Merge pull request #59 from maticnetwork/command-scripts

new: add new script for update-implementation data

README.md

@@ -118,3 +118,9 @@ npm run truffle -- migrate --network mainnetChild --f 5 --to 5
 - Register RootChainManager and ChildChainManager on StateSender
 - Set stateSenderAddress on RootChainManager
 - Grant STATE_SYNCER_ROLE on ChildChainManager
+
+### Command scripts (Management scripts)
+
+```bash
+npm run truffle exec scripts/update-implementation.js -- --network <network-name> <new-address>
+```

scripts/update-implementation.js

@@ -0,0 +1,32 @@
+const contractAddresses = require('../contractAddresses.json')
+
+const RootChainManagerProxy = artifacts.require('RootChainManagerProxy')
+
+async function updateImplementation(address) {
+  const rootChainManager = await RootChainManagerProxy.at(
+    contractAddresses.root.RootChainManagerProxy
+  )
+
+  let currentImplementation = await rootChainManager.implementation()
+  console.log("Current ChildChainManagerProxy implementation address", currentImplementation)
+
+  const data = rootChainManager.contract.methods.updateImplementation(address).encodeABI()
+  console.log("ChildChainManagerProxy updateImplementation ABI encoded data:", data)
+}
+
+module.exports = async function(callback) {
+  // args starts with index 6, example: first arg == process.args[6]
+  console.log(process.argv)
+  try {
+    const accounts = await web3.eth.getAccounts()
+    console.log('Current configured address to make transactions:', accounts[0])
+
+    // set validator share address
+    // -- --network <network-name> <new-address>
+    await updateImplementation(process.argv[6])
+  } catch (e) {
+    // truffle exec <script> doesn't throw errors, so handling it in a verbose manner here
+    console.log(e)
+  }
+  callback()
+}