algorand · algorandskiy · May 10, 2022 · Apr 25, 2022 · May 3, 2022 · Apr 25, 2022
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -198,7 +198,7 @@ commands:
           shell: bash.exe
           command: |
             choco install -y msys2 pacman make wget --force
-            choco install -y golang --version=1.16.15 --force
+            choco install -y golang --version=1.17.9 --force
             choco install -y python3 --version=3.7.3 --force
             export msys2='cmd //C RefreshEnv.cmd '
             export msys2+='& set MSYS=winsymlinks:nativestrict '

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Install golang
         uses: actions/setup-go@v2
         with:
-          go-version: '1.16.15'
+          go-version: '1.17.9'
       - name: Build Test
         run: |
           export ALGORAND_DEADLOCK=enable

diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
@@ -44,7 +44,7 @@ jobs:
       - name: Install specific golang
         uses: actions/setup-go@v2
         with:
-          go-version: '1.16.15'
+          go-version: '1.17.9'
       - name: Create folders for golangci-lint
         run: mkdir -p cicdtmp/golangci-lint
       - name: Check if custom golangci-lint is already built

diff --git a/Makefile b/Makefile
@@ -36,6 +36,13 @@ else
 export GOTESTCOMMAND=gotestsum --format pkgname --jsonfile testresults.json --
 endif
 
+# M1 Mac--homebrew install location in /opt/homebrew
+ifeq ($(OS_TYPE), darwin)
+ifeq ($(ARCH), arm64)
+export CPATH=/opt/homebrew/include
+export LIBRARY_PATH=/opt/homebrew/lib
+endif
+endif
 ifeq ($(UNAME), Linux)
 EXTLDFLAGS := -static-libstdc++ -static-libgcc
 ifeq ($(ARCH), amd64)

diff --git a/agreement/msgp_gen_test.go b/agreement/msgp_gen_test.go
diff --git a/cmd/partitiontest_linter/go.mod b/cmd/partitiontest_linter/go.mod
@@ -1,6 +1,6 @@
 module github.com/algorand/go-algorand/cmd/partitiontest_linter
 
-go 1.16
+go 1.17
 
 require golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
 require golang.org/x/sys v0.0.0-20210510120138-977fb7262007

diff --git a/compactcert/msgp_gen_test.go b/compactcert/msgp_gen_test.go
diff --git a/crypto/compactcert/msgp_gen_test.go b/crypto/compactcert/msgp_gen_test.go
diff --git a/crypto/merklearray/msgp_gen_test.go b/crypto/merklearray/msgp_gen_test.go
diff --git a/crypto/merklesignature/msgp_gen_test.go b/crypto/merklesignature/msgp_gen_test.go
diff --git a/crypto/msgp_gen_test.go b/crypto/msgp_gen_test.go
diff --git a/crypto/secp256k1/dummy.go b/crypto/secp256k1/dummy.go
@@ -1,3 +1,4 @@
+//go:build dummy
 // +build dummy
 
 // This file is part of a workaround for `go mod vendor` which won't vendor

diff --git a/crypto/secp256k1/libsecp256k1/contrib/dummy.go b/crypto/secp256k1/libsecp256k1/contrib/dummy.go
@@ -1,3 +1,4 @@
+//go:build dummy
 // +build dummy
 
 // Package c contains only a C file.

diff --git a/crypto/secp256k1/libsecp256k1/dummy.go b/crypto/secp256k1/libsecp256k1/dummy.go
@@ -1,3 +1,4 @@
+//go:build dummy
 // +build dummy
 
 // Package c contains only a C file.

diff --git a/crypto/secp256k1/libsecp256k1/include/dummy.go b/crypto/secp256k1/libsecp256k1/include/dummy.go
@@ -1,3 +1,4 @@
+//go:build dummy
 // +build dummy
 
 // Package c contains only a C file.

diff --git a/crypto/secp256k1/libsecp256k1/src/dummy.go b/crypto/secp256k1/libsecp256k1/src/dummy.go
@@ -1,3 +1,4 @@
+//go:build dummy
 // +build dummy
 
 // Package c contains only a C file.

