Function searchlogs

src/rpcblockchain.cpp:623–707

};

UniValue searchlogs(const UniValue& params, bool fHelp)
{
    if (fHelp || params.size() < 2)
        throw std::runtime_error(
                "searchlogs <fromBlock> <toBlock> (address) (topics)\n"
                "requires -logevents to be enabled"
                "\nArgument:\n"
                "1. \"fromBlock\"        (numeric, required) The number of the earliest block (latest may be given to mean the most recent block).\n"
                "2. \"toBlock\"          (string, required) The number of the latest block (-1 may be given to mean the most recent block).\n"
                "3. \"address\"          (string, optional) An address or a list of addresses to only get logs from particular account(s).\n"
                "4. \"topics\"           (string, optional) An array of values from which at least one must appear in the log entries. The order is important, if you want to leave topics out use null, e.g. [\"null\", \"0x00...\"]. \n"
                "5. \"minconf\"          (uint, optional, default=0) Minimal number of confirmations before a log is returned\n"
                "\nExamples:\n"
                + HelpExampleCli("searchlogs", "0 472000 '{\"addresses\": [\"04159f89d938b5d2de4b67bdbf482f788a97946a\"]}' '{\"topics\": [\"null\",\"ddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\"]}'")
                + HelpExampleRpc("searchlogs", "0 472000 {\"addresses\": [\"04159f89d938b5d2de4b67bdbf482f788a97946a\"]} {\"topics\": [\"null\",\"ddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\"]}")
        );

    if(!fLogEvents)
        throw JSONRPCError(RPC_INTERNAL_ERROR, "Events indexing disabled");

    int curheight = 0;

    LOCK(cs_main);

    SearchLogsParams logsParams(params);

    std::vector<std::vector<uint256>> hashesToBlock;

    curheight = pblocktree->ReadHeightIndex(logsParams.fromBlock, logsParams.toBlock, logsParams.minconf, hashesToBlock, logsParams.addresses);

    if (curheight == -1) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Incorrect params");
    }

    UniValue result(UniValue::VARR);

    auto topics = logsParams.topics;

    for(const auto& hashesTx : hashesToBlock)
    {
        for(const auto& e : hashesTx)
        {
            std::vector<TransactionReceiptInfo> receipts = pstorageresult->getResult(uintToh256(e));

            for(const auto& receipt : receipts) {
                if(receipt.logs.empty()) {
                    continue;
                }

                if (!topics.empty()) {
                    for (size_t i = 0; i < topics.size(); i++) {
                        const auto& tc = topics[i];

                        if (!tc) {
                            continue;
                        }

                        for (const auto& log: receipt.logs) {