470e9a4697
* Draft. PoC pseudo code showing general idea for resuing SOR path creation logic and adding multihop support. * Add actual Balancer SDK function calls. * Update to handle buys. * Correct taker>maker for buy. * Draft. PoC pseudo code showing general idea for resuing SOR path creation logic and adding multihop support. * make it build * rebase * add BalancerV2Batch protocol * add BalancerV2Batch protocol * get balancer v2 multihop working * fix BalancerV2Batch for sells (buys still iffy) * fix buys, appease linter and prettier * remove unused RPC URL from balancer sdk construction * update changelogs * clean up comments add event loop yield in `BalancerV2SwapInfoCache.loadTopPools()` * add negative result check on balancerv2batch swap output * compiler hack * reintroduce CompilerHack * delete unused multibridge sampler * remove compilerhack * reintroduce compilerhack * try to fix CI compile errors * plz work * plz work * pretty plz work * yay it works, also address feedback * appease linter * deploy new FQTs Co-authored-by: johngrantuk <johngrantuk@googlemail.com> Co-authored-by: Lawrence Forman <me@merklejerk.com>
55 lines
1.5 KiB
Solidity
55 lines
1.5 KiB
Solidity
// SPDX-License-Identifier: Apache-2.0
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/*
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Copyright 2020 ZeroEx Intl.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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pragma solidity ^0.6;
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pragma experimental ABIEncoderV2;
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/// @dev Minimal Balancer V2 Vault interface
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/// for documentation refer to https://github.com/balancer-labs/balancer-core-v2/blob/master/contracts/vault/interfaces/IVault.sol
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interface IBalancerV2Vault {
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enum SwapKind { GIVEN_IN, GIVEN_OUT }
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struct BatchSwapStep {
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bytes32 poolId;
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uint256 assetInIndex;
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uint256 assetOutIndex;
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uint256 amount;
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bytes userData;
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}
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struct FundManagement {
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address sender;
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bool fromInternalBalance;
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address payable recipient;
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bool toInternalBalance;
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}
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struct BalancerV2PoolInfo {
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bytes32 poolId;
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address vault;
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}
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function queryBatchSwap(
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SwapKind kind,
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BatchSwapStep[] calldata swaps,
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address[] calldata assets,
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FundManagement calldata funds
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) external returns (int256[] memory assetDeltas);
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}
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