shrub/sys/vane/jael.hoon

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!: :: /van/jael
:: :: %reference/0
!? 150
::
::
:: %jael: secrets and promises.
::
:: todo:
::
:: - communication with other vanes:
:: - actually use %behn for expiring secrets
:: - report %ames propagation errors to user
::
:: - nice features:
:: - scry namespace
:: - task for converting invites to tickets
::
|= pit/vase
=, pki:jael
=, rights:jael
=, able:jael
=, title
=, crypto
=, jael
=, ethe
=, constitution:ethe
=, ethereum
=, constitution:ethereum
:: ::::
:::: # models :: data structures
:: ::::
:: the %jael state comes in two parts: absolute
:: and relative.
::
:: ++state-absolute is objective -- defined without
:: reference to our ship. if you steal someone else's
:: private keys, we have a place to put them. when
:: others make promises to us, we store them in the
:: same structures we use to make promises to others.
::
:: ++state-relative is subjective, denormalized and
:: derived. it consists of all the state we need to
:: manage subscriptions efficiently.
::
=> |%
++ state :: all vane state
$: ver/$0 :: vane version
yen/(set duct) :: raw observers
urb/state-absolute :: all absolute state
sub/state-relative :: all relative state
etn=state-eth-node :: eth connection state
== ::
++ state-relative :: urbit metadata
$: $= bal :: balance sheet
$: yen/(set duct) :: trackers
== ::
$= own :: vault
$: yen/(set duct) :: trackers
lyf/life :: version
jaw/(map life ring) :: private keys
== ::
$= eth :: ethereum (vent)
$: yen=(set duct) :: trackers
dns=dnses :: on-chain dns state
hul=(map ship hull) :: on-chain ship state
::TODO do we want (map ship diff-hull) too?
kyz=(map ship (map life (pair pass pass))) :: public key versions
== ::
== ::
++ state-absolute :: absolute urbit
$: pry/(map ship (map ship safe)) :: promises
eve=block:able :: on-chain events
== ::
++ state-eth-node :: node config + meta
$: source=(each ship node-src) :: learning from
heard=(set event-id) :: processed events
latest-block=@ud :: last heard block
== ::
++ node-src :: ethereum node comms
$: node=purl:eyre :: node url
filter-id=@ud :: current filter
poll-timer=@da :: next filter poll
== ::
:: ::
++ message :: p2p message
$% [%hail p=remote] :: reset rights
[%nuke ~] :: cancel trackers
[%vent ~] :: view ethereum state
[%vent-result p=update:constitution:ethe] :: tmp workaround
== ::
++ card :: i/o action
(wind note:able gift) ::
:: ::
++ move :: output
{p/duct q/card} ::
-- ::
:: ::::
:::: # light :: light cores
:: ::::
=> |%
:: :: ++py
:::: ## sparse/light :: sparse range
:: ::::
++ py
:: because when you're a star with 2^16 unissued
:: planets, a (set) is kind of lame...
::
|_ a/pile
:: :: ++dif:py
++ dif :: add/remove a->b
|= b/pile
^- (pair pile pile)
[(sub(a b) a) (sub b)]
:: :: ++div:py
++ div :: allocate
|= b/@ud
^- (unit (pair pile pile))
=< ?-(- %& [~ p], %| ~)
|- ^- (each (pair pile pile) @u)
?: =(0 b)
[%& ~ a]
?~ a [%| 0]
=/ al $(a l.a)
?- -.al
%& [%& p.p.al a(l q.p.al)]
%|
=. b (^sub b p.al)
=/ top +((^sub q.n.a p.n.a))
?: =(b top)
[%& a(r ~) r.a]
?: (lth b top)
:+ %& a(r ~, q.n (add p.n.a (dec b)))
=. p.n.a (add p.n.a b)
(uni(a r.a) [n.a ~ ~])
=/ ar $(a r.a, b (^sub b top))
?- -.ar
%& [%& a(r p.p.ar) q.p.ar]
%| [%| :(add top p.al p.ar)]
==
==
::
++ gas :: ++gas:py
|= b/(list @) ^- pile :: insert list
?~ b a
$(b t.b, a (put i.b))
:: :: ++gud:py
++ gud :: validate
=| {bot/(unit @) top/(unit @)}
|- ^- ?
