continuum - P2P replicated document storage service

	Commit message (Collapse)	Author	Age	Files	Lines
*	add disk I/O stats	tv	27 hours	6	-27/+138
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*	add possibility to start with a document	tv	28 hours	4	-13/+163
\| \| \| \|	The --recover-from option allows a node start with a given document.
*	add state file	tv	29 hours	7	-4/+266
\| \| \| \| \|	This allows storing the swarm ID and additionally discovered seeds, which prevents a formerly genesis node to start a new document.
*	put swarm ID into the document	tv	29 hours	4	-6/+27
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*	add genesis flag and never give up	tv	29 hours	3	-76/+112
\| \| \| \| \| \| \| \| \|	The --genesis flag has been introduced to start with a new document. This prevents restarts to accidentally start with a new document and accept reads/writes, causing a second swarm to appear. Additionally, bootstrapping doesn't timeout anymore as that's of no use for nobody.
*	compact remake fixes base at the commit	tv	43 hours	5	-40/+138
\| \| \| \| \| \| \|	Instead of fixing base heads at when proposed, compact fixes them when committing. This shrinks the window where writes can be lost if their author restarts to the switch delay; during replace and import remakes writes can still be lost during the voting period.
*	fix wording around swarm key admission	tv	43 hours	2	-3/+3
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*	allow superseding expired remakes	tv	43 hours	4	-26/+279
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*	remake coordinators resume after restart	tv	44 hours	3	-5/+49
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*	don't commit expired remakes	tv	44 hours	1	-58/+93
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*	add votes register	tv	44 hours	8	-124/+507
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*	bound stable-hub degree	tv	45 hours	1	-4/+46
\| \| \| \| \| \|	Each stable member can be preferred at most by 4*k members. The budget is spent in key order, which is the same on every node, so the graph stays deterministic, symmetric and connected.
*	coalesce announcements	tv	45 hours	3	-2/+60
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*	cache heads	tv	45 hours	7	-24/+61
\| \| \| \|	To reduce the number of write locks, heads are now cached.
*	corroberate newer epochs	tv	45 hours	1	-11/+53
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*	follow and download from ready members only	tv	45 hours	3	-3/+29
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*	being caught up needs some heads	tv	46 hours	1	-5/+9
\| \| \| \| \| \| \| \| \| \| \|	A sync message from a ready peer only completes the initial sync if that peer has at least one head. A peer with an empty document can no longer make a joiner ready on an empty store: a misconfigured second swarm, or a genesis node in its first seconds. Effect on a brand-new swarm: a joiner now waits until the genesis node has registered itself in the member list, which happens within about 5 s of it becoming ready.
*	only protocol-writers may modify _continuum	tv	46 hours	6	-14/+63
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*	put remake content into blobs	tv	47 hours	15	-79/+319
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*	add chunked download and use it during rejoin	tv	2 days	15	-3/+844
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*	allow unsetting config options	tv	2 days	2	-46/+264
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*	add API and CLI to print effective config	tv	2 days	4	-2/+106
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*	add configuration files	tv	2 days	4	-107/+1261
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*	wire up --mycelium-tcp-listen-port	tv	2 days	1	-2/+5
\| \| \| \| \|	It wasn't used before, causing the supervised daemon to always pick a random one.
*	introduce majority voting on remakes	tv	2 days	7	-95/+406
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*	add electorate	tv	2 days	3	-8/+109
\| \| \| \| \|	For an upcoming change in remake coordination, nodes now maintain their self-assessed liveness in the document.
*	aliases are not in logs (fixup)	tv	2 days	2	-2/+2
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*	measure document saved-size only after changes	tv	2 days	2	-18/+43
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*	allow import remake using the raw document	tv	2 days	1	-6/+85
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*	add the import kind of remake	tv	2 days	3	-49/+200
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*	add endpoint to export the document	tv	2 days	3	-0/+88
\| \| \| \|	GET /admin/document to retrieve the automerge document.
*	add node aliases	tv	2 days	6	-11/+147
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*	expose stats for prometheus to scrape	tv	2 days	2	-7/+514
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*	add throughput stats	tv	2 days	8	-2/+231
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*	add propagation stats	tv	2 days	4	-1/+126
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*	add per peer incident stats	tv	2 days	4	-4/+52
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*	expose stats via the API	tv	2 days	2	-0/+136
\| \| \| \|	GET /admin/stats to retrieve all stats.
*	add swarm stats	tv	2 days	9	-1/+238
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*	add traffic counter	tv	2 days	9	-12/+270
\| \| \| \| \| \| \| \| \| \|	This introduces a new wrapper that counts messages and payload bytes per peer, split by kind (hello, helloReply, sync, ping, pong), each sent, received and refused. The traffic counter goes around the firewall, which means messages dropped outbound are still counted as sent, and messages dropped inbound don't count as received.
*	nodes prefer stable neighbours	tv	2 days	1	-10/+89
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*	assess swarm stability	tv	2 days	8	-11/+330
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*	record RTT sampling instant	tv	3 days	4	-30/+104
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*	prefer closer sources to catch up	tv	3 days	3	-3/+49
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*	record RTT from keepalive messages	tv	3 days	7	-20/+148
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*	pull missing changes	tv	3 days	7	-5/+162
\| \| \| \| \| \|	Nodes push changes to their neighbours but don't relay them directly. In a partial mesh, nodes can learn about missing changes via keepalive messages and can pull them from their neighbours.
*	find reachable neighbours	tv	3 days	3	-55/+162
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*	sync with neighbours	tv	3 days	6	-4/+171
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*	add neighbour graph	tv	3 days	2	-0/+180
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*	add member registry	tv	3 days	4	-1/+73
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*	use nonce in handshake	tv	3 days	5	-2/+39
\| \| \| \| \|	To prevent stale hello replies to cause joins and thus stale sessions, each run gets a random ID, which used as nonce in the handshake.