mirror of
https://github.com/0glabs/0g-chain.git
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50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
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package keeper
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import (
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"time"
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/cosmos/cosmos-sdk/store/prefix"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/params/subspace"
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"github.com/kava-labs/kava/x/kavadist/types"
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)
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// Keeper keeper for the cdp module
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type Keeper struct {
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key sdk.StoreKey
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cdc *codec.Codec
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paramSubspace subspace.Subspace
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supplyKeeper types.SupplyKeeper
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codespace sdk.CodespaceType
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}
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// NewKeeper creates a new keeper
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func NewKeeper(cdc *codec.Codec, key sdk.StoreKey, paramstore subspace.Subspace, sk types.SupplyKeeper, codespace sdk.CodespaceType) Keeper {
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return Keeper{
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key: key,
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cdc: cdc,
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paramSubspace: paramstore.WithKeyTable(types.ParamKeyTable()),
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supplyKeeper: sk,
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codespace: codespace,
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}
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}
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// GetPreviousBlockTime get the blocktime for the previous block
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func (k Keeper) GetPreviousBlockTime(ctx sdk.Context) (blockTime time.Time, found bool) {
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store := prefix.NewStore(ctx.KVStore(k.key), types.PreviousBlockTimeKey)
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b := store.Get([]byte{})
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if b == nil {
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return time.Time{}, false
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}
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k.cdc.MustUnmarshalBinaryLengthPrefixed(b, &blockTime)
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return blockTime, true
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}
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// SetPreviousBlockTime set the time of the previous block
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func (k Keeper) SetPreviousBlockTime(ctx sdk.Context, blockTime time.Time) {
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store := prefix.NewStore(ctx.KVStore(k.key), types.PreviousBlockTimeKey)
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store.Set([]byte{}, k.cdc.MustMarshalBinaryLengthPrefixed(blockTime))
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}
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