mirror of
https://github.com/ilyakooo0/urbit.git
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612 lines
15 KiB
Plaintext
612 lines
15 KiB
Plaintext
:: eth-watcher: ethereum event log collector
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::
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/- *eth-watcher, spider
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/+ ethereum, default-agent, verb, dbug
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=, ethereum-types
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=, jael
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::
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=> |%
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+$ card card:agent:gall
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+$ app-state
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$: %6
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dogs=(map path watchdog)
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==
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::
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+$ context [=path dog=watchdog]
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+$ watchdog
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$: config
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running=(unit [since=@da =tid:spider])
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=number:block
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=pending-logs
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=history
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blocks=(list block)
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==
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::
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:: history: newest block first, oldest event first
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+$ history (list loglist)
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--
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::
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:: Helpers
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::
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=> |%
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++ wait
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|= [=path now=@da time=@dr]
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^- card
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[%pass [%timer path] %arvo %b %wait (add now time)]
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::
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++ wait-shortcut
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|= [=path now=@da]
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^- card
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[%pass [%timer path] %arvo %b %wait now]
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::
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++ poke-spider
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|= [=path our=@p =cage]
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^- card
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[%pass [%running path] %agent [our %spider] %poke cage]
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::
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++ watch-spider
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|= [=path our=@p =sub=path]
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^- card
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[%pass [%running path] %agent [our %spider] %watch sub-path]
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::
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++ leave-spider
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|= [=path our=@p]
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^- card
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[%pass [%running path] %agent [our %spider] %leave ~]
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--
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::
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:: Main
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::
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%- agent:dbug
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^- agent:gall
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=| state=app-state
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%+ verb |
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|_ =bowl:gall
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+* this .
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def ~(. (default-agent this %|) bowl)
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bec byk.bowl(r da+now.bowl)
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::
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++ on-init
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^- (quip card _this)
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[~ this]
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::
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++ on-save !>(state)
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++ on-load
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|= old=vase
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|^
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=+ !<(old-state=app-states old)
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=? old-state ?=(%0 -.old-state)
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%- (slog leaf+"upgrading eth-watcher from %0" ~)
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^- app-state-1
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%= old-state
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- %1
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dogs
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%- ~(run by dogs.old-state)
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|= dog=watchdog-0
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%= dog
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-> [~m5 ->.dog]
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==
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==
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::
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=^ cards-1=(list card) old-state
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?. ?=(%1 -.old-state)
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`old-state
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%- (slog leaf+"upgrading eth-watcher from %1" ~)
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:_ old-state(- %2)
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%+ turn ~(tap by dogs.old-state)
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|= [=path dog=watchdog-1]
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(wait-shortcut path now.bowl)
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::
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=? old-state ?=(%2 -.old-state)
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%- (slog leaf+"upgrading eth-watcher from %2" ~)
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^- app-state-3
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%= old-state
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- %3
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dogs
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%- ~(run by dogs.old-state)
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|= dog=watchdog-1
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%= dog
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-> [| ->.dog]
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==
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==
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::
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=? old-state ?=(%3 -.old-state)
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%- (slog leaf+"upgrading eth-watcher from %3" ~)
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^- app-state-4
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%= old-state
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- %4
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dogs
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%- ~(run by dogs.old-state)
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|= dog=watchdog-3
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^- watchdog-4
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%= dog
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-
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^- config-4
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=, -.dog
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[url eager refresh-rate (mul refresh-rate 6) from contracts topics]
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::
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running
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?~ running.dog ~
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`[now.bowl u.running.dog]
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==
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==
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::
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=? old-state ?=(%4 -.old-state)
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%- (slog leaf+"upgrading eth-watcher from %4" ~)
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^- app-state-5
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%= old-state
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- %5
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dogs
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%- ~(run by dogs.old-state)
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|= dog=watchdog-4
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^- watchdog-5
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%= dog
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-
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^- config-5
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=, -.dog
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[url eager refresh-rate timeout-time from contracts ~ topics]
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::
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pending-logs-4
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%- ~(run by pending-logs-4.dog)
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|= =loglist-4
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%+ turn loglist-4
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|= =event-log-4
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event-log-4(mined ?~(mined.event-log-4 ~ `mined.event-log-4))
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::
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history-4
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%+ turn history-4.dog
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|= =loglist-4
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%+ turn loglist-4
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|= =event-log-4
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event-log-4(mined ?~(mined.event-log-4 ~ `mined.event-log-4))
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==
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==
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::
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=? old-state ?=(%5 -.old-state)
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^- app-state
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%= old-state
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- %6
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dogs
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%- ~(run by dogs.old-state)
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|= dog=watchdog-5
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^- watchdog
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%= dog
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-
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^- config
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=, -.dog
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[url eager refresh-rate timeout-time from ~ contracts batchers topics]
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::
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running
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?~ running.dog ~
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`[now.bowl tid.u.running.dog]
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==
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==
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::
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[cards-1 this(state ?>(?=(%6 -.old-state) old-state))]
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::
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+$ app-states
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$%(app-state-0 app-state-1 app-state-2 app-state-3 app-state-4 app-state-5 app-state)
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::
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+$ app-state-5
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$: %5
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dogs=(map path watchdog-5)
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==
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::
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+$ watchdog-5
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$: config-5
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running=(unit [since=@da =tid:spider])
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=number:block
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=pending-logs
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=history
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blocks=(list block)
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==
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::
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+$ config-5
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$: url=@ta
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eager=?
