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Jaco Greeff
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packages/ui-keyring/LICENSE
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packages/ui-keyring/README.md
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# @polkadot/ui-keyring
packages/ui-keyring/package.json
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{
"name": "@polkadot/ui-keyring",
"version": "0.22.0",
"main": "index.js",
"repository": "https://github.com/polkadot-js/apps.git",
"author": "Jaco Greeff <jacogr@gmail.com>",
"maintainers": [
"Jaco Greeff <jacogr@gmail.com>"
],
"contributors": [],
"license": "Apache-2.0",
"dependencies": {
"@babel/runtime": "^7.1.5",
"@polkadot/keyring": "^0.33.7",
"store": "^2.0.12"
}
}
packages/ui-keyring/src/defaults.ts
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// Copyright 2017-2018 @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 { u8aToHex } from '@polkadot/util';
import { decodeAddress } from '@polkadot/keyring';
const ACCOUNT_PREFIX = 'account:';
const ADDRESS_PREFIX = 'address:';
const MAX_PASS_LEN = 32;
function toHex (address: string): string {
return u8aToHex(
decodeAddress(address)
);
}
const accountKey = (address: string): string =>
`${ACCOUNT_PREFIX}${toHex(address)}`;
const addressKey = (address: string): string =>
`${ADDRESS_PREFIX}${toHex(address)}`;
const accountRegex = new RegExp(`^${ACCOUNT_PREFIX}`, '');
const addressRegex = new RegExp(`^${ADDRESS_PREFIX}`, '');
export {
accountKey,
accountRegex,
addressKey,
addressRegex,
MAX_PASS_LEN
};
packages/ui-keyring/src/index.ts
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// Copyright 2017-2018 @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 { Prefix } from '@polkadot/keyring/address/types';
import { KeyringInstance as BaseKeyringInstance, KeyringPair, KeyringPair$Meta, KeyringPair$Json } from '@polkadot/keyring/types';
import { AccountSubject, AddressSubject, SingleAddress } from './observable/types';
import { KeyringAddress, KeyringJson, KeyringJson$Meta, KeyringStruct } from './types';
import store from 'store';
import createPair from '@polkadot/keyring/pair';
import testKeyring from '@polkadot/keyring/testing';
import { hexToU8a, isHex, isString } from '@polkadot/util';
import accounts from './observable/accounts';
import addresses from './observable/addresses';
import env from './observable/development';
import { accountKey, addressKey, accountRegex, addressRegex, MAX_PASS_LEN } from './defaults';
import keyringOption from './options';
// No accounts (or test accounts) should be loaded until after the chain determination.
// Chain determination occurs outside of Keyring. Loading `keyring.loadAll()` is triggered
// from the API after the chain is received
class Keyring implements KeyringStruct {
private _accounts: AccountSubject;
private _addresses: AddressSubject;
private _keyring?: BaseKeyringInstance;
private _prefix: Prefix;
constructor () {
this._accounts = accounts;
this._addresses = addresses;
this._keyring = undefined;
this._prefix = 42;
}
get accounts () {
return this._accounts;
}
get addresses () {
return this._addresses;
}
get keyring (): BaseKeyringInstance {
if (this._keyring) {
return this._keyring;
}
throw new Error(`Keyring should be initialised via 'loadAll' before use`);
}
decodeAddress (key: string | Uint8Array): Uint8Array {
return this.keyring.decodeAddress(key);
}
encodeAddress (key: string | Uint8Array): string {
return this.keyring.encodeAddress(key);
}
setAddressPrefix (prefix: number): void {
this._prefix = prefix as Prefix;
}
private setKeyring (keyring: BaseKeyringInstance): void {
this._keyring = keyring;
}
private addAccountPairs (): void {
this.keyring
.getPairs()
.forEach((pair: KeyringPair) => {
const address = pair.address();
this.accounts.add(address, {
address,
meta: pair.getMeta()
});
});
}
private addTimestamp (pair: KeyringPair): void {
if (!pair.getMeta().whenCreated) {
pair.setMeta({
whenCreated: Date.now()
});
}
}
addAccountPair (pair: KeyringPair, password: string): KeyringPair {
this.keyring.addPair(pair);
this.saveAccount(pair, password);
return pair;
}
backupAccount (pair: KeyringPair, password: string): KeyringPair$Json {
if (!pair.isLocked()) {
pair.lock();
}
pair.decodePkcs8(password);
return pair.toJson(password);
}
createAccount (seed: Uint8Array, password?: string, meta: KeyringPair$Meta = {}): KeyringPair {
