keeper

package
v0.2.0-alpha Latest Latest
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 Go to latest Published: Feb 21, 2022 License: Apache-2.0 Imports: 18 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var (

	// EnableAdvanceEpoch indicates whether msgServer accepts MsgAdvanceEpoch or not.
	// Never set this to true in production mode. Doing that will expose serious attack vector.
	EnableAdvanceEpoch = false
)

Functions

func AllInvariants 

func AllInvariants(k Keeper) sdk.Invariant

AllInvariants runs all invariants of the farming module.

func HandlePublicPlanProposal 

func HandlePublicPlanProposal(ctx sdk.Context, k Keeper, proposal *types.PublicPlanProposal) error

HandlePublicPlanProposal is a handler for executing a public plan creation proposal.

func NewMsgServerImpl 

func NewMsgServerImpl(keeper Keeper) types.MsgServer

NewMsgServerImpl returns an implementation of the farming MsgServer interface for the provided Keeper.

func NonNegativeHistoricalRewardsInvariant 

func NonNegativeHistoricalRewardsInvariant(k Keeper) sdk.Invariant

NonNegativeHistoricalRewardsInvariant checks that all HistoricalRewards are non-negative.

func NonNegativeOutstandingRewardsInvariant 

func NonNegativeOutstandingRewardsInvariant(k Keeper) sdk.Invariant

NonNegativeOutstandingRewardsInvariant checks that all OutstandingRewards are non-negative.

func OutstandingRewardsAmountInvariant 

func OutstandingRewardsAmountInvariant(k Keeper) sdk.Invariant

OutstandingRewardsAmountInvariant checks that OutstandingRewards are consistent with rewards that can be withdrawn.

func PositiveQueuedStakingAmountInvariant 

func PositiveQueuedStakingAmountInvariant(k Keeper) sdk.Invariant

PositiveQueuedStakingAmountInvariant checks that the amount of queued staking coins is positive.

func PositiveStakingAmountInvariant 

func PositiveStakingAmountInvariant(k Keeper) sdk.Invariant

PositiveStakingAmountInvariant checks that the amount of staking coins is positive.

func PositiveTotalStakingsAmountInvariant 

func PositiveTotalStakingsAmountInvariant(k Keeper) sdk.Invariant

PositiveTotalStakingsAmountInvariant checks that all TotalStakings have positive amount.

func RegisterInvariants 

func RegisterInvariants(ir sdk.InvariantRegistry, k Keeper)

RegisterInvariants registers all farming invariants.

func RemainingRewardsAmountInvariant 

func RemainingRewardsAmountInvariant(k Keeper) sdk.Invariant

RemainingRewardsAmountInvariant checks that the balance of the RewardPoolAddresses of all plans greater than the total amount of unwithdrawn reward coins in all reward objects

func StakingReservedAmountInvariant 

func StakingReservedAmountInvariant(k Keeper) sdk.Invariant

StakingReservedAmountInvariant checks that the balance of StakingReserveAcc greater than the amount of staked, Queued coins in all staking objects.

Types

type AllocationInfo 

type AllocationInfo struct {
	Plan   types.PlanI
	Amount sdk.Coins
}

AllocationInfo holds information about an allocation for a plan.

type Keeper 

type Keeper struct {
	// contains filtered or unexported fields
}

Keeper of the farming store

func NewKeeper 

func NewKeeper(cdc codec.BinaryCodec, key sdk.StoreKey, paramSpace paramtypes.Subspace,
	accountKeeper types.AccountKeeper, bankKeeper types.BankKeeper,
) Keeper

NewKeeper returns a farming keeper. It handles: - creating new ModuleAccounts for each pool ReserveAccount - sending to and from ModuleAccounts - minting, burning PoolCoins

func (Keeper) AddPublicPlanProposal 

func (k Keeper) AddPublicPlanProposal(ctx sdk.Context, proposals []types.AddPlanRequest) error

AddPublicPlanProposal adds a new public plan once the governance proposal is passed.

func (Keeper) AdvanceEpoch 

func (k Keeper) AdvanceEpoch(ctx sdk.Context) error

AdvanceEpoch ends the current epoch. When an epoch ends, rewards are distributed and queued staking coins become staked.

