Enable istanbul in Ganache

contracts/test-utils/src/web3_wrapper.ts

@@ -19,6 +19,7 @@ export let providerConfigs: Web3Config = {
     total_accounts: constants.NUM_TEST_ACCOUNTS,
     shouldUseInProcessGanache: true,
     shouldAllowUnlimitedContractSize: true,
+    hardfork: 'istanbul',
 };
 
 export const provider: Web3ProviderEngine = web3Factory.getRpcProvider(providerConfigs);

package.json

@@ -82,7 +82,7 @@
         "async-child-process": "^1.1.1",
         "bundlewatch": "^0.2.1",
         "coveralls": "^3.0.0",
-        "ganache-cli": "6.4.1",
+        "ganache-cli": "6.8.0-istanbul.0",
         "lcov-result-merger": "^3.0.0",
         "lerna": "^3.0.0-beta.25",
         "npm-run-all": "^4.1.2",

packages/dev-utils/src/web3_factory.ts

@@ -25,6 +25,7 @@ export interface Web3Config {
     blockTime?: number;
     locked?: boolean;
     unlocked_accounts?: string[];
+    hardfork?: string;
 }
 
 export const web3Factory = {
@@ -81,6 +82,7 @@ export const web3Factory = {
                     blockTime: config.blockTime,
                     locked: config.locked,
                     unlocked_accounts: config.unlocked_accounts,
+                    hardfork: config.hardfork,
                 } as any), // TODO remove any once types are merged in DefinitelyTyped
             );
         } else {

packages/subproviders/package.json

@@ -47,7 +47,7 @@
         "ethereum-types": "^3.0.0",
         "ethereumjs-tx": "^1.3.5",
         "ethereumjs-util": "^5.1.1",
-        "ganache-core": "^2.6.0",
+        "ganache-core": "2.9.0-istanbul.0",
         "hdkey": "^0.7.1",
         "json-rpc-error": "2.0.0",
         "lodash": "^4.17.11",