fix: use limited publishBrandInfo power, not all of chainStorage #61
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| // @ts-check | ||
| import { E, Far } from '@endo/far'; | ||
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| const { Fail } = assert; | ||
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| // vstorage paths under published.* | ||
| const BOARD_AUX = 'boardAux'; | ||
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| /** | ||
| * @param {import('@agoric/zone').Zone} zone | ||
| * @param {Marshaller} marshalData | ||
| * @param {{ | ||
| * board: ERef<import('./core-types').Board>; | ||
| * chainStorage: ERef<StorageNode>; | ||
| * }} powers | ||
| */ | ||
| export const makeBoardAuxManager = (zone, marshalData, powers) => { | ||
| const { board, chainStorage } = powers; | ||
| const store = zone.mapStore('boardAux'); | ||
| const boardAux = E(chainStorage).makeChildNode(BOARD_AUX); | ||
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| const formatValue = value => { | ||
| const aux = marshalData.toCapData(value); | ||
| // max length? | ||
| return JSON.stringify(aux); | ||
| }; | ||
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| const boardAuxNode = key => | ||
| E.when(E(board).getId(key), boardId => E(boardAux).makeChildNode(boardId)); | ||
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| const init = async (key, value) => { | ||
| store.init(key, value); | ||
| await E(boardAuxNode(key)).setValue(formatValue(value)); | ||
| }; | ||
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| const update = async (key, value) => { | ||
| if (store.has(key)) { | ||
| store.set(key, value); | ||
| } else { | ||
| store.init(key, value); | ||
| } | ||
| await E(boardAuxNode(key)).setValue(formatValue(value)); | ||
| }; | ||
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| /** | ||
| * Publish displayInfo of a brand to vstorage under its boardId. | ||
| * | ||
| * Works only once per brand. | ||
| * @see {BoardAuxAdmin} to over-write aux info | ||
| * | ||
| * @param {Brand} brand | ||
| */ | ||
| const publishBrandInfo = brand => | ||
| E.when( | ||
| Promise.all([E(brand).getAllegedName(), E(brand).getDisplayInfo()]), | ||
| ([allegedName, displayInfo]) => | ||
| init(brand, harden({ allegedName, displayInfo })), | ||
|
There was a problem hiding this comment. I think this is goofy; I don't think this collection is keyed by brand |
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| ); | ||
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| return harden({ | ||
| brandAuxPublisher: Far('BrandAuxPublisher', { publishBrandInfo }), | ||
| boardAuxTOFU: Far('BoardAuxTOFU', { publishBrandInfo, init }), | ||
|
There was a problem hiding this comment. Trust On First Use. Maybe should be renamed to "first come, first served". |
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| boardAuxAdmin: Far('BoardAuxAdmin', { publishBrandInfo, init, update }), | ||
| }); | ||
| }; | ||
| /** @typedef {ReturnType<typeof makeBoardAuxManager>} BoardAuxManager */ | ||
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| /** @typedef {BoardAuxManager['brandAuxPublisher']} BrandAuxPublisher */ | ||
| /** @typedef {BoardAuxManager['boardAuxTOFU']} BoardAuxTOFU */ | ||
| /** @typedef {BoardAuxManager['boardAuxAdmin']} BoardAuxAdmin */ | ||
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| /** | ||
| * @typedef {import('./core-types').PromiseSpaceOf<{ | ||
| * brandAuxPublisher: BrandAuxPublisher; | ||
| * boardAuxTOFU: BoardAuxTOFU; | ||
| * boardAuxAdmin: BoardAuxAdmin; | ||
| * }>} BoardAuxPowers | ||
| */ | ||
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| /** | ||
| * @param {import('./core-types').BootstrapPowers | ||
| * & import('./marshal-produce').Endo1Space | ||
| * & BoardAuxPowers | ||
| * } powers | ||
| */ | ||
| export const produceBoardAuxManager = async powers => { | ||
| const { zone } = powers; | ||
| const { board, chainStorage, endo1 } = powers.consume; | ||
| const { marshal } = await endo1; | ||
| const { makeMarshal } = marshal; | ||
| const marshalData = makeMarshal(_val => Fail`data only`); | ||
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| const mgr = makeBoardAuxManager(zone, marshalData, { board, chainStorage }); | ||
| powers.produce.brandAuxPublisher.reset(); | ||
| powers.produce.boardAuxTOFU.reset(); | ||
| powers.produce.boardAuxAdmin.reset(); | ||
| powers.produce.brandAuxPublisher.resolve(mgr.brandAuxPublisher); | ||
| powers.produce.boardAuxTOFU.resolve(mgr.boardAuxTOFU); | ||
| powers.produce.boardAuxAdmin.resolve(mgr.boardAuxAdmin); | ||
