@aelf-web-login/utils
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0.2.1-alpha.3 • Public • Published

Introduction

@aelf-web-login/utils: common utility library for aelf applications.

Install

yarn add @aelf-web-login/utils

Usage

useCheckAllowanceAndApprove

const useCheckAllowanceAndApprove: ({
  tokenContractAddress,
  approveTargetAddress,
  account,
  amount,
  symbol,
  chainId,
}: {
  tokenContractAddress: string;
  approveTargetAddress: string;
  account: string;
  amount: string | number;
  symbol: string;
  chainId: TChainId;
}) => {
  start: () => Promise<unknown>;
  loading: boolean;
};

compose getAllowance and approve code snippet

import { useConnectWallet } from '@aelf-web-login/wallet-adapter-react';
import { useCheckAllowanceAndApprove } from '@aelf-web-login/utils';
import { Button } from 'aelf-design';

const Demo = () => {
  const { walletInfo, isConnected } = useConnectWallet();
  const { start, loading } = useCheckAllowanceAndApprove({
    tokenContractAddress: 'ASh2Wt7nSEmYqnGxPPzp4pnVDU4uhj1XW9Se5VeZcX2UDdyjx',
    approveTargetAddress: 'ASh2Wt7nSEmYqnGxPPzp4pnVDU4uhj1XW9Se5VeZcX2UDdyjx',
    account: walletInfo?.address as string,
    amount: '10',
    symbol: 'ELF',
    chainId: 'tDVW',
  });
  const checkAllowanceAndApproveHandler = async () => {
    const rs = await start();
    console.log(rs);
  };

  return (
    <Button
      type="primary"
      disabled={!isConnected}
      loading={loading}
      onClick={checkAllowanceAndApproveHandler}
    >
      AllowanceAndApprove
    </Button>
  );
};

useGetBalance

const useGetBalance: ({
  tokenContractAddress,
  account,
  symbol,
  chainId,
}: {
  tokenContractAddress: string;
  account: string;
  symbol: string;
  chainId: TChainId;
}) => {
  getBalance: () => Promise<unknown>;
  loading: boolean;
};

hook for get balance

import { useConnectWallet } from '@aelf-web-login/wallet-adapter-react';
import { useGetBalance } from '@aelf-web-login/utils';
import { Button } from 'aelf-design';

const Demo = () => {
  const { walletInfo, isConnected } = useConnectWallet();
  const { getBalance, loading } = useGetBalance({
    tokenContractAddress: 'ASh2Wt7nSEmYqnGxPPzp4pnVDU4uhj1XW9Se5VeZcX2UDdyjx',
    account: walletInfo?.address as string,
    symbol: 'ELF',
    chainId: 'tDVW',
  });
  const getBalanceHandler = async () => {
    const rs = await getBalance();
    console.log(rs);
  };

  return (
    <Button type="primary" disabled={!isConnected} loading={loading} onClick={getBalanceHandler}>
      getBalance
    </Button>
  );
};

getRawTransaction

interface IRawTransactionPrams {
  walletInfo: TWalletInfo;
  walletType: WalletTypeEnum;
  params: any;
  methodName: string;
  contractAddress: string;
  caContractAddress?: string;
  rpcUrl: string;
}
const getRawTransaction: (params: IRawTransactionPrams) => Promise<string | null>;

compose getRawTransaction method of different wallet type

import { useConnectWallet } from '@aelf-web-login/wallet-adapter-react';
import { getRawTransaction } from '@aelf-web-login/utils';
import { Button } from 'aelf-design';

const Demo = () => {
  const { walletInfo, walletType, isConnected } = useConnectWallet();
  const getRawTransactionHandler = async () => {
    const rs = await getRawTransaction({
      walletInfo: walletInfo,
      walletType: walletType,
      params: { symbol: 'ELF', owner: walletInfo?.address },
      methodName: 'GetBalance',
      contractAddress: 'ASh2Wt7nSEmYqnGxPPzp4pnVDU4uhj1XW9Se5VeZcX2UDdyjx',
      caContractAddress: 'ASh2Wt7nSEmYqnGxPPzp4pnVDU4uhj1XW9Se5VeZcX2UDdyjx',
      rpcUrl: 'https://tdvw-test-node.aelf.io',
    });
    console.log(rs);
  };

  return (
    <Button type="primary" disabled={!isConnected} onClick={getRawTransactionHandler}>
      getRawTransaction
    </Button>
  );
};

getTxResultRetry

function getTxResultRetry(TransactionId: string, rpcUrl: string, reGetCount?: number): Promise<any>;

get transaction result use polling

import { getTxResultRetry } from '@aelf-web-login/utils';
import { Button } from 'aelf-design';
const Demo = () => {
  const getTxResultRetryHandler = async () => {
    const rs = await getTxResultRetry(
      '7511408b1ad12f6c14c8cc7cbca1a458b170bc3821812733768a2acb3cd433dc',
      'https://tdvw-test-node.aelf.io',
    );
    console.log(rs);
  };

  return (
    <Button type="primary" onClick={getTxResultRetryHandler}>
      getTxResultRetry
    </Button>
  );
};

getOriginalAddress

function getOriginalAddress(address: string): string;

get original address, remove the head and tail of the address

import { getOriginalAddress } from '@aelf-web-login/utils';
const Demo = () => {
  return (
    <div>{getOriginalAddress('ELF_rRZCro3wsAk2mW1s4CvM66wCe8cYgKKBCUFGuBhF6rUtoQNyk_tDVW')}</div>
  );
};

addPrefixSuffix

function addPrefixSuffix(str: string, chainId?: string): string;

