76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
package keeper
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import (
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"context"
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"time"
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sdkmath "cosmossdk.io/math"
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"github.com/cosmos/cosmos-sdk/x/slashing/types"
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)
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// SignedBlocksWindow - sliding window for downtime slashing
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func (k Keeper) SignedBlocksWindow(ctx context.Context) (int64, error) {
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params, err := k.GetParams(ctx)
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return params.SignedBlocksWindow, err
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}
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// MinSignedPerWindow - minimum blocks signed per window
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func (k Keeper) MinSignedPerWindow(ctx context.Context) (int64, error) {
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params, err := k.GetParams(ctx)
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if err != nil {
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return 0, err
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}
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signedBlocksWindow := params.SignedBlocksWindow
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minSignedPerWindow := params.MinSignedPerWindow
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// NOTE: RoundInt64 will never panic as minSignedPerWindow is
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// less than 1.
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return minSignedPerWindow.MulInt64(signedBlocksWindow).RoundInt64(), nil
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}
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// DowntimeJailDuration - Downtime unbond duration
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func (k Keeper) DowntimeJailDuration(ctx context.Context) (time.Duration, error) {
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params, err := k.GetParams(ctx)
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return params.DowntimeJailDuration, err
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}
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// SlashFractionDoubleSign - fraction of power slashed in case of double sign
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func (k Keeper) SlashFractionDoubleSign(ctx context.Context) (sdkmath.LegacyDec, error) {
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params, err := k.GetParams(ctx)
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return params.SlashFractionDoubleSign, err
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}
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// SlashFractionDowntime - fraction of power slashed for downtime
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func (k Keeper) SlashFractionDowntime(ctx context.Context) (sdkmath.LegacyDec, error) {
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params, err := k.GetParams(ctx)
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return params.SlashFractionDowntime, err
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}
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// GetParams returns the current x/slashing module parameters.
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func (k Keeper) GetParams(ctx context.Context) (params types.Params, err error) {
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store := k.storeService.OpenKVStore(ctx)
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bz, err := store.Get(types.ParamsKey)
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if err != nil {
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return params, err
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}
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if bz == nil {
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return params, nil
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}
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err = k.cdc.Unmarshal(bz, ¶ms)
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return params, err
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}
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// SetParams sets the x/slashing module parameters.
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// CONTRACT: This method performs no validation of the parameters.
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func (k Keeper) SetParams(ctx context.Context, params types.Params) error {
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store := k.storeService.OpenKVStore(ctx)
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bz, err := k.cdc.Marshal(¶ms)
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if err != nil {
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return err
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}
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return store.Set(types.ParamsKey, bz)
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}
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