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Add ADR 031 BaseApp and codec infrastructure (cosmos#7519)
* Refactor RegisterQueryServices -> RegisterServices * Cleaner proto files * Fix tests * Add MsgServer * Fix lint * Remove MsgServer from configurator for now * Remove useless file * Fix build * typo * Add router * Fix test * WIP * Add router * Remove test helper * Add beginning of test * Move test to simapp? * ServiceMsg implement sdk.Msg * Add handler by MsgServiceRouter * Correct signature * Add full test * use TxEncoder * Update baseapp/msg_service_router.go Co-authored-by: Aaron Craelius <[email protected]> * Push changes * WIP on ServiceMsg unpacking * Make TestMsgService test pass * Fix tests * Tidying up * Tidying up * Tidying up * Add JSON test * Add comments * Tidying * Lint * Register MsgRequest interface * Rename * Fix tests * RegisterCustomTypeURL * Add changelog entries * Put in features * Update baseapp/msg_service_router.go Co-authored-by: Aleksandr Bezobchuk <[email protected]> * Update baseapp/msg_service_router.go Co-authored-by: Aleksandr Bezobchuk <[email protected]> * Update baseapp/msg_service_router.go Co-authored-by: Aleksandr Bezobchuk <[email protected]> * Update baseapp/msg_service_router.go Co-authored-by: Aleksandr Bezobchuk <[email protected]> * Update baseapp/msg_service_router.go Co-authored-by: Aleksandr Bezobchuk <[email protected]> * Update baseapp/msg_service_router.go Co-authored-by: Aleksandr Bezobchuk <[email protected]> * Update baseapp/msg_service_router.go Co-authored-by: Aleksandr Bezobchuk <[email protected]> * Address review comments * Address nit * Fix lint * Update codec/types/interface_registry.go Co-authored-by: Marie Gauthier <[email protected]> * godoc Co-authored-by: Aaron Craelius <[email protected]> Co-authored-by: Aaron Craelius <[email protected]> Co-authored-by: Aleksandr Bezobchuk <[email protected]> Co-authored-by: Marie Gauthier <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package baseapp | ||
|
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||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
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| "github.com/gogo/protobuf/proto" | ||
|
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| gogogrpc "github.com/gogo/protobuf/grpc" | ||
| "google.golang.org/grpc" | ||
|
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| codectypes "github.com/cosmos/cosmos-sdk/codec/types" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| ) | ||
|
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| // MsgServiceRouter routes fully-qualified Msg service methods to their handler. | ||
| type MsgServiceRouter struct { | ||
| interfaceRegistry codectypes.InterfaceRegistry | ||
| routes map[string]MsgServiceHandler | ||
| } | ||
|
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| var _ gogogrpc.Server = &MsgServiceRouter{} | ||
|
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| // NewMsgServiceRouter creates a new MsgServiceRouter. | ||
| func NewMsgServiceRouter() *MsgServiceRouter { | ||
| return &MsgServiceRouter{ | ||
| routes: map[string]MsgServiceHandler{}, | ||
| } | ||
| } | ||
|
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| // MsgServiceHandler defines a function type which handles Msg service message. | ||
| type MsgServiceHandler = func(ctx sdk.Context, req sdk.MsgRequest) (*sdk.Result, error) | ||
|
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| // Handler returns the MsgServiceHandler for a given query route path or nil | ||
| // if not found. | ||
| func (msr *MsgServiceRouter) Handler(methodName string) MsgServiceHandler { | ||
| return msr.routes[methodName] | ||
| } | ||
|
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| // RegisterService implements the gRPC Server.RegisterService method. sd is a gRPC | ||
| // service description, handler is an object which implements that gRPC service. | ||
| func (msr *MsgServiceRouter) RegisterService(sd *grpc.ServiceDesc, handler interface{}) { | ||
| // Adds a top-level query handler based on the gRPC service name. | ||
| for _, method := range sd.Methods { | ||
| fqMethod := fmt.Sprintf("/%s/%s", sd.ServiceName, method.MethodName) | ||
| methodHandler := method.Handler | ||
|
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| // NOTE: This is how we pull the concrete request type for each handler for registering in the InterfaceRegistry. | ||
| // This approach is maybe a bit hacky, but less hacky than reflecting on the handler object itself. | ||
| // We use a no-op interceptor to avoid actually calling into the handler itself. | ||
| _, _ = methodHandler(nil, context.Background(), func(i interface{}) error { | ||
| msg, ok := i.(proto.Message) | ||
| if !ok { | ||
| // We panic here because there is no other alternative and the app cannot be initialized correctly | ||
| // this should only happen if there is a problem with code generation in which case the app won't | ||
| // work correctly anyway. | ||
