Try using ganache.server

.circleci/config.yml

@@ -8,8 +8,8 @@ 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 v8.15.0
-      nvm alias default v8.15.0
+      nvm install v10.15.3
+      nvm alias default v10.15.3
       echo 'export NVM_DIR="/opt/circleci/.nvm"' >> $BASH_ENV
       echo "[ -s \"$NVM_DIR/nvm.sh\" ] && . \"$NVM_DIR/nvm.sh\"" >> $BASH_ENV
 jobs:

dist/truffle.plugin.js

@@ -35,6 +35,7 @@ const Web3 = require('web3');
 const util = require('util');
 const globby = require('globby');
 const globalModules = require('global-modules');
+const TruffleProvider = require('@truffle/provider');
 
 async function plugin(truffleConfig){
   let app;
@@ -71,18 +72,25 @@ async function plugin(truffleConfig){
     death(app.cleanUp); // This doesn't work...
 
     // Launch in-process provider
-    const provider = await app.provider(truffle.ganache);
-    const web3 = new Web3(provider);
+    //const provider = await app.provider(truffle.ganache);
+    //const web3 = new Web3(provider);
+    await app.provider(truffle.ganache);
+    const web3 = new Web3('http://localhost:8777');
+    console.log('post web3 in plugin');
     const accounts = await web3.eth.getAccounts();
     const nodeInfo = await web3.eth.getNodeInfo();
     const ganacheVersion = nodeInfo.split('/')[1];
+    console.log('post initial web3 calls')
 
     app.ui.report('truffle-version', [truffle.version]);
     app.ui.report('ganache-version', [ganacheVersion]);
     app.ui.report('coverage-version',[pkg.version]);
 
     // Bail early if user ran: --version
-    if (truffleConfig.version) return;
+    if (truffleConfig.version){
+      await app.cleanUp();
+      return;
+    };
 
     // Write instrumented sources to temp folder
     app.instrument();
@@ -108,12 +116,17 @@ async function plugin(truffleConfig){
     // are not manually set
     try {
       truffleConfig.network_id = "*";
-      truffleConfig.provider = provider;
-    } catch (err){}
+      truffleConfig.port = 8777;
+      truffleConfig.host = "127.0.0.1";
+      truffleConfig.provider = TruffleProvider.create(truffleConfig);
+    } catch (err){
+      console.log('errored on initial setting of truffleConfig.provider...')
+    }
 
     truffleConfig.networks[networkName] = {
       network_id: "*",
-      provider: provider,
+      provider: TruffleProvider.create(truffleConfig),
+      port: 8777,
       gas: app.gasLimit,
       gasPrice: app.gasPrice,
       from: accounts[0]

lib/app.js

@@ -4,7 +4,7 @@ const path = require('path');
 const istanbul = require('istanbul');
 const util = require('util');
 const assert = require('assert');
-const memdown = require('memdown');
+const pify = require('pify');
 
 const Instrumenter = require('./instrumenter');
 const Coverage = require('./coverage');
@@ -34,7 +34,9 @@ class App {
     this.originalContractsDir = config.originalContractsDir
 
     this.client = config.client;
+    this.server = null;
     this.providerOptions = config.providerOptions || {};
+    this.defaultPort = 8777;
 
     this.skippedFolders = [];
     this.skipFiles = config.skipFiles || [];
@@ -124,14 +126,13 @@ class App {
 
     this.providerOptions.gasLimit = this.gasLimitString;
     this.providerOptions.allowUnlimitedContractSize = true;
-    this.providerOptions.db = memdown();
-    this.providerOptions.asyncRequestProcessing = true;
 
     // Try to launch provider and attach to vm step of
     // either plugin's ganache or a provider passed via options
     try {
       this.provider = await this.attachToVM();
     } catch(err){
+      console.log('err --> ' + err);
       retry = true;
       this.ui.report('vm-fail', [])
     }
@@ -190,8 +191,8 @@ class App {
     shell.rm('-Rf', this.artifactsDir);
 
     if (this.provider && this.provider.close){
-      this.log('Shutting down ganache-core')
-      return new Promise(res => self.provider.close(res))
+      this.log('Shutting down ganache-core.server')
+      await pify(self.server.close)();
     }
   }
   // ------------------------------------------ Utils ----------------------------------------------
@@ -201,7 +202,9 @@ class App {
   // ========
   async attachToVM(){
     const self = this;
-    const provider = this.client.provider(this.providerOptions);
+    const port = this.providerOptions.port || this.defaultPort;
+    this.server = this.client.server(this.providerOptions);
+    const provider = this.server.provider;
 
     this.assertHasBlockchain(provider);
 
@@ -221,6 +224,7 @@ class App {
       return vm;
     }
 
+    await pify(this.server.listen)(port);
     return provider;
   }
 

package.json

@@ -21,6 +21,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "@truffle/provider": "^0.1.17",
     "chalk": "^2.4.2",
     "death": "^1.1.0",
     "ganache-core-sc": "2.7.0-sc.0",
@@ -30,6 +31,7 @@
     "memdown": "^5.0.0",
     "node-dir": "^0.1.17",
     "node-emoji": "^1.10.0",
+    "pify": "^4.0.1",
     "req-cwd": "^1.0.1",
     "shelljs": "^0.8.3",
     "solidity-parser-antlr": "^0.4.7",

yarn.lock

@@ -166,6 +166,30 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
+"@truffle/error@^0.0.7":
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.7.tgz#e9db39885575647ef08bf624b0c13fe46d41a209"
+  integrity sha512-UIfVKsXSXocKnn5+RNklUXNoGd/JVj7V8KmC48TQzmjU33HQI86PX0JDS7SpHMHasI3w9X//1q7Lu7nZtj3Zzg==
+
+"@truffle/interface-adapter@^0.2.6":
+  version "0.2.6"
+  resolved "https://registry.yarnpkg.com/@truffle/interface-adapter/-/interface-adapter-0.2.6.tgz#41bdf5a1a120e8b76c441fa1a746bdc3c6d3fad2"
+  integrity sha512-8ByMwqC9hWaHQDlwCEMoIhEewvkZXeeywu46/7yM7BHE1XoSDjiQzWjagg6nLJwmFRwB1ZHYC3RXiDyFJLWd0g==
+  dependencies:
+    bn.js "^4.11.8"
+    ethers "^4.0.32"
+    lodash "^4.17.13"
+    web3 "1.2.1"
+
+"@truffle/provider@^0.1.17":
+  version "0.1.17"
+  resolved "https://registry.yarnpkg.com/@truffle/provider/-/provider-0.1.17.tgz#9b72a76a7ce18a054eabb3ebd21a55a33dc7d7b6"
+  integrity sha512-V8k2jErxotpMt/R6qS7GL0stM1TWsuJYnm6iRcYDGwp0D33pZDLrnmwsuIbtXIfbAuaJ26kQHu2LGCUxuFh0LA==
+  dependencies:
+    "@truffle/error" "^0.0.7"
+    "@truffle/interface-adapter" "^0.2.6"
+    web3 "1.2.1"
+
 "@types/bn.js@^4.11.2":
   version "4.11.5"
   resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-4.11.5.tgz#40e36197433f78f807524ec623afcf0169ac81dc"