Staking20

Methods

claimRewards

function claimRewards() external nonpayable

Claim accumulated rewards.

See {_claimRewards}. Override that to implement custom logic. See {_calculateRewards} for reward-calculation logic.

getRewardRatio

function getRewardRatio() external view returns (uint256 _numerator, uint256 _denominator)

Returns

Name	Type	Description
_numerator	uint256	undefined
_denominator	uint256	undefined

getRewardTokenBalance

function getRewardTokenBalance() external view returns (uint256 _rewardsAvailableInContract)

View total rewards available in the staking contract.

Returns

Name	Type	Description
_rewardsAvailableInContract	uint256	undefined

getStakeInfo

function getStakeInfo(address _staker) external view returns (uint256 _tokensStaked, uint256 _rewards)

View amount staked and rewards for a user.

Parameters

Name	Type	Description
_staker	address	Address for which to calculated rewards.

Returns

Name	Type	Description
_tokensStaked	uint256	Amount of tokens staked.
_rewards	uint256	Available reward amount.

getTimeUnit

function getTimeUnit() external view returns (uint256 _timeUnit)

Returns

Name	Type	Description
_timeUnit	uint256	undefined

rewardTokenDecimals

function rewardTokenDecimals() external view returns (uint256)

Decimals of reward token.

Returns

Name	Type	Description
_0	uint256	undefined

setRewardRatio

function setRewardRatio(uint256 _numerator, uint256 _denominator) external nonpayable

Set rewards per unit of time. Interpreted as (numerator/denominator) rewards per second/per day/etc based on time-unit. For e.g., ratio of 1/20 would mean 1 reward token for every 20 tokens staked.

Only admin/authorized-account can call it.

Parameters

Name	Type	Description
_numerator	uint256	Reward ratio numerator.
_denominator	uint256	Reward ratio denominator.

setTimeUnit

function setTimeUnit(uint256 _timeUnit) external nonpayable

Set time unit. Set as a number of seconds. Could be specified as -- x * 1 hours, x * 1 days, etc.

Only admin/authorized-account can call it.

Parameters

Name	Type	Description
_timeUnit	uint256	New time unit.

stake

function stake(uint256 _amount) external payable

Stake ERC20 Tokens.

See {_stake}. Override that to implement custom logic.

Parameters

Name	Type	Description
_amount	uint256	Amount to stake.

stakers

function stakers(address) external view returns (uint256 amountStaked, uint256 timeOfLastUpdate, uint256 unclaimedRewards, uint256 conditionIdOflastUpdate)

Mapping staker address to Staker struct. See {struct IStaking20.Staker}.

Parameters

Name	Type	Description
_0	address	undefined

Returns

Name	Type	Description
amountStaked	uint256	undefined
timeOfLastUpdate	uint256	undefined
unclaimedRewards	uint256	undefined
conditionIdOflastUpdate	uint256	undefined

stakersArray

function stakersArray(uint256) external view returns (address)

List of accounts that have staked that token-id.

Parameters

Name	Type	Description
_0	uint256	undefined

Returns

Name	Type	Description
_0	address	undefined

stakingToken

function stakingToken() external view returns (address)

Address of ERC20 contract -- staked tokens belong to this contract.

Returns

Name	Type	Description
_0	address	undefined

stakingTokenBalance

function stakingTokenBalance() external view returns (uint256)

Total amount of tokens staked in the contract.

Returns

Name	Type	Description
_0	uint256	undefined

stakingTokenDecimals

function stakingTokenDecimals() external view returns (uint256)

Decimals of staking token.

Returns

Name	Type	Description
_0	uint256	undefined

withdraw

function withdraw(uint256 _amount) external nonpayable

Withdraw staked ERC20 tokens.

See {_withdraw}. Override that to implement custom logic.

Parameters

Name	Type	Description
_amount	uint256	Amount to withdraw.

Events

RewardsClaimed

event RewardsClaimed(address indexed staker, uint256 rewardAmount)

Parameters

Name	Type	Description
staker indexed	address	undefined
rewardAmount	uint256	undefined

TokensStaked

event TokensStaked(address indexed staker, uint256 amount)

Parameters

Name	Type	Description
staker indexed	address	undefined
amount	uint256	undefined

TokensWithdrawn

event TokensWithdrawn(address indexed staker, uint256 amount)

Parameters

Name	Type	Description
staker indexed	address	undefined
amount	uint256	undefined

UpdatedMinStakeAmount

event UpdatedMinStakeAmount(uint256 oldAmount, uint256 newAmount)

Parameters

Name	Type	Description
oldAmount	uint256	undefined
newAmount	uint256	undefined

UpdatedRewardRatio

event UpdatedRewardRatio(uint256 oldNumerator, uint256 newNumerator, uint256 oldDenominator, uint256 newDenominator)

Parameters

Name	Type	Description
oldNumerator	uint256	undefined
newNumerator	uint256	undefined
oldDenominator	uint256	undefined
newDenominator	uint256	undefined

UpdatedTimeUnit

event UpdatedTimeUnit(uint256 oldTimeUnit, uint256 newTimeUnit)

Parameters

Name	Type	Description
oldTimeUnit	uint256	undefined
newTimeUnit	uint256	undefined