Merge pull request #2147 from nspcc-dev/drop-go-1.14

Drop Go 1.14, use 1.17

.circleci/config.yml

@@ -3,11 +3,6 @@ orbs:
   codecov: codecov/codecov@1.0.5
 
 executors:
-  go1_14:
-    docker:
-      - image: circleci/golang:1.14
-        environment:
-          GO111MODULE: "on"
   go1_15:
     docker:
       - image: circleci/golang:1.15
@@ -18,6 +13,9 @@ executors:
       - image: circleci/golang:1.16
         environment:
           GO111MODULE: "on"
+  go1_17:
+    docker:
+      - image: circleci/golang:1.17
 
 commands:
   gomod:
@@ -34,7 +32,7 @@ commands:
 jobs:
   lint:
     working_directory: /go/src/github.com/nspcc-dev/neo-go
-    executor: go1_16
+    executor: go1_17
     steps:
       - checkout
       - gomod
@@ -44,15 +42,6 @@ jobs:
             curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.40.0
             make lint
 
-  test_1_14:
-    working_directory: /go/src/github.com/nspcc-dev/neo-go
-    executor: go1_14
-    steps:
-      - checkout
-      - run: git submodule sync
-      - run: git submodule update --init
-      - gomod
-      - run: go test -v -race ./...
   test_1_15:
     working_directory: /go/src/github.com/nspcc-dev/neo-go
     executor: go1_15
@@ -63,9 +52,19 @@ jobs:
       - gomod
       - run: go test -v -race ./...
 
-  test_cover:
+  test_1_16:
     working_directory: /go/src/github.com/nspcc-dev/neo-go
     executor: go1_16
+    steps:
+      - checkout
+      - run: git submodule sync
+      - run: git submodule update --init
+      - gomod
+      - run: go test -v -race ./...
+
+  test_cover:
+    working_directory: /go/src/github.com/nspcc-dev/neo-go
+    executor: go1_17
     environment:
         CGO_ENABLED: 0
     steps:
@@ -79,7 +78,7 @@ jobs:
 
   build_cli:
     working_directory: /go/src/github.com/nspcc-dev/neo-go
-    executor: go1_16
+    executor: go1_17
     steps:
       - checkout
       - gomod
@@ -90,7 +89,7 @@ jobs:
 
   build_image:
     working_directory: /go/src/github.com/nspcc-dev/neo-go
-    executor: go1_16
+    executor: go1_17
     docker:
       - image: golang:1-alpine
     steps:
@@ -118,11 +117,11 @@ workflows:
           filters:
             tags:
               only: v/[0-9]+\.[0-9]+\.[0-9]+/
-      - test_1_14:
+      - test_1_15:
           filters:
             tags:
               only: v/[0-9]+\.[0-9]+\.[0-9]+/
-      - test_1_15:
+      - test_1_16:
           filters:
             tags:
               only: v/[0-9]+\.[0-9]+\.[0-9]+/

.github/workflows/publish_to_dockerhub.yml

@@ -57,7 +57,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.17
 
       - name: Restore go modules from cache
         uses: actions/cache@v2
@@ -94,7 +94,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.17
 
       - name: Restore go modules from cache
         uses: actions/cache@v2

.github/workflows/run_tests.yml

@@ -44,7 +44,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.17
 
       - name: Restore Go modules from cache
         uses: actions/cache@v2
@@ -70,7 +70,7 @@ jobs:
     runs-on: ubuntu-18.04
     strategy:
       matrix:
-        go_versions: [ '1.14', '1.15', '1.16' ]
+        go_versions: [ '1.15', '1.16' ]
       fail-fast: false
     steps:
       - uses: actions/checkout@v2
@@ -111,7 +111,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.17
 
       - name: Restore Go modules from cache
         uses: actions/cache@v2
@@ -138,7 +138,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.17
 
       - name: Restore Go modules from cache
         uses: actions/cache@v2

.travis.yml

@@ -1,6 +1,6 @@
 language: go
 go:
-  - 1.14.x
+  - 1.15.x
 env:
   - GO111MODULE=on
 install:

README.md

@@ -48,7 +48,7 @@ NeoGo, `:latest` points to the latest release) or build yourself.
 
