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claim.go
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claim.go
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package keeper
import (
"fmt"
"strconv"
"strings"
"time"
errorsmod "cosmossdk.io/errors"
sdkmath "cosmossdk.io/math"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
"github.com/gogo/protobuf/proto"
"github.com/Stride-Labs/stride/v7/utils"
"github.com/Stride-Labs/stride/v7/x/claim/types"
vestingtypes "github.com/Stride-Labs/stride/v7/x/claim/vesting/types"
epochstypes "github.com/Stride-Labs/stride/v7/x/epochs/types"
)
func (k Keeper) LoadAllocationData(ctx sdk.Context, allocationData string) bool {
records := []types.ClaimRecord{}
lines := strings.Split(allocationData, "\n")
allocatedFlags := map[string]bool{}
for _, line := range lines {
data := strings.Split(line, ",")
if data[0] == "" || data[1] == "" || data[2] == "" {
continue
}
airdropIdentifier := data[0]
sourceChainAddr := data[1]
airdropWeight := data[2]
strideAddr := utils.ConvertAddressToStrideAddress(sourceChainAddr)
if strideAddr == "" {
continue
}
allocationIdentifier := airdropIdentifier + strideAddr
// Round weight value so that it always has 10 decimal places
weightFloat64, err := strconv.ParseFloat(airdropWeight, 64)
if err != nil {
continue
}
weightStr := fmt.Sprintf("%.10f", weightFloat64)
weight, err := sdk.NewDecFromStr(weightStr)
if weight.IsNegative() || weight.IsZero() {
continue
}
if err != nil || allocatedFlags[allocationIdentifier] {
continue
}
_, err = sdk.AccAddressFromBech32(strideAddr)
if err != nil {
continue
}
records = append(records, types.ClaimRecord{
AirdropIdentifier: airdropIdentifier,
Address: strideAddr,
Weight: weight,
ActionCompleted: []bool{false, false, false},
})
allocatedFlags[allocationIdentifier] = true
}
if err := k.SetClaimRecordsWithWeights(ctx, records); err != nil {
panic(err)
}
return true
}
// Remove duplicated airdrops for given params
func (k Keeper) GetUnallocatedUsers(ctx sdk.Context, identifier string, users []string, weights []sdk.Dec) ([]string, []sdk.Dec) {
store := ctx.KVStore(k.storeKey)
prefixStore := prefix.NewStore(store, append([]byte(types.ClaimRecordsStorePrefix), []byte(identifier)...))
newUsers := []string{}
newWeights := []sdk.Dec{}
for idx, user := range users {
strideAddr := utils.ConvertAddressToStrideAddress(user)
addr, _ := sdk.AccAddressFromBech32(strideAddr)
// If new user, then append user and weight
if !prefixStore.Has(addr) {
newUsers = append(newUsers, user)
newWeights = append(newWeights, weights[idx])
}
}
return newUsers, newWeights
}
// Get airdrop duration for action
func GetAirdropDurationForAction(action types.Action) int64 {
if action == types.ACTION_DELEGATE_STAKE {
return int64(types.DefaultVestingDurationForDelegateStake.Seconds())
} else if action == types.ACTION_LIQUID_STAKE {
return int64(types.DefaultVestingDurationForLiquidStake.Seconds())
}
return int64(0)
}
// Get airdrop by distributor
func (k Keeper) GetAirdropByDistributor(ctx sdk.Context, distributor string) *types.Airdrop {
params, err := k.GetParams(ctx)
if err != nil {
panic(err)
}
if distributor == "" {
return nil
}
for _, airdrop := range params.Airdrops {
if airdrop.DistributorAddress == distributor {
return airdrop
}
}
return nil
}
// Get airdrop by identifier
func (k Keeper) GetAirdropByIdentifier(ctx sdk.Context, airdropIdentifier string) *types.Airdrop {
params, err := k.GetParams(ctx)
if err != nil {
panic(err)
}
if airdropIdentifier == "" {
return nil
}
for _, airdrop := range params.Airdrops {
if airdrop.AirdropIdentifier == airdropIdentifier {
return airdrop
}
}
return nil
}
// GetDistributorAccountBalance gets the airdrop coin balance of module account
func (k Keeper) GetDistributorAccountBalance(ctx sdk.Context, airdropIdentifier string) (sdk.Coin, error) {
airdrop := k.GetAirdropByIdentifier(ctx, airdropIdentifier)
if airdrop == nil {
return sdk.Coin{}, errorsmod.Wrapf(sdkerrors.ErrInvalidAddress, "invalid airdrop identifier: GetDistributorAccountBalance")
