From c3ee6e7a1499c6a4e049808981c0f50e51b32552 Mon Sep 17 00:00:00 2001
From: Daniel <wi20b014@technikum-wien.at>
Date: Sat, 5 Nov 2022 13:10:21 +0100
Subject: [PATCH] Update Exchange.js

---
 packages/react-app/src/components/Exchange.js | 76 ++++++++++++++++++-
 1 file changed, 74 insertions(+), 2 deletions(-)

diff --git a/packages/react-app/src/components/Exchange.js b/packages/react-app/src/components/Exchange.js
index 07da0ba..7c5c4f7 100644
--- a/packages/react-app/src/components/Exchange.js
+++ b/packages/react-app/src/components/Exchange.js
@@ -5,12 +5,84 @@ import { ERC20, useContractFunction, useEthers, useTokenAllowance, useTokenBalan
 import { ethers } from "ethers";
 import { parseUnits } from "ethers/lib/utils";
 
+import  { getAvailableTokens, getCounterpartTokens, findPoolByTokens, isOperationPending, getFailureMessage, getSuccessMessage } from '../utils';
 import { ROUTER_ADDRESS } from "../config";
+import AmountIn from "./";
+import AmountOut from "./";
+import Balance from "./";
+import styles from "../styles";
 
 const Exchange = ({ pools }) => {
+    const isApproving = isOperationPending(swapApproveState);
+    const isSwapping = isOperationPending(swapExecuteState);
+
+    const successMessage = getSuccessMessage(swapApproveState, swapExecuteState);
+    const failureMessage = getFailureMessage(swapApproveState, swapExecuteState);
+
     return (
-        <div>Exchange</div>
-    )
+        <div className="flex flex-col w-full items-center">
+            <div className="mb-8">
+                <AmountIn
+                    value={fromValue}
+                    onChange={onFromValueChange}
+                    currencyValue={fromToken}
+                    onSelect={onFromTokenChange}
+                    currencies={availableTokens}
+                    isSwapping={isSwapping && hasEnoughBalance}
+                />
+                <Balance tokenBalance={fromTokenBalance} />
+            </div>
+
+            <div className="mb-8 w-[100%]">
+                <AmountOut
+                    fromToken={fromToken}
+                    toToken={toToken}
+                    amountIn={fromValueBigNumber}
+                    pairContract={pairAddress}
+                    currencyValue={toToken}
+                    onSelect={onToTokenChange}
+                    currencies={counterpartTokens}
+                />
+                <Balance tokenBalance={toTokenBalance} />
+            </div>
+
+            {approvedNeeded && !isSwapping ? (
+                <button
+                    disabled={!canApprove}
+                    onClick={onApproveRequested}
+                    className={`${
+                        canApprove
+                            ? "bg-site-pink text-white"
+                            : "bg-site-dim2 text-site-dim2"
+                    } ${styles.actionButton}`}
+                >
+                    {isApproving ? "Approving..." : "Approve"}
+                </button>
+            ) : (
+                <button
+                    disabled={!canSwap}
+                    onClick={onSwapRequested}
+                    className={`${
+                        canSwap ? "bg-site-pink text-white" : "bg-site-dim2 text-site-dim2"
+                    } ${styles.actionButton}`}
+                >
+                    {isSwapping
+                        ? "Swapping..."
+                        : hasEnoughBalance
+                            ? "Swap"
+                            : "Insufficient balance"}
+                </button>
+            )}
+
+            {failureMessage && !resetState ? (
+                <p className={styles.message}>{failureMessage}</p>
+            ) : successMessage ? (
+                <p className={styles.message}>{successMessage}</p>
+            ) : (
+                ""
+            )}
+        </div>
+    );
 }
 
 export default Exchange;
\ No newline at end of file