import { Action } from '../../Action';
import { requireAddress } from '../../utils/general';
import { getAddr } from '../../addresses';
import { EthAddress, uint256 } from '../../types';

/**
 * @category Curve
 */
export class CurveSwapAction extends Action {
  /**
     *
     * @param sender
     * @param receiver
     * @param pool
     * @param tokenA
     * @param tokenB
     * @param amount
     * @param expected
     */
  constructor(sender:EthAddress, receiver:EthAddress, pool:EthAddress, tokenA:EthAddress, tokenB:EthAddress, amount:uint256, expected:uint256) {
    requireAddress(sender);
    requireAddress(receiver);
    super('CurveSwap',
      getAddr('CurveSwap'),
      ['address', 'address', 'address', 'address', 'address', 'uint256', 'uint256'],
      [sender, receiver, pool, tokenA, tokenB, amount, expected]);

    this.mappableArgs = [
      this.args[0],
      this.args[1],
      this.args[5],
      this.args[6],
    ];
  }

  async getAssetsToApprove() {
    return [{ asset: this.args[3], owner: this.args[0] }];
  }
}