git ssb - use minimum value of asserted/received for asserted timestamp

messages can’t be written before they were received!

stops the case where incorrectly set clocks cause messages to get stuck
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Matt McKegg committed on 12/12/2017, 1:55:44 AM
Parent: 802a60339e1acf7a9475055d8ad7c94155f24c36

emit-links.js	changed
index.js	changed

emit-links.jsView
		@@ -21,8 +21,9 @@
21	21 …	}
22	22 …	})
23	23 …	links.forEach(link => {
24	24 …	emit(extend(msg, {
	25 …	+ rts: resolveTimestamp(msg),
25	26 …	dest: link
26	27 …	}))
27	28 …	})
28	29 …	}
		@@ -30,8 +31,17 @@
30	31 …	function isChannel (value) {
31	32 …	return typeof value === 'string' && value.length < 30 && matchChannel.test(value)
32	33 …	}
33	34 …
	35 …	+function resolveTimestamp (msg) {
	36 …	+ if (!msg \|\| !msg.value \|\| !msg.value.timestamp) return
	37 …	+ if (msg.timestamp) {
	38 …	+ return Math.min(msg.timestamp, msg.value.timestamp)
	39 …	+ } else {
	40 …	+ return msg.value.timestamp
	41 …	+ }
	42 …	+}
	43 …	+
34	44 …	function walk (obj, fn, prefix) {
35	45 …	if (obj && typeof obj === 'object') {
36	46 …	for (var k in obj) {
37	47 …	walk(obj[k], fn, (prefix \|\| []).concat(k))

index.jsView
		@@ -4,13 +4,13 @@
4	4 …	var emitLinks = require('./emit-links')
WritePreview
5	5 …
6	6 …	var indexes = [
7	7 …	{ key: 'DTS', value: [['dest'], ['timestamp']] },
8		- { key: 'DTA', value: [['dest'], ['value', 'timestamp']] }, // asserted timestamp
9		- { key: 'TDT', value: [['value', 'content', 'type'], ['dest'], ['value', 'timestamp']] }
	8 …	+ { key: 'DTA', value: [['dest'], ['rts']] }, // asserted timestamp
	9 …	+ { key: 'TDT', value: [['value', 'content', 'type'], ['dest'], ['rts']] }
10	10 …	]
11	11 …
12		-var indexVersion = 5
	12 …	+var indexVersion = 6
13	13 …
14	14 …	exports.name = 'backlinks'
15	15 …	exports.version = require('./package.json').version
16	16 …	exports.manifest = {

Matt McKegg / ssb-backlinks