Merge pull request #1297 from MetaMask/eip155

tx-manager - add eip155 support

4 files changed, 83 insertions, 35 deletions

diff --git a/app/scripts/transaction-manager.js b/app/scripts/transaction-manager.js
index a70159680..d7051b2cb 100644
--- a/app/scripts/transaction-manager.js
+++ b/app/scripts/transaction-manager.js
@@ -205,11 +205,23 @@ module.exports = class TransactionManager extends EventEmitter {
     })
   }
 
+  getChainId() {
+    const networkState = this.networkStore.getState()
+    const getChainId = parseInt(networkState.network)
+    if (Number.isNaN(getChainId)) {
+      return 0
+    } else {
+      return getChainId
+    }
+  }
+
   signTransaction (txId, cb) {
-    let txMeta = this.getTx(txId)
-    let txParams = txMeta.txParams
-    let fromAddress = txParams.from
-    let ethTx = this.txProviderUtils.buildEthTxFromParams(txParams)
+    const txMeta = this.getTx(txId)
+    const txParams = txMeta.txParams
+    const fromAddress = txParams.from
+    // add network/chain id
+    txParams.chainId = this.getChainId()
+    const ethTx = this.txProviderUtils.buildEthTxFromParams(txParams)
     this.signEthTx(ethTx, fromAddress).then(() => {
       this.setTxStatusSigned(txMeta.id)
       cb(null, ethUtil.bufferToHex(ethTx.serialize()))
diff --git a/package.json b/package.json
index 7dfe21f24..9b83ca317 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "eth-query": "^1.0.3",
     "eth-sig-util": "^1.1.1",
     "eth-simple-keyring": "^1.1.1",
-    "ethereumjs-tx": "^1.0.0",
+    "ethereumjs-tx": "^1.2.5",
     "ethereumjs-util": "ethereumjs/ethereumjs-util#ac5d0908536b447083ea422b435da27f26615de9",
     "ethereumjs-wallet": "^0.6.0",
     "ethjs-ens": "^1.0.2",
diff --git a/test/unit/tx-manager-test.js b/test/unit/tx-manager-test.js
index d4bffdd9b..21e94357b 100644
--- a/test/unit/tx-manager-test.js
+++ b/test/unit/tx-manager-test.js
@@ -1,19 +1,28 @@
 const assert = require('assert')
 const extend = require('xtend')
 const EventEmitter = require('events')
+const ethUtil = require('ethereumjs-util')
+const EthTx = require('ethereumjs-tx')
 const ObservableStore = require('obs-store')
 const STORAGE_KEY = 'metamask-persistance-key'
 const TransactionManager = require('../../app/scripts/transaction-manager')
 const noop = () => true
+const currentNetworkId = 42
+const otherNetworkId = 36
+const privKey = new Buffer('8718b9618a37d1fc78c436511fc6df3c8258d3250635bba617f33003270ec03e', 'hex')
 
 describe('Transaction Manager', function() {
   let txManager
 
   beforeEach(function() {
     txManager = new TransactionManager({
-      networkStore: new ObservableStore({ network: 'unit test' }),
+      networkStore: new ObservableStore({ network: currentNetworkId }),
       txHistoryLimit: 10,
       blockTracker: new EventEmitter(),
+      signTransaction: (ethTx) => new Promise((resolve) => {
+        ethTx.sign(privKey)
+        resolve()
+      })
     })
   })
 
@@ -27,7 +36,6 @@ describe('Transaction Manager', function() {
       })
     })
 
-
     it('returns error for negative values', function() {
       var sample = {
         value: '-0x01'
@@ -51,7 +59,7 @@ describe('Transaction Manager', function() {
 
   describe('#addTx', function() {
     it('adds a tx returned in getTxList', function() {
-      var tx = { id: 1, status: 'confirmed', metamaskNetworkId: 'unit test', txParams: {} }
+      var tx = { id: 1, status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} }
       txManager.addTx(tx, noop)
       var result = txManager.getTxList()
       assert.ok(Array.isArray(result))
@@ -60,8 +68,8 @@ describe('Transaction Manager', function() {
     })
 