diff --git a/crypto/secp256k1/libsecp256k1/src/modules/dummy.go b/crypto/secp256k1/libsecp256k1/src/modules/dummy.go
@@ -1,3 +1,4 @@
+//go:build dummy
 // +build dummy
 
 // Package c contains only a C file.

diff --git a/crypto/secp256k1/libsecp256k1/src/modules/ecdh/dummy.go b/crypto/secp256k1/libsecp256k1/src/modules/ecdh/dummy.go
@@ -1,3 +1,4 @@
+//go:build dummy
 // +build dummy
 
 // Package c contains only a C file.

diff --git a/crypto/secp256k1/libsecp256k1/src/modules/recovery/dummy.go b/crypto/secp256k1/libsecp256k1/src/modules/recovery/dummy.go
@@ -1,3 +1,4 @@
+//go:build dummy
 // +build dummy
 
 // Package c contains only a C file.

diff --git a/crypto/secp256k1/panic_cb.go b/crypto/secp256k1/panic_cb.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be found in
 // the LICENSE file.
 
-// +build !gofuzz
-// +build cgo
+//go:build !gofuzz && cgo
+// +build !gofuzz,cgo
 
 package secp256k1
 

diff --git a/crypto/secp256k1/scalar_mult_cgo.go b/crypto/secp256k1/scalar_mult_cgo.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be found in
 // the LICENSE file.
 
-// +build !gofuzz
-// +build cgo
+//go:build !gofuzz && cgo
+// +build !gofuzz,cgo
 
 package secp256k1
 

diff --git a/crypto/secp256k1/scalar_mult_nocgo.go b/crypto/secp256k1/scalar_mult_nocgo.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be found in
 // the LICENSE file.
 
+//go:build gofuzz || !cgo
 // +build gofuzz !cgo
 
 package secp256k1

diff --git a/crypto/secp256k1/secp256.go b/crypto/secp256k1/secp256.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be found in
 // the LICENSE file.
 
-// +build !gofuzz
-// +build cgo
+//go:build !gofuzz && cgo
+// +build !gofuzz,cgo
 
 // Package secp256k1 wraps the bitcoin secp256k1 C library.
 package secp256k1

diff --git a/daemon/algod/api/spec/v2/msgp_gen_test.go b/daemon/algod/api/spec/v2/msgp_gen_test.go
diff --git a/data/account/msgp_gen_test.go b/data/account/msgp_gen_test.go
diff --git a/data/basics/msgp_gen_test.go b/data/basics/msgp_gen_test.go
diff --git a/data/bookkeeping/msgp_gen_test.go b/data/bookkeeping/msgp_gen_test.go
diff --git a/data/committee/msgp_gen_test.go b/data/committee/msgp_gen_test.go
diff --git a/data/hashable/msgp_gen_test.go b/data/hashable/msgp_gen_test.go
diff --git a/data/transactions/msgp_gen_test.go b/data/transactions/msgp_gen_test.go
diff --git a/go.mod b/go.mod
@@ -1,53 +1,72 @@
 module github.com/algorand/go-algorand
 