}
addr, err := k.GetAirdropDistributor(ctx, airdropIdentifier)
if err != nil {
return sdk.Coin{}, err
}
return k.bankKeeper.GetBalance(ctx, addr, airdrop.ClaimDenom), nil
}
// EndAirdrop ends airdrop and clear all user claim records
func (k Keeper) EndAirdrop(ctx sdk.Context, airdropIdentifier string) error {
ctx.Logger().Info("Clearing claims module state entries")
k.clearInitialClaimables(ctx, airdropIdentifier)
k.DeleteTotalWeight(ctx, airdropIdentifier)
return k.DeleteAirdropAndEpoch(ctx, airdropIdentifier)
}
func (k Keeper) IsInitialPeriodPassed(ctx sdk.Context, airdropIdentifier string) bool {
airdrop := k.GetAirdropByIdentifier(ctx, airdropIdentifier)
if airdrop == nil {
k.Logger(ctx).Info("[CLAIM] airdrop is nil")
return false
}
goneTime := ctx.BlockTime().Sub(airdrop.AirdropStartTime)
k.Logger(ctx).Info(fmt.Sprintf("[CLAIM] goneTime %v", goneTime))
// Check if elapsed time since airdrop start is over the initial period of vesting
k.Logger(ctx).Info(fmt.Sprintf("[CLAIM] goneTime.Seconds() %v", goneTime.Seconds()))
k.Logger(ctx).Info(fmt.Sprintf("[CLAIM] types.DefaultVestingInitialPeriod.Seconds() %v", types.DefaultVestingInitialPeriod.Seconds()))
return goneTime.Seconds() >= types.DefaultVestingInitialPeriod.Seconds()
}
// ResetClaimStatus clear users' claimed status only after initial period of vesting is passed
func (k Keeper) ResetClaimStatus(ctx sdk.Context, airdropIdentifier string) error {
passed := k.IsInitialPeriodPassed(ctx, airdropIdentifier)
k.Logger(ctx).Info(fmt.Sprintf("[CLAIM] k.IsInitialPeriodPassed(ctx, airdropIdentifier) %v", passed))
if passed {
k.Logger(ctx).Info("Resetting claim status")
// first, reset the claim records
records := k.GetClaimRecords(ctx, airdropIdentifier)
k.Logger(ctx).Info(fmt.Sprintf("[CLAIM] len(records) %v", len(records)))
for idx := range records {
records[idx].ActionCompleted = []bool{false, false, false}
}
k.Logger(ctx).Info("[CLAIM] SetClaimRecords...")
if err := k.SetClaimRecords(ctx, records); err != nil {
k.Logger(ctx).Info(fmt.Sprintf("[CLAIM] SetClaimRecords %v", err.Error()))
return err
}
// then, reset the airdrop ClaimedSoFar
k.Logger(ctx).Info("[CLAIM] ResetClaimedSoFar...")
if err := k.ResetClaimedSoFar(ctx); err != nil {
k.Logger(ctx).Info(fmt.Sprintf("[CLAIM] ResetClaimedSoFar %v", err.Error()))
return err
}
}
return nil
}
// ClearClaimables clear claimable amounts
func (k Keeper) clearInitialClaimables(ctx sdk.Context, airdropIdentifier string) {
store := ctx.KVStore(k.storeKey)
iterator := sdk.KVStorePrefixIterator(store, append([]byte(types.ClaimRecordsStorePrefix), []byte(airdropIdentifier)...))
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
key := iterator.Key()
store.Delete(key)
}
}
func (k Keeper) SetClaimRecordsWithWeights(ctx sdk.Context, claimRecords []types.ClaimRecord) error {
// Set total weights
weights := make(map[string]sdk.Dec)
for _, record := range claimRecords {
if weights[record.AirdropIdentifier].IsNil() {
weights[record.AirdropIdentifier] = sdk.ZeroDec()
}
weights[record.AirdropIdentifier] = weights[record.AirdropIdentifier].Add(record.Weight)
}
// DO NOT REMOVE: StringMapKeys fixes non-deterministic map iteration
for _, identifier := range utils.StringMapKeys(weights) {
weight := weights[identifier]
k.SetTotalWeight(ctx, weight, identifier)
}
// Set claim records
return k.SetClaimRecords(ctx, claimRecords)
}
// SetClaimRecords set claim records and total weights
func (k Keeper) SetClaimRecords(ctx sdk.Context, claimRecords []types.ClaimRecord) error {
for _, claimRecord := range claimRecords {
err := k.SetClaimRecord(ctx, claimRecord)
if err != nil {
return err
}
}
return nil
}
// GetClaimables get claimables for genesis export
func (k Keeper) GetClaimRecords(ctx sdk.Context, airdropIdentifier string) []types.ClaimRecord {
store := ctx.KVStore(k.storeKey)
prefixStore := prefix.NewStore(store, append([]byte(types.ClaimRecordsStorePrefix), []byte(airdropIdentifier)...))