func (Keeper) AllRewards 

func (k Keeper) AllRewards(ctx sdk.Context, farmerAcc sdk.AccAddress) sdk.Coins

AllRewards returns truncated total rewards accumulated until the current epoch for a farmer.

func (Keeper) AllocateRewards 

func (k Keeper) AllocateRewards(ctx sdk.Context) error

AllocateRewards updates historical rewards and current epoch info based on the allocation infos.

func (Keeper) AllocationInfos 

func (k Keeper) AllocationInfos(ctx sdk.Context) []AllocationInfo

AllocationInfos returns allocation infos for the end of the current epoch. When total allocated coins for a farming pool exceeds the pool's balance, then allocation will not happen.

func (Keeper) CalculateRewards 

func (k Keeper) CalculateRewards(ctx sdk.Context, farmerAcc sdk.AccAddress, stakingCoinDenom string, endingEpoch uint64) (rewards sdk.DecCoins)

CalculateRewards returns rewards accumulated until endingEpoch for a farmer for a given staking coin denom.

func (Keeper) CreateFixedAmountPlan 

func (k Keeper) CreateFixedAmountPlan(ctx sdk.Context, msg *types.MsgCreateFixedAmountPlan, farmingPoolAcc, terminationAcc sdk.AccAddress, typ types.PlanType) (types.PlanI, error)

CreateFixedAmountPlan sets fixed amount plan.

func (Keeper) CreateRatioPlan 

func (k Keeper) CreateRatioPlan(ctx sdk.Context, msg *types.MsgCreateRatioPlan, farmingPoolAcc, terminationAcc sdk.AccAddress, typ types.PlanType) (types.PlanI, error)

CreateRatioPlan sets ratio plan.

func (Keeper) DecreaseOutstandingRewards 

func (k Keeper) DecreaseOutstandingRewards(ctx sdk.Context, stakingCoinDenom string, amount sdk.DecCoins)

DecreaseOutstandingRewards decreases outstanding rewards for a given staking coin denom by given amount. If the resulting outstanding rewards is zero, then the outstanding rewards will be deleted, not updated.

func (Keeper) DecreaseTotalStakings 

func (k Keeper) DecreaseTotalStakings(ctx sdk.Context, stakingCoinDenom string, amount sdk.Int)

DecreaseTotalStakings decreases total stakings for given staking coin denom by given amount.

func (Keeper) DeleteAllHistoricalRewards 

func (k Keeper) DeleteAllHistoricalRewards(ctx sdk.Context, stakingCoinDenom string)

DeleteAllHistoricalRewards deletes all historical rewards for a staking coin denom.

func (Keeper) DeleteCurrentEpoch 

func (k Keeper) DeleteCurrentEpoch(ctx sdk.Context, stakingCoinDenom string)

DeleteCurrentEpoch deletes current epoch info for a given staking coin denom.

func (Keeper) DeleteHistoricalRewards 

func (k Keeper) DeleteHistoricalRewards(ctx sdk.Context, stakingCoinDenom string, epoch uint64)

DeleteHistoricalRewards deletes historical rewards for a given staking coin denom and an epoch number.

func (Keeper) DeleteOutstandingRewards 

func (k Keeper) DeleteOutstandingRewards(ctx sdk.Context, stakingCoinDenom string)

DeleteOutstandingRewards deletes outstanding rewards for a given staking coin denom.

func (Keeper) DeletePublicPlanProposal 

func (k Keeper) DeletePublicPlanProposal(ctx sdk.Context, proposals []types.DeletePlanRequest) error

DeletePublicPlanProposal deletes public plan proposal once the governance proposal is passed.

func (Keeper) DeleteQueuedStaking 

func (k Keeper) DeleteQueuedStaking(ctx sdk.Context, stakingCoinDenom string, farmerAcc sdk.AccAddress)

DeleteQueuedStaking deletes a queued staking for given staking coin denom and farmer.

func (Keeper) DeleteStaking 

func (k Keeper) DeleteStaking(ctx sdk.Context, stakingCoinDenom string, farmerAcc sdk.AccAddress)

DeleteStaking deletes a staking for given staking coin denom and farmer.

func (Keeper) DeleteTotalStakings 

func (k Keeper) DeleteTotalStakings(ctx sdk.Context, stakingCoinDenom string)

DeleteTotalStakings deletes total stakings for given staking coin denom.

