The operation `GetSerializeSize` is `O(transaction_size)` instead of `O(1)`. Thus this value need to be cached. https://github.com/ElementsProject/elements/commit/61b5152d445508f12155b477d77fa0940ae7fba7#diff-a0337ffd7259e8c7c9a7786d6dbd420c80abfa1afdb34ebae3261109d9ae3c19R2426-R2431
The operation
GetSerializeSizeisO(transaction_size)instead ofO(1). Thus this value need to be cached.61b5152#diff-a0337ffd7259e8c7c9a7786d6dbd420c80abfa1afdb34ebae3261109d9ae3c19R2426-R2431