Function rest_block

src/rest.cpp:209–282

}

static bool rest_block(HTTPRequest* req,
                       const std::string& strURIPart,
                       bool showTxDetails)
{
    if (!CheckWarmup(req))
        return false;
    std::string param, hashStr;
    const RetFormat rf = ParseDataFormat(param, strURIPart);
    std::vector<std::string> path;
    boost::split(path, param, boost::is_any_of("/"));
    bool legacy_format = false;
    if (path.size() == 1) {          
        hashStr = path[0];
    }
    else {
        legacy_format = true;  //use old rule if URI=/legacy/<BLOCK-HASH>
        hashStr = path[1];
    }

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

    CBlock block;
    CBlockIndex* pblockindex = nullptr;
    {
        LOCK(cs_main);
        pblockindex = 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");
    }
    int ser_flags = legacy_format ? SERIALIZE_BLOCK_LEGACY : 0;
    CDataStream ssBlock(SER_NETWORK, PROTOCOL_VERSION | RPCSerializationFlags() | ser_flags);
    ssBlock << block;

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

    case RetFormat::HEX: {
        std::string strHex = HexStr(ssBlock.begin(), ssBlock.end()) + "\n";
        req->WriteHeader("Content-Type", "text/plain");
        req->WriteReply(HTTP_OK, strHex);
        return true;
    }

    case RetFormat::JSON: {