feat: Add Curve Support in Leveraged EI (#100)

* Sync aave leverage module from inside the contract

* Add IAaveLeverageModule interface

* Parameterize integration test to be run both for Eth2x and iEth

* Change calculation of eth to spend per test case

* Reduce min amount out in test

* Add curve contract interfaces

* Implementation of swapExactTokensForTokensCurve

* refactor integration test to have different exchanges for different sets

* Add implementation of exact output swap on curve

* Collect integration tests meant to be run on polygon fork in one directory

* Add ethereum integration test skeleton

* Increase pinned block number for eth mainnet fork

* Test curve swap methods

* Extend tests of curve integration

* Test failing when trying to do two exact output swaps

* Reset to snapshot to avoid failure on second exactOutput swap

* Move exchange selection to swapData

* More tweeking of integration tests

* Fix unittests

* Fix linter errors in integrationtest

* Add ethereum integration test to circleci workflow

* Add staging addresses to integration test

* Fix wrong path in polygon integration test

* Remove snapshot resets from polygon integration tests

* Approve icEth token in integrationtest

* Add attempt issuance with collateral token to ethereum integration test

* Log statements to illustrate aave issue

* First working test case for icEth issuance from stEth

* Add test case issuing from weth

* Add rounding margin to calculated amount in to avoid curve error of not enough tokens obtained

* Remove debug logs

* Add redemption to integration tests

* Double rounding error margin when transfering out underlying of collateral

* Add ETH testcases

* Convert DEXAdapter to linked library

* Remove unlimitedContractSize flag

* Fix unittests

* TODO comment to review if we want to keep isSetToken

* Various cleanups in DEXAdapter contract code

* Remove isSetToken modifier

* Remove TODO comments

Co-authored-by: Christian Koopmann <[email protected]>
Co-authored-by: Christian Koopmann <[email protected]>

Author: 3 people

.circleci/config.yml

@@ -103,6 +103,29 @@ jobs:
           name: Hardhat Test
           command: yarn test:integration:polygon
 
+  test_integration_ethereum:
+    docker:
+      - image: cimg/node:lts
+    working_directory: ~/index-coop-smart-contracts
+    steps:
+      - setup_remote_docker:
+          docker_layer_caching: false
+      - run:
+          name: Fetch solc version
+          command: docker pull ethereum/solc:0.6.10
+      - restore_cache:
+          key: compiled-env-{{ .Environment.CIRCLE_SHA1 }}
+      - run:
+          name: Set Up Environment Variables
+          command: cp .env.default .env
+      - run:
+          name: Test RPC
+          command: yarn chain:fork:ethereum
+          background: true
+      - run:
+          name: Hardhat Test
+          command: yarn test:integration:ethereum
+
   coverage:
     docker:
       - image: cimg/node:lts
@@ -202,6 +225,9 @@ workflows:
       - test_forked_network:
           requires:
             - checkout_and_compile
+      - test_integration_ethereum:
+          requires:
+            - checkout_and_compile
       - test_integration_polygon:
           requires:
             - checkout_and_compile