fix(testutil): fix FreeTCPAddr localhost usage (#18996)

gluax · web-flow · commit 78ce70d4851c · 2024-01-10T08:54:32.000Z
diff --git a/testutil/network/util.go b/testutil/network/util.go
@@ -223,7 +223,7 @@ func writeFile(name, dir string, contents []byte) error {
 // Get a free address for a test CometBFT server
 // protocol is either tcp, http, etc
 func FreeTCPAddr() (addr, port string, closeFn func() error, err error) {
-	l, err := net.Listen("tcp", "localhost:0")
+	l, err := net.Listen("tcp", "127.0.0.1:0")
 	if err != nil {
 		return "", "", nil, err
 	}

Original file line number	Diff line number	Diff line change
`@@ -223,7 +223,7 @@ func writeFile(name, dir string, contents []byte) error {`
`223`	`223`	`// Get a free address for a test CometBFT server`
`224`	`224`	`// protocol is either tcp, http, etc`
`225`	`225`	`func FreeTCPAddr() (addr, port string, closeFn func() error, err error) {`
`226`		`- l, err := net.Listen("tcp", "localhost:0")`
	`226`	`+ l, err := net.Listen("tcp", "127.0.0.1:0")`
`227`	`227`	`if err != nil {`
`228`	`228`	`return "", "", nil, err`
`229`	`229`	`}`