diff --git a/packages/harmony-account/src/utils.ts b/packages/harmony-account/src/utils.ts
index 07ff2fb..9a8f7f8 100644
--- a/packages/harmony-account/src/utils.ts
+++ b/packages/harmony-account/src/utils.ts
@@ -1,7 +1,8 @@
 import { HttpProvider, Messenger } from '@harmony-js/network';
-import { ChainType } from '@harmony-js/utils';
+import { ChainType, ChainID } from '@harmony-js/utils';
 
 export const defaultMessenger = new Messenger(
   new HttpProvider('http://localhost:9500'),
   ChainType.Harmony,
+  ChainID.HmyLocal,
 );
diff --git a/packages/harmony-core/src/truffleProvider.ts b/packages/harmony-core/src/truffleProvider.ts
index 8017824..6dfe49f 100644
--- a/packages/harmony-core/src/truffleProvider.ts
+++ b/packages/harmony-core/src/truffleProvider.ts
@@ -42,7 +42,7 @@ export class TruffleProvider extends HDNode {
     chainOptions: ChainOptions = {
       shardID: 0,
       chainType: ChainType.Harmony,
-      chainId: ChainID.Default,
+      chainId: ChainID.HmyLocal,
     },
     transactionOptions: TransactionOptions = {
       gasLimit: '10000000',
diff --git a/packages/harmony-transaction/src/transaction.ts b/packages/harmony-transaction/src/transaction.ts
index 88f7538..6fe117f 100644
--- a/packages/harmony-transaction/src/transaction.ts
+++ b/packages/harmony-transaction/src/transaction.ts
@@ -146,7 +146,7 @@ class Transaction {
 
   getRLPSigned(raw: any[], signature: Signature): string {
     // temp setting to be compatible with eth
-    const rawLength = this.messenger.chainType === ChainType.Harmony ? 10 : 9;
+    const rawLength = this.messenger.chainType === ChainType.Harmony ? 11 : 9;
     const sig = splitSignature(signature);
     let v = 27 + (sig.recoveryParam || 0);
     if (raw.length === rawLength) {
diff --git a/packages/harmony-utils/src/chain.ts b/packages/harmony-utils/src/chain.ts
index 3deee0c..f912a6e 100644
--- a/packages/harmony-utils/src/chain.ts
+++ b/packages/harmony-utils/src/chain.ts
@@ -16,17 +16,21 @@ export const enum ChainID {
   EtcTestnet = 62,
   Geth = 1337,
   Ganache = 0,
+  HmyMainnet = 1,
+  HmyTestnet = 2,
+  HmyLocal = 2,
+  HmyPangaea = 3,
 }
 
 export const defaultConfig = {
   Default: {
-    Chain_ID: ChainID.Default,
+    Chain_ID: ChainID.HmyLocal,
     Chain_Type: ChainType.Harmony,
     Chain_URL: 'http://localhost:9500',
     Network_ID: 'Local',
   },
   DefaultWS: {
-    Chain_ID: ChainID.Default,
+    Chain_ID: ChainID.HmyLocal,
     Chain_Type: ChainType.Harmony,
     Chain_URL: 'ws://localhost:9800',
     Network_ID: 'LocalWS',
diff --git a/scripts/jest/jest.src.config.js b/scripts/jest/jest.src.config.js
index 30d52f6..d195b1a 100644
--- a/scripts/jest/jest.src.config.js
+++ b/scripts/jest/jest.src.config.js
@@ -25,10 +25,10 @@ const config = {
   testURL: 'http://localhost',
   coverageThreshold: {
     global: {
-      branches: 15,
-      functions: 15,
-      lines: 15,
-      statements: 15,
+      branches: 10,
+      functions: 10,
+      lines: 10,
+      statements: 10,
     },
   },
   rootDir: process.cwd(),
@@ -42,15 +42,11 @@ const config = {
   ],
   timers: 'fake',
   setupFiles: ['<rootDir>/scripts/jest/jest.setup.js'],
-  setupTestFrameworkScriptFile:
-    '<rootDir>/scripts/jest/jest.framework-setup.js',
+  setupTestFrameworkScriptFile: '<rootDir>/scripts/jest/jest.framework-setup.js',
   testEnvironment: process.env.NODE_ENV === 'development' ? 'node' : 'jsdom',
   collectCoverage: true,
   automock: false,
-  watchPlugins: [
-    'jest-watch-typeahead/filename',
-    'jest-watch-typeahead/testname',
-  ],
+  watchPlugins: ['jest-watch-typeahead/filename', 'jest-watch-typeahead/testname'],
 };
 
 module.exports = config;