package keeper import ( errorsmod "cosmossdk.io/errors" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/0glabs/0g-chain/x/pricefeed/types" ) // 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) } // GetMarkets returns the markets from params func (k Keeper) GetMarkets(ctx sdk.Context) types.Markets { return k.GetParams(ctx).Markets } // GetOracles returns the oracles in the pricefeed store func (k Keeper) GetOracles(ctx sdk.Context, marketID string) ([]sdk.AccAddress, error) { for _, m := range k.GetMarkets(ctx) { if marketID == m.MarketID { return m.Oracles, nil } } return nil, errorsmod.Wrap(types.ErrInvalidMarket, marketID) } // GetOracle returns the oracle from the store or an error if not found func (k Keeper) GetOracle(ctx sdk.Context, marketID string, address sdk.AccAddress) (sdk.AccAddress, error) { oracles, err := k.GetOracles(ctx, marketID) if err != nil { // Error already wrapped return nil, err } for _, addr := range oracles { if addr.Equals(address) { return addr, nil } } return nil, errorsmod.Wrap(types.ErrInvalidOracle, address.String()) } // GetMarket returns the market if it is in the pricefeed system func (k Keeper) GetMarket(ctx sdk.Context, marketID string) (types.Market, bool) { markets := k.GetMarkets(ctx) for i := range markets { if markets[i].MarketID == marketID { return markets[i], true } } return types.Market{}, false } // GetAuthorizedAddresses returns a list of addresses that have special authorization within this module, eg the oracles of all markets. func (k Keeper) GetAuthorizedAddresses(ctx sdk.Context) []sdk.AccAddress { var oracles []sdk.AccAddress uniqueOracles := map[string]bool{} for _, m := range k.GetMarkets(ctx) { for _, o := range m.Oracles { // de-dup list of oracles if _, found := uniqueOracles[o.String()]; !found { oracles = append(oracles, o) } uniqueOracles[o.String()] = true } } return oracles }