 ### Building
 
-To build NeoGo you need Go 1.14+ and `make`:
+To build NeoGo you need Go 1.15+ and `make`:
 
 ```
 make build

cli/contract_test.go

@@ -28,6 +28,7 @@ import (
 )
 
 func TestCalcHash(t *testing.T) {
+	tmpDir := t.TempDir()
 	e := newExecutor(t, false)
 
 	nefPath := "./testdata/verify.nef"
@@ -58,13 +59,9 @@ func TestCalcHash(t *testing.T) {
 			"--in", "./testdata/verify.nef123", "--manifest", manifestPath)...)
 	})
 	t.Run("invalid file", func(t *testing.T) {
-		p, err := ioutil.TempFile("", "neogo.calchash.verify.nef")
+		p := path.Join(tmpDir, "neogo.calchash.verify.nef")
-		require.NoError(t, err)
+		require.NoError(t, ioutil.WriteFile(p, src[:4], os.ModePerm))
-		t.Cleanup(func() {
+		e.RunWithError(t, append(cmd, "--sender", sender.StringLE(), "--in", p, "--manifest", manifestPath)...)
-			os.Remove(p.Name())
-		})
-		require.NoError(t, ioutil.WriteFile(p.Name(), src[:4], os.ModePerm))
-		e.RunWithError(t, append(cmd, "--sender", sender.StringLE(), "--in", p.Name(), "--manifest", manifestPath)...)
 	})
 
 	cmd = append(cmd, "--in", nefPath, "--manifest", manifestPath)
@@ -84,12 +81,7 @@ func TestCalcHash(t *testing.T) {
 }
 
 func TestContractInitAndCompile(t *testing.T) {
-	tmpDir, err := ioutil.TempDir("", "neogo.inittest")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
-
 	e := newExecutor(t, false)
 
 	t.Run("no path is provided", func(t *testing.T) {
@@ -148,12 +140,7 @@ func TestDeployBigContract(t *testing.T) {
 
 	// For proper nef generation.
 	config.Version = "0.90.0-test"
-
+	tmpDir := t.TempDir()
-	tmpDir, err := ioutil.TempDir("", "neogo.test.deployfail")
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 
 	nefName := path.Join(tmpDir, "deploy.nef")
 	manifestName := path.Join(tmpDir, "deploy.manifest.json")
@@ -174,12 +161,7 @@ func TestContractDeployWithData(t *testing.T) {
 
 	// For proper nef generation.
 	config.Version = "0.90.0-test"
-
+	tmpDir := t.TempDir()
-	tmpDir, err := ioutil.TempDir("", "neogo.test.deployfail")
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 
 	nefName := path.Join(tmpDir, "deploy.nef")
 	manifestName := path.Join(tmpDir, "deploy.manifest.json")
@@ -232,12 +214,7 @@ func TestContractManifestGroups(t *testing.T) {
 
 	// For proper nef generation.
 	config.Version = "0.90.0-test"
-
+	tmpDir := t.TempDir()
-	tmpDir, err := ioutil.TempDir("", "neogo.test.deployfail")
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 
 	w, err := wallet.NewWalletFromFile(testWalletPath)
 	require.NoError(t, err)
@@ -273,11 +250,7 @@ func deployVerifyContract(t *testing.T, e *executor) util.Uint160 {
 }
 
 func deployContract(t *testing.T, e *executor, inPath, configPath, wallet, address, pass string) util.Uint160 {
-	tmpDir, err := ioutil.TempDir(os.TempDir(), "neogo.test.deploycontract*")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 	nefName := path.Join(tmpDir, "contract.nef")
 	manifestName := path.Join(tmpDir, "contract.manifest.json")
 	e.Run(t, "neo-go", "contract", "compile",
@@ -303,12 +276,7 @@ func TestComlileAndInvokeFunction(t *testing.T) {
 
 	// For proper nef generation.
 	config.Version = "0.90.0-test"
-
+	tmpDir := t.TempDir()
-	tmpDir, err := ioutil.TempDir("", "neogo.test.compileandinvoke")
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 
 	nefName := path.Join(tmpDir, "deploy.nef")
 	manifestName := path.Join(tmpDir, "deploy.manifest.json")
@@ -556,12 +524,7 @@ func TestContractInspect(t *testing.T) {
 	// For proper nef generation.
 	config.Version = "0.90.0-test"
 	const srcPath = "testdata/deploy/main.go"
-
+	tmpDir := t.TempDir()
-	tmpDir, err := ioutil.TempDir("", "neogo.test.contract.inspect")
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 
 	nefName := path.Join(tmpDir, "deploy.nef")
 	manifestName := path.Join(tmpDir, "deploy.manifest.json")
@@ -588,6 +551,7 @@ func TestContractInspect(t *testing.T) {
 }
 
 func TestCompileExamples(t *testing.T) {
+	tmpDir := t.TempDir()
 	const examplePath = "../examples"
