63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package keeper
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import (
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"encoding/binary"
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"github.com/cosmos/cosmos-sdk/x/upgrade/types"
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abci "github.com/tendermint/tendermint/abci/types"
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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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)
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// NewQuerier creates a querier for upgrade cli and REST endpoints
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func NewQuerier(k Keeper) 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.QueryCurrent:
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return queryCurrent(ctx, req, k)
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case types.QueryApplied:
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return queryApplied(ctx, req, k)
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default:
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return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown %s query endpoint: %s", types.ModuleName, path[0])
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}
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}
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}
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func queryCurrent(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, error) {
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plan, has := k.GetUpgradePlan(ctx)
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if !has {
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return nil, nil
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}
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res, err := k.cdc.MarshalJSON(&plan)
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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 res, nil
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}
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func queryApplied(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, error) {
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var params types.QueryAppliedParams
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err := k.cdc.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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applied := k.GetDoneHeight(ctx, params.Name)
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if applied == 0 {
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return nil, nil
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}
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bz := make([]byte, 8)
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binary.BigEndian.PutUint64(bz, uint64(applied))
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return bz, nil
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}
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