     it('does not override txs from other networks', function() {
-      var tx = { id: 1, status: 'confirmed', metamaskNetworkId: 'unit test', txParams: {} }
-      var tx2 = { id: 2, status: 'confirmed', metamaskNetworkId: 'another net', txParams: {} }
+      var tx = { id: 1, status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} }
+      var tx2 = { id: 2, status: 'confirmed', metamaskNetworkId: otherNetworkId, txParams: {} }
       txManager.addTx(tx, noop)
       txManager.addTx(tx2, noop)
       var result = txManager.getFullTxList()
@@ -73,7 +81,7 @@ describe('Transaction Manager', function() {
     it('cuts off early txs beyond a limit', function() {
       const limit = txManager.txHistoryLimit
       for (let i = 0; i < limit + 1; i++) {
-        let tx = { id: i, time: new Date(), status: 'confirmed', metamaskNetworkId: 'unit test', txParams: {} }
+        let tx = { id: i, time: new Date(), status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} }
         txManager.addTx(tx, noop)
       }
       var result = txManager.getTxList()
@@ -84,7 +92,7 @@ describe('Transaction Manager', function() {
     it('cuts off early txs beyond a limit whether or not it is confirmed or rejected', function() {
       const limit = txManager.txHistoryLimit
       for (let i = 0; i < limit + 1; i++) {
-        let tx = { id: i, time: new Date(), status: 'rejected', metamaskNetworkId: 'unit test', txParams: {} }
+        let tx = { id: i, time: new Date(), status: 'rejected', metamaskNetworkId: currentNetworkId, txParams: {} }
         txManager.addTx(tx, noop)
       }
       var result = txManager.getTxList()
@@ -93,11 +101,11 @@ describe('Transaction Manager', function() {
     })
 
     it('cuts off early txs beyond a limit but does not cut unapproved txs', function() {
-      var unconfirmedTx = { id: 0, time: new Date(), status: 'unapproved', metamaskNetworkId: 'unit test', txParams: {} }
+      var unconfirmedTx = { id: 0, time: new Date(), status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }
       txManager.addTx(unconfirmedTx, noop)
       const limit = txManager.txHistoryLimit
       for (let i = 1; i < limit + 1; i++) {
-        let tx = { id: i, time: new Date(), status: 'confirmed', metamaskNetworkId: 'unit test', txParams: {} }
+        let tx = { id: i, time: new Date(), status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} }
         txManager.addTx(tx, noop)
       }
       var result = txManager.getTxList()
@@ -110,7 +118,7 @@ describe('Transaction Manager', function() {
 
   describe('#setTxStatusSigned', function() {
     it('sets the tx status to signed', function() {
-      var tx = { id: 1, status: 'unapproved', metamaskNetworkId: 'unit test', txParams: {} }
+      var tx = { id: 1, status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }
       txManager.addTx(tx, noop)
       txManager.setTxStatusSigned(1)
       var result = txManager.getTxList()
@@ -121,7 +129,7 @@ describe('Transaction Manager', function() {
 
     it('should emit a signed event to signal the exciton of callback', (done) => {
       this.timeout(10000)
-      var tx = { id: 1, status: 'unapproved', metamaskNetworkId: 'unit test', txParams: {} }
+      var tx = { id: 1, status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }
       let noop = function () {
         assert(true, 'event listener has been triggered and noop executed')
         done()
@@ -134,7 +142,7 @@ describe('Transaction Manager', function() {
 
   describe('#setTxStatusRejected', function() {
     it('sets the tx status to rejected', function() {
-      var tx = { id: 1, status: 'unapproved', metamaskNetworkId: 'unit test', txParams: {} }
+      var tx = { id: 1, status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }
       txManager.addTx(tx)
       txManager.setTxStatusRejected(1)
       var result = txManager.getTxList()
@@ -145,7 +153,7 @@ describe('Transaction Manager', function() {
 
     it('should emit a rejected event to signal the exciton of callback', (done) => {
       this.timeout(10000)
-      var tx = { id: 1, status: 'unapproved', metamaskNetworkId: 'unit test', txParams: {} }
+      var tx = { id: 1, status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }
       txManager.addTx(tx)
       let noop = function (err, txId) {
         assert(true, 'event listener has been triggered and noop executed')
@@ -159,9 +167,9 @@ describe('Transaction Manager', function() {
 
   describe('#updateTx', function() {
     it('replaces the tx with the same id', function() {
-      txManager.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: 'unit test', txParams: {} }, noop)
-      txManager.addTx({ id: '2', status: 'confirmed', metamaskNetworkId: 'unit test', txParams: {} }, noop)
-      txManager.updateTx({ id: '1', status: 'blah', hash: 'foo', metamaskNetworkId: 'unit test', txParams: {} })
+      txManager.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }, noop)
+      txManager.addTx({ id: '2', status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} }, noop)
+      txManager.updateTx({ id: '1', status: 'blah', hash: 'foo', metamaskNetworkId: currentNetworkId, txParams: {} })
       var result = txManager.getTx('1')
       assert.equal(result.hash, 'foo')
     })
@@ -169,8 +177,8 @@ describe('Transaction Manager', function() {
 
