cli/smartcontract: set correct version for pkg/interop

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>

Makefile

@@ -13,7 +13,8 @@ DC_FILE=.docker/docker-compose.yml
 GOOS ?= $(shell go env GOOS)
 REPO ?= "$(shell go list -m)"
 VERSION ?= "$(shell git describe --tags 2>/dev/null | sed 's/^v//')$(shell if [ "$(GOOS)" = "windows" ]; then echo "_unsupported"; fi)"
-BUILD_FLAGS = "-X '$(REPO)/pkg/config.Version=$(VERSION)'"
+MODVERSION ?= "$(shell cat go.mod | cat go.mod | sed -r -n -e 's|.*pkg/interop (.*)|\1|p')"
+BUILD_FLAGS = "-X '$(REPO)/pkg/config.Version=$(VERSION)' -X '$(REPO)/cli/smartcontract.ModVersion=$(MODVERSION)'"
 
 IMAGE_REPO=nspccdev/neo-go
 

cli/contract_test.go

@@ -5,12 +5,12 @@ import (
 	"encoding/json"
 	"io/ioutil"
 	"os"
-	"os/exec"
 	"path/filepath"
 	"strconv"
 	"strings"
 	"testing"
 
+	"github.com/nspcc-dev/neo-go/cli/smartcontract"
 	"github.com/nspcc-dev/neo-go/internal/random"
 	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop/storage"
@@ -83,6 +83,12 @@ func TestCalcHash(t *testing.T) {
 }
 
 func TestContractInitAndCompile(t *testing.T) {
+	// For proper nef generation.
+	config.Version = "v0.98.1-test"
+
+	// For proper contract init. The actual version as it will be replaced.
+	smartcontract.ModVersion = "v0.0.0"
+
 	tmpDir := t.TempDir()
 	e := newExecutor(t, false)
 
@@ -100,9 +106,6 @@ func TestContractInitAndCompile(t *testing.T) {
 		e.RunWithError(t, "neo-go", "contract", "init", "--name", ctrPath)
 	})
 
-	// For proper nef generation.
-	config.Version = "0.90.0-test"
-
 	srcPath := filepath.Join(ctrPath, "main.go")
 	cfgPath := filepath.Join(ctrPath, "neo-go.yml")
 	nefPath := filepath.Join(tmpDir, "testcontract.nef")
@@ -121,10 +124,16 @@ func TestContractInitAndCompile(t *testing.T) {
 		e.RunWithError(t, append(cmd, "--config", cfgName)...)
 	})
 
-	// FIXME too bad
-	c := exec.Command("go", "mod", "tidy")
-	c.Dir = ctrPath
-	require.NoError(t, c.Run())
+	// Replace `pkg/interop` in go.mod to avoid getting an actual module version.
+	goMod := filepath.Join(ctrPath, "go.mod")
+	data, err := ioutil.ReadFile(goMod)
+	require.NoError(t, err)
+
+	wd, err := os.Getwd()
+	require.NoError(t, err)
+	data = append(data, "\nreplace github.com/nspcc-dev/neo-go/pkg/interop => "...)
+	data = append(data, filepath.Join(wd, "../pkg/interop")...)
+	require.NoError(t, ioutil.WriteFile(goMod, data, os.ModePerm))
 
 	cmd = append(cmd, "--config", cfgPath)
 	e.Run(t, cmd...)

cli/smartcontract/smart_contract.go

@@ -69,6 +69,10 @@ var (
 	}
 )
 
+// ModVersion contains `pkg/interop` module version
+// suitable to be used in go.mod.
+var ModVersion string
+
 const (
 	// smartContractTmpl is written to a file when used with `init` command.
 	// %s is parsed to be the smartContractName.
@@ -449,9 +453,15 @@ func initSmartContract(ctx *cli.Context) error {
 	if err := ioutil.WriteFile(filepath.Join(basePath, "neo-go.yml"), b, 0644); err != nil {
 		return cli.NewExitError(err, 1)
 	}
+
+	ver := ModVersion
+	if ver == "" {
+		ver = "latest"
+	}
+
 	gm := []byte("module " + contractName + `
 require (
-	github.com/nspcc-dev/neo-go/pkg/interop latest
+	github.com/nspcc-dev/neo-go/pkg/interop ` + ver + `
 )`)
 	if err := ioutil.WriteFile(filepath.Join(basePath, "go.mod"), gm, 0644); err != nil {
 		return cli.NewExitError(err, 1)