IEpochBasedVoteToken

Git Source

Inherits: IERC5805, IERC20Extended

Author: M^0 Labs

Functions

delegateBySig

Changes the voting power delegation for account to delegatee.

function delegateBySig(address account, address delegatee, uint256 nonce, uint256 expiry, bytes memory signature)
    external;

Parameters

Name	Type	Description
account	address	The purported address of the signing account.
delegatee	address	The address the voting power of account will be delegated to.
nonce	uint256	The nonce used for the signature.
expiry	uint256	The timestamp until which the signature is still valid.
signature	bytes	A byte array signature.

getDelegationDigest

Returns the digest to be signed, via EIP-712, given an internal digest (i.e. hash struct).

function getDelegationDigest(address delegatee, uint256 nonce, uint256 expiry) external view returns (bytes32);

Parameters

Name	Type	Description
delegatee	address	The address of the delegatee to delegate to.
nonce	uint256	The nonce of the account delegating.
expiry	uint256	The timestamp until which the signature is still valid.

Returns

Name	Type	Description
<none>	bytes32	The digest to be signed.

pastBalanceOf

Returns the token balance of account at a past clock value epoch.

function pastBalanceOf(address account, uint256 epoch) external view returns (uint256);

Parameters

Name	Type	Description
account	address	The address of some account.
epoch	uint256	The epoch number as a clock value.

Returns

Name	Type	Description
<none>	uint256	The token balance account at epoch.

pastDelegates

Returns the delegatee of account at a past clock value epoch.

function pastDelegates(address account, uint256 epoch) external view returns (address);

Parameters

Name	Type	Description
account	address	The address of some account.
epoch	uint256	The epoch number as a clock value.

Returns

Name	Type	Description
<none>	address	The delegatee of the voting power of account at epoch.

pastTotalSupply

Returns the total token supply at a past clock value epoch.

function pastTotalSupply(uint256 epoch) external view returns (uint256);

Parameters

Name	Type	Description
epoch	uint256	The epoch number as a clock value.

Returns

Name	Type	Description
<none>	uint256	The total token supply at epoch.

Errors

EpochZero

Revert message when the provided epoch is zero.

error EpochZero();