Don't use mycelo for e2e tests by default.

packages/celotool/src/e2e-tests/blockchain_parameters_tests.ts

@@ -16,7 +16,7 @@ describe('Blockchain parameters tests', function (this: any) {
   let parameters: BlockchainParametersWrapper
 
   const gethConfig: GethRunConfig = {
-    useMycelo: true,
+    migrate: true,
     runPath: TMP_PATH,
     keepData: false,
     networkId: 1101,

packages/celotool/src/e2e-tests/cip35_tests.ts

@@ -128,7 +128,7 @@ function generateTestCases(cipIsActivated: boolean) {
 function getGethRunConfig(withDonut: boolean): GethRunConfig {
   console.log('getGethRunConfig', withDonut)
   return {
-    useMycelo: true,
+    migrate: true,
     runPath: TMP_PATH,
     keepData: false,
     networkId: 1101,

packages/celotool/src/e2e-tests/governance_tests.ts

@@ -177,7 +177,7 @@ describe('governance tests', () => {
   const gethConfig: GethRunConfig = {
     runPath: TMP_PATH,
     verbosity: 3,
-    useMycelo: true,
+    migrate: true,
     networkId: 1101,
     network: 'local',
     genesisConfig: {

packages/celotool/src/e2e-tests/replica_tests.ts

@@ -35,7 +35,7 @@ const verbose = false
 
 describe('replica swap tests', () => {
   const gethConfig: GethRunConfig = {
-    useMycelo: true,
+    migrate: true,
     runPath: TMP_PATH,
     verbosity: 4,
     networkId: 1101,

packages/celotool/src/e2e-tests/slashing_tests.ts

@@ -97,7 +97,7 @@ describe('slashing tests', function (this: any) {
     network: 'local',
     networkId: 1101,
     runPath: TMP_PATH,
-    useMycelo: true,
+    migrate: true,
     genesisConfig: {
       churritoBlock: 0,
       donutBlock: 0,

packages/celotool/src/e2e-tests/sync_tests.ts

@@ -21,7 +21,6 @@ describe('sync tests', function (this: any) {
       churritoBlock: 0,
       donutBlock: 0,
     },
-    useMycelo: true,
     instances: [
       {
         name: 'validator0',

packages/celotool/src/e2e-tests/transfer_tests.ts

@@ -170,7 +170,7 @@ describe('Transfer tests', function (this: any) {
 
   const syncModes = ['full', 'fast', 'light', 'lightest']
   const gethConfig: GethRunConfig = {
-    useMycelo: true,
+    migrate: true,
     networkId: 1101,
     network: 'local',
     runPath: TMP_PATH,

packages/celotool/src/e2e-tests/utils.ts

@@ -6,6 +6,7 @@ import { join as joinPath, resolve as resolvePath } from 'path'
 import readLastLines from 'read-last-lines'
 import Web3 from 'web3'
 import { spawnCmd, spawnCmdWithExitOnFailure } from '../lib/cmd-utils'
+import { envVar, fetchEnvOrFallback } from '../lib/env-utils'
 import {
   AccountType,
   getPrivateKeysFor,
@@ -34,6 +35,7 @@ import {
 import { GethInstanceConfig } from '../lib/interfaces/geth-instance-config'
 import { GethRepository } from '../lib/interfaces/geth-repository'
 import { GethRunConfig } from '../lib/interfaces/geth-run-config'
+import { stringToBoolean } from '../lib/utils'
 
 const MonorepoRoot = resolvePath(joinPath(__dirname, '../..', '../..'))
 const verboseOutput = false
@@ -215,6 +217,10 @@ export function getHooks(gethConfig: GethRunConfig) {
 }
 
 export function getContext(gethConfig: GethRunConfig, verbose: boolean = verboseOutput) {
+  // Use of mycelo can be enabled through gethConfig or through an env variable
+  const useMycelo =
+    !!gethConfig.useMycelo ||
+    stringToBoolean(fetchEnvOrFallback(envVar.E2E_TESTS_FORCE_USE_MYCELO, 'false'))
   const validatorInstances = gethConfig.instances.filter((x: any) => x.validating)
 
   const numValidators = validatorInstances.length
@@ -240,7 +246,7 @@ export function getContext(gethConfig: GethRunConfig, verbose: boolean = verbose
       await checkoutGethRepo(repo.branch || 'master', repo.path)
     }
 
-    if (gethConfig.useMycelo) {
+    if (useMycelo) {
       await buildGethAll(repo.path)
     } else {
       await buildGeth(repo.path)
@@ -255,7 +261,7 @@ export function getContext(gethConfig: GethRunConfig, verbose: boolean = verbose
       fs.mkdirSync(gethConfig.runPath, { recursive: true })
     }
 
-    if (gethConfig.useMycelo) {
+    if (useMycelo) {
       // Compile the contracts first because mycelo assumes they are compiled already, unless told not to
       if (!gethConfig.myceloSkipCompilingContracts) {
         await spawnCmdWithExitOnFailure('yarn', ['truffle', 'compile'], {
@@ -312,7 +318,7 @@ export function getContext(gethConfig: GethRunConfig, verbose: boolean = verbose
       }
     }
 
-    if (gethConfig.useMycelo || !(gethConfig.migrate || gethConfig.migrateTo)) {
+    if (useMycelo || !(gethConfig.migrate || gethConfig.migrateTo)) {
       // Just need to initialize the nodes in this case.  No need to actually start the network
       // since we don't need to run the migrations against it.
       for (const instance of gethConfig.instances) {

packages/celotool/src/e2e-tests/validator_order_tests.ts

@@ -16,7 +16,7 @@ describe('governance tests', () => {
     networkId: 1101,
     network: 'local',
     runPath: TMP_PATH,
-    useMycelo: true,
+    migrate: true,
     instances: _.range(VALIDATORS).map((i) => ({
       name: `validator${i}`,
       validating: true,

packages/celotool/src/lib/env-utils.ts

@@ -53,6 +53,7 @@ export enum envVar {
   CONSENSUS_TYPE = 'CONSENSUS_TYPE',
   CONTEXTS = 'CONTEXTS',
   DONUT_BLOCK = 'DONUT_BLOCK',
+  E2E_TESTS_FORCE_USE_MYCELO = 'E2E_TESTS_FORCE_USE_MYCELO',
   EKSPORTISTO_DOCKER_IMAGE_REPOSITORY = 'EKSPORTISTO_DOCKER_IMAGE_REPOSITORY',
   EKSPORTISTO_DOCKER_IMAGE_TAG = 'EKSPORTISTO_DOCKER_IMAGE_TAG',
   EKSPORTISTO_SUFFIX = 'EKSPORTISTO_SUFFIX',