Staking20Base

note: This contract is provided as a base contract.

Methods

claimRewards

function claimRewards() external nonpayable

Claim accumulated rewards.

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

contractURI

function contractURI() external view returns (string)

Returns the contract metadata URI.

Returns

Name
Type
Description

_0

string

undefined

depositRewardTokens

function depositRewardTokens(uint256 _amount) external payable

Admin deposits reward tokens.

Parameters

Name
Type
Description

_amount

uint256

undefined

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)

View total rewards available in the staking contract.

Returns

Name
Type
Description

_0

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

multicall

function multicall(bytes[] data) external nonpayable returns (bytes[] results)

Receives and executes a batch of function calls on this contract.

Receives and executes a batch of function calls on this contract.

Parameters

Name
Type
Description

data

bytes[]

The bytes data that makes up the batch of function calls to execute.

Returns

Name
Type
Description

results

bytes[]

The bytes data that makes up the result of the batch of function calls executed.

owner

function owner() external view returns (address)

Returns the owner of the contract.

Returns

Name
Type
Description

_0

address

undefined

rewardToken

function rewardToken() external view returns (address)

ERC20 Reward Token address. See {_mintRewards} below.

Returns

Name
Type
Description

_0

address

undefined

rewardTokenDecimals

function rewardTokenDecimals() external view returns (uint256)

Returns

Name
Type
Description

_0

uint256

undefined

setContractURI

function setContractURI(string _uri) external nonpayable

Lets a contract admin set the URI for contract-level metadata.

Caller should be authorized to setup contractURI, e.g. contract admin. See {_canSetContractURI}. Emits {ContractURIUpdated Event}.

Parameters

Name
Type
Description

_uri

string

keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")

setOwner

function setOwner(address _newOwner) external nonpayable

Lets an authorized wallet set a new owner for the contract.

Parameters

Name
Type
Description

_newOwner

address

The address to set as the new owner of the contract.

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)

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)

Parameters

Name
Type
Description

_0

uint256

undefined

Returns

Name
Type
Description

_0

address

undefined

stakingToken

function stakingToken() external view returns (address)

Returns

Name
Type
Description

_0

address

undefined

stakingTokenBalance

function stakingTokenBalance() external view returns (uint256)

Returns

Name
Type
Description

_0

uint256

undefined

stakingTokenDecimals

function stakingTokenDecimals() external view returns (uint256)

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.

withdrawRewardTokens

function withdrawRewardTokens(uint256 _amount) external nonpayable

Admin can withdraw excess reward tokens.

Parameters

Name
Type
Description

_amount

uint256

undefined

Events

ContractURIUpdated

event ContractURIUpdated(string prevURI, string newURI)

Parameters

Name
Type
Description

prevURI

string

undefined

newURI

string

undefined

OwnerUpdated

event OwnerUpdated(address indexed prevOwner, address indexed newOwner)

Parameters

Name
Type
Description

prevOwner indexed

address

undefined

newOwner indexed

address

undefined

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

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