diff options
| -rw-r--r-- | bip-0155.mediawiki | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/bip-0155.mediawiki b/bip-0155.mediawiki index ba0c798..1364a3f 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== - -Send <code>addrv2</code> messages only, and exclusively, when the peer has a certain protocol version (or higher): -<source lang="c++"> -//! gossiping using `addrv2` messages starts with this version -static const int GOSSIP_ADDRV2_VERSION = 70016; -</source> -For older peers keep sending the legacy <code>addr</code> message, ignoring addresses with the newly introduced address types. +==Signaling support and compatibility== + +Introduce a new message type <code>sendaddrv2</code>. Sending such a message indicates that a node can understand and prefers to receive <code>addrv2</code> messages instead of <code>addr</code> messages. I.e. "Send me addrv2". + +<code>sendaddrv2</code> SHOULD be sent after receiving the <code>verack</code> message from the peer. + +For older peers, that did not emit <code>sendaddrv2</code>, keep sending the legacy <code>addr</code> message, ignoring addresses with the newly introduced address types. ==Reference implementation== |