parse leveldb correctly.
This commit is contained in:
Christopher Jeffrey
parent
5ad347c892
commit
628b20b982
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@ -187,7 +187,7 @@ using namespace v8;
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#define EMPTY ("\\x01")
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// LevelDB options
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#define USE_LDB_ADDR 1
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#define USE_LDB_ADDR 0
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/**
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* Node.js Exposed Function Templates
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@ -5885,15 +5885,49 @@ read_addr(const std::string addr) {
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while (pcursor->Valid()) {
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boost::this_thread::interruption_point();
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char *k_debug = NULL;
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leveldb::Slice lastKey = pcursor->key();
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leveldb::Slice lastVal = pcursor->value();
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try {
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leveldb::Slice slKey = pcursor->key();
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CDataStream ssKey(slKey.data(), slKey.data() + slKey.size(), SER_DISK, CLIENT_VERSION);
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char type;
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ssKey >> type;
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// Blockchain Index Structure:
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// http://bitcoin.stackexchange.com/questions/28168
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// File info record structure (Key: 4-byte file number)
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// Number of blocks stored in block file
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// Size of block file: blocks/blkXXXXX.dat
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// Size of undo file: blocks/revXXXXX.dat
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// Low and high heights of blocks stored in file
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// Low and high timestamps of blocks stored in file
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if (type == 'f') {
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goto found;
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}
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// Last block file number used structure (Key: no key)
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// 4-byte file number
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if (type == 'l') {
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goto found;
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}
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// Reindexing structure (Key: no key)
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// 1-byte Boolean (1 if reindexing)
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if (type == 'R') {
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goto found;
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}
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// Flags structure (Key: 1-byte flag name + flag name string)
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// 1-byte Boolean (key may be `txindex` if transaction index is enabled)
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if (type == 'F') {
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goto found;
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}
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// Block Structure:
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// CBlockHeader - headers
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// CDiskBlockPos - block file and pos
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// CDiskBlockPos - undo file and pos
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if (type == 'b') {
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leveldb::Slice slValue = pcursor->value();
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@ -5905,19 +5939,51 @@ read_addr(const std::string addr) {
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CBlockHeader header;
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ssValue >> header;
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// XXX This is not being parsed right. Check math/logic.
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CDiskBlockPos blockPos;
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ssValue >> blockPos;
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CDiskBlockPos undoPos;
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ssValue >> undoPos;
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// CDiskBlockPos undoPos;
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// ssValue >> undoPos;
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CBlock cblock;
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if (ReadBlockFromDisk(cblock, blockPos)) {
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k_debug = strdup(blockhash.GetHex().c_str());
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BOOST_FOREACH(const CTransaction& ctx, cblock.vtx) {
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BOOST_FOREACH(const CTxIn& txin, ctx.vin) {
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if (txin.scriptSig.ToString() != expectedScriptSig.ToString()) {
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if (!ReadBlockFromDisk(cblock, blockPos)) {
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goto found;
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}
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BOOST_FOREACH(const CTransaction& ctx, cblock.vtx) {
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BOOST_FOREACH(const CTxIn& txin, ctx.vin) {
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if (txin.scriptSig.ToString() != expectedScriptSig.ToString()) {
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continue;
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}
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if (cur == NULL) {
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head->ctx = ctx;
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head->blockhash = blockhash;
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head->next = NULL;
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cur = head;
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} else {
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ctx_list *item = new ctx_list();
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item->ctx = ctx;
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item->blockhash = blockhash;
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item->next = NULL;
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cur->next = item;
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cur = item;
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}
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goto found;
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}
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for (unsigned int vo = 0; vo < ctx.vout.size(); vo++) {
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const CTxOut& txout = ctx.vout[vo];
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const CScript& scriptPubKey = txout.scriptPubKey;
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int nRequired;
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txnouttype type;
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vector<CTxDestination> addresses;
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if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) {
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continue;
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}
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BOOST_FOREACH(const CTxDestination& address, addresses) {
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if (CBitcoinAddress(address).ToString() != addr) {
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continue;
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}
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if (cur == NULL) {
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@ -5935,39 +6001,14 @@ read_addr(const std::string addr) {
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}
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goto found;
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}
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for (unsigned int vo = 0; vo < ctx.vout.size(); vo++) {
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const CTxOut& txout = ctx.vout[vo];
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const CScript& scriptPubKey = txout.scriptPubKey;
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int nRequired;
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txnouttype type;
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vector<CTxDestination> addresses;
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if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) {
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continue;
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}
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BOOST_FOREACH(const CTxDestination& address, addresses) {
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if (CBitcoinAddress(address).ToString() != addr) {
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continue;
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}
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if (cur == NULL) {
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head->ctx = ctx;
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head->blockhash = blockhash;
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head->next = NULL;
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cur = head;
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} else {
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ctx_list *item = new ctx_list();
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item->ctx = ctx;
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item->blockhash = blockhash;
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item->next = NULL;
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cur->next = item;
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cur = item;
