaved_capture_buffer = ExtractAddress( area, stream->capture_offset );
PaUtil_SetNonInterleavedInputChannel( &stream->bufferProcessor,
i,
noninterleaved_capture_buffer);
}
}
capture_frames_avail = frames;
}
if( stream->pcm_playback )
{
const snd_pcm_channel_area_t *playback_areas;
const snd_pcm_channel_area_t *area;
snd_pcm_uframes_t frames = frames_avail;
snd_pcm_mmap_begin( stream->pcm_playback, &playback_areas,
&stream->playback_offset, &frames);
if( stream->playback_interleaved )
{
void *interleaved_playback_buffer;
area = &playback_areas[0];
interleaved_playback_buffer = ExtractAddress( area, stream->playback_offset );
PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor,
0, /* starting at channel 0 */
interleaved_playback_buffer,
0 /* default numInputChannels */
);
}
else
{
/* noninterleaved */
for( i = 0; i < stream->playback_channels; i++ )
{
void *noninterleaved_playback_buffer;
area = &playback_areas[i];
noninterleaved_playback_buffer = ExtractAddress( area, stream->playback_offset );
PaUtil_SetNonInterleavedOutputChannel( &stream->bufferProcessor,
i,
noninterleaved_playback_buffer);
}
}
playback_frames_avail = frames;
}
common_frames_avail = MIN(capture_frames_avail, playback_frames_avail);
common_frames_avail -= common_frames_avail % stream->frames_per_period;
//PA_DEBUG(( "%d capture frames available\n", capture_frames_avail ));
//PA_DEBUG(( "%d frames playback available\n", playback_frames_avail ));
//PA_DEBUG(( "%d frames available\n", common_frames_avail ));
if( stream->pcm_capture )
PaUtil_SetInputFrameCount( &stream->bufferProcessor, common_frames_avail );
if( stream->pcm_playback )
PaUtil_SetOutputFrameCount( &stream->bufferProcessor, common_frames_avail );
return common_frames_avail;
}
