0g-chain/x/pricefeed/keeper/params.go
Federico Kunze a573625df8
[R4R] bump SDK version to v0.38.3 (#421)
* bump SDK version to v0.38.3

Co-authored-by: Denali Marsh <denali@kava.io>
Co-authored-by: Kevin Davis <kjydavis3@gmail.com>
Co-authored-by: Kevin Davis <karzak@users.noreply.github.com>
Co-authored-by: denalimarsh <denalimarsh@gmail.com>
Co-authored-by: rhuairahrighairigh <ruaridh.odonnell@gmail.com>
2020-04-23 12:35:58 -04:00

63 lines
1.7 KiB
Go

package keeper
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/kava-labs/kava/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, &params)
}
// 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 []sdk.AccAddress{}, sdkerrors.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 {
return sdk.AccAddress{}, sdkerrors.Wrap(types.ErrInvalidMarket, marketID)
}
for _, addr := range oracles {
if address.Equals(addr) {
return addr, nil
}
}
return sdk.AccAddress{}, sdkerrors.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
}