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RewardsV2Interface

Primary interface for managing all protocol rewards. This is a long-term support (LTS) interface, designed to ensure continuity even as underlying contracts evolve or protocols migrate to new versions.

Sourced from RewardsV2Interface.sol on GitHub.

Functions​

active​

Indicates if the contract is active - claims are enabled.

function active(
) external view returns (
    bool
);

claim​

Claim rewards for _rewardOwner and transfer them to _recipient. It can be called by reward owner or its authorized executor.

function claim(
    address _rewardOwner,
    address payable _recipient,
    uint24 _rewardEpochId,
    bool _wrap,
    struct RewardsV2Interface.RewardClaimWithProof[] _proofs
) external returns (
    uint256 _rewardAmountWei
);

Parameters​

  • _rewardOwner: Address of the reward owner.
  • _recipient: Address of the reward recipient.
  • _rewardEpochId: Id of the reward epoch up to which the rewards are claimed.
  • _wrap: Indicates if the reward should be wrapped (deposited) to the WNat contract.
  • _proofs: Array of reward claims with merkle proofs.

Returns​

  • _rewardAmountWei: Amount of rewarded native tokens (wei).

getNextClaimableRewardEpochId​

Returns the next claimable reward epoch for a reward owner.

function getNextClaimableRewardEpochId(
    address _rewardOwner
) external view returns (
    uint256
);

Parameters​

  • _rewardOwner: Address of the reward owner to query.

getRewardEpochIdsWithClaimableRewards​

Returns the start and the end of the reward epoch range for which the reward is claimable.

function getRewardEpochIdsWithClaimableRewards(
) external view returns (
    uint24 _startEpochId,
    uint24 _endEpochId
);

Returns​

  • _startEpochId: The oldest epoch id that allows reward claiming.
  • _endEpochId: The newest epoch id that allows reward claiming.

getStateOfRewards​

Returns the state of rewards for a given address for all unclaimed reward epochs with claimable rewards.

function getStateOfRewards(
    address _rewardOwner
) external view returns (
    struct RewardsV2Interface.RewardState[][] _rewardStates
);

Parameters​

  • _rewardOwner: Address of the reward owner.

Returns​

  • _rewardStates: Array of reward states.

Structures​

RewardClaim​

Struct used in Merkle tree for storing reward claims.

struct RewardClaim {
  uint24 rewardEpochId;
  bytes20 beneficiary;
  uint120 amount;
  enum RewardsV2Interface.ClaimType claimType;
}

RewardClaimWithProof​

Struct used for claiming rewards with Merkle proof.

struct RewardClaimWithProof {
  bytes32[] merkleProof;
  struct RewardsV2Interface.RewardClaim body;
}

RewardState​

Struct used for returning state of rewards.

struct RewardState {
  uint24 rewardEpochId;
  bytes20 beneficiary;
  uint120 amount;
  enum RewardsV2Interface.ClaimType claimType;
  bool initialised;
}

Enums​

ClaimType​

Claim type enum.

enum ClaimType {
  DIRECT,
  FEE,
  WNAT,
  MIRROR,
  CCHAIN
}