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shrub/pkg/arvo/app/graph-store.hoon
L f00d476fcb
Merge pull request #3521 from urbit/ted/link 
graph import/export generators
2020-09-24 20:06:46 -05:00

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:: graph-store [landscape]
::
::
/+ store=graph-store, sigs=signatures, res=resource, default-agent, dbug
~% %graph-store-top ..is ~
|%
+$ card card:agent:gall
+$ versioned-state
$% state-0
==
::
+$ state-0 [%0 network:store]
++ orm orm:store
++ orm-log orm-log:store
--
::
=| state-0
=* state -
::
%- agent:dbug
^- agent:gall
~% %graph-store-agent ..card ~
|_ =bowl:gall
+* this .
def ~(. (default-agent this %|) bowl)
::
++ on-init [~ this]
++ on-save !>(state)
++ on-load
|= old=vase
^- (quip card _this)
[~ this(state !<(state-0 old))]
::
++ on-watch
~/ %graph-store-watch
|= =path
^- (quip card _this)
|^
?> (team:title our.bowl src.bowl)
=/ cards=(list card)
?+ path (on-watch:def path)
[%updates ~] ~
[%keys ~] (give [%keys ~(key by graphs)])
[%tags ~] (give [%tags ~(key by tag-queries)])
==
[cards this]
::
++ give
|= =update-0:store
^- (list card)
[%give %fact ~ [%graph-update !>([%0 now.bowl update-0])]]~
--
::
++ on-poke
~/ %graph-store-poke
|= [=mark =vase]
^- (quip card _this)
|^
?> (team:title our.bowl src.bowl)
=^ cards state
?+ mark (on-poke:def mark vase)
%graph-update (graph-update !<(update:store vase))
==
[cards this]
::
++ graph-update
|= =update:store
^- (quip card _state)
|^
?> ?=(%0 -.update)
?- -.q.update
%add-graph (add-graph +.q.update)
%remove-graph (remove-graph +.q.update)
%add-nodes (add-nodes p.update +.q.update)
%remove-nodes (remove-nodes p.update +.q.update)
%add-signatures (add-signatures p.update +.q.update)
%remove-signatures (remove-signatures p.update +.q.update)
%add-tag (add-tag +.q.update)
%remove-tag (remove-tag +.q.update)
%archive-graph (archive-graph +.q.update)
%unarchive-graph (unarchive-graph +.q.update)
%run-updates (run-updates +.q.update)
%keys ~|('cannot send %keys as poke' !!)
%tags ~|('cannot send %tags as poke' !!)
%tag-queries ~|('cannot send %tag-queries as poke' !!)
==
::
++ add-graph
|= [=resource:store =graph:store mark=(unit mark:store)]
^- (quip card _state)
?< (~(has by archive) resource)
?< (~(has by graphs) resource)
?> (validate-graph graph mark)
:_ %_ state
graphs (~(put by graphs) resource [graph mark])
update-logs (~(put by update-logs) resource (gas:orm-log ~ ~))
validators
?~ mark validators
(~(put in validators) u.mark)
==
%- zing
:~ (give [/updates /keys ~] [%add-graph resource graph mark])
?~ mark ~
?: (~(has in validators) u.mark) ~
=/ wire (weld /graph (en-path:res resource))
=/ =rave:clay [%sing %b [%da now.bowl] /[u.mark]]
[%pass wire %arvo %c %warp our.bowl [%home `rave]]~
==
::
++ remove-graph
|= =resource:store
^- (quip card _state)
?< (~(has by archive) resource)
?> (~(has by graphs) resource)
:- (give [/updates /keys ~] [%remove-graph resource])
%_ state
graphs (~(del by graphs) resource)
update-logs (~(del by update-logs) resource)
==
::
++ add-nodes
|= $: =time
=resource:store
nodes=(map index:store node:store)
==
^- (quip card _state)
|^
=/ [=graph:store mark=(unit mark:store)]
(~(got by graphs) resource)
=/ =update-log:store (~(got by update-logs) resource)
=. update-log
(put:orm-log update-log time [%0 time [%add-nodes resource nodes]])
::
:- (give [/updates]~ [%add-nodes resource nodes])
%_ state
update-logs (~(put by update-logs) resource update-log)
graphs
%+ ~(put by graphs)
resource
:_ mark
(add-node-list resource graph mark (sort-nodes nodes))
==
::
++ sort-nodes
|= nodes=(map index:store node:store)
^- (list [index:store node:store])
%+ sort ~(tap by nodes)
|= [p=[=index:store *] q=[=index:store *]]
^- ?
