0g-chain/x/pricefeed/keeper/params.go

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package keeper
import (
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/kava-labs/kava/x/pricefeed/types"
)
// GetParams returns the params from the store
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func (k Keeper) GetParams(ctx sdk.Context) types.Params {
var p types.Params
k.paramSubspace.GetParamSet(ctx, &p)
return p
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}
// SetParams sets params on the store
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func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
k.paramSubspace.SetParamSet(ctx, &params)
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}
// GetMarkets returns the markets from params
func (k Keeper) GetMarkets(ctx sdk.Context) types.Markets {
return k.GetParams(ctx).Markets
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}
// GetOracles returns the oracles in the pricefeed store
func (k Keeper) GetOracles(ctx sdk.Context, marketID string) ([]sdk.AccAddress, sdk.Error) {
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for _, m := range k.GetMarkets(ctx) {
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if marketID == m.MarketID {
return m.Oracles, nil
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}
}
return []sdk.AccAddress{}, types.ErrInvalidMarket(k.Codespace(), marketID)
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}
// 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, sdk.Error) {
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oracles, err := k.GetOracles(ctx, marketID)
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if err != nil {
return sdk.AccAddress{}, types.ErrInvalidMarket(k.Codespace(), marketID)
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}
for _, addr := range oracles {
if address.Equals(addr) {
return addr, nil
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}
}
return sdk.AccAddress{}, types.ErrInvalidOracle(k.codespace, address)
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}
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// 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)
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for i := range markets {
if markets[i].MarketID == marketID {
return markets[i], true
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}
}
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return types.Market{}, false
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}