235 lines
7.2 KiB
Go
235 lines
7.2 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/cosmos/cosmos-sdk/x/gov/types"
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)
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// NewQuerier creates a new gov Querier instance
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func NewQuerier(keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
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return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, error) {
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switch path[0] {
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case types.QueryParams:
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return queryParams(ctx, path[1:], req, keeper, legacyQuerierCdc)
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case types.QueryProposals:
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return queryProposals(ctx, path[1:], req, keeper, legacyQuerierCdc)
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case types.QueryProposal:
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return queryProposal(ctx, path[1:], req, keeper, legacyQuerierCdc)
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case types.QueryDeposits:
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return queryDeposits(ctx, path[1:], req, keeper, legacyQuerierCdc)
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case types.QueryDeposit:
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return queryDeposit(ctx, path[1:], req, keeper, legacyQuerierCdc)
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case types.QueryVotes:
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return queryVotes(ctx, path[1:], req, keeper, legacyQuerierCdc)
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case types.QueryVote:
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return queryVote(ctx, path[1:], req, keeper, legacyQuerierCdc)
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case types.QueryTally:
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return queryTally(ctx, path[1:], req, keeper, legacyQuerierCdc)
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default:
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return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown query path: %s", path[0])
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}
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}
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}
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func queryParams(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
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switch path[0] {
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case types.ParamDeposit:
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bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, keeper.GetDepositParams(ctx))
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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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case types.ParamVoting:
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bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, keeper.GetVotingParams(ctx))
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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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case types.ParamTallying:
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bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, keeper.GetTallyParams(ctx))
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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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default:
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return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "%s is not a valid query request path", req.Path)
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}
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}
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// nolint: unparam
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func queryProposal(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
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var params types.QueryProposalParams
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err := legacyQuerierCdc.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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proposal, ok := keeper.GetProposal(ctx, params.ProposalID)
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if !ok {
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return nil, sdkerrors.Wrapf(types.ErrUnknownProposal, "%d", params.ProposalID)
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}
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bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, proposal)
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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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// nolint: unparam
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func queryDeposit(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
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var params types.QueryDepositParams
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err := legacyQuerierCdc.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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deposit, _ := keeper.GetDeposit(ctx, params.ProposalID, params.Depositor)
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bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, deposit)
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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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// nolint: unparam
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func queryVote(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
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var params types.QueryVoteParams
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err := legacyQuerierCdc.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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vote, _ := keeper.GetVote(ctx, params.ProposalID, params.Voter)
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bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, vote)
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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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// nolint: unparam
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func queryDeposits(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
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var params types.QueryProposalParams
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err := legacyQuerierCdc.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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deposits := keeper.GetDeposits(ctx, params.ProposalID)
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if deposits == nil {
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deposits = types.Deposits{}
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}
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bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, deposits)
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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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// nolint: unparam
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func queryTally(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
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var params types.QueryProposalParams
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err := legacyQuerierCdc.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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proposalID := params.ProposalID
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proposal, ok := keeper.GetProposal(ctx, proposalID)
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if !ok {
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return nil, sdkerrors.Wrapf(types.ErrUnknownProposal, "%d", proposalID)
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}
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var tallyResult types.TallyResult
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switch {
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case proposal.Status == types.StatusDepositPeriod:
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tallyResult = types.EmptyTallyResult()
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case proposal.Status == types.StatusPassed || proposal.Status == types.StatusRejected:
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tallyResult = proposal.FinalTallyResult
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default:
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// proposal is in voting period
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_, _, tallyResult = keeper.Tally(ctx, proposal)
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}
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bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, tallyResult)
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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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// nolint: unparam
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func queryVotes(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
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var params types.QueryProposalVotesParams
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err := legacyQuerierCdc.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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votes := keeper.GetVotes(ctx, params.ProposalID)
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if votes == nil {
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votes = types.Votes{}
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} else {
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start, end := client.Paginate(len(votes), params.Page, params.Limit, 100)
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if start < 0 || end < 0 {
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votes = types.Votes{}
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} else {
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votes = votes[start:end]
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}
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}
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bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, votes)
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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 queryProposals(ctx sdk.Context, _ []string, req abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
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var params types.QueryProposalsParams
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err := legacyQuerierCdc.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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proposals := keeper.GetProposalsFiltered(ctx, params)
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if proposals == nil {
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proposals = types.Proposals{}
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}
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bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, proposals)
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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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