27 lines
559 B
Go
27 lines
559 B
Go
package server
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import (
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"fmt"
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"net"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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)
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// Get a free address for a test tendermint server
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// protocol is either tcp, http, etc
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func FreeTCPAddr() (addr, port string, err error) {
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l, err := net.Listen("tcp", "localhost:0")
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if err != nil {
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return "", "", err
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}
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if err := l.Close(); err != nil {
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return "", "", sdkerrors.Wrap(err, "couldn't close the listener")
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}
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portI := l.Addr().(*net.TCPAddr).Port
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port = fmt.Sprintf("%d", portI)
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addr = fmt.Sprintf("tcp://0.0.0.0:%s", port)
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return
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}
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