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claim.go
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claim.go
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package keeper
import (
"cosmossdk.io/errors"
c4eerrors "github.com/chain4energy/c4e-chain/types/errors"
"github.com/chain4energy/c4e-chain/x/cfeclaim/types"
cfevestingtypes "github.com/chain4energy/c4e-chain/x/cfevesting/types"
sdk "github.com/cosmos/cosmos-sdk/types"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
)
func (k Keeper) InitialClaim(ctx sdk.Context, claimer string, campaignId uint64, destinationAddress string) (sdk.Coins, error) {
k.Logger(ctx).Debug("initial claim", "claimer", claimer, "campaignId", campaignId, "destinationAddress", destinationAddress)
campaign, mission, userEntry, claimRecord, err := k.prepareClaimData(ctx, campaignId, types.InitialMissionId, claimer)
if err != nil {
return nil, err
}
if err = k.validateDestinationAddress(ctx, destinationAddress); err != nil {
return nil, err
}
claimRecord.Address = destinationAddress
if err = claimRecord.CompleteMission(campaignId, mission.Id); err != nil {
return nil, err
}
claimableAmount, updatedFree := k.calculateInitialClaimClaimableAmount(ctx, campaign, claimRecord)
err = k.claimMission(ctx, campaign, mission, claimRecord, claimableAmount, updatedFree)
if err != nil {
return nil, err
}
if campaign.FeegrantAmount.IsPositive() {
granteeAddr, err := sdk.AccAddressFromBech32(userEntry.Address)
if err != nil {
return nil, err
}
_, accountAddr := CreateFeegrantAccountAddress(campaignId)
if err = k.revokeFeeAllowance(ctx, accountAddr, granteeAddr); err != nil {
return nil, err
}
}
k.SetUserEntry(ctx, *userEntry)
event := &types.EventInitialClaim{
Claimer: claimer,
CampaignId: campaignId,
AddressToClaim: destinationAddress,
Amount: claimableAmount.String(),
}
if err = ctx.EventManager().EmitTypedEvent(event); err != nil {
k.Logger(ctx).Debug("initial claim emit event error", "event", event, "error", err.Error())
}
return claimableAmount, nil
}
func (k Keeper) Claim(ctx sdk.Context, campaignId uint64, missionId uint64, claimer string) (sdk.Coins, error) {
k.Logger(ctx).Debug("claim", "claimer", claimer, "campaignId", campaignId, "missionId", missionId)
campaign, mission, userEntry, claimRecord, err := k.prepareClaimData(ctx, campaignId, missionId, claimer)
if err != nil {
return nil, err
}
if !claimRecord.IsInitialMissionClaimed() {
return nil, errors.Wrapf(types.ErrMissionNotCompleted, "initial mission not completed: address %s, campaignId: %d", userEntry.Address, campaignId)
}
if mission.MissionType == types.MissionClaim {
if err = claimRecord.CompleteMission(campaignId, mission.Id); err != nil {
return nil, err
}
}
claimableAmount, err := claimRecord.ClaimableFromMission(mission)
if err != nil {
return nil, err
}
err = k.claimMission(ctx, campaign, mission, claimRecord, claimableAmount, campaign.Free)
if err != nil {
return nil, err
}
k.SetUserEntry(ctx, *userEntry)
event := &types.EventClaim{
Claimer: claimer,
CampaignId: campaignId,
MissionId: missionId,
Amount: claimableAmount.String(),
}
if err = ctx.EventManager().EmitTypedEvent(event); err != nil {
k.Logger(ctx).Debug("claim emit event error", "event", event, "error", err.Error())
}
return claimableAmount, nil
}
func (k Keeper) CompleteMissionFromHook(ctx sdk.Context, campaignId uint64, missionId uint64, address string) error {
_, mission, userEntry, claimRecord, err := k.prepareClaimData(ctx, campaignId, missionId, address)
if err != nil {
k.Logger(ctx).Debug("complete mission from hook", "err", err.Error())
return err
