From 243326c7b22844dce710d841b371f303271a4663 Mon Sep 17 00:00:00 2001 From: pradyuman-verma Date: Mon, 4 Apr 2022 00:18:53 +0530 Subject: [PATCH] Added HOP connector: polygon --- contracts/polygon/connectors/hop/events.sol | 30 ++++ contracts/polygon/connectors/hop/helpers.sol | 63 ++++++++ .../polygon/connectors/hop/interface.sol | 17 +++ contracts/polygon/connectors/hop/main.sol | 143 ++++++++++++++++++ 4 files changed, 253 insertions(+) create mode 100644 contracts/polygon/connectors/hop/events.sol create mode 100644 contracts/polygon/connectors/hop/helpers.sol create mode 100644 contracts/polygon/connectors/hop/interface.sol create mode 100644 contracts/polygon/connectors/hop/main.sol diff --git a/contracts/polygon/connectors/hop/events.sol b/contracts/polygon/connectors/hop/events.sol new file mode 100644 index 00000000..5d1221cd --- /dev/null +++ b/contracts/polygon/connectors/hop/events.sol @@ -0,0 +1,30 @@ +//SPDX-License-Identifier: MIT +pragma solidity ^0.7.0; + +contract Events { + event LogSendToL1( + address token, + uint256 chainId, + address recipient, + uint256 amount, + uint256 bonderFee, + uint256 amountOutMin, + uint256 deadline, + uint256 destinationAmountOutMin, + uint256 destinationDeadline, + uint256 getId + ); + + event LogSendToL2( + address token, + uint256 chainId, + address recipient, + uint256 amount, + uint256 bonderFee, + uint256 amountOutMin, + uint256 deadline, + uint256 destinationAmountOutMin, + uint256 destinationDeadline, + uint256 getId + ); +} diff --git a/contracts/polygon/connectors/hop/helpers.sol b/contracts/polygon/connectors/hop/helpers.sol new file mode 100644 index 00000000..c612d05b --- /dev/null +++ b/contracts/polygon/connectors/hop/helpers.sol @@ -0,0 +1,63 @@ +//SPDX-License-Identifier: MIT +pragma solidity ^0.7.0; + +import { TokenInterface } from "../../common/interfaces.sol"; +import { DSMath } from "../../common/math.sol"; +import { Basic } from "../../common/basic.sol"; +import "./interface.sol"; + +contract Helpers is DSMath, Basic { + function _swapAndSend( + address token, + uint256 chainId, + address recipient, + uint256 amount, + uint256 bonderFee, + uint256 amountOutMin, + uint256 deadline, + uint256 destinationAmountOutMin, + uint256 destinationDeadline + ) internal { + IHopRouter router = _getRouter(token); + + TokenInterface tokenContract = TokenInterface(token); + approve(tokenContract, address(router), amount); + + router.swapAndSend( + chainId, + recipient, + amount, + bonderFee, + amountOutMin, + deadline, + destinationAmountOutMin, + destinationDeadline + ); + } + + function _getRouter(address token_) + internal + pure + returns (IHopRouter router) + { + if (token_ == 0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174) + //USDC l2AmmWrapper + router = IHopRouter(0x76b22b8C1079A44F1211D867D68b1eda76a635A7); + else if (token_ == 0xc2132D05D31c914a87C6611C10748AEb04B58e8F) + //USDT l2AmmWrapper + router = IHopRouter(0x8741Ba6225A6BF91f9D73531A98A89807857a2B3); + else if (token_ == 0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270) + //WMATIC l2AmmWrapper + router = IHopRouter(0x884d1Aa15F9957E1aEAA86a82a72e49Bc2bfCbe3); + else if (token_ == 0x8f3Cf7ad23Cd3CaDbD9735AFf958023239c6A063) + //DAI l2AmmWrapper + router = IHopRouter(0x28529fec439cfF6d7D1D5917e956dEE62Cd3BE5c); + else if (token_ == 0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619) + //WETH l2AmmWrapper + router = IHopRouter(0xc315239cFb05F1E130E7E28E603CEa4C014c57f0); + else if (token_ == 0x1BFD67037B42Cf73acF2047067bd4F2C47D9BfD6) + //WBTC l2AmmWrapper + router = IHopRouter(0xCd1d7AEfA8055e020db0d0e98bbF3FeD1A16aad6); + else revert("Invalid token migration"); + } +} diff --git a/contracts/polygon/connectors/hop/interface.sol b/contracts/polygon/connectors/hop/interface.sol