P256K1XOnlyPubKey: convert from class to interface

bitcoinj / secp256k1-jdk

Java library providing Bitcoin-related Elliptic Curve Cryptography

Apache License 2.0

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P256K1XOnlyPubKey: convert from class to interface #61

Closed msgilligan closed 3 months ago

msgilligan commented 3 months ago

Convert it from a class to an interface to allow API implementations the freedom of creating their own implementation, but provide a nested default implementation so they don't have to.