func (Keeper) DerivePrivatePlanFarmingPoolAcc 

func (k Keeper) DerivePrivatePlanFarmingPoolAcc(ctx sdk.Context, name string) (sdk.AccAddress, error)

DerivePrivatePlanFarmingPoolAcc returns a unique account address of a farming pool for a private plan.

func (Keeper) ExportGenesis 

func (k Keeper) ExportGenesis(ctx sdk.Context) *types.GenesisState

ExportGenesis returns the farming module's genesis state.

func (Keeper) GetAllQueuedCoinsByFarmer 

func (k Keeper) GetAllQueuedCoinsByFarmer(ctx sdk.Context, farmerAcc sdk.AccAddress) sdk.Coins

GetAllQueuedCoinsByFarmer returns all coins that are queued for staking by a farmer.

func (Keeper) GetAllStakedCoinsByFarmer 

func (k Keeper) GetAllStakedCoinsByFarmer(ctx sdk.Context, farmerAcc sdk.AccAddress) sdk.Coins

GetAllStakedCoinsByFarmer returns all coins that are staked by a farmer.

func (Keeper) GetCodec 

func (k Keeper) GetCodec() codec.BinaryCodec

GetCodec returns codec.Codec object used by the keeper>

func (Keeper) GetCurrentEpoch 

func (k Keeper) GetCurrentEpoch(ctx sdk.Context, stakingCoinDenom string) uint64

GetCurrentEpoch returns the current epoch number for a given staking coin denom.

func (Keeper) GetCurrentEpochDays 

func (k Keeper) GetCurrentEpochDays(ctx sdk.Context) uint32

GetCurrentEpochDays returns the current epoch days(period).

func (Keeper) GetFarmingFeeCollectorAcc 

func (k Keeper) GetFarmingFeeCollectorAcc(ctx sdk.Context) sdk.AccAddress

GetFarmingFeeCollectorAcc returns module account for the farming fee collector account.

func (Keeper) GetGlobalPlanId 

func (k Keeper) GetGlobalPlanId(ctx sdk.Context) uint64

GetGlobalPlanId returns the global Plan ID counter.

func (Keeper) GetHistoricalRewards 

func (k Keeper) GetHistoricalRewards(ctx sdk.Context, stakingCoinDenom string, epoch uint64) (rewards types.HistoricalRewards, found bool)

GetHistoricalRewards returns historical rewards for a given staking coin denom and an epoch number.

func (Keeper) GetLastEpochTime 

func (k Keeper) GetLastEpochTime(ctx sdk.Context) (t time.Time, found bool)

GetLastEpochTime returns the last time the epoch ended.

func (Keeper) GetNextPlanIdWithUpdate 

func (k Keeper) GetNextPlanIdWithUpdate(ctx sdk.Context) uint64

GetNextPlanIdWithUpdate returns and increments the global Plan ID counter. If the global plan number is not set, it initializes it with value 0.

func (Keeper) GetOutstandingRewards 

func (k Keeper) GetOutstandingRewards(ctx sdk.Context, stakingCoinDenom string) (rewards types.OutstandingRewards, found bool)

GetOutstandingRewards returns outstanding rewards for a given staking coin denom.

func (Keeper) GetParams 

func (k Keeper) GetParams(ctx sdk.Context) (params types.Params)

GetParams returns the parameters for the farming module.

func (Keeper) GetPlan 

func (k Keeper) GetPlan(ctx sdk.Context, id uint64) (plan types.PlanI, found bool)

GetPlan returns a plan for a given plan id.

func (Keeper) GetPlans 

func (k Keeper) GetPlans(ctx sdk.Context) (plans []types.PlanI)

GetPlans returns all plans in the store.

func (Keeper) GetQueuedStaking 

func (k Keeper) GetQueuedStaking(ctx sdk.Context, stakingCoinDenom string, farmerAcc sdk.AccAddress) (queuedStaking types.QueuedStaking, found bool)

GetQueuedStaking returns a queued staking for given staking coin denom and farmer.

func (Keeper) GetStaking 

func (k Keeper) GetStaking(ctx sdk.Context, stakingCoinDenom string, farmerAcc sdk.AccAddress) (staking types.Staking, found bool)

GetStaking returns a staking for given staking denom and farmer.

