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				https://github.com/0glabs/0g-chain.git
				synced 2025-11-04 10:37:26 +00:00 
			
		
		
		
	* cli auction query flags * update bep3 filter method name * rest auction query flags * add constants for auction type, phase * fix test * revisions
		
			
				
	
	
		
			125 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package keeper
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import (
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	abci "github.com/tendermint/tendermint/abci/types"
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	"github.com/cosmos/cosmos-sdk/client"
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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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	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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	"github.com/kava-labs/kava/x/auction/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 error) {
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		switch path[0] {
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		case types.QueryGetAuction:
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			return queryAuction(ctx, req, keeper)
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		case types.QueryGetAuctions:
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			return queryAuctions(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, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown %s query endpoint", types.ModuleName)
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		}
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	}
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}
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func queryAuction(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, error) {
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	// Decode request
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	var requestParams types.QueryAuctionParams
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	err := types.ModuleCdc.UnmarshalJSON(req.Data, &requestParams)
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	if err != nil {
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		return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
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	}
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	// Lookup auction
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	auction, found := keeper.GetAuction(ctx, requestParams.AuctionID)
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	if !found {
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		return nil, sdkerrors.Wrapf(types.ErrAuctionNotFound, "%d", requestParams.AuctionID)
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	}
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	// Encode results
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	bz, err := codec.MarshalJSONIndent(keeper.cdc, auction)
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	if err != nil {
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		return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
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	}
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	return bz, nil
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}
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func queryAuctions(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, error) {
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	var params types.QueryAllAuctionParams
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	err := types.ModuleCdc.UnmarshalJSON(req.Data, ¶ms)
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	if err != nil {
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		return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
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	}
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	unfilteredAuctions := keeper.GetAllAuctions(ctx)
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	auctions := filterAuctions(ctx, unfilteredAuctions, params)
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	if auctions == nil {
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		auctions = types.Auctions{}
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	}
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	bz, err := codec.MarshalJSONIndent(keeper.cdc, auctions)
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	if err != nil {
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		return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
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	}
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	return bz, nil
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}
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// query params in the auction store
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func queryGetParams(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, error) {
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	// Get params
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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, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
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	}
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	return bz, nil
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}
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// filterAuctions retrieves auctions filtered by a given set of params.
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// If no filters are provided, all auctions will be returned in paginated form.
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func filterAuctions(ctx sdk.Context, auctions types.Auctions, params types.QueryAllAuctionParams) types.Auctions {
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	filteredAuctions := make(types.Auctions, 0, len(auctions))
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	for _, auc := range auctions {
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		matchType, matchDenom, matchPhase := true, true, true
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		// match auction type (if supplied)
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		if len(params.Type) > 0 {
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			matchType = auc.GetType() == params.Type
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		}
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		// match auction denom (if supplied)
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		if len(params.Denom) > 0 {
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			matchDenom = auc.GetBid().Denom == params.Denom || auc.GetLot().Denom == params.Denom
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		}
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		// match auction phase (if supplied)
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		if len(params.Phase) > 0 {
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			matchPhase = auc.GetPhase() == params.Phase
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		}
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		if matchType && matchDenom && matchPhase {
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			filteredAuctions = append(filteredAuctions, auc)
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		}
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	}
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	start, end := client.Paginate(len(filteredAuctions), params.Page, params.Limit, 100)
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	if start < 0 || end < 0 {
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		filteredAuctions = types.Auctions{}
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	} else {
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		filteredAuctions = filteredAuctions[start:end]
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	}
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	return filteredAuctions
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}
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