37 lines
991 B
Go
37 lines
991 B
Go
package keeper
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import (
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"context"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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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/params/types/proposal"
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)
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var _ proposal.QueryServer = Keeper{}
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// Params returns subspace params
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func (k Keeper) Params(c context.Context, req *proposal.QueryParamsRequest) (*proposal.QueryParamsResponse, error) {
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if req == nil {
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return nil, status.Errorf(codes.InvalidArgument, "empty request")
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}
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if req.Subspace == "" || req.Key == "" {
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return nil, status.Errorf(codes.InvalidArgument, "invalid request")
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}
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ss, ok := k.GetSubspace(req.Subspace)
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if !ok {
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return nil, sdkerrors.Wrap(proposal.ErrUnknownSubspace, req.Subspace)
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}
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ctx := sdk.UnwrapSDKContext(c)
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rawValue := ss.GetRaw(ctx, []byte(req.Key))
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param := proposal.NewParamChange(req.Subspace, req.Key, string(rawValue))
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return &proposal.QueryParamsResponse{Param: param}, nil
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}
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