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Author SHA1 Message Date
Otto Allmendinger
cec5fb5357
Extract BufferWriter class
Move various write methods to a class `BufferWriter`.

This allows increased code reuse for libraries that want to implement
different serialization formats.

Also de-duplicates some code paths and increases test coverage.

Original concept by idea by https://github.com/argjv:
https://github.com/BitGo/bitgo-utxo-lib/blob/master/src/bufferWriter.js
2020-01-14 15:03:14 +01:00