93 lines
2.9 KiB
Go
93 lines
2.9 KiB
Go
package keeper
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import (
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/distribution/types"
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)
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// check whether a validator has distribution info
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func (k Keeper) HasValidatorDistInfo(ctx sdk.Context,
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operatorAddr sdk.ValAddress) (exists bool) {
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store := ctx.KVStore(k.storeKey)
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return store.Has(GetValidatorDistInfoKey(operatorAddr))
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}
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// get the validator distribution info
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func (k Keeper) GetValidatorDistInfo(ctx sdk.Context,
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operatorAddr sdk.ValAddress) (vdi types.ValidatorDistInfo) {
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store := ctx.KVStore(k.storeKey)
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b := store.Get(GetValidatorDistInfoKey(operatorAddr))
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if b == nil {
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panic("Stored validator-distribution info should not have been nil")
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}
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k.cdc.MustUnmarshalBinary(b, &vdi)
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return
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}
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// set the validator distribution info
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func (k Keeper) SetValidatorDistInfo(ctx sdk.Context, vdi types.ValidatorDistInfo) {
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store := ctx.KVStore(k.storeKey)
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b := k.cdc.MustMarshalBinary(vdi)
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store.Set(GetValidatorDistInfoKey(vdi.OperatorAddr), b)
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}
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// remove a validator distribution info
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func (k Keeper) RemoveValidatorDistInfo(ctx sdk.Context, valAddr sdk.ValAddress) {
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store := ctx.KVStore(k.storeKey)
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store.Delete(GetValidatorDistInfoKey(valAddr))
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}
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// withdrawal all the validator rewards including the commission
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func (k Keeper) WithdrawValidatorRewardsAll(ctx sdk.Context, operatorAddr sdk.ValAddress) sdk.Error {
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if !k.HasValidatorDistInfo(ctx, operatorAddr) {
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return types.ErrNoValidatorDistInfo(k.codespace)
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}
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// withdraw self-delegation
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height := ctx.BlockHeight()
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validator := k.stakeKeeper.Validator(ctx, operatorAddr)
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lastValPower := k.stakeKeeper.GetLastValidatorPower(ctx, operatorAddr)
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accAddr := sdk.AccAddress(operatorAddr.Bytes())
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withdraw := k.getDelegatorRewardsAll(ctx, accAddr, height)
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// withdrawal validator commission rewards
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lastTotalPower := k.stakeKeeper.GetLastTotalPower(ctx)
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valInfo := k.GetValidatorDistInfo(ctx, operatorAddr)
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feePool := k.GetFeePool(ctx)
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valInfo, feePool, commission := valInfo.WithdrawCommission(feePool, height, lastTotalPower,
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lastValPower, validator.GetCommission())
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withdraw = withdraw.Plus(commission)
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k.SetValidatorDistInfo(ctx, valInfo)
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withdrawAddr := k.GetDelegatorWithdrawAddr(ctx, accAddr)
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truncated, change := withdraw.TruncateDecimal()
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feePool.CommunityPool = feePool.CommunityPool.Plus(change)
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k.SetFeePool(ctx, feePool)
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_, _, err := k.bankKeeper.AddCoins(ctx, withdrawAddr, truncated)
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if err != nil {
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panic(err)
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}
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return nil
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}
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// iterate over all the validator distribution infos (inefficient, just used to check invariants)
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func (k Keeper) IterateValidatorDistInfos(ctx sdk.Context, fn func(index int64, distInfo types.ValidatorDistInfo) (stop bool)) {
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store := ctx.KVStore(k.storeKey)
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iter := sdk.KVStorePrefixIterator(store, ValidatorDistInfoKey)
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defer iter.Close()
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index := int64(0)
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for ; iter.Valid(); iter.Next() {
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var vdi types.ValidatorDistInfo
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k.cdc.MustUnmarshalBinary(iter.Value(), &vdi)
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if fn(index, vdi) {
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return
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}
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index++
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}
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}
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