diff --git a/packages/examples/README.md b/packages/examples/README.md index 02631122bb..fc45bdcde5 100644 --- a/packages/examples/README.md +++ b/packages/examples/README.md @@ -66,6 +66,9 @@ The following is a list of the snaps in this directory. - [**`packages/notifications`**](./packages/notifications): This snap demonstrates how to use the `snap_notify` method to display notifications to the user, either as a MetaMask notification or as a desktop notification. +- [**`packages/preferences`**](./packages/preferences): This snap + demonstrates how to use the `snap_getPreferences` method to get the user's preferences + from the executing client. - [**`packages/transaction-insights`**](./packages/transaction-insights): This snap demonstrates how to use `endowment:transaction-insights` permission, and provide transaction insights to the user. diff --git a/packages/examples/packages/preferences/.depcheckrc.json b/packages/examples/packages/preferences/.depcheckrc.json new file mode 100644 index 0000000000..c437c59cd2 --- /dev/null +++ b/packages/examples/packages/preferences/.depcheckrc.json @@ -0,0 +1,18 @@ +{ + "ignore-patterns": ["dist", "coverage"], + "ignores": [ + "@lavamoat/allow-scripts", + "@lavamoat/preinstall-always-fail", + "@metamask/auto-changelog", + "@metamask/eslint-*", + "@types/*", + "@typescript-eslint/*", + "eslint-config-*", + "eslint-plugin-*", + "jest-silent-reporter", + "prettier-plugin-packagejson", + "ts-node", + "typedoc", + "typescript" + ] +} diff --git a/packages/examples/packages/preferences/CHANGELOG.md b/packages/examples/packages/preferences/CHANGELOG.md new file mode 100644 index 0000000000..720e00537e --- /dev/null +++ b/packages/examples/packages/preferences/CHANGELOG.md @@ -0,0 +1,10 @@ +# Changelog + +All notable changes to this project will be documented in this file. + +The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), +and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). + +## [Unreleased] + +[Unreleased]: https://github.com/MetaMask/snaps/ diff --git a/packages/examples/packages/preferences/LICENSE.APACHE2 b/packages/examples/packages/preferences/LICENSE.APACHE2 new file mode 100644 index 0000000000..8194a06aee --- /dev/null +++ b/packages/examples/packages/preferences/LICENSE.APACHE2 @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/packages/examples/packages/preferences/README.md b/packages/examples/packages/preferences/README.md new file mode 100644 index 0000000000..7a4a7c7260 --- /dev/null +++ b/packages/examples/packages/preferences/README.md @@ -0,0 +1,10 @@ +# `@metamask/preferences-example-snap` + +This Snap demonstrates how to use `snap_getPreferences` to get the users preferences from the client. + +## Snap usage + +This Snap exposes an `onRpcRequest` handler, which supports the following +JSON-RPC methods: + +- `getPreferences` - Return the preferences from the client. diff --git a/packages/examples/packages/preferences/jest.config.js b/packages/examples/packages/preferences/jest.config.js new file mode 100644 index 0000000000..f473a91b83 --- /dev/null +++ b/packages/examples/packages/preferences/jest.config.js @@ -0,0 +1,36 @@ +const deepmerge = require('deepmerge'); + +const baseConfig = require('../../../../jest.config.base'); + +module.exports = deepmerge(baseConfig, { + preset: '@metamask/snaps-jest', + + // Since `@metamask/snaps-jest` runs in the browser, we can't collect + // coverage information. + collectCoverage: false, + + // This is required for the tests to run inside the `MetaMask/snaps` + // repository. You don't need this in your own project. + moduleNameMapper: { + '^@metamask/(.+)/production/jsx-runtime': [ + '/../../../$1/src/jsx/production/jsx-runtime', + '/../../../../node_modules/@metamask/$1/jsx/production/jsx-runtime', + '/node_modules/@metamask/$1/jsx/production/jsx-runtime', + ], + '^@metamask/(.+)/jsx': [ + '/../../../$1/src/jsx', + '/../../../../node_modules/@metamask/$1/jsx', + '/node_modules/@metamask/$1/jsx', + ], + '^@metamask/(.+)/node$': [ + '/../../../$1/src/node', + '/../../../../node_modules/@metamask/$1/node', + '/node_modules/@metamask/$1/node', + ], + '^@metamask/(.