mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-12-26 08:15:19 +00:00
121 lines
3.5 KiB
Go
121 lines
3.5 KiB
Go
package keeper
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import (
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"fmt"
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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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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/kava-labs/kava/x/pricefeed/types"
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)
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// NewQuerier is the module level router for state queries
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func NewQuerier(keeper Keeper) sdk.Querier {
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return func(ctx sdk.Context, path []string, req abci.RequestQuery) (res []byte, err sdk.Error) {
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switch path[0] {
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case types.QueryPrice:
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return queryPrice(ctx, req, keeper)
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case types.QueryRawPrices:
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return queryRawPrices(ctx, req, keeper)
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case types.QueryOracles:
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return queryOracles(ctx, req, keeper)
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case types.QueryMarkets:
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return queryMarkets(ctx, req, keeper)
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case types.QueryGetParams:
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return queryGetParams(ctx, req, keeper)
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default:
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return nil, sdk.ErrUnknownRequest("unknown pricefeed query endpoint")
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}
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}
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}
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func queryPrice(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) (res []byte, sdkErr sdk.Error) {
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var requestParams types.QueryWithMarketIDParams
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err := keeper.cdc.UnmarshalJSON(req.Data, &requestParams)
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if err != nil {
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return nil, sdk.ErrInternal(fmt.Sprintf("failed to parse params: %s", err))
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}
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_, found := keeper.GetMarket(ctx, requestParams.MarketID)
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if !found {
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return []byte{}, sdk.ErrUnknownRequest("asset not found")
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}
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currentPrice, sdkErr := keeper.GetCurrentPrice(ctx, requestParams.MarketID)
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if sdkErr != nil {
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return nil, sdkErr
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}
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bz, err := codec.MarshalJSONIndent(keeper.cdc, currentPrice)
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if err != nil {
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panic("could not marshal result to JSON")
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}
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return bz, nil
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}
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func queryRawPrices(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) (res []byte, sdkErr sdk.Error) {
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var requestParams types.QueryWithMarketIDParams
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err2 := keeper.cdc.UnmarshalJSON(req.Data, &requestParams)
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if err2 != nil {
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return nil, sdk.ErrInternal(fmt.Sprintf("failed to parse params: %s", err2))
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}
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_, found := keeper.GetMarket(ctx, requestParams.MarketID)
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if !found {
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return []byte{}, sdk.ErrUnknownRequest("asset not found")
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}
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rawPrices, err := keeper.GetRawPrices(ctx, requestParams.MarketID)
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if err != nil {
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return nil, err
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}
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bz, err2 := codec.MarshalJSONIndent(keeper.cdc, rawPrices)
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if err2 != nil {
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panic("could not marshal result to JSON")
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}
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return bz, nil
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}
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func queryOracles(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) (res []byte, sdkErr sdk.Error) {
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var requestParams types.QueryWithMarketIDParams
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err := keeper.cdc.UnmarshalJSON(req.Data, &requestParams)
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if err != nil {
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return nil, sdk.ErrInternal(fmt.Sprintf("failed to parse params: %s", err))
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}
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oracles, err := keeper.GetOracles(ctx, requestParams.MarketID)
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if err != nil {
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return []byte{}, sdk.ErrUnknownRequest("market not found")
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}
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bz, err := codec.MarshalJSONIndent(keeper.cdc, oracles)
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if err != nil {
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panic("could not marshal result to JSON")
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}
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return bz, nil
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}
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func queryMarkets(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) (res []byte, sdkErr sdk.Error) {
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markets := keeper.GetMarkets(ctx)
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bz, err := codec.MarshalJSONIndent(keeper.cdc, markets)
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if err != nil {
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panic("could not marshal result to JSON")
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}
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return bz, nil
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}
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// query params in the pricefeed store
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func queryGetParams(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
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params := keeper.GetParams(ctx)
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// Encode results
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bz, err := codec.MarshalJSONIndent(keeper.cdc, params)
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if err != nil {
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return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
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}
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return bz, nil
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}
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