refactor block/tx conversions into their own functions.

This commit is contained in:
Christopher Jeffrey 2014-09-23 10:14:35 -07:00
parent 4017d88d13
commit adf1932c8e
2 changed files with 223 additions and 202 deletions

View File

@ -14,10 +14,10 @@ bitcoind.start(function(err) {
});
bitcoind.on('open', function(status) {
console.log('bitcoind: status="%s"', status);
// getBlocks(bitcoind);
bitcoind.on('block', function(block) {
console.log('Found block: %j', block);
});
getBlocks(bitcoind);
// bitcoind.on('block', function(block) {
// console.log('Found block: %j', block);
// });
});
});

View File

@ -175,6 +175,12 @@ async_poll_blocks(uv_work_t *req);
static void
async_poll_blocks_after(uv_work_t *req);
static void
ctx_to_js(const CTransaction& tx, uint256 hashBlock, Local<Object> entry);
static void
cblock_to_js(const CBlock& block, const CBlockIndex* blockindex, Local<Object> obj);
extern "C" void
init(Handle<Object>);
@ -762,125 +768,7 @@ async_get_block_after(uv_work_t *req) {
const CBlockIndex* blockindex = data->result_blockindex;
Local<Object> obj = NanNew<Object>();
obj->Set(NanNew<String>("hash"), NanNew<String>(block.GetHash().GetHex().c_str()));
CMerkleTx txGen(block.vtx[0]);
txGen.SetMerkleBranch(&block);
obj->Set(NanNew<String>("confirmations"), NanNew<Number>((int)txGen.GetDepthInMainChain()));
obj->Set(NanNew<String>("size"), NanNew<Number>((int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
obj->Set(NanNew<String>("height"), NanNew<Number>(blockindex->nHeight));
obj->Set(NanNew<String>("version"), NanNew<Number>(block.nVersion));
obj->Set(NanNew<String>("merkleroot"), NanNew<String>(block.hashMerkleRoot.GetHex()));
Local<Array> txs = NanNew<Array>();
int ti = 0;
BOOST_FOREACH(const CTransaction& tx, block.vtx) {
Local<Object> entry = NanNew<Object>();
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
ssTx << tx;
string strHex = HexStr(ssTx.begin(), ssTx.end());
entry->Set(NanNew<String>("hex"), NanNew<String>(strHex));
entry->Set(NanNew<String>("txid"), NanNew<String>(tx.GetHash().GetHex()));
entry->Set(NanNew<String>("version"), NanNew<Number>(tx.nVersion));
entry->Set(NanNew<String>("locktime"), NanNew<Number>(tx.nLockTime));
Local<Array> vin = NanNew<Array>();
int vi = 0;
BOOST_FOREACH(const CTxIn& txin, tx.vin) {
Local<Object> in = NanNew<Object>();
if (tx.IsCoinBase()) {
in->Set(NanNew<String>("coinbase"), NanNew<String>(HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
} else {
in->Set(NanNew<String>("txid"), NanNew<String>(txin.prevout.hash.GetHex()));
in->Set(NanNew<String>("vout"), NanNew<Number>((boost::int64_t)txin.prevout.n));
Local<Object> o = NanNew<Object>();
o->Set(NanNew<String>("asm"), NanNew<String>(txin.scriptSig.ToString()));
o->Set(NanNew<String>("hex"), NanNew<String>(HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
in->Set(NanNew<String>("scriptSig"), o);
}
in->Set(NanNew<String>("sequence"), NanNew<Number>((boost::int64_t)txin.nSequence));
vin->Set(vi, in);
vi++;
}
entry->Set(NanNew<String>("vin"), vin);
Local<Array> vout = NanNew<Array>();
for (unsigned int vo = 0; vo < tx.vout.size(); vo++) {
const CTxOut& txout = tx.vout[vo];
Local<Object> out = NanNew<Object>();
out->Set(NanNew<String>("value"), NanNew<Number>(txout.nValue));
out->Set(NanNew<String>("n"), NanNew<Number>((boost::int64_t)vo));
Local<Object> o = NanNew<Object>();
{
const CScript& scriptPubKey = txout.scriptPubKey;