 	infos, err := ioutil.ReadDir(examplePath)
 	require.NoError(t, err)
@@ -608,21 +572,15 @@ func TestCompileExamples(t *testing.T) {
 			require.NoError(t, err)
 			require.False(t, len(infos) == 0, "detected smart contract folder with no contract in it")
 
-			outF, err := ioutil.TempFile("", info.Name()+".nef")
+			outF := path.Join(tmpDir, info.Name()+".nef")
-			require.NoError(t, err)
+			manifestF := path.Join(tmpDir, info.Name()+".manifest.json")
-			manifestF, err := ioutil.TempFile("", info.Name()+".manifest.json")
-			require.NoError(t, err)
-			t.Cleanup(func() {
-				os.Remove(outF.Name())
-				os.Remove(manifestF.Name())
-			})
 
 			cfgName := filterFilename(infos, ".yml")
 			opts := []string{
 				"neo-go", "contract", "compile",
 				"--in", path.Join(examplePath, info.Name()),
-				"--out", outF.Name(),
+				"--out", outF,
-				"--manifest", manifestF.Name(),
+				"--manifest", manifestF,
 				"--config", path.Join(examplePath, info.Name(), cfgName),
 			}
 			e.Run(t, opts...)
@@ -632,18 +590,12 @@ func TestCompileExamples(t *testing.T) {
 	t.Run("invalid events in manifest", func(t *testing.T) {
 		const dir = "./testdata/"
 		for _, name := range []string{"invalid1", "invalid2", "invalid3"} {
-			outF, err := ioutil.TempFile("", name+".nef")
+			outF := path.Join(tmpDir, name+".nef")
-			require.NoError(t, err)
+			manifestF := path.Join(tmpDir, name+".manifest.json")
-			manifestF, err := ioutil.TempFile("", name+".manifest.json")
-			require.NoError(t, err)
-			t.Cleanup(func() {
-				os.Remove(outF.Name())
-				os.Remove(manifestF.Name())
-			})
 			e.RunWithError(t, "neo-go", "contract", "compile",
 				"--in", path.Join(dir, name),
-				"--out", outF.Name(),
+				"--out", outF,
-				"--manifest", manifestF.Name(),
+				"--manifest", manifestF,
 				"--config", path.Join(dir, name, "invalid.yml"),
 			)
 		}

cli/dump_test.go

@@ -12,11 +12,7 @@ import (
 )
 
 func TestDBRestore(t *testing.T) {
-	tmpDir, err := ioutil.TempDir("", "neogo.restoretest")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 
 	chainPath := path.Join(tmpDir, "neogotestchain")
 	cfg, err := config.LoadFile("../config/protocol.unit_testnet.yml")

cli/multisig_test.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"encoding/hex"
-	"io/ioutil"
 	"math/big"
 	"os"
 	"path"
@@ -28,13 +27,9 @@ func TestSignMultisigTx(t *testing.T) {
 	multisigAddr := address.Uint160ToString(multisigHash)
 
 	// Create 2 wallets participating in multisig.
-	tmpDir, err := ioutil.TempDir("", "neogo.wallettest")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
 	wallet1Path := path.Join(tmpDir, "multiWallet1.json")
 	wallet2Path := path.Join(tmpDir, "multiWallet2.json")
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 
 	addAccount := func(w string, wif string) {
 		e.Run(t, "neo-go", "wallet", "init", "--wallet", w)

cli/nep11_test.go

@@ -6,7 +6,6 @@ import (
 	"io"
 	"io/ioutil"
 	"math/big"
-	"os"
 	"path"
 	"strings"
 	"testing"
@@ -31,10 +30,8 @@ const (
 func TestNEP11Import(t *testing.T) {
 	e := newExecutor(t, true)
 
-	tmpDir, err := ioutil.TempDir("", "neogo.nep11import")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
 	walletPath := path.Join(tmpDir, "walletForImport.json")
-	t.Cleanup(func() { os.RemoveAll(tmpDir) })
 
 	// deploy NFT NeoNameService contract
 	nnsContractHash := deployNNSContract(t, e)
@@ -93,12 +90,7 @@ func TestNEP11Import(t *testing.T) {
 
 func TestNEP11_OwnerOf_BalanceOf_Transfer(t *testing.T) {
 	e := newExecutor(t, true)
-
+	tmpDir := t.TempDir()
-	tmpDir, err := ioutil.TempDir(os.TempDir(), "neogo.test.nftwallet*")
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 
 	// copy wallet to temp dir in order not to overwrite the original file
 	bytesRead, err := ioutil.ReadFile(nftOwnerWallet)

cli/nep17_test.go

@@ -2,9 +2,7 @@ package main
 
 import (
 	"io"
-	"io/ioutil"
 	"math/big"
-	"os"
 	"path"
 	"strconv"
 	"strings"
@@ -260,10 +258,7 @@ func TestNEP17MultiTransfer(t *testing.T) {
 