?~ a &
?& (lte p.n.a q.n.a)
?~(top & (lth +(q.n.a) u.top))
?~(bot & (gth p.n.a +(u.bot)))
::
?~(l.a & (vor p.n.a p.n.l.a))
$(a l.a, top `p.n.a)
::
?~(l.a & (vor p.n.a p.n.l.a))
$(a r.a, bot `q.n.a)
==
:: :: ++int:py
++ int :: intersection
|= b/pile ^- pile
?~ a ~
?~ b ~
?. (vor p.n.a p.n.b) $(a b, b a)
?: (gth p.n.a q.n.b)
(uni(a $(b r.b)) $(a l.a, r.b ~))
?: (lth q.n.a p.n.b)
(uni(a $(b l.b)) $(a r.a, l.b ~))
?: (gte p.n.a p.n.b)
?: (lte q.n.a q.n.b)
[n.a $(a l.a, r.b ~) $(a r.a, l.b ~)]
[n.a(q q.n.b) $(a l.a, r.b ~) $(l.a ~, b r.b)]
%- uni(a $(r.a ~, b l.b))
?: (lte q.n.a q.n.b)
%- uni(a $(l.b ~, a r.a))
[n.b(q q.n.a) ~ ~]
%- uni(a $(l.a ~, b r.b))
[n.b ~ ~]
:: :: ++put:py
++ put :: insert
|= b/@ ^- pile
(uni [b b] ~ ~)
:: :: ++sub:py
++ sub :: subtract
|= b/pile ^- pile
?~ b a
?~ a a
?: (gth p.n.a q.n.b)
$(b r.b, l.a $(a l.a, r.b ~))
?: (lth q.n.a p.n.b)
$(b l.b, r.a $(a r.a, l.b ~))
%- uni(a $(a l.a, r.b ~))
%- uni(a $(a r.a, l.b ~))
?: (gte p.n.a p.n.b)
?: (lte q.n.a q.n.b)
~
$(b r.b, a [[+(q.n.b) q.n.a] ~ ~])
?: (lte q.n.a q.n.b)
$(b l.b, a [[n.a(q (min q.n.a (dec p.n.b)))] ~ ~])
%- uni(a $(b r.b, a [[+(q.n.b) q.n.a] ~ ~]))
$(b l.b, a [[n.a(q (min q.n.a (dec p.n.b)))] ~ ~])
:: :: ++tap:py
++ tap :: into full list
=| out/(list @)
|- ^+ out
?~ a out
$(a l.a, out (welp (gulf n.a) $(a r.a)))
:: :: ++uni:py
++ uni :: merge two piles
|= b/pile
^- pile
?~ b a
?~ a b
?. (vor p.n.a p.n.b) $(a b, b a)
?: (lth +(q.n.b) p.n.a)
$(b r.b, l.a $(a l.a, r.b ~))
?: (lth +(q.n.a) p.n.b)
$(b l.b, r.a $(a r.a, l.b ~))
?: =(n.a n.b) [n.a $(a l.a, b l.b) $(a r.a, b r.b)]
?: (lth p.n.a p.n.b)
?: (gth q.n.a q.n.b)
$(b l.b, a $(b r.b))
$(b l.b, a $(b r.b, a $(b r.a, r.a ~, q.n.a q.n.b)))
?: (gth q.n.a q.n.b)
$(a l.a, b $(a r.a, b $(a r.b, r.b ~, q.n.b q.n.a)))
$(a l.a, b $(a r.a))
-- ::py
:: :: ++ry
:::: ## rights/light :: rights algebra
:: ::::
++ ry
::
:: we need to be able to combine rights, and
:: track changes by taking differences between them.
::
:: ++ry must always crash when you try to make it
:: do something that makes no sense.
::
:: language compromises: the type system can't enforce
:: that lef and ryt match, hence the asserts.
::
=< |_ $: :: lef: old right
:: ryt: new right
::
lef/rite
ryt/rite
==
:: :: ++uni:ry
++ uni ~(sum +> lef ryt) :: add rights
:: :: ++dif:ry
++ dif :: r->l: {add remove}
^- (pair (unit rite) (unit rite))
[~(dif +> ryt lef) ~(dif +> lef ryt)]
:: :: ++sub:ry
++ sub :: l - r
^- (unit rite)
=/ vid dif
~| vid
?>(?=($~ q.vid) p.vid)
--
|_ $: :: lef: old right
:: ryt: new right
::
lef/rite
ryt/rite
==
:: :: ++sub-by:py
++ sub-by :: subtract elements
|* {new/(map) old/(map) sub/$-(^ *)} ^+ new
%- ~(rep by new)
|* {{key/* val/*} acc/_^+(new ~)}
=> .(+<- [key val]=+<-)
=/ var (~(get by old) key)
=. val ?~(var val (sub val u.var))
?~ val acc
(~(put by ,.acc) key val)
:: :: ++dif:ry
++ dif :: in r and not l
^- (unit rite)
|^ ?- -.lef
$apple ?>(?=($apple -.ryt) (table %apple p.lef p.ryt))
$block ?>(?=($block -.ryt) ~)
$email ?>(?=($email -.ryt) (sable %email p.lef p.ryt))
$final ?>(?=($final -.ryt) (table %final p.lef p.ryt))
$fungi ?>(?=($fungi -.ryt) (noble %fungi p.lef p.ryt))
$guest ?>(?=($guest -.ryt) ~)
$hotel ?>(?=($hotel -.ryt) (bible %hotel p.lef p.ryt))
$jewel ?>(?=($jewel -.ryt) (table %jewel p.lef p.ryt))
$login ?>(?=($login -.ryt) (sable %login p.lef p.ryt))
$pword ?>(?=($pword -.ryt) (ruble %pword p.lef p.ryt))
$token ?>(?=($token -.ryt) (ruble %token p.lef p.ryt))
$urban ?>(?=($urban -.ryt) (table %urban p.lef p.ryt))
==
:: :: ++cable:dif:ry
++ cable :: diff atom
|* {nut/@tas new/@ old/@}
^- (unit rite)
?: =(new old) ~
`[nut new]
:: :: ++bible:dif:ry
++ bible :: diff pile
|* {nut/@tas old/(map dorm pile) new/(map dorm pile)}
^- (unit rite)
=; mor/_new
?~(mor ~ `[nut mor])
%^ sub-by new old
|=({a/pile b/pile} (~(sub py a) b))
:: :: ++noble:dif:ry
++ noble :: diff map of @ud
|* {nut/@tas old/(map * @ud) new/(map * @ud)}
^- (unit rite)
=; mor/_new
?~(mor ~ `[nut mor])
%^ sub-by new old
|=({a/@u b/@u} (sub a (min a b)))
:: :: ++ruble:dif:ry
++ ruble :: diff map of maps
|* {nut/@tas old/(map * (map)) new/(map * (map))}
^- (unit rite)
=; mor/_new
?~(mor ~ `[nut mor])
%^ sub-by new old
=* valu (~(got by new))
|= {a/_^+(valu ~) b/_^+(valu ~)} ^+ a
(sub-by a b |*({a2/* b2/*} a2))
:: :: ++sable:dif:ry