Local<Object> out = o;
bool fIncludeHex = true;
txnouttype type;
vector<CTxDestination> addresses;
int nRequired;
out->Set(NanNew<String>("asm"), NanNew<String>(scriptPubKey.ToString()));
if (fIncludeHex) {
out->Set(NanNew<String>("hex"), NanNew<String>(HexStr(scriptPubKey.begin(), scriptPubKey.end())));
}
if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) {
out->Set(NanNew<String>("type"), NanNew<String>(GetTxnOutputType(type)));
} else {
out->Set(NanNew<String>("reqSigs"), NanNew<Number>(nRequired));
out->Set(NanNew<String>("type"), NanNew<String>(GetTxnOutputType(type)));
Local<Array> a = NanNew<Array>();
int ai = 0;
BOOST_FOREACH(const CTxDestination& addr, addresses) {
a->Set(ai, NanNew<String>(CBitcoinAddress(addr).ToString()));
ai++;
}
out->Set(NanNew<String>("addresses"), a);
}
}
out->Set(NanNew<String>("scriptPubKey"), o);
vout->Set(vo, out);
}
entry->Set(NanNew<String>("vout"), vout);
{
const uint256 hashBlock = block.GetHash();
if (hashBlock != 0) {
entry->Set(NanNew<String>("blockhash"), NanNew<String>(hashBlock.GetHex()));
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashBlock);
if (mi != mapBlockIndex.end() && (*mi).second) {
CBlockIndex* pindex = (*mi).second;
if (chainActive.Contains(pindex)) {
entry->Set(NanNew<String>("confirmations"),
NanNew<Number>(1 + chainActive.Height() - pindex->nHeight));
entry->Set(NanNew<String>("time"), NanNew<Number>((boost::int64_t)pindex->nTime));
entry->Set(NanNew<String>("blocktime"), NanNew<Number>((boost::int64_t)pindex->nTime));
} else {
entry->Set(NanNew<String>("confirmations"), NanNew<Number>(0));
}
}
}
}
txs->Set(ti, entry);
ti++;
}
obj->Set(NanNew<String>("tx"), txs);
obj->Set(NanNew<String>("time"), NanNew<Number>((boost::int64_t)block.GetBlockTime()));
obj->Set(NanNew<String>("nonce"), NanNew<Number>((boost::uint64_t)block.nNonce));
obj->Set(NanNew<String>("bits"), NanNew<Number>(block.nBits));
obj->Set(NanNew<String>("difficulty"), NanNew<Number>(GetDifficulty(blockindex)));
obj->Set(NanNew<String>("chainwork"), NanNew<String>(blockindex->nChainWork.GetHex()));
if (blockindex->pprev) {
obj->Set(NanNew<String>("previousblockhash"), NanNew<String>(blockindex->pprev->GetBlockHash().GetHex()));
}
CBlockIndex *pnext = chainActive.Next(blockindex);
if (pnext) {
obj->Set(NanNew<String>("nextblockhash"), NanNew<String>(pnext->GetBlockHash().GetHex()));
}
cblock_to_js(block, blockindex, obj);
const unsigned argc = 2;
Local<Value> argv[argc] = {
@ -999,85 +887,7 @@ async_get_tx_after(uv_work_t *req) {
Local<Object> entry = NanNew<Object>();
entry->Set(NanNew<String>("hex"), NanNew<String>(strHex));
entry->Set(NanNew<String>("txid"), NanNew<String>(tx.GetHash().GetHex()));
entry->Set(NanNew<String>("version"), NanNew<Number>(tx.nVersion));
entry->Set(NanNew<String>("locktime"), NanNew<Number>(tx.nLockTime));
Local<Array> vin = NanNew<Array>();
int vi = 0;
BOOST_FOREACH(const CTxIn& txin, tx.vin) {
Local<Object> in = NanNew<Object>();
if (tx.IsCoinBase()) {
in->Set(NanNew<String>("coinbase"), NanNew<String>(HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
} else {
in->Set(NanNew<String>("txid"), NanNew<String>(txin.prevout.hash.GetHex()));
in->Set(NanNew<String>("vout"), NanNew<Number>((boost::int64_t)txin.prevout.n));
Local<Object> o = NanNew<Object>();
o->Set(NanNew<String>("asm"), NanNew<String>(txin.scriptSig.ToString()));
o->Set(NanNew<String>("hex"), NanNew<String>(HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
