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urbit/app/constitution.hoon

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/- constitution, ethereum, json-rpc
/+ constitution, ethereum
::TODO =, ethereum / constitution causes bail fail. find minimal repro
=> [. constitution ^constitution ethereum]
=, eyre
|%
++ state
$: ships=fleet
checking=(map @p hull)
dns=dnses
heard=events
latest-block=@ud :: last heard
filter=@ud :: our filter id
config=configuration
==
::
++ configuration
$: src=source
poll-time=@dr
==
::
++ source
$% [%ship who=@p]
[%rpc url=purl]
==
::
::
+= move [bone card] :: [target side-effect]
++ card :: side-effect
$% [%peer wire gill:gall path]
[%pull wire gill:gall ~]
[%diff %constitution-update update]
[%hiss wire (unit user:eyre) mark [%hiss hiss]]
[%wait wire @da]
==
--
::
|_ {bol=bowl:gall state}
::
++ prep
|= old=(unit state)
^- (quip move _+>)
:: ?~ old
ta-save:ta-init:ta
:: [~ ..prep(+<+ u.old)]
::
++ ta
|_ $: moves=(list move) :: side-effects
diffs=(jar [@ud @ud] diff-constitution) :: changes per event
reqs=(list (pair (unit @t) request)) :: rpc requests
wir=wire :: wire for reqs
==
::
++ ta-save
^- (quip move _+>)
:_ ..ta
=- (weld - (flop moves))
%+ weld
^- (list move)
?~ reqs ~
=- [ost.bol -]~
%+ rpc-request:ca wir
a+(turn (flop reqs) request-to-json)
^- (list move)
%- zing
%+ turn ~(tap by diffs)
|= [cause=[@ud @ud] dis=(list diff-constitution)]
=. dis (flop dis)
^- (list move)
%+ murn ~(tap by sup.bol)
|= [b=bone s=ship p=path]
^- (unit move)
?. ?=([%state *] p) ~
`[b (updates:ca cause dis)]
::
++ ta-move
|= mov=move
%_(+> moves [mov moves])
::
++ ta-moves
|= mos=(list move)
%_(+> moves (weld (flop mos) moves))
::
++ ta-card
|= car=card
(ta-move [ost.bol car])
::
++ ta-to-all
|= upd=update
%- ta-moves
%+ murn ~(tap by sup.bol)
|= [b=bone s=ship p=path]
^- (unit move)
?. ?=([%state *] p) ~
`[b %diff %constitution-update upd]
::
++ ta-change
|= [cause=[@ud @ud] dif=diff-constitution]
(da(diffs (~(add ja diffs) cause dif)) cause [dif]~)
::
++ ta-changes
|= [cause=[@ud @ud] dis=(list diff-constitution)]
=- (da(diffs -) cause dis)
%+ ~(put by diffs) cause
(weld (flop dis) (~(get ja diffs) cause))
::
++ ta-request
|= [id=(unit @t) req=request]
%_(+> reqs [[id req] reqs])
::
++ ta-request-single
|= [wir=wire id=(unit @t) req=request]
%- ta-card
%+ rpc-request:ca wir
(request-to-json id req)
::
++ ta-read
|= cal=ships:function
=+ (ships:function-to-call cal)
%+ ta-request `id
:+ %eth-call
[~ ships:contracts ~ ~ ~ (encode-call dat)]
::NOTE we can't make read calls to not the latest block. however,
:: you risk getting data that filter polling hasn't yet seen,
:: so probably kick the filter before doing any important reads.
[%label %latest]
::
++ ta-read-ships
|= who=(list @p)
?~ who +>
=. +> (ta-read %ships i.who)
$(who t.who)
::
++ ta-read-dns
=+ inx=(gulf 0 2)
|-
?~ inx ..ta-read-dns
=. ..ta-read-dns (ta-read %dns-domains i.inx)
$(inx t.inx)
::
::
++ ta-new-filter
%- ta-request-single
:+ /filter/new `'new filter'
:* %eth-new-filter
`[%number +(latest-block)] ::TODO or Ships origin block when 0
~
~[ships:contracts]
~
==
::
++ ta-read-filter
%- ta-request-single
:+ /filter `'filter logs'
[%eth-get-filter-logs filter]
::
++ ta-poll-filter
%- ta-request-single
:+ /filter `'poll filter'
[%eth-get-filter-changes filter]
::
++ ta-wait-poll
%- ta-card
[%wait /poll (add now.bol poll-time.config)]
::
::
++ ta-init
=. poll-time.config ~m4
=+ bos=(sein:title our.bol)
?. =(our.bol bos)
=. src.config [%ship bos]
(ta-card (subscribe-to:ca bos))
=+ (need (de-purl:html 'http://localhost:8545'))
=. src.config [%rpc -(p.p |)]
ta-new-filter
::
++ ta-run-check
|= save=?
