cosmos-sdk/x/slashing/params.go
Joon bdccbeff9e Merge PR #1265: Global Paramstore
in progress
in progress
stake and slashing now params
fix gaia
fix gaia again
add msg type deactivation
delete local error
in progress
revert actual application in baseapp/gaia/stake
add test, fix apps
fix MinSignedPerWindow, pass lint
fix gaia
fix keeper_test
fit with multiple msgs
fix
apply requests
pass lint
really the last fix
fix dependency
fix keeper_test
fix lint
2018-07-14 02:12:23 +02:00

79 lines
2.8 KiB
Go

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