add the head and tail of the address

import { addPrefixSuffix } from '@aelf-web-login/utils';
const Demo = () => {
  return <div>{addPrefixSuffix('rRZCro3wsAk2mW1s4CvM66wCe8cYgKKBCUFGuBhF6rUtoQNyk')}</div>;
};

decodeAddress

const decodeAddress: (address: string) => boolean;

decode a wallet address

import { decodeAddress } from '@aelf-web-login/utils';
const Demo = () => {
  return <div>{decodeAddress('rRZCro3wsAk2mW1s4CvM66wCe8cYgKKBCUFGuBhF6rUtoQNyk') + ''}</div>;
};

formatTime

function formatTime(date: string | number, formats?: string): string;

format time, follow dayjs

import { formatTime } from '@aelf-web-login/utils';
const Demo = () => {
  return <div>{formatTime('2021/9/11')}</div>;
};

createDuration

function createDuration(units: DurationUnitsObjectType): Duration;
function createDuration(time: number, unit?: DurationUnitType): Duration;
function createDuration(ISO_8601: string): Duration;

Create a duration object.

import { createDuration } from '@aelf-web-login/utils';
const Demo = () => {
  return (
    <div>{createDuration({ days: 3, hours: 3, minutes: 45 }).format('DD[d] HH[h] mm[m]')}</div>
  );
};

formatNumberWithDecimalPlaces

function formatNumberWithDecimalPlaces(val: BigNumber.Value, decimal?: number): string;

format number with decimal places

import { formatNumberWithDecimalPlaces } from '@aelf-web-login/utils';
const Demo = () => {
  return <div>{formatNumberWithDecimalPlaces('12345.6789', 3)}</div>;
};

formatPrice

function formatPrice(
  price: number | BigNumber | string,
  toFixedProps?: {
    decimalPlaces?: number;
    roundingMode?: BigNumber.RoundingMode;
    minValue?: number;
  },
): string;

format price, when the price is less than minValue, will show '< minValue'

import { formatPrice } from '@aelf-web-login/utils';
const Demo = () => {
  return <div>{formatPrice(1111.1234, { minValue: 1200 })}</div>;
};

isELFAddress

function isELFAddress(value: string): boolean;

Determine whether the parameters are valid elf address

import { isELFAddress } from '@aelf-web-login/utils';
const Demo = () => {
  return <div>{isELFAddress('rRZCro3wsAk2mW1s4CvM66wCe8cYgKKBCUFGuBhF6rUtoQNyk') + ''}</div>;
};

isPortkeyApp

function isPortkeyApp(): boolean;

Determine whether the current environment is in Portkey APP

import { isPortkeyApp } from '@aelf-web-login/utils';
const Demo = () => {
  return <div>{isPortkeyApp() + ''}</div>;
};

isPrivateKey

function isPrivateKey(privateKey?: string): boolean;

Determine whether the parameters are valid private key

import { isPrivateKey } from '@aelf-web-login/utils';
const Demo = () => {
  return (
    <div>
      {isPrivateKey(
        '048001adae89cca64f63b8d014b16fd2519a61fa68bac9bc147684e589fbe8c4b976e7927fb3362d4ce14e8249d71390e16aeaf1eac3dc5e24a6c7ba3700d199b4',
      ) + ''}
    </div>
  );
};

isMobileDevices

function isMobileDevices(): boolean;

Determine whether the current environment is mobile

import { isMobileDevices } from '@aelf-web-login/utils';
const Demo = () => {
  return <div>{isMobileDevices() + ''}</div>;
};

isAElfBridge

function isAElfBridge(aelfBridge: AElfDappBridge): boolean;

Receive a parameter of any, return whether it is AElfDappBridge's instance.

import { isAElfBridge } from '@aelf-web-login/utils';
const Demo = () => {
  return <div>{isAElfBridge({ x: 1 } as any) + ''}</div>;
};

divDecimals

function divDecimals(a: BigNumber.Value, decimals?: string | number): BigNumber
import { divDecimals } from '@aelf-web-login/utils';
const Demo = () => {
  return <div>{divDecimals(100000000, 8).toString()}</div>;
};

timesDecimals

function timesDecimals(a: BigNumber.Value, decimals?: string | number): BigNumber
import { timesDecimals } from '@aelf-web-login/utils';
const Demo = () => {
  return <div>{timesDecimals(1, 8).toString()}</div>;
};

Loading

Receive a parameter of React.ReactNode type, return a instance including a 'show' and 'hide' method.

import { Loading } from '@aelf-web-login/utils';
import { Button, Loading as AelfdLoading } from 'aelf-design';
const Demo = () => {
  const loadingInstance = new Loading(
    (
      <AelfdLoading open={true} />
    ),
  );
  const onLoadingHandler = () => {
    loadingInstance.show();
    setTimeout(() => {
      loadingInstance.hide();
    }, 3000);
  };
  return (
     <Button type="primary" onClick={onLoadingHandler}>
        show loading
     </Button>
  )
}

sleep

sleep: (milliseconds: number) => Promise<void>

Set a waiting time

import { sleep } from '@aelf-web-login/utils';
import { Button } from 'aelf-design';
const Demo = () => {
  const [sleepMsg, setSleep] = useState('');
  return (
    <div>
      <Button
        type="primary"
        onClick={async () => {
          await sleep(1000);
          setSleep('I am show after 1s');
        }}
      >
        sleep(1000)
      </Button>
      {sleepMsg}
    </div>
  );
};

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npm i @aelf-web-login/utils

Weekly Downloads

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Version

0.2.1-alpha.3

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Collaborators

  • aelf-lxy