+)$': [ + '/../../../$1/src', + '/../../../../node_modules/@metamask/$1', + '/node_modules/@metamask/$1', + ], + }, +}); diff --git a/packages/examples/packages/preferences/package.json b/packages/examples/packages/preferences/package.json new file mode 100644 index 0000000000..cc741a2efe --- /dev/null +++ b/packages/examples/packages/preferences/package.json @@ -0,0 +1,74 @@ +{ + "name": "@metamask/preferences-example-snap", + "version": "0.0.0", + "description": "MetaMask example Snap demonstrating the use of `snap_getPreferences`", + "keywords": [ + "MetaMask", + "Snaps", + "Ethereum" + ], + "homepage": "https://github.com/MetaMask/snaps/tree/main/packages/examples/packages/preferences#readme", + "bugs": { + "url": "https://github.com/MetaMask/snaps/issues" + }, + "repository": { + "type": "git", + "url": "https://github.com/MetaMask/snaps.git" + }, + "license": "(MIT-0 OR Apache-2.0)", + "sideEffects": false, + "main": "./dist/bundle.js", + "files": [ + "dist", + "snap.manifest.json" + ], + "scripts": { + "build": "mm-snap build", + "build:clean": "yarn clean && yarn build", + "changelog:update": "../../../../scripts/update-changelog.sh @metamask/preferences-example-snap", + "changelog:validate": "../../../../scripts/validate-changelog.sh @metamask/preferences-example-snap", + "clean": "rimraf \"dist\"", + "lint": "yarn lint:eslint && yarn lint:misc --check && yarn changelog:validate && yarn lint:dependencies", + "lint:ci": "yarn lint", + "lint:dependencies": "depcheck", + "lint:eslint": "eslint . --cache", + "lint:fix": "yarn lint:eslint --fix && yarn lint:misc --write", + "lint:misc": "prettier --no-error-on-unmatched-pattern --log-level warn \"**/*.json\" \"**/*.md\" \"**/*.html\" \"!CHANGELOG.md\" \"!snap.manifest.json\" --ignore-path ../../../../.gitignore", + "publish:preview": "yarn npm publish --tag preview", + "since-latest-release": "../../../../scripts/since-latest-release.sh", + "start": "mm-snap watch", + "test": "jest --reporters=jest-silent-reporter", + "test:clean": "jest --clearCache", + "test:verbose": "jest --verbose", + "test:watch": "jest --watch" + }, + "dependencies": { + "@metamask/snaps-sdk": "workspace:^" + }, + "devDependencies": { + "@jest/globals": "^29.5.0", + "@lavamoat/allow-scripts": "^3.0.4", + "@metamask/auto-changelog": "^4.1.0", + "@metamask/snaps-cli": "workspace:^", + "@metamask/snaps-jest": "workspace:^", + "@swc/core": "1.3.78", + "@swc/jest": "^0.2.26", + "@types/node": "18.14.2", + "deepmerge": "^4.2.2", + "depcheck": "^1.4.7", + "eslint": "^9.11.0", + "jest": "^29.0.2", + "jest-silent-reporter": "^0.6.0", + "prettier": "^3.3.3", + "rimraf": "^4.1.2", + "ts-node": "^10.9.1", + "typescript": "~5.3.3" + }, + "engines": { + "node": "^18.16 || >=20" + }, + "publishConfig": { + "access": "public", + "registry": "https://registry.npmjs.org/" + } +} diff --git a/packages/examples/packages/preferences/snap.config.ts b/packages/examples/packages/preferences/snap.config.ts new file mode 100644 index 0000000000..2f76f17403 --- /dev/null +++ b/packages/examples/packages/preferences/snap.config.ts @@ -0,0 +1,17 @@ +import type { SnapConfig } from '@metamask/snaps-cli'; +import { resolve } from 'path'; + +const config: SnapConfig = { + input: resolve(__dirname, 'src/index.ts'), + server: { + port: 8033, + }, + typescript: { + enabled: true, + }, + stats: { + buffer: false, + }, +}; + +export default config; diff --git a/packages/examples/packages/preferences/snap.manifest.json b/packages/examples/packages/preferences/snap.manifest.json new file mode 100644 index 0000000000..ff8622ac9e --- /dev/null +++ b/packages/examples/packages/preferences/snap.manifest.json @@ -0,0 +1,28 @@ +{ + "version": "0.0.0", + "description": "MetaMask example Snap demonstrating the use of `snap_getPreferences`", + "proposedName": "Preferences Example Snap", + "repository": { + "type": "git", + "url": "https://github.com/MetaMask/snaps.git" + }, + "source": { + "shasum": "xb+s96cyPehIGt7HbyEaJwU9oA5vEyYKsGaMVOtor7o=", + "location": { + "npm": { + "filePath": "dist/bundle.js", + "packageName": "@metamask/preferences-example-snap", + "registry": "https://registry.npmjs.org/" + } + } + }, + "initialPermissions": { + "endowment:rpc": { + "dapps": true, + "snaps": false + }, + "snap_getPreferences": {} + }, + "platformVersion": "6.18.0", + "manifestVersion": "0.1" +} diff --git a/packages/examples/packages/preferences/src/index.test.ts b/packages/examples/packages/preferences/src/index.test.ts new file mode 100644 index 0000000000..8f29e19671 --- /dev/null +++ b/packages/examples/packages/preferences/src/index.test.ts @@ -0,0 +1,73 @@ +import { expect } from '@jest/globals'; +import { installSnap } from '@metamask/snaps-jest'; + +describe('onRpcRequest', () => { + it('throws an error if the requested method does not exist', async () => { + const { request } = await installSnap(); + + const response = await request({ + method: 'foo', + }); + + expect(response).toRespondWithError({ + code: -32601, + message: 'The method does not exist / is not available.', + stack: expect.any(String), + data: { + method: 'foo', + cause: null, + }, + }); + }); + + describe('getPreferences', () => { + it('returns the result from snap_getPreferences', async () => { + const { request } = await installSnap(); + + const response = await request({ + method: 'getPreferences', + }); + + expect(response).toRespondWith({ + currency: 'usd', + locale: 'en', + hideBalances: false, + useSecurityAlerts: true, + simulateOnChainActions: true, + useTokenDetection: true, + batchCheckBalances: true, + displayNftMedia: true, + useNftDetection: true, + useExternalPricingData: true, + }); + }); + + it('returns the result from snap_getPreferences with set options', async () => { + const { request } = await installSnap({ + options: { + locale: 'foo', + useTokenDetection: false, + useNftDetection: false, + useExternalPricingData: false, + }, + }); + + const response = await request({ + method: 'getPreferences', + }); + + expect(response).toRespondWith({ + currency: 'usd', + locale: 'foo', + hideBalances: false, + useSecurityAlerts: true, + simulateOnChainActions: true, + useTokenDetection: false, + batchCheckBalances: true, + displayNftMedia: true, + useNftDetection: false, + useExternalPricingData: false, + }); + }); + }); +}); diff --git a/packages/examples/packages/preferences/src/index.ts b/packages/examples/packages/preferences/src/index.ts new file mode 100644 index 0000000000..9e7c54f279 --- /dev/null +++ b/packages/examples/packages/preferences/src/index.ts @@ -0,0 +1,29 @@ +import { + MethodNotFoundError, + type OnRpcRequestHandler, +} from '@metamask/snaps-sdk'; + +/** + * Handle incoming JSON-RPC requests from the dapp, sent through the + * `wallet_invokeSnap` method. This handler handles a single method: + * + * - `getPreferences`: Get the user's preferences from the executing client. This demonstrates + * that a snap can access user's preferences of the client that is executing the snap at runtime. + * + * @param params - The request parameters. + * @param params.request - The JSON-RPC request object. + * @returns The JSON-RPC response. + * @see https://docs.metamask.io/snaps/reference/exports/#onrpcrequest + * @see https://docs.metamask.io/snaps/reference/rpc-api/#wallet_invokesnap + * @see https://docs.metamask.io/snaps/reference/snaps-api/#snap_getpreferences + */ +export const onRpcRequest: OnRpcRequestHandler = async ({ request }) => { + switch (request.method) { + case 'getPreferences': { + return snap.request({ method: 'snap_getPreferences' }); + } + + default: + throw new MethodNotFoundError({ method: request.method }); + } +}; diff --git a/packages/examples/packages/preferences/tsconfig.json b/packages/examples/packages/preferences/tsconfig.json new file mode 100644 index 0000000000..17a40a6a74 --- /dev/null +++ b/packages/examples/packages/preferences/tsconfig.json @@ -0,0 +1,8 @@ +{ + "extends": "../../tsconfig.json", + "compilerOptions": { + "composite": false, + "baseUrl": "./" + }, + "include": ["src", "snap.config.ts"] +} diff --git a/packages/test-snaps/package.json b/packages/test-snaps/package.json index 16bc1d1c48..7c9dcd492a 100644 --- a/packages/test-snaps/package.json +++ b/packages/test-snaps/package.json @@ -64,6 +64,7 @@ "@metamask/name-lookup-example-snap": "workspace:^", "@metamask/network-example-snap": "workspace:^", "@metamask/notification-example-snap": "workspace:^", + "@metamask/preferences-example-snap": "workspace:^", "@metamask/preinstalled-example-snap": "workspace:^", "@metamask/protocol-example-snap": "workspace:^", "@metamask/send-flow-example-snap": "workspace:^", diff --git a/packages/test-snaps/src/features/snaps/index.ts b/packages/test-snaps/src/features/snaps/index.ts index 87d3fcd1a9..8b241249a9 100644 --- a/packages/test-snaps/src/features/snaps/index.ts +++ b/packages/test-snaps/src/features/snaps/index.ts @@ -22,6 +22,7 @@ export * from './name-lookup'; export * from './network-access'; export * from './notifications'; export * from './preinstalled'; +export * from './preferences'; export * from './protocol'; export * from './transaction-insights'; export * from './signature-insights'; diff --git a/packages/test-snaps/src/features/snaps/preferences/Preferences.tsx b/packages/test-snaps/src/features/snaps/preferences/Preferences.tsx new file mode 100644 index 0000000000..fe4b09e2b0 --- /dev/null +++ b/packages/test-snaps/src/features/snaps/preferences/Preferences.tsx @@ -0,0 +1,49 @@ +import { logError } from '@metamask/snaps-utils'; +import type { FunctionComponent } from 'react'; +import { Button } from 'react-bootstrap'; + +import { + PREFERENCES_SNAP_ID, + PREFERENCES_SNAP_PORT, + PREFERENCES_VERSION, +} from './constants'; +import { useInvokeMutation } from '../../../api'; +import { Result, Snap } from '../../../components'; +import { getSnapId } from '../../../utils'; + +export const Preferences: FunctionComponent = () => { + const [invokeSnap, { isLoading, data, error }] = useInvokeMutation(); + + const handleSubmit = () => { + invokeSnap({ + snapId: getSnapId(PREFERENCES_SNAP_ID, PREFERENCES_SNAP_PORT), + method: 'getPreferences', + }).catch(logError); + }; + + return ( + + + + + {JSON.stringify(data, null, 2)} + {JSON.stringify(error, null, 2)} + + + + ); +}; diff --git a/packages/test-snaps/src/features/snaps/preferences/constants.ts b/packages/test-snaps/src/features/snaps/preferences/constants.ts new file mode 100644 index 0000000000..ca101d2825 --- /dev/null +++ b/packages/test-snaps/src/features/snaps/preferences/constants.ts @@ -0,0 +1,5 @@ +import packageJson from '@metamask/preferences-example-snap/package.json'; + +export const PREFERENCES_SNAP_ID = 'npm:@metamask/preferences-example-snap'; +export const PREFERENCES_SNAP_PORT = 8033; +export const PREFERENCES_VERSION = packageJson.version; diff --git a/packages/test-snaps/src/features/snaps/preferences/index.ts b/packages/test-snaps/src/features/snaps/preferences/index.ts new file mode 100644 index 0000000000..ed07911fb0 --- /dev/null +++ b/packages/test-snaps/src/features/snaps/preferences/index.ts @@ -0,0 +1 @@ +export * from './Preferences'; diff --git a/yarn.lock b/yarn.lock index 7cb94946a1..cd4955910a 100644 --- a/yarn.lock +++ b/yarn.lock @@ -5038,6 +5038,31 @@ __metadata: languageName: node linkType: hard +"@metamask/preferences-example-snap@workspace:^, @metamask/preferences-example-snap@workspace:packages/examples/packages/preferences": + version: 0.0.0-use.local + resolution: "@metamask/preferences-example-snap@workspace:packages/examples/packages/preferences" + dependencies: + "@jest/globals": "npm:^29.5.0" + "@lavamoat/allow-scripts": "npm:^3.0.4" + "@metamask/auto-changelog": "npm:^4.1.0" + "@metamask/snaps-cli": "workspace:^" + "@metamask/snaps-jest": "workspace:^" + "@metamask/snaps-sdk": "workspace:^" + "@swc/core": "npm:1.3.78" + "@swc/jest": "npm:^0.2.26" + "@types/node": "npm:18.14.2" + deepmerge: "npm:^4.2.2" + depcheck: "npm:^1.4.7" + eslint: "npm:^9.11.0" + jest: "npm:^29.0.2" + jest-silent-reporter: "npm:^0.6.0" + prettier: "npm:^3.3.3" + rimraf: "npm:^4.1.2" + ts-node: "npm:^10.9.1" + typescript: "npm:~5.3.3" + languageName: unknown + linkType: soft + "@metamask/preinstalled-example-snap@workspace:^, @metamask/preinstalled-example-snap@workspace:packages/examples/packages/preinstalled": version: 0.0.0-use.local resolution: "@metamask/preinstalled-example-snap@workspace:packages/examples/packages/preinstalled" @@ -5902,6 +5927,7 @@ __metadata: "@metamask/name-lookup-example-snap": "workspace:^" "@metamask/network-example-snap": "workspace:^" "@metamask/notification-example-snap": "workspace:^" + "@metamask/preferences-example-snap": "workspace:^" "@metamask/preinstalled-example-snap": "workspace:^" "@metamask/protocol-example-snap": "workspace:^" "@metamask/providers": "npm:^20.0.0"