feat: add dai-weth pair (#5)

example.config.json

@@ -16,7 +16,7 @@
                 "address": "0x220c33Bb71D3b6A6a6EA2036AbDb1C9449447afc"
             },
             "uniswapV2Router": {
-                "address": "0x7a250d5630b4cf539739df2c5dacb4c659f2488d"
+                "address": "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D"
             },
             "uniswapHandler": {
                 "address": "0x293aC14CB38E2443d9c95C185A25b8EA6f2f18A2"

hardhat.config.js

@@ -22,7 +22,7 @@ module.exports = {
       url: `https://eth-mainnet.alchemyapi.io/v2/${config.alchemy.mainnet.apiKey}`,
       accounts: mainnetAccounts,
       gasMultiplier: 1.1,
-      gasPrice: 30000000000, // 30 gwei
+      gasPrice: 55000000000, // 55 gwei
     }
   },
   solidity: {

scripts/deploy/02-governance-swap-set-dai-eth.js

@@ -0,0 +1,66 @@
+const Confirm = require('prompt-confirm');
+const hre = require('hardhat');
+const ethers = hre.ethers;
+const config = require('../../.config.json');
+const { e18 } = require('../../utils/web3-utils');
+
+const prompt = new Confirm('Do you wish to add default dai/weth governance handler and data?');
+
+async function main() {
+  await hre.run('compile');
+
+  await promptAndSubmit();
+}
+
+function promptAndSubmit() {
+  return new Promise(async (resolve) => {
+    try {
+      const [owner] = await ethers.getSigners();
+      console.log('owner:', owner.address);
+      prompt.ask(async (answer) => {
+        if (answer) {
+
+          const governanceSwap = await ethers.getContractAt('GovernanceSwap', config.contracts.mainnet.governanceSwap.address);
+          const uniswapDexHandler = await ethers.getContractAt('UniswapV2DexHandler', config.contracts.mainnet.uniswapHandler.address);
+          const uniswapV2Address = config.contracts.mainnet.uniswapV2Router.address;
+
+          const daiAddress = config.contracts.mainnet.dai.address;
+          const wethAddress = config.contracts.mainnet.weth.address;
+          const path = [daiAddress, wethAddress];
+          const defaultSwapData = await uniswapDexHandler.callStatic.customSwapData(
+            0, // _amount
+            0, // _min
+            path, // _path
+            owner.address, // _to
+            0// _expire
+          );
+          await governanceSwap.setPairDefaults(daiAddress, wethAddress, uniswapV2Address, defaultSwapData);
+          const pairDefaultDex = await governanceSwap.callStatic.getPairDefaultDex(daiAddress, wethAddress);
+          console.log('dex is the same', config.contracts.mainnet.uniswapV2Router.address == pairDefaultDex)
+          const pairDefaultDexHandler = await governanceSwap.callStatic.getPairDefaultDexHandler(daiAddress, wethAddress);
+          console.log('handler is the same', config.contracts.mainnet.uniswapHandler.address == pairDefaultDexHandler)
+          const pairDefaultData = await governanceSwap.callStatic.getPairDefaultData(daiAddress, wethAddress);
+          const customDecodeData = await uniswapDexHandler.callStatic.customDecodeData(pairDefaultData);
+          console.log('path is the same', JSON.stringify(path) == JSON.stringify(customDecodeData._path));
+
+          resolve();
+        } else {
+          console.error('Aborted!');
+          resolve();
+        }
+      });
+    } catch (err) {
+      reject(err);
+    }
+  });
+}
+
+
+// We recommend this pattern to be able to use async/await everywhere
+// and properly handle errors.
+main()
+  .then(() => process.exit(0))
+  .catch(error => {
+    console.error(error);
+    process.exit(1);
+  });