Function rest_block

src/rest.cpp:277–343

}

static bool rest_block(const std::any& context,
                       HTTPRequest* req,
                       const std::string& strURIPart,
                       TxVerbosity tx_verbosity)
{
    if (!CheckWarmup(req))
        return false;
    std::string hashStr;
    const RetFormat rf = ParseDataFormat(hashStr, strURIPart);

    uint256 hash;
    if (!ParseHashStr(hashStr, hash))
        return RESTERR(req, HTTP_BAD_REQUEST, "Invalid hash: " + hashStr);

    CBlock block;
    CBlockIndex* pblockindex = nullptr;
    CBlockIndex* tip = nullptr;
    {
        ChainstateManager* maybe_chainman = GetChainman(context, req);
        if (!maybe_chainman) return false;
        ChainstateManager& chainman = *maybe_chainman;
        LOCK(cs_main);
        tip = chainman.ActiveChain().Tip();
        pblockindex = chainman.m_blockman.LookupBlockIndex(hash);
        if (!pblockindex) {
            return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not found");
        }

        if (IsBlockPruned(pblockindex))
            return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not available (pruned data)");

        if (!ReadBlockFromDisk(block, pblockindex, Params().GetConsensus()))
            return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not found");
    }

    switch (rf) {
    case RetFormat::BINARY: {
        CDataStream ssBlock(SER_NETWORK, PROTOCOL_VERSION | RPCSerializationFlags());
        ssBlock << block;
        std::string binaryBlock = ssBlock.str();
        req->WriteHeader("Content-Type", "application/octet-stream");
        req->WriteReply(HTTP_OK, binaryBlock);
        return true;
    }

    case RetFormat::HEX: {
        CDataStream ssBlock(SER_NETWORK, PROTOCOL_VERSION | RPCSerializationFlags());
        ssBlock << block;
        std::string strHex = HexStr(ssBlock) + "\n";
        req->WriteHeader("Content-Type", "text/plain");
        req->WriteReply(HTTP_OK, strHex);
        return true;
    }

    case RetFormat::JSON: {
        UniValue objBlock = blockToJSON(block, tip, pblockindex, tx_verbosity);
        std::string strJSON = objBlock.write() + "\n";
        req->WriteHeader("Content-Type", "application/json");