++ sable :: diff set
|* {nut/@tas old/(set) new/(set)}
^- (unit rite)
=; mor ?~(mor ~ `[nut mor])
(~(dif in new) old)
:: :: ++table:dif:ry
++ table :: diff map
|* {nut/@tas old/(map) new/(map)}
^- (unit rite)
=; mor ?~(mor ~ `[nut mor])
(sub-by new old |*({a/* b/*} a))
-- ::dif
:: :: ++sum:ry
++ sum :: lef new, ryt old
^- rite
|^ ?- -.lef
$apple ?>(?=($apple -.ryt) [%apple (table p.lef p.ryt)])
$block ?>(?=($block -.ryt) [%block ~])
$email ?>(?=($email -.ryt) [%email (sable p.lef p.ryt)])
$final ?>(?=($final -.ryt) [%final (table p.lef p.ryt)])
$fungi ?>(?=($fungi -.ryt) [%fungi (noble p.lef p.ryt)])
$guest ?>(?=($guest -.ryt) [%guest ~])
$hotel ?>(?=($hotel -.ryt) [%hotel (bible p.lef p.ryt)])
$jewel ?>(?=($jewel -.ryt) [%jewel (table p.lef p.ryt)])
$login ?>(?=($login -.ryt) [%login (sable p.lef p.ryt)])
$pword ?>(?=($pword -.ryt) [%pword (ruble p.lef p.ryt)])
$token ?>(?=($token -.ryt) [%token (ruble p.lef p.ryt)])
$urban ?>(?=($urban -.ryt) [%urban (table p.lef p.ryt)])
==
:: :: ++bible:uni:ry
++ bible :: union pile
|= {new/(map dorm pile) old/(map dorm pile)}
^+ new
%- (~(uno by old) new)
|= (trel dorm pile pile)
(~(uni py q) r)
:: :: ++noble:uni:ry
++ noble :: union map of @ud
|= {new/(map term @ud) old/(map term @ud)}
^+ new
%- (~(uno by old) new)
|= (trel term @ud @ud)
(add q r)
:: :: ++ruble:uni:ry
++ ruble :: union map of maps
|= {new/(map site (map @t @t)) old/(map site (map @t @t))}
^+ new
%- (~(uno by old) new)
|= (trel site (map @t @t) (map @t @t))
%- (~(uno by q) r)
|= (trel @t @t @t)
?>(=(q r) r)
:: :: ++sable:uni:ry
++ sable :: union set
|* {new/(set) old/(set)}
^+ new
(~(uni in old) new)
:: :: ++table:uni:ry
++ table :: union map
|* {new/(map) old/(map)}
^+ new
%- (~(uno by old) new)
|= (trel _p.-<.new _q.->.new _q.->.new)
?>(=(q r) r)
-- ::uni
-- ::ry
:: :: ++up
:::: ## wallet^light :: wallet algebra
:: ::::
++ up
:: a set of rites is stored as a tree (++safe), sorted
:: by ++gor on the stem, balanced by ++vor on the stem.
:: (this is essentially a ++map with stem as key, but
:: ++map doesn't know how to link stem and bulb types.)
:: the goal of the design is to make it easy to add new
:: kinds of rite without a state adapter.
::
:: wallet operations always crash if impossible;
:: %jael has no concept of negative rights.
::
:: performance issues: ++differ and ++splice, naive.
::
:: external issues: much copy and paste from ++by. it
:: would be nice to resolve this somehow, but not urgent.
::
:: language issues: if hoon had an equality test
:: that informed inference, ++expose could be
:: properly inferred, eliminating the ?>.
::
|_ pig/safe
:: :: ++delete:up
++ delete :: delete right
|= ryt/rite
^- safe
?~ pig
~
?. =(-.ryt -.n.pig)
?: (gor -.ryt -.n.pig)
[n.pig $(pig l.pig) r.pig]
[n.pig l.pig $(pig r.pig)]
=/ dub ~(sub ry n.pig ryt)
?^ dub [u.dub l.pig r.pig]
|- ^- safe
?~ l.pig r.pig
?~ r.pig l.pig
?: (vor -.n.l.pig -.n.r.pig)
[n.l.pig l.l.pig $(l.pig r.l.pig)]
[n.r.pig $(r.pig l.r.pig) r.r.pig]
:: :: ++differ:up
++ differ :: delta pig->gob
|= gob/safe
^- bump
|^ [way way(pig gob, gob pig)]
++ way
%- intern(pig ~)
%+ skip linear(pig gob)
|=(rite (~(has in pig) +<))
--
:: :: ++exists:up
++ exists :: test presence
|= tag/@tas
!=(~ (expose tag))
:: :: ++expose:up
++ expose :: typed extract
|= tag/@tas
^- (unit rite)
?~ pig ~
?: =(tag -.n.pig)
[~ u=n.pig]
?:((gor tag -.n.pig) $(pig l.pig) $(pig r.pig))
:: :: ++insert:up
++ insert :: insert item
|= ryt/rite
^- safe
?~ pig
[ryt ~ ~]
?: =(-.ryt -.n.pig)
[~(uni ry ryt n.pig) l.pig r.pig]
?: (gor -.ryt -.n.pig)
=. l.pig $(pig l.pig)
?> ?=(^ l.pig)
?: (vor -.n.pig -.n.l.pig)
[n.pig l.pig r.pig]
[n.l.pig l.l.pig [n.pig r.l.pig r.pig]]
=. r.pig $(pig r.pig)
?> ?=(^ r.pig)
?: (vor -.n.pig -.n.r.pig)
[n.pig l.pig r.pig]
[n.r.pig [n.pig l.pig l.r.pig] r.r.pig]
:: :: ++intern:up
++ intern :: insert list
|= lin/(list rite)
^- safe
?~ lin pig
=. pig $(lin t.lin)
(insert i.lin)
:: :: ++linear:up
++ linear :: convert to list
=| lin/(list rite)
|- ^+ lin
?~ pig ~
$(pig r.pig, lin [n.pig $(pig l.pig)])
:: :: ++redact:up
++ redact :: conceal secrets
|- ^- safe
?~ pig ~
:_ [$(pig l.pig) $(pig r.pig)]
=* rys n.pig
^- rite
?+ -.rys rys
$apple
[%apple (~(run by p.rys) |=(@ (shax +<)))]
::
$final
[%final (~(run by p.rys) |=(@ (shax +<)))]
::
$login
[%login ~]
::
$pword
