Function rest_tx

src/rest.cpp:839–896

}

static bool rest_tx(const std::any& context, HTTPRequest* req, const std::string& uri_part)
{
    if (!CheckWarmup(req))
        return false;
    std::string hashStr;
    const RESTResponseFormat rf = ParseDataFormat(hashStr, uri_part);

    auto hash{Txid::FromHex(hashStr)};
    if (!hash) {
        return RESTERR(req, HTTP_BAD_REQUEST, "Invalid hash: " + hashStr);
    }

    if (g_txindex) {
        g_txindex->BlockUntilSyncedToCurrentChain();
    }

    const NodeContext* const node = GetNodeContext(context, req);
    if (!node) return false;
    uint256 hashBlock = uint256();
    const CTransactionRef tx{GetTransaction(/*block_index=*/nullptr, node->mempool.get(), *hash,  node->chainman->m_blockman, hashBlock)};
    if (!tx) {
        return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not found");
    }

    switch (rf) {
    case RESTResponseFormat::BINARY: {
        DataStream ssTx;
        ssTx << TX_WITH_WITNESS(tx);

        req->WriteHeader("Content-Type", "application/octet-stream");
        req->WriteReply(HTTP_OK, ssTx);
        return true;
    }

    case RESTResponseFormat::HEX: {
        DataStream ssTx;
        ssTx << TX_WITH_WITNESS(tx);

        std::string strHex = HexStr(ssTx) + "\n";
        req->WriteHeader("Content-Type", "text/plain");
        req->WriteReply(HTTP_OK, strHex);
        return true;
    }

    case RESTResponseFormat::JSON: {
        UniValue objTx(UniValue::VOBJ);
        TxToUniv(*tx, /*block_hash=*/hashBlock, /*entry=*/ objTx);
        std::string strJSON = objTx.write() + "\n";
        req->WriteHeader("Content-Type", "application/json");
        req->WriteReply(HTTP_OK, strJSON);
        return true;
    }

    default: {
        return RESTERR(req, HTTP_NOT_FOUND, "output format not found (available: " + AvailableDataFormatsString() + ")");
    }
    }
}