Multisig approvals (#2627)

packages/page-accounts/src/Accounts/Account.tsx

@@ -4,15 +4,15 @@
 
 import { DeriveBalancesAll } from '@polkadot/api-derive/types';
 import { ActionStatus } from '@polkadot/react-components/Status/types';
-import { RecoveryConfig } from '@polkadot/types/interfaces';
+import { H256, Multisig, RecoveryConfig } from '@polkadot/types/interfaces';
 import { SortedAccount } from './types';
 
 import BN from 'bn.js';
 import React, { useCallback, useState, useEffect } from 'react';
 import styled from 'styled-components';
 import { AddressInfo, AddressMini, AddressSmall, Badge, Button, ChainLock, CryptoType, Forget, Icon, IdentityIcon, LinkExternal, Menu, Popup, Tag } from '@polkadot/react-components';
-import { useAccountInfo, useApi, useCall, useToggle } from '@polkadot/react-hooks';
-import { Option } from '@polkadot/types';
+import { useAccountInfo, useApi, useCall, useIncrement, useToggle } from '@polkadot/react-hooks';
+import { Option, StorageKey } from '@polkadot/types';
 import keyring from '@polkadot/ui-keyring';
 import { formatBalance, formatNumber } from '@polkadot/util';
 
@@ -21,6 +21,7 @@ import Backup from './modals/Backup';
 import ChangePass from './modals/ChangePass';
 import Derive from './modals/Derive';
 import Identity from './modals/Identity';
+import MultisigApprove from './modals/MultisigApprove';
 import RecoverAccount from './modals/RecoverAccount';
 import RecoverSetup from './modals/RecoverSetup';
 import Transfer from './modals/Transfer';
@@ -47,16 +48,24 @@ function calcVisible (filter: string, name: string, tags: string[]): boolean {
 function Account ({ account: { address, meta }, className, filter, isFavorite, setBalance, toggleFavorite }: Props): React.ReactElement<Props> | null {
   const { t } = useTranslation();
   const api = useApi();
+  const [multiInc, refreshMulti] = useIncrement();
   const balancesAll = useCall<DeriveBalancesAll>(api.api.derive.balances.all, [address]);
   const recoveryInfo = useCall<RecoveryConfig | null>(api.api.query.recovery?.recoverable, [address], {
     transform: (opt: Option<RecoveryConfig>) => opt.unwrapOr(null)
   });
-  const { flags: { isDevelopment, isEditable, isExternal }, genesisHash, name: accName, onSaveGenesisHash, tags } = useAccountInfo(address);
+  const multiInfos = useCall<[H256, Multisig][]>(multiInc && api.api.query.utility?.multisigs.entries as any, [address], {
+    transform: (infos: [StorageKey, Option<Multisig>][]): [H256, Multisig][] =>
+      infos
+        .filter(([, opt]) => opt.isSome)
+        .map(([key, opt]) => [key.args[1] as H256, opt.unwrap()])
+  });
+  const { flags: { isDevelopment, isEditable, isExternal, isMultisig }, genesisHash, name: accName, onSaveGenesisHash, tags } = useAccountInfo(address);
   const [isVisible, setIsVisible] = useState(true);
   const [isBackupOpen, toggleBackup] = useToggle();
   const [isDeriveOpen, toggleDerive] = useToggle();
   const [isForgetOpen, toggleForget] = useToggle();
   const [isIdentityOpen, toggleIdentity] = useToggle();
+  const [isMultisigOpen, toggleMultisig] = useToggle();
   const [isPasswordOpen, togglePassword] = useToggle();
   const [isRecoverAccountOpen, toggleRecoverAccount] = useToggle();
   const [isRecoverSetupOpen, toggleRecoverSetup] = useToggle();
@@ -101,6 +110,14 @@ function Account ({ account: { address, meta }, className, filter, isFavorite, s
     [address, t]
   );
 
