example.ts

/* GENERATED BY TYPECHAIN VER. 0.1.0 */

import { BigNumber } from "bignumber.js";
import {
  TypeChainContract,
  promisify,
  ITxParams,
  IPayableTxParams,
  DeferredTransactionWrapper
} from "./typechain-runtime";

export class example extends TypeChainContract {
  public readonly rawWeb3Contract: any;

  public constructor(web3: any, address: string | BigNumber) {
    const abi = [
      {
        constant: true,
        inputs: [{ name: "_owner", type: "address" }],
        name: "balanceOf",
        outputs: [{ name: "", type: "uint256" }],
        payable: false,
        stateMutability: "view",
        type: "function"
      },
      {
        constant: false,
        inputs: [
          { name: "_to", type: "address" },
          { name: "_value", type: "uint256" }
        ],
        name: "transfer",
        outputs: [{ name: "", type: "bool" }],
        payable: false,
        stateMutability: "nonpayable",
        type: "function"
      }
    ];
    super(web3, address, abi);
  }

  static async createAndValidate(
    web3: any,
    address: string | BigNumber
  ): Promise<example> {
    const contract = new example(web3, address);
    const code = await promisify(web3.eth.getCode, [address]);
    if (code === "0x0") {
      throw new Error(`Contract at ${address} doesn't exist!`);
    }
    return contract;
  }

  public balanceOf(_owner: BigNumber | string): Promise<BigNumber> {
    return promisify(this.rawWeb3Contract.balanceOf, [_owner.toString()]);
  }

  public transferTx(
    _to: BigNumber | string,
    _value: BigNumber | number
  ): DeferredTransactionWrapper<ITxParams> {
    return new DeferredTransactionWrapper<ITxParams>(this, "transfer", [
      _to.toString(),
      _value.toString()
    ]);
  }
}