message: new: erc20 plasma deposit
diff: @@ -44,6 +44,23 @@ export class ERC20 extends BaseToken {
  );
  }
  + depositERC20(amount: BN | string | number, userAddress: string, option: ITransactionOption = {}) {
  + const contract = this.depositManager.contract;
  + const method = contract.method(
  + "depositERC20ForUser",
  + this.contract.address,
  + userAddress,
  + formatAmount(amount)
  + );
  + return this.processWrite(method, option);
  + }
  + depositEth(amount: BN | string | number, option: ITransactionOption = {}) {
  + const contract = this.depositManager.contract;
  + const method = contract.method(
  + "depositEther",
  + );
  + return this.processWrite(method, option);
  + }
  }
  \ No newline at end of file
  