new file mode 100644 index 00000000..db68c7ef --- /dev/null +++ b/contracts/polygon/connectors/hop/interface.sol @@ -0,0 +1,17 @@ +//SPDX-License-Identifier: MIT +pragma solidity ^0.7.0; + +import { TokenInterface } from "../../common/interfaces.sol"; + +interface IHopRouter { + function swapAndSend( + uint256 chainId, + address recipient, + uint256 amount, + uint256 bonderFee, + uint256 amountOutMin, + uint256 deadline, + uint256 destinationAmountOutMin, + uint256 destinationDeadline + ) external; +} diff --git a/contracts/polygon/connectors/hop/main.sol b/contracts/polygon/connectors/hop/main.sol new file mode 100644 index 00000000..d49e25dd --- /dev/null +++ b/contracts/polygon/connectors/hop/main.sol @@ -0,0 +1,143 @@ +//SPDX-License-Identifier: MIT +pragma solidity ^0.7.0; +pragma experimental ABIEncoderV2; + +/** + * @title Hop. + * @dev Cross chain Bridge. + */ + +import { TokenInterface, MemoryInterface } from "../../common/interfaces.sol"; +import { Stores } from "../../common/stores.sol"; +import "./interface.sol"; +import "./helpers.sol"; +import "./events.sol"; + +abstract contract Resolver is Helpers { + function sendToL1( + address token, + uint256 chainId, + address recipientOnL1, + uint256 amount, + uint256 bonderFee, + uint256 amountOutMin, + uint256 deadline, + uint256 destinationAmountOutMin, + uint256 destinationDeadline, + uint256 getId + ) + external + payable + returns (string memory _eventName, bytes memory _eventParam) + { + uint256 _amt = getUint(getId, amount); + + bool isMatic = token == maticAddr; + address _token = isMatic ? wmaticAddr : token; + + TokenInterface tokenContract = TokenInterface(_token); + + if (isMatic) { + _amt = _amt == uint256(-1) ? address(this).balance : _amt; + convertMaticToWmatic(isMatic, tokenContract, _amt); + } else { + _amt = _amt == uint256(-1) + ? tokenContract.balanceOf(address(this)) + : _amt; + } + + require( + destinationAmountOutMin == 0, + "destinationAmountOutMin != 0, sending to L1" + ); + require( + destinationDeadline == 0, + "destinationDeadline != 0, sending to L1" + ); + + _swapAndSend( + _token, + chainId, + recipientOnL1, + _amt, + bonderFee, + amountOutMin, + deadline, + destinationAmountOutMin, + destinationDeadline + ); + + _eventName = "LogSendToL1(address,uint256,address,uint256,uint256,uint256,uint256,uint256,uint256,uint256)"; + _eventParam = abi.encode( + _token, + chainId, + recipientOnL1, + _amt, + bonderFee, + amountOutMin, + deadline, + destinationAmountOutMin, + destinationDeadline, + getId + ); + } + + function sendToL2( + address token, + uint256 chainId, + address recipientOnL2, + uint256 amount, + uint256 bonderFee, + uint256 amountOutMin, + uint256 deadline, + uint256 destinationAmountOutMin, + uint256 destinationDeadline, + uint256 getId + ) + external + payable + returns (string memory _eventName, bytes memory _eventParam) + { + uint256 _amt = getUint(getId, amount); + + bool isMatic = token == maticAddr; + address _token = isMatic ? wmaticAddr : token; + + TokenInterface tokenContract = TokenInterface(_token); + + if (isMatic) { + _amt = _amt == uint256(-1) ? address(this).balance : _amt; + convertMaticToWmatic(isMatic, tokenContract, _amt); + } else { + _amt = _amt == uint256(-1) + ? tokenContract.balanceOf(address(this)) + : _amt; + } + + _swapAndSend( + _token, + chainId, + recipientOnL2, + _amt, + bonderFee, + amountOutMin, + deadline, + destinationAmountOutMin, + destinationDeadline + ); + + _eventName = "LogSendToL2(address,uint256,address,uint256,uint256,uint256,uint256,uint256,uint256,uint256)"; + _eventParam = abi.encode( + _token, + chainId, + recipientOnL2, + _amt, + bonderFee, + amountOutMin, + deadline, + destinationAmountOutMin, + destinationDeadline, + getId + ); + } +}