func (Keeper) GetTotalStakings 

func (k Keeper) GetTotalStakings(ctx sdk.Context, stakingCoinDenom string) (totalStakings types.TotalStakings, found bool)

GetTotalStakings returns total stakings for given staking coin denom.

func (Keeper) Harvest 

func (k Keeper) Harvest(ctx sdk.Context, farmerAcc sdk.AccAddress, stakingCoinDenoms []string) error

Harvest claims farming rewards from the reward pool.

func (Keeper) IncreaseOutstandingRewards 

func (k Keeper) IncreaseOutstandingRewards(ctx sdk.Context, stakingCoinDenom string, amount sdk.DecCoins)

IncreaseOutstandingRewards increases outstanding rewards for a given staking coin denom by given amount.

func (Keeper) IncreaseTotalStakings 

func (k Keeper) IncreaseTotalStakings(ctx sdk.Context, stakingCoinDenom string, amount sdk.Int)

IncreaseTotalStakings increases total stakings for given staking coin denom by given amount.

func (Keeper) InitGenesis 

func (k Keeper) InitGenesis(ctx sdk.Context, genState types.GenesisState)

InitGenesis initializes the farming module's state from a given genesis state.

func (Keeper) IterateCurrentEpochs 

func (k Keeper) IterateCurrentEpochs(ctx sdk.Context, cb func(stakingCoinDenom string, currentEpoch uint64) (stop bool))

IterateCurrentEpochs iterates through all current epoch infos stored in the store and invokes callback function for each item. Stops the iteration when the callback function returns true.

func (Keeper) IterateHistoricalRewards 

func (k Keeper) IterateHistoricalRewards(ctx sdk.Context, cb func(stakingCoinDenom string, epoch uint64, rewards types.HistoricalRewards) (stop bool))

IterateHistoricalRewards iterates through all historical rewards stored in the store and invokes callback function for each item. Stops the iteration when the callback function returns true.

func (Keeper) IterateOutstandingRewards 

func (k Keeper) IterateOutstandingRewards(ctx sdk.Context, cb func(stakingCoinDenom string, rewards types.OutstandingRewards) (stop bool))

IterateOutstandingRewards iterates through all outstanding rewards stored in the store and invokes callback function for each item. Stops the iteration when the callback function returns true.

func (Keeper) IteratePlans 

func (k Keeper) IteratePlans(ctx sdk.Context, cb func(plan types.PlanI) (stop bool))

IteratePlans iterates over all the stored plans and performs a callback function. Stops iteration when callback returns true.

func (Keeper) IterateQueuedStakings 

func (k Keeper) IterateQueuedStakings(ctx sdk.Context, cb func(stakingCoinDenom string, farmerAcc sdk.AccAddress, queuedStaking types.QueuedStaking) (stop bool))

IterateQueuedStakings iterates through all queued stakings stored in the store and invokes callback function for each item. Stops the iteration when the callback function returns true.

func (Keeper) IterateQueuedStakingsByFarmer 

func (k Keeper) IterateQueuedStakingsByFarmer(ctx sdk.Context, farmerAcc sdk.AccAddress, cb func(stakingCoinDenom string, queuedStaking types.QueuedStaking) (stop bool))

IterateQueuedStakingsByFarmer iterates through all queued stakings by farmer stored in the store and invokes callback function for each item. Stops the iteration when the callback function returns true.

func (Keeper) IterateStakings 

func (k Keeper) IterateStakings(ctx sdk.Context, cb func(stakingCoinDenom string, farmerAcc sdk.AccAddress, staking types.Staking) (stop bool))

IterateStakings iterates through all stakings stored in the store and invokes callback function for each item. Stops the iteration when the callback function returns true.

func (Keeper) IterateStakingsByFarmer 

func (k Keeper) IterateStakingsByFarmer(ctx sdk.Context, farmerAcc sdk.AccAddress, cb func(stakingCoinDenom string, staking types.Staking) (stop bool))

IterateStakingsByFarmer iterates through all stakings by a farmer stored in the store and invokes callback function for each item. Stops the iteration when the callback function returns true.

func (Keeper) IterateTotalStakings 

func (k Keeper) IterateTotalStakings(ctx sdk.Context, cb func(stakingCoinDenom string, totalStakings types.TotalStakings) (stop bool))