iterator := prefixStore.Iterator(nil, nil)
defer iterator.Close()
claimRecords := []types.ClaimRecord{}
for ; iterator.Valid(); iterator.Next() {
claimRecord := types.ClaimRecord{}
err := proto.Unmarshal(iterator.Value(), &claimRecord)
if err != nil {
panic(err)
}
claimRecords = append(claimRecords, claimRecord)
}
return claimRecords
}
// GetClaimRecord returns the claim record for a specific address
func (k Keeper) GetClaimRecord(ctx sdk.Context, addr sdk.AccAddress, airdropIdentifier string) (types.ClaimRecord, error) {
store := ctx.KVStore(k.storeKey)
prefixStore := prefix.NewStore(store, append([]byte(types.ClaimRecordsStorePrefix), []byte(airdropIdentifier)...))
if !prefixStore.Has(addr) {
return types.ClaimRecord{}, nil
}
bz := prefixStore.Get(addr)
claimRecord := types.ClaimRecord{}
err := proto.Unmarshal(bz, &claimRecord)
if err != nil {
return types.ClaimRecord{}, err
}
return claimRecord, nil
}
// SetTotalWeight sets total sum of user weights in store
func (k Keeper) SetTotalWeight(ctx sdk.Context, totalWeight sdk.Dec, airdropIdentifier string) {
store := ctx.KVStore(k.storeKey)
store.Set(append([]byte(types.TotalWeightKey), []byte(airdropIdentifier)...), []byte(totalWeight.String()))
}
// DeleteTotalWeight deletes total weights for airdrop
func (k Keeper) DeleteTotalWeight(ctx sdk.Context, airdropIdentifier string) {
store := ctx.KVStore(k.storeKey)
store.Delete(append([]byte(types.TotalWeightKey), []byte(airdropIdentifier)...))
}
// GetTotalWeight gets total sum of user weights in store
func (k Keeper) GetTotalWeight(ctx sdk.Context, airdropIdentifier string) (sdk.Dec, error) {
store := ctx.KVStore(k.storeKey)
b := store.Get(append([]byte(types.TotalWeightKey), []byte(airdropIdentifier)...))
if b == nil {
return sdk.ZeroDec(), nil
}
totalWeight, err := sdk.NewDecFromStr(string(b))
if err != nil {
return sdk.ZeroDec(), types.ErrTotalWeightParse
}
return totalWeight, nil
}
// SetClaimRecord sets a claim record for an address in store
func (k Keeper) SetClaimRecord(ctx sdk.Context, claimRecord types.ClaimRecord) error {
store := ctx.KVStore(k.storeKey)
prefixStore := prefix.NewStore(store, append([]byte(types.ClaimRecordsStorePrefix), []byte(claimRecord.AirdropIdentifier)...))
