Add ExtensionStore (from @polkadot/extension) (#142)

* Add ExtensionStore (from @polkadot/extension)

* Consistent naming, untested/unused File store

* Update File.ts

package.json

@@ -25,7 +25,7 @@
     "@babel/core": "^7.4.5",
     "@babel/runtime": "^7.4.5",
     "@polkadot/dev-react": "^0.30.0-beta.9",
-    "@polkadot/ts": "^0.1.58",
+    "@polkadot/ts": "^0.1.59",
     "empty": "^0.10.1",
     "gh-pages": "^2.0.1"
   }

packages/ui-keyring/package.json

@@ -11,7 +11,10 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.4.5",
+    "@types/mkdirp": "^0.5.2",
     "@types/store": "^2.0.2",
+    "extensionizer": "^1.0.1",
+    "mkdirp": "^0.5.1",
     "store": "^2.0.12",
     "styled-components": "^4.2.0"
   },

packages/ui-keyring/src/Base.ts

@@ -14,7 +14,7 @@ import accounts from './observable/accounts';
 import addresses from './observable/addresses';
 import contracts from './observable/contracts';
 import env from './observable/development';
-import LocalStorageStore from './stores/LocalStorage';
+import { BrowserStore } from './stores';
 import { MAX_PASS_LEN } from './defaults';
 
 export default class Base {
@@ -108,7 +108,7 @@ export default class Base {
 
     this._keyring = keyring;
     this._genesisHash = options.genesisHash && options.genesisHash.toHex();
-    this._store = options.store || new LocalStorageStore();
+    this._store = options.store || new BrowserStore();
 
     this.addAccountPairs();
   }

packages/ui-keyring/src/index.ts

@@ -5,6 +5,7 @@
 import { assertSingletonPackage } from '@polkadot/util';
 
 import keyring, { Keyring } from './Keyring';
+export * from './stores';
 
 assertSingletonPackage('@polkadot/ui-keyring');
 

packages/ui-keyring/src/stores/Browser.ts

@@ -6,7 +6,7 @@ import { KeyringStore } from '../types';
 
 import store from 'store';
 
-export default class Store implements KeyringStore {
+export default class BrowserStore implements KeyringStore {
   all (cb: (key: string, value: any) => void): void {
     store.each((value: any, key: string) =>
       cb(key, value)

packages/ui-keyring/src/stores/Extension.ts

@@ -0,0 +1,58 @@
+// Copyright 2019 @polkadot/ui-keyring authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { KeyringStore } from '../types';
+
+import extension from 'extensionizer';
+
+const lastError = (type: string): void => {
+  const error = extension.runtime.lastError;
+
+  if (error) {
+    console.error(`ExtensionStore.${type}:: runtime.lastError:`, error);
+  }
+};
+
+export default class ExtensionStore implements KeyringStore {
+  all (cb: (key: string, value: any) => void): void {
+    extension.storage.local.get(null, (result: { [index: string]: any }) => {
+      lastError('all');
+
+      Object.entries(result).forEach(([key, value]) =>
+        cb(key, value)
+      );
+    });
+  }
+
+  get (key: string, cb: (value: any) => void): void {
+    extension.storage.local.get([key], (result: { [index: string]: any }) => {
+      lastError('get');
+
+      cb(result[key]);
+    });
+  }
+
+  remove (key: string, cb?: () => void): void {
+    extension.storage.local.remove(key, () => {
+      lastError('remove');
+
+      cb && cb();
+    });
+  }
+
+  set (key: string, value: any, cb?: () => void): void {
+    // shortcut, don't save testing accounts in extension storage
+    if (key.indexOf('account:') === 0 && value.meta && value.meta.isTesting) {
+      cb && cb();
+
+      return;
+    }
+
+    extension.storage.local.set({ [key]: value }, () => {
+      lastError('set');
+
+      cb && cb();
+    });
+  }
+}

packages/ui-keyring/src/stores/File.ts

@@ -0,0 +1,53 @@
+// Copyright 2017-2019 @polkadot/ui-keyring authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { KeyringStore } from '../types';
+
+import fs from 'fs';
+import mkdirp from 'mkdirp';
+import path from 'path';
+
+// NOTE untested and unused by any known apps, probably broken in various mysterious ways
+export default class FileStore implements KeyringStore {
+  private _path: string;
+
+  constructor (path: string) {
+    if (!fs.existsSync(path)) {
+      mkdirp.sync(path);
+    }
+
+    this._path = path;
+  }
+
+  all (cb: (key: string, value: any) => void): void {
+    fs
+      .readdirSync(this._path)
+      .filter((key) => !['.', '..'].includes(key))
+      .forEach((key) => cb(key, this._readKey(key)));
+  }
+
+  get (key: string, cb: (value: any) => void): void {
+    cb(this._readKey(key));
+  }
+
+  remove (key: string, cb?: () => void): void {
+    fs.unlinkSync(this._getPath(key));
+    cb && cb();
+  }
+
+  set (key: string, value: any, cb?: () => void): void {
+    fs.writeFileSync(this._getPath(key), Buffer.from(JSON.stringify(value), 'utf-8'));
+    cb && cb();
+  }
+
+  private _getPath (key: string): string {
+    return path.join(this._path, key);
+  }
+
+  private _readKey (key: string): any {
+    return JSON.parse(
+      fs.readFileSync(this._getPath(key)).toString('utf-8')
+    );
+  }
+}

packages/ui-keyring/src/stores/index.ts

@@ -0,0 +1,7 @@
+// Copyright 2017-2019 @polkadot/ui-keyring authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+export { default as BrowserStore } from './Browser';
+export { default as ExtensionStore } from './Extension';
+export { default as FileStore } from './File';

yarn.lock

@@ -1835,10 +1835,12 @@
     "@types/bs58" "^4.0.0"
     bs58 "^4.0.1"
 
