mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-24 15:34:10 +03:00
389 lines
9.8 KiB
Plaintext
389 lines
9.8 KiB
Plaintext
:: btc-provider.hoon
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:: Proxy that serves a BTC full node and ElectRS address indexer
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::
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:: Subscriptions: none
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:: To Subscribers: /clients
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:: current connection state
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:: results/errors of RPC calls
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::
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:: Scrys
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:: x/is-whitelisted/SHIP: bool, whether ship is whitelisted
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::
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/- *bitcoin, json-rpc, *btc-provider
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/+ dbug, default-agent, bl=btc, groupl=group, resource
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~% %btc-provider-top ..part ~
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|%
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+$ card card:agent:gall
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+$ versioned-state
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$% state-0
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state-1
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state-2
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==
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::
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+$ state-0 [%0 =host-info =whitelist]
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+$ state-1 [%1 =host-info =whitelist timer=(unit @da)]
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+$ state-2 [%2 =host-info =whitelist timer=(unit @da) interval=@dr]
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--
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%- agent:dbug
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=| state-2
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=* state -
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^- agent:gall
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=<
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~% %btc-provider-agent ..send-status ~
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|_ =bowl:gall
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+* this .
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def ~(. (default-agent this %|) bowl)
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hc ~(. +> bowl)
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::
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++ on-init
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^- (quip card _this)
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=| wl=^whitelist
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:- ~
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%_ this
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host-info ['' connected=%.n %main block=0 clients=*(set ship)]
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whitelist wl(public %.n, kids %.n)
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timer ~
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interval ~m1
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==
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::
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++ on-save
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^- vase
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!>(state)
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::
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++ on-load
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|= old-state=vase
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^- (quip card _this)
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=/ old !<(versioned-state old-state)
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?- -.old
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%2
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[~ this(state old)]
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::
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%1
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`this(state [%2 host-info.old whitelist.old timer.old ~m1])
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::
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%0
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:_ this(state [%2 host-info.old whitelist.old ~ ~m1])
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?: =('' api-url.host-info.old) ~
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~[(start-ping-timer:hc ~s0)]
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==
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::
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++ on-poke
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~/ %on-poke
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|= [=mark =vase]
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^- (quip card _this)
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|^
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?> ?|((team:title our.bowl src.bowl) (is-client:hc src.bowl))
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=^ cards state
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?+ mark (on-poke:def mark vase)
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%btc-provider-command
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?> (team:title our.bowl src.bowl)
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(handle-command !<(command vase))
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::
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%btc-provider-action
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(handle-action !<(action vase))
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::
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%noun
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?. =(q.vase %kick-timer) `state
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:_ state(timer `now.bowl)
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:* (start-ping-timer ~s0)
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?~ timer ~
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[[%pass /block-time %arvo %b %rest u.timer] ~]
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==
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==
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[cards this]
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::
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++ handle-command
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|= comm=command
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^- (quip card _state)
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?- -.comm
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%set-credentials
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:_ %_ state
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host-info [api-url.comm %.n network.comm 0 *(set ship)]
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timer `now.bowl
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==
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:* (start-ping-timer:hc ~s0)
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?~ timer ~
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[[%pass /block-time %arvo %b %rest u.timer] ~]
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==
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::
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%add-whitelist
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:- ~
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?- -.wt.comm
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%public
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state(public.whitelist %.y)
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::
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%kids
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state(kids.whitelist %.y)
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::
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%users
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state(users.whitelist (~(uni in users.whitelist) users.wt.comm))
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::
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%groups
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state(groups.whitelist (~(uni in groups.whitelist) groups.wt.comm))
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==
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::
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%remove-whitelist
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=. state
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?- -.wt.comm
