Drop peers when rate limit is exceeded

[adambabik]

No description provided.

[ghost]

Pull Request Checklist

• Have you updated the documentation, if impacted (e.g. docs.status.im)?

[status-im-auto]

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❔	Commit	#️⃣	Finished (UTC)	Duration	Platform	Result
✔️	284d42c	#1	2019-12-14 11:55:46	~3 min	linux	📦zip
❌	284d42c	#1	2019-12-14 12:04:31	~12 min	ios	📄log
❌	284d42c	#1	2019-12-14 12:10:04	~17 min	android	📄log
❌	284d42c	#2	2019-12-15 22:01:38	~2 min	ios	📄log
❌	284d42c	#2	2019-12-15 22:02:13	~2 min	android	📄log
❌	c9f9445	#3	2019-12-15 22:03:43	~25 sec	ios	📄log
✔️	c9f9445	#2	2019-12-15 22:04:13	~54 sec	linux	📦zip
❌	c9f9445	#3	2019-12-15 22:05:05	~1 min	android	📄log

❔	Commit	#️⃣	Finished (UTC)	Duration	Platform	Result
✔️	48671b6	#3	2019-12-15 22:06:07	~35 sec	linux	📦zip
✔️	48671b6	#4	2019-12-15 22:09:25	~3 min	ios	📦zip
✔️	48671b6	#4	2019-12-15 22:13:13	~7 min	android	📦aar
✔️	7c6f153	#4	2019-12-16 14:46:55	~54 sec	linux	📦zip
✔️	7c6f153	#5	2019-12-16 14:49:25	~3 min	ios	📦zip
✔️	7c6f153	#5	2019-12-16 14:52:53	~6 min	android	📦aar

[oskarth]

@adambabik do we have any data on how rate limiting limits behave in practice?

[adambabik]

@oskarth we have some numbers from the eth.test. Not sure about what you ask specifically. Generally, I imagine that at some point we will gradually introduce rate limiting for nodes and mobile clients to find the optimal configuration. This PR adds a capability, the configuration is dynamic per node.