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Allow for id extraction from AccountId (#7396)

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Jaco 2022-04-19 13:33:19 +02:00 committed by GitHub
parent de36a16c59
commit 473a600e1b
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1 changed files with 40 additions and 6 deletions
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46
packages/react-components/src/AccountName.tsx
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@ -11,7 +11,8 @@ import styled from 'styled-components';
import { AccountSidebarToggle } from '@polkadot/app-accounts/Sidebar';
import registry from '@polkadot/react-api/typeRegistry';
import { useDeriveAccountInfo, useSystemApi } from '@polkadot/react-hooks';
import { isFunction, stringToU8a } from '@polkadot/util';
import { formatNumber, isCodec, isFunction, stringToU8a, u8aEq, u8aToBn } from '@polkadot/util';
import { decodeAddress } from '@polkadot/util-crypto';
import Badge from './Badge';
import { getAddressName } from './util';
@ -29,9 +30,38 @@ interface Props {
withSidebar?: boolean;
}
const KNOWN: [AccountId, string][] = [
[registry.createType('AccountId', stringToU8a('modlpy/socie'.padEnd(32, '\0'))), 'Society'],
[registry.createType('AccountId', stringToU8a('modlpy/trsry'.padEnd(32, '\0'))), 'Treasury']
type AddrMatcher = (addr: unknown) => string | null;
function createFullMatcher (partial: string, name: string): AddrMatcher {
const test = registry.createType('AccountId', stringToU8a(`modlpy/${partial}`.padEnd(32, '\0')));
return (addr: unknown) =>
test.eq(addr)
? name
: null;
}
function createU32Matcher (partial: string, name: string): AddrMatcher {
const test = stringToU8a(`modlpy/${partial}`);
return (addr: unknown): string | null => {
const u8a = isCodec(addr)
? addr.toU8a()
: decodeAddress(addr as string);
if (u8a.length > test.length && u8aEq(test, u8a.subarray(0, test.length))) {
return `${name} ${formatNumber(u8aToBn(u8a.subarray(test.length, test.length + 4)))}`;
}
return null;
};
}
const MATCHERS: AddrMatcher[] = [
createFullMatcher('socie', 'Society'),
createFullMatcher('trsry', 'Treasury'),
createU32Matcher('cfund', 'Crowdloan'),
createU32Matcher('npols', 'Pool')
];
const displayCache = new Map<string, React.ReactNode>();
@ -44,10 +74,14 @@ export function getParentAccount (value: string): string | undefined {
}
function defaultOrAddr (defaultName = '', _address: AccountId | AccountIndex | Address | string | Uint8Array, _accountIndex?: AccountIndex | null): [React.ReactNode, boolean, boolean, boolean] {
const known = KNOWN.find(([known]) => known.eq(_address));
let known: string | null = null;
for (let i = 0; known === null && i < MATCHERS.length; i++) {
known = MATCHERS[i](_address);
}
if (known) {
return [known[1], false, false, true];
return [known, false, false, true];
}
const accountId = _address.toString();