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102 lines
5.8 KiB
Markdown
102 lines
5.8 KiB
Markdown
<!--
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order: 2
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-->
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# State
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## Parameters and Genesis State
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`Parameters` define the types of incentives that are available and the rewards that are available for each incentive.
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```go
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// Params governance parameters for the incentive module
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type Params struct {
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USDXMintingRewardPeriods RewardPeriods `json:"usdx_minting_reward_periods" yaml:"usdx_minting_reward_periods"` // rewards for minting USDX
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HardSupplyRewardPeriods MultiRewardPeriods `json:"hard_supply_reward_periods" yaml:"hard_supply_reward_periods"` // rewards for hard supply
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HardBorrowRewardPeriods MultiRewardPeriods `json:"hard_borrow_reward_periods" yaml:"hard_borrow_reward_periods"` // rewards for hard borrow
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HardDelegatorRewardPeriods RewardPeriods `json:"hard_delegator_reward_periods" yaml:"hard_delegator_reward_periods"` // rewards for kava delegators
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ClaimMultipliers Multipliers `json:"claim_multipliers" yaml:"claim_multipliers"` // the available claim multipliers that determine who much rewards are paid out and how long rewards are locked for
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ClaimEnd time.Time `json:"claim_end" yaml:"claim_end"` // the time at which claims expire
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}
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```
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Each `RewardPeriod` defines a particular collateral for which rewards are eligible and the amount of rewards available.
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```go
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// RewardPeriod stores the state of an ongoing reward
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type RewardPeriod struct {
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Active bool `json:"active" yaml:"active"` // if the reward is active
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CollateralType string `json:"collateral_type" yaml:"collateral_type"` // the collateral type for which rewards apply
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Start time.Time `json:"start" yaml:"start"` // when the rewards start
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End time.Time `json:"end" yaml:"end"` // when the rewards end
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RewardsPerSecond sdk.Coin `json:"rewards_per_second" yaml:"rewards_per_second"` // per second reward payouts
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}
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```
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Each `MultiRewardPeriod` defines a particular collateral for which one or more reward tokens are eligible and the amount of rewards available
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```go
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// MultiRewardPeriod supports multiple reward types
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type MultiRewardPeriod struct {
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Active bool `json:"active" yaml:"active"`
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CollateralType string `json:"collateral_type" yaml:"collateral_type"`
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Start time.Time `json:"start" yaml:"start"`
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End time.Time `json:"end" yaml:"end"`
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RewardsPerSecond sdk.Coins `json:"rewards_per_second" yaml:"rewards_per_second"` // per second reward payouts
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}
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```
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`GenesisState` defines the state that must be persisted when the blockchain stops/restarts in order for normal function of the incentive module to resume.
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```go
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// GenesisState is the state that must be provided at genesis.
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type GenesisState struct {
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Params Params `json:"params" yaml:"params"` // governance parameters
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USDXAccumulationTimes GenesisAccumulationTimes `json:"usdx_accumulation_times" yaml:"usdx_accumulation_times"` // when USDX rewards were last accumulated
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HardSupplyAccumulationTimes GenesisAccumulationTimes `json:"hard_supply_accumulation_times" yaml:"hard_supply_accumulation_times"` // when hard supply rewards were last accumulated
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HardBorrowAccumulationTimes GenesisAccumulationTimes `json:"hard_borrow_accumulation_times" yaml:"hard_borrow_accumulation_times"` // when hard borrow rewards were last accumulated
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HardDelegatorAccumulationTimes GenesisAccumulationTimes `json:"hard_delegator_accumulation_times" yaml:"hard_delegator_accumulation_times"` // when hard delegator rewards were last accumulated
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USDXMintingClaims USDXMintingClaims `json:"usdx_minting_claims" yaml:"usdx_minting_claims"` // USDX minting claims at genesis, if any
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HardLiquidityProviderClaims HardLiquidityProviderClaims `json:"hard_liquidity_provider_claims" yaml:"hard_liquidity_provider_claims"` // Hard liquidity provider claims at genesis, if any
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}
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```
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## Store
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For complete details for how items are stored, see [keys.go](../types/keys.go).
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### Claim Creation
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When users take incentivized actions, the `incentive` module will create or update a `Claim` object in the store, which represents the amount of rewards that the user is eligible to claim. The two defined claim objects are `USDXMintingClaims` and `HardLiquidityProviderClaims`:
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```go
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// BaseClaim is a common type shared by all Claims
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type BaseClaim struct {
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Owner sdk.AccAddress `json:"owner" yaml:"owner"`
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Reward sdk.Coin `json:"reward" yaml:"reward"`
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}
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// BaseMultiClaim is a common type shared by all Claims with multiple reward denoms
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type BaseMultiClaim struct {
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Owner sdk.AccAddress `json:"owner" yaml:"owner"`
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Reward sdk.Coins `json:"reward" yaml:"reward"`
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}
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// USDXMintingClaim is for USDX minting rewards
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type USDXMintingClaim struct {
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BaseClaim `json:"base_claim" yaml:"base_claim"` // Base claim object
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RewardIndexes RewardIndexes `json:"reward_indexes" yaml:"reward_indexes"` // indexes which are used to calculate the amount of rewards a user can claim
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}
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// HardLiquidityProviderClaim stores the hard liquidity provider rewards that can be claimed by owner
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type HardLiquidityProviderClaim struct {
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BaseMultiClaim `json:"base_claim" yaml:"base_claim"` // base claim object
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SupplyRewardIndexes MultiRewardIndexes `json:"supply_reward_indexes" yaml:"supply_reward_indexes"` // indexes which are used to calculate the amount of hard supply rewards a user can claim
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BorrowRewardIndexes MultiRewardIndexes `json:"borrow_reward_indexes" yaml:"borrow_reward_indexes"` // indexes which are used to calculate the amount of hard borrow rewards a user can claim
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DelegatorRewardIndexes RewardIndexes `json:"delegator_reward_indexes" yaml:"delegator_reward_indexes"` // indexes which are used to calculate the amount of hard delegator rewards a user can claim
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}
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```
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