const pair = this.keyring.addFromSeed(seed, meta);
this.saveAccount(pair, password);
return pair;
}
createAccountMnemonic (seed: string, password?: string, meta: KeyringPair$Meta = {}): KeyringPair {
const pair = this.keyring.addFromMnemonic(seed, meta);
this.saveAccount(pair, password);
return pair;
}
encryptAccount (pair: KeyringPair, password: string): void {
const json = pair.toJson(password);
json.meta.whenEdited = Date.now();
this.keyring.addFromJson(json);
this.accounts.add(json.address, json);
}
forgetAccount (address: string): void {
this.keyring.removePair(address);
this.accounts.remove(address);
}
forgetAddress (address: string): void {
this.addresses.remove(address);
}
getAccount (address: string | Uint8Array): KeyringAddress {
return this.getAddress(address, 'account');
}
getAccounts (): Array<KeyringAddress> {
const available = this.accounts.subject.getValue();
return Object
.keys(available)
.map((address) =>
this.getAddress(address, 'account')
)
.filter((account) =>
env.isDevelopment() || account.getMeta().isTesting !== true
);
}
getAddress (_address: string | Uint8Array, type: 'account' | 'address' = 'address'): KeyringAddress {
const address = isString(_address)
? _address
: this.encodeAddress(_address);
const publicKey = this.decodeAddress(address);
const subject = type === 'account'
? this.accounts.subject
: this.addresses.subject;
return {
address: (): string =>
address,
isValid: (): boolean =>
!!subject.getValue()[address],
publicKey: (): Uint8Array =>
publicKey,
getMeta: (): KeyringJson$Meta =>
subject.getValue()[address].json.meta
};
}
getAddresses (): Array<KeyringAddress> {
const available = this.addresses.subject.getValue();
return Object
.keys(available)
.map((address) =>
this.getAddress(address)
);
}
getPair (address: string | Uint8Array): KeyringPair {
return this.keyring.getPair(address);
}
getPairs (): Array<KeyringPair> {
return this.keyring.getPairs().filter((pair: KeyringPair) =>
env.isDevelopment() || pair.getMeta().isTesting !== true
);
}
isAvailable (_address: Uint8Array | string): boolean {
const accountsValue = this.accounts.subject.getValue();
const addressesValue = this.addresses.subject.getValue();
const address = isString(_address)
? _address
: this.encodeAddress(_address);
return !accountsValue[address] && !addressesValue[address];
}
isPassValid (password: string): boolean {
return password.length > 0 && password.length <= MAX_PASS_LEN;
}
loadAll (): void {
const keyring = testKeyring();
keyring.setAddressPrefix(this._prefix);
this.setKeyring(keyring);
this.addAccountPairs();
store.each((json: KeyringJson, key: string) => {
if (accountRegex.test(key)) {
if (!json.meta.isTesting && (json as KeyringPair$Json).encoded) {
const pair = keyring.addFromJson(json as KeyringPair$Json);
this.accounts.add(pair.address(), json);
}
const [, hexAddr] = key.split(':');
if (hexAddr.substr(0, 2) !== '0x') {
store.remove(key);
store.set(accountKey(hexAddr), json);
}
} else if (addressRegex.test(key)) {
const address = this.encodeAddress(
isHex(json.address)
? hexToU8a(json.address)
: this.decodeAddress(json.address)
);
const [, hexAddr] = key.split(':');
this.addresses.add(address, json);
if (hexAddr.substr(0, 2) !== '0x') {
store.remove(key);
store.set(addressKey(hexAddr), json);
}
}
});
keyringOption.init(this);
}
restoreAccount (json: KeyringPair$Json, password: string): KeyringPair {
const pair = createPair(
{
publicKey: this.decodeAddress(json.address),
secretKey: new Uint8Array()
},
json.meta,
hexToU8a(json.encoded)
);
// unlock, save account and then lock (locking cleans secretKey, so needs to be last)
pair.decodePkcs8(password);
this.addAccountPair(pair, password);
pair.lock();
return pair;
}
saveAccount (pair: KeyringPair, password?: string): void {
this.addTimestamp(pair);
const json = pair.toJson(password);
this.keyring.addFromJson(json);
this.accounts.add(json.address, json);
}
saveAccountMeta (pair: KeyringPair, meta: KeyringPair$Meta): void {
const address = pair.address();
const json = store.get(accountKey(address));
pair.setMeta(meta);
json.meta = pair.getMeta();
this.accounts.add(json.address, json);
}
saveAddress (address: string, meta: KeyringPair$Meta): void {
const available = this.addresses.subject.getValue();
const json = (available[address] && available[address].json) || {
address,
meta: {
isRecent: void 0,
whenCreated: Date.now()
