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onion-wownero-blockchain-explorer
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mylmdb.h updated

This commit is contained in:
moneroexamples 2016-05-21 00:17:31 +00:00
parent d6c2e8fc49
commit d4871afa91
1 changed files with 47 additions and 14 deletions
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61
src/mylmdb.h
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@ -26,13 +26,23 @@ namespace xmreg
*/
struct output_info
{
crypto::public_key out_pub_key;
crypto::hash tx_hash;
crypto::public_key tx_pub_key;
uint64_t amount;
uint64_t index_in_tx;
};
std::ostream& operator<<(std::ostream& os, const output_info& out_info)
{
os << ", out_pub_key: " << out_info.out_pub_key
<< ", tx_hash: " << out_info.tx_hash
<< ", tx_pub_key: " << out_info.tx_pub_key
<< ", amount: " << XMR_AMOUNT(out_info.amount)
<< ", index_in_tx: " << out_info.index_in_tx;
return os;
}
class MyLMDB
{
@ -131,7 +141,7 @@ namespace xmreg
}
bool
write_output_public_keys(const transaction& tx)
write_output_public_keys(const transaction& tx, const block& blk)
{
crypto::hash tx_hash = get_transaction_hash(tx);
@ -154,7 +164,8 @@ namespace xmreg
wtxn = lmdb::txn::begin(m_env);
wdbi1 = lmdb::dbi::open(wtxn, "output_public_keys", flags);
wdbi2 = lmdb::dbi::open(wtxn, "output_amounts", flags);
wdbi3 = lmdb::dbi::open(wtxn, "output_info", flags);
wdbi3 = lmdb::dbi::open(wtxn, "output_info",
flags | MDB_INTEGERKEY | MDB_INTEGERDUP);
}
catch (lmdb::error& e )
{
@ -164,7 +175,10 @@ namespace xmreg
for (auto& output: outputs)
{
string public_key_str = pod_to_hex(std::get<0>(output).key);
public_key out_pub_key = std::get<0>(output).key;
string public_key_str = pod_to_hex(out_pub_key);
lmdb::val public_key_val {public_key_str};
lmdb::val tx_hash_val {tx_hash_str};
@ -175,15 +189,18 @@ namespace xmreg
uint64_t index_in_tx = std::get<2>(output);
output_info out_info {out_pub_key, tx_hash, tx_pub_key, amount, index_in_tx};
output_info out_info {tx_hash, tx_pub_key, amount, index_in_tx};
uint64_t out_timestamp = blk.timestamp;
lmdb::val out_info_val {static_cast<void*>(&out_info), sizeof(out_info)};
lmdb::val out_timestamp_val {static_cast<void*>(&out_timestamp),
sizeof(out_timestamp)};
lmdb::val out_info_val {static_cast<void*>(&out_info),
sizeof(out_info)};
wdbi1.put(wtxn, public_key_val, tx_hash_val);
wdbi2.put(wtxn, public_key_val, amount_val);
wdbi3.put(wtxn, public_key_val, out_info_val);
wdbi3.put(wtxn, out_timestamp_val, out_info_val);
}
try
@ -411,8 +428,8 @@ namespace xmreg
bool
get_output_info(const string& key,
output_info& out_info,
get_output_info(uint64_t key_timestamp,
vector<output_info>& out_infos,
const string& db_name = "output_info")
{
@ -424,16 +441,32 @@ namespace xmreg
lmdb::txn rtxn = lmdb::txn::begin(m_env, nullptr, MDB_RDONLY);
lmdb::dbi rdbi = lmdb::dbi::open(rtxn, db_name.c_str(), flags);
lmdb::val key_to_find{key};
lmdb::val key_to_find{static_cast<void*>(&key_timestamp),
sizeof(key_timestamp)};
lmdb::val info_val;
if(!rdbi.get(rtxn, key_to_find, info_val))
lmdb::cursor cr = lmdb::cursor::open(rtxn, rdbi);
// set cursor the the first item
if (cr.get(key_to_find, info_val, MDB_SET))
{
out_infos.push_back(*(info_val.data<output_info>()));
// process other values for the same key
while (cr.get(key_to_find, info_val, MDB_NEXT_DUP))
{
//cout << key_val_to_str(key_to_find, tx_hash_val) << endl;
out_infos.push_back(*(info_val.data<output_info>()));
}
}
else
{
return false;
}
out_info = *(info_val.data<output_info>());
rtxn.abort();
}
@ -471,7 +504,7 @@ namespace xmreg
public_key pub_key;
hex_to_pod(string(key_to_find.data(), key_to_find.size()),
pub_key);
pub_key);
output_info out_info = *(amount_val.data<output_info>());