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refresh-rate=@dr
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timeout-time=@dr
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from=number:block
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contracts=(list address:ethereum)
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batchers=(list address:ethereum)
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=topics
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==
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::
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+$ app-state-4
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$: %4
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dogs=(map path watchdog-4)
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==
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::
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+$ watchdog-4
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$: config-4
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running=(unit [since=@da =tid:spider])
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=number:block
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=pending-logs-4
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=history-4
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blocks=(list block)
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==
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::
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+$ config-4
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$: url=@ta
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eager=?
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refresh-rate=@dr
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timeout-time=@dr
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from=number:block
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contracts=(list address:ethereum)
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=topics
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==
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+$ pending-logs-4 (map number:block loglist-4)
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+$ history-4 (list loglist-4)
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+$ loglist-4 (list event-log-4)
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+$ event-log-4
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$: $= mined %- unit
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$: log-index=@ud
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transaction-index=@ud
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transaction-hash=@ux
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block-number=@ud
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block-hash=@ux
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removed=?
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==
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::
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address=@ux
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data=@t
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topics=(lest @ux)
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==
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::
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+$ app-state-3
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$: %3
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dogs=(map path watchdog-3)
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==
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::
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+$ watchdog-3
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$: config-3
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running=(unit =tid:spider)
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=number:block
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=pending-logs-4
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=history-4
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blocks=(list block)
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==
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::
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+$ config-3
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$: url=@ta
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eager=?
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refresh-rate=@dr
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from=number:block
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contracts=(list address:ethereum)
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=topics
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==
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::
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+$ app-state-2
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$: %2
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dogs=(map path watchdog-1)
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==
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::
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+$ app-state-1
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$: %1
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dogs=(map path watchdog-1)
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==
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::
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+$ watchdog-1
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$: config-1
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running=(unit =tid:spider)
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=number:block
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=pending-logs-4
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=history-4
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blocks=(list block)
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==
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::
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+$ config-1
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$: url=@ta
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refresh-rate=@dr
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from=number:block
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contracts=(list address:ethereum)
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=topics
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==
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::
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+$ app-state-0
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$: %0
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dogs=(map path watchdog-0)
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==
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::
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+$ watchdog-0
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$: config-0
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running=(unit =tid:spider)
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=number:block
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=pending-logs-4
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=history-4
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blocks=(list block)
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==
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::
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+$ config-0
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$: url=@ta
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from=number:block
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contracts=(list address:ethereum)
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=topics
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==
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--
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::
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++ on-poke
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|= [=mark =vase]
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?: ?=(%noun mark)
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~& state
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`this
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?. ?=(%eth-watcher-poke mark)
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(on-poke:def mark vase)
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::
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=+ !<(=poke vase)
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?- -.poke
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%watch
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:: fully restart the watchdog if it doesn't exist yet,
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:: or if result-altering parts of the config changed.
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=/ restart=?
