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p2p/discover: implement v5.1 wire protocol (#21647)

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This change implements the Discovery v5.1 wire protocol and
also adds an interactive test suite for this protocol.
This commit is contained in:
Felix Lange
2020-10-14 12:28:17 +02:00
committed by GitHub
parent 4eb01b21c8
commit 524aaf5ec6
24 changed files with 3236 additions and 1427 deletions
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6
p2p/discover/table_util_test.go
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@ -146,7 +146,6 @@ func (t *pingRecorder) updateRecord(n *enode.Node) {
func (t *pingRecorder) Self() *enode.Node { return nullNode }
func (t *pingRecorder) lookupSelf() []*enode.Node { return nil }
func (t *pingRecorder) lookupRandom() []*enode.Node { return nil }
func (t *pingRecorder) close() {}
// ping simulates a ping request.
func (t *pingRecorder) ping(n *enode.Node) (seq uint64, err error) {
@ -188,15 +187,16 @@ func hasDuplicates(slice []*node) bool {
return false
}
// checkNodesEqual checks whether the two given node lists contain the same nodes.
func checkNodesEqual(got, want []*enode.Node) error {
if len(got) == len(want) {
for i := range got {
if !nodeEqual(got[i], want[i]) {
goto NotEqual
}
return nil
}
}
return nil
NotEqual:
output := new(bytes.Buffer)
@ -227,6 +227,7 @@ func sortedByDistanceTo(distbase enode.ID, slice []*node) bool {
})
}
// hexEncPrivkey decodes h as a private key.
func hexEncPrivkey(h string) *ecdsa.PrivateKey {
b, err := hex.DecodeString(h)
if err != nil {
@ -239,6 +240,7 @@ func hexEncPrivkey(h string) *ecdsa.PrivateKey {
return key
}
// hexEncPubkey decodes h as a public key.
func hexEncPubkey(h string) (ret encPubkey) {
b, err := hex.DecodeString(h)
if err != nil {