:- %pword
%- ~(run by p.rys)
|= (map @ta @t)
(~(run by +<) |=(@t (fil 3 (met 3 +<) '*')))
::
$jewel
[%jewel (~(run by p.rys) |=(@ (shax +<)))]
::
$token
:- %token
%- ~(run by p.rys)
|=((map @ta @) (~(run by +<) |=(@ (shax +<))))
::
$urban
[%urban (~(run by p.rys) |=({@da code:ames} [+<- (shax +<+)]))]
==
:: :: ++remove:up
++ remove :: pig minus gob
|= gob/safe
^- safe
=/ buv ~(tap by gob)
|- ?~ buv pig
$(buv t.buv, pig (delete i.buv))
:: :: ++splice:up
++ splice :: pig plus gob
|= gob/safe
^- safe
=/ buv ~(tap by gob)
|- ?~ buv pig
$(buv t.buv, pig (insert i.buv))
:: :: ++update:up
++ update :: arbitrary change
|= del/bump
^- safe
(splice(pig (remove les.del)) mor.del)
--
:: :: ++ez
:::: ## ethereum^light :: wallet algebra
:: ::::
++ ez
:: simple ethereum-related utility arms.
::
|%
++ order-events
|= loz=(list (pair event-id (list diff-constitution)))
^+ loz
%+ sort loz
:: sort by block number, then by event log number,
::TODO then by diff priority.
|= [[[b1=@ud l1=@ud] *] [[b2=@ud l2=@ud] *]]
?. =(b1 b2) (lth b1 b2)
?. =(l1 l2) (lth l1 l2)
&
--
--
:: ::::
:::: # heavy :: heavy engines
:: ::::
=> |%
:: :: ++of
:::: ## main^heavy :: main engine
:: ::::
++ of
:: this core handles all top-level %jael semantics,
:: changing state and recording moves.
::
:: logically we could nest the ++su and ++ur cores
:: within it, but we keep them separated for clarity.
:: the ++curd and ++cure arms complete relative and
:: absolute effects, respectively, at the top level.
::
:: a general pattern here is that we use the ++ur core
:: to generate absolute effects (++change), then invoke
:: ++su to calculate the derived effect of these changes.
::
:: arvo issues: should be merged with the top-level
:: vane interface when that gets cleaned up a bit.
::
=| moz/(list move)
=| $: :: sys: system context
::
$= sys
$: :: now: current time
:: eny: unique entropy
::
now/@da
eny/@e
==
:: all vane state
::
state
==
:: lex: all durable state
:: moz: pending actions
::
=* lex ->
|%
:: :: ++abet:of
++ abet :: resolve
[(flop moz) lex]
:: :: ++burb:of
++ burb :: per ship
|= who/ship
~(able ~(ex ur urb) who)
:: :: ++scry:of
++ scry :: read
|= {syd/@tas pax/path} ^- (unit gilt)
=^ mar pax =/(a (flop pax) [-.a (flop t.+.a)])
?> ?=(_-:*gilt mar)
=- (biff - (flit |=(a/gilt =(-.a mar))))
~ ::TODO
:: :: ++call:of
++ call :: invoke
|= $: :: hen: event cause
:: tac: event data
::
hen/duct
tac/task
==
^+ +>
?- -.tac
::
:: destroy promises
:: {$burn p/ship q/safe}
::
$burn
%+ cure our.tac
abet:abet:(deal:(burb our.tac) p.tac [~ q.tac])
::
:: remote update
:: {$hail p/ship q/remote}
::
$hail
%+ cure our.tac
abet:abet:(hail:(burb our.tac) p.tac q.tac)
::
:: initialize vane
:: [%init our=ship]
::
$init
%+ cute our.tac =< abet
(~(init et our.tac now.sys eth.sub etn.lex) our.tac)
::
:: set ethereum source
:: [%look p=(each ship purl)]
::
%look
%+ cute our.tac =< abet
(~(look et our.tac now.sys eth.sub etn.lex) src.tac)
::
:: create promises
:: {$mint p/ship q/safe}
::
$mint
%+ cure our.tac
abet:abet:(deal:(burb our.tac) p.tac [q.tac ~])
::
::
:: move promises
:: {$move p/ship q/ship r/safe}
::
$move
=. +>
%+ cure our.tac
abet:abet:(deal:(burb our.tac) p.tac [~ r.tac])
=. +>
%+ cure our.tac
abet:abet:(deal:(burb our.tac) q.tac [r.tac ~])
+>
::
:: cancel all trackers from duct
:: {$nuke $~}
::
$nuke
%_ +>
yen (~(del in yen) hen)
yen.bal.sub (~(del in yen.bal.sub) hen)
yen.own.sub (~(del in yen.own.sub) hen)
yen.eth.sub (~(del in yen.eth.sub) hen)
==
::
:: watch private keys
:: {$vein $~}
::
$vein
(curd abet:~(vein ~(feed su our.tac urb sub etn) hen))
::
:: watch ethereum state
:: [%vent ~]
::
%vent
=. moz [[hen %give %mack ~] moz]
(curd abet:~(vent ~(feed su our.tac urb sub etn) hen))
::
:: monitor assets
:: {$vest $~}
::
$vest
(curd abet:~(vest ~(feed su our.tac urb sub etn) hen))
::
:: monitor all
:: {$vine $~}
::
$vine
+>(yen (~(put in yen) hen))
::
:: authenticated remote request
:: {$west p/ship q/path r/*}
::
$west
=+ mes=((hard message) r.tac)
?- -.mes
::
:: reset remote rights
:: [%hail p=remote]
::
%hail
%+ cure p.p.tac
abet:abet:(hail:(burb p.p.tac) q.p.tac p.mes)
::
:: cancel trackers
:: [%nuke ~]
::
%nuke
$(tac mes)
::
:: view ethereum state
:: [%vent ~]
::
%vent
$(tac [%vent p.p.tac])
::
::
%vent-result
:: ignore if not from currently configured source.
