Etherspot SDK

Etherspot is a blockchain development framework for EVM-compatible chains that creates direct state channel bridges to provide a seamless user experience across chains and wallets.

With just one deposit you’re able to onboard your users to the entire multichain world.

More information at etherspot.io

Resources

Installation

$ npm i ethers@^5.5.2 reflect-metadata@^0.1.13 rxjs@^6.6.2 -S
$ npm i etherspot -S
$ npm i ws -s # node.js only

Usage

import { Sdk, randomPrivateKey } from 'etherspot';

const PRIVATE_KEY = randomPrivateKey();

async function main() {
  const sdk = new Sdk(PRIVATE_KEY);

  sdk.notifications$.subscribe(notification => console.log('notification:', notification));
  
  await sdk.computeContractAccount();
  
  const { account } = sdk.state;
  
  console.log('contract account:', account);
  
  // top-up contract account (account.address)
  
  // add transaction to gateway batch
  await sdk.batchExecuteAccountTransaction({
    to: '0xEEb4801FBc9781EEF20801853C1Cb25faB8A7a3b',
    value: 100, // 100 wei
  });
  
  console.log('gateway batch estimation:', await sdk.estimateGatewayBatch());

  console.log('submitted gateway batch:', await sdk.submitGatewayBatch());
}

main().catch(console.error);