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keeper.go
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keeper.go
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package keeper
import (
"github.com/InjectiveLabs/injective-oracle-scaffold/injective-chain/modules/oracle/types"
"github.com/InjectiveLabs/injective-oracle-scaffold/metrics"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
log "github.com/xlab/suplog"
)
// Keeper defines a module interface that facilitates the getting and setting of oracle reference data
type Keeper interface {
// read the stored
GetRef(ctx sdk.Context, symbol string) types.Ref
// can only be called by Relay function
SetRef(ctx sdk.Context, symbol string, refData types.Ref)
// derive a ReferenceData from base Ref and quote Ref
GetReferenceData(ctx sdk.Context, base string, quote string) *types.ReferenceData
GetReferenceDataBulk(ctx sdk.Context, bases []string, quotes []string) []*types.ReferenceData
GetParams(ctx sdk.Context) types.Params
// can only be set by a proposal
SetParams(ctx sdk.Context, params types.Params)
// check that the relayer has been authorized
IsRelayer(ctx sdk.Context, relayer sdk.AccAddress) bool
types.QueryServer
}
// BaseKeeper of this module maintains collections of oracle.
type BaseKeeper struct {
storeKey sdk.StoreKey
cdc codec.BinaryMarshaler
paramSpace paramtypes.Subspace
accountKeeper authkeeper.AccountKeeper
bankKeeper types.BankKeeper
logger log.Logger
svcTags metrics.Tags
}
// NewKeeper creates new instances of the oracle BaseKeeper
func NewKeeper(
cdc codec.BinaryMarshaler,
storeKey sdk.StoreKey,
paramSpace paramtypes.Subspace,
ak authkeeper.AccountKeeper,
bk types.BankKeeper,
) BaseKeeper {
// set KeyTable if it has not already been set
if !paramSpace.HasKeyTable() {
paramSpace = paramSpace.WithKeyTable(types.ParamKeyTable())
}
return BaseKeeper{
svcTags: metrics.Tags{
"svc": "oracle_k",
},
paramSpace: paramSpace,
storeKey: storeKey,
cdc: cdc,
accountKeeper: ak,
bankKeeper: bk,
logger: log.WithField("module", types.ModuleName),
}
}
func (k BaseKeeper) GetStore(ctx sdk.Context) sdk.KVStore {
return ctx.KVStore(k.storeKey)
}