?. &(-.source.etn =(q.p.tac p.source.etn))
+>.$
=. moz [[hen %give %mack ~] moz]
%+ cute p.p.tac =< abet
(~(hear-vent et p.p.tac now.sys eth.sub etn.lex) p.mes)
==
==
::
++ take
|= [tea=wire hen=duct hin=sign]
^+ +>
?> ?=([@ *] tea)
=+ our=(slav %p i.tea)
=* wir t.tea
?- hin
[%a %woot *]
?~ q.hin ~&(%coop-fine +>.$)
?~ u.q.hin ~&(%ares-fine +>.$)
~& [%woot-bad p.u.u.q.hin]
~_ q.u.u.q.hin
::TODO fail:et
+>.$
::
[%e %sigh *]
%+ cute our =< abet
(~(sigh et our now.sys eth.sub etn.lex) wir p.hin)
::
[%b %wake ~]
%+ cute our =< abet
~(wake et our now.sys eth.sub etn.lex)
::
[%j %vent *]
%+ cute our =< abet
(~(hear-vent et our now.sys eth.sub etn.lex) p.hin)
==
:: :: ++curd:of
++ curd :: relative moves
|= {moz/(list move) sub/state-relative}
+>(sub sub, moz (weld (flop moz) ^moz))
:: :: ++cure:of
++ cure :: absolute edits
|= {our/ship hab/(list change) urb/state-absolute}
^+ +>
(curd(urb urb) abet:(~(apex su our urb sub etn) hab))
:: :: ++cute:of
++ cute :: ethereum changes
|= $: our=ship
mos=(list move)
evs=block:able
net=state-eth-node
==
^+ +>
%- cure(etn net, moz (weld (flop mos) moz))
[our abet:(link:(burb our) evs)]
--
:: :: ++su
:::: ## relative^heavy :: subjective engine
:: ::::
++ su
:: the ++su core handles all derived state,
:: subscriptions, and actions.
::
:: ++feed:su registers subscriptions.
::
:: ++feel:su checks if a ++change should notify
:: any subscribers.
::
:: ++fire:su generates outgoing network messages.
::
:: ++form:su generates the actual report data.
::
=| moz/(list move)
=| evs=block:able
=| $: our/ship
state-absolute
state-relative
state-eth-node
==
:: moz: moves in reverse order
:: urb: absolute urbit state
:: sub: relative urbit state
::
=* urb ->-
=* sub ->+<
=* etn ->+>
|%
:: :: ++abet:su
++ abet :: resolve
=> (exec yen.eth [%give %vent |+evs])
[(flop moz) sub]
:: :: ++apex:su
++ apex :: apply changes
|= hab/(list change)
^+ +>
?~ hab +>
%= $
hab t.hab
+>
?- -.i.hab
%ethe (file p.can.i.hab)
%rite (paid +.i.hab)
==
==
:: :: ++exec:su
++ exec :: mass gift
|= {yen/(set duct) cad/card}
=/ noy ~(tap in yen)
|- ^+ ..exec
?~ noy ..exec
$(noy t.noy, moz [[i.noy cad] moz])
:: :: ++feed:su
++ feed :: subscribe to view
|_ :: hen: subscription source
::
hen/duct
:: :: ++vein:feed:su
++ vein :: private keys
%_ ..feed
moz [[hen %give %vein [lyf jaw]:own] moz]
yen.own (~(put in yen.own) hen)
==
:: :: ++vest:feed:su
++ vest :: balance
%_ ..feed
moz [[hen %give %vest %& vest:form] moz]
yen.bal (~(put in yen.bal) hen)
==
::
++ vent
%_ ..feed
moz [[hen %give %vent vent:form] moz]
yen.eth (~(put in yen.eth) hen)
==
--
:: :: ++feel:su
++ feel :: update tracker
|%
:: :: ++vein:feel:su
++ vein :: kick private keys
^+ ..feel
=/ yam vein:form
?: =(yam +.own) ..feel
(exec(+.own yam) yen.own [%give %vein +.own])
:: :: ++vest:feel:su
++ vest :: kick balance
|= hug/action
^+ ..feel
?: =([~ ~] +.q.hug) ..feel
::
:: notify all local listeners
::
=. ..feel (exec yen.bal [%give %vest %| p.hug q.hug])
::
:: pig: purse report for partner
::
?. ?=(%| -.q.hug) ..feel
=* pig (~(lawn ur urb) our p.hug)
%_ ..feel
moz
:_ moz
:^ *duct %pass /vest/(scot %p p.hug)
:+ %a %want
:+ [our p.hug] /j
^- message
[%hail |+pig]
==
::
++ vent
|= evs=block:able
(exec yen.eth [%give %vent %| evs])
--
:: :: ++form:su
++ form :: generate reports
|%
:: :: ++vein:form:su
++ vein :: private key report
^- (pair life (map life ring))
(~(lean ur urb) our)
:: :: ++vest:form:su
++ vest :: balance report
^- balance
:- ::
:: raw: all our liabilities by ship
:: dud: delete liabilities to self
:: cul: mask secrets
::
