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content - p2p - Sendcmpct message

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- Add details of `sendcmpct` including hex dump
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thephez 2018-04-19 13:02:23 -04:00
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21
_includes/devdoc/ref_p2p_networking.md
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@ -1356,15 +1356,22 @@ header has been omitted.)
{% autocrossref %}
The `sendcmpct` message tells the receiving peer to send new block
announcements using a `cmpctblock` message rather than an `inv` message.
The `sendcmpct` message tells the receiving peer whether or not to announce new
blocks using a `cmpctblock` message. It also sends the compact block protocol
version it supports.
<!--
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.
-->
| Bytes | Name | Data Type | Description
|----------|---------------|------------------|--------------
| 1 | announce | bool | 0 - Announce blocks via `headers` message or `inv` message<br>1 - Announce blocks via `cmpctblock` message
| 8 | version | uint64_t | The compact block protocol version number
**ADD FORMAT AND HEXDUMP**
The annotated hexdump below shows a `sendcmpct` message. (The message
header has been omitted.)
{% highlight text %}
01 ................................. Block announce type: Compact Blocks
0100000000000000 ................... Compact block version: 1
{% endhighlight %}
{% endautocrossref %}