}
};
Object.keys(meta).forEach((key) => {
json.meta[key] = meta[key];
});
delete json.meta.isRecent;
this.addresses.add(address, json);
}
saveRecent (address: string): SingleAddress {
const available = this.addresses.subject.getValue();
if (!available[address]) {
const json = {
address,
meta: {
isRecent: true,
whenCreated: Date.now()
}
};
this.addresses.add(address, (json as KeyringJson));
}
return this.addresses.subject.getValue()[address];
}
setDevMode (isDevelopment: boolean): void {
env.set(isDevelopment);
}
}
const keyringInstance = new Keyring();
export default keyringInstance;
packages/ui-keyring/src/observable/accounts.ts
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// Copyright 2017-2018 @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 { accountKey } from '../defaults';
import genericSubject from './genericSubject';
export default genericSubject(accountKey, true);
packages/ui-keyring/src/observable/addresses.ts
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// Copyright 2017-2018 @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 { addressKey } from '../defaults';
import genericSubject from './genericSubject';
export default genericSubject(addressKey);
packages/ui-keyring/src/observable/development.ts
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// Copyright 2017-2018 @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 { BehaviorSubject } from 'rxjs';
const subject = new BehaviorSubject(false);
export default {
isDevelopment: (): boolean =>
subject.getValue(),
set: (isDevelopment: boolean): void => {
subject.next(isDevelopment);
},
subject
};
packages/ui-keyring/src/observable/genericSubject.ts
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// Copyright 2017-2018 @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 { BehaviorSubject } from 'rxjs';
import { SubjectInfo, AddressSubject, SingleAddress } from './types';
import { KeyringJson } from '../types';
import store from 'store';
import createOptionItem from '../options/item';
import development from './development';
export default function genericSubject (keyCreator: (address: string) => string, withTest: boolean = false): AddressSubject {
let current: SubjectInfo = {};
const subject = new BehaviorSubject({});
const next = (): void => {
const isDevMode = development.isDevelopment();
subject.next(
Object
.keys(current)
.reduce((filtered, key) => {
const { json: { meta: { isTesting = false } = {} } = {} } = current[key];
if (!withTest || isDevMode || isTesting !== true) {
filtered[key] = current[key];
}
return filtered;
}, {} as SubjectInfo)
);
};
development.subject.subscribe(next);
return {
add: (address: string, json: KeyringJson): SingleAddress => {
current = { ...current };
current[address] = {
json,
option: createOptionItem(address, json.meta.name)
};
store.set(keyCreator(address), json);
next();
return current[address];
},
remove: (address: string) => {
current = { ...current };
delete current[address];
store.remove(keyCreator(address));
next();
},
subject
};
}
packages/ui-keyring/src/observable/index.ts
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// Copyright 2017-2018 @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 { combineLatest } from 'rxjs';
import { map } from 'rxjs/operators';
import accounts from './accounts';
import addresses from './addresses';
export default combineLatest(
accounts.subject,
addresses.subject
).pipe(
map(([accounts, addresses]) => ({
accounts,
addresses
}))
);
packages/ui-keyring/src/observable/types.ts
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// Copyright 2017-2018 @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 { BehaviorSubject } from 'rxjs';
import { KeyringSectionOption } from '../options/types';
import { KeyringJson } from '../types';
export type SingleAccount = {
json: KeyringJson,
option: KeyringSectionOption
};
export type SingleAddress = {
json: KeyringJson,
option: KeyringSectionOption
};
export type SubjectInfo = {
[index: string]: SingleAddress
};
export type AccountSubject = {
add: (account: string, json: KeyringJson) => SingleAccount,
remove: (account: string) => void,
subject: BehaviorSubject<SubjectInfo>
};
export type AddressSubject = {
add: (address: string, json: KeyringJson) => SingleAddress,
remove: (address: string) => void,
subject: BehaviorSubject<SubjectInfo>
};
packages/ui-keyring/src/options/KeyPair.css
