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Libindy 1.10 to 1.11 migration Guide

This document is written for developers using Libindy to provide necessary information and to simplify their transition to Libindy 1.11 from Libindy 1.10. If you are using older Libindy version you can check migration guides history:

Table of contents

Notes

Migration information is organized in tables, there are mappings for each Libindy API part of how older version functionality maps to a newer one. Functions from older version are listed in the left column, and the equivalent newer version function is placed in the right column:

  • If some function had been added, the word 'NEW' would be placed in the left column.
  • If some function had been deleted, the word 'DELETED' would be placed in the right column.
  • If some function had been deprecated, the word 'DEPRECATED' would be placed in the right column.
  • If some function had been changed, the current format would be placed in the right column.
  • If some function had not been changed, the symbol '=' would be placed in the right column.
  • To get more details about current format of a function click on the description above it.
  • Bellow are signatures of functions in Libindy C API. The params of cb (except command_handle and err) will be result values of the similar function in any Libindy wrapper.

Libindy 1.10 to 1.11 migration Guide

Payment API

Changes

## Notes

Migration information is organized in tables, there are mappings for each Libindy API part of how older version functionality maps to a newer one. Functions from older version are listed in the left column, and the equivalent newer version function is placed in the right column:

  • If some function had been added, the word 'NEW' would be placed in the left column.

  • If some function had been deleted, the word 'DELETED' would be placed in the right column.

  • If some function had been deprecated, the word 'DEPRECATED' would be placed in the right column.

  • If some function had been changed, the current format would be placed in the right column.

  • If some function had not been changed, the symbol '=' would be placed in the right column.

  • To get more details about current format of a function click on the description above it.

  • Bellow are signatures of functions in Libindy C API. The params of cb (except command_handle and err) will be result values of the similar function in any Libindy wrapper.

    <th colspan="2">
    <a href="https://github.com/hyperledger/indy-sdk/blob/v1.11.0/libindy/src/api/payments.rs#L729">
        Parses response for Indy request for getting sources list.
    </a>
</th>

v1.10.0 - Payment API v1.11.0 - Payment API
Signs a message with a payment address.
NEW 
indy_sign_with_address(command_handle: CommandHandle,
                       wallet_handle: WalletHandle,
                       address: *const c_char,
                       message_raw: *const u8,
                       message_len: u32,
                       cb: fn(command_handle_: CommandHandle,
                              err: ErrorCode,
                              signature_raw: *const u8,
                              signature_len: u32))
Verify a signature with a payment address.
NEW 
indy_verify_with_address(command_handle: CommandHandle,
                         address: *const c_char,
                         message_raw: *const u8,
                         message_len: u32,
                         signature_raw: *const u8,
                         signature_len: u32,
                         cb: fn(command_handle_: CommandHandle,
                                err: ErrorCode,
                                result: bool))
Builds Indy request for getting sources list for payment address according to this payment method.
NEW 
indy_build_get_payment_sources_with_from_request(command_handle: CommandHandle,
                                                 wallet_handle: WalletHandle,
                                                 submitter_did: *const c_char,
                                                 payment_address: *const c_char,
                                                 from: i64,
                                                 cb: fn(command_handle_: CommandHandle,
                                                        err: ErrorCode,
                                                        get_sources_txn_json: *const c_char,
                                                        payment_method: *const c_char))
Parses response for Indy request for getting sources list.
NEW 
indy_parse_get_payment_sources_with_from_response(command_handle: CommandHandle,
                                                  payment_method: *const c_char,
                                                  resp_json: *const c_char,
                                                  cb: fn(command_handle_: CommandHandle,
                                                         err: ErrorCode,
                                                         sources_json: *const c_char,
                                                         next: i64))
Builds Indy request for getting sources list for payment address according to this payment method. 
indy_build_get_payment_sources_request(command_handle: CommandHandle,
                                       wallet_handle: WalletHandle,
                                       submitter_did: *const c_char,
                                       payment_address: *const c_char,
                                       cb: fn(command_handle_: CommandHandle,
                                              err: ErrorCode,
                                              get_sources_txn_json: *const c_char,
                                              payment_method: *const c_char))
DEPRECATED 
indy_parse_get_payment_sources_response(command_handle: CommandHandle,
payment_method: *const c_char,
resp_json: *const c_char,
cb: fn(command_handle_: CommandHandle,
err: ErrorCode,
sources_json: *const c_char))
DEPRECATED
Gets request requirements (with minimal price) correspondent to specific auth rule in case the requester can perform this action.
NEW 
indy_get_request_info(command_handle: CommandHandle,
get_auth_rule_response_json: *const c_char,
requester_info_json: *const c_char,
fees_json: *const c_char,
cb: fn(command_handle_: CommandHandle,
err: ErrorCode,
request_info_json: *const c_char))