bz, err := proto.Marshal(&claimRecord)
if err != nil {
return err
}
addr, err := sdk.AccAddressFromBech32(claimRecord.Address)
if err != nil {
return err
}
prefixStore.Set(addr, bz)
return nil
}
// Get airdrop distributor address
func (k Keeper) GetAirdropDistributor(ctx sdk.Context, airdropIdentifier string) (sdk.AccAddress, error) {
airdrop := k.GetAirdropByIdentifier(ctx, airdropIdentifier)
if airdrop == nil {
return sdk.AccAddress{}, errorsmod.Wrapf(sdkerrors.ErrInvalidAddress, "invalid airdrop identifier: GetAirdropDistributor")
}
return sdk.AccAddressFromBech32(airdrop.DistributorAddress)
}
// Get airdrop claim denom
func (k Keeper) GetAirdropClaimDenom(ctx sdk.Context, airdropIdentifier string) (string, error) {
airdrop := k.GetAirdropByIdentifier(ctx, airdropIdentifier)
if airdrop == nil {
return "", errorsmod.Wrapf(sdkerrors.ErrInvalidRequest, "invalid airdrop identifier: GetAirdropClaimDenom")
}
return airdrop.ClaimDenom, nil
}
// GetClaimable returns claimable amount for a specific action done by an address
func (k Keeper) GetClaimableAmountForAction(ctx sdk.Context, addr sdk.AccAddress, action types.Action, airdropIdentifier string, includeClaimed bool) (sdk.Coins, error) {
claimRecord, err := k.GetClaimRecord(ctx, addr, airdropIdentifier)
if err != nil {
return nil, err
}
if claimRecord.Address == "" {
return sdk.Coins{}, nil
}
// if action already completed (and we're not including claimed tokens), nothing is claimable
if !includeClaimed && claimRecord.ActionCompleted[action] {
return sdk.Coins{}, nil
}
airdrop := k.GetAirdropByIdentifier(ctx, airdropIdentifier)
if ctx.BlockTime().Before(airdrop.AirdropStartTime) {
return sdk.Coins{}, nil
}
totalWeight, err := k.GetTotalWeight(ctx, airdropIdentifier)
if err != nil {
return nil, types.ErrFailedToGetTotalWeight
}
percentageForAction := types.PercentageForFree
if action == types.ACTION_DELEGATE_STAKE {
percentageForAction = types.PercentageForStake
} else if action == types.ACTION_LIQUID_STAKE {
percentageForAction = types.PercentageForLiquidStake
}
distributorAccountBalance, err := k.GetDistributorAccountBalance(ctx, airdropIdentifier)
if err != nil {
return sdk.Coins{}, err
}
poolBal := distributorAccountBalance.AddAmount(airdrop.ClaimedSoFar)
claimableAmount := sdk.NewDec(poolBal.Amount.Int64()).
Mul(percentageForAction).
Mul(claimRecord.Weight).
Quo(totalWeight).RoundInt()
claimableCoins := sdk.NewCoins(sdk.NewCoin(airdrop.ClaimDenom, claimableAmount))
elapsedAirdropTime := ctx.BlockTime().Sub(airdrop.AirdropStartTime)
// The entire airdrop has completed
if elapsedAirdropTime > airdrop.AirdropDuration {
return sdk.Coins{}, nil
}
return claimableCoins, nil
}
// GetUserVestings returns all vestings associated to the user account
func (k Keeper) GetUserVestings(ctx sdk.Context, addr sdk.AccAddress) (vestingtypes.Periods, sdk.Coins) {
acc := k.accountKeeper.GetAccount(ctx, addr)
strideVestingAcc, isStrideVestingAccount := acc.(*vestingtypes.StridePeriodicVestingAccount)
if !isStrideVestingAccount {
return vestingtypes.Periods{}, sdk.Coins{}
} else {
return strideVestingAcc.VestingPeriods, strideVestingAcc.GetVestedCoins(ctx.BlockTime())
}
}
// GetClaimable returns claimable amount for a specific action done by an address
func (k Keeper) GetUserTotalClaimable(ctx sdk.Context, addr sdk.AccAddress, airdropIdentifier string, includeClaimed bool) (sdk.Coins, error) {
claimRecord, err := k.GetClaimRecord(ctx, addr, airdropIdentifier)
if err != nil {
return sdk.Coins{}, err
}
if claimRecord.Address == "" {
return sdk.Coins{}, nil
}
totalClaimable := sdk.Coins{}
for action := range utils.Int32MapKeys(types.Action_name) {
claimableForAction, err := k.GetClaimableAmountForAction(ctx, addr, types.Action(action), airdropIdentifier, includeClaimed)
if err != nil {
return sdk.Coins{}, err
}
if !claimableForAction.Empty() {
totalClaimable = totalClaimable.Add(claimableForAction...)