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/* Copyright 2017-2018 @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. */
.ui--KeyPair {
display: flex;
flex-wrap: nowrap;
justify-content: space-between;
position: relative;
white-space: nowrap;
}
.ui--KeyPair-icon {
position: absolute;
top: -9px;
left: 0;
}
.ui--KeyPair-address,
.ui--KeyPair-name {
display: inline-block;
}
.ui--KeyPair-address {
flex: 1;
font-family: monospace;
margin-left: 1rem;
opacity: 0.5;
overflow: hidden;
text-align: right;
text-overflow: ellipsis;
}
.ui--KeyPair-name {
flex: 1 0;
margin-left: 3rem;
overflow: hidden;
text-transform: uppercase;
text-overflow: ellipsis;
}
.ui.dropdown .menu > .disabled.item.ui--KeyPair-header {
font-size: .75em;
font-weight: 700;
opacity: 1;
text-transform: uppercase;
}
packages/ui-keyring/src/options/KeyPair.tsx
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// Copyright 2017-2018 @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 './KeyPair.css';
import React from 'react';
import { AccountId } from '@polkadot/types';
import IdentityIcon from '@polkadot/ui-app/IdentityIcon';
import { withMulti, withObservable } from '@polkadot/ui-react-rx/with/index';
type Props = {
address: string,
className?: string,
name: string,
sessionValidators?: Array<AccountId>,
style?: {
[index: string]: string
}
};
class KeyPair extends React.PureComponent<Props> {
render () {
const { address, className, name, sessionValidators = [], style } = this.props;
const isValidator = sessionValidators.find((validator) =>
validator.toString() === address
);
return (
<div
className={['ui--KeyPair', className].join(' ')}
style={style}
>
<IdentityIcon
className='ui--KeyPair-icon'
isHighlight={!!isValidator}
size={32}
value={address}
/>
<div className='ui--KeyPair-name'>
{name}
</div>
<div className='ui--KeyPair-address'>
{address}
</div>
</div>
);
}
}
export default withMulti(
KeyPair,
withObservable('sessionValidators')
);
packages/ui-keyring/src/options/index.spec.js
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// Copyright 2017-2018 @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 keyringOptionInstance from './index';
describe('KeyringOption', () => {
it('should not allow initOptions to be called more than once', () => {
const state = {};
// first call
keyringOptionInstance.init(state);
// second call
expect(() => {
keyringOptionInstance.init(state);
}).toThrowError('Unable to initialise options more than once');
});
});
packages/ui-keyring/src/options/index.ts
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// Copyright 2017-2018 @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 { KeyringStruct } from '../types';
import { SingleAddress } from '../observable/types';
import { KeyringOptions, KeyringOptionInstance, KeyringSectionOption, KeyringSectionOptions } from './types';
import { BehaviorSubject } from 'rxjs';
import observableAll from '../observable';
let hasCalledInitOptions = false;
class KeyringOption implements KeyringOptionInstance {
optionsSubject: BehaviorSubject<KeyringOptions> = new BehaviorSubject(this.emptyOptions());
createOptionHeader (name: string): KeyringSectionOption {
return {
className: 'header disabled',
name,
key: `header-${name.toLowerCase()}`,
text: name,
value: null
};
}
init (keyring: KeyringStruct): void {
if (hasCalledInitOptions) {
throw new Error('Unable to initialise options more than once');
}
observableAll.subscribe((value) => {
const options = this.emptyOptions();
this.addAccounts(keyring, options);
this.addAddresses(keyring, options);
options.address = ([] as KeyringSectionOptions).concat(
options.address.length ? [ this.createOptionHeader('Addresses') ] : [],
options.address,
options.recent.length ? [ this.createOptionHeader('Recent') ] : [],
options.recent
);
options.account = ([] as KeyringSectionOptions).concat(
options.account.length ? [ this.createOptionHeader('Accounts') ] : [],
options.account,
options.testing.length ? [ this.createOptionHeader('Development') ] : [],
options.testing
);
options.all = ([] as KeyringSectionOptions).concat(
options.account,
options.address
);
this.optionsSubject.next(options);
});
hasCalledInitOptions = true;
}
private addAccounts (keyring: KeyringStruct, options: KeyringOptions): void {
const available = keyring.accounts.subject.getValue();
Object
.keys(available)
.map((address) =>
available[address]
)