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?| !(~(has by dogs.state) path.poke)
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?! .= ->+>+:(~(got by dogs.state) path.poke)
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+>+>.config.poke
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==
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::
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=/ already (~(has by dogs.state) path.poke)
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~? &(already restart)
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[dap.bowl 'overwriting existing watchdog on' path.poke]
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=/ wait-cards=(list card)
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?: already
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~
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[(wait-shortcut path.poke now.bowl) ~]
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::
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=/ restart-cards=(list card)
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=/ dog (~(get by dogs.state) path.poke)
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?. ?& restart
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?=(^ dog)
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?=(^ running.u.dog)
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==
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~
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=/ =cage [%spider-stop !>([tid.u.running.u.dog &])]
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:_ ~
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`card`[%pass [%starting path.poke] %agent [our.bowl %spider] %poke cage]
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=/ new-dog
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=/ dog=watchdog
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?: restart *watchdog
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(~(got by dogs.state) path.poke)
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=+ pending=(sort ~(tap in ~(key by pending-logs.dog)) lth)
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=? pending-logs.dog
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?: restart |
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?~ pending |
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(gte i.pending from.config.poke)
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?> ?=(^ pending)
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:: if there are pending logs newer than what we poke with,
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:: we need to clear those too avoid processing duplicates
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::
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~& %dropping-unreleased-logs^[from+i.pending n+(lent pending)]
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~
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%_ dog
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- config.poke
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number from.config.poke
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==
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=. dogs.state (~(put by dogs.state) path.poke new-dog)
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[(weld wait-cards restart-cards) this]
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::
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%clear
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=. dogs.state (~(del by dogs.state) path.poke)
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[~ this]
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==
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::
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:: +on-watch: subscribe & get initial subscription data
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::
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:: /logs/some-path:
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::
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++ on-watch
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|= =path
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^- (quip card agent:gall)
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?. ?=([%logs ^] path)
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~| [%invalid-subscription-path path]
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!!
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:_ this :_ ~
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:* %give %fact ~ %eth-watcher-diff !>
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:- %history
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^- loglist
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%- zing
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%- flop
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=< history
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(~(gut by dogs.state) t.path *watchdog)
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==
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::
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++ on-leave on-leave:def
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::
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:: +on-peek: get diagnostics data
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::
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:: /block/some-path: get next block number to check for /some-path
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::
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++ on-peek
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|= =path
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^- (unit (unit cage))
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?+ path ~
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[%x %block ^]
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?. (~(has by dogs.state) t.t.path) ~
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:+ ~ ~
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:- %atom
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!>(number:(~(got by dogs.state) t.t.path))
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::
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[%x %dogs ~]
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``noun+!>(~(key by dogs.state))
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::
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[%x %dogs %configs ~]
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``noun+!>((~(run by dogs.state) |=(=watchdog -.watchdog)))
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==
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::
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++ on-agent
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|= [=wire =sign:agent:gall]
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|^
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^- (quip card agent:gall)
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?. ?=([%running *] wire)
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(on-agent:def wire sign)
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?- -.sign
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%poke-ack
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?~ p.sign
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[~ this]
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%- (slog leaf+"eth-watcher couldn't start thread" u.p.sign)
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:_ (clear-running t.wire) :_ ~
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(leave-spider t.wire our.bowl)
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::
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%watch-ack
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?~ p.sign
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[~ this]
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%- (slog leaf+"eth-watcher couldn't start listening to thread" u.p.sign)
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:: TODO: kill thread that may have started, although it may not
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:: have started yet since we get this response before the
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:: %start-spider poke is processed
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::
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[~ (clear-running t.wire)]
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::
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%kick [~ (clear-running t.wire)]
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%fact
