1 stable release
1.1.0 | Oct 6, 2024 |
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#356 in Magic Beans
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CW83: Smart Account Registry
An interface for CosmWasm based smart contracts defining interaction with smart account registries used for creating smart contract based account defined in CW82
Queries
All CW83-compliant registries must define a message with the following variants in for their query endpoint
enum QueryMsg {
...
#[returns(AccountInfoResponse)]
AccountInfo(AccountQuery)
...
}
Where AccountQuery is defined in the following manner
struct AccountQuery<T = Empty> {
pub query: T
}
Different implementations are free to customise the query in any desirable manner to link an account to a username, a non-fungible token, credential info and so on.
The response type enforces the contracts implementing the standard to return a smart account address corresponsing to the query and leave a room to customize for returning addition info related to the account
struct AccountInfoResponse<T = Empty> {
pub address: String,
pub info: Option<T>
}
Messages
The only required message variant for the execute endpoint is `CreateAccount``:
enum ExecuteMsg {
...
CreateAccount(CreateAccountMsg)
...
}
where CreateAccountMsg is defined in the following manner:
struct CreateAccountMsg<T = Binary> {
pub code_id: u64,
pub chain_id: String,
pub msg: T
}
allowing contracts to define payload needed for validation in the registry and also for generating an instantiation message for smart account contracts
Usage
A contract that wishes to follow the standard must add the variants described above to their query and execute messages. This package exposes a helper macro attribute registry_query
that injects it automatically:
#[registry_query] // <- Must be before #[cw_serde]
#[cw_serde]
#[derive(QueryResponses)]
enum QueryMsg {}
Modules using the message must ether import AccountQuery
from cw83 package or to define it manually. Here is an example of customising it from token bound account registry:
use cw83::AccountQuery as AccountQueryBase;
#[cw_serde]
pub struct TokenInfo {
pub collection: String,
pub id: String,
}
pub type AccountQuery = AccountQueryBase<TokenInfo>;
Defining execute message can also happen through a helper
#[registry_execute]
#[cw_serde]
pub enum Cw83ExecuteMsg {}
Note: AccountQuery
must also be imported
Same scenario must be repeated for CreateAccountMsg
. An example of customizing a message from the tba-registry:
use cw83::CreateAccountMsg as CreateAccountMsgBase
#[cw_serde]
pub struct CreateInitMsg {
pub token_info: TokenInfo,
pub pubkey: Binary,
}
pub type CreateAccountMsg = CreateAccountMsgBase<CreateInitMsg>;
If a contract doesn't define additional variants it can directly use Cw83QueryMsg
and Cw83ExecuteMsg
from the package directly
Examples
Example contracts can be found in this repository and are prefixed with cw83-
Contract | Description |
---|---|
cw83-tba-registry |
A Registry of token bound accounts |
Dependencies
~5–7MB
~145K SLoC