79 lines
2.8 KiB
Go
79 lines
2.8 KiB
Go
package slashing
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import (
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// nolint
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const (
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MaxEvidenceAgeKey = "slashing/MaxEvidenceAge"
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SignedBlocksWindowKey = "slashing/SignedBlocksWindow"
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MinSignedPerWindowKey = "slashing/MinSignedPerWindow"
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DoubleSignUnbondDurationKey = "slashing/DoubleSignUnbondDuration"
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DowntimeUnbondDurationKey = "slashing/DowntimeUnbondDuration"
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SlashFractionDoubleSignKey = "slashing/SlashFractionDoubleSign"
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SlashFractionDowntimeKey = "slashing/SlashFractionDowntime"
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)
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// MaxEvidenceAge - Max age for evidence - 21 days (3 weeks)
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// MaxEvidenceAge = 60 * 60 * 24 * 7 * 3
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func (k Keeper) MaxEvidenceAge(ctx sdk.Context) int64 {
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return k.params.GetInt64WithDefault(ctx, MaxEvidenceAgeKey, defaultMaxEvidenceAge)
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}
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// SignedBlocksWindow - sliding window for downtime slashing
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func (k Keeper) SignedBlocksWindow(ctx sdk.Context) int64 {
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return k.params.GetInt64WithDefault(ctx, SignedBlocksWindowKey, defaultSignedBlocksWindow)
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}
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// Downtime slashing thershold - default 50%
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func (k Keeper) MinSignedPerWindow(ctx sdk.Context) int64 {
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minSignedPerWindow := k.params.GetRatWithDefault(ctx, MinSignedPerWindowKey, defaultMinSignedPerWindow)
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signedBlocksWindow := k.SignedBlocksWindow(ctx)
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return sdk.NewRat(signedBlocksWindow).Mul(minSignedPerWindow).RoundInt64()
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}
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// Double-sign unbond duration
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func (k Keeper) DoubleSignUnbondDuration(ctx sdk.Context) int64 {
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return k.params.GetInt64WithDefault(ctx, DoubleSignUnbondDurationKey, defaultDoubleSignUnbondDuration)
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}
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// Downtime unbond duration
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func (k Keeper) DowntimeUnbondDuration(ctx sdk.Context) int64 {
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return k.params.GetInt64WithDefault(ctx, DowntimeUnbondDurationKey, defaultDowntimeUnbondDuration)
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}
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// SlashFractionDoubleSign - currently default 5%
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func (k Keeper) SlashFractionDoubleSign(ctx sdk.Context) sdk.Rat {
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return k.params.GetRatWithDefault(ctx, SlashFractionDoubleSignKey, defaultSlashFractionDoubleSign)
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}
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// SlashFractionDowntime - currently default 1%
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func (k Keeper) SlashFractionDowntime(ctx sdk.Context) sdk.Rat {
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return k.params.GetRatWithDefault(ctx, SlashFractionDowntimeKey, defaultSlashFractionDowntime)
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}
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// declared as var because of keeper_test.go
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// TODO: make it const or parameter of NewKeeper
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var (
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// defaultMaxEvidenceAge = 60 * 60 * 24 * 7 * 3
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// TODO Temporarily set to 2 minutes for testnets.
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defaultMaxEvidenceAge int64 = 60 * 2
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// TODO Temporarily set to five minutes for testnets
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defaultDoubleSignUnbondDuration int64 = 60 * 5
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// TODO Temporarily set to 100 blocks for testnets
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defaultSignedBlocksWindow int64 = 100
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// TODO Temporarily set to 10 minutes for testnets
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defaultDowntimeUnbondDuration int64 = 60 * 10
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defaultMinSignedPerWindow sdk.Rat = sdk.NewRat(1, 2)
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defaultSlashFractionDoubleSign = sdk.NewRat(1).Quo(sdk.NewRat(20))
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defaultSlashFractionDowntime = sdk.NewRat(1).Quo(sdk.NewRat(100))
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)
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