| }; | ||
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| export const permit = { | ||
| zone: true, | ||
| consume: { board: true, chainStorage: true, endo1: true }, | ||
| produce: { | ||
| brandAuxPublisher: true, | ||
| boardAuxTOFU: true, | ||
| boardAuxAdmin: true, | ||
| }, | ||
| }; | ||
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| export const manifest = { | ||
| [produceBoardAuxManager.name]: permit, | ||
| }; | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| import type { Zone } from '@agoric/zone'; | ||
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| // XXX how to import types from @agoric/vats? | ||
| // cf. https://github.com/Agoric/agoric-sdk/blob/master/packages/vats/src/core/types-ambient.d.ts | ||
| type Board = { getId: (key: unknown) => string }; | ||
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| type WellKnown = { | ||
| asset: 'BLD' | 'IST'; | ||
| contract: 'VaultFactory' | 'FeeDistributor'; | ||
| }; | ||
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| // TODO: include AssetKind { IST: 'nat', ... } | ||
| type AssetsSpace<T extends string> = { | ||
| brand: PromiseSpaceOf<Record<T, Brand>>; | ||
| issuer: PromiseSpaceOf<Record<T, Issuer>>; | ||
| }; | ||
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| // TODO: include contract start function types | ||
| type ContractSpace<T extends string> = { | ||
| installation: PromiseSpaceOf<Record<T, Installation>>; | ||
| instance: PromiseSpaceOf<Record<T, Instance>>; | ||
| }; | ||
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| type WellKnownSpaces = AssetsSpace<WellKnown['asset']> & | ||
| ContractSpace<WellKnown['contract']>; | ||
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| type BootstrapSpace = PromiseSpaceOf<{ | ||
| chainStorage: StorageNode; | ||
| board: Board; | ||
| startUpgradable: (...args: unknown[]) => any; | ||
| zoe: ZoeService; | ||
| }>; | ||
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| type BootstrapPowers = BootstrapSpace & | ||
| WellKnownSpaces & { | ||
| zone: Zone; | ||
| }; | ||
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| type Producer<T> = { | ||
| resolve: (v: ERef<T>) => void; | ||
| reject: (r: unknown) => void; | ||
| reset: (reason?: unknown) => void; | ||
| }; | ||
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| /** | ||
| * @template B - Bidirectional | ||
| * @template C - Consume only | ||
| * @template P - Produce only | ||
| */ | ||
| type PromiseSpaceOf<B, C = {}, P = {}> = { | ||
| consume: { [K in keyof (B & C)]: Promise<(B & C)[K]> }; | ||
| produce: { [K in keyof (B & P)]: Producer<(B & P)[K]> }; | ||
| }; | ||
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| type BootstrapManifestPermit = | ||
| | true | ||
| | string | ||
| | { [key: string]: BootstrapManifestPermit }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| // @ts-check | ||
| import * as marshal from '@endo/marshal'; | ||
| import * as patterns from '@endo/patterns'; | ||
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| /** | ||
| * @typedef {{ | ||
| * endo1: { | ||
| * marshal: typeof import('@endo/marshal'); | ||
| * patterns: typeof import('@endo/patterns'); | ||
| * } | ||
| * }} Endo1Modules | ||
|
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There was a problem hiding this comment. This is cool! Why There was a problem hiding this comment. cuz it doesn't have all of the endo modules; just the ones needed by this 1st use case but that reminds me... I should get input from endo folks such as @kriskowal |
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| * @typedef {import('./core-types').PromiseSpaceOf<Endo1Modules>} Endo1Space | ||
| */ | ||
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| /** | ||
| * Make @endo/marshal, @endo/patterns available to CoreEval scripts. | ||
| * | ||
| * @param {import('./core-types').BootstrapPowers & Endo1Space} permittedPowers | ||
| */ | ||
| export const produceEndoModules = permittedPowers => { | ||
| const { produce } = permittedPowers; | ||
| const endo = { marshal, patterns }; | ||
| produce.endo1.resolve(endo); | ||
| }; | ||
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| /** @type {import('./core-types').BootstrapManifestPermit} */ | ||
| export const permit = { | ||
| /** @type {Record<keyof Endo1Modules, true>} */ | ||
| produce: { endo1: true }, | ||
| }; | ||
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| export const manifest = { | ||
| [produceEndoModules.name]: permit, | ||
| }; | ||
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