 func TestNEP17ImportToken(t *testing.T) {
 	e := newExecutor(t, true)
-
+	tmpDir := t.TempDir()
-	tmpDir, err := ioutil.TempDir("", "neogo.nep17import")
-	require.NoError(t, err)
-	t.Cleanup(func() { os.RemoveAll(tmpDir) })
 	walletPath := path.Join(tmpDir, "walletForImport.json")
 
 	neoContractHash, err := e.Chain.GetNativeContractScriptHash(nativenames.Neo)

cli/server/dump_test.go

@@ -1,8 +1,6 @@
 package server
 
 import (
-	"io/ioutil"
-	"os"
 	"path"
 	"testing"
 
@@ -10,12 +8,7 @@ import (
 )
 
 func TestGetPath(t *testing.T) {
-	testPath, err := ioutil.TempDir("./", "")
+	testPath := t.TempDir()
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		err := os.RemoveAll(testPath)
-		require.NoError(t, err)
-	})
 	actual, err := getPath(testPath, 123)
 	require.NoError(t, err)
 	require.Equal(t, path.Join(testPath, "/BlockStorage_100000/dump-block-1000.json"), actual)

cli/server/server_test.go

@@ -2,8 +2,8 @@ package server
 
 import (
 	"flag"
-	"io/ioutil"
 	"os"
+	"path"
 	"testing"
 
 	"github.com/nspcc-dev/neo-go/pkg/config"
@@ -16,6 +16,17 @@ import (
 	"go.uber.org/zap"
 )
 
+// serverTestWD is the default working directory for server tests.
+var serverTestWD string
+
+func init() {
+	var err error
+	serverTestWD, err = os.Getwd()
+	if err != nil {
+		panic("can't get current working directory")
+	}
+}
+
 func TestGetConfigFromContext(t *testing.T) {
 	set := flag.NewFlagSet("flagSet", flag.ExitOnError)
 	set.String("config-path", "../../config", "")
@@ -27,17 +38,14 @@ func TestGetConfigFromContext(t *testing.T) {
 }
 
 func TestHandleLoggingParams(t *testing.T) {
-	testLog, err := ioutil.TempFile("./", "*.log")
+	d := t.TempDir()
-	require.NoError(t, err)
+	testLog := path.Join(d, "file.log")
-	t.Cleanup(func() {
-		require.NoError(t, os.Remove(testLog.Name()))
-	})
 
 	t.Run("default", func(t *testing.T) {
 		set := flag.NewFlagSet("flagSet", flag.ExitOnError)
 		ctx := cli.NewContext(cli.NewApp(), set, nil)
 		cfg := config.ApplicationConfiguration{
-			LogPath: testLog.Name(),
+			LogPath: testLog,
 		}
 		logger, err := handleLoggingParams(ctx, cfg)
 		require.NoError(t, err)
@@ -50,7 +58,7 @@ func TestHandleLoggingParams(t *testing.T) {
 		set.Bool("debug", true, "")
 		ctx := cli.NewContext(cli.NewApp(), set, nil)
 		cfg := config.ApplicationConfiguration{
-			LogPath: testLog.Name(),
+			LogPath: testLog,
 		}
 		logger, err := handleLoggingParams(ctx, cfg)
 		require.NoError(t, err)
@@ -60,18 +68,13 @@ func TestHandleLoggingParams(t *testing.T) {
 }
 
 func TestInitBCWithMetrics(t *testing.T) {
-	d, err := ioutil.TempDir("./", "")
+	d := t.TempDir()
+	err := os.Chdir(d)
 	require.NoError(t, err)
-	err = os.Chdir(d)
+	t.Cleanup(func() { require.NoError(t, os.Chdir(serverTestWD)) })
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		err = os.Chdir("..")
-		require.NoError(t, err)
-		os.RemoveAll(d)
-	})
 
 	set := flag.NewFlagSet("flagSet", flag.ExitOnError)
-	set.String("config-path", "../../../config", "")
+	set.String("config-path", path.Join(serverTestWD, "../../config"), "")
 	set.Bool("testnet", true, "")
 	set.Bool("debug", true, "")
 	ctx := cli.NewContext(cli.NewApp(), set, nil)
@@ -90,19 +93,15 @@ func TestInitBCWithMetrics(t *testing.T) {
 }
 
 func TestDumpDB(t *testing.T) {
-	t.Run("too low chain", func(t *testing.T) {
-		d, err := ioutil.TempDir("./", "")
-		require.NoError(t, err)
-		err = os.Chdir(d)
-		require.NoError(t, err)
-		t.Cleanup(func() {
-			err = os.Chdir("..")
-			require.NoError(t, err)
-			os.RemoveAll(d)
-		})
 	testDump := "file.acc"
+
+	t.Run("too low chain", func(t *testing.T) {
+		d := t.TempDir()
+		err := os.Chdir(d)
+		require.NoError(t, err)
+		t.Cleanup(func() { require.NoError(t, os.Chdir(serverTestWD)) })
 		set := flag.NewFlagSet("flagSet", flag.ExitOnError)
-		set.String("config-path", "../../../config", "")
+		set.String("config-path", path.Join(serverTestWD, "../../config"), "")
 		set.Bool("privnet", true, "")
 		set.Bool("debug", true, "")
 		set.Int("start", 0, "")