(lth (lent index.p) (lent index.q))
::
++ add-node-list
|= $: =resource:store
=graph:store
mark=(unit mark:store)
node-list=(list [index:store node:store])
==
^- graph:store
?~ node-list graph
=* index -.i.node-list
=* node +.i.node-list
%_ $
node-list t.node-list
graph (add-node-at-index graph index node mark)
==
::
++ add-node-at-index
=| parent-hash=(unit hash:store)
|= $: =graph:store
=index:store
=node:store
mark=(unit mark:store)
==
^- graph:store
?< ?=(~ index)
~| "validation of node failed using mark {<mark>}"
?> (validate-graph (gas:orm ~ [i.index node]~) mark)
=* atom i.index
%^ put:orm
graph
atom
:: add child
::
?~ t.index
=* p post.node
=/ =validated-portion:store
[parent-hash author.p time-sent.p contents.p]
=/ =hash:store `@ux`(sham validated-portion)
?~ hash.p node(signatures.post *signatures:store)
~| "signatures do not match the calculated hash"
?> (are-signatures-valid:sigs our.bowl signatures.p hash now.bowl)
~| "hash of post does not match calculated hash"
?> =(hash u.hash.p)
node
:: recurse children
::
=/ parent=node:store
~| "index does not exist to add a node to!"
(need (get:orm graph atom))
%_ parent
children
^- internal-graph:store
:- %graph
%_ $
index t.index
parent-hash hash.post.parent
graph
?: ?=(%graph -.children.parent)
p.children.parent
(gas:orm ~ ~)
==
==
--
::
++ remove-nodes
|= [=time =resource:store indices=(set index:store)]
^- (quip card _state)
|^
=/ [=graph:store mark=(unit mark:store)]
(~(got by graphs) resource)
=/ =update-log:store (~(got by update-logs) resource)
=. update-log
(put:orm-log update-log time [%0 time [%remove-nodes resource indices]])
::
:- (give [/updates]~ [%remove-nodes resource indices])
%_ state
update-logs (~(put by update-logs) resource update-log)
graphs
%+ ~(put by graphs)
resource
[(remove-indices resource graph ~(tap in indices)) mark]
==
::
++ remove-indices
|= [=resource:store =graph:store indices=(list index:store)]
^- graph:store
?~ indices graph
%_ $
indices t.indices
graph (remove-index graph i.indices)
==
::
++ remove-index
|= [=graph:store =index:store]
^- graph:store
?~ index graph
=* atom i.index
:: last index in list
::
?~ t.index
+:`[* graph:store]`(del:orm graph atom)
=/ =node:store
~| "parent index does not exist to remove a node from!"
(need (get:orm graph atom))
~| "child index does not exist to remove a node from!"
?> ?=(%graph -.children.node)
%^ put:orm
graph
atom
node(p.children $(graph p.children.node, index t.index))
--
::
++ add-signatures
|= [=time =uid:store =signatures:store]
^- (quip card _state)
|^
=* resource resource.uid
=/ [=graph:store mark=(unit mark:store)]
(~(got by graphs) resource)
=/ =update-log:store (~(got by update-logs) resource)
=. update-log
(put:orm-log update-log time [%0 time [%add-signatures uid signatures]])
::
:- (give [/updates]~ [%add-signatures uid signatures])
%_ state
update-logs (~(put by update-logs) resource update-log)
graphs
%+ ~(put by graphs) resource
[(add-at-index graph index.uid signatures) mark]
==
::
++ add-at-index
|= [=graph:store =index:store =signatures:store]
^- graph:store
?~ index graph
=* atom i.index
=/ =node:store
~| "node does not exist to add signatures to!"
(need (get:orm graph atom))
:: last index in list
::
%^ put:orm
graph
atom
?~ t.index
~| "cannot add signatures to a node missing a hash"
?> ?=(^ hash.post.node)
~| "signatures did not match public keys!"
?> (are-signatures-valid:sigs our.bowl signatures u.hash.post.node now.bowl)
node(signatures.post (~(uni in signatures) signatures.post.node))
~| "child graph does not exist to add signatures to!"
?> ?=(%graph -.children.node)
node(p.children $(graph p.children.node, index t.index))
--
::
++ remove-signatures
|= [=time =uid:store =signatures:store]
^- (quip card _state)
|^
=* resource resource.uid
=/ [=graph:store mark=(unit mark:store)]
(~(got by graphs) resource)
=/ =update-log:store (~(got by update-logs) resource)
=. update-log
%^ put:orm-log update-log
time
[%0 time [%remove-signatures uid signatures]]
::
:- (give [/updates]~ [%remove-signatures uid signatures])
%_ state
update-logs (~(put by update-logs) resource update-log)
graphs
%+ ~(put by graphs) resource
[(remove-at-index graph index.uid signatures) mark]
==
::
++ remove-at-index
|= [=graph:store =index:store =signatures:store]
^- graph:store
?~ index graph
=* atom i.index
=/ =node:store
~| "node does not exist to add signatures to!"
