urbit/pkg/arvo/lib/vere.hoon
2020-12-08 01:47:06 +01:00

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:: runtime support code
::
/+ ethereum, azimuth
=> [ethereum=ethereum azimuth=azimuth ..zuse] =>
|%
::
:: |dawn: pre-boot request/response de/serialization and validation
::
++ dawn
=> |%
:: +live: public network state of a ship
::
+$ live (unit [=life breach=?])
--
|%
:: +come:dawn: mine a comet under a star
::
:: Randomly generates comet addresses until we find one whose parent is
:: in the list of supplied stars. Errors if any supplied ship
:: is not a star.
::
++ come
|= [tar=(list ship) eny=@uvJ]
::
=| stars=(set ship)
=. stars
|- ^+ stars
?~ tar stars
::
~| [%come-not-king i.tar]
?> ?=(%king (clan:title i.tar))
$(tar t.tar, stars (~(put in stars) i.tar))
::
|- ^- seed:jael
=/ cub=acru:ames (pit:nu:crub:crypto 512 eny)
=/ who=ship `@`fig:ex:cub
:: disallow 64-bit or smaller addresses
::
?. ?=(%pawn (clan:title who))
$(eny +(eny))
?: (~(has in stars) (^sein:title who))
[who 1 sec:ex:cub ~]
$(eny +(eny))
:: |give:dawn: produce requests for pre-boot validation
::
++ give
=, rpc:ethereum
=, abi:ethereum
=/ tract azimuth:contracts:azimuth
|%
:: +bloq:give:dawn: Eth RPC for latest block number
::
++ bloq
^- octs
%- as-octt:mimes:html
%- en-json:html
%+ request-to-json
`~.0
[%eth-block-number ~]
:: +czar:give:dawn: Eth RPC for galaxy table
::
++ czar
|= boq=@ud
^- octs
%- as-octt:mimes:html
%- en-json:html
:- %a
%+ turn (gulf 0 255)
|= gal=@
%+ request-to-json
`(cat 3 'gal-' (scot %ud gal))
:+ %eth-call
=- [from=~ to=tract gas=~ price=~ value=~ data=-]
(encode-call 'points(uint32)' [%uint gal]~)
[%number boq]
:: +point:give:dawn: Eth RPC for ship's contract state
::
++ point
|= [boq=@ud who=ship]
^- octs
%- as-octt:mimes:html
%- en-json:html
%+ request-to-json
`~.0
:+ %eth-call
=- [from=~ to=tract gas=~ price=~ value=~ data=-]
(encode-call 'points(uint32)' [%uint `@`who]~)
[%number boq]
:: +turf:give:dawn: Eth RPC for network domains
::
++ turf
|= boq=@ud
^- octs
%- as-octt:mimes:html
%- en-json:html
:- %a
%+ turn (gulf 0 2)
|= idx=@
%+ request-to-json
`(cat 3 'turf-' (scot %ud idx))
:+ %eth-call
=- [from=~ to=tract gas=~ price=~ value=~ data=-]
(encode-call 'dnsDomains(uint256)' [%uint idx]~)
[%number boq]
--
:: |take:dawn: parse responses for pre-boot validation
::
++ take
=, abi:ethereum
=, rpc:ethereum
=, azimuth
=, dejs-soft:format
|%
:: +bloq:take:dawn: parse block number
::
++ bloq
|= rep=octs
^- (unit @ud)
=/ jon=(unit json) (de-json:html q.rep)
?~ jon
~&([%bloq-take-dawn %invalid-json] ~)
=/ res=(unit cord) ((ot result+so ~) u.jon)
?~ res
~&([%bloq-take-dawn %invalid-response rep] ~)
=/ out
%- mule |.
(hex-to-num:ethereum u.res)
?: ?=(%& -.out)
(some p.out)
~&([%bloq-take-dawn %invalid-block-number] ~)
:: +czar:take:dawn: parse galaxy table
::
++ czar
|= rep=octs
^- (unit (map ship [=rift =life =pass]))
=/ jon=(unit json) (de-json:html q.rep)
?~ jon
~&([%czar-take-dawn %invalid-json] ~)
=/ res=(unit (list [@t @t]))
((ar (ot id+so result+so ~)) u.jon)
?~ res
~&([%czar-take-dawn %invalid-response rep] ~)
=/ dat=(unit (list [who=@p point:azimuth-types]))
=- ?:(?=(%| -.out) ~ (some p.out))
^= out %- mule |.