=. wir (weld /read ?:(save /reset /verify))
=< ta-read-dns
(ta-read-ships (gulf ~zod ~nec)) ::TODO ~fes
::
::
++ ta-serve (ta-card full-state:ca)
::
++ ta-assume
|= [s=fleet d=dnses h=events]
?: &(=(s ships) =(d dns) =(h heard)) +>
~& [%ta-assume ~(wyt by s) ~(wyt in h)]
(ta-to-all(ships s, dns d, heard h) %full s d h)
::
++ ta-accept
|= [cause=[@ud @ud] dis=(list diff-constitution)]
?: &(!=([0 0] cause) (~(has in heard) cause))
~& %ta-accept-ignoring-duplicate-event
+>.$
~& [%ta-accept (lent dis)]
(ta-changes cause dis)
::
::
++ ta-take-filter
|= rep=response:json-rpc
^+ +>
?< ?=(%batch -.rep)
?: ?=(%error -.rep)
~& [%filter-error--retrying message.rep]
ta-new-filter
=- ta-read-filter(filter -)
(parse-eth-new-filter-res res.rep)
::
++ ta-take-filter-results
|= rep=response:json-rpc
^+ +>
?< ?=(%batch -.rep)
?: ?=(%error -.rep)
?. =('filter not found' message.rep)
~& [%unhandled-filter-error message.rep]
+>
~& %filter-timed-out--recreating
ta-new-filter
=. +> ta-wait-poll
?> ?=(%a -.res.rep)
=* changes p.res.rep
~& [%filter-changes (lent changes)]
|- ^+ +>.^$
?~ changes +>.^$
=. +>.^$
(ta-take-event-log (parse-event-log i.changes))
$(changes t.changes)
::
++ ta-take-event-log
|= log=event-log
^+ +>
?~ mined.log
~& %ignoring-unmined-event
+>
::
::TODO if the block number is less than latest, that means we got
:: events out of order somehow and should probably reset.
::
=* place u.mined.log
?: (~(has in heard) block-number.place log-index.place)
~& %ignoring-duplicate-event
+>
=+ cuz=[block-number.place log-index.place]
::
?: =(event.log changed-dns:ships-events)
=+ ^- [pri=tape sec=tape ter=tape]
(decode-results data.log ~[%string %string %string])
=? +>.$ !=(pri.dns (crip pri))
(ta-change cuz %dns 0 (crip pri))
=? +>.$ !=(sec.dns (crip sec))
(ta-change cuz %dns 1 (crip sec))
=? +>.$ !=(ter.dns (crip ter))
(ta-change cuz %dns 2 (crip ter))
+>.$
::
=+ dis=(event-log-to-hull-diffs log)
?~ dis +>.$
(ta-change cuz %hull i.dis)
::
::
++ ta-take-read-results
|= [rep=response:json-rpc save=?]
^+ +>
?> ?=(%batch -.rep)
=. wir (weld /read ?:(save /reset /verify))
|- ^+ +>.^$
?~ bas.rep +>.^$
=. +>.^$
(ta-take-read-result i.bas.rep save)
$(bas.rep t.bas.rep)
::
++ ta-take-read-result
|= [rep=response:json-rpc save=?]
^+ +>
?< ?=(%batch -.rep)
?: ?=(%error -.rep)
~& [%unhandled-read-error id.rep message.rep]
+>
=/ cal=ships:function (parse-id id.rep)
::TODO think about a better way to structure the comparison code below
?- -.cal :: ~&([%unhandled-read-result -.cal] +>.$)
%ships
?> ?=(%s -.res.rep)
=/ hul=hull:eth-noun
~| [id.rep p.res.rep]
(decode-results p.res.rep hull:eth-type)
:: ignore inactive ships
?. active.hul +>.$
:: we store the read data for now, and only compare with state once we
:: have completed it by learning the spawned ships.