Note that indy_register_payment_method Payment API function was updated to accept:

  • an additional callbacks correspondent to new functions to sign/verify a message with a payment address.
  • callbacks correspondent to the new functions for getting payment sources with pagination support instead of deprecated.

Anoncreds API

  • Updated behavior of indy_prover_create_proof to create revocation proof based on non_revoked timestamps within a proof request. Now only primary proof can be built if non_revoked intervals were not requested by a verifier. An example test can be found here: indy-sdk/libindy/tests/anoncreds_demos.rs/anoncreds_works_for_requested_proof_with_revocation_but_provided_primary_only

  • Added new Libindy API function indy_generate_nonce to generate a nonce of the size recommended for usage within a proof request. An example test can be found here: indy-sdk/libindy/tests/anoncreds_demos.rs/anoncreds_works_for_single_issuer_single_prover

Ledger API

  • Updated indy_append_txn_author_agreement_acceptance_to_request Libindy function to discard the time portion of acceptance time on appending TAA metadata into request. It was done cause too much time precision can lead to privacy risk.

    NOTE that if the following points are met:

    • Indy Pool consists of nodes with version less 1.9.2
    • Transaction Author Agreement is set on the Pool

    Requests to the Pool will fail during the day TAA was set.

  • Updated constraint parameter of indy_build_auth_rule_request Libindy Ledger API function to accept new optional off_ledger_signature field that specifies if a signature of unknown ledger DID is allowed for an action performing (false by default).

  • Added new function indy_append_request_endorser to append Endorser to an existing request. It allows writing transactions to the ledger with preserving an original author but by different Endorser. An example flow can be found here An example test can be found here: indy-sdk/libindy/tests/ledger.rs/indy_send_request_by_endorser_works

Libindy 1.11.0 to 1.11.1 migration Guide

Ledger API 1.11.1

  • Extended config parameter of indy_open_pool_ledger function to accept number_read_nodes value. This value set the number of nodes to send read requests.

Anoncreds API 1.11.1

The main idea of changes performed in Anoncreds API is to provide a way to rotate the key of a Credential Definition stored into the wallet.

WARNING: Rotating the credential definitional keys will result in making all credentials issued under the previous keys unverifiable.

v1.11.0 - Anoncreds API v1.11.1 - Anoncreds API
Generate temporary credential definitional keys for an existing one (owned by the caller of the library).
NEW 
indy_issuer_rotate_credential_def_start(command_handle: i32,
                                        wallet_handle: WalletHandle,
                                        cred_def_id: *const c_char,
                                        config_json: *const c_char,
                                           cb: Option)
Apply temporary keys as main for an existing Credential Definition (owned by the caller of the library).
NEW 
indy_issuer_rotate_credential_def_apply(command_handle: i32,
                                        wallet_handle: WalletHandle,
                                        cred_def_id: *const c_char,
                                        cb: Option)

Workflow

cred_def_id, cred_def_json = indy_issuer_create_and_store_credential_def(...)
indy_sign_and_submit_request(cred_def_json)
...
...
temp_cred_def_json = indy_issuer_rotate_credential_def_start(cred_def_id)
indy_sign_and_submit_request(temp_cred_def_json)
indy_issuer_rotate_credential_def_apply(cred_def_id)