%+ turn u.res
|= [id=@t result=@t]
^- [who=ship point:azimuth-types]
=/ who `@p`(slav %ud (rsh [3 4] id))
:- who
%+ point-from-eth
who
:_ *deed:eth-noun
%+ decode-results
result
point:eth-type
?~ dat
~&([%bloq-take-dawn %invalid-galaxy-table] ~)
:- ~
%+ roll u.dat
|= $: [who=ship =point:azimuth-types]
kyz=(map ship [=rift =life =pass])
==
^+ kyz
?~ net.point
kyz
(~(put by kyz) who [continuity-number life pass]:u.net.point)
:: +point:take:dawn: parse ship's contract state
::
++ point
|= [who=ship rep=octs]
^- (unit point:azimuth)
=/ jon=(unit json) (de-json:html q.rep)
?~ jon
~&([%point-take-dawn %invalid-json] ~)
=/ res=(unit cord) ((ot result+so ~) u.jon)
?~ res
~&([%point-take-dawn %invalid-response rep] ~)
~? =(u.res '0x')
:- 'bad result from node; is azimuth address correct?'
azimuth:contracts
=/ out
%- mule |.
%+ point-from-eth
who
:_ *deed:eth-noun ::TODO call rights to fill
(decode-results u.res point:eth-type)
?: ?=(%& -.out)
(some p.out)
~&([%point-take-dawn %invalid-point] ~)
:: +turf:take:dawn: parse network domains
::
++ turf
|= rep=octs
^- (unit (list ^turf))
=/ jon=(unit json) (de-json:html q.rep)
?~ jon
~&([%turf-take-dawn %invalid-json] ~)
=/ res=(unit (list [@t @t]))
((ar (ot id+so result+so ~)) u.jon)
?~ res
~&([%turf-take-dawn %invalid-response rep] ~)
=/ dat=(unit (list (pair @ud ^turf)))
=- ?:(?=(%| -.out) ~ (some p.out))
^= out %- mule |.
%+ turn u.res
|= [id=@t result=@t]
^- (pair @ud ^turf)
:- (slav %ud (rsh [3 5] id))
=/ dom=tape
(decode-results result [%string]~)
=/ hot=host:eyre
(scan dom thos:de-purl:html)
?>(?=(%& -.hot) p.hot)
?~ dat
~&([%turf-take-dawn %invalid-domains] ~)
:- ~
=* dom u.dat
:: sort by id, ascending, removing duplicates
::
=| tuf=(map ^turf @ud)
|- ^- (list ^turf)
?~ dom
%+ turn
%+ sort ~(tap by tuf)
|=([a=(pair ^turf @ud) b=(pair ^turf @ud)] (lth q.a q.b))
head
=? tuf !(~(has by tuf) q.i.dom)
(~(put by tuf) q.i.dom p.i.dom)
$(dom t.dom)
--
:: +veri:dawn: validate keys, life, discontinuity, &c
::
++ veri
|= [=seed:jael =point:azimuth =live]
^- (unit error=term)
=/ rac (clan:title who.seed)
=/ cub (nol:nu:crub:crypto key.seed)
?- rac
%pawn
:: a comet address is the fingerprint of the keypair
::
?. =(who.seed `@`fig:ex:cub)
`%key-mismatch
:: a comet can never be breached
::
?^ live
`%already-booted
:: a comet can never be re-keyed
::
?. ?=(%1 lyf.seed)
`%invalid-life
~
::
%earl
~
::
*
:: on-chain ships must be launched
::
?~ net.point
`%not-keyed
=* net u.net.point
:: boot keys must match the contract
::
?. =(pub:ex:cub pass.net)
~& [%key-mismatch pub:ex:cub pass.net]
`%key-mismatch
:: life must match the contract
::
?. =(lyf.seed life.net)
`%life-mismatch
:: the boot life must be greater than and discontinuous with
:: the last seen life (per the sponsor)
::
?: ?& ?=(^ live)
?| ?=(%| breach.u.live)
(lte life.net life.u.live)
== ==
`%already-booted
:: produce the sponsor for vere
::
~? !has.sponsor.net
[%no-sponsorship-guarantees-from who.sponsor.net]
~
==
:: +sponsor:dawn: retreive sponsor from point
::
++ sponsor
|= [who=ship =point:azimuth]
^- (each ship error=term)
?- (clan:title who)
%pawn [%& (^sein:title who)]
%earl [%& (^sein:title who)]
%czar [%& (^sein:title who)]
*
?~ net.point
[%| %not-booted]
?. has.sponsor.u.net.point
[%| %no-sponsor]
[%& who.sponsor.u.net.point]
==
--
--
::
=/ pit !>(.)
=> |%
++ load _[~ ..load] :: +4
++ peek _~ :: +22
++ poke _[~ ..poke] :: +23
++ wish :: +10
|= txt=*
q:(slap pit (ream ;;(@t txt)))
--
::
|=(* .(+> +:(poke +<)))