(need (get:orm graph atom))
:: last index in list
::
%^ put:orm
graph
atom
?~ t.index
node(signatures.post (~(dif in signatures) signatures.post.node))
~| "child graph does not exist to add signatures to!"
?> ?=(%graph -.children.node)
node(p.children $(graph p.children.node, index t.index))
--
::
++ add-tag
|= [=term =resource:store]
^- (quip card _state)
?> (~(has by graphs) resource)
:- (give [/updates /tags ~] [%add-tag term resource])
%_ state
tag-queries (~(put ju tag-queries) term resource)
==
::
++ remove-tag
|= [=term =resource:store]
^- (quip card _state)
?> (~(has by graphs) resource)
:- (give [/updates /tags ~] [%remove-tag term resource])
%_ state
tag-queries (~(del ju tag-queries) term resource)
==
::
++ archive-graph
|= =resource:store
^- (quip card _state)
?< (~(has by archive) resource)
?> (~(has by graphs) resource)
:- (give [/updates /keys /tags ~] [%archive-graph resource])
%_ state
archive (~(put by archive) resource (~(got by graphs) resource))
graphs (~(del by graphs) resource)
update-logs (~(del by update-logs) resource)
tag-queries
%- ~(run by tag-queries)
|= =resources:store
(~(del in resources) resource)
==
::
++ unarchive-graph
|= =resource:store
^- (quip card _state)
?> (~(has by archive) resource)
?< (~(has by graphs) resource)
:- (give [/updates /keys ~] [%unarchive-graph resource])
%_ state
archive (~(del by archive) resource)
graphs (~(put by graphs) resource (~(got by archive) resource))
update-logs (~(put by update-logs) resource (gas:orm-log ~ ~))
==
::
++ run-updates
|= [=resource:store =update-log:store]
^- (quip card _state)
?< (~(has by archive) resource)
?> (~(has by graphs) resource)
:_ state
%+ turn (tap:orm-log update-log)
|= [=time update=logged-update:store]
^- card
?> ?=(%0 -.update)
:* %pass
/run-updates/(scot %da time)
%agent
[our.bowl %graph-store]
%poke
:- %graph-update
!>
^- update:store
?- -.q.update
%add-nodes update(resource.q resource)
%remove-nodes update(resource.q resource)
%add-signatures update(resource.uid.q resource)
%remove-signatures update(resource.uid.q resource)
==
==
::
++ validate-graph
|= [=graph:store mark=(unit mark:store)]
^- ?
?~ mark %.y
?~ graph %.y
=/ =dais:clay
.^ =dais:clay
%cb
/(scot %p our.bowl)/[q.byk.bowl]/(scot %da now.bowl)/[u.mark]
==
%+ roll (tap:orm graph)
|= [[=atom =node:store] out=?]
?& out
=(%& -:(mule |.((vale:dais [atom post.node]))))
?- -.children.node
%empty %.y
%graph ^$(graph p.children.node)
==
==
::
++ give
|= [paths=(list path) update=update-0:store]
^- (list card)
[%give %fact paths [%graph-update !>([%0 now.bowl update])]]~
--
--
::
++ on-peek
~/ %graph-store-peek
|= =path
^- (unit (unit cage))
|^
?> (team:title our.bowl src.bowl)
?+ path (on-peek:def path)
[%x %keys ~]
:- ~ :- ~ :- %graph-update
!>(`update:store`[%0 now.bowl [%keys ~(key by graphs)]])
::
[%x %tags ~]
:- ~ :- ~ :- %graph-update
!>(`update:store`[%0 now.bowl [%tags ~(key by tag-queries)]])
::
[%x %tag-queries ~]
:- ~ :- ~ :- %graph-update
!>(`update:store`[%0 now.bowl [%tag-queries tag-queries]])
::
[%x %graph @ @ ~]
=/ =ship (slav %p i.t.t.path)
=/ =term i.t.t.t.path
=/ result=(unit marked-graph:store)
(~(get by graphs) [ship term])
?~ result [~ ~]
:- ~ :- ~ :- %graph-update
!> ^- update:store
:+ %0
now.bowl
[%add-graph [ship term] `graph:store`p.u.result q.u.result]
::
:: note: near-duplicate of /x/graph
::
[%x %archive @ @ ~]
=/ =ship (slav %p i.t.t.path)
=/ =term i.t.t.t.path
=/ result=(unit marked-graph:store)