-go 1.16
+go 1.17
 
 require (
 	github.com/algorand/falcon v0.0.0-20220130164023-c9e1d466f123
 	github.com/algorand/go-codec/codec v1.1.8
 	github.com/algorand/go-deadlock v0.2.2
 	github.com/algorand/go-sumhash v0.1.0
 	github.com/algorand/graphtrace v0.1.0
-	github.com/algorand/msgp v1.1.50
+	github.com/algorand/msgp v1.1.51
 	github.com/algorand/oapi-codegen v1.3.7
 	github.com/algorand/websocket v1.4.5
 	github.com/aws/aws-sdk-go v1.16.5
 	github.com/chrismcguire/gobberish v0.0.0-20150821175641-1d8adb509a0e
-	github.com/cpuguy83/go-md2man v1.0.8 // indirect
 	github.com/davidlazar/go-crypto v0.0.0-20170701192655-dcfb0a7ac018
 	github.com/dchest/siphash v1.2.1
 	github.com/fatih/color v1.7.0
-	github.com/fortytw2/leaktest v1.3.0 // indirect
 	github.com/gen2brain/beeep v0.0.0-20180718162406-4e430518395f
 	github.com/getkin/kin-openapi v0.22.0
-	github.com/godbus/dbus v0.0.0-20181101234600-2ff6f7ffd60f // indirect
 	github.com/gofrs/flock v0.7.0
 	github.com/google/go-querystring v1.0.0
-	github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
-	github.com/gopherjs/gopherwasm v1.0.1 // indirect
-	github.com/gorilla/context v1.1.1 // indirect
 	github.com/gorilla/mux v1.6.2
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/jmoiron/sqlx v1.2.0
 	github.com/karalabe/usb v0.0.2
 	github.com/labstack/echo/v4 v4.1.17
-	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-sqlite3 v1.10.0
 	github.com/miekg/dns v1.1.27
-	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
-	github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d // indirect
 	github.com/olivere/elastic v6.2.14+incompatible
-	github.com/russross/blackfriday v1.5.2 // indirect
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v0.0.3
-	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/testify v1.7.1
 	golang.org/x/crypto v0.0.0-20210921155107-089bfa567519
-	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654
+	golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e
 	golang.org/x/text v0.3.7
+	gopkg.in/sohlich/elogrus.v3 v3.0.0-20180410122755-1fa29e2f2009
+)
+
+require (
+	github.com/cpuguy83/go-md2man v1.0.8 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
+	github.com/fortytw2/leaktest v1.3.0 // indirect
+	github.com/ghodss/yaml v1.0.0 // indirect
+	github.com/godbus/dbus v0.0.0-20181101234600-2ff6f7ffd60f // indirect
+	github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
+	github.com/gopherjs/gopherwasm v1.0.1 // indirect
+	github.com/gorilla/context v1.1.1 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/labstack/gommon v0.3.0 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-colorable v0.1.7 // indirect
+	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
+	github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d // indirect
+	github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/russross/blackfriday v1.5.2 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasttemplate v1.2.1 // indirect
+	golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f // indirect
+	golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
-	gopkg.in/sohlich/elogrus.v3 v3.0.0-20180410122755-1fa29e2f2009
 	gopkg.in/toast.v1 v1.0.0-20180812000517-0a84660828b2 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect
+	gopkg.in/yaml.v2 v2.3.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )
diff --git a/go.sum b/go.sum
@@ -1,6 +1,5 @@
 github.com/algorand/falcon v0.0.0-20220130164023-c9e1d466f123 h1:cnUjJ/iqUjJNbhUzgmxbfwHMVFnz+DLnNQx8uJcGaks=
 github.com/algorand/falcon v0.0.0-20220130164023-c9e1d466f123/go.mod h1:OkQyHlGvS0kLNcIWbC21/uQcnbfwSOQm+wiqWwBG9pQ=
-github.com/algorand/go-codec v1.1.8 h1:XDSreeeZY8gMst6Edz4RBkl08/DGMJOeHYkoXL2B7wI=
