KyberStaking

You are referring to the Legacy version of KyberSwap docs.

For the most updated information, please refer to:

• Classic

• Elastic

• Limit Order

• Aggregator

constract KyberStaking

is IERC20, ReentrancyGuard, IKyberStaking, IKyberDao, EpochUtils\ imports IKyberStaking, EpochUtils, ReentrancyGuard

Source: KyberStaking.sol

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INDEX​

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REFERENCE​

Events​

WithdrawDataUpdateFailed​

Event for logging the failed withdrawal of KNC from the staking contract.

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event WithdrawDataUpdateFailed(uint256 curEpoch, address staker, uint256 amount) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | curEpoch | uint256 | current epoch number where KNC was deposited | | staker | address | staker's address | | amount | uint256 | amount of KNC withdrawn in twei | Signature: 0xa412eef5316d3cbf9e2b4ba3d1cf3e482b40dc8946fd919b7f5053450fa621fb

Functions​

delegate​

Sets the delegation to a representative, and only takes effect on the next epoch

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function delegate(address newRepresentative) external override | Parameter | Type | Description | | --------- |:-----:|:-----------:| | dAddr | address | representative's address to delegate to |

### `deposit` Deposit and stake KNC. ___ function __deposit__(uint256 amount) external override | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `amount` | uint256 | amount of KNC to deposit in twei | ### `withdraw` Unstakes and withdraws KNC from the staking contract. ___ function __withdraw__(uint256 amount) external override nonReentrant | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `amount` | uint256 | amount of KNC to withdraw in twei | ### `getStakerRawData` Returns the raw staker data up to current epoch + 1. Returns 0 values if staker data is uninitialized. ___ function __getStakerRawData__(address staker, uint256 epoch) external view override returns (uint256 stake, uint256 delegatedStake, address representative) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `staker` | address | staker's address | | `epoch` | uint256 | epoch number to get staker raw data |

Returns:\ stake - total amount of KNC staked in twei delegatedStake - amount of KNC delegated to the staker's address in twei representative - if the staker is delegating, this shows the address he is delegating to

### `getStake` Get staked amount up to current epoch + 1. ___ function __getStake__(address staker, uint256 epoch) external view returns (uint256) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `staker` | address | staker's address | | `epoch` | uint256 | epoch number to get the staked amount | **Returns:**\ Staked amount in KNC token wei at epoch ### `getDelegatedStake` Get delegated staked amount up to current epoch + 1. ___ function __getDelegatedStake__(address staker, uint256 epoch) external view returns (uint256) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `staker` | address | staker's address | | `epoch` | uint256 | epoch number to get the delegated staked amount | **Returns:**\ Delegated staked amount in KNC token wei at epoch ### `getRepresentative` Get representative of a staker up to current epoch + 1. ___ function __getRepresentative__(address staker, uint256 epoch) external view returns (address) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `staker` | address | staker's address | | `epoch` | uint256 | epoch number to get the representative | **Returns:**\ Representative's address at epoch ### `getStakerData` Iterates through all the epochs and returns the staker data up to current epoch + 1. ___ function __getStakerData__(address staker, uint256 epoch) external view override returns (uint256 stake, uint256 delegatedStake, address representative) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `staker` | address | staker's address | | `epoch` | uint256 | epoch number to start iterating from to get staker data | **Returns:**\ stake - total amount of KNC staked in twei delegatedStake - amount of KNC delegated to the staker's address in twei representative - if the staker is delegating, this shows the address he is delegating to ### `getLatestRepresentative` Get representative of a staker up at the latest epoch. ___ function __getLatestRepresentative__(address staker) external view returns (address) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `staker` | address | staker's address | **Returns:**\ Representative at the latest epoch ### `getLatestDelegatedStake` Get latest delegated staked amount. ___ function __getLatestDelegatedStake__(address staker) external view returns (uint256) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `staker` | address | staker's address | **Returns:**\ Delegated staked amount in KNC token wei latest epoch ### `getLatestStakeBalance` Get staked amount at the latest epoch. ___ function __getLatestStakeBalance__(address staker) external view returns (uint256) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `staker` | address | staker's address | **Returns:**\ Staked amount in KNC token wei at latest epoch ### `getLatestStakerData` Iterates through all the epochs until the latest epoch and returns the staker data. ___ function __getLatestStakerData__(address staker) external view override returns (uint256 stake, uint256 delegatedStake, address representative) | Parameter | Type | Description | | --------- |:-----:|:-----------:| | `staker` | address | staker's address | **Returns:**\ stake - total amount of KNC staked in twei delegatedStake - amount of KNC delegated to the staker's address in twei representative - if the staker is delegating, this shows the address he is delegating to