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%public
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state(public.whitelist %.n)
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::
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%kids
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state(kids.whitelist %.n)
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::
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%users
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state(users.whitelist (~(dif in users.whitelist) users.wt.comm))
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::
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%groups
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state(groups.whitelist (~(dif in groups.whitelist) groups.wt.comm))
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==
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clean-client-list
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::
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%set-interval
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`state(interval inte.comm)
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==
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::
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:: +clean-client-list: remove clients who are no longer whitelisted
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:: called after a whitelist change
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::
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++ clean-client-list
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^- (quip card _state)
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=/ to-kick=(set ship)
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%- silt
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%+ murn ~(tap in clients.host-info)
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|= c=ship ^- (unit ship)
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?:((is-whitelisted:hc c) ~ `c)
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:_ state(clients.host-info (~(dif in clients.host-info) to-kick))
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%+ turn ~(tap in to-kick)
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|=(c=ship [%give %kick ~[/clients] `c])
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::
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:: if not connected, only %ping action is allowed
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::
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++ handle-action
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|= act=action
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^- (quip card _state)
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:_ state
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?. ?|(connected.host-info ?=(%ping -.act))
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~[(send-update:hc [%| %not-connected 500])]
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:_ ~
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%+ req-card act
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^- action:rpc-types
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?- -.act
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%address-info [%get-address-info address.act]
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%tx-info [%get-tx-vals txid.act]
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%raw-tx [%get-raw-tx txid.act]
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%broadcast-tx [%broadcast-tx rawtx.act]
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%ping [%get-block-info ~]
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%block-info [%get-block-info block.act]
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==
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::
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++ req-card
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|= [act=action ract=action:rpc-types]
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=/ req=request:http
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(gen-request:bl host-info ract)
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[%pass (rpc-wire act) %arvo %i %request req *outbound-config:iris]
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::
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++ rpc-wire
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|= act=action
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^- wire
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/[-.act]/[(scot %ux (cut 3 [0 20] eny.bowl))]
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--
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::
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++ on-watch
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~/ %on-watch
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|= pax=path
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^- (quip card _this)
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:: checking provider permissions before trying to subscribe
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:: terrible hack until we have cross-ship scries
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::
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?: ?=([%permitted @ ~] pax)
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:_ this
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=/ jon=json
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%+ frond:enjs:format
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%'providerStatus'
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%- pairs:enjs:format
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:~ provider+s+(scot %p our.bowl)
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permitted+b+(is-whitelisted:hc src.bowl)
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==
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[%give %fact ~ %json !>(jon)]~
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::
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?> ?=([%clients *] pax)
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?. (is-whitelisted:hc src.bowl)
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~|("btc-provider: blocked client {<src.bowl>}" !!)
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~& > "btc-provider: accepted client {<src.bowl>}"
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`this(clients.host-info (~(put in clients.host-info) src.bowl))
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::
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++ on-arvo
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~/ %on-arvo
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|= [wir=wire =sign-arvo]
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|^
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^- (quip card _this)
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:: check for connectivity every 30 seconds
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::
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?: ?=([%ping-timer *] wir)
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`this
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?: ?=([%block-ping *] wir)
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:_ this(timer `(add now.bowl interval))
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:~ do-ping
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(start-ping-timer:hc interval)
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==
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=^ cards state
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?+ +<.sign-arvo (on-arvo:def wir sign-arvo)
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%http-response
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(handle-rpc-response wir client-response.sign-arvo)
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==
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[cards this]
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::
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++ do-ping
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^- card
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=/ act=action [%ping ~]
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:* %pass /ping/[(scot %da now.bowl)] %agent
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[our.bowl %btc-provider] %poke
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%btc-provider-action !>(act)
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==
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::
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:: Handles HTTP responses from RPC servers. Parses for errors,
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:: then handles response. For actions that require collating multiple
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:: RPC calls, uses req-card to call out to RPC again if more
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:: information is required.