=* raw =-(?~(- ~ u.-) (~(get by pry.urb) our))
=* dud (~(del by raw) our)
=* cul (~(run by dud) |=(safe ~(redact up +<)))
cul
::
:: fub: all assets by ship
:: veg: all nontrivial assets, secrets masked
::
=/ fub
^- (list (pair ship (unit safe)))
%+ turn
~(tap by pry.urb)
|= (pair ship (map ship safe))
[p (~(get by q) our)]
=* veg
|- ^- (list (pair ship safe))
?~ fub ~
=+ $(fub t.fub)
?~(q.i.fub - [[p.i.fub ~(redact up u.q.i.fub)] -])
::
(~(gas by *(map ship safe)) veg)
::
++ vent
^- chain
&+eve
--
:: :: ++paid:su
++ paid :: track asset change
|= $: :: rex: promise from
:: pal: promise to
:: del: change to existing
::
rex/ship
pal/ship
del/bump
==
^+ +>
:: ignore empty delta; keep secrets out of metadata
::
?: =([~ ~] del) +>
=. del [~(redact up mor.del) ~(redact up les.del)]
?. =(our pal)
::
:: track promises we made to others
::
?. =(our rex) +>
::
:: track liabilities
::
(vest:feel pal %& del)
::
:: track private keys
::
?. (~(exists up mor.del) %jewel) +>
vein:feel
::
++ file
|= evs=block:able
^+ +>
=? +> !=(0 ~(wyt by evs)) (vent:feel evs)
=+ vez=(order-events:ez ~(tap by evs))
|^ ?~ vez ..file
$(vez t.vez, ..file (file-event i.vez))
::
++ file-event
|= [wer=event-id dis=(list diff-constitution)]
^+ ..file
?: (~(has in heard) wer)
~& %ignoring-already-heard-event
..file
=. evs (~(put by evs) wer dis)
=. heard (~(put in heard) wer)
=. latest-block (max latest-block block.wer)
|-
?~ dis ..file
=. ..file
=* dif i.dis
?- -.dif
%hull (file-hull +.dif)
%dns (file-dns +.dif)
==
$(dis t.dis)
::
++ file-hull
|= [who=@p dif=diff-hull]
=- ::TODO =; with just the type
%_ ..file
hul.eth (~(put by hul.eth) who hel)
kyz.eth (~(put by kyz.eth) who kez)
==
~! hul.eth
^- [hel=hull kez=(map life (pair pass pass))]
:: if new, first dif must be %full
?> |((~(has by hul.eth) who) ?=(%full -.dif))
:- =- (apply-hull-diff - dif)
(fall (~(get by hul.eth) who) *hull)
=+ koz=(fall (~(get by kyz.eth) who) *(map life (pair pass pass)))
?+ -.dif koz
%keys
:: catch key changes, store them in the key map
~? &((gth rev.dif 0) !(~(has by koz) (dec rev.dif)))
[%missing-previous-key-rev who (dec rev.dif)]
(~(put by koz) rev.dif enc.dif aut.dif)
::
%full
:: for full, store the new keys in case we don't have them yet
=, new.dif
~? &((gth key-revision 0) !(~(has by koz) (dec key-revision)))
[%missing-previous-key-rev who (dec key-revision)]
%+ ~(put by koz) key-revision
[encryption-key authentication-key]
==
::
++ file-dns
|= [ind=@ud new=@t]
?: =(0 ind) ..file(pri.dns.eth new)
?: =(1 ind) ..file(sec.dns.eth new)
?: =(2 ind) ..file(ter.dns.eth new)
!!
--
--
:: :: ++ur
:::: ## absolute^heavy :: objective engine
:: ::::
++ ur
:: the ++ur core handles primary, absolute state.
:: it is the best reference for the semantics of
:: the urbit pki.
::
:: it is absolutely verboten to use [our] in ++ur.
::
=| hab/(list change)
=| state-absolute
::
:: hab: side effects, reversed
:: urb: all urbit state
::
=* urb -
|%
:: :: ++abet:ur
++ abet :: resolve
[(flop hab) `state-absolute`urb]
::
++ link
|= evs=block:able
%_ +>
hab [[%ethe |+evs] hab]
eve (~(uni by eve) evs)
==
:: :: ++lawn:ur
++ lawn :: debts, rex to pal
|= {rex/ship pal/ship}
^- safe
(lawn:~(able ex rex) pal)
:: :: ++lean:ur
++ lean :: private keys
|= rex/ship
^- (pair life (map life ring))
lean:~(able ex rex)
:: :: ++ex:ur
++ ex :: server engine
:: shy: private state
:: rug: domestic will
::
=| $: shy/(map ship safe)
==
=| :: rex: server ship
::
rex/ship
|%
:: :: ++abet:ex:ur
++ abet :: resolve
%_ ..ex
pry (~(put by pry) rex shy)
==
:: :: ++able:ex:ur
++ able :: initialize
%_ .
