Implemented adddtokenstopairs script

gsscoder · gsscoder · commit 61433a63ecbf · 2022-08-01T08:22:06.000+02:00
diff --git a/scripts/addtokenstopairs.js b/scripts/addtokenstopairs.js
@@ -0,0 +1,69 @@
+const fs = require('fs');
+const path = require('path');
+const utils = require('./utils');
+const hre = require('hardhat');
+const configs = require('../appconfigs.json');
+
+const hasSN = n => {
+  const str = n.toString();
+  return str.includes('e-') || str.includes('e+');
+}
+
+const network = configs.network;
+const dex = configs.dex;
+
+console.log('Adding token data to pairs file');
+
+const pairsOut = path.join(configs.outputPath, `${network.toLowerCase()}${utils.toTitleCase(dex)}Pairs.json`) 
+const pairs = JSON.parse(fs.readFileSync(pairsOut, {encoding: 'utf8'}));
+
+const tokensOut = path.join(configs.outputPath, `${network.toLowerCase()}Tokens.json`)
+const tokens = JSON.parse(fs.readFileSync(tokensOut, {encoding: 'utf8'}));
+
+const pairsResult = [];
+for (let i = 0; i < pairs.length; i++) {
+  const token0 = tokens.find(t => t.address === pairs[i].token0.address);
+  const token1 = tokens.find(t => t.address === pairs[i].token1.address);
+  if (!token0 || !token1) {
+    console.log(`WARNING: pair ${pairs[i].address} is invalid`);
+    continue;
+  }
+  let reserve0 = 0;
+  if (pairs[i].token0.reserve !== undefined && pairs[i].token0.reserve !== "0") {
+    reserve0 = Number((hre.ethers.BigNumber.from(pairs[i].token0.reserve) / Math.pow(10, token0.decimals)).toFixed(token0.decimals));
+    if (hasSN(reserve0)) {
+      console.log(`WARNING: token ${pairs[i].token0.address} has not meaningful reserve`);
+      continue;
+    }
+  }
+  let reserve1 = 0;
+  if (pairs[i].token1.reserve !== undefined && pairs[i].token1.reserve !== "0") {
+    reserve1 = Number(hre.ethers.BigNumber.from(pairs[i].token1.reserve) / Math.pow(10, token1.decimals).toFixed(token1.decimals));  
+    if (hasSN(reserve1)) {
+      console.log(`WARNING: token ${pairs[i].token0.address} has not meaningful reserve`);
+      continue;
+    }
+  }
+  pairsResult.push({
+    address: pairs[i].address,
+    token0: {
+      address: token0?.address,
+      symbol: token0?.symbol,
+      name: token0?.name,
+      decimals: token0?.decimals,
+      reserve: reserve0
+    },
+    token1: {
+      address: token1?.address,
+      symbol: token1?.symbol,
+      name: token1?.name,
+      decimals: token1?.decimals,
+      reserve: reserve1
+    }
+  });
+}
+
+console.log(`Updating ${pairsOut}`);
+fs.writeFileSync(pairsOut, JSON.stringify(pairsResult, null, 2), {encoding: 'utf8'});  
+
+console.log('Completed');