@@ -114,18 +113,12 @@ func TestDumpDB(t *testing.T) {
 	})
 
 	t.Run("positive", func(t *testing.T) {
-		d, err := ioutil.TempDir("./", "")
+		d := t.TempDir()
+		err := os.Chdir(d)
 		require.NoError(t, err)
-		err = os.Chdir(d)
+		t.Cleanup(func() { require.NoError(t, os.Chdir(serverTestWD)) })
-		require.NoError(t, err)
-		t.Cleanup(func() {
-			err = os.Chdir("..")
-			require.NoError(t, err)
-			os.RemoveAll(d)
-		})
-		testDump := "file.acc"
 		set := flag.NewFlagSet("flagSet", flag.ExitOnError)
-		set.String("config-path", "../../../config", "")
+		set.String("config-path", path.Join(serverTestWD, "../../config"), "")
 		set.Bool("privnet", true, "")
 		set.Bool("debug", true, "")
 		set.Int("start", 0, "")
@@ -138,21 +131,16 @@ func TestDumpDB(t *testing.T) {
 }
 
 func TestRestoreDB(t *testing.T) {
-	d, err := ioutil.TempDir("./", "")
+	d := t.TempDir()
-	require.NoError(t, err)
 	testDump := "file1.acc"
 	saveDump := "file2.acc"
-	err = os.Chdir(d)
+	err := os.Chdir(d)
 	require.NoError(t, err)
-	t.Cleanup(func() {
+	t.Cleanup(func() { require.NoError(t, os.Chdir(serverTestWD)) })
-		err = os.Chdir("..")
-		require.NoError(t, err)
-		os.RemoveAll(d)
-	})
 
 	//dump first
 	set := flag.NewFlagSet("flagSet", flag.ExitOnError)
-	set.String("config-path", "../../../config", "")
+	set.String("config-path", path.Join(serverTestWD, "../../config"), "")
 	set.Bool("privnet", true, "")
 	set.Bool("debug", true, "")
 	set.Int("start", 0, "")

cli/smartcontract/smart_contract_test.go

@@ -16,15 +16,12 @@ import (
 )
 
 func TestInitSmartContract(t *testing.T) {
-	d, err := ioutil.TempDir("./", "")
+	d := t.TempDir()
+	testWD, err := os.Getwd()
 	require.NoError(t, err)
 	err = os.Chdir(d)
 	require.NoError(t, err)
-	t.Cleanup(func() {
+	t.Cleanup(func() { require.NoError(t, os.Chdir(testWD)) })
-		err = os.Chdir("..")
-		require.NoError(t, err)
-		os.RemoveAll(d)
-	})
 	contractName := "testContract"
 
 	set := flag.NewFlagSet("flagSet", flag.ExitOnError)

cli/wallet_test.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"io/ioutil"
 	"math/big"
-	"os"
 	"path"
 	"strings"
 	"testing"
@@ -20,12 +19,7 @@ import (
 )
 
 func TestWalletAccountRemove(t *testing.T) {
-	tmpDir, err := ioutil.TempDir("", "neogo.test.walletinit")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
-
 	e := newExecutor(t, false)
 
 	walletPath := path.Join(tmpDir, "wallet.json")
@@ -52,12 +46,7 @@ func TestWalletAccountRemove(t *testing.T) {
 }
 
 func TestWalletInit(t *testing.T) {
-	tmpDir, err := ioutil.TempDir("", "neogo.test.walletinit")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
-
 	e := newExecutor(t, false)
 
 	walletPath := path.Join(tmpDir, "wallet.json")
@@ -268,15 +257,11 @@ func TestClaimGas(t *testing.T) {
 }
 
 func TestImportDeployed(t *testing.T) {
+	tmpDir := t.TempDir()
 	e := newExecutor(t, true)
-
 	h := deployVerifyContract(t, e)
-	tmpDir, err := ioutil.TempDir("", "neogo.importdeployed")
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.Remove(tmpDir)
-	})
 	walletPath := path.Join(tmpDir, "wallet.json")
+
 	e.Run(t, "neo-go", "wallet", "init", "--wallet", walletPath)
 
 	priv, err := keys.NewPrivateKey()
@@ -402,12 +387,7 @@ func TestDumpKeys(t *testing.T) {
 
 // Testcase is the wallet of privnet validator.
 func TestWalletConvert(t *testing.T) {
-	tmpDir, err := ioutil.TempDir("", "neogo.test.convert")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
-
 	e := newExecutor(t, false)
 
 	outPath := path.Join(tmpDir, "wallet.json")

docs/compiler.md

@@ -48,7 +48,7 @@ The compiler uses Go parser internally and depends on regular Go compiler
 presence, so make sure you have it installed and set up. On some distributions
 this requires you to set proper `GOROOT` environment variable, like
 ```
-export GOROOT=/usr/lib64/go/1.14
+export GOROOT=/usr/lib64/go/1.15
 ```
 
 ### Compiling

go.mod

@@ -31,4 +31,4 @@ require (
 	gopkg.in/yaml.v2 v2.4.0
 )
 
-go 1.14
+go 1.15

pkg/core/stateroot_test.go

