89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
package mint
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import (
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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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"github.com/cosmos/cosmos-sdk/x/params"
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)
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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.Codec
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paramSpace params.Subspace
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sk StakingKeeper
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fck FeeCollectionKeeper
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}
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func NewKeeper(cdc *codec.Codec, key sdk.StoreKey,
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paramSpace params.Subspace, sk StakingKeeper, fck FeeCollectionKeeper) Keeper {
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keeper := Keeper{
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storeKey: key,
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cdc: cdc,
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paramSpace: paramSpace.WithKeyTable(ParamKeyTable()),
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sk: sk,
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fck: fck,
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}
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return keeper
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}
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//____________________________________________________________________
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// Keys
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var (
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minterKey = []byte{0x00} // the one key to use for the keeper store
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// params store for inflation params
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ParamStoreKeyParams = []byte("params")
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)
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// ParamTable for staking module
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func ParamKeyTable() params.KeyTable {
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return params.NewKeyTable(
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ParamStoreKeyParams, Params{},
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)
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}
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const (
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// default paramspace for params keeper
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DefaultParamspace = "mint"
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// StoreKey is the default store key for mint
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StoreKey = "mint"
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)
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//______________________________________________________________________
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// get the minter
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func (k Keeper) GetMinter(ctx sdk.Context) (minter Minter) {
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store := ctx.KVStore(k.storeKey)
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b := store.Get(minterKey)
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if b == nil {
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panic("Stored fee pool should not have been nil")
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}
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k.cdc.MustUnmarshalBinaryLengthPrefixed(b, &minter)
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return
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}
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// set the minter
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func (k Keeper) SetMinter(ctx sdk.Context, minter Minter) {
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store := ctx.KVStore(k.storeKey)
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b := k.cdc.MustMarshalBinaryLengthPrefixed(minter)
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store.Set(minterKey, b)
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}
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//______________________________________________________________________
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// get inflation params from the global param store
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func (k Keeper) GetParams(ctx sdk.Context) Params {
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var params Params
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k.paramSpace.Get(ctx, ParamStoreKeyParams, ¶ms)
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return params
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}
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// set inflation params from the global param store
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func (k Keeper) SetParams(ctx sdk.Context, params Params) {
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k.paramSpace.Set(ctx, ParamStoreKeyParams, ¶ms)
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}
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