Features

let account = await near.account('devtest.testnet');

import { utils } from 'near-api-js'

let state = await account.state();
let balnce = utils.format.formatNearAmount(state.amount || 0 )

let accessKeys = await account.getAccessKeys();

import { providers } from 'near-api-js'

let params = {
	contractId: 'devtest.testnet',
	methodName: 'whoSaidHi',
	args: { ex_param: 'test123'} // this will provide parameter 'ex_param', if it exists in the method, for ex. whoSaidHi(ex_param)
}
if (deposit) params.attachedDeposit = deposit

const functionCallResponse = await account.functionCall(params)
const result = providers.getTransactionLastResult(functionCallResponse)

import { utils } from 'near-api-js'

let sender_account = 'devtest.testnet'
let amount_yocto = utils.format.formatNearAmount(state.amount || 0 )

const senderAccount = await near.account(sender_account);
const result = await senderAccount.sendMoney(receiver_account, amount_yocto);

function validateAccountID(accountId: string){
  return (
    accountId.length >= 7 && // mininum length is 7, for ex. 'xx.near'
    accountId.length <= 64 &&
    /^(([a-z\d]+[-_])*[a-z\d]+\.)*([a-z\d]+[-_])*[a-z\d]+$/.test(accountId)
  );
}