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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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12
cmd/devp2p/discv4cmd.go
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@@ -286,7 +286,11 @@ func listen(ln *enode.LocalNode, addr string) *net.UDPConn {
}
usocket := socket.(*net.UDPConn)
uaddr := socket.LocalAddr().(*net.UDPAddr)
ln.SetFallbackIP(net.IP{127, 0, 0, 1})
if uaddr.IP.IsUnspecified() {
ln.SetFallbackIP(net.IP{127, 0, 0, 1})
} else {
ln.SetFallbackIP(uaddr.IP)
}
ln.SetFallbackUDP(uaddr.Port)
return usocket
}
@@ -294,7 +298,11 @@ func listen(ln *enode.LocalNode, addr string) *net.UDPConn {
func parseBootnodes(ctx *cli.Context) ([]*enode.Node, error) {
s := params.RinkebyBootnodes
if ctx.IsSet(bootnodesFlag.Name) {
s = strings.Split(ctx.String(bootnodesFlag.Name), ",")
input := ctx.String(bootnodesFlag.Name)
if input == "" {
return nil, nil
}
s = strings.Split(input, ",")
}
nodes := make([]*enode.Node, len(s))
var err error