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}
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goto found;
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}
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}
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}
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}
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}
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// Transaction Structure:
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// CDiskBlockPos.nFile - block file
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// CDiskBlockPos.nPos - block pos
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// CDiskTxPos.nTxOffset - offset from top of block
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if (type == 't') {
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leveldb::Slice slValue = pcursor->value();
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@ -5976,61 +6017,112 @@ read_addr(const std::string addr) {
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uint256 txhash;
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ssKey >> txhash;
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k_debug = strdup(txhash.GetHex().c_str());
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CDiskBlockPos blockPos;
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ssValue >> blockPos.nFile;
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ssValue >> blockPos.nPos;
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CDiskTxPos txPos;
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//ssValue >> txPos.nFile;
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//ssValue >> txPos.nPos;
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// ssValue >> txPos.nFile;
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// ssValue >> txPos.nPos;
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txPos.nFile = blockPos.nFile;
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txPos.nPos = blockPos.nPos;
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ssValue >> txPos.nTxOffset;
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}
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found:
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if (k_debug != NULL) {
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free(k_debug);
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CTransaction ctx;
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uint256 blockhash;
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if (!pblocktree->ReadTxIndex(txhash, txPos)) {
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goto found;
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}
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CAutoFile file(OpenBlockFile(txPos, true), SER_DISK, CLIENT_VERSION);
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CBlockHeader header;
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try {
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file >> header;
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fseek(file.Get(), txPos.nTxOffset, SEEK_CUR);
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file >> ctx;
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} catch (std::exception &e) {
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goto error;
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}
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if (ctx.GetHash() != txhash) {
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goto error;
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}
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blockhash = header.GetHash();
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BOOST_FOREACH(const CTxIn& txin, ctx.vin) {
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if (txin.scriptSig.ToString() != expectedScriptSig.ToString()) {
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continue;
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}
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if (cur == NULL) {
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head->ctx = ctx;
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head->blockhash = blockhash;
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head->next = NULL;
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cur = head;
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} else {
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ctx_list *item = new ctx_list();
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item->ctx = ctx;
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item->blockhash = blockhash;
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item->next = NULL;
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cur->next = item;
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cur = item;
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}
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goto found;
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}
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for (unsigned int vo = 0; vo < ctx.vout.size(); vo++) {
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const CTxOut& txout = ctx.vout[vo];
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const CScript& scriptPubKey = txout.scriptPubKey;
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int nRequired;
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txnouttype type;
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vector<CTxDestination> addresses;
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if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) {
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continue;
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}
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BOOST_FOREACH(const CTxDestination& address, addresses) {
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if (CBitcoinAddress(address).ToString() != addr) {
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continue;
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}
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if (cur == NULL) {
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head->ctx = ctx;
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head->blockhash = blockhash;
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head->next = NULL;
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cur = head;
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} else {
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ctx_list *item = new ctx_list();
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item->ctx = ctx;
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item->blockhash = blockhash;
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item->next = NULL;
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cur->next = item;
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cur = item;
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}
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goto found;
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}
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}
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}
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k_debug = NULL;
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found:
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pcursor->Next();
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} catch (std::exception &e) {
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//CDataStream ssk(SER_NETWORK, PROTOCOL_VERSION);
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//ssk << lastKey.ToString();
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//std::string lastKeyHex = HexStr(ssk.begin(), ssk.end());
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pcursor->Next();
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continue;
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leveldb::Slice lastKey = pcursor->key();
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std::string lastKeyHex = HexStr(lastKey.ToString());
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//CDataStream ssv(SER_NETWORK, PROTOCOL_VERSION);
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//ssv << lastVal.ToString();
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//std::string lastValHex = HexStr(ssv.begin(), ssv.end());
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std::string lastValHex = HexStr(lastVal.ToString());
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head->err_msg = std::string(lastKeyHex + std::string(": ") + lastValHex);
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//head->err_msg = std::string(
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// e.what()
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// + std::string(" : Deserialize or I/O error. Key: ")
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// + (k_debug != NULL ? std::string(k_debug) : std::string("NULL"))
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//);
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if (k_debug != NULL) {
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free(k_debug);
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}
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k_debug = NULL;
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head->err_msg = std::string(e.what()
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+ std::string(" : Deserialize error. Key: ")
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+ lastKeyHex);
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delete pcursor;
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return head;
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//pcursor->Next();
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//continue;
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}
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}
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delete pcursor;
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return head;
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error:
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head->err_msg = std::string("Deserialize Error.");
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delete pcursor;
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return head;
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}
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#endif
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