Function ExQueryAccountBalanceFunc

src/vm/luavm/lmylib.cpp:1141–1174

*bool QueryAccountBalance(const uint8_t* const account,Int64* const pBalance) * 这个函数式从中间层传了一个参数过来: * 1.第一个是 账户id,六个字节 */

 * 1.第一个是 账户id,六个字节
 */
int32_t ExQueryAccountBalanceFunc(lua_State *L) {
    vector<std::shared_ptr<vector<uint8_t>>> retdata;
    if (!GetArray(L, retdata) || retdata.size() != 1 ||
        !(retdata.at(0).get()->size() == 6 || retdata.at(0).get()->size() == 34)) {
        return RetFalse("ExQueryAccountBalanceFunc para err1");
    }

    CLuaVMRunEnv *pVmRunEnv = GetVmRunEnv(L);
    if (nullptr == pVmRunEnv) {
        return RetFalse("pVmRunEnv is nullptr");
    }

    LUA_BurnFuncCall(L, FUEL_ACCOUNT_GET_VALUE, BURN_VER_R2);
    CKeyID addrKeyId;
    if (!GetKeyId(pVmRunEnv, *retdata.at(0).get(), addrKeyId)) {
        return RetFalse("ExQueryAccountBalanceFunc para err2");
    }

    CUserID uid(addrKeyId);
    int32_t len = 0;
    shared_ptr<CAccount> spAccount = pVmRunEnv->GetAccount(uid);
    if (!spAccount) {
        LogPrint(BCLog::LUAVM, "[ERROR] The account not exist! address=%s\n", uid.ToDebugString());
        return 0;
    }

    uint64_t nbalance = spAccount->GetToken(SYMB::WICC).free_amount;
    CDataStream tep(SER_DISK, CLIENT_VERSION);
    tep << nbalance;
    vector<uint8_t> TMP(tep.begin(), tep.end());
    len = RetRstToLua(L, TMP);

    return len;
}

/**
 *uint32_t GetTxConfirmHeight(const void * const txid)