208 lines
6.7 KiB
Go
208 lines
6.7 KiB
Go
package keeper
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import (
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"fmt"
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abci "github.com/tendermint/tendermint/abci/types"
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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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"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) sdk.Querier {
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return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, sdk.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)
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case types.QueryProposals:
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return queryProposals(ctx, path[1:], req, keeper)
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case types.QueryProposal:
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return queryProposal(ctx, path[1:], req, keeper)
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case types.QueryDeposits:
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return queryDeposits(ctx, path[1:], req, keeper)
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case types.QueryDeposit:
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return queryDeposit(ctx, path[1:], req, keeper)
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case types.QueryVotes:
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return queryVotes(ctx, path[1:], req, keeper)
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case types.QueryVote:
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return queryVote(ctx, path[1:], req, keeper)
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case types.QueryTally:
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return queryTally(ctx, path[1:], req, keeper)
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default:
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return nil, sdk.ErrUnknownRequest("unknown gov query endpoint")
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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) ([]byte, sdk.Error) {
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switch path[0] {
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case types.ParamDeposit:
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bz, err := codec.MarshalJSONIndent(keeper.cdc, keeper.GetDepositParams(ctx))
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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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case types.ParamVoting:
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bz, err := codec.MarshalJSONIndent(keeper.cdc, keeper.GetVotingParams(ctx))
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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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case types.ParamTallying:
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bz, err := codec.MarshalJSONIndent(keeper.cdc, keeper.GetTallyParams(ctx))
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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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default:
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return nil, sdk.ErrUnknownRequest(fmt.Sprintf("%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) ([]byte, sdk.Error) {
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var params types.QueryProposalParams
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err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms)
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if err != nil {
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return nil, sdk.ErrUnknownRequest(sdk.AppendMsgToErr("incorrectly formatted request data", 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, types.ErrUnknownProposal(types.DefaultCodespace, params.ProposalID)
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}
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bz, err := codec.MarshalJSONIndent(keeper.cdc, proposal)
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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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// nolint: unparam
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func queryDeposit(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
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var params types.QueryDepositParams
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err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms)
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if err != nil {
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return nil, sdk.ErrUnknownRequest(sdk.AppendMsgToErr("incorrectly formatted request data", 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(keeper.cdc, deposit)
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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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// nolint: unparam
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func queryVote(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
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var params types.QueryVoteParams
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err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms)
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if err != nil {
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return nil, sdk.ErrUnknownRequest(sdk.AppendMsgToErr("incorrectly formatted request data", 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(keeper.cdc, vote)
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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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// nolint: unparam
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func queryDeposits(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
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var params types.QueryProposalParams
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err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms)
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if err != nil {
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return nil, sdk.ErrUnknownRequest(sdk.AppendMsgToErr("incorrectly formatted request data", err.Error()))
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}
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deposits := keeper.GetDeposits(ctx, params.ProposalID)
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bz, err := codec.MarshalJSONIndent(keeper.cdc, deposits)
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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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// nolint: unparam
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func queryTally(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
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var params types.QueryProposalParams
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err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms)
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if err != nil {
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return nil, sdk.ErrUnknownRequest(sdk.AppendMsgToErr("incorrectly formatted request data", 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, types.ErrUnknownProposal(types.DefaultCodespace, 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(keeper.cdc, tallyResult)
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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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// nolint: unparam
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func queryVotes(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
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var params types.QueryProposalParams
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err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms)
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if err != nil {
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return nil, sdk.ErrUnknownRequest(sdk.AppendMsgToErr("incorrectly formatted request data", err.Error()))
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}
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votes := keeper.GetVotes(ctx, params.ProposalID)
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bz, err := codec.MarshalJSONIndent(keeper.cdc, votes)
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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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func queryProposals(ctx sdk.Context, _ []string, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
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var params types.QueryProposalsParams
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err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms)
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if err != nil {
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return nil, sdk.ErrUnknownRequest(sdk.AppendMsgToErr("failed to parse params", err.Error()))
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}
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bz, err := codec.MarshalJSONIndent(keeper.cdc, keeper.GetProposalsFiltered(ctx, params))
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if err != nil {
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return nil, sdk.ErrInternal(sdk.AppendMsgToErr("failed to JSON marshal result: %s", err.Error()))
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}
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return bz, nil
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}
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