}
}
return totalClaimable, nil
}
// Get airdrop identifier corresponding to the user address
func (k Keeper) GetAirdropIdentifiersForUser(ctx sdk.Context, addr sdk.AccAddress) []string {
store := ctx.KVStore(k.storeKey)
params, err := k.GetParams(ctx)
identifiers := []string{}
if err != nil {
return identifiers
}
for _, airdrop := range params.Airdrops {
prefixStore := prefix.NewStore(store, append([]byte(types.ClaimRecordsStorePrefix), []byte(airdrop.AirdropIdentifier)...))
if prefixStore.Has(addr) {
identifiers = append(identifiers, airdrop.AirdropIdentifier)
}
}
return identifiers
}
func (k Keeper) AfterClaim(ctx sdk.Context, airdropIdentifier string, claimAmount sdkmath.Int) error {
// Increment ClaimedSoFar on the airdrop record
// fetch the airdrop
airdrop := k.GetAirdropByIdentifier(ctx, airdropIdentifier)
if airdrop == nil {
return errorsmod.Wrapf(sdkerrors.ErrInvalidRequest, "invalid airdrop identifier: AfterClaim")
}
// increment the claimed so far
err := k.IncrementClaimedSoFar(ctx, airdropIdentifier, claimAmount)
if err != nil {
return err
}
return nil
}
func (k Keeper) ClaimAllCoinsForAction(ctx sdk.Context, addr sdk.AccAddress, action types.Action) (sdk.Coins, error) {
// get all airdrops for the user
airdropIdentifiers := k.GetAirdropIdentifiersForUser(ctx, addr)
// claim all coins for the action
totalClaimable := sdk.Coins{}
for _, airdropIdentifier := range airdropIdentifiers {
claimable, err := k.ClaimCoinsForAction(ctx, addr, action, airdropIdentifier)
if err != nil {
return sdk.Coins{}, err
}
totalClaimable = totalClaimable.Add(claimable...)
}
return totalClaimable, nil
}
// ClaimCoins remove claimable amount entry and transfer it to user's account
func (k Keeper) ClaimCoinsForAction(ctx sdk.Context, addr sdk.AccAddress, action types.Action, airdropIdentifier string) (sdk.Coins, error) {
isPassed := k.IsInitialPeriodPassed(ctx, airdropIdentifier)
if airdropIdentifier == "" {
return nil, errorsmod.Wrapf(sdkerrors.ErrInvalidRequest, "invalid airdrop identifier: ClaimCoinsForAction")
}
claimableAmount, err := k.GetClaimableAmountForAction(ctx, addr, action, airdropIdentifier, false)
if err != nil {
return claimableAmount, err
}
if claimableAmount.Empty() {
return claimableAmount, nil
}
claimRecord, err := k.GetClaimRecord(ctx, addr, airdropIdentifier)
if err != nil {
return nil, err
}
// Only BaseAccounts and StridePeriodicVestingAccount can claim
acc := k.accountKeeper.GetAccount(ctx, addr)
_, isStrideVestingAccount := acc.(*vestingtypes.StridePeriodicVestingAccount)
_, isBaseAcc := acc.(*authtypes.BaseAccount)
canClaim := isStrideVestingAccount || isBaseAcc
if !canClaim {
return nil, errorsmod.Wrapf(types.ErrInvalidAccount, "Account: %v", acc)
}
// Claims don't vest if action type is ActionFree or initial period of vesting is passed
if !isPassed {
acc = k.accountKeeper.GetAccount(ctx, addr)
strideVestingAcc, isStrideVestingAccount := acc.(*vestingtypes.StridePeriodicVestingAccount)
// Check if vesting tokens already exist for this account.
if !isStrideVestingAccount {
// Convert user account into stride veting account.
baseAccount := k.accountKeeper.NewAccountWithAddress(ctx, addr)
if _, ok := baseAccount.(*authtypes.BaseAccount); !ok {
return nil, errorsmod.Wrapf(sdkerrors.ErrInvalidRequest, "invalid account type; expected: BaseAccount, got: %T", baseAccount)
}
periodLength := GetAirdropDurationForAction(action)
vestingAcc := vestingtypes.NewStridePeriodicVestingAccount(baseAccount.(*authtypes.BaseAccount), claimableAmount, []vestingtypes.Period{{
StartTime: ctx.BlockTime().Unix(),
Length: periodLength,
Amount: claimableAmount,
ActionType: int32(action),
}})
k.accountKeeper.SetAccount(ctx, vestingAcc)
} else {
// Grant a new vesting to the existing stride vesting account
periodLength := GetAirdropDurationForAction(action)
strideVestingAcc.AddNewGrant(vestingtypes.Period{
StartTime: ctx.BlockTime().Unix(),
Length: periodLength,
Amount: claimableAmount,
ActionType: int32(action),
})
k.accountKeeper.SetAccount(ctx, strideVestingAcc)
}
}
distributor, err := k.GetAirdropDistributor(ctx, airdropIdentifier)
if err != nil {
return nil, err
}
err = k.bankKeeper.SendCoins(ctx, distributor, addr, claimableAmount)
if err != nil {
return nil, err
}
claimRecord.ActionCompleted[action] = true
err = k.SetClaimRecord(ctx, claimRecord)
if err != nil {
return claimableAmount, err
}
airdrop := k.GetAirdropByIdentifier(ctx, airdropIdentifier)
if airdrop == nil {
return nil, errorsmod.Wrapf(sdkerrors.ErrInvalidRequest, "invalid airdrop identifier: ClaimCoinsForAction")
}
err = k.AfterClaim(ctx, airdropIdentifier, claimableAmount.AmountOf(airdrop.ClaimDenom))
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
types.EventTypeClaim,
sdk.NewAttribute(sdk.AttributeKeySender, addr.String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, claimableAmount.String()),
),
})
return claimableAmount, nil
}
// CreateAirdropAndEpoch creates a new airdrop and epoch for that.