shy (fall (~(get by pry) rex) *(map ship safe))
==
:: :: ++deal:ex:ur
++ deal :: alter rights
|= {pal/ship del/bump}
^+ +>
=/ gob (fall (~(get by shy) pal) *safe)
=* hep (~(update up gob) del)
%_ +>.$
shy (~(put by shy) pal hep)
hab [[%rite rex pal del] hab]
==
::
++ hail :: ++hail:ex:ur
|= {pal/ship rem/remote} :: report rights
^+ +>
=/ gob (fall (~(get by shy) pal) *safe)
=/ yer ^- (pair bump safe)
?- -.rem
%& [[p.rem ~] (~(splice up gob) p.rem)]
%| [(~(differ up gob) p.rem) p.rem]
==
%_ +>.$
shy (~(put by shy) pal q.yer)
hab [[%rite rex pal p.yer] hab]
==
:: :: ++lean:ex:ur
++ lean :: private keys
^- (pair life (map life ring))
::
:: lyf: latest life of
:: par: promises by rex, to rex
:: jel: %jewel rights
::
:: =/ lyf `life`(fall ~(current we rug) 1)
:: =* par (~(got by shy) rex)
:: =/ jel `rite`(need (~(expose up par) %jewel))
:: ?> ?=($jewel -.jel)
:: [lyf p.jel]
[0 ~] ::TODO
:: :: ++lawn:ex:ur
++ lawn :: liabilities to pal
|= pal/ship
^- safe
=-(?~(- ~ u.-) (~(get by shy) pal))
--
--
:: :: ++et
:::: ## ethereum^heavy :: ethereum engine
:: ::::
++ et
:: the ++et core handles ethereum-based state
:: and all network requests necessary to
:: maintain it.
::
::TODO more words
=| moves=(list move)
=| changes=block:able
|_ $: our=ship
now=@da
eth=_eth:*state-relative
state-eth-node
==
+* etn +<+>+
::
++ abet
^- [(list move) block:able state-eth-node]
[(flop moves) changes etn]
::
++ put-move
|= mov=move
%_(+> moves [mov moves])
::
++ put-moves
|= mos=(list move)
%_(+> moves (weld (flop mos) moves))
::
++ put-request
|= [wir=wire id=(unit @t) req=request]
(put-move (rpc-hiss wir (request-to-json id req)))
::
++ make-change
|= [cause=event-id dif=diff-constitution]
+>(changes (~(add ja changes) cause dif))
::
++ make-changes
|= [cause=event-id dis=(list diff-constitution)]
=- +>.$(changes (~(put by changes) cause -))
(weld (flop dis) (~(get ja changes) cause))
::
::
++ wrap-note
|= [wir=wire not=note:able]
^- move
[[/jael/eth-logic ~ ~] %pass (weld /(scot %p our) wir) not]
::
++ rpc-hiss
|= [wir=wire jon=json]
^- move
%+ wrap-note wir
:^ %e %hiss ~
:+ %json-rpc-response %hiss
?> ?=(%| -.source)
!> (json-request node.p.source jon)
::
::TODO this is the only place in ++et that does subscription updates,
:: and it probably shouldn't.
++ update-to-all
|= upd=update
%- put-moves
^- (list move)
%+ turn ~(tap in yen.eth)
|= d=duct
:: [d %give %vent upd]
::NOTE we do a %pass instead of a %give because ames is bad
?> ?=([[%a @ @ *] *] d)
=+ our=(slav %p i.t.i.d)
=+ who=(slav %p i.t.t.i.d)
%+ wrap-note /vent-result
[%a %want [our who] /j/(scot %p our)/vent-result %vent-result upd]
::
::
++ listen-to-ship
|= [our=ship who=ship]
%- put-move(source &+who)
%+ wrap-note /vent/(scot %p who)
[%a %want [our who] /j/(scot %p our)/vent `*`[%vent ~]]
::
++ unsubscribe-from-source
|= our=ship
%- put-move
?> ?=(%& -.source)
%+ wrap-note /vent/(scot %p p.source)
::TODO should we maybe have a %nuke-vent,
:: or do we have a unique duct here?
[%a %want [our p.source] /j/(scot %p our)/vent `*`[%nuke ~]]
::
++ listen-to-node
|= url=purl:eyre
new-filter(source |+%*(. *node-src node url))
::
::
++ new-filter
%- put-request
:+ /filter/new `'new filter'
:* %eth-new-filter
`[%number +(latest-block)] ::TODO or Ships origin block when 0
~ ::TODO we should probably chunck these, maybe?
:: https://stackoverflow.com/q/49339489
~[ships:contracts]
~
==
::
++ read-filter
?> ?=(%| -.source)
%- put-request
:+ /filter/logs `'filter logs'
[%eth-get-filter-logs filter-id.p.source]
::
++ poll-filter
?> ?=(%| -.source)
%- put-request
:+ /filter/changes `'poll filter'
[%eth-get-filter-changes filter-id.p.source]
::
++ wait-poll
?> ?=(%| -.source)
=+ wen=(add now ~m4)
::TODO maybe also put a %rest for the old timer, just in case?
:: but I think the check in take-filter-result suffices.
%- put-move(poll-timer.p.source wen)
(wrap-note /poll %b %wait wen)
::
++ cancel-wait-poll
?> ?=(%| -.source)
%- put-move(poll-timer.p.source *@da)
%+ wrap-note /poll/cancel
[%b %rest poll-timer.p.source]
::
::
++ init
|= our=ship
^+ +>
::TODO ship or node as sample?