@@ -2,8 +2,6 @@ package core
 
 import (
 	"errors"
-	"io/ioutil"
-	"os"
 	"path"
 	"sort"
 	"testing"
@@ -79,11 +77,7 @@ func TestStateRoot(t *testing.T) {
 	updateIndex := bc.BlockHeight()
 	transferTokenFromMultisigAccount(t, bc, h, bc.contracts.GAS.Hash, 1_0000_0000)
 
-	tmpDir, err := ioutil.TempDir("", "neogo.test.stateroot")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 	w := createAndWriteWallet(t, accs[0], path.Join(tmpDir, "w"), "pass")
 	cfg := createStateRootConfig(w.Path(), "pass")
 	srv, err := stateroot.New(cfg, zaptest.NewLogger(t), bc, nil)
@@ -151,11 +145,7 @@ func TestStateRootInitNonZeroHeight(t *testing.T) {
 
 		_, err := persistBlock(bc)
 		require.NoError(t, err)
-		tmpDir, err := ioutil.TempDir("", "neogo.initsnz")
+		tmpDir := t.TempDir()
-		require.NoError(t, err)
-		t.Cleanup(func() {
-			os.RemoveAll(tmpDir)
-		})
 		w := createAndWriteWallet(t, accs[0], path.Join(tmpDir, "w"), "pass")
 		cfg := createStateRootConfig(w.Path(), "pass")
 		srv, err := stateroot.New(cfg, zaptest.NewLogger(t), bc, nil)
@@ -195,12 +185,7 @@ func createStateRootConfig(walletPath, password string) config.StateRoot {
 }
 
 func TestStateRootFull(t *testing.T) {
-	tmpDir, err := ioutil.TempDir("", "neogo.stateroot4")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
-
 	bc := newTestChain(t)
 
 	h, pubs, accs := newMajorityMultisigWithGAS(t, 2)

pkg/core/storage/badgerdb_store_test.go

@@ -1,33 +1,13 @@
 package storage
 
 import (
-	"io/ioutil"
-	"os"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 )
 
-type tempBadgerDB struct {
-	*BadgerDBStore
-	dir string
-}
-
-func (tbdb *tempBadgerDB) Close() error {
-	err := tbdb.BadgerDBStore.Close()
-	// Make test fail if failed to cleanup, even though technically it's
-	// not a BadgerDBStore problem.
-	osErr := os.RemoveAll(tbdb.dir)
-	if osErr != nil {
-		return osErr
-	}
-	return err
-}
-
 func newBadgerDBForTesting(t *testing.T) Store {
-	bdbDir, err := ioutil.TempDir(os.TempDir(), "testbadgerdb")
+	bdbDir := t.TempDir()
-	require.Nil(t, err, "failed to setup temporary directory")
-
 	dbConfig := DBConfiguration{
 		Type: "badgerdb",
 		BadgerDBOptions: BadgerDBOptions{
@@ -36,9 +16,5 @@ func newBadgerDBForTesting(t *testing.T) Store {
 	}
 	newBadgerStore, err := NewBadgerDBStore(dbConfig.BadgerDBOptions)
 	require.Nil(t, err, "NewBadgerDBStore error")
-	tbdb := &tempBadgerDB{
+	return newBadgerStore
-		BadgerDBStore: newBadgerStore,
-		dir:           bdbDir,
-	}
-	return tbdb
 }

pkg/core/storage/boltdb_store_test.go

@@ -1,23 +1,16 @@
 package storage
 
 import (
-	"io/ioutil"
+	"path"
-	"os"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 )
 
 func newBoltStoreForTesting(t *testing.T) Store {
-	testFileName := "test_bolt_db"
+	d := t.TempDir()
-	file, err := ioutil.TempFile("", testFileName)
+	testFileName := path.Join(d, "test_bolt_db")
-	t.Cleanup(func() {
+	boltDBStore, err := NewBoltDBStore(BoltDBOptions{FilePath: testFileName})
-		err := os.RemoveAll(file.Name())
-		require.NoError(t, err)
-	})
-	require.NoError(t, err)
-	require.NoError(t, file.Close())
-	boltDBStore, err := NewBoltDBStore(BoltDBOptions{FilePath: file.Name()})
 	require.NoError(t, err)
 	return boltDBStore
 }

pkg/core/storage/leveldb_store_test.go

@@ -1,33 +1,13 @@
 package storage
 
 import (
-	"io/ioutil"
-	"os"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 )
 
-type tempLevelDB struct {
-	LevelDBStore
-	dir string
-}
-
-func (tldb *tempLevelDB) Close() error {
-	err := tldb.LevelDBStore.Close()
-	// Make test fail if failed to cleanup, even though technically it's
-	// not a LevelDBStore problem.
-	osErr := os.RemoveAll(tldb.dir)
-	if osErr != nil {
-		return osErr
-	}
-	return err
-}
-
 func newLevelDBForTesting(t *testing.T) Store {
-	ldbDir, err := ioutil.TempDir(os.TempDir(), "testleveldb")
+	ldbDir := t.TempDir()
-	require.Nil(t, err, "failed to setup temporary directory")
-
 	dbConfig := DBConfiguration{
 		Type: "leveldb",
 		LevelDBOptions: LevelDBOptions{
