shrub/pkg/arvo/sur/eth-watcher.hoon

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:: eth-watcher: ethereum event log collector
::
=, able:jael
|%
+$ config
$: url=@ta
refresh-rate=@dr
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from=number:block
contracts=(list address:ethereum)
=topics
==
::
+$ loglist (list event-log:rpc:ethereum)
+$ topics (list ?(@ux (list @ux)))
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+$ watchpup
$: config
=number:block
=pending-logs
blocks=(list block)
==
::
:: disavows: newest block first
+$ disavows (list id:block)
+$ pending-logs (map number:block loglist)
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::
+$ poke
$% :: %watch: configure a watchdog and fetch initial logs
::
[%watch =path =config]
:: %clear: remove a watchdog
::
[%clear =path]
==
::
+$ diff
$% :: %history: full event log history, oldest first
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::
[%history =loglist]
:: %log: newly added log
::
[%log =event-log:rpc:ethereum]
:: %disavow: forget logs
::
:: this is sent when a reorg happens that invalidates
:: previously-sent logs
::
[%disavow =id:block]
==
--