payjoin-ffi-0.20.0

[0.20.0]

APIs Added

• Send Module (V1 & V2):

  • RequestBuilder exposes from_psbt_and_uri, build_with_additional_fee, build_recommended, build_non_incentivizing, always_disable_output_substitution.
  • RequestContext exposes extract_contextV1 & extract_contextV2.
  • ContextV1 exposes process_response.
  • ContextV2 exposes process_response.

• Receive Module (V1):

  • UncheckedProposal exposes from_request, extract_tx_to_schedule_broadcast, check_broadcast_suitability, build_non_incentivizing, assume_interactive_receiver, always_disable_output_substitution.
  • MaybeInputsOwned exposes check_inputs_not_owned.
  • MaybeMixedInputScripts exposes check_no_mixed_input_scripts.
  • MaybeInputsSeen exposes check_no_inputs_seen_before.
  • OutputsUnknown exposes identify_receiver_outputs.
  • ProvisionalProposal exposes substitute_output_address, contribute_witness_input, try_preserving_privacy, finalize_proposal.
  • PayjoinProposal exposes is_output_substitution_disabled, owned_vouts, psbt, utxos_to_be_locked.

• Receive Module (V2):

  • Enroller exposes from_directory_config, process_response, extract_request.
  • Enrolled exposes extract_request, process_response, fall_back_target.
  • V2UncheckedProposal exposes extract_tx_to_schedule_broadcast, check_broadcast_suitability, assume_interactive_receiver.
  • V2MaybeInputsOwned exposes check_inputs_not_owned.
  • V2MaybeMixedInputScripts exposes check_no_mixed_input_scripts.
  • V2MaybeInputsSeen exposes check_no_inputs_seen_before.
  • V2OutputsUnknown exposes identify_receiver_outputs.
  • V2ProvisionalProposal exposes substitute_output_address, contribute_witness_input, try_preserving_privacy, finalize_proposal.
  • V2PayjoinProposal exposes deserialize_res, extract_v1_req, extract_v2_req, is_output_substitution_disabled, owned_vouts, psbt, utxos_to_be_locked.

• Other APIs:

  • Exposed PjUriBuilder and PjUri.
  • Exposed pjUrl_builder() in ActiveSession.
  • Exposed check_pj_supported() in PjUri.
  • Exposed fetch_ohttp_keys() to fetch the ohttp keys from the specified payjoin directory.
  • Make backwards-compatible v2 to v1 sends possible.

APIs Changed

• Send Module (V1 & V2):

  • Removed contribute_non_witness_input from v1 & v2.
  • Refactor output substitution with new fallible try_substitute_outputs.

• Receive Module (V2):

  • Upgrade receive/v2 type state machine to resume multiple payjoins simultaneously (#283).
  • Allow receivers to make payjoins out of sweep transactions (#259).
  • Encode &ohttp= and &exp= parameters in the &pj= URL as a fragment instead of as URI params (#298).

• Other Changes:

  • Replaced Enroller with SessionInitializer.
  • Replaced Enrolled with ActiveSession.
  • Replaced fallback_target() with pj_url.