.forEach(({ json: { meta: { isTesting = false } }, option }: SingleAddress) => {
if (!isTesting) {
options.account.push(option);
} else {
options.testing.push(option);
}
});
}
private addAddresses (keyring: KeyringStruct, options: KeyringOptions): void {
const available = keyring.addresses.subject.getValue();
Object
.keys(available)
.map((address) =>
available[address]
)
.forEach(({ json: { meta: { isRecent = false } }, option }: SingleAddress) => {
if (isRecent) {
options.recent.push(option);
} else {
options.address.push(option);
}
});
}
private emptyOptions (): KeyringOptions {
return {
account: [],
address: [],
all: [],
recent: [],
testing: []
};
}
}
const keyringOptionInstance = new KeyringOption();
export default keyringOptionInstance;
packages/ui-keyring/src/options/item.tsx
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// Copyright 2017-2018 @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 { KeyringSectionOption } from './types';
import React from 'react';
import toShortAddress from '@polkadot/ui-app/util/toShortAddress';
import KeyPair from './KeyPair';
export default function createItem (address: string, _name?: string): KeyringSectionOption {
const name = _name === undefined
? toShortAddress(address)
: _name;
return {
key: address,
name,
text: (
<KeyPair
address={address}
name={name}
/>
),
value: address
};
}
packages/ui-keyring/src/options/types.ts
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// Copyright 2017-2018 @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 { KeyringStruct } from '../types';
export type KeyringSectionOption = {
className?: string,
disabled?: boolean,
content?: any | string, // node?
key: string | null,
name: string,
text: any | string, // node?
value: string | null
};
export type KeyringSectionOptions = Array<KeyringSectionOption>;
export type KeyringOptions = {
account: KeyringSectionOptions,
address: KeyringSectionOptions,
all: KeyringSectionOptions,
recent: KeyringSectionOptions,
testing: KeyringSectionOptions
};
export type KeyringOption$Type = keyof KeyringOptions;
export interface KeyringOptionInstance {
createOptionHeader: (name: string) => KeyringSectionOption;
init: (keyring: KeyringStruct) => void;
}
packages/ui-keyring/src/types.ts
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// Copyright 2017-2018 @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 { KeyringInstance as BaseKeyringInstance, KeyringPair, KeyringPair$Meta, KeyringPair$Json } from '@polkadot/keyring/types';
import { AccountSubject, AddressSubject, SingleAddress } from './observable/types';
export type KeyringJson$Meta = {
isRecent?: boolean,
isTesting?: boolean,
name?: string,
whenCreated?: number,
whenEdited?: number,
whenUsed?: number,
[index: string]: any
};
export type KeyringJson = {
address: string,
meta: KeyringJson$Meta
};
export type KeyringAddress = {
address: () => string,
isValid: () => boolean,
publicKey: () => Uint8Array,
getMeta: () => KeyringJson$Meta
};
export interface KeyringStruct {
readonly accounts: AccountSubject;
readonly addresses: AddressSubject;
readonly keyring: BaseKeyringInstance | undefined;
addAccountPair: (pair: KeyringPair, password: string) => KeyringPair;
backupAccount: (pair: KeyringPair, password: string) => KeyringPair$Json;
createAccount: (seed: Uint8Array, password?: string, meta?: KeyringPair$Meta) => KeyringPair;
createAccountMnemonic: (seed: string, password?: string, meta?: KeyringPair$Meta) => KeyringPair;
encryptAccount: (pair: KeyringPair, password: string) => void;
forgetAccount: (address: string) => void;
forgetAddress: (address: string) => void;
getAccount: (address: string | Uint8Array) => KeyringAddress;
getAccounts: () => Array<KeyringAddress>;
getAddress: (address: string | Uint8Array) => KeyringAddress;
getAddresses: () => Array<KeyringAddress>;
getPair: (address: string | Uint8Array) => KeyringPair;
getPairs: () => Array<KeyringPair>;
isAvailable: (address: string | Uint8Array) => boolean;
isPassValid: (password: string) => boolean;
loadAll: () => void;
restoreAccount: (json: KeyringPair$Json, password: string) => KeyringPair;
saveAccount: (pair: KeyringPair, password?: string) => void;
saveAccountMeta: (pair: KeyringPair, meta: KeyringPair$Meta) => void;
saveAddress: (address: string, meta: KeyringPair$Meta) => void;
saveRecent: (address: string) => SingleAddress;
setDevMode: (isDevelopment: boolean) => void;
}