::TODO set default polling time in config
=+ bos=(sein:title our)
?. =(our bos)
(listen-to-ship our bos)
=+ (need (de-purl:html 'http://localhost:8545'))
(listen-to-node -(p.p |))
::
++ look
|= src=(each ship purl:eyre)
^+ +>
=. +>
?: ?=(%| -.src)
cancel-wait-poll
(unsubscribe-from-source our)
?: ?=(%| -.src)
(listen-to-node p.src)
(listen-to-ship our p.src)
::
::
++ hear-vent
|= upd=update
^+ +>
?- -.upd
%full (assume +.upd)
::
%difs
|-
?~ dis.upd +>.^$
=. +>.^$ (accept i.dis.upd)
$(dis.upd t.dis.upd)
==
::
++ assume
::TODO keys
|= [s=(map ship hull) d=dnses h=events]
^+ +>
?: &(=(s hul.eth) =(d dns.eth) =(h heard))
~& %ignoring-identical-full
+>
~& [%assume ~(wyt by s) ~(wyt in h)]
(update-to-all [%full s d h])
::
++ accept
|= [cause=event-id dis=(list diff-constitution)]
^+ +>
?: (~(has in heard) cause)
~& %accept-ignoring-duplicate-event
+>.$
~& [%accept (lent dis)]
(make-changes cause dis)
::
::
++ wake poll-filter
::
++ sigh
|= [cuz=wire mar=mark res=vase]
^+ +>
?: ?=(%& -.source) +>
?: ?=(%tang mar)
::TODO proper error handling
~& %yikes
~_ q.res
+>
?> ?=(%json-rpc-response mar)
~| res
=+ rep=((hard response:rpc:jstd) q.res)
?+ cuz ~|([%weird-sigh-wire cuz] !!)
[%filter %new *]
(take-new-filter rep)
::
[%filter *]
(take-filter-results rep)
==
::
++ take-new-filter
|= rep=response:rpc:jstd
^+ +>
~| rep
?< ?=(%batch -.rep)
?: ?=(%error -.rep)
~& [%filter-error--retrying message.rep]
new-filter
?> ?=(%| -.source)
=- read-filter(filter-id.p.source -)
(parse-eth-new-filter-res res.rep)
::
++ take-filter-results
|= rep=response:rpc:jstd
^+ +>
?< ?=(%batch -.rep)
?: ?=(%error -.rep)
?. =('filter not found' message.rep)
~& [%unhandled-filter-error message.rep]
+>
~& %filter-timed-out--recreating
new-filter
:: kick polling timer, only if it hasn't already been.
=? +> ?& ?=(%| -.source)
(gth now poll-timer.p.source)
==
wait-poll
?> ?=(%a -.res.rep)
=* changes p.res.rep
~& [%filter-changes (lent changes)]
|- ^+ +>.^$
?~ changes +>.^$
=. +>.^$
(take-event-log (parse-event-log i.changes))
$(changes t.changes)
::
++ take-event-log
|= log=event-log
^+ +>
?~ mined.log
~& %ignoring-unmined-event
+>
::
::TODO if the block number is less than latest, that means we got
:: events out of order somehow and should probably reset.
::
=* place u.mined.log
?: (~(has in heard) block-number.place log-index.place)
~& %ignoring-duplicate-event
+>
=+ cuz=[block-number.place log-index.place]
::
?: =(event.log changed-dns:ships-events)
=+ ^- [pri=tape sec=tape ter=tape]
(decode-results data.log ~[%string %string %string])
=? +>.$ !=(pri.dns.eth (crip pri))
(make-change cuz %dns 0 (crip pri))
=? +>.$ !=(sec.dns.eth (crip sec))
(make-change cuz %dns 1 (crip sec))
=? +>.$ !=(ter.dns.eth (crip ter))
(make-change cuz %dns 2 (crip ter))
+>.$
::
=+ dis=(event-log-to-hull-diffs log)
?~ dis +>.$
(make-change cuz %hull i.dis)
::
--
--
:: ::::
:::: # vane :: interface
:: ::::
::
:: lex: all durable %jael state
::
=| lex/state
|= $: ::
:: now: current time
:: eny: unique entropy
:: ski: namespace resolver
::
now/@da
eny/@e
ski/sley
==
|%
:: :: ++call
++ call :: request
|= $: :: hen: cause of this event
:: hic: event data
::
hen/duct
hic/(hypo (hobo task:able))
==
=> .(q.hic ?.(?=($soft -.q.hic) q.hic ((hard task:able) p.q.hic)))
^- {p/(list move) q/_..^$}
=^ did lex abet:(~(call of [now eny] lex) hen q.hic)
[did ..^$]
:: :: ++load
++ load :: upgrade
|= $: :: old: previous state
::
old/state
==
^+ ..^$
..^$(lex old)
:: :: ++scry
++ scry :: inspect
|= $: :: fur: event security
:: ren: access mode
:: why: owner
:: syd: desk (branch)
:: lot: case (version)
:: tyl: rest of path
::
fur/(unit (set monk))
ren/@tas
why/shop
syd/desk
lot/coin
tyl/spur
==
^- (unit (unit cage))
:: XX security
?. =(lot [%$ %da now]) ~
%- some
?. =(%$ ren) ~
%+ bind (~(scry of [now eny] lex) syd tyl)
=- ~! - -
|=(a/gilt [-.a (slot `@`3 !>(a))])
:: :: ++stay
++ stay :: preserve
lex
:: :: ++take
++ take :: accept
|= $: :: tea: order
:: hen: cause
:: hin: result
::
tea/wire
hen/duct
hin/(hypo sign)
==
^- {p/(list move) q/_..^$}
=^ did lex abet:(~(take of [now eny] lex) tea hen q.hin)
[did ..^$]
--