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=* path t.wire
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=/ dog (~(get by dogs.state) path)
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?~ dog
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[~ this]
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?+ p.cage.sign (on-agent:def wire sign)
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%thread-fail
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=+ !<([=term =tang] q.cage.sign)
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%- (slog leaf+"eth-watcher failed; will retry" leaf+<term> tang)
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[~ this(dogs.state (~(put by dogs.state) path u.dog(running ~)))]
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::
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%thread-done
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=+ !<([vows=disavows pup=watchpup] q.cage.sign)
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=. u.dog
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%_ u.dog
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- -.pup
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number number.pup
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blocks blocks.pup
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pending-logs pending-logs.pup
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==
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=^ cards-1 u.dog (disavow path u.dog vows)
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=^ cards-2 u.dog (release-logs path u.dog)
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=. dogs.state (~(put by dogs.state) path u.dog(running ~))
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[(weld cards-1 cards-2) this]
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==
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==
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::
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++ clear-running
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|= =path
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=/ dog (~(get by dogs.state) path)
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?~ dog
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this
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this(dogs.state (~(put by dogs.state) path u.dog(running ~)))
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::
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++ disavow
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|= [=path dog=watchdog vows=disavows]
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^- (quip card watchdog)
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=/ history-ids=(list [id:block loglist])
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%+ murn history.dog
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|= logs=loglist
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^- (unit [id:block loglist])
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?~ logs
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~
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`[[block-hash block-number]:(need mined.i.logs) logs]
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=/ actual-vows=disavows
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%+ skim vows
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|= =id:block
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(lien history-ids |=([=history=id:block *] =(id history-id)))
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=/ actual-history=history
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%+ murn history-ids
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|= [=id:block logs=loglist]
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^- (unit loglist)
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?: (lien actual-vows |=(=vow=id:block =(id vow-id)))
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~
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`logs
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:_ dog(history actual-history)
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%+ turn actual-vows
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|= =id:block
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[%give %fact [%logs path]~ %eth-watcher-diff !>([%disavow id])]
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::
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++ release-logs
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|= [=path dog=watchdog]
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^- (quip card watchdog)
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?: (lth number.dog 30)
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`dog
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=/ numbers=(list number:block) ~(tap in ~(key by pending-logs.dog))
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=. numbers (sort numbers lth)
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=^ logs=(list event-log:rpc:ethereum) dog
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|- ^- (quip event-log:rpc:ethereum watchdog)
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?~ numbers
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`dog
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=^ rel-logs-1 dog
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=/ =loglist (~(get ja pending-logs.dog) i.numbers)
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=. pending-logs.dog (~(del by pending-logs.dog) i.numbers)
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?~ loglist
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`dog
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=. history.dog [loglist history.dog]
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[loglist dog]
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=^ rel-logs-2 dog $(numbers t.numbers)
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[(weld rel-logs-1 rel-logs-2) dog]
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:_ dog
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?~ logs
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~
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^- (list card:agent:gall)
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[%give %fact [%logs path]~ %eth-watcher-diff !>([%logs logs])]~
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--
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::
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++ on-arvo
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|= [=wire =sign-arvo]
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^- (quip card agent:gall)
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?+ +<.sign-arvo ~|([%strange-sign-arvo -.sign-arvo] !!)
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%wake
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?. ?=([%timer *] wire) ~& weird-wire=wire [~ this]
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=* path t.wire
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|
?. (~(has by dogs.state) path)
|
|
[~ this]
|
|
=/ dog=watchdog
|
|
(~(got by dogs.state) path)
|
|
?^ error.sign-arvo
|
|
:: failed, try again. maybe should tell user if fails more than
|
|
:: 5 times.
|
|
::
|
|
%- (slog leaf+"eth-watcher failed; will retry" ~)
|
|
[[(wait path now.bowl refresh-rate.dog)]~ this]
|
|
:: maybe kill a timed-out update thread, maybe start a new one
|
|
::
|
|
=^ stop-cards=(list card) dog
|
|
:: if still running beyond timeout time, kill it
|
|
::
|
|
?. ?& ?=(^ running.dog)
|
|
::
|
|
%+ gth now.bowl
|
|
(add since.u.running.dog timeout-time.dog)
|
|
==
|
|
`dog
|
|
::
|
|
%- (slog leaf+"eth-watcher {(spud path)} timed out; will restart" ~)
|
|
=/ =cage [%spider-stop !>([tid.u.running.dog |])]
|
|
:_ dog(running ~)
|
|
:~ (leave-spider path our.bowl)
|
|
[%pass [%starting path] %agent [our.bowl %spider] %poke cage]
|
|
==
|
|
::
|
|
=^ start-cards=(list card) dog
|
|
:: if not (or no longer) running, start a new thread
|
|
::
|
|
?^ running.dog
|
|
`dog
|
|
:: if reached the to-block, don't start a new thread
|
|
::
|
|
?: ?& ?=(^ to.dog)
|
|
(gte number.dog u.to.dog)
|
|
==
|
|
`dog
|
|
::
|
|
=/ new-tid=@ta
|
|
(cat 3 'eth-watcher--' (scot %uv eny.bowl))
|
|
:_ dog(running `[now.bowl new-tid])
|
|
=/ args
|
|
:* ~ `new-tid bec %eth-watcher
|
|
!>([~ `watchpup`[- number pending-logs blocks]:dog])
|
|
==
|
|
:~ (watch-spider path our.bowl /thread-result/[new-tid])
|
|
(poke-spider path our.bowl %spider-start !>(args))
|
|
==
|
|
::
|
|
:- [(wait path now.bowl refresh-rate.dog) (weld stop-cards start-cards)]
|
|
this(dogs.state (~(put by dogs.state) path dog))
|
|
==
|
|
::
|
|
++ on-fail on-fail:def
|
|
--
|