@@ -36,6 +16,5 @@ func newLevelDBForTesting(t *testing.T) Store {
 	}
 	newLevelStore, err := NewLevelDBStore(dbConfig.LevelDBOptions)
 	require.Nil(t, err, "NewLevelDBStore error")
-	tldb := &tempLevelDB{LevelDBStore: *newLevelStore, dir: ldbDir}
+	return newLevelStore
-	return tldb
 }

pkg/crypto/keys/private_key.go

@@ -64,7 +64,7 @@ func NewPrivateKeyFromBytes(b []byte) (*PrivateKey, error) {
 		d = new(big.Int).SetBytes(b)
 	)
 
-	x, y := c.ScalarBaseMult(d.Bytes())
+	x, y := c.ScalarBaseMult(b)
 
 	return &PrivateKey{
 		ecdsa.PrivateKey{
@@ -85,7 +85,7 @@ func NewPrivateKeyFromASN1(b []byte) (*PrivateKey, error) {
 	if err != nil {
 		return nil, err
 	}
-	return NewPrivateKeyFromBytes(privkey.D.Bytes())
+	return &PrivateKey{*privkey}, nil
 }
 
 // PublicKey derives the public key from the private key.
@@ -155,10 +155,9 @@ func (p *PrivateKey) SignHashable(net uint32, hh hash.Hashable) []byte {
 func getSignatureSlice(curve elliptic.Curve, r, s *big.Int) []byte {
 	params := curve.Params()
 	curveOrderByteSize := params.P.BitLen() / 8
-	rBytes, sBytes := r.Bytes(), s.Bytes()
 	signature := make([]byte, curveOrderByteSize*2)
-	copy(signature[curveOrderByteSize-len(rBytes):], rBytes)
+	_ = r.FillBytes(signature[:curveOrderByteSize])
-	copy(signature[curveOrderByteSize*2-len(sBytes):], sBytes)
+	_ = s.FillBytes(signature[curveOrderByteSize:])
 
 	return signature
 }
@@ -170,9 +169,8 @@ func (p *PrivateKey) String() string {
 
 // Bytes returns the underlying bytes of the PrivateKey.
 func (p *PrivateKey) Bytes() []byte {
-	bytes := p.D.Bytes()
 	result := make([]byte, 32)
-	copy(result[32-len(bytes):], bytes)
+	_ = p.D.FillBytes(result)
 
 	return result
 }

pkg/crypto/keys/publickey.go

@@ -8,7 +8,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	gio "io"
 	"math/big"
 
 	"github.com/btcsuite/btcd/btcec"
@@ -143,29 +142,10 @@ func (p *PublicKey) getBytes(compressed bool) []byte {
 		return []byte{0x00}
 	}
 
-	var resLen = 1 + coordLen
-	if !compressed {
-		resLen += coordLen
-	}
-	var res = make([]byte, resLen)
-	var prefix byte
-
-	xBytes := p.X.Bytes()
-	copy(res[1+coordLen-len(xBytes):], xBytes)
 	if compressed {
-		if p.Y.Bit(0) == 0 {
+		return elliptic.MarshalCompressed(p.Curve, p.X, p.Y)
-			prefix = 0x02
-		} else {
-			prefix = 0x03
 	}
-	} else {
+	return elliptic.Marshal(p.Curve, p.X, p.Y)
-		prefix = 0x04
-		yBytes := p.Y.Bytes()
-		copy(res[1+coordLen+coordLen-len(yBytes):], yBytes)
-	}
-	res[0] = prefix
-
-	return res
 }
 
 // Bytes returns byte array representation of the public key in compressed
@@ -239,8 +219,7 @@ func (p *PublicKey) DecodeBytes(data []byte) error {
 		return b.Err
 	}
 
-	b.ReadB()
+	if b.Len() != 0 {
-	if b.Err != gio.EOF {
 		return errors.New("extra data")
 	}
 	return nil
@@ -270,7 +249,7 @@ func (p *PublicKey) DecodeBinary(r *io.BinReader) {
 		return
 	case 0x02, 0x03:
 		// Compressed public keys
-		xbytes := make([]byte, 32)
+		xbytes := make([]byte, coordLen)
 		r.ReadBytes(xbytes)
 		if r.Err != nil {
 			return
@@ -283,8 +262,8 @@ func (p *PublicKey) DecodeBinary(r *io.BinReader) {
 			return
 		}
 	case 0x04:
-		xbytes := make([]byte, 32)
+		xbytes := make([]byte, coordLen)
-		ybytes := make([]byte, 32)
+		ybytes := make([]byte, coordLen)
 		r.ReadBytes(xbytes)
 		r.ReadBytes(ybytes)
 		if r.Err != nil {

pkg/crypto/keys/publickey_test.go

@@ -165,7 +165,7 @@ func TestUnique(t *testing.T) {
 	require.Equal(t, 1, unique.Len())
 }
 
-func getPubKey(t *testing.T) *PublicKey {
+func getPubKey(t testing.TB) *PublicKey {
 	pubKey, err := NewPublicKeyFromString("031ee4e73a17d8f76dc02532e2620bcb12425b33c0c9f9694cc2caa8226b68cad4")
 	require.NoError(t, err)
 	return pubKey
@@ -212,3 +212,37 @@ func TestUnmarshallJSONBadFormat(t *testing.T) {
 	err := json.Unmarshal([]byte(str), actual)
 	require.Error(t, err)
 }
+
+func BenchmarkPublicEqual(t *testing.B) {
+	k11 := getPubKey(t)
+	k12 := getPubKey(t)
+	k2, err := NewPublicKeyFromString("03b209fd4f53a7170ea4444e0cb0a6bb6a53c2bd016926989cf85f9b0fba17a70c")
