Normalize token decimals before calculating exchange rate (#129)

src/pages/Pool/AddLiquidity.js

@@ -258,10 +258,10 @@ class AddLiquidity extends Component {
       return;
     }
 
-    const { value: tokenValue } = selectors().getBalance(fromToken[token], token);
+    const { value: tokenValue, decimals } = selectors().getBalance(fromToken[token], token);
     const { value: ethValue } = selectors().getBalance(fromToken[token], eth);
 
-    return tokenValue.dividedBy(ethValue);
+    return tokenValue.multipliedBy(10 ** (18 - decimals)).dividedBy(ethValue);
   }
 
   validate() {
@@ -368,7 +368,7 @@ class AddLiquidity extends Component {
       <div className="pool__summary-panel">
         <div className="pool__exchange-rate-wrapper">
           <span className="pool__exchange-rate">Exchange Rate</span>
-          <span>{`1 ETH = ${tokenValue.dividedBy(ethValue).toFixed(4)} ${label}`}</span>
+          <span>{`1 ETH = ${tokenValue.multipliedBy(10 ** (18 - decimals)).dividedBy(ethValue).toFixed(4)} ${label}`}</span>
         </div>
         <div className="pool__exchange-rate-wrapper">
           <span className="swap__exchange-rate">Current Pool Size</span>