in->Set(NanNew<String>("scriptSig"), o);
}
in->Set(NanNew<String>("sequence"), NanNew<Number>((boost::int64_t)txin.nSequence));
vin->Set(vi, in);
vi++;
}
entry->Set(NanNew<String>("vin"), vin);
Local<Array> vout = NanNew<Array>();
for (unsigned int vo = 0; vo < tx.vout.size(); vo++) {
const CTxOut& txout = tx.vout[vo];
Local<Object> out = NanNew<Object>();
out->Set(NanNew<String>("value"), NanNew<Number>(txout.nValue));
out->Set(NanNew<String>("n"), NanNew<Number>((boost::int64_t)vo));
Local<Object> o = NanNew<Object>();
{
const CScript& scriptPubKey = txout.scriptPubKey;
Local<Object> out = o;
bool fIncludeHex = true;
txnouttype type;
vector<CTxDestination> addresses;
int nRequired;
out->Set(NanNew<String>("asm"), NanNew<String>(scriptPubKey.ToString()));
if (fIncludeHex) {
out->Set(NanNew<String>("hex"), NanNew<String>(HexStr(scriptPubKey.begin(), scriptPubKey.end())));
}
if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) {
out->Set(NanNew<String>("type"), NanNew<String>(GetTxnOutputType(type)));
} else {
out->Set(NanNew<String>("reqSigs"), NanNew<Number>(nRequired));
out->Set(NanNew<String>("type"), NanNew<String>(GetTxnOutputType(type)));
Local<Array> a = NanNew<Array>();
int ai = 0;
BOOST_FOREACH(const CTxDestination& addr, addresses) {
a->Set(ai, NanNew<String>(CBitcoinAddress(addr).ToString()));
ai++;
}
out->Set(NanNew<String>("addresses"), a);
}
}
out->Set(NanNew<String>("scriptPubKey"), o);
vout->Set(vo, out);
}
entry->Set(NanNew<String>("vout"), vout);
if (hashBlock != 0) {
entry->Set(NanNew<String>("blockhash"), NanNew<String>(hashBlock.GetHex()));
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashBlock);
if (mi != mapBlockIndex.end() && (*mi).second) {
CBlockIndex* pindex = (*mi).second;
if (chainActive.Contains(pindex)) {
entry->Set(NanNew<String>("confirmations"),
NanNew<Number>(1 + chainActive.Height() - pindex->nHeight));
entry->Set(NanNew<String>("time"), NanNew<Number>((boost::int64_t)pindex->nTime));
entry->Set(NanNew<String>("blocktime"), NanNew<Number>((boost::int64_t)pindex->nTime));
} else {
entry->Set(NanNew<String>("confirmations"), NanNew<Number>(0));
}
}
}
ctx_to_js(tx, hashBlock, entry);
const unsigned argc = 2;
Local<Value> argv[argc] = {
@ -1196,6 +1006,217 @@ async_poll_blocks_after(uv_work_t *req) {
delete req;
}
/**
* Conversions
*/
static void
cblock_to_js(const CBlock& block, const CBlockIndex* blockindex, Local<Object> obj) {
obj->Set(NanNew<String>("hash"), NanNew<String>(block.GetHash().GetHex().c_str()));
CMerkleTx txGen(block.vtx[0]);
txGen.SetMerkleBranch(&block);
obj->Set(NanNew<String>("confirmations"), NanNew<Number>((int)txGen.GetDepthInMainChain()));
obj->Set(NanNew<String>("size"), NanNew<Number>((int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
obj->Set(NanNew<String>("height"), NanNew<Number>(blockindex->nHeight));
obj->Set(NanNew<String>("version"), NanNew<Number>(block.nVersion));
obj->Set(NanNew<String>("merkleroot"), NanNew<String>(block.hashMerkleRoot.GetHex()));
Local<Array> txs = NanNew<Array>();
int ti = 0;
BOOST_FOREACH(const CTransaction& tx, block.vtx) {
Local<Object> entry = NanNew<Object>();
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
ssTx << tx;
string strHex = HexStr(ssTx.begin(), ssTx.end());
entry->Set(NanNew<String>("hex"), NanNew<String>(strHex));
entry->Set(NanNew<String>("txid"), NanNew<String>(tx.GetHash().GetHex()));