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++ handle-rpc-response
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|= [=wire response=client-response:iris]
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^- (quip card _state)
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?. ?=(%finished -.response) `state
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=* status status-code.response-header.response
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:: handle error types: connection errors, RPC errors (in order)
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::
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=^ conn-err state
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(connection-error status)
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?^ conn-err
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:_ state(connected.host-info %.n)
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:~ (send-status:hc [%disconnected ~])
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(send-update:hc [%| u.conn-err])
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==
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::
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%+ handle-rpc-result wire
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%- parse-result:rpc:bl
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(get-rpc-response:bl response)
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::
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++ handle-rpc-result
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|= [=wire r=result:rpc-types]
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^- (quip card _state)
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?+ -.wire ~|("Unexpected HTTP response" !!)
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%address-info
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?> ?=([%get-address-info *] r)
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:_ state
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~[(send-update:hc [%.y %address-info +.r])]
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::
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%tx-info
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?> ?=([%get-tx-vals *] r)
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:_ state
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~[(send-update:hc [%.y %tx-info +.r])]
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::
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%raw-tx
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?> ?=([%get-raw-tx *] r)
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:_ state
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~[(send-update:hc [%.y %raw-tx +.r])]
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::
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%broadcast-tx
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?> ?=([%broadcast-tx *] r)
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:_ state
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~[(send-update:hc [%.y %broadcast-tx +.r])]
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::
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%ping
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?> ?=([%get-block-info *] r)
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:_ state(connected.host-info %.y, block.host-info block.r)
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:_ ~
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%- send-status:hc
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?: =(block.host-info block.r)
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[%connected network.host-info block.r fee.r]
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[%new-block network.host-info block.r fee.r blockhash.r blockfilter.r]
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::
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%block-info
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?> ?=([%get-block-info *] r)
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:_ state
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~[(send-update:hc [%.y %block-info network.host-info +.r])]
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==
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::
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++ connection-error
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|= status=@ud
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^- [(unit error) _state]
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?+ status [`[%rpc-error ~] state]
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%200 [~ state]
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%400 [`[%bad-request status] state]
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%401 [`[%no-auth status] state(connected.host-info %.n)]
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%502 [`[%not-connected status] state(connected.host-info %.n)]
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%504 [`[%not-connected status] state(connected.host-info %.n)]
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==
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--
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::
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++ on-peek
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~/ %on-peek
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|= pax=path
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^- (unit (unit cage))
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?+ pax (on-peek:def pax)
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[%x %is-whitelisted @t ~]
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``noun+!>((is-whitelisted:hc (ship (slav %p +>-.pax))))
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::
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[%x %is-client @t ~]
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``noun+!>((is-client:hc (ship (slav %p +>-.pax))))
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==
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::
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++ on-leave on-leave:def
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++ on-agent on-agent:def
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++ on-fail on-fail:def
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--
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:: helper core
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~% %btc-provider-helper ..card ~
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|_ =bowl:gall
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++ send-status
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|= =status
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^- card
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%- ?: ?=(%new-block -.status)
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~&(>> "%new-block: {<block.status>}" same)
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same
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[%give %fact ~[/clients] %btc-provider-status !>(status)]
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::
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++ send-update
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|= =update
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^- card
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=+ c=[%give %fact ~[/clients] %btc-provider-update !>(update)]
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?: ?=(%.y -.update)
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c
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~& >> "prov. err: {<p.update>}"
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c
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::
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++ is-whitelisted
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~/ %is-whitelisted
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|= user=ship
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^- ?
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|^
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?| public.whitelist
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=(our.bowl user)
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?&(kids.whitelist is-kid)
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(~(has in users.whitelist) user)
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in-group
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==
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::
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++ is-kid
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=(our.bowl (sein:title our.bowl now.bowl user))
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::
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++ in-group
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=/ gs ~(tap in groups.whitelist)
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|-
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?~ gs %.n
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?: (~(is-member groupl bowl) user i.gs)
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%.y
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$(gs t.gs)
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--
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::
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++ is-client
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|= user=ship
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^- ?
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(~(has in clients.host-info) user)
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::
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++ start-ping-timer
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|= interval=@dr
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^- card
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[%pass /block-ping %arvo %b %wait (add now.bowl interval)]
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--
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