IterateTotalStakings iterates through all total stakings stored in the store and invokes callback function for each item. Stops the iteration when the callback function returns true.

func (Keeper) Logger 

func (k Keeper) Logger(ctx sdk.Context) log.Logger

Logger returns a module-specific logger.

func (Keeper) MarshalPlan 

func (k Keeper) MarshalPlan(plan types.PlanI) ([]byte, error)

MarshalPlan serializes a plan.

func (Keeper) ModifyPublicPlanProposal 

func (k Keeper) ModifyPublicPlanProposal(ctx sdk.Context, proposals []types.ModifyPlanRequest) error

ModifyPublicPlanProposal overwrites the plan with the new plan proposal once the governance proposal is passed.

func (Keeper) ProcessQueuedCoins 

func (k Keeper) ProcessQueuedCoins(ctx sdk.Context)

ProcessQueuedCoins moves queued coins into staked coins. It causes accumulated rewards to be withdrawn to the farmer.

func (Keeper) ReleaseStakingCoins 

func (k Keeper) ReleaseStakingCoins(ctx sdk.Context, farmerAcc sdk.AccAddress, stakingCoins sdk.Coins) error

ReleaseStakingCoins sends staking coins back to the farmer.

func (Keeper) RemovePlan 

func (k Keeper) RemovePlan(ctx sdk.Context, plan types.PlanI)

RemovePlan removes a plan from the store. NOTE: this will cause supply invariant violation if called

func (Keeper) ReserveStakingCoins 

func (k Keeper) ReserveStakingCoins(ctx sdk.Context, farmerAcc sdk.AccAddress, stakingCoins sdk.Coins) error

ReserveStakingCoins sends staking coins to the staking reserve account.

func (Keeper) Rewards 

func (k Keeper) Rewards(ctx sdk.Context, farmerAcc sdk.AccAddress, stakingCoinDenom string) sdk.Coins

Rewards returns truncated rewards accumulated until the current epoch for a farmer for a given staking coin denom.

func (Keeper) SetCurrentEpoch 

func (k Keeper) SetCurrentEpoch(ctx sdk.Context, stakingCoinDenom string, currentEpoch uint64)

SetCurrentEpoch sets the current epoch number for a given staking coin denom.

func (Keeper) SetCurrentEpochDays 

func (k Keeper) SetCurrentEpochDays(ctx sdk.Context, epochDays uint32)

SetCurrentEpochDays sets the current epoch days(period).

func (Keeper) SetGlobalPlanId 

func (k Keeper) SetGlobalPlanId(ctx sdk.Context, id uint64)

SetGlobalPlanId sets the global Plan ID counter.

func (Keeper) SetHistoricalRewards 

func (k Keeper) SetHistoricalRewards(ctx sdk.Context, stakingCoinDenom string, epoch uint64, rewards types.HistoricalRewards)

SetHistoricalRewards sets historical rewards for a given staking coin denom and an epoch number.

func (Keeper) SetLastEpochTime 

func (k Keeper) SetLastEpochTime(ctx sdk.Context, t time.Time)

SetLastEpochTime sets the last time the epoch ended.

func (Keeper) SetOutstandingRewards 

func (k Keeper) SetOutstandingRewards(ctx sdk.Context, stakingCoinDenom string, rewards types.OutstandingRewards)

SetOutstandingRewards sets outstanding rewards for a given staking coin denom.

func (Keeper) SetParams 

func (k Keeper) SetParams(ctx sdk.Context, params types.Params)

SetParams sets the parameters for the farming module.

func (Keeper) SetPlan 

func (k Keeper) SetPlan(ctx sdk.Context, plan types.PlanI)

SetPlan sets a plan for a given plan id.

func (Keeper) SetQueuedStaking 

func (k Keeper) SetQueuedStaking(ctx sdk.Context, stakingCoinDenom string, farmerAcc sdk.AccAddress, queuedStaking types.QueuedStaking)

SetQueuedStaking sets a queued staking for given staking coin denom and farmer.

func (Keeper) SetStaking 

func (k Keeper) SetStaking(ctx sdk.Context, stakingCoinDenom string, farmerAcc sdk.AccAddress, staking types.Staking)

SetStaking sets a staking for given staking coin denom and farmer.

