urbit/app/btc-wallet-hook.hoon
2021-05-26 18:30:12 -07:00

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:: btc-wallet-hook.hoon
::
:: Subscribes to:
:: btc-provider:
:: - connection status
:: - RPC call results/errors
::
:: btc-wallet-store
:: - requests for address info
:: - updates to existing address info
::
:: Sends updates to:
:: none
::
/- *btc, *btc-wallet-hook, bws=btc-wallet-store
/+ shoe, dbug, default-agent, bwsl=btc-wallet-store
|%
+$ versioned-state
$% state-0
==
:: provdider: maybe ship if provider is set
::
+$ state-0
$: %0
provider=(unit [host=ship works=?])
pend=back
fail=back
==
::
+$ card card:shoe
+$ command
$? %add-xpub
==
::
--
=| state-0
=* state -
%- agent:dbug
^- agent:gall
%- (agent:shoe command)
^- (shoe:shoe command)
=<
|_ =bowl:gall
+* this .
des ~(. (default:shoe this command) bowl)
def ~(. (default-agent this %|) bowl)
hc ~(. +> bowl)
::
++ command-parser command-parser:des
++ tab-list tab-list:des
++ can-connect can-connect:des
++ on-command on-command:des
++ on-connect on-connect:des
++ on-disconnect on-disconnect:des
::
++ on-init
^- (quip card _this)
~& > '%btc-wallet-hook initialized'
:_ this
:~ [%pass /r/[(scot %da now.bowl)] %agent [our.bowl %btc-wallet-store] %watch /requests]
[%pass /u/[(scot %da now.bowl)] %agent [our.bowl %btc-wallet-store] %watch /updates]
==
++ on-save
^- vase
!>(state)
++ on-load
|= old-state=vase
^- (quip card _this)
~& > '%btc-wallet-hook recompiled'
`this(state !<(versioned-state old-state))
++ on-poke
|= [=mark =vase]
^- (quip card _this)
=^ cards state
?+ mark (on-poke:def mark vase)
%btc-wallet-hook-action
(handle-action:hc !<(action vase))
==
[cards this]
::
++ on-watch on-watch:def
++ on-leave on-leave:def
++ on-peek on-peek:def
++ on-agent
|= [=wire =sign:agent:gall]
|^ ^- (quip card _this)
?+ -.sign (on-agent:def wire sign)
%watch-ack
?: ?=(%set-provider -.wire)
handle-provider-ack
`this
%fact
=^ cards state
?+ p.cage.sign `state
%btc-provider-response
`state
%btc-wallet-store-request
(handle-request:hc !<(request:bws q.cage.sign))
==
[cards this]
==
++ handlle-provider-ack
?^ p.sign
`this(provider ~)
:: - positive ack: check whether it's our current provider, then set connected to true. Retry items in pend/fail
--
++ on-arvo on-arvo:def
++ on-fail on-fail:def
--
|_ =bowl:gall
++ handle-command
|= comm=command
^- (quip card _state)
~& > comm
`state
:: set-provider algo:
:: - add provider, connected false
:: - on negative ack: delete the provider
::
++ handle-action
|= act=action
^- (quip card _state)
?- -.act
%set-provider
=* sub-card
[%pass /set-prov %agent [provider.act %btc-provider] %watch /clients]
:_ state
?~ provider ~[sub-card]
:~ [%pass /leave-prov %agent [host.u.provider %btc-provider] %leave ~]
sub-card
==
==
++ handle-request
|= req=request:bws
^- (quip card _state)
?- -.req
%scan-address
?~ provider
~|("provider not set" !!)
=/ ri=req-id (hash-xpub:bwsl +>.req)
:- ~[(get-address-info host.u.provider a.req)]
state(pend (~(put by pend) ri +>.req))
==
::
++ get-address-info
|= [host=ship a=address] ^- card
:* %pass /[(scot %da now.bowl)] %agent [host %btc-provider]
%poke %btc-provider-action !>([%get-address-info a])
==
--