(~(get by archive) [ship term])
?~ result
~& no-archived-graph+[ship term]
[~ ~]
:- ~ :- ~ :- %graph-update
!> ^- update:store
:+ %0
now.bowl
[%add-graph [ship term] `graph:store`p.u.result q.u.result]
::
[%x %graph-subset @ @ @ @ ~]
=/ =ship (slav %p i.t.t.path)
=/ =term i.t.t.t.path
=/ start=(unit atom) (rush i.t.t.t.t.path dem:ag)
=/ end=(unit atom) (rush i.t.t.t.t.t.path dem:ag)
=/ graph=(unit marked-graph:store)
(~(get by graphs) [ship term])
?~ graph [~ ~]
:- ~ :- ~ :- %graph-update
!> ^- update:store
:+ %0 now.bowl
:+ %add-nodes
[ship term]
%- ~(gas by *(map index:store node:store))
%+ turn (tap:orm `graph:store`(subset:orm p.u.graph start end))
|= [=atom =node:store]
^- [index:store node:store]
[~[atom] node]
::
[%x %node @ @ @ *]
=/ =ship (slav %p i.t.t.path)
=/ =term i.t.t.t.path
=/ =index:store
(turn t.t.t.t.path |=(=cord (slav %ud cord)))
=/ node=(unit node:store) (get-node ship term index)
?~ node [~ ~]
:- ~ :- ~ :- %graph-update
!> ^- update:store
:+ %0
now.bowl
:+ %add-nodes
[ship term]
(~(gas by *(map index:store node:store)) [index u.node] ~)
::
[%x %node-children-subset @ @ @ @ @ *]
=/ =ship (slav %p i.t.t.path)
=/ =term i.t.t.t.path
=/ start=(unit atom) (rush i.t.t.t.t.path dem:ag)
=/ end=(unit atom) (rush i.t.t.t.t.t.path dem:ag)
=/ =index:store
(turn t.t.t.t.t.t.path |=(=cord (slav %ud cord)))
=/ node=(unit node:store) (get-node ship term index)
?~ node [~ ~]
?- -.children.u.node
%empty [~ ~]
%graph
:- ~ :- ~ :- %graph-update
!> ^- update:store
:+ %0
now.bowl
:+ %add-nodes
[ship term]
%- ~(gas by *(map index:store node:store))
%+ turn (tap:orm `graph:store`(subset:orm p.children.u.node start end))
|= [=atom =node:store]
^- [index:store node:store]
[(snoc index atom) node]
==
::
[%x %update-log-subset @ @ @ @ ~]
=/ =ship (slav %p i.t.t.path)
=/ =term i.t.t.t.path
=/ start=(unit time) (slaw %da i.t.t.t.t.path)
=/ end=(unit time) (slaw %da i.t.t.t.t.t.path)
=/ update-log=(unit update-log:store) (~(get by update-logs) [ship term])
?~ update-log [~ ~]
``noun+!>((subset:orm-log u.update-log start end))
::
[%x %update-log @ @ ~]
=/ =ship (slav %p i.t.t.path)
=/ =term i.t.t.t.path
=/ update-log=(unit update-log:store) (~(get by update-logs) [ship term])
?~ update-log [~ ~]
``noun+!>(u.update-log)
::
[%x %peek-update-log @ @ ~]
=/ =ship (slav %p i.t.t.path)
=/ =term i.t.t.t.path
=/ update-log=(unit update-log:store) (~(get by update-logs) [ship term])
?~ update-log [~ ~]
=/ result=(unit [time update:store])
(peek:orm-log:store u.update-log)
?~ result [~ ~]
``noun+!>([~ -.u.result])
==
::
++ get-node
|= [=ship =term =index:store]
^- (unit node:store)
=/ parent-graph=(unit marked-graph:store)
(~(get by graphs) [ship term])
?~ parent-graph ~
=/ node=(unit node:store) ~
=/ =graph:store p.u.parent-graph
|-
?~ index
node
?~ t.index
(get:orm graph i.index)
=. node (get:orm graph i.index)
?~ node ~
?- -.children.u.node
%empty ~
%graph $(graph p.children.u.node, index t.index)
==
--
::
++ on-arvo
|= [=wire =sign-arvo]
^- (quip card _this)
?+ -.sign-arvo (on-arvo:def wire sign-arvo)
%c
:_ this
?> ?=([%graph @ *] wire)
=/ =resource:store (de-path:res t.wire)
=/ gra=(unit marked-graph:store) (~(get by graphs) resource)
?~ gra ~
?~ q.u.gra ~
=/ =rave:clay [%next %b [%da now.bowl] /[u.q.u.gra]]
[%pass wire %arvo %c %warp our.bowl [%home `rave]]~
==
::
++ on-agent on-agent:def
++ on-leave on-leave:def
++ on-fail on-fail:def
--
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