 github.com/algorand/go-codec v1.1.8/go.mod h1:XhzVs6VVyWMLu6cApb9/192gBjGRVGm5cX5j203Heg4=
 github.com/algorand/go-codec/codec v1.1.8 h1:lsFuhcOH2LiEhpBH3BVUUkdevVmwCRyvb7FCAAPeY6U=
 github.com/algorand/go-codec/codec v1.1.8/go.mod h1:tQ3zAJ6ijTps6V+wp8KsGDnPC2uhHVC7ANyrtkIY0bA=
@@ -10,8 +9,8 @@ github.com/algorand/go-sumhash v0.1.0 h1:b/QRhyLuF//vOcicBIxBXYW8bERNoeLxieht/dU
 github.com/algorand/go-sumhash v0.1.0/go.mod h1:OOe7jdDWUhLkuP1XytkK5gnLu9entAviN5DfDZh6XAc=
 github.com/algorand/graphtrace v0.1.0 h1:QemP1iT0W56SExD0NfiU6rsG34/v0Je6bg5UZnptEUM=
 github.com/algorand/graphtrace v0.1.0/go.mod h1:HscLQrzBdH1BH+5oehs3ICd8SYcXvnSL9BjfTu8WHCc=
-github.com/algorand/msgp v1.1.50 h1:Mvsjs5LCE6HsXXbwJXD8ol1Y+c+QMoFNM4j0CY+mFGo=
-github.com/algorand/msgp v1.1.50/go.mod h1:R5sJrW9krk4YwNo+rs82Kq6V55q/zNgACwWqt3sQBM4=
+github.com/algorand/msgp v1.1.51 h1:0Z8qXlSPMPmODjpqzvIhBENrbLcrf1eJPRnKgLlrcxM=
+github.com/algorand/msgp v1.1.51/go.mod h1:5K3d58/poT5fPmtiwuQft6GjgSrVEM46KoXdLrID8ZU=
 github.com/algorand/oapi-codegen v1.3.7 h1:TdXeGljgrnLXSCGPdeY6g6+i/G0Rr5CkjBgUJY6ht48=
 github.com/algorand/oapi-codegen v1.3.7/go.mod h1:UvOtAiP3hc0M2GUKBnZVTjLe3HKGDKh6y9rs3e3JyOg=
 github.com/algorand/websocket v1.4.5 h1:Cs6UTaCReAl02evYxmN8k57cNHmBILRcspfSxYg4AJE=
@@ -75,8 +74,8 @@ github.com/karalabe/usb v0.0.2 h1:M6QQBNxF+CQ8OFvxrT90BA0qBOXymndZnk5q235mFc4=
 github.com/karalabe/usb v0.0.2/go.mod h1:Od972xHfMJowv7NGVDiWVxk2zxnWgjLlJzE+F4F7AGU=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/labstack/echo/v4 v4.1.16/go.mod h1:awO+5TzAjvL8XpibdsfXxPgHr+orhtXZJZIQCVjogKI=
 github.com/labstack/echo/v4 v4.1.17 h1:PQIBaRplyRy3OjwILGkPg89JRtH2x5bssi59G2EL3fo=
 github.com/labstack/echo/v4 v4.1.17/go.mod h1:Tn2yRQL/UclUalpb5rPdXDevbkJ+lp/2svdyFBg6CHQ=
@@ -127,7 +126,6 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/ttacon/chalk v0.0.0-20160626202418-22c06c80ed31/go.mod h1:onvgF043R+lC5RZ8IT9rBXDaEDnpnw/Cl+HFiw+v/7Q=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
@@ -175,8 +173,9 @@ golang.org/x/sys v0.0.0-20200826173525-f9321e4c35a6/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 h1:id054HUawV2/6IGm2IV8KZQjqtwAOo2CYlOToYqa0d0=
 golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e h1:fLOSk5Q00efkSvAm+4xcoXD+RRmLmmulPn5I3Y9F2EM=
+golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -209,5 +208,5 @@ gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/ledger/ledgercore/msgp_gen_test.go b/ledger/ledgercore/msgp_gen_test.go
diff --git a/ledger/msgp_gen_test.go b/ledger/msgp_gen_test.go
diff --git a/libgoal/lockedFileLinux.go b/libgoal/lockedFileLinux.go
@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with go-algorand.  If not, see <https://www.gnu.org/licenses/>.
 
+//go:build linux
 // +build linux
 
 package libgoal

diff --git a/libgoal/lockedFileUnix.go b/libgoal/lockedFileUnix.go
@@ -17,6 +17,7 @@
 // Support all unix system except linux
 // in https://github.com/golang/sys/blob/master/unix/syscall_unix.go
 
+//go:build aix || darwin || dragonfly || freebsd || netbsd || openbsd || solaris
 // +build aix darwin dragonfly freebsd netbsd openbsd solaris
 
 package libgoal

diff --git a/libgoal/lockedFileWindows.go b/libgoal/lockedFileWindows.go
@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with go-algorand.  If not, see <https://www.gnu.org/licenses/>.
 
+//go:build windows
 // +build windows
 
 package libgoal

diff --git a/network/messagetracer/graphtrace.go b/network/messagetracer/graphtrace.go
@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with go-algorand.  If not, see <https://www.gnu.org/licenses/>.
 //
+//go:build msgtrace
 // +build msgtrace
 
 package messagetracer

diff --git a/node/msgp_gen_test.go b/node/msgp_gen_test.go