Feat/oracle query proto wrap (#180)

* feat: add query proto wrap

* feat: add wasm bindings

* feat: support PriceAll for CW querier

* feat: remove total field

* feat: call of price all from custom querier

* fix: remove uneccessary code

app/app.go

@@ -754,6 +754,9 @@ func NewElysApp(
 	// The last arguments can contain custom message handlers, and custom query handlers,
 	// if we want to allow any custom callbacks
 	availableCapabilities := strings.Join(AllCapabilities(), ",")
+
+	wasmOpts = append(RegisterCustomPlugins(&app.OracleKeeper), wasmOpts...)
+
 	app.WasmKeeper = wasm.NewKeeper(
 		appCodec,
 		keys[wasm.StoreKey],

app/wasm.go

@@ -1,5 +1,18 @@
 package app
 
+import (
+	"encoding/json"
+
+	errorsmod "cosmossdk.io/errors"
+	"github.com/CosmWasm/wasmd/x/wasm"
+	wasmkeeper "github.com/CosmWasm/wasmd/x/wasm/keeper"
+	wasmvmtypes "github.com/CosmWasm/wasmvm/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	query "github.com/cosmos/cosmos-sdk/types/query"
+	oraclekeeper "github.com/elys-network/elys/x/oracle/keeper"
+	oracletypes "github.com/elys-network/elys/x/oracle/types"
+)
+
 // AllCapabilities returns all capabilities available with the current wasmvm
 // See https://github.com/CosmWasm/cosmwasm/blob/main/docs/CAPABILITIES-BUILT-IN.md
 // This functionality is going to be moved upstream: https://github.com/CosmWasm/wasmvm/issues/425
@@ -12,3 +25,86 @@ func AllCapabilities() []string {
 		"cosmwasm_1_2",
 	}
 }
+
+type QueryPlugin struct {
+	oracleKeeper *oraclekeeper.Keeper
+}
+
+// NewQueryPlugin returns a reference to a new QueryPlugin.
+func NewQueryPlugin(
+	oracle *oraclekeeper.Keeper,
+) *QueryPlugin {
+	return &QueryPlugin{
+		oracleKeeper: oracle,
+	}
+}
+
+func RegisterCustomPlugins(
+	oracle *oraclekeeper.Keeper,
+) []wasmkeeper.Option {
+	wasmQueryPlugin := NewQueryPlugin(oracle)
+
+	queryPluginOpt := wasmkeeper.WithQueryPlugins(&wasmkeeper.QueryPlugins{
+		Custom: CustomQuerier(wasmQueryPlugin),
+	})
+
+	return []wasm.Option{
+		queryPluginOpt,
+	}
+}
+
+// CustomQuerier dispatches custom CosmWasm bindings queries.
+func CustomQuerier(qp *QueryPlugin) func(ctx sdk.Context, request json.RawMessage) ([]byte, error) {
+	return func(ctx sdk.Context, request json.RawMessage) ([]byte, error) {
+		var contractQuery ElysQuery
+		if err := json.Unmarshal(request, &contractQuery); err != nil {
+			return nil, errorsmod.Wrap(err, "elys query")
+		}
+
+		switch {
+		case contractQuery.PriceAll != nil:
+			pagination := contractQuery.PriceAll.Pagination
+
+			// Calling the PriceAll function and handling its response
+			priceResponse, err := qp.oracleKeeper.PriceAll(ctx, &oracletypes.QueryAllPriceRequest{Pagination: pagination})
+			if err != nil {
+				return nil, errorsmod.Wrap(err, "failed to get all prices")
+			}
+
+			// copy array priceResponse.Price
+			price := make([]oracletypes.Price, len(priceResponse.Price))
+			copy(price, priceResponse.Price)
+
+			res := AllPriceResponse{
+				Price: price,
+				Pagination: &query.PageResponse{
+					NextKey: priceResponse.Pagination.NextKey,
+				},
+			}
+
+			// Serializing the response to a JSON byte array
+			responseBytes, err := json.Marshal(res)
+			if err != nil {
+				return nil, errorsmod.Wrap(err, "failed to serialize price response")
+			}
+
+			return responseBytes, nil
+
+		default:
+			return nil, wasmvmtypes.UnsupportedRequest{Kind: "unknown elys query variant"}
+		}
+	}
+}
+
+type ElysQuery struct {
+	PriceAll *PriceAll `json:"price_all,omitempty"`
+}
+
+type PriceAll struct {
+	Pagination *query.PageRequest `protobuf:"bytes,1,opt,name=pagination,proto3" json:"pagination,omitempty"`
+}
+
+type AllPriceResponse struct {
+	Price      []oracletypes.Price `protobuf:"bytes,1,rep,name=price,proto3" json:"price"`
+	Pagination *query.PageResponse `protobuf:"bytes,2,opt,name=pagination,proto3" json:"pagination,omitempty"`
+}

go.mod

@@ -8,6 +8,7 @@ require (
 	cosmossdk.io/math v1.0.1
 	cosmossdk.io/simapp v0.0.0-20230323161446-0af178d721ff
 	github.com/CosmWasm/wasmd v0.41.0
+	github.com/CosmWasm/wasmvm v1.3.0
 	github.com/bandprotocol/bandchain-packet v0.0.2
 	github.com/cometbft/cometbft v0.37.2
 	github.com/cometbft/cometbft-db v0.8.0
@@ -33,7 +34,6 @@ require (
 	cosmossdk.io/depinject v1.0.0-alpha.3 // indirect
 	cosmossdk.io/log v1.1.1-0.20230704160919-88f2c830b0ca // indirect
 	cosmossdk.io/tools/rosetta v0.2.1 // indirect
-	github.com/CosmWasm/wasmvm v1.3.0 // indirect
 	github.com/cosmos/gogogateway v1.2.0 // indirect
 	github.com/cosmos/ics23/go v0.10.0 // indirect
 	github.com/cosmos/rosetta-sdk-go v0.10.0 // indirect