58 lines
2.2 KiB
Go
58 lines
2.2 KiB
Go
package types
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import sdk "github.com/cosmos/cosmos-sdk/types"
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// distribution info for a particular validator
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type ValidatorDistInfo struct {
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OperatorAddr sdk.ValAddress `json:"operator_addr"`
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FeePoolWithdrawalHeight int64 `json:"global_withdrawal_height"` // last height this validator withdrew from the global pool
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Pool DecCoins `json:"pool"` // rewards owed to delegators, commission has already been charged (includes proposer reward)
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PoolCommission DecCoins `json:"pool_commission"` // commission collected by this validator (pending withdrawal)
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DelAccum TotalAccum `json:"del_accum"` // total proposer pool accumulation factor held by delegators
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}
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// update total delegator accumululation
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func (vi ValidatorDistInfo) UpdateTotalDelAccum(height int64, totalDelShares sdk.Dec) ValidatorDistInfo {
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vi.DelAccum = vi.DelAccum.Update(height, totalDelShares)
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return vi
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}
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// XXX TODO Update dec logic
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// move any available accumulated fees in the FeePool to the validator's pool
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func (vi ValidatorDistInfo) TakeFeePoolRewards(fp FeePool, height int64, totalBonded, vdTokens,
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commissionRate sdk.Dec) (ValidatorDistInfo, FeePool) {
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fp.UpdateTotalValAccum(height, totalBonded)
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// update the validators pool
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blocks := height - vi.FeePoolWithdrawalHeight
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vi.FeePoolWithdrawalHeight = height
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accum := sdk.NewDec(blocks).Mul(vdTokens)
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withdrawalTokens := fp.Pool.Mul(accum.Quo(fp.ValAccum.Accum))
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remainingTokens := fp.Pool.Mul(sdk.OneDec().Sub(accum.Quo(fp.ValAccum.Accum)))
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commission := withdrawalTokens.Mul(commissionRate)
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afterCommission := withdrawalTokens.Mul(sdk.OneDec().Sub(commissionRate))
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fp.ValAccum.Accum = fp.ValAccum.Accum.Sub(accum)
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fp.Pool = remainingTokens
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vi.PoolCommission = vi.PoolCommission.Plus(commission)
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vi.Pool = vi.Pool.Plus(afterCommission)
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return vi, fp
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}
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// withdraw commission rewards
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func (vi ValidatorDistInfo) WithdrawCommission(fp FeePool, height int64,
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totalBonded, vdTokens, commissionRate sdk.Dec) (vio ValidatorDistInfo, fpo FeePool, withdrawn DecCoins) {
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vi, fp = vi.TakeFeePoolRewards(fp, height, totalBonded, vdTokens, commissionRate)
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withdrawalTokens := vi.PoolCommission
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vi.PoolCommission = DecCoins{} // zero
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return vi, fp, withdrawalTokens
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}
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