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joe petrowski
d1f678c0ec
This PR allows _username authorities_ to issue unique usernames that correspond with an account. It also provides two-way lookup, that is from `AccountId` to a single, "primary" `Username` (alongside `Registration`) and multiple unique `Username`s to an `AccountId`. Key features: - Username Authorities added (and removed) via privileged origin. - Authorities have a `suffix` and an `allocation`. They can grant up to `allocation` usernames. Their `suffix` will be appended to the usernames that they issue. A suffix may be up to 7 characters long. - Users can ask an authority to grant them a username. This will take the form `myusername.suffix`. The entire name (including suffix) must be less than or equal to 32 alphanumeric characters. - Users can approve a username for themselves in one of two ways (that is, authorities cannot grant them arbitrarily): - Pre-sign the entire username (including suffix) with a secret key that corresponds to their `AccountId` (for keyed accounts, obviously); or - Accept the username after it has been granted by an authority (it will be queued until accepted) (for non-keyed accounts like pure proxies or multisigs). - The system does not require any funds or deposits. Users without an identity will be given a default one (presumably all fields set to `None`). If they update this info, they will need to place the normal storage deposit. - If a user does not have any username, their first one will be set as `Primary`, and their `AccountId` will map to that one. If they get subsequent usernames, they can choose which one to be their primary via `set_primary_username`. - There are some state cleanup functions to remove expired usernames that have not been accepted and dangling usernames whose owners have called `clear_identity`. TODO: - [x] Add migration to runtimes - [x] Probably do off-chain migration into People Chain genesis - [x] Address a few TODO questions in code (please review) --------- Co-authored-by: Liam Aharon <liam.aharon@hotmail.com> Co-authored-by: Gonçalo Pestana <g6pestana@gmail.com> Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> Co-authored-by: Dónal Murray <donal.murray@parity.io>
Parachains
This directory is the home of Parity-developed parachain runtimes. This directory is runtime focused, and does not include builds of parachain nodes.
The general internal structure is:
chain-specs: Chain specs for the runtimes contained in its sibling dirruntimes.common: Common configurations,impls, etc. used by several parachain runtimes.integration-tests: Integration tests to test parachain interactions via XCM.pallets: FRAME pallets that are specific to parachains.runtimes: The entry point for parachain runtimes.
System Parachains
The runtimes directory includes many, but is not limited to,
system parachains. Likewise, not all
system parachains are in this repo.
Releases
The project maintainers generally try to release a set of parachain runtimes for each Polkadot Relay Chain runtime release.