From c27cd98b3395b6546da136a4fafbea3d148a045d Mon Sep 17 00:00:00 2001
From: Noah Zinsmeister <noahwz@gmail.com>
Date: Thu, 9 May 2019 20:48:34 -0400
Subject: [PATCH] fix 0 decimals bug

---
 src/pages/Pool/AddLiquidity.js    | 7 ++++++-
 src/pages/Pool/RemoveLiquidity.js | 7 ++++++-
 src/pages/Send/index.js           | 7 ++++++-
 src/pages/Swap/index.js           | 7 ++++++-
 4 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/src/pages/Pool/AddLiquidity.js b/src/pages/Pool/AddLiquidity.js
index 8a67cb8a87..3c9af478ce 100644
--- a/src/pages/Pool/AddLiquidity.js
+++ b/src/pages/Pool/AddLiquidity.js
@@ -86,7 +86,12 @@ function addLiquidityStateReducer(state, action) {
 
 function getExchangeRate(inputValue, inputDecimals, outputValue, outputDecimals, invert = false) {
   try {
-    if (inputValue && inputDecimals && outputValue && outputDecimals) {
+    if (
+      inputValue &&
+      (inputDecimals || inputDecimals === 0) &&
+      outputValue &&
+      (outputDecimals || outputDecimals === 0)
+    ) {
       const factor = ethers.utils.bigNumberify(10).pow(ethers.utils.bigNumberify(18))
 
       if (invert) {
diff --git a/src/pages/Pool/RemoveLiquidity.js b/src/pages/Pool/RemoveLiquidity.js
index 244ca53137..c0e3787044 100644
--- a/src/pages/Pool/RemoveLiquidity.js
+++ b/src/pages/Pool/RemoveLiquidity.js
@@ -27,7 +27,12 @@ const GAS_MARGIN = ethers.utils.bigNumberify(1000)
 
 function getExchangeRate(inputValue, inputDecimals, outputValue, outputDecimals, invert = false) {
   try {
-    if (inputValue && inputDecimals && outputValue && outputDecimals) {
+    if (
+      inputValue &&
+      (inputDecimals || inputDecimals === 0) &&
+      outputValue &&
+      (outputDecimals || outputDecimals === 0)
+    ) {
       const factor = ethers.utils.bigNumberify(10).pow(ethers.utils.bigNumberify(18))
 
       if (invert) {
diff --git a/src/pages/Send/index.js b/src/pages/Send/index.js
index d2d9096510..412bc1367f 100644
--- a/src/pages/Send/index.js
+++ b/src/pages/Send/index.js
@@ -141,7 +141,12 @@ function swapStateReducer(state, action) {
 
 function getExchangeRate(inputValue, inputDecimals, outputValue, outputDecimals, invert = false) {
   try {
-    if (inputValue && inputDecimals && outputValue && outputDecimals) {
+    if (
+      inputValue &&
+      (inputDecimals || inputDecimals === 0) &&
+      outputValue &&
+      (outputDecimals || outputDecimals === 0)
+    ) {
       const factor = ethers.utils.bigNumberify(10).pow(ethers.utils.bigNumberify(18))
 
       if (invert) {
diff --git a/src/pages/Swap/index.js b/src/pages/Swap/index.js
index 691fde4504..d5a375bd0b 100644
--- a/src/pages/Swap/index.js
+++ b/src/pages/Swap/index.js
@@ -139,7 +139,12 @@ function swapStateReducer(state, action) {
 
 function getExchangeRate(inputValue, inputDecimals, outputValue, outputDecimals, invert = false) {
   try {
-    if (inputValue && inputDecimals && outputValue && outputDecimals) {
+    if (
+      inputValue &&
+      (inputDecimals || inputDecimals === 0) &&
+      outputValue &&
+      (outputDecimals || outputDecimals === 0)
+    ) {
       const factor = ethers.utils.bigNumberify(10).pow(ethers.utils.bigNumberify(18))
 
       if (invert) {