   describe('#getUnapprovedTxList', function() {
     it('returns unapproved txs in a hash', function() {
-      txManager.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: 'unit test', txParams: {} }, noop)
-      txManager.addTx({ id: '2', status: 'confirmed', metamaskNetworkId: 'unit test', txParams: {} }, noop)
+      txManager.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }, noop)
+      txManager.addTx({ id: '2', status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} }, noop)
       let result = txManager.getUnapprovedTxList()
       assert.equal(typeof result, 'object')
       assert.equal(result['1'].status, 'unapproved')
@@ -180,8 +188,8 @@ describe('Transaction Manager', function() {
 
   describe('#getTx', function() {
     it('returns a tx with the requested id', function() {
-      txManager.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: 'unit test', txParams: {} }, noop)
-      txManager.addTx({ id: '2', status: 'confirmed', metamaskNetworkId: 'unit test', txParams: {} }, noop)
+      txManager.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }, noop)
+      txManager.addTx({ id: '2', status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} }, noop)
       assert.equal(txManager.getTx('1').status, 'unapproved')
       assert.equal(txManager.getTx('2').status, 'confirmed')
     })
@@ -190,16 +198,16 @@ describe('Transaction Manager', function() {
   describe('#getFilteredTxList', function() {
     it('returns a tx with the requested data', function() {
       let txMetas = [
-        { id: 0, status: 'unapproved', txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: 'unit test' },
-        { id: 1, status: 'unapproved', txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: 'unit test' },
-        { id: 2, status: 'unapproved', txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: 'unit test' },
-        { id: 3, status: 'unapproved', txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: 'unit test' },
-        { id: 4, status: 'unapproved', txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: 'unit test' },
-        { id: 5, status: 'confirmed',  txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: 'unit test' },
-        { id: 6, status: 'confirmed',  txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: 'unit test' },
-        { id: 7, status: 'confirmed',  txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: 'unit test' },
-        { id: 8, status: 'confirmed',  txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: 'unit test' },
-        { id: 9, status: 'confirmed',  txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: 'unit test' },
+        { id: 0, status: 'unapproved', txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: currentNetworkId },
+        { id: 1, status: 'unapproved', txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: currentNetworkId },
+        { id: 2, status: 'unapproved', txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: currentNetworkId },
+        { id: 3, status: 'unapproved', txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: currentNetworkId },
+        { id: 4, status: 'unapproved', txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: currentNetworkId },
+        { id: 5, status: 'confirmed',  txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: currentNetworkId },
+        { id: 6, status: 'confirmed',  txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: currentNetworkId },
+        { id: 7, status: 'confirmed',  txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: currentNetworkId },
+        { id: 8, status: 'confirmed',  txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: currentNetworkId },
+        { id: 9, status: 'confirmed',  txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: currentNetworkId },
       ]
       txMetas.forEach((txMeta) => txManager.addTx(txMeta, noop))
       let filterParams
@@ -219,4 +227,15 @@ describe('Transaction Manager', function() {
     })
   })
 
+  describe('#sign replay-protected tx', function() {
+    it('prepares a tx with the chainId set', function() {
+      txManager.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }, noop)
+      txManager.signTransaction('1', (err, rawTx) => {
+        if (err) return assert.fail('it should not fail')
+        const ethTx = new EthTx(ethUtil.toBuffer(rawTx))
+        assert.equal(ethTx.getChainId(), currentNetworkId)
+      })
+    })
+  })
+
 })
diff --git a/test/unit/tx-utils-test.js b/test/unit/tx-utils-test.js
index 8b4d2f059..93e9e4134 100644
--- a/test/unit/tx-utils-test.js
+++ b/test/unit/tx-utils-test.js
@@ -12,6 +12,23 @@ describe('txUtils', function() {
     txUtils = new TxUtils()
   })
 
+  describe('chain Id', function() {
+    it('prepares a transaction with the provided chainId', function() {
+      const txParams = {
+        to: '0x70ad465e0bab6504002ad58c744ed89c7da38524',
+        from: '0x69ad465e0bab6504002ad58c744ed89c7da38525',
+        value: '0x0',
+        gas: '0x7b0c',
+        gasPrice: '0x199c82cc00',
+        data: '0x',
+        nonce: '0x3',
+        chainId: 42,
+      }
+      const ethTx = txUtils.buildEthTxFromParams(txParams)
+      assert.equal(ethTx.getChainId(), 42, 'chainId is set from tx params')
+    })
+  })
+
   describe('addGasBuffer', function() {
     it('multiplies by 1.5, when within block gas limit', function() {
       // naive estimatedGas: 0x16e360 (1.5 mil)