-"@polkadot/ts@^0.1.58":
+"@polkadot/ts@^0.1.59":
-  version "0.1.58"
+  version "0.1.59"
-  resolved "https://registry.yarnpkg.com/@polkadot/ts/-/ts-0.1.58.tgz#bd8883d590fc5be27e1db75c5c629e6bc8c4ce5c"
+  resolved "https://registry.yarnpkg.com/@polkadot/ts/-/ts-0.1.59.tgz#e7418db78ad50291a46d61a3ab34ab465c0c3bf0"
-  integrity sha512-+veSrr59SefA43RX034eef1T8qhO15Ye0BQ1+3FxjuFBnlCVmzj6iKGuzCtp4kGp3uFeotQ3m/2xMA+akSwq4Q==
+  integrity sha512-+kiST4RjeuyMWu2HdqIA6Ph2AifjGvlQ5bLDe9mfuApH07h8fgtzu+xVE4FZvMkLtjyKD+FSbB/oVplq2R1WEw==
+  dependencies:
+    "@types/chrome" "^0.0.86"
 
 "@polkadot/types@^0.80.1":
   version "0.80.1"
@@ -1948,6 +1950,13 @@
   dependencies:
     "@types/base-x" "*"
 
+"@types/chrome@^0.0.86":
+  version "0.0.86"
+  resolved "https://registry.yarnpkg.com/@types/chrome/-/chrome-0.0.86.tgz#1026ef8e76db4fde1859cae858d73236fe670d69"
+  integrity sha512-7ehebPf/5IR64SYdD2Vig0q0oUCNbWMQ29kASlNJaHVVtA5/J/DnrxnYVPCID70o7LgHdYsav6I4/XdqAxjTLQ==
+  dependencies:
+    "@types/filesystem" "*"
+
 "@types/color-convert@*":
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/@types/color-convert/-/color-convert-1.9.0.tgz#bfa8203e41e7c65471e9841d7e306a7cd8b5172d"
@@ -1977,6 +1986,18 @@
   resolved "https://registry.yarnpkg.com/@types/events/-/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"
   integrity sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==
 
+"@types/filesystem@*":
+  version "0.0.29"
+  resolved "https://registry.yarnpkg.com/@types/filesystem/-/filesystem-0.0.29.tgz#ee3748eb5be140dcf980c3bd35f11aec5f7a3748"
+  integrity sha512-85/1KfRedmfPGsbK8YzeaQUyV1FQAvMPMTuWFQ5EkLd2w7szhNO96bk3Rh/SKmOfd9co2rCLf0Voy4o7ECBOvw==
+  dependencies:
+    "@types/filewriter" "*"
+
+"@types/filewriter@*":
+  version "0.0.28"
+  resolved "https://registry.yarnpkg.com/@types/filewriter/-/filewriter-0.0.28.tgz#c054e8af4d9dd75db4e63abc76f885168714d4b3"
+  integrity sha1-wFTor02d11205jq8dviFFocU1LM=
+
 "@types/fs-extra@^5.0.3":
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/@types/fs-extra/-/fs-extra-5.1.0.tgz#2a325ef97901504a3828718c390d34b8426a10a1"
@@ -2052,6 +2073,13 @@
   resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.3.tgz#3dca0e3f33b200fc7d1139c0cd96c1268cadfd9d"
   integrity sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==
 
+"@types/mkdirp@^0.5.2":
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/@types/mkdirp/-/mkdirp-0.5.2.tgz#503aacfe5cc2703d5484326b1b27efa67a339c1f"
+  integrity sha512-U5icWpv7YnZYGsN4/cmh3WD2onMY0aJIiTE6+51TwJCttdHvtCYmkBNOobHlXwrJRL0nkH9jH4kD+1FAdMN4Tg==
+  dependencies:
+    "@types/node" "*"
+
 "@types/node@*", "@types/node@^12.0.4":
   version "12.0.5"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.0.5.tgz#ac14404c33d1a789973c45379a67f7f7e58a01b9"
@@ -5378,6 +5406,11 @@ extend@~3.0.2:
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
   integrity sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==
 
+extensionizer@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/extensionizer/-/extensionizer-1.0.1.tgz#504544239a7610ba8404b15c1832091a37768d09"
+  integrity sha512-UES5CSOYqshNsWFrpORcQR47+ph6UvQK25mguD44IyeMemt40CG+LTZrH1PgpGUHX3w7ACtNQnmM0J+qEe8G0Q==
+
 external-editor@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-3.0.3.tgz#5866db29a97826dbe4bf3afd24070ead9ea43a27"