}
if err = claimRecord.CompleteMission(campaignId, mission.Id); err != nil {
return err
}
k.SetUserEntry(ctx, *userEntry)
event := &types.EventCompleteMission{
CampaignId: campaignId,
MissionId: missionId,
UserAddress: address,
}
if err = ctx.EventManager().EmitTypedEvent(event); err != nil {
k.Logger(ctx).Debug("complete mission from hook event error", "event", event, "error", err.Error())
}
return nil
}
func (k Keeper) claimMission(ctx sdk.Context, campaign *types.Campaign, mission *types.Mission, claimRecord *types.ClaimRecord,
claimableAmount sdk.Coins, free sdk.Dec) error {
k.Logger(ctx).Debug("claim mission", "campaignId", campaign.Id, "missionid", mission.Id, "claimRecordAddress", claimRecord.Address,
"claimRecordDestinationAddress", claimRecord.Address, "claimableAmount", claimableAmount, "free", free)
if err := claimRecord.ClaimMission(campaign.Id, mission.Id); err != nil {
return errors.Wrapf(types.ErrMissionClaiming, err.Error())
}
if campaign.CampaignType == types.VestingPoolCampaign {
if err := k.vestingKeeper.SendReservedToNewVestingAccount(ctx, campaign.Owner, claimRecord.Address, campaign.VestingPoolName,
claimableAmount.AmountOf(k.vestingKeeper.Denom(ctx)), campaign.Id, free, campaign.LockupPeriod, campaign.VestingPeriod); err != nil {
return err
}
} else {
start := ctx.BlockTime().Add(campaign.LockupPeriod)
end := start.Add(campaign.VestingPeriod)
if _, _, err := k.vestingKeeper.SendToPeriodicContinuousVestingAccountFromModule(ctx, types.ModuleName, claimRecord.Address,
claimableAmount, free, start.Unix(), end.Unix()); err != nil {
return errors.Wrapf(c4eerrors.ErrSendCoins, "send to claiming address %s error: "+err.Error(), claimRecord.Address)
}
}
campaign.CampaignCurrentAmount = campaign.CampaignCurrentAmount.Sub(claimableAmount...)
k.SetCampaign(ctx, *campaign)
return nil
}
func (k Keeper) validateDestinationAddress(ctx sdk.Context, destAddress string) error {
destAccAddress, err := sdk.AccAddressFromBech32(destAddress)
if err != nil {
return errors.Wrapf(c4eerrors.ErrParsing, "destAddress parsing error: %s", destAddress)
}
if k.bankKeeper.BlockedAddr(destAccAddress) {
return errors.Wrapf(c4eerrors.ErrAccountNotAllowedToReceiveFunds, "new vesting account - account address: %s", destAddress)
}
account := k.accountKeeper.GetAccount(ctx, destAccAddress)
if account == nil {
return nil
}
_, baseAccountOk := account.(*authtypes.BaseAccount)
_, periodicContinuousVestingAccountOk := account.(*cfevestingtypes.PeriodicContinuousVestingAccount)
if !baseAccountOk && !periodicContinuousVestingAccountOk {
return errors.Wrapf(c4eerrors.ErrInvalidAccountType, "account already exists and is not of PeriodicContinuousVestingAccount nor BaseAccount type, got: %T", account)
}
return nil
}
func (k Keeper) calculateInitialClaimClaimableAmount(ctx sdk.Context, campaign *types.Campaign, claimRecord *types.ClaimRecord) (sdk.Coins, sdk.Dec) {
_, weightSum := k.AllMissionForCampaign(ctx, campaign.Id)
claimableAmount := claimRecord.CalculateInitialClaimClaimableAmount(weightSum)
free := calculateInitialClaimFree(claimableAmount, campaign)
return claimableAmount, free
}
func calculateInitialClaimFree(claimableAmount sdk.Coins, campaign *types.Campaign) sdk.Dec {
minFreeAmount := campaign.Free
for _, claimableAmountCoin := range claimableAmount {
free := sdk.NewDecFromInt(campaign.InitialClaimFreeAmount).Quo(sdk.NewDecFromInt(claimableAmountCoin.Amount))
if minFreeAmount.LT(free) {
minFreeAmount = free
}
}
maxMinFreeAmount := sdk.NewDec(1)
if minFreeAmount.GT(sdk.NewDec(1)) {
minFreeAmount = maxMinFreeAmount
}
return minFreeAmount
}