adding query to list all pool infos (#1265)

Author: avkr003

api/elys/masterchef/query.pulsar.go

@@ -30,6 +30,11 @@ service Query {
   rpc PoolInfo(QueryPoolInfoRequest) returns (QueryPoolInfoResponse) {
     option (google.api.http).get = "/elys-network/elys/masterchef/pool_info";
   }
+  rpc ListPoolInfos(QueryListPoolInfosRequest)
+      returns (QueryListPoolInfosResponse) {
+    option (google.api.http).get =
+        "/elys-network/elys/masterchef/list_pool_infos";
+  }
   rpc PoolRewardInfo(QueryPoolRewardInfoRequest)
       returns (QueryPoolRewardInfoResponse) {
     option (google.api.http).get =
@@ -176,6 +181,15 @@ message QueryPoolInfoResponse {
   ];
 }
 
+message QueryListPoolInfosRequest {
+  cosmos.base.query.v1beta1.PageRequest pagination = 1;
+}
+
+message QueryListPoolInfosResponse {
+  repeated QueryPoolInfoResponse list = 1 [ (gogoproto.nullable) = false ];
+  cosmos.base.query.v1beta1.PageResponse pagination = 2;
+}
+
 message QueryPoolRewardInfoRequest {
   uint64 pool_id = 1;
   string reward_denom = 2;

api/elys/masterchef/query_grpc.pb.go

@@ -105,10 +105,11 @@ service Query {
     option (google.api.http).get = "/elys-network/elys/tier/get_all_prices";
   }
 
-   // Queries a list of Oracle prices from denoms.
+  // Queries a list of Oracle prices from denoms.
   rpc GetOraclePrices(QueryGetOraclePricesRequest)
-    returns (QueryGetOraclePricesResponse) {
-    option (google.api.http).get = "/elys-network/elys/tier/get_oracle_prices/{denoms}";
+      returns (QueryGetOraclePricesResponse) {
+    option (google.api.http).get =
+        "/elys-network/elys/tier/get_oracle_prices/{denoms}";
   }
 }
 // QueryParamsRequest is request type for the Query/Params RPC method.

proto/elys/masterchef/query.proto

@@ -33,6 +33,12 @@ func (am AppModule) AutoCLIOptions() *autocliv1.ModuleOptions {
 					Example:        "elysd q masterchef pool-info [id]",
 					PositionalArgs: []*autocliv1.PositionalArgDescriptor{{ProtoField: "pool_id"}},
 				},
+				{
+					RpcMethod: "ListPoolInfos",
+					Use:       "list-pool-infos",
+					Short:     "shows all pool infos",
+					Example:   "elysd q masterchef list-pool-infos",
+				},
 				{
 					RpcMethod:      "PoolRewardInfo",
 					Use:            "pool-reward-info [id] [reward-denom]",

proto/elys/tier/query.proto

@@ -2,6 +2,9 @@ package keeper
 
 import (
 	"context"
+	"cosmossdk.io/store/prefix"
+	"github.com/cosmos/cosmos-sdk/runtime"
+	"github.com/cosmos/cosmos-sdk/types/query"
 
 	sdkmath "cosmossdk.io/math"
 
@@ -48,6 +51,42 @@ func (k Keeper) PoolInfo(goCtx context.Context, req *types.QueryPoolInfoRequest)
 	return &types.QueryPoolInfoResponse{PoolInfo: poolInfo, StableApr: stable_apr.Dec()}, nil
 }
 
+func (k Keeper) ListPoolInfos(goCtx context.Context, req *types.QueryListPoolInfosRequest) (*types.QueryListPoolInfosResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	store := runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx))
+	poolStore := prefix.NewStore(store, types.PoolInfoKeyPrefix)
+
+	var list []types.QueryPoolInfoResponse
+
+	pageRes, err := query.Paginate(poolStore, req.Pagination, func(key []byte, value []byte) error {
+		var pool types.PoolInfo
+		if err := k.cdc.Unmarshal(value, &pool); err != nil {
+			return err
+		}
+
+		stable_apr := osmomath.ZeroBigDec()
+		if pool.PoolId >= stabletypes.UsdcPoolId {
+			borrowPool, found := k.stableKeeper.GetPool(ctx, pool.PoolId)
+			if found {
+				res, err := k.stableKeeper.BorrowRatio(ctx, &stabletypes.QueryBorrowRatioRequest{PoolId: pool.PoolId})
+				if err == nil {
+					stable_apr = borrowPool.GetBigDecInterestRate().MulDec(res.BorrowRatio)
+				}
+			}
+		}
+
+		list = append(list, types.QueryPoolInfoResponse{PoolInfo: pool, StableApr: stable_apr.Dec()})
+
+		return nil
+	})
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	return &types.QueryListPoolInfosResponse{List: list, Pagination: pageRes}, nil
+}
+
 func (k Keeper) PoolRewardInfo(goCtx context.Context, req *types.QueryPoolRewardInfoRequest) (*types.QueryPoolRewardInfoResponse, error) {
 	ctx := sdk.UnwrapSDKContext(goCtx)