⌛Epoch Manager

The Epoch Manager is a contract which sole purpose is to generate epochs on MANTRA, acting like a clock for the other contracts.

An Epoch is a period of time that is defined by the duration parameter on EpochConfig, and they are used by other contracts to take timely actions. For example, the Farm Manager uses epochs to calculate the farm rewards for its users.

How it works

The epoch configuration is set up when the contract is instantiated. The epoch configuration defines the duration of an epoch and when the genesis epoch is going to take place, i.e. the first epoch.

Then, when querying the contract, the epochs in the system are derived based on the genesis epoch and duration values.

Instantiate

Instantiates an instance of the epoch manager contract

{
  "owner": "mantra1...",
  "epoch_config": {
    "duration": "86400",
    "genesis_epoch": "1571797"
  }
}

Key	Type	Description
owner	String	The owner of the contract
epoch_config	EpochConfig	The configuration for the epochs

ExecuteMsg

UpdateConfig

Updates the contract configuration. This can only be triggered by the contract owner.

{
  "update_config": {
    "epoch_config": {
      "duration": "86400",
      "genesis_epoch": "1571797"
    }
  }
}

Key	Type	Description
epoch_config	Option<EpochConfig>	The new epoch configuration

UpdateOwnership(::cw_ownable::Action)

Implements cw_ownable. Updates the contract's ownership. ::cw_ownable::Action can be TransferOwnership, AcceptOwnership and RenounceOwnership.

Note: This is a cw_ownable message.

TransferOwnership

Propose to transfer the contract's ownership to another account, optionally with an expiry time. Can only be called by the contract's current owner. Any existing pending ownership transfer is overwritten.

{
  "update_ownership": {
    "transfer_ownership": {
      "new_owner": "mantra1...",
      "expiry": {
        "at_height": "424242424242"
      }
    }
  }
}

Key	Type	Description
new_owner	String	The new owner proposed,
expiry	Option<Expiration>	Optional expiration time parameter.

AcceptOwnership

Accept the pending ownership transfer. Can only be called by the pending owner.

{
  "update_ownership": {
    "accept_ownership": {}
  }
}

RenounceOwnership

Give up the contract's ownership and the possibility of appointing a new owner. Can only be invoked by the contract's current owner. Any existing pending ownership transfer is canceled.

{
  "update_ownership": {
    "renounce_ownership": {}
  }
}

QueryMsg

Config

Returns the configuration of the contract.

Query

{
  "config": {}
}

Response (ConfigResponse)

{
  "epoch_config": {
    "duration": "86400",
    "genesis_epoch": "1571797"
  }
}

Key	Type	Description
epoch_config	EpochConfig	The epoch configuration

CurrentEpoch

Returns the current epoch based on the current timestamp.

Query

{
  "current_epoch": {}
}

Response (EpochResponse)

{
  "epoch": {
    "id": 0,
    "start_time": "1571797"
  }
}

Key	Type	Description
epoch	Epoch	The current epoch

Epoch

Returns the epoch with the given ID.

Query

{
  "epoch": {
    "id": 100
  }
}

Key	Type	Description
id	u64	The id of the epoch to be queried.

Response (EpochResponse)

{
  "epoch": {
    "id": 100,
    "start_time": "1571797"
  }
}

Key	Type	Description
epoch	Epoch	The queried epoch with the given id

Ownership

Returns the ownership of the contract.

Note: This is a cw_ownable query.

Query

{
  "ownership": {}
}

Response (::cw_ownable::Ownership<String>)

{
  "owner": "mantra1...",
  "pending_owner": "mantra1...",
  "pending_expiry": 424242424242
}

Key	Type	Description
owner	Option	The contract's current owner. None if the ownership has been renounced.
pending_owner	Option	The account who has been proposed to take over the ownership. None if there isn't a pending ownership transfer.
pending_expiry	Option	The deadline for the pending owner to accept the ownership. None if there isn't a pending ownership transfer, or if a transfer exists and it doesn't have a deadline.

MigrateMsg

Message to migrate the contract to a new code ID.

{}