Fixes for Hardhat 2.11.0 (#740)

Author: cgewecke

.circleci/config.yml

@@ -12,15 +12,15 @@ step_install_nvm: &step_install_nvm
       set +e
       export NVM_DIR="/opt/circleci/.nvm"
       [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
-      nvm install v12.16.0
-      nvm alias default v12.16.0
+      nvm install v14.19.0
+      nvm alias default v14.19.0
       echo 'export NVM_DIR="/opt/circleci/.nvm"' >> $BASH_ENV
       echo "[ -s \"$NVM_DIR/nvm.sh\" ] && . \"$NVM_DIR/nvm.sh\"" >> $BASH_ENV
 
 jobs:
   unit-test:
     docker:
-      - image: circleci/node:12
+      - image: circleci/node:14
     steps:
       - checkout
       - run:

lib/api.js

@@ -289,7 +289,7 @@ class API {
     while (cur._wrapped) {
       cur = Object.assign({}, cur._wrapped)
     }
-    cur._node._vm.on('step', self.collector.step.bind(self.collector))
+    cur._node._vm.evm.events.on('step', self.collector.step.bind(self.collector))
   }
 
   // Temporarily disabled because some relevant traces aren't available

lib/collector.js

@@ -1,5 +1,3 @@
-const web3Utils = require('web3-utils')
-
 /**
  * Writes data from the VM step to the in-memory
  * coverage map constructed by the Instrumenter.
@@ -22,7 +20,7 @@ class DataCollector {
     try {
       if (this.validOpcodes[info.opcode.name] && info.stack.length > 0){
         const idx = info.stack.length - 1;
-        let hash = web3Utils.toHex(info.stack[idx]).toString();
+        let hash = '0x' +  info.stack[idx].toString(16);
         this._registerHash(hash)
       }
     } catch (err) { /*Ignore*/ };

package.json

@@ -42,8 +42,7 @@
     "recursive-readdir": "^2.2.2",
     "sc-istanbul": "^0.4.5",
     "semver": "^7.3.4",
-    "shelljs": "^0.8.3",
-    "web3-utils": "^1.3.0"
+    "shelljs": "^0.8.3"
   },
   "devDependencies": {
     "@nomiclabs/hardhat-ethers": "^2.0.4",
@@ -56,7 +55,7 @@
     "ethereum-waffle": "^3.4.0",
     "ethers": "^5.5.3",
     "ganache-cli": "6.12.2",
-    "hardhat": "^2.9.3",
+    "hardhat": "^2.11.0",
     "hardhat-gas-reporter": "^1.0.1",
     "nyc": "^14.1.1",
     "solc": "^0.7.5"

scripts/run-zeppelin.sh

@@ -28,6 +28,9 @@ cd openzeppelin-contracts
 echo ">>>>> npm install"
 npm install
 
+# Use HH Merge version
+npm install hardhat@2.11.0 --save-dev
+
 echo ">>>>> npm uninstall solidity-coverage --save-dev"
 npm uninstall solidity-coverage --save-dev
 

test/integration/projects/matrix/expectedMochaOutput.json

@@ -7,6 +7,20 @@
   "failures": 0
  },
  "tests": [
+  {
+   "title": "sends",
+   "fullTitle": "Contract: MatrixA sends",
+   "file": "test/matrix_a.js",
+   "currentRetry": 0,
+   "err": {}
+  },
+  {
+   "title": "calls",
+   "fullTitle": "Contract: MatrixA calls",
+   "file": "test/matrix_a.js",
+   "currentRetry": 0,
+   "err": {}
+  },
   {
    "title": "sends to A",
    "fullTitle": "Contract: Matrix A and B sends to A",
@@ -34,7 +48,10 @@
    "file": "test/matrix_a_b.js",
    "currentRetry": 0,
    "err": {}
-  },
+  }
+ ],
+ "failures": [],
+ "passes": [
   {
    "title": "sends",
    "fullTitle": "Contract: MatrixA sends",
@@ -48,10 +65,7 @@
    "file": "test/matrix_a.js",
    "currentRetry": 0,
    "err": {}
-  }
- ],
- "failures": [],
- "passes": [
+  },
   {
    "title": "sends to A",
    "fullTitle": "Contract: Matrix A and B sends to A",
@@ -79,20 +93,6 @@
    "file": "test/matrix_a_b.js",
    "currentRetry": 0,
    "err": {}
-  },
-  {
-   "title": "sends",
-   "fullTitle": "Contract: MatrixA sends",
-   "file": "test/matrix_a.js",
-   "currentRetry": 0,
-   "err": {}
-  },
-  {
-   "title": "calls",
-   "fullTitle": "Contract: MatrixA calls",
-   "file": "test/matrix_a.js",
-   "currentRetry": 0,
-   "err": {}
   }
  ]
 }

test/integration/projects/matrix/expectedTestMatrixHardhat.json

@@ -1,13 +1,13 @@
 {
  "contracts/MatrixA.sol": {
   "10": [
-   {
-    "title": "sends to A",
-    "file": "test/matrix_a_b.js"
-   },
    {
     "title": "sends",
     "file": "test/matrix_a.js"
+   },
+   {
+    "title": "sends to A",
+    "file": "test/matrix_a_b.js"
    }
   ],
   "14": [