[BIP37][]: • Added `filterload` message. • Added `filteradd` message. • Added `filterclear` message. • Added `merkleblock` message. • Added relay field to `version` message • Added `MSG_FILTERED_BLOCK` inventory type to `getdata` message.
| 60002 | Bitcoin Core 0.7.0 (Sep 2012) | [BIP35][]: • Added `mempool` message. • Extended `getdata` message to allow download of memory pool transactions
@@ -1211,6 +1212,19 @@ header has been omitted.)
{% endautocrossref %}
+#### SendHeaders
+{% include helpers/subhead-links.md %}
+
+{% autocrossref %}
+
+The `sendheaders` message tells the receiving peer to send new block
+announcements using a `headers` message rather than an `inv` message.
+
+There is no payload in a `sendheaders` message. See the [message header
+section][section message header] for an example of a message without a payload.
+
+{% endautocrossref %}
+
#### VerAck
{% include helpers/subhead-links.md %}
diff --git a/_includes/references.md b/_includes/references.md
index 528df1d5..78ed320e 100644
--- a/_includes/references.md
+++ b/_includes/references.md
@@ -175,6 +175,7 @@ http://opensource.org/licenses/MIT.
[ping message]: /en/developer-reference#ping "A P2P network message used to see if the remote host is still connected"
[pong message]: /en/developer-reference#pong "A P2P network message used to reply to a P2P network ping message"
[reject message]: /en/developer-reference#reject "A P2P network message used to indicate a previously-received message was rejected for some reason"
+[sendheaders message]: /en/developer-reference#sendheaders "A P2P network message used to request new blocks be announced through headers messages rather than inv messages"
[tx message]: /en/developer-reference#tx "A P2P protocol message which sends a single serialized transaction"
[verack message]: /en/developer-reference#verack "A P2P network message sent in reply to a version message to confirm a connection has been established"
[version message]: /en/developer-reference#version "A P2P network message sent at the begining of a connection to allow protocol version negotiation"
@@ -287,6 +288,7 @@ http://opensource.org/licenses/MIT.
[BIP70]: https://github.com/bitcoin/bips/blob/master/bip-0070.mediawiki
[BIP71]: https://github.com/bitcoin/bips/blob/master/bip-0071.mediawiki
[BIP72]: https://github.com/bitcoin/bips/blob/master/bip-0072.mediawiki
+[BIP130]: https://github.com/bitcoin/bips/blob/master/bip-0130.mediawiki
[CVE-2012-2459]: https://en.bitcoin.it/wiki/CVEs#CVE-2012-2459
[RFC5737]: http://tools.ietf.org/html/rfc5737
[secp256k1]: http://www.secg.org/sec2-v2.pdf
diff --git a/img/dev/en-p2p-control-messages.dot b/img/dev/en-p2p-control-messages.dot
index 0591c062..ddb35231 100644
--- a/img/dev/en-p2p-control-messages.dot
+++ b/img/dev/en-p2p-control-messages.dot
@@ -17,6 +17,7 @@ getaddr -> addr;
filterload -> filteradd;
filterload -> filterclear;
alert;
+sendheaders;
ERROR [ style = "invis" ];
ERROR -> reject [ style = "invis" ];
diff --git a/img/dev/en-p2p-control-messages.png b/img/dev/en-p2p-control-messages.png
index 16ece34d..f9b69d2c 100644
Binary files a/img/dev/en-p2p-control-messages.png and b/img/dev/en-p2p-control-messages.png differ
diff --git a/img/dev/en-p2p-control-messages.svg b/img/dev/en-p2p-control-messages.svg
index 22ebf677..eab70122 100644
--- a/img/dev/en-p2p-control-messages.svg
+++ b/img/dev/en-p2p-control-messages.svg
@@ -1,91 +1,96 @@
-
-
-