refactor scripts

scripts/count.js

@@ -0,0 +1,34 @@
+const fs = require('fs')
+const path = require('path')
+const { CHAINS_DIRECTORY, stat, tableLog, toNumber } = require('./shared')
+
+fs.readdir(CHAINS_DIRECTORY, async function (err, files) {
+  if (err) {
+    console.error('Could not list the directory.', err)
+    process.exit(1)
+  }
+
+  let matches = []
+
+  await Promise.all(
+    files.map(async function (file, index) {
+      const filePath = path.join(CHAINS_DIRECTORY, file)
+      const fileStat = await stat(filePath)
+      const ext = path.extname(file)
+      if (fileStat.isFile() && ext === '.json') {
+        let json = require(filePath)
+        if (toNumber(json.chainId) !== toNumber(json.networkId)) {
+          matches.push(json)
+        }
+      }
+      return fileStat
+    })
+  )
+
+  console.log(
+    `There are ${files.length} known EVM chains from which ${
+      matches.length
+    } have unmatched ids, here are the list of those chains: `
+  )
+  tableLog(matches)
+})

scripts/shared/index.js

@@ -5,7 +5,7 @@ const BigNumber = require('bignumber.js')
 
 require('dotenv').config()
 
-const ROOT_DIRECTORY = path.join(__dirname, '../')
+const ROOT_DIRECTORY = path.join(__dirname, '../../')
 
 const CHAINS_DIRECTORY = path.join(ROOT_DIRECTORY, './_data/chains')
 
@@ -23,6 +23,41 @@ const CHAIN_ID_REQ = {
   params: []
 }
 
+function padRight (n, width, z) {
+  z = z || '0'
+  n = n + ''
+  return n.length >= width ? n : n + new Array(width - n.length + 1).join(z)
+}
+
+function paddedLog (...args) {
+  let output = ''
+  args.forEach(arg => {
+    output += padRight(`${arg}`, 32, ' ')
+  })
+  console.log(output)
+}
+
+function tableLog (array) {
+  console.log('\n')
+  paddedLog('Name', 'Chain', 'ChainId', 'NetworkId')
+  console.log('\n')
+  array.map(json =>
+    paddedLog(json.name, json.chain, json.chainId, json.networkId)
+  )
+  console.log('\n')
+}
+
+function stat (filePath) {
+  return new Promise((resolve, reject) => {
+    fs.stat(filePath, function (error, stat) {
+      if (error) {
+        return reject(error)
+      }
+      resolve(stat)
+    })
+  })
+}
+
 function formatRpcUrl (rpcUrl) {
   return rpcUrl.replace(
     '${INFURA_API_KEY}', // eslint-disable-line
@@ -123,36 +158,21 @@ async function verifyJson (json) {
   return json
 }
 
-fs.readdir(CHAINS_DIRECTORY, function (err, files) {
-  if (err) {
-    console.error('Could not list the directory.', err)
-    process.exit(1)
-  }
-
-  files.forEach(function (file, index) {
-    const filePath = path.join(CHAINS_DIRECTORY, file)
-
-    fs.stat(filePath, async function (error, stat) {
-      if (error) {
-        console.error('Error stating file.', error)
-        return
-      }
-
-      const ext = path.extname(file)
-      if (stat.isFile() && ext === '.json') {
-        let json = require(filePath)
-        const fileName = file.replace(ext, '')
-        if (toNumber(fileName)) {
-          json.chainId = toNumber(fileName)
-        }
-        json = await verifyJson(json)
-        console.log(
-          `${json.chain.toUpperCase()} chainId=${json.chainId} networId=${
-            json.networkId
-          }`
-        )
-        await writeJson(filePath, json)
-      }
-    })
-  })
-})
+module.exports = {
+  ROOT_DIRECTORY,
+  CHAINS_DIRECTORY,
+  NET_VERSION_REQ,
+  CHAIN_ID_REQ,
+  padRight,
+  paddedLog,
+  tableLog,
+  stat,
+  formatRpcUrl,
+  writeJson,
+  rpcRequest,
+  toNumber,
+  getNetworkId,
+  getChainId,
+  queryMulti,
+  verifyJson
+}

scripts/verify.js

@@ -0,0 +1,46 @@
+const fs = require('fs')
+const path = require('path')
+const {
+  CHAINS_DIRECTORY,
+  tableLog,
+  stat,
+  writeJson,
+  toNumber,
+  verifyJson
+} = require('./shared')
+
+fs.readdir(CHAINS_DIRECTORY, async function (err, files) {
+  if (err) {
+    console.error('Could not list the directory.', err)
+    process.exit(1)
+  }
+
+  console.log('Verifying:', CHAINS_DIRECTORY)
+
+  let result = []
+
+  await Promise.all(
+    files.map(async function (file, index) {
+      const filePath = path.join(CHAINS_DIRECTORY, file)
+      const fileStat = await stat(filePath)
+      const ext = path.extname(file)
+      if (fileStat.isFile() && ext === '.json') {
+        let json = require(filePath)
+        const fileName = file.replace(ext, '')
+        if (toNumber(fileName)) {
+          json.chainId = toNumber(fileName)
+        }
+        json = await verifyJson(json)
+        await writeJson(filePath, json)
+        result.push(json)
+      }
+      return fileStat
+    })
+  )
+
+  tableLog(result)
+
+  console.log(
+    `Successfully verified ${files.length} file${files.length > 1 ? 's' : ''}`
+  )
+})