+	require.NoError(t, err)
+	for n := 0; n < t.N; n++ {
+		_ = k11.Equal(k12)
+		_ = k11.Equal(k2)
+	}
+}
+
+func BenchmarkPublicBytes(t *testing.B) {
+	k := getPubKey(t)
+	for n := 0; n < t.N; n++ {
+		_ = k.Bytes()
+	}
+}
+
+func BenchmarkPublicUncompressedBytes(t *testing.B) {
+	k := getPubKey(t)
+	for n := 0; n < t.N; n++ {
+		_ = k.Bytes()
+	}
+}
+
+func BenchmarkPublicDecodeBytes(t *testing.B) {
+	keyBytes, err := hex.DecodeString("03b209fd4f53a7170ea4444e0cb0a6bb6a53c2bd016926989cf85f9b0fba17a70c")
+	require.NoError(t, err)
+	k := new(PublicKey)
+	for n := 0; n < t.N; n++ {
+		require.NoError(t, k.DecodeBytes(keyBytes))
+	}
+}

pkg/io/fileWriter_test.go

@@ -1,7 +1,6 @@
 package io
 
 import (
-	"io/ioutil"
 	"os"
 	"path"
 	"testing"
@@ -10,34 +9,22 @@ import (
 )
 
 func TestMakeDirForFile_HappyPath(t *testing.T) {
-	tempDir, err := ioutil.TempDir("", "test")
+	tempDir := t.TempDir()
-	require.NoError(t, err)
+	filePath := path.Join(tempDir, "testDir/testFile.test")
-
+	err := MakeDirForFile(filePath, "test")
-	filePath := tempDir + "/testDir/testFile.test"
-	err = MakeDirForFile(filePath, "test")
-	t.Cleanup(func() {
-		removeDir(t, tempDir)
-	})
 	require.NoError(t, err)
 
 	_, errChDir := os.Create(filePath)
 	require.NoError(t, errChDir)
 }
 
-func removeDir(t *testing.T, dirName string) {
-	err := os.RemoveAll(dirName)
-	require.NoError(t, err)
-}
-
 func TestMakeDirForFile_Negative(t *testing.T) {
-	file, err := ioutil.TempFile("", "test")
+	tempDir := t.TempDir()
+	filePath := path.Join(tempDir, "testFile.test")
+	_, err := os.Create(filePath)
 	require.NoError(t, err)
 
-	filePath := file.Name() + "/error"
+	filePath = path.Join(filePath, "error")
-	dir := path.Dir(filePath)
 	err = MakeDirForFile(filePath, "test")
-	t.Cleanup(func() {
-		removeDir(t, dir)
-	})
 	require.Errorf(t, err, "could not create dir for test: mkdir %s : not a directory", filePath)
 }

pkg/vm/cli/cli_test.go

@@ -162,11 +162,7 @@ func TestLoad(t *testing.T) {
 			return a * b
 		}
 	}`
-	tmpDir, err := ioutil.TempDir("", "neogo.vmcliloadtest")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 
 	t.Run("loadgo", func(t *testing.T) {
 		filename := path.Join(tmpDir, "vmtestcontract.go")
@@ -262,11 +258,7 @@ func TestRunWithDifferentArguments(t *testing.T) {
 		return arg
 	}`
 
-	tmpDir, err := ioutil.TempDir("", "neogo.vmcliruntest")
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		os.RemoveAll(tmpDir)
-	})
 	filename := path.Join(tmpDir, "run_vmtestcontract.go")
 	require.NoError(t, ioutil.WriteFile(filename, []byte(src), os.ModePerm))
 

pkg/wallet/wallet_test.go

@@ -2,8 +2,6 @@ package wallet
 
 import (
 	"encoding/json"
-	"io/ioutil"
-	"os"
 	"path"
 	"testing"
 
@@ -75,10 +73,8 @@ func TestPath(t *testing.T) {
 }
 
 func TestSave(t *testing.T) {
-	file, err := ioutil.TempFile("", walletTemplate)
+	wallet := checkWalletConstructor(t)
-	require.NoError(t, err)
+
-	wallet, err := NewWallet(file.Name())
-	require.NoError(t, err)
 	wallet.AddAccount(&Account{
 		privateKey:   nil,
 		publicKey:    nil,
@@ -91,9 +87,6 @@ func TestSave(t *testing.T) {
 		Default:      false,
 	})
 
-	t.Cleanup(func() {
-		removeWallet(t, file.Name())
-	})
 	errForSave := wallet.Save()
 	require.NoError(t, errForSave)
 
@@ -130,21 +123,13 @@ func TestJSONMarshallUnmarshal(t *testing.T) {
 }
 
 func checkWalletConstructor(t *testing.T) *Wallet {
-	file, err := ioutil.TempFile("", walletTemplate)
+	tmpDir := t.TempDir()
-	require.NoError(t, err)
+	file := path.Join(tmpDir, walletTemplate)
-	wallet, err := NewWallet(file.Name())
+	wallet, err := NewWallet(file)
-	t.Cleanup(func() {
-		removeWallet(t, file.Name())
-	})
 	require.NoError(t, err)
 	return wallet
 }
 
-func removeWallet(t *testing.T, walletPath string) {
-	err := os.RemoveAll(walletPath)
-	require.NoError(t, err)
-}
-
 func TestWallet_AddToken(t *testing.T) {
 	w := checkWalletConstructor(t)
 	tok := NewToken(util.Uint160{1, 2, 3}, "Rubl", "RUB", 2, manifest.NEP17StandardName)