130 lines
4.6 KiB
Go
130 lines
4.6 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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// get the delegator distribution info
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func (k Keeper) GetDelegatorDistInfo(ctx sdk.Context, delAddr sdk.AccAddress,
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valOperatorAddr sdk.ValAddress) (ddi types.DelegatorDistInfo) {
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store := ctx.KVStore(k.storeKey)
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b := store.Get(GetDelegationDistInfoKey(delAddr, valOperatorAddr))
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if b == nil {
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panic("Stored delegation-distribution info should not have been nil")
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}
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k.cdc.MustUnmarshalBinary(b, &ddi)
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return
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}
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// set the delegator distribution info
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func (k Keeper) SetDelegatorDistInfo(ctx sdk.Context, ddi types.DelegatorDistInfo) {
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store := ctx.KVStore(k.storeKey)
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b := k.cdc.MustMarshalBinary(ddi)
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store.Set(GetDelegationDistInfoKey(ddi.DelegatorAddr, ddi.ValOperatorAddr), b)
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}
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// remove a delegator distribution info
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func (k Keeper) RemoveDelegatorDistInfo(ctx sdk.Context, delAddr sdk.AccAddress,
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valOperatorAddr sdk.ValAddress) {
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store := ctx.KVStore(k.storeKey)
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store.Delete(GetDelegationDistInfoKey(delAddr, valOperatorAddr))
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}
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//___________________________________________________________________________________________
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// get the delegator withdraw address, return the delegator address if not set
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func (k Keeper) GetDelegatorWithdrawAddr(ctx sdk.Context, delAddr sdk.AccAddress) sdk.AccAddress {
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store := ctx.KVStore(k.storeKey)
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b := store.Get(GetDelegatorWithdrawAddrKey(delAddr))
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if b == nil {
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return delAddr
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}
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return sdk.AccAddress(b)
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}
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// set the delegator withdraw address
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func (k Keeper) SetDelegatorWithdrawAddr(ctx sdk.Context, delAddr, withdrawAddr sdk.AccAddress) {
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store := ctx.KVStore(k.storeKey)
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store.Set(GetDelegatorWithdrawAddrKey(delAddr), withdrawAddr.Bytes())
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}
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// remove a delegator withdraw info
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func (k Keeper) RemoveDelegatorWithdrawAddr(ctx sdk.Context, delAddr, withdrawAddr sdk.AccAddress) {
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store := ctx.KVStore(k.storeKey)
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store.Delete(GetDelegatorWithdrawAddrKey(delAddr))
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}
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//___________________________________________________________________________________________
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// withdraw all the rewards for a single delegation
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func (k Keeper) WithdrawDelegationReward(ctx sdk.Context, delegatorAddr sdk.AccAddress,
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validatorAddr sdk.ValAddress) {
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height := ctx.BlockHeight()
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bondedTokens := k.stakeKeeper.TotalPower(ctx)
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feePool := k.GetFeePool(ctx)
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delInfo := k.GetDelegatorDistInfo(ctx, delegatorAddr, validatorAddr)
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valInfo := k.GetValidatorDistInfo(ctx, validatorAddr)
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validator := k.stakeKeeper.Validator(ctx, validatorAddr)
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delegation := k.stakeKeeper.Delegation(ctx, delegatorAddr, validatorAddr)
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delInfo, valInfo, feePool, withdraw := delInfo.WithdrawRewards(feePool, valInfo, height, bondedTokens,
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validator.GetTokens(), validator.GetDelegatorShares(), delegation.GetShares(), validator.GetCommission())
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k.SetFeePool(ctx, feePool)
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k.SetValidatorDistInfo(ctx, valInfo)
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withdrawAddr := k.GetDelegatorWithdrawAddr(ctx, delegatorAddr)
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_, _, err := k.bankKeeper.AddCoins(ctx, withdrawAddr, withdraw.TruncateDecimal())
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if err != nil {
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panic(err)
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}
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}
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//___________________________________________________________________________________________
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// return all rewards for all delegations of a delegator
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func (k Keeper) WithdrawDelegationRewardsAll(ctx sdk.Context, delegatorAddr sdk.AccAddress) {
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height := ctx.BlockHeight()
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withdraw := k.GetDelegatorRewardsAll(ctx, delegatorAddr, height)
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withdrawAddr := k.GetDelegatorWithdrawAddr(ctx, delegatorAddr)
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_, _, err := k.bankKeeper.AddCoins(ctx, withdrawAddr, withdraw.TruncateDecimal())
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if err != nil {
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panic(err)
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}
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}
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// return all rewards for all delegations of a delegator
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func (k Keeper) GetDelegatorRewardsAll(ctx sdk.Context, delAddr sdk.AccAddress, height int64) types.DecCoins {
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withdraw := types.DecCoins{}
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bondedTokens := k.stakeKeeper.TotalPower(ctx)
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feePool := k.GetFeePool(ctx)
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// iterate over all the delegations
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operationAtDelegation := func(_ int64, del sdk.Delegation) (stop bool) {
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valAddr := del.GetValidator()
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delInfo := k.GetDelegatorDistInfo(ctx, delAddr, valAddr)
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valInfo := k.GetValidatorDistInfo(ctx, valAddr)
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validator := k.stakeKeeper.Validator(ctx, valAddr)
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delegation := k.stakeKeeper.Delegation(ctx, delAddr, valAddr)
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delInfo, valInfo, feePool, diWithdraw := delInfo.WithdrawRewards(feePool, valInfo, height, bondedTokens,
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validator.GetTokens(), validator.GetDelegatorShares(), delegation.GetShares(), validator.GetCommission())
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withdraw = withdraw.Plus(diWithdraw)
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k.SetFeePool(ctx, feePool)
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k.SetValidatorDistInfo(ctx, valInfo)
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k.SetDelegatorDistInfo(ctx, delInfo)
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return false
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}
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k.stakeKeeper.IterateDelegations(ctx, delAddr, operationAtDelegation)
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k.SetFeePool(ctx, feePool)
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return withdraw
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}
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