ERC5805

Git Source

Inherits: IERC5805, StatefulERC712

Author: M^0 Labs

State Variables

DELEGATION_TYPEHASH

Returns the EIP712 typehash used in the encoding of the digest for the delegateBySig function.

Keeping this constant, despite delegateBySig param name differences, to ensure max EIP-5805 compatibility. keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)")

bytes32 public constant DELEGATION_TYPEHASH = 0xe48329057bfd03d55e49b547132e39cffd9c1820ad7b9d4c5307691425d15adf;

Functions

delegate

Allows a calling account to change its voting power delegation to delegatee.

function delegate(address delegatee_) external;

Parameters

Name	Type	Description
delegatee_	address

delegateBySig

Changes the signing account's voting power delegation to delegatee.

function delegateBySig(address delegatee_, uint256 nonce_, uint256 expiry_, uint8 v_, bytes32 r_, bytes32 s_)
    external;

Parameters

Name	Type	Description
delegatee_	address
nonce_	uint256
expiry_	uint256
v_	uint8
r_	bytes32
s_	bytes32

_checkAndIncrementNonce

Reverts if a given nonce_ is reused for account_, then increments the nonce in storage.

function _checkAndIncrementNonce(address account_, uint256 nonce_) internal;

Parameters

Name	Type	Description
account_	address	The address of the account the nonce is being verified for.
nonce_	uint256	The nonce being used by the account.

_delegate

Delegate voting power from delegator_ to newDelegatee_.

function _delegate(address delegator_, address newDelegatee_) internal virtual;

Parameters

Name	Type	Description
delegator_	address	The address of the account delegating voting power.
newDelegatee_	address	The address of the account receiving voting power.

_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_) internal 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.