swarm/storage/feed: Expose MaxUpdateDataLength constant (#17858)
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@ -42,7 +42,9 @@ type Update struct {
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}
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const minimumUpdateDataLength = idLength + headerLength + 1
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const maxUpdateDataLength = chunk.DefaultSize - signatureLength - idLength - headerLength
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//MaxUpdateDataLength indicates the maximum payload size for a feed update
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const MaxUpdateDataLength = chunk.DefaultSize - signatureLength - idLength - headerLength
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// binaryPut serializes the feed update information into the given slice
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func (r *Update) binaryPut(serializedData []byte) error {
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@ -51,8 +53,8 @@ func (r *Update) binaryPut(serializedData []byte) error {
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return NewError(ErrInvalidValue, "a feed update must contain data")
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}
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if datalength > maxUpdateDataLength {
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return NewErrorf(ErrInvalidValue, "feed update data is too big (length=%d). Max length=%d", datalength, maxUpdateDataLength)
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if datalength > MaxUpdateDataLength {
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return NewErrorf(ErrInvalidValue, "feed update data is too big (length=%d). Max length=%d", datalength, MaxUpdateDataLength)
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}
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if len(serializedData) != r.binaryLength() {
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@ -35,7 +35,7 @@ func TestUpdateLengthCheck(t *testing.T) {
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testBinarySerializerLengthCheck(t, getTestFeedUpdate())
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// Test fail if update is too big
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update := getTestFeedUpdate()
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update.data = make([]byte, maxUpdateDataLength+100)
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update.data = make([]byte, MaxUpdateDataLength+100)
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serialized := make([]byte, update.binaryLength())
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if err := update.binaryPut(serialized); err == nil {
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t.Fatal("Expected update.binaryPut to fail since update is too big")
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