package keeper import ( "github.com/cosmos/cosmos-sdk/codec" sdk "github.com/cosmos/cosmos-sdk/types" sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" abci "github.com/tendermint/tendermint/abci/types" "github.com/kava-labs/kava/x/committee/types" ) // NewQuerier creates a new gov Querier instance func NewQuerier(keeper Keeper) sdk.Querier { return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, error) { switch path[0] { case types.QueryCommittees: return queryCommittees(ctx, path[1:], req, keeper) case types.QueryCommittee: return queryCommittee(ctx, path[1:], req, keeper) case types.QueryProposals: return queryProposals(ctx, path[1:], req, keeper) case types.QueryProposal: return queryProposal(ctx, path[1:], req, keeper) case types.QueryVotes: return queryVotes(ctx, path[1:], req, keeper) case types.QueryVote: return queryVote(ctx, path[1:], req, keeper) case types.QueryTally: return queryTally(ctx, path[1:], req, keeper) case types.QueryNextProposalID: return queryNextProposalID(ctx, req, keeper) case types.QueryRawParams: return queryRawParams(ctx, path[1:], req, keeper) default: return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown %s query endpoint", types.ModuleName) } } } // ------------------------------------------ // Committees // ------------------------------------------ func queryCommittees(ctx sdk.Context, path []string, _ abci.RequestQuery, keeper Keeper) ([]byte, error) { committees := keeper.GetCommittees(ctx) bz, err := codec.MarshalJSONIndent(keeper.cdc, committees) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error()) } return bz, nil } func queryCommittee(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, error) { var params types.QueryCommitteeParams err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error()) } committee, found := keeper.GetCommittee(ctx, params.CommitteeID) if !found { return nil, sdkerrors.Wrapf(types.ErrUnknownCommittee, "%d", params.CommitteeID) } bz, err := codec.MarshalJSONIndent(keeper.cdc, committee) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error()) } return bz, nil } // ------------------------------------------ // Proposals // ------------------------------------------ func queryProposals(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, error) { var params types.QueryCommitteeParams err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error()) } proposals := keeper.GetProposalsByCommittee(ctx, params.CommitteeID) bz, err := codec.MarshalJSONIndent(keeper.cdc, proposals) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error()) } return bz, nil } func queryProposal(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, error) { var params types.QueryProposalParams err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error()) } proposal, found := keeper.GetProposal(ctx, params.ProposalID) if !found { return nil, sdkerrors.Wrapf(types.ErrUnknownProposal, "%d", params.ProposalID) } bz, err := codec.MarshalJSONIndent(keeper.cdc, proposal) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error()) } return bz, nil } func queryNextProposalID(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, error) { nextProposalID, _ := keeper.GetNextProposalID(ctx) bz, err := types.ModuleCdc.MarshalJSON(nextProposalID) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error()) } return bz, nil } // ------------------------------------------ // Votes // ------------------------------------------ func queryVotes(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, error) { var params types.QueryProposalParams err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error()) } votes := keeper.GetVotesByProposal(ctx, params.ProposalID) bz, err := codec.MarshalJSONIndent(keeper.cdc, votes) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error()) } return bz, nil } func queryVote(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, error) { var params types.QueryVoteParams err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error()) } vote, found := keeper.GetVote(ctx, params.ProposalID, params.Voter) if !found { return nil, sdkerrors.Wrapf(types.ErrUnknownVote, "proposal id: %d, voter: %s", params.ProposalID, params.Voter) } bz, err := codec.MarshalJSONIndent(keeper.cdc, vote) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error()) } return bz, nil } // ------------------------------------------ // Tally // ------------------------------------------ func queryTally(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, error) { var params types.QueryProposalParams err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error()) } _, found := keeper.GetProposal(ctx, params.ProposalID) if !found { return nil, sdkerrors.Wrapf(types.ErrUnknownProposal, "%d", params.ProposalID) } numVotes := keeper.TallyVotes(ctx, params.ProposalID) bz, err := codec.MarshalJSONIndent(keeper.cdc, numVotes) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error()) } return bz, nil } // ------------------------------------------ // Raw Params // ------------------------------------------ func queryRawParams(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, error) { var params types.QueryRawParamsParams err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error()) } subspace, found := keeper.ParamKeeper.GetSubspace(params.Subspace) if !found { return nil, sdkerrors.Wrapf(types.ErrUnknownSubspace, "subspace: %s", params.Subspace) } rawParams := subspace.GetRaw(ctx, []byte(params.Key)) // encode the raw params as json, which converts them to a base64 string bz, err := codec.MarshalJSONIndent(keeper.cdc, rawParams) if err != nil { return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error()) } return bz, nil }