cosmos-sdk/server/test_helpers.go

31 lines
521 B
Go

package server
import (
"fmt"
"net"
)
// Get a free address for a test tendermint server
// protocol is either tcp, http, etc
func FreeTCPAddr() (addr, port string, err error) {
l, err := net.Listen("tcp", "localhost:0")
if err != nil {
return "", "", err
}
closer := func() {
err := l.Close()
if err != nil {
// TODO: Handle with #870
panic(err)
}
}
defer closer()
portI := l.Addr().(*net.TCPAddr).Port
port = fmt.Sprintf("%d", portI)
addr = fmt.Sprintf("tcp://0.0.0.0:%s", port)
return
}