Release 0.0.63

Release 0.0.63 - 23-05-31

Added

• Liquid: Transaction blinding is now performed using a new call
  GA_blind_transaction, which should be called after creating and before
  signing the tx.
• Liquid: Hardware wallet capability JSON now contains a new field
  "supports_external_blinding". This should be set to true when registering
  a signer that can blind/sign transactions with blinded outputs from
  wallets other than the callers wallet (for example, a 2 step swap).

Changed

• FFI (validate_call): Input JSON parameters are now moved internally and will be
  empty when an API call returns. This only affects C and C++ callers.
• GA_validate: When validating addressees, the entered amount is also validated
  and converted into satoshis. Additionally, the scriptpubkey and blinding public
  key are extracted from the address and returned where applicable.
• GA_sign_transaction/GA_send_transaction: The "script" element of the returned
  "transaction_outputs" elements has been renamed to "scriptpubkey" to reflect
  its contents more accurately.
• Liquid/JSON: The keys blinded and confidential in returned JSON have been
  renamed for consistency and to avoid confusion. is_blinded now always refers
  to a transaction input or output which has been blinded, i.e. its value and
  asset have been replaced with blinded commitments. is_blinded at the
  top-level of transaction JSON indicates that the transaction has been fully
  blinded and is ready for signing. is_confidential now always refers to
  an address or addressee element having a confidential address.
• Liquid: update hard-coded asset icons.