diff --git a/bip-0155.mediawiki b/bip-0155.mediawiki index ba0c7980..1364a3f4 100644 --- a/bip-0155.mediawiki +++ b/bip-0155.mediawiki @@ -130,14 +130,13 @@ Clients SHOULD reject messages that contain addresses that have a different leng See the appendices for the address encodings to be used for the various networks. -==Compatibility== +==Signaling support and compatibility== -Send addrv2 messages only, and exclusively, when the peer has a certain protocol version (or higher): - -//! gossiping using `addrv2` messages starts with this version -static const int GOSSIP_ADDRV2_VERSION = 70016; - -For older peers keep sending the legacy addr message, ignoring addresses with the newly introduced address types. +Introduce a new message type sendaddrv2. Sending such a message indicates that a node can understand and prefers to receive addrv2 messages instead of addr messages. I.e. "Send me addrv2". + +sendaddrv2 SHOULD be sent after receiving the verack message from the peer. + +For older peers, that did not emit sendaddrv2, keep sending the legacy addr message, ignoring addresses with the newly introduced address types. ==Reference implementation==