Function GetDataTableWriteDataDB

src/vm/luavm/lmylib.cpp:1289–1333

}

static bool GetDataTableWriteDataDB(lua_State *L, vector<std::shared_ptr<std::vector<uint8_t>>> &ret) {
    //取写数据库的key value
    if (!lua_istable(L, -1)) {
        LogPrint(BCLog::LUAVM, "GetDataTableWriteDataDB is not table\n");
        return false;
    }
    uint16_t len = 0;
    vector<uint8_t> vBuf;
    //取key
    string key = "";
    if (!(getStringInTable(L, (char *)"key", key))) {
        LogPrint(BCLog::LUAVM, "key get fail\n");
        return false;
    } else {
        // LogPrint(BCLog::LUAVM, "key:%s\n", key);
    }
    vBuf.clear();
    for (size_t i = 0; i < key.size(); i++) {
        vBuf.insert(vBuf.end(), key.at(i));
    }
    ret.insert(ret.end(), std::make_shared<vector<uint8_t>>(vBuf.begin(), vBuf.end()));

    //取value的长度
    double doubleValue = 0;
    if (!(getNumberInTable(L, (char *)"length", doubleValue))) {
        LogPrint(BCLog::LUAVM, "length get fail\n");
        return false;
    } else {
        len = (uint16_t)doubleValue;
        // LogPrint(BCLog::LUAVM, "len =%d\n", len);
    }
    if ((len > 0) && (len <= LUA_C_BUFFER_SIZE)) {
        if (!getArrayInTable(L, (char *)"value", len, vBuf)) {
            LogPrint(BCLog::LUAVM, "value is not table\n");
            return false;
        } else {
            // LogPrint(BCLog::LUAVM, "value:%s\n", HexStr(vBuf).c_str());
            ret.insert(ret.end(), std::make_shared<vector<uint8_t>>(vBuf.begin(), vBuf.end()));
        }
        return true;
    } else {
        LogPrint(BCLog::LUAVM, "len overflow\n");
        return false;
    }
}

/**
 *bool WriteDataDB(const void* const key,const uint8_t keylen,const void * const value,const uint16_t valuelen,const uint32_t time)