=. checking (~(put by checking) who.cal (hull-from-eth hul))
(ta-read %get-spawned who.cal)
::
%get-spawned
?> ?=(%s -.res.rep)
=+ hul=(~(got by checking) who.cal)
=/ kis=(list @p)
::TODO can we let this be if we're cool with just @ ?
%- (list @p) ::NOTE because arrays are still typeless
(decode-results p.res.rep [%array %uint]~)
=. hul hul(spawned (~(gas in *(set @p)) kis))
::
=+ have=(~(get by ships) who.cal)
=. +>.$
?~ have
~& [%completely-missing who.cal]
?. save +>.$
~& [%storing-chain-version-of who.cal]
(ta-change [0 0] %hull who.cal %full hul)
::
=* huv state.u.have
?: =(huv hul) +>.$
~& [%differs-from-chain-version who.cal]
~& [%what %have %chain]
::TODO can we maybe re-use some ++redo code to simplify this?
~? !=(owner.huv owner.hul)
:- %owner-differs
[owner.huv owner.hul]
~? !=(encryption-key.huv encryption-key.hul)
:- %encryption-key-differs
[encryption-key.huv encryption-key.hul]
~? !=(authentication-key.huv authentication-key.hul)
:- %authentication-key-differs
[authentication-key.huv authentication-key.hul]
~? !=(key-revision.huv key-revision.hul)
:- %key-revision-differs
[key-revision.huv key-revision.hul]
~? !=(spawn-count.huv spawn-count.hul)
:- %spawn-count-differs
[spawn-count.huv spawn-count.hul]
~? !=(spawned.huv spawned.hul)
:- %spawned-differs
[spawned.huv spawned.hul]
~? !=(sponsor.huv sponsor.hul)
:- %sponsor-differs
[sponsor.huv sponsor.hul]
~? !=(escape.huv escape.hul)
:- %escape-differs
[escape.huv escape.hul]
~? !=(spawn-proxy.huv spawn-proxy.hul)
:- %spawn-proxy-differs
[spawn-proxy.huv spawn-proxy.hul]
~? !=(transfer-proxy.huv transfer-proxy.hul)
:- %transfer-proxy-differs
[transfer-proxy.huv transfer-proxy.hul]
::
~& %$
?. save +>.$
~& [%storing-chain-version-of who.cal]
(ta-change [0 0] %hull who.cal %full hul)
::
=. checking (~(del by checking) who.cal)
(ta-read-ships kis)
::
%dns-domains
?> ?=(%s -.res.rep)
=+ dom=(crip (decode-results p.res.rep ~[%string]))
?: =(0 ind.cal)
?: =(pri.dns dom) +>.$
~& [%primary-dns-differs pri.dns dom]
?. save +>.$
(ta-change [0 0] %dns 0 dom)
?: =(1 ind.cal)
?: =(sec.dns dom) +>.$
~& [%secondary-dns-differs sec.dns dom]
?. save +>.$
(ta-change [0 0] %dns 1 dom)
?: =(2 ind.cal)
?: =(ter.dns dom) +>.$
~& [%tertiary-dns-differs ter.dns dom]
?. save +>.$
(ta-change [0 0] %dns 2 dom)
!!
==
::
::
++ da
|= [[block=@ud log=@ud] dis=(list diff-constitution)]
^+ +>
=. heard (~(put in heard) block log)
=. latest-block (max latest-block block)
|^ ?~ dis +>.^$
=. ..da
=* dif i.dis
?- -.dif
%hull (da-hull +.dif)
%dns (da-dns +.dif)
==
$(dis t.dis)
::
++ da-hull
|= [who=@p dif=diff-hull]
=- ..da(ships -)
:: if new, first dif must be %full
?> |((~(has by ships) who) ?=(%full -.dif))
=+ old=(fall (~(get by ships) who) *complete-ship)
:: catch key changes, store them in the key map
=? keys.old ?=(%keys -.dif)
~? &((gth rev.dif 0) !(~(has by keys.old) (dec rev.dif)))
[%missing-previous-key-rev who (dec rev.dif)]
(~(put by keys.old) rev.dif enc.dif aut.dif)
:: for full, store the new keys in case we don't have them yet
=? keys.old ?=(%full -.dif)
=, new.dif
~? &((gth key-revision 0) !(~(has by keys.old) (dec key-revision)))
[%missing-previous-key-rev who (dec key-revision)]
%+ ~(put by keys.old) key-revision
[encryption-key authentication-key]
=. state.old (apply-hull-diff state.old dif)
=. history.old [dif history.old]
:: apply dif to ship state
(~(put by ships) who old)
::
++ da-dns
|= [ind=@ud new=@t]
?: =(0 ind) ..da(pri.dns new)
?: =(1 ind) ..da(sec.dns new)
?: =(2 ind) ..da(ter.dns new)
!!