func (Keeper) SetTotalStakings 

func (k Keeper) SetTotalStakings(ctx sdk.Context, stakingCoinDenom string, totalStakings types.TotalStakings)

SetTotalStakings sets total stakings for given staking coin denom.

func (Keeper) Stake 

func (k Keeper) Stake(ctx sdk.Context, farmerAcc sdk.AccAddress, amount sdk.Coins) error

Stake stores staking coins to queued coins, and it will be processed in the next epoch.

func (Keeper) TerminatePlan 

func (k Keeper) TerminatePlan(ctx sdk.Context, plan types.PlanI) error

TerminatePlan sends all remaining coins in the plan's farming pool to the termination address and mark the plan as terminated.

func (Keeper) UnmarshalPlan 

func (k Keeper) UnmarshalPlan(bz []byte) (plan types.PlanI, err error)

UnmarshalPlan returns a plan from raw serialized bytes of a Proto-based Plan type.

func (Keeper) Unstake 

func (k Keeper) Unstake(ctx sdk.Context, farmerAcc sdk.AccAddress, amount sdk.Coins) error

Unstake unstakes an amount of staking coins from the staking reserve account. It causes accumulated rewards to be withdrawn to the farmer.

func (Keeper) ValidateOutstandingRewardsAmount 

func (k Keeper) ValidateOutstandingRewardsAmount(ctx sdk.Context) error

ValidateOutstandingRewardsAmount checks that the balance of the rewards reserve pool is greater than the total amount of outstanding rewards.

func (Keeper) ValidateRemainingRewardsAmount 

func (k Keeper) ValidateRemainingRewardsAmount(ctx sdk.Context) error

ValidateRemainingRewardsAmount checks that the balance of the rewards reserve pool is greater than the total amount of unwithdrawn rewards.

func (Keeper) ValidateStakingReservedAmount 

func (k Keeper) ValidateStakingReservedAmount(ctx sdk.Context) error

ValidateStakingReservedAmount checks that the balance of StakingReserveAcc greater than the amount of staked, queued coins in all staking objects.

func (Keeper) WithdrawAllRewards 

func (k Keeper) WithdrawAllRewards(ctx sdk.Context, farmerAcc sdk.AccAddress) (sdk.Coins, error)

WithdrawAllRewards withdraws all accumulated rewards for a farmer.

func (Keeper) WithdrawRewards 

func (k Keeper) WithdrawRewards(ctx sdk.Context, farmerAcc sdk.AccAddress, stakingCoinDenom string) (sdk.Coins, error)

WithdrawRewards withdraws accumulated rewards for a farmer for a given staking coin denom. It decreases outstanding rewards and set the starting epoch of a staking.

type Querier 

type Querier struct {
	Keeper
}

Querier is used as Keeper will have duplicate methods if used directly, and gRPC names take precedence over keeper.

func (Querier) CurrentEpochDays 

func (k Querier) CurrentEpochDays(c context.Context, req *types.QueryCurrentEpochDaysRequest) (*types.QueryCurrentEpochDaysResponse, error)

CurrentEpochDays queries current epoch days.

func (Querier) Params 

func (k Querier) Params(c context.Context, _ *types.QueryParamsRequest) (*types.QueryParamsResponse, error)

Params queries the parameters of the farming module.

func (Querier) Plan 

func (k Querier) Plan(c context.Context, req *types.QueryPlanRequest) (*types.QueryPlanResponse, error)

Plan queries a specific plan.

func (Querier) Plans 

func (k Querier) Plans(c context.Context, req *types.QueryPlansRequest) (*types.QueryPlansResponse, error)

Plans queries all plans.

func (Querier) Rewards 

func (k Querier) Rewards(c context.Context, req *types.QueryRewardsRequest) (*types.QueryRewardsResponse, error)

Rewards queries accumulated rewards for a farmer.

func (Querier) Stakings 

func (k Querier) Stakings(c context.Context, req *types.QueryStakingsRequest) (*types.QueryStakingsResponse, error)

Stakings queries stakings for a farmer.

func (Querier) TotalStakings 

func (k Querier) TotalStakings(c context.Context, req *types.QueryTotalStakingsRequest) (*types.QueryTotalStakingsResponse, error)

TotalStakings queries total staking coin amount for a specific staking coin denom.

Source Files

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