59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
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package keeper
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import (
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"encoding/binary"
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/upgrade/internal/types"
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abci "github.com/tendermint/tendermint/abci/types"
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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) (res []byte, err sdk.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, sdk.ErrUnknownRequest("unknown supply query endpoint")
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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, sdk.Error) {
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plan, has := k.GetUpgradePlan(ctx)
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if !has {
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// empty data - client can respond Not Found
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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, sdk.ErrInternal(sdk.AppendMsgToErr("failed to JSON marshal result: %s", 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, sdk.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, sdk.ErrInternal(fmt.Sprintf("failed to parse params: %s", err))
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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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// empty data - client can respond Not Found
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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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