::
++ da-heard
|= [block=@ud log=@ud]
=- ..da(heard har, latest-block las)
^- [har=(set (pair @ud @ud)) las=@ud]
:- (~(put in heard) block log)
(max latest-block block)
--
--
::
:: arms for card generation
++ ca
|%
++ rpc-request
|= [w=wire j=json]
^- card
:^ %hiss w ~
:+ %json-rpc-response %hiss
=- (json-request - j)
?> ?=(%rpc -.src.config)
url.src.config
::
++ subscribe-to
|= who=@p
^- card
:* %peer
/source/(scot %p who)
[who dap.bol]
/state
==
::
++ unsubscribe-from
|= who=@p
^- card
:* %pull
/source/(scot %p who)
[who dap.bol]
~
==
::
++ full-state
^- card
:+ %diff %constitution-update
[%full ships dns heard]
::
++ updates
|= [cause=[@ud @ud] dis=(list diff-constitution)]
^- card
[%diff %constitution-update %diff cause dis]
--
::
++ hull-from-eth
|= hul=hull:eth-noun
^- hull
=, hul
:* owner
::
?> =(32 p.encryption-key)
`@`q.encryption-key
::
?> =(32 p.authentication-key)
`@`q.authentication-key
::
key-revision
::
spawn-count
::
~
::
`@p`sponsor
::
?. escape-requested ~
``@p`escape-to
::
spawn-proxy
transfer-proxy
==
::
++ poke-noun
|= a/@
^- (quip move _+>)
?> =(src.bol our.bol)
=< ta-save
?: =(a 0)
~& [%have-ships ~(key by ships)]
~& [%zod (~(get by ships) ~zod)]
ta
?: =(a 1) ta-poll-filter:ta
?: =(a 2) ta-new-filter:ta
?: =(a 3) ta-read-filter:ta
?: =(a 4) (ta-run-check:ta |)
?: =(a 5) (ta-run-check:ta &)
ta
::
::
++ peer-state
|= p=path
^- (quip move _+>)
~& %peer-state
~? ?=(^ p) [%ignoring-specific-state p]
ta-save:ta-serve:ta
::
++ diff-constitution-update
|= [w=wire u=update]
^- (quip move _+>)
=< ta-save
?- -.u
%full (ta-assume:ta +.u)
%diff (ta-accept:ta +.u)
==
::
::
:: when we get the timer: poll filter
++ wake-poll
|= [w=wire ~]
^- (quip move _+>)
?. ?=(%rpc -.src.config) [~ +>]
~& [%waking-for-poll ost.bol now.bol]
::TODO maybe we need a way to get rid of double timers if they ever occur?
ta-save:ta-poll-filter:ta
::
++ sigh-tang
|= [w=wire t=tang]
^- (quip move _+>)
~& [%failed-sigh w]
~& (turn t (cury wash [0 80]))
::TODO actually do error handling, be sure to continue the thing the request
:: was trying to do.
[~ +>.$]
::
:: when we get a new filter: read it, kick timer
:: when we get log or poll results: apply them
++ sigh-json-rpc-response-filter
|= [w=wire r=response:json-rpc]
^- (quip move _+>)
?. ?=(%rpc -.src.config) [~ +>]
=< ta-save
?: ?=([%new *] w)
(ta-take-filter:ta r)
(ta-take-filter-results:ta r)
::
:: when we get read results: verify/reset
++ sigh-json-rpc-response-read
|= [w=wire r=response:json-rpc]
^- (quip move _+>)
?. ?=(%rpc -.src.config) [~ +>]
=< ta-save
?+ w ~&(%unknown-read-reason ta)
[%verify ~] (ta-take-read-results:ta r |)
[%reset ~] (ta-take-read-results:ta r &)
==
--
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