}
	}

	if opts.WantChecksum != nil {
		if checksumType.FullObjectRequested() {
			if opts.WantChecksum.Encoded != checksum.Encoded {
				err := hash.ChecksumMismatch{
					Want: opts.WantChecksum.Encoded,
					Got:  checksum.Encoded,
				}
				return oi, err
			}
		} else {
			err := opts.WantChecksum.Matches(checksumCombined, len(parts))
			if err != nil {

	// Parse date header.
	var err error
	date, err = time.Parse(iso8601Format, dateStr)
	if err != nil {
		return cred, "", "", time.Time{}, ErrMalformedDate
	}

	// Query string.
	queryStr := req.Form.Encode()

	// Get canonical request.
	canonicalRequest := getCanonicalRequest(extractedSignedHeaders, payload, queryStr, req.URL.Path, req.Method)

	// Get string to sign from canonical request.

        void testWriteBytesWireFormatSingleLock() {
            Smb2Lock[] locks = new Smb2Lock[] { new Smb2Lock(1024L, 2048L, Smb2Lock.SMB2_LOCKFLAG_EXCLUSIVE_LOCK) };
            when(mockLock.encode(any(byte[].class), anyInt())).thenReturn(24);

            Smb2LockRequest req = new Smb2LockRequest(mockConfig, testFileId, locks);
            byte[] buffer = new byte[256];

     * certificates are base64-encoded and appear each on their own line. The next line contains the
     * length of the local certificate chain. These certificates are also base64-encoded and appear
     * each on their own line. A length of -1 is used to encode a null array. The last line is
     * optional. If present, it contains the TLS version.
     */

	values.Set(storageRESTVolume, volume)
	values.Set(storageRESTTotalVersions, strconv.Itoa(len(versions)))

	var buffer bytes.Buffer
	encoder := msgp.NewWriter(&buffer)
	for _, version := range versions {
		version.EncodeMsg(encoder)
	}
	storageLogIf(ctx, encoder.Flush())

	errs = make([]error, len(versions))

	respBody, err := client.call(ctx, storageRESTMethodDeleteVersions, values, &buffer, -1)

            // Build final encrypted message
            final byte[] result = new byte[Smb2TransformHeader.TRANSFORM_HEADER_SIZE + encResult.ciphertext.length];
            transformHeader.encode(result, 0);
            System.arraycopy(encResult.ciphertext, 0, result, Smb2TransformHeader.TRANSFORM_HEADER_SIZE, encResult.ciphertext.length);

            // Track encrypted bytes for key rotation - lock-free atomic operation

        this.sessionKey = sessionKey;
    }

    /**
     * Returns the message integrity code (MIC) for this Type-3 message.
     *
     * @return A <code>byte[]</code> containing the message integrity code.
     */
    public byte[] getMic() {
        return this.mic;
    }

    /**
     * Sets the message integrity code (MIC) for this Type-3 message.
     *
     * @param mic

Hug вдохновил **FastAPI** объявлять параметр `response` в функциях для установки HTTP-заголовков и cookie.

///

### <a href="https://github.com/encode/apistar" class="external-link" target="_blank">APIStar</a> (<= 0.5) { #apistar-0-5 }

Прямо перед решением строить **FastAPI** я нашёл сервер **APIStar**. В нём было почти всё, что я искал, и отличный дизайн.

	rec := httptest.NewRecorder()
	adminTestBed.router.ServeHTTP(rec, req)

	t.Logf("HTTP req: %s, resp code: %d, resp body: %s", req.URL.String(), rec.Code, rec.Body.String())

	// Check status code
	if rec.Code != test.wantStatusCode {
		t.Errorf("want status code %d, got %d", test.wantStatusCode, rec.Code)
	}

	// Check returned key list is correct
	if test.wantKeyNames != nil {
		keys := []madmin.KMSKeyInfo{}

				var spHdr block
				sp2 = formatSPD(sp2, spHdr.Sparse())
				spb = append(spb, spHdr[:]...)
			}

			// Update size fields in the header block.
			realSize := hdr.Size
			hdr.Size = 0 // Encoded size; does not account for encoded sparse map
			for _, s := range spd {
				hdr.Size += s.Length
			}
			copy(blk.V7().Size(), zeroBlock[:]) // Reset field
			f.formatNumeric(blk.V7().Size(), hdr.Size)