entry->Set(NanNew<String>("version"), NanNew<Number>(tx.nVersion));
entry->Set(NanNew<String>("locktime"), NanNew<Number>(tx.nLockTime));
Local<Array> vin = NanNew<Array>();
int vi = 0;
BOOST_FOREACH(const CTxIn& txin, tx.vin) {
Local<Object> in = NanNew<Object>();
if (tx.IsCoinBase()) {
in->Set(NanNew<String>("coinbase"), NanNew<String>(HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
} else {
in->Set(NanNew<String>("txid"), NanNew<String>(txin.prevout.hash.GetHex()));
in->Set(NanNew<String>("vout"), NanNew<Number>((boost::int64_t)txin.prevout.n));
Local<Object> o = NanNew<Object>();
o->Set(NanNew<String>("asm"), NanNew<String>(txin.scriptSig.ToString()));
o->Set(NanNew<String>("hex"), NanNew<String>(HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
in->Set(NanNew<String>("scriptSig"), o);
}
in->Set(NanNew<String>("sequence"), NanNew<Number>((boost::int64_t)txin.nSequence));
vin->Set(vi, in);
vi++;
}
entry->Set(NanNew<String>("vin"), vin);
Local<Array> vout = NanNew<Array>();
for (unsigned int vo = 0; vo < tx.vout.size(); vo++) {
const CTxOut& txout = tx.vout[vo];
Local<Object> out = NanNew<Object>();
out->Set(NanNew<String>("value"), NanNew<Number>(txout.nValue));
out->Set(NanNew<String>("n"), NanNew<Number>((boost::int64_t)vo));
Local<Object> o = NanNew<Object>();
{
const CScript& scriptPubKey = txout.scriptPubKey;
Local<Object> out = o;
bool fIncludeHex = true;
txnouttype type;
vector<CTxDestination> addresses;
int nRequired;
out->Set(NanNew<String>("asm"), NanNew<String>(scriptPubKey.ToString()));
if (fIncludeHex) {
out->Set(NanNew<String>("hex"), NanNew<String>(HexStr(scriptPubKey.begin(), scriptPubKey.end())));
}
if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) {
out->Set(NanNew<String>("type"), NanNew<String>(GetTxnOutputType(type)));
} else {
out->Set(NanNew<String>("reqSigs"), NanNew<Number>(nRequired));
out->Set(NanNew<String>("type"), NanNew<String>(GetTxnOutputType(type)));
Local<Array> a = NanNew<Array>();
int ai = 0;
BOOST_FOREACH(const CTxDestination& addr, addresses) {
a->Set(ai, NanNew<String>(CBitcoinAddress(addr).ToString()));
ai++;
}
out->Set(NanNew<String>("addresses"), a);
}
}
out->Set(NanNew<String>("scriptPubKey"), o);
vout->Set(vo, out);
}
entry->Set(NanNew<String>("vout"), vout);
{
const uint256 hashBlock = block.GetHash();
if (hashBlock != 0) {
entry->Set(NanNew<String>("blockhash"), NanNew<String>(hashBlock.GetHex()));
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashBlock);
if (mi != mapBlockIndex.end() && (*mi).second) {
CBlockIndex* pindex = (*mi).second;
if (chainActive.Contains(pindex)) {
entry->Set(NanNew<String>("confirmations"),
NanNew<Number>(1 + chainActive.Height() - pindex->nHeight));
entry->Set(NanNew<String>("time"), NanNew<Number>((boost::int64_t)pindex->nTime));
entry->Set(NanNew<String>("blocktime"), NanNew<Number>((boost::int64_t)pindex->nTime));
} else {
entry->Set(NanNew<String>("confirmations"), NanNew<Number>(0));
}
}
}
}
txs->Set(ti, entry);
ti++;
}
obj->Set(NanNew<String>("tx"), txs);
obj->Set(NanNew<String>("time"), NanNew<Number>((boost::int64_t)block.GetBlockTime()));
obj->Set(NanNew<String>("nonce"), NanNew<Number>((boost::uint64_t)block.nNonce));
obj->Set(NanNew<String>("bits"), NanNew<Number>(block.nBits));
obj->Set(NanNew<String>("difficulty"), NanNew<Number>(GetDifficulty(blockindex)));
obj->Set(NanNew<String>("chainwork"), NanNew<String>(blockindex->nChainWork.GetHex()));
if (blockindex->pprev) {
