feat(sequencer): query all proposers

proto/dymensionxyz/dymension/sequencer/query.proto

@@ -56,6 +56,12 @@ service Query {
     option (google.api.http).get =
         "/dymensionxyz/dymension/sequencer/next_proposer/{rollappId}";
   }
+
+  // Queries a list of proposers.
+  rpc Proposers(QueryProposersRequest) returns (QueryProposersResponse) {
+    option (google.api.http).get =
+        "/dymensionxyz/dymension/sequencer/proposer";
+  }
 }
 
 // QueryParamsRequest is request type for the Query/Params RPC method.
@@ -114,3 +120,14 @@ message QueryGetNextProposerByRollappResponse {
   // rotationInProgress is true if the proposer rotation is in progress.
   bool rotationInProgress = 2;
 }
+
+// Request type for the Proposers RPC method.
+message QueryProposersRequest {
+  cosmos.base.query.v1beta1.PageRequest pagination = 1;
+}
+
+// Response type for the Proposers RPC method.
+message QueryProposersResponse {
+  repeated Sequencer proposers = 1 [ (gogoproto.nullable) = false ];
+  cosmos.base.query.v1beta1.PageResponse pagination = 2;
+}

x/sequencer/client/cli/query.go

@@ -10,7 +10,7 @@ import (
 )
 
 // GetQueryCmd returns the cli query commands for this module
-func GetQueryCmd(queryRoute string) *cobra.Command {
+func GetQueryCmd() *cobra.Command {
 	// Group sequencer queries under a subcommand
 	cmd := &cobra.Command{
 		Use:                        types.ModuleName,
@@ -26,6 +26,7 @@ func GetQueryCmd(queryRoute string) *cobra.Command {
 	cmd.AddCommand(CmdShowSequencersByRollapp())
 	cmd.AddCommand(CmdGetProposerByRollapp())
 	cmd.AddCommand(CmdGetNextProposerByRollapp())
+	cmd.AddCommand(CmdGetAllProposers())
 
 	return cmd
 }

x/sequencer/client/cli/query_sequencers_by_rollapp.go

@@ -101,3 +101,29 @@ func CmdGetNextProposerByRollapp() *cobra.Command {
 	flags.AddQueryFlagsToCmd(cmd)
 	return cmd
 }
+
+func CmdGetAllProposers() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "list-proposer",
+		Short: "List all proposers",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			params := &types.QueryProposersRequest{}
+
+			clientCtx, err := client.GetClientQueryContext(cmd)
+			if err != nil {
+				return err
+			}
+			queryClient := types.NewQueryClient(clientCtx)
+
+			res, err := queryClient.Proposers(cmd.Context(), params)
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintProto(res)
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+	return cmd
+}

x/sequencer/keeper/grpc_query_sequencers_by_rollapp.go

@@ -4,9 +4,15 @@ import (
 	"context"
 	"errors"
 
+	errorsmod "cosmossdk.io/errors"
+	"github.com/cosmos/cosmos-sdk/store/prefix"
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	"github.com/dymensionxyz/dymension/v3/x/sequencer/types"
+	"github.com/cosmos/cosmos-sdk/types/query"
 	"github.com/dymensionxyz/gerr-cosmos/gerrc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	"github.com/dymensionxyz/dymension/v3/x/sequencer/types"
 )
 
 func (k Keeper) SequencersByRollapp(c context.Context, req *types.QueryGetSequencersByRollappRequest) (*types.QueryGetSequencersByRollappResponse, error) {
@@ -77,3 +83,29 @@ func (k Keeper) GetNextProposerByRollapp(c context.Context, req *types.QueryGetN
 		RotationInProgress: k.IsRotating(ctx, req.RollappId),
 	}, nil
 }
+
+func (k Keeper) Proposers(c context.Context, req *types.QueryProposersRequest) (*types.QueryProposersResponse, error) {
+	if req == nil {
+		return nil, status.Error(codes.InvalidArgument, "invalid request")
+	}
+
+	var proposers []types.Sequencer
+	ctx := sdk.UnwrapSDKContext(c)
+
+	store := ctx.KVStore(k.storeKey)
+	sequencerStore := prefix.NewStore(store, types.ProposerByRollappKey(""))
+
+	pageRes, err := query.Paginate(sequencerStore, req.Pagination, func(key []byte, value []byte) error {
+		proposer, ok := k.GetSequencer(ctx, string(value))
+		if !ok {
+			return errorsmod.Wrap(types.ErrNoProposer, string(value))
+		}
+		proposers = append(proposers, proposer)
+		return nil
+	})
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	return &types.QueryProposersResponse{Proposers: proposers, Pagination: pageRes}, nil
+}

x/sequencer/module.go

@@ -87,7 +87,7 @@ func (a AppModuleBasic) GetTxCmd() *cobra.Command {
 
 // GetQueryCmd returns the capability module's root query command.
 func (AppModuleBasic) GetQueryCmd() *cobra.Command {
-	return cli.GetQueryCmd(types.StoreKey)
+	return cli.GetQueryCmd()
 }
 
 // ----------------------------------------------------------------------------