func (k Keeper) CreateAirdropAndEpoch(ctx sdk.Context, distributor string, denom string, startTime uint64, duration uint64, identifier string) error {
params, err := k.GetParams(ctx)
if err != nil {
panic(err)
}
for _, airdrop := range params.Airdrops {
if airdrop.AirdropIdentifier == identifier {
return types.ErrAirdropAlreadyExists
}
}
airdrop := types.Airdrop{
AirdropIdentifier: identifier,
AirdropDuration: time.Duration(duration * uint64(time.Second)),
ClaimDenom: denom,
DistributorAddress: distributor,
AirdropStartTime: time.Unix(int64(startTime), 0),
}
params.Airdrops = append(params.Airdrops, &airdrop)
k.epochsKeeper.SetEpochInfo(ctx, epochstypes.EpochInfo{
Identifier: fmt.Sprintf("airdrop-%s", identifier),
StartTime: airdrop.AirdropStartTime.Add(time.Minute),
Duration: time.Hour * 24 * 30,
CurrentEpoch: 0,
CurrentEpochStartHeight: 0,
CurrentEpochStartTime: time.Time{},
EpochCountingStarted: false,
})
return k.SetParams(ctx, params)
}
// IncrementClaimedSoFar increments ClaimedSoFar for a single airdrop
func (k Keeper) IncrementClaimedSoFar(ctx sdk.Context, identifier string, amount sdkmath.Int) error {
params, err := k.GetParams(ctx)
if err != nil {
panic(err)
}
if amount.LT(sdkmath.ZeroInt()) {
return types.ErrInvalidAmount
}
newAirdrops := []*types.Airdrop{}
for _, airdrop := range params.Airdrops {
if airdrop.AirdropIdentifier == identifier {
airdrop.ClaimedSoFar = airdrop.ClaimedSoFar.Add(amount)
}
newAirdrops = append(newAirdrops, airdrop)
}
params.Airdrops = newAirdrops
return k.SetParams(ctx, params)
}
// ResetClaimedSoFar resets ClaimedSoFar for a all airdrops
func (k Keeper) ResetClaimedSoFar(ctx sdk.Context) error {
params, err := k.GetParams(ctx)
k.Logger(ctx).Info(fmt.Sprintf("[CLAIM] params.Airdrops %v", params.Airdrops))
if err != nil {
panic(err)
}
newAirdrops := []*types.Airdrop{}
for _, airdrop := range params.Airdrops {
airdrop.ClaimedSoFar = sdkmath.ZeroInt()
newAirdrops = append(newAirdrops, airdrop)
}
params.Airdrops = newAirdrops
k.Logger(ctx).Info(fmt.Sprintf("[CLAIM] params.Airdrops %v", params.Airdrops))
return k.SetParams(ctx, params)
}
// DeleteAirdropAndEpoch deletes existing airdrop and corresponding epoch.
func (k Keeper) DeleteAirdropAndEpoch(ctx sdk.Context, identifier string) error {
params, err := k.GetParams(ctx)
if err != nil {
panic(err)
}
newAirdrops := []*types.Airdrop{}
for _, airdrop := range params.Airdrops {
if airdrop.AirdropIdentifier != identifier {
newAirdrops = append(newAirdrops, airdrop)
}
}
params.Airdrops = newAirdrops
k.epochsKeeper.DeleteEpochInfo(ctx, fmt.Sprintf("airdrop-%s", identifier))
return k.SetParams(ctx, params)
}