| panic(fmt.Errorf("can't register request type %T for service method %s", i, fqMethod)) | ||
| } | ||
|
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| msr.interfaceRegistry.RegisterCustomTypeURL((*sdk.MsgRequest)(nil), fqMethod, msg) | ||
| return nil | ||
| }, func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) { | ||
| return nil, nil | ||
| }) | ||
|
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| msr.routes[fqMethod] = func(ctx sdk.Context, req sdk.MsgRequest) (*sdk.Result, error) { | ||
| ctx = ctx.WithEventManager(sdk.NewEventManager()) | ||
|
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| // Call the method handler from the service description with the handler object. | ||
| res, err := methodHandler(handler, sdk.WrapSDKContext(ctx), func(_ interface{}) error { | ||
| // We don't do any decoding here because the decoding was already done. | ||
| return nil | ||
| }, func(goCtx context.Context, _ interface{}, _ *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) { | ||
| goCtx = context.WithValue(goCtx, sdk.SdkContextKey, ctx) | ||
| return handler(goCtx, req) | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| resMsg, ok := res.(proto.Message) | ||
| if !ok { | ||
| return nil, fmt.Errorf("can't proto encode %T", resMsg) | ||
| } | ||
|
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| return sdk.WrapServiceResult(ctx, resMsg, err) | ||
| } | ||
| } | ||
| } | ||
|
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| // SetInterfaceRegistry sets the interface registry for the router. | ||
| func (msr *MsgServiceRouter) SetInterfaceRegistry(interfaceRegistry codectypes.InterfaceRegistry) { | ||
| msr.interfaceRegistry = interfaceRegistry | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package baseapp_test | ||
|
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| import ( | ||
| "os" | ||
| "testing" | ||
|
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| "github.com/cosmos/cosmos-sdk/baseapp" | ||
|
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| tmproto "github.com/tendermint/tendermint/proto/tendermint/types" | ||
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| "github.com/stretchr/testify/require" | ||
| abci "github.com/tendermint/tendermint/abci/types" | ||
| "github.com/tendermint/tendermint/libs/log" | ||
| dbm "github.com/tendermint/tm-db" | ||
|
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| "github.com/cosmos/cosmos-sdk/client/tx" | ||
| "github.com/cosmos/cosmos-sdk/simapp" | ||
| "github.com/cosmos/cosmos-sdk/testutil/testdata" | ||
| "github.com/cosmos/cosmos-sdk/types/tx/signing" | ||
| authsigning "github.com/cosmos/cosmos-sdk/x/auth/signing" | ||
| ) | ||
|
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| func TestMsgService(t *testing.T) { | ||
| priv, _, _ := testdata.KeyTestPubAddr() | ||
| encCfg := simapp.MakeEncodingConfig() | ||
| db := dbm.NewMemDB() | ||
| app := baseapp.NewBaseApp("test", log.NewTMLogger(log.NewSyncWriter(os.Stdout)), db, encCfg.TxConfig.TxDecoder()) | ||
| app.SetInterfaceRegistry(encCfg.InterfaceRegistry) | ||
| testdata.RegisterMsgServer( | ||
| app.MsgServiceRouter(), | ||
| testdata.MsgServerImpl{}, | ||
| ) | ||
| _ = app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: 1}}) | ||
|
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| msg := testdata.NewServiceMsgCreateDog(&testdata.MsgCreateDog{Dog: &testdata.Dog{Name: "Spot"}}) | ||
| txBuilder := encCfg.TxConfig.NewTxBuilder() | ||
| txBuilder.SetFeeAmount(testdata.NewTestFeeAmount()) | ||
| txBuilder.SetGasLimit(testdata.NewTestGasLimit()) | ||
| err := txBuilder.SetMsgs(msg) | ||
| require.NoError(t, err) | ||
|
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| // First round: we gather all the signer infos. We use the "set empty | ||
| // signature" hack to do that. | ||
| sigV2 := signing.SignatureV2{ | ||
| PubKey: priv.PubKey(), | ||
| Data: &signing.SingleSignatureData{ | ||
| SignMode: encCfg.TxConfig.SignModeHandler().DefaultMode(), | ||
| Signature: nil, | ||
| }, | ||
| Sequence: 0, | ||
| } | ||
|
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| err = txBuilder.SetSignatures(sigV2) | ||
| require.NoError(t, err) | ||
|
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| // Second round: all signer infos are set, so each signer can sign. | ||
| signerData := authsigning.SignerData{ | ||
| ChainID: "test", | ||
| AccountNumber: 0, | ||
| Sequence: 0, | ||
| } | ||
| sigV2, err = tx.SignWithPrivKey( | ||
| encCfg.TxConfig.SignModeHandler().DefaultMode(), signerData, | ||
| txBuilder, priv, encCfg.TxConfig, 0) | ||
| require.NoError(t, err) | ||
| err = txBuilder.SetSignatures(sigV2) | ||
| require.NoError(t, err) | ||
|
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| // Send the tx to the app | ||
| txBytes, err := encCfg.TxConfig.TxEncoder()(txBuilder.GetTx()) | ||
| require.NoError(t, err) | ||
| res := app.DeliverTx(abci.RequestDeliverTx{Tx: txBytes}) | ||
| require.Equal(t, abci.CodeTypeOK, res.Code, "res=%+v", res) | ||
| } |
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