package keeper import ( "github.com/kava-labs/kava/x/swap/types" "github.com/cosmos/cosmos-sdk/codec" "github.com/cosmos/cosmos-sdk/store/prefix" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/cosmos/cosmos-sdk/x/params/subspace" ) // Keeper keeper for the swap module type Keeper struct { key sdk.StoreKey cdc *codec.Codec paramSubspace subspace.Subspace hooks types.SwapHooks accountKeeper types.AccountKeeper supplyKeeper types.SupplyKeeper } // NewKeeper creates a new keeper func NewKeeper( cdc *codec.Codec, key sdk.StoreKey, paramstore subspace.Subspace, accountKeeper types.AccountKeeper, supplyKeeper types.SupplyKeeper, ) Keeper { if !paramstore.HasKeyTable() { paramstore = paramstore.WithKeyTable(types.ParamKeyTable()) } return Keeper{ key: key, cdc: cdc, paramSubspace: paramstore, accountKeeper: accountKeeper, supplyKeeper: supplyKeeper, } } // SetHooks adds hooks to the keeper. func (k *Keeper) SetHooks(sh types.SwapHooks) *Keeper { if k.hooks != nil { panic("cannot set swap hooks twice") } k.hooks = sh return k } // GetParams returns the params from the store func (k Keeper) GetParams(ctx sdk.Context) types.Params { var p types.Params k.paramSubspace.GetParamSet(ctx, &p) return p } // SetParams sets params on the store func (k Keeper) SetParams(ctx sdk.Context, params types.Params) { k.paramSubspace.SetParamSet(ctx, ¶ms) } // GetPool retrieves a pool record from the store func (k Keeper) GetPool(ctx sdk.Context, poolID string) (types.PoolRecord, bool) { store := prefix.NewStore(ctx.KVStore(k.key), types.PoolKeyPrefix) bz := store.Get(types.PoolKey(poolID)) if bz == nil { return types.PoolRecord{}, false } var record types.PoolRecord k.cdc.MustUnmarshalBinaryLengthPrefixed(bz, &record) return record, true } // SetPool saves a pool record to the store func (k Keeper) SetPool(ctx sdk.Context, record types.PoolRecord) { store := prefix.NewStore(ctx.KVStore(k.key), types.PoolKeyPrefix) bz := k.cdc.MustMarshalBinaryLengthPrefixed(record) store.Set(types.PoolKey(record.PoolID), bz) } // DeletePool deletes a pool record from the store func (k Keeper) DeletePool(ctx sdk.Context, poolID string) { store := prefix.NewStore(ctx.KVStore(k.key), types.PoolKeyPrefix) store.Delete(types.PoolKey(poolID)) } // IteratePools iterates over all pool objects in the store and performs a callback function func (k Keeper) IteratePools(ctx sdk.Context, cb func(record types.PoolRecord) (stop bool)) { store := prefix.NewStore(ctx.KVStore(k.key), types.PoolKeyPrefix) iterator := sdk.KVStorePrefixIterator(store, []byte{}) defer iterator.Close() for ; iterator.Valid(); iterator.Next() { var record types.PoolRecord k.cdc.MustUnmarshalBinaryLengthPrefixed(iterator.Value(), &record) if cb(record) { break } } } // GetAllPools returns all pool records from the store func (k Keeper) GetAllPools(ctx sdk.Context) (records types.PoolRecords) { k.IteratePools(ctx, func(record types.PoolRecord) bool { records = append(records, record) return false }) return } // GetDepositorShares gets a share record from the store func (k Keeper) GetDepositorShares(ctx sdk.Context, depositor sdk.AccAddress, poolID string) (types.ShareRecord, bool) { store := prefix.NewStore(ctx.KVStore(k.key), types.DepositorPoolSharesPrefix) bz := store.Get(types.DepositorPoolSharesKey(depositor, poolID)) if bz == nil { return types.ShareRecord{}, false } var record types.ShareRecord k.cdc.MustUnmarshalBinaryLengthPrefixed(bz, &record) return record, true } // SetDepositorShares saves a share record to the store func (k Keeper) SetDepositorShares(ctx sdk.Context, record types.ShareRecord) { store := prefix.NewStore(ctx.KVStore(k.key), types.DepositorPoolSharesPrefix) bz := k.cdc.MustMarshalBinaryLengthPrefixed(record) store.Set(types.DepositorPoolSharesKey(record.Depositor, record.PoolID), bz) } // DeleteDepositorShares deletes a share record from the store func (k Keeper) DeleteDepositorShares(ctx sdk.Context, depositor sdk.AccAddress, poolID string) { store := prefix.NewStore(ctx.KVStore(k.key), types.DepositorPoolSharesPrefix) store.Delete(types.DepositorPoolSharesKey(depositor, poolID)) } // IterateDepositorShares iterates over all pool objects in the store and performs a callback function func (k Keeper) IterateDepositorShares(ctx sdk.Context, cb func(record types.ShareRecord) (stop bool)) { store := prefix.NewStore(ctx.KVStore(k.key), types.DepositorPoolSharesPrefix) iterator := sdk.KVStorePrefixIterator(store, []byte{}) defer iterator.Close() for ; iterator.Valid(); iterator.Next() { var record types.ShareRecord k.cdc.MustUnmarshalBinaryLengthPrefixed(iterator.Value(), &record) if cb(record) { break } } } // GetAllDepositorShares returns all depositor share records from the store func (k Keeper) GetAllDepositorShares(ctx sdk.Context) (records types.ShareRecords) { k.IterateDepositorShares(ctx, func(record types.ShareRecord) bool { records = append(records, record) return false }) return } // IterateDepositorSharesByOwner iterates over share records for a specific address and performs a callback function func (k Keeper) IterateDepositorSharesByOwner(ctx sdk.Context, owner sdk.AccAddress, cb func(record types.ShareRecord) (stop bool)) { store := prefix.NewStore(ctx.KVStore(k.key), types.DepositorPoolSharesPrefix) iterator := sdk.KVStorePrefixIterator(store, owner.Bytes()) defer iterator.Close() for ; iterator.Valid(); iterator.Next() { var record types.ShareRecord k.cdc.MustUnmarshalBinaryLengthPrefixed(iterator.Value(), &record) if cb(record) { break } } } // GetAllDepositorShares returns all depositor share records from the store for a specific address func (k Keeper) GetAllDepositorSharesByOwner(ctx sdk.Context, owner sdk.AccAddress) (records types.ShareRecords) { k.IterateDepositorSharesByOwner(ctx, owner, func(record types.ShareRecord) bool { records = append(records, record) return false }) return }