+  const _closeMultisig = useCallback(
+    (): void => {
+      toggleMultisig();
+      refreshMulti();
+    },
+    [refreshMulti, toggleMultisig]
+  );
+
   if (!isVisible) {
     return null;
   }
@@ -199,6 +216,16 @@ function Account ({ account: { address, meta }, className, filter, isFavorite, s
             senderId={address}
           />
         )}
+        {isMultisigOpen && multiInfos && (
+          <MultisigApprove
+            address={address}
+            key='multisig-approve'
+            onClose={_closeMultisig}
+            ongoing={multiInfos}
+            threshold={meta.threshold}
+            who={meta.who}
+          />
+        )}
         {isRecoverAccountOpen && (
           <RecoverAccount
             address={address}
@@ -311,6 +338,17 @@ function Account ({ account: { address, meta }, className, filter, isFavorite, s
                 </Menu.Item>
               </>
             )}
+            {isMultisig && (
+              <>
+                <Menu.Divider />
+                <Menu.Item
+                  disabled={!multiInfos || !multiInfos.length}
+                  onClick={toggleMultisig}
+                >
+                  {t('Multisig approvals')}
+                </Menu.Item>
+              </>
+            )}
             {!api.isDevelopment && (
               <>
                 <Menu.Divider />

packages/page-accounts/src/Accounts/index.tsx

@@ -18,7 +18,7 @@ import { Button, Input, Table } from '@polkadot/react-components';
 import { useTranslation } from '../translate';
 import CreateModal from './modals/Create';
 import ImportModal from './modals/Import';
-import Multisig from './modals/Multisig';
+import Multisig from './modals/MultisigCreate';
 import QrModal from './modals/Qr';
 import Account from './Account';
 import Banner from './Banner';

packages/page-accounts/src/Accounts/modals/MultisigApprove.tsx

@@ -0,0 +1,96 @@
+// Copyright 2017-2020 @polkadot/app-accounts 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 { H256, Multisig } from '@polkadot/types/interfaces';
+
+import React, { useEffect, useMemo, useState } from 'react';
+import { Dropdown, InputAddress, Modal, TxButton } from '@polkadot/react-components';
+
+import { useTranslation } from '../../translate';
+
+interface Props {
+  address: string;
+  className?: string;
+  onClose: () => void;
+  ongoing: [H256, Multisig][];
+  threshold: number;
+  who: string[];
+}
+
+interface Option {
+  text: string;
+  value: string;
+}
+
+function MultisigApprove ({ className, onClose, ongoing, threshold, who }: Props): React.ReactElement<Props> {
+  const { t } = useTranslation();
+  const [hash, setHash] = useState<string | null>(ongoing[0][0].toHex());
+  const [multisig, setMultisig] = useState<[H256, Multisig] | null>(null);
+  const [signatory, setSignatory] = useState<string | null>(null);
+  const [type, setType] = useState<string | null>('aye');
+  const calltypes = useMemo<Option[]>(
+    () => [
+      { text: t('Approve this call hash'), value: 'aye' },
+      { text: t('Cancel this call hash'), value: 'nay' }
+    ],
+    [t]
+  );
+  const hashes = useMemo<Option[]>(
+    () => ongoing.map(([h]) => ({ text: h.toHex(), value: h.toHex() })),
+    [ongoing]
+  );
+
+  useEffect((): void => {
+    hash && setMultisig(
+      ongoing.find(([h]) => h.eq(hash)) || null
+    );
+  }, [hash, ongoing]);
+
+  return (
+    <Modal
+      className={className}
+      header={t('Pending call hashes')}
+    >
+      <Modal.Content>
+        <InputAddress
+          filter={who}
+          help={t('The signatory to send the approval/cancel from')}
+          label={t('signatory')}
+          onChange={setSignatory}
+        />
+        <Dropdown
+          help={t('The call hashes that have not been executed as of yet.')}
+          label={t('pending hashes')}
+          onChange={setHash}
+          options={hashes}
+          value={hash}
+        />
+        <Dropdown
+          help={t('Either approve or reject this call.')}
+          label={t('approval type')}
+          onChange={setType}
+          options={calltypes}
+          value={type}
+        />
+      </Modal.Content>
+      <Modal.Actions onCancel={onClose}>
+        <TxButton
+          accountId={signatory}
+          icon={type === 'aye' ? 'check' : 'cancel'}
+          isDisabled={!multisig}
+          label={type === 'aye' ? 'Approve' : 'Reject'}
+          onStart={onClose}
+          params={[threshold, who.filter((who) => who !== signatory), multisig ? multisig[1].when : null, hash]}
+          tx={
+            type === 'aye'
+              ? 'utility.approveAsMulti'
+              : 'utility.cancelAsMulti'
+          }
+        />
+      </Modal.Actions>
+    </Modal>
+  );
+}
+
+export default React.memo(MultisigApprove);