Delegation via validator shares

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Technical specification

uint256 public validatorId; // Delegation contract for validator
uint256 public validatorRewards; // accumulated rewards for validator
uint256 public commissionRate; // validator's cut %
uint256 public validatorDelegatorRatio = 10; // to be implemented/used

uint256 public totalStake;
uint256 public rewards; // rewards for pool of delegation stake
uint256 public activeAmount; // # of tokens delegated which are part of active stake

ExchangeRate = (totalDelegatedPower + delegatorRewardPool) / totalDelegatorShares

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Methods and variables

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buyVoucher

function buyVoucher(uint256 _amount) public;

• Transfers _amount to stakeManager and updates the timeline data structure for active stake.
• updateValidatorState updates the timeline data structure.
• Mints delegation shares using the current exchangeRate for _amount.
• amountStaked tracks active stake per delegator for liquid reward calculations.

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sellVoucher

function sellVoucher() public;

• Uses current exchangeRate and share count to calculate total amount (active stake + rewards).
• Unbonds active stake from validator and transfers rewards to delegator.
• Removes active stake from timeline via updateValidatorState in stakeManager.
• delegators mapping tracks stake in the withdrawal period.

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withdrawRewards

function withdrawRewards() public;

• Calculates rewards for a delegator and transfers them.
• Burns shares proportional to the reward amount based on exchangeRate.
• Example: delegator with 100 shares at exchange rate 200 receives 100 tokens reward; 50 shares are burned; delegator retains 50 shares worth 100 tokens.

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reStake

function reStake() public;

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unStakeClaimTokens

function unStakeClaimTokens()

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updateCommissionRate

function updateCommissionRate(uint256 newCommissionRate)
        external
        onlyValidator

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updateRewards

function updateRewards(uint256 reward, uint256 checkpointStakePower, uint256 validatorStake)
        external
        onlyOwner
        returns (uint256)