vector<bool> GetCoinsByTxHash(const HashValue& hash) override {
DbDataReader dr = m_cmdTxFindCoins.Bind(1, ReducedHashValue(hash)).ExecuteVector();
vector<bool> vec;
if (!dr.IsDBNull(0)) {
CMemReadStream stm(dr.GetBytes(0));
for (int v; (v=stm.ReadByte())!=-1;) {
for (int i=0; i<8; ++i)
vec.push_back(v & (1 << i));
}
}
return vec;
}
pair<int, int> FindPrevTxCoords(DbWriter& wr, int height, const HashValue& hash) override {
//!!! ASSERT(!MtxSqlite.try_lock());
DbDataReader dr = m_cmdTxHashToBlockordIdx
.Bind(1, ReducedHashValue(hash))
.ExecuteVector();
int heightOut = dr.GetInt32(0);
wr.Write7BitEncoded(height-heightOut+1);
pair<int, int> pp = TxHashesOutNums(dr.GetBytes(1)).StartingTxOutIdx(hash);
if (pp.second < 0)
Throw(E_COIN_InconsistentDatabase);
return pp;
}
Blob FindPubkey(Int64 id) override {
EXT_LOCK (MtxSqlite) {
DbDataReader dr = CmdPubkeyIdToData.Bind(1, id).ExecuteReader();
return dr.Read() ? Blob(dr.GetBytes(0)) : Blob(nullptr);
}
}