How to use @openzeppelin/contract-loader - 2 common examples

To help you get started, we’ve selected a few @openzeppelin/contract-loader examples, based on popular ways it is used in public projects.

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github OpenZeppelin / openzeppelin-test-helpers / src / singletons.js View on Github external
async function getDeployedERC1820Registry () {
  const config = getSingletonsConfig();
  const loader = setupLoader({
    provider: web3.currentProvider,
    defaultGas: config.defaultGas,
    defaultSender: config.defaultSender,

  if (config.abstraction === 'truffle') {
    const registry = loader.truffle.fromABI(ERC1820_REGISTRY_ABI);

  } else if (config.abstraction === 'web3') {
    const registry = loader.web3.fromABI(ERC1820_REGISTRY_ABI);
    registry.options.address = ERC1820_REGISTRY_ADDRESS;

    return new web3.eth.Contract(ERC1820_REGISTRY_ABI, ERC1820_REGISTRY_ADDRESS);

  } else {
github OpenZeppelin / openzeppelin-test-environment / src / setup-loader.ts View on Github external
import { setupLoader } from '@openzeppelin/contract-loader';

import config from './config';
import { defaultSender } from './accounts';
import { provider } from './setup-provider';

if (config.contracts.type !== 'truffle' && config.contracts.type !== 'web3') {
  throw new Error(`Unknown contract type: '${config.contracts.type}'`);

export default setupLoader({
  defaultGas: config.contracts.defaultGas,


Load contract ABIs from built artifacts and return contract objects

Latest version published 3 years ago

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Popular @openzeppelin/contract-loader functions