Files
protocol/contracts/asset-proxy/contracts/src/interfaces/IBalancerPool.sol
mzhu25 ff9c9241d8 BalancerBridge (#2613)
* Add BalancerBridge and Sampler functions

* Update sampler artifacts/wrappers

* Add Balancer support to AssetSwapper + related refactoring

* Make use of GraphQL instead of sampler

* "fix" build and add mainnet BalancerBridge tests

* address some comments

* add balancer cache and fix DexSampler tests

* lint

* wip: tests for balancer sampler ops

* Fix market operation utils test

* balancer unit tests

* Return a buy quote of 0 if the buy amount exceeds the Balancer pool's balance

* Dynamic fee estimation

* Update contract addresses, export BalancerBridge wrapper

* Update changelogs

* Fix bugs discovered via simbot

* Fix issues in balancer_utils

* override `BigNumber.config` in configured_bignumber.ts

* Special case Balancer subops in  too

* Address some more comments

* Address Balancer performance issue

* Performance improvements

* Address comment

* Fix tests

Co-authored-by: xianny <xianny@gmail.com>
2020-07-14 19:18:50 -07:00

39 lines
1.4 KiB
Solidity

/*
Copyright 2020 ZeroEx Intl.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
pragma solidity ^0.5.9;
interface IBalancerPool {
/// @dev Sell `tokenAmountIn` of `tokenIn` and receive `tokenOut`.
/// @param tokenIn The token being sold
/// @param tokenAmountIn The amount of `tokenIn` to sell.
/// @param tokenOut The token being bought.
/// @param minAmountOut The minimum amount of `tokenOut` to buy.
/// @param maxPrice The maximum value for `spotPriceAfter`.
/// @return tokenAmountOut The amount of `tokenOut` bought.
/// @return spotPriceAfter The new marginal spot price of the given
/// token pair for this pool.
function swapExactAmountIn(
address tokenIn,
uint tokenAmountIn,
address tokenOut,
uint minAmountOut,
uint maxPrice
) external returns (uint tokenAmountOut, uint spotPriceAfter);
}