obj->Set(NanNew<String>("previousblockhash"), NanNew<String>(blockindex->pprev->GetBlockHash().GetHex()));
}
CBlockIndex *pnext = chainActive.Next(blockindex);
if (pnext) {
obj->Set(NanNew<String>("nextblockhash"), NanNew<String>(pnext->GetBlockHash().GetHex()));
}
}
static void
ctx_to_js(const CTransaction& tx, uint256 hashBlock, Local<Object> entry) {
// entry->Set(NanNew<String>("hex"), NanNew<String>(strHex));
entry->Set(NanNew<String>("txid"), NanNew<String>(tx.GetHash().GetHex()));
entry->Set(NanNew<String>("version"), NanNew<Number>(tx.nVersion));
entry->Set(NanNew<String>("locktime"), NanNew<Number>(tx.nLockTime));
Local<Array> vin = NanNew<Array>();
int vi = 0;
BOOST_FOREACH(const CTxIn& txin, tx.vin) {
Local<Object> in = NanNew<Object>();
if (tx.IsCoinBase()) {
in->Set(NanNew<String>("coinbase"), NanNew<String>(HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
} else {
in->Set(NanNew<String>("txid"), NanNew<String>(txin.prevout.hash.GetHex()));
in->Set(NanNew<String>("vout"), NanNew<Number>((boost::int64_t)txin.prevout.n));
Local<Object> o = NanNew<Object>();
o->Set(NanNew<String>("asm"), NanNew<String>(txin.scriptSig.ToString()));
o->Set(NanNew<String>("hex"), NanNew<String>(HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
in->Set(NanNew<String>("scriptSig"), o);
}
in->Set(NanNew<String>("sequence"), NanNew<Number>((boost::int64_t)txin.nSequence));
vin->Set(vi, in);
vi++;
}
entry->Set(NanNew<String>("vin"), vin);
Local<Array> vout = NanNew<Array>();
for (unsigned int vo = 0; vo < tx.vout.size(); vo++) {
const CTxOut& txout = tx.vout[vo];
Local<Object> out = NanNew<Object>();
out->Set(NanNew<String>("value"), NanNew<Number>(txout.nValue));
out->Set(NanNew<String>("n"), NanNew<Number>((boost::int64_t)vo));
Local<Object> o = NanNew<Object>();
{
const CScript& scriptPubKey = txout.scriptPubKey;
Local<Object> out = o;
bool fIncludeHex = true;
txnouttype type;
vector<CTxDestination> addresses;
int nRequired;
out->Set(NanNew<String>("asm"), NanNew<String>(scriptPubKey.ToString()));
if (fIncludeHex) {
out->Set(NanNew<String>("hex"), NanNew<String>(HexStr(scriptPubKey.begin(), scriptPubKey.end())));
}
if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) {
out->Set(NanNew<String>("type"), NanNew<String>(GetTxnOutputType(type)));
} else {
out->Set(NanNew<String>("reqSigs"), NanNew<Number>(nRequired));
out->Set(NanNew<String>("type"), NanNew<String>(GetTxnOutputType(type)));
Local<Array> a = NanNew<Array>();
int ai = 0;
BOOST_FOREACH(const CTxDestination& addr, addresses) {
a->Set(ai, NanNew<String>(CBitcoinAddress(addr).ToString()));
ai++;
}
out->Set(NanNew<String>("addresses"), a);
}
}
out->Set(NanNew<String>("scriptPubKey"), o);
vout->Set(vo, out);
}
entry->Set(NanNew<String>("vout"), vout);
if (hashBlock != 0) {
entry->Set(NanNew<String>("blockhash"), NanNew<String>(hashBlock.GetHex()));
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashBlock);
if (mi != mapBlockIndex.end() && (*mi).second) {
CBlockIndex* pindex = (*mi).second;
if (chainActive.Contains(pindex)) {
entry->Set(NanNew<String>("confirmations"),
NanNew<Number>(1 + chainActive.Height() - pindex->nHeight));
entry->Set(NanNew<String>("time"), NanNew<Number>((boost::int64_t)pindex->nTime));
entry->Set(NanNew<String>("blocktime"), NanNew<Number>((boost::int64_t)pindex->nTime));
} else {
entry->Set(NanNew<String>("confirmations"), NanNew<Number>(0));
}
}
}
}
/**
* Init
*/