mirror of
https://github.com/logos-messaging/go-multiaddr.git
synced 2026-01-02 21:13:12 +00:00
c90ef4472f
This commit changes the struct to a new Multiaddr interface:
```Go
type Multiaddr interface {
Equal(Multiaddr) bool
Bytes() []byte
String() string
Protocols() []*Protocol
Encapsulate(Multiaddr) Multiaddr
Decapsulate(Multiaddr) Multiaddr
}
```
This means a few things have changed:
- use Multiaddr interface, struct not exported
- Bytes returns a copy of the internal bytes
- Some methods no longer return errors (catch errors in NewMultiaddr)
- String (panics if malformed)
- Protocols (panics if malformed)
- Decapsulate (no-op if not prefix)
- Moved net-specific functions to package
- Multiaddr.DialArgs() -> DialArgs(Multiaddr)
- Multiaddr.IsThinWaist() -> IsThinWaist(Multiaddr)
cc @whyrusleeping @perfmode
132 lines
2.5 KiB
Go
132 lines
2.5 KiB
Go
package multiaddr
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import (
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"bytes"
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"encoding/hex"
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"testing"
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)
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func newMultiaddr(t *testing.T, a string) Multiaddr {
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m, err := NewMultiaddr(a)
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if err != nil {
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t.Error(err)
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}
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return m
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}
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func TestEqual(t *testing.T) {
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m1 := newMultiaddr(t, "/ip4/127.0.0.1/udp/1234")
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m2 := newMultiaddr(t, "/ip4/127.0.0.1/tcp/1234")
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m3 := newMultiaddr(t, "/ip4/127.0.0.1/tcp/1234")
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if m1.Equal(m2) {
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t.Error("should not be equal")
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}
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if m2.Equal(m1) {
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t.Error("should not be equal")
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}
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if !m2.Equal(m3) {
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t.Error("should be equal")
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}
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if !m3.Equal(m2) {
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t.Error("should be equal")
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}
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if !m1.Equal(m1) {
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t.Error("should be equal")
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}
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}
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func TestStringToBytes(t *testing.T) {
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testString := func(s string, h string) {
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b1, err := hex.DecodeString(h)
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if err != nil {
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t.Error("failed to decode hex", h)
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}
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b2, err := stringToBytes(s)
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if err != nil {
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t.Error("failed to convert", s)
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}
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if !bytes.Equal(b1, b2) {
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t.Error("failed to convert", s, "to", b1, "got", b2)
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}
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}
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testString("/ip4/127.0.0.1/udp/1234", "047f0000011104d2")
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}
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func TestBytesToString(t *testing.T) {
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testString := func(s1 string, h string) {
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b, err := hex.DecodeString(h)
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if err != nil {
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t.Error("failed to decode hex", h)
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}
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s2, err := bytesToString(b)
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if err != nil {
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t.Error("failed to convert", b)
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}
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if s1 != s2 {
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t.Error("failed to convert", b, "to", s1, "got", s2)
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}
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}
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testString("/ip4/127.0.0.1/udp/1234", "047f0000011104d2")
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}
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func TestProtocols(t *testing.T) {
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m, err := NewMultiaddr("/ip4/127.0.0.1/udp/1234")
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if err != nil {
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t.Error("failed to construct", "/ip4/127.0.0.1/udp/1234")
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}
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ps := m.Protocols()
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if ps[0] != ProtocolWithName("ip4") {
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t.Error(ps[0], ProtocolWithName("ip4"))
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t.Error("failed to get ip4 protocol")
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}
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if ps[1] != ProtocolWithName("udp") {
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t.Error(ps[1], ProtocolWithName("udp"))
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t.Error("failed to get udp protocol")
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}
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}
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func TestEncapsulate(t *testing.T) {
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m, err := NewMultiaddr("/ip4/127.0.0.1/udp/1234")
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if err != nil {
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t.Error(err)
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}
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m2, err := NewMultiaddr("/udp/5678")
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if err != nil {
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t.Error(err)
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}
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b := m.Encapsulate(m2)
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if s := b.String(); s != "/ip4/127.0.0.1/udp/1234/udp/5678" {
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t.Error("encapsulate /ip4/127.0.0.1/udp/1234/udp/5678 failed.", s)
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}
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m3, _ := NewMultiaddr("/udp/5678")
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c := b.Decapsulate(m3)
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if s := c.String(); s != "/ip4/127.0.0.1/udp/1234" {
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t.Error("decapsulate /udp failed.", "/ip4/127.0.0.1/udp/1234", s)
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}
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m4, _ := NewMultiaddr("/ip4/127.0.0.1")
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d := c.Decapsulate(m4)
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if s := d.String(); s != "" {
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t.Error("decapsulate /ip4 failed.", "/", s)
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}
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}
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