Return bnsd version on abci_info

.travis.yml

@@ -35,6 +35,7 @@ env:
     - GO111MODULE=on
     - TM_VERSION=v0.31.11
     - BUILD_VERSION=$(echo ${TRAVIS_COMMIT} | cut -c 1-10)
+    - APP_VERSION=$(echo ${TRAVIS_TAG} | tr -dc '0-9')
     - MAIN_GO_VERSION=1.12.14
     - GORACE="halt_on_error=1"
     - FORCE_TM_TEST=1

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 ## HEAD
+- `bnsd`: return app version on abci_info
 - `bnsd`: revert burn feature
 - `bnsd`: when a domain is transferred accounts ownership is transferred to the new domain owner and accounts' targets are cleared
 - `bnsapi`: move bnsapi to new repo

app/store.go

@@ -52,16 +52,20 @@ type StoreApp struct {
 	// blockContext contains context info that is valid for the
 	// current block (eg. height, header), reset on BeginBlock
 	blockContext weave.Context
+
+	// current version of bnsd
+	appVersion uint64
 }
 
 // NewStoreApp initializes this app into a ready state with some defaults
 //
 // panics if unable to properly load the state from the given store
 // TODO: is this correct? nothing else to do really....
-func NewStoreApp(name string, store weave.CommitKVStore,
+func NewStoreApp(name string, appVersion uint64, store weave.CommitKVStore,
 	queryRouter weave.QueryRouter, baseContext weave.Context) *StoreApp {
 	s := &StoreApp{
-		name: name,
+		name:       name,
+		appVersion: appVersion,
 		// note: panics if trouble initializing from store
 		store:       NewCommitStore(store),
 		queryRouter: queryRouter,
@@ -183,6 +187,7 @@ func (s *StoreApp) Info(req abci.RequestInfo) abci.ResponseInfo {
 
 	return abci.ResponseInfo{
 		Data:             s.name,
+		AppVersion:       s.appVersion,
 		LastBlockHeight:  info.Version,
 		LastBlockAppHash: info.Hash,
 	}

cmd/bnsd/Makefile

@@ -1,7 +1,8 @@
 .PHONY: all build test image tf protoc clean dist
 
 BUILD_VERSION ?= manual
-BUILD_FLAGS := -mod=readonly -ldflags "-X github.com/iov-one/weave.Version=${BUILD_VERSION}"
+APP_VERSION ?= 1
+BUILD_FLAGS := -mod=readonly -ldflags "-X github.com/iov-one/weave.Version=${BUILD_VERSION} -X github.com/iov-one/weave/cmd/bnsd/app.AppVersion=${APP_VERSION}"
 DOCKER_BUILD_FLAGS := -a -installsuffix cgo
 BUILDOUT ?= bnsd
 IMAGE_NAME = "iov1/bnsd:${BUILD_VERSION}"

cmd/bnsd/app/app.go

@@ -175,6 +175,7 @@ func CronStack() weave.Handler {
 // for the Handler, just use Stack().
 func Application(
 	name string,
+	appVersion uint64,
 	h weave.Handler,
 	tx weave.TxDecoder,
 	dbPath string,
@@ -185,7 +186,7 @@ func Application(
 	if err != nil {
 		return app.BaseApp{}, errors.Wrap(err, "cannot create store")
 	}
-	store := app.NewStoreApp(name, kv, QueryRouter(options.MinFee), ctx)
+	store := app.NewStoreApp(name, appVersion, kv, QueryRouter(options.MinFee), ctx)
 	ticker := cron.NewTicker(CronStack(), CronTaskMarshaler)
 	base := app.NewBaseApp(store, tx, h, ticker, options.Debug)
 	return base, nil

cmd/bnsd/app/init.go

@@ -86,7 +86,7 @@ func GenerateApp(options *server.Options) (abci.Application, error) {
 	}
 
 	stack := Stack(nil, options.MinFee)
-	application, err := Application("bnsd", stack, TxDecoder, dbPath, options)
+	application, err := Application("bnsd", getAppVersion(), stack, TxDecoder, dbPath, options)
 	if err != nil {
 		return nil, err
 	}
@@ -119,7 +119,7 @@ func InlineApp(kv weave.CommitKVStore, logger log.Logger, debug bool) abci.Appli
 	minFee := coin.Coin{}
 	stack := Stack(nil, minFee)
 	ctx := context.Background()
-	store := app.NewStoreApp("bnsd", kv, QueryRouter(minFee), ctx)
+	store := app.NewStoreApp("bnsd", getAppVersion(), kv, QueryRouter(minFee), ctx)
 	base := app.NewBaseApp(store, TxDecoder, stack, nil, debug)
 	return DecorateApp(base, logger)
 }

cmd/bnsd/app/version.go

@@ -0,0 +1,16 @@
+package bnsd
+
+import "strconv"
+
+// AppVersion should be set by build flags: `git describe --tags`
+// It must be release tag without v prefix and dots
+var AppVersion = "please set in makefile"
+
+// tendermint expects app version as uint64
+func getAppVersion() uint64 {
+	appVersion, err := strconv.ParseUint(AppVersion, 10, 64)
+	if err != nil {
+		panic(err)
+	}
+	return appVersion
+}

cmd/bnsd/main.go

@@ -6,7 +6,6 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/iov-one/weave"
 	bnsd "github.com/iov-one/weave/cmd/bnsd/app"
 	"github.com/iov-one/weave/commands"
 	"github.com/iov-one/weave/commands/server"
@@ -70,7 +69,7 @@ func main() {
 	case "testgen":
 		err = commands.TestGenCmd(bnsd.Examples(), rest)
 	case "version":
-		fmt.Println(weave.Version)
+		fmt.Println(bnsd.AppVersion)
 	default:
 		err = fmt.Errorf("unknown command: %s", cmd)
 	}