From e88c06939826126ffce29bb8cbd52a81165b3dd5 Mon Sep 17 00:00:00 2001
From: ryanml <ryanlanese@gmail.com>
Date: Mon, 12 Jul 2021 10:54:39 -0700
Subject: [PATCH] Converting gas params for tx metrics to decimal GWEI (#11482)

---
 app/scripts/controllers/transactions/index.js | 17 +++++++--
 .../controllers/transactions/index.test.js    | 36 ++++++++++++++++---
 2 files changed, 46 insertions(+), 7 deletions(-)

diff --git a/app/scripts/controllers/transactions/index.js b/app/scripts/controllers/transactions/index.js
index adebd4204..56ccfa286 100644
--- a/app/scripts/controllers/transactions/index.js
+++ b/app/scripts/controllers/transactions/index.js
@@ -1,6 +1,6 @@
 import EventEmitter from 'safe-event-emitter';
 import { ObservableStore } from '@metamask/obs-store';
-import { bufferToHex, keccak, toBuffer } from 'ethereumjs-util';
+import { bufferToHex, keccak, toBuffer, isHexString } from 'ethereumjs-util';
 import EthQuery from 'ethjs-query';
 import { ethErrors } from 'eth-rpc-errors';
 import abi from 'human-standard-token-abi';
@@ -20,6 +20,7 @@ import {
 } from '../../lib/util';
 import { TRANSACTION_NO_CONTRACT_ERROR_KEY } from '../../../../ui/helpers/constants/error-keys';
 import { getSwapsTokensReceivedFromTxMeta } from '../../../../ui/pages/swaps/swaps.util';
+import { hexWEIToDecGWEI } from '../../../../ui/helpers/utils/conversions.util';
 import {
   TRANSACTION_STATUSES,
   TRANSACTION_TYPES,
@@ -1232,6 +1233,8 @@ export default class TransactionController extends EventEmitter {
       gasParams.gas_price = gasPrice;
     }
 
+    const gasParamsInGwei = this._getGasValuesInGWEI(gasParams);
+
     this._trackMetaMetricsEvent({
       event,
       category: 'Transactions',
@@ -1247,7 +1250,7 @@ export default class TransactionController extends EventEmitter {
           : 'legacy',
         first_seen: time,
         gas_limit: gasLimit,
-        ...gasParams,
+        ...gasParamsInGwei,
         ...extraParams,
       },
     });
@@ -1257,6 +1260,16 @@ export default class TransactionController extends EventEmitter {
     return Math.round((Date.now() - submittedTime) / 1000).toString();
   }
 
+  _getGasValuesInGWEI(gasParams) {
+    const gasValuesInGwei = {};
+    for (const param in gasParams) {
+      if (isHexString(gasParams[param])) {
+        gasValuesInGwei[param] = hexWEIToDecGWEI(gasParams[param]);
+      }
+    }
+    return gasValuesInGwei;
+  }
+
   _failTransaction(txId, error) {
     this.txStateManager.setTxStatusFailed(txId, error);
     const txMeta = this.txStateManager.getTransaction(txId);
diff --git a/app/scripts/controllers/transactions/index.test.js b/app/scripts/controllers/transactions/index.test.js
index 2f4c96f19..b04132850 100644
--- a/app/scripts/controllers/transactions/index.test.js
+++ b/app/scripts/controllers/transactions/index.test.js
@@ -1219,7 +1219,7 @@ describe('Transaction Controller', function () {
         category: 'Transactions',
         sensitiveProperties: {
           chain_id: '0x2a',
-          gas_price: '0x77359400',
+          gas_price: '2',
           gas_limit: '0x7b0d',
           first_seen: 1624408066355,
           transaction_envelope_type: 'legacy',
@@ -1264,7 +1264,7 @@ describe('Transaction Controller', function () {
         category: 'Transactions',
         sensitiveProperties: {
           chain_id: '0x2a',
-          gas_price: '0x77359400',
+          gas_price: '2',
           gas_limit: '0x7b0d',
           first_seen: 1624408066355,
           transaction_envelope_type: 'legacy',
@@ -1311,7 +1311,7 @@ describe('Transaction Controller', function () {
           baz: 3.0,
           foo: 'bar',
           chain_id: '0x2a',
-          gas_price: '0x77359400',
+          gas_price: '2',
           gas_limit: '0x7b0d',
           first_seen: 1624408066355,
           transaction_envelope_type: 'legacy',
@@ -1363,8 +1363,8 @@ describe('Transaction Controller', function () {
           baz: 3.0,
           foo: 'bar',
           chain_id: '0x2a',
-          max_fee_per_gas: '0x77359400',
-          max_priority_fee_per_gas: '0x77359400',
+          max_fee_per_gas: '2',
+          max_priority_fee_per_gas: '2',
           gas_limit: '0x7b0d',
           first_seen: 1624408066355,
           transaction_envelope_type: 'fee-market',
@@ -1415,4 +1415,30 @@ describe('Transaction Controller', function () {
       assert.equal(result, '21');
     });
   });
+
+  describe('#_getGasValuesInGWEI', function () {
+    it('converts gas values in hex GWEi to dec GWEI (EIP-1559)', function () {
+      const params = {
+        max_fee_per_gas: '0x77359400',
+        max_priority_fee_per_gas: '0x77359400',
+      };
+      const expectedParams = {
+        max_fee_per_gas: '2',
+        max_priority_fee_per_gas: '2',
+      };
+      const result = txController._getGasValuesInGWEI(params);
+      assert.deepEqual(result, expectedParams);
+    });
+
+    it('converts gas values in hex GWEi to dec GWEI (non EIP-1559)', function () {
+      const params = {
+        gas_price: '0x37e11d600',
+      };
+      const expectedParams = {
+        gas_price: '15',
+      };
+      const result = txController._getGasValuesInGWEI(params);
+      assert.deepEqual(result, expectedParams);
+    });
+  });
 });