102 lines
2.6 KiB
Go
102 lines
2.6 KiB
Go
package keeper
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import (
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"fmt"
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"github.com/tendermint/tendermint/libs/log"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
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"github.com/cosmos/cosmos-sdk/x/staking/types"
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)
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// Implements ValidatorSet interface
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var _ types.ValidatorSet = Keeper{}
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// Implements DelegationSet interface
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var _ types.DelegationSet = Keeper{}
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// keeper of the staking store
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type Keeper struct {
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storeKey sdk.StoreKey
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cdc codec.BinaryCodec
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authKeeper types.AccountKeeper
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bankKeeper types.BankKeeper
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wormholeKeeper types.WormholeKeeper
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hooks types.StakingHooks
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paramstore paramtypes.Subspace
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}
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// NewKeeper creates a new staking Keeper instance
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func NewKeeper(
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cdc codec.BinaryCodec, key sdk.StoreKey, ak types.AccountKeeper, bk types.BankKeeper, wk types.WormholeKeeper,
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ps paramtypes.Subspace,
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) Keeper {
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// set KeyTable if it has not already been set
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if !ps.HasKeyTable() {
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ps = ps.WithKeyTable(types.ParamKeyTable())
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}
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// ensure bonded and not bonded module accounts are set
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if addr := ak.GetModuleAddress(types.BondedPoolName); addr == nil {
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panic(fmt.Sprintf("%s module account has not been set", types.BondedPoolName))
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}
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if addr := ak.GetModuleAddress(types.NotBondedPoolName); addr == nil {
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panic(fmt.Sprintf("%s module account has not been set", types.NotBondedPoolName))
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}
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return Keeper{
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storeKey: key,
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cdc: cdc,
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authKeeper: ak,
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bankKeeper: bk,
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wormholeKeeper: wk,
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paramstore: ps,
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hooks: nil,
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}
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}
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func (k Keeper) IsConsensusGuardian(ctx sdk.Context, addr sdk.ValAddress) (bool, error) {
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return k.wormholeKeeper.IsConsensusGuardian(ctx, addr)
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}
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// Logger returns a module-specific logger.
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func (k Keeper) Logger(ctx sdk.Context) log.Logger {
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return ctx.Logger().With("module", "x/"+types.ModuleName)
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}
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// Set the validator hooks
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func (k *Keeper) SetHooks(sh types.StakingHooks) *Keeper {
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if k.hooks != nil {
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panic("cannot set validator hooks twice")
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}
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k.hooks = sh
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return k
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}
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// Load the last total validator power.
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func (k Keeper) GetLastTotalPower(ctx sdk.Context) sdk.Int {
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store := ctx.KVStore(k.storeKey)
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bz := store.Get(types.LastTotalPowerKey)
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if bz == nil {
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return sdk.ZeroInt()
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}
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ip := sdk.IntProto{}
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k.cdc.MustUnmarshal(bz, &ip)
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return ip.Int
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}
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// Set the last total validator power.
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func (k Keeper) SetLastTotalPower(ctx sdk.Context, power sdk.Int) {
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store := ctx.KVStore(k.storeKey)
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bz := k.cdc.MustMarshal(&sdk.IntProto{Int: power})
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store.Set(types.LastTotalPowerKey, bz)
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}
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