feat(binance): integrate BUSD for bounties and hackathons 2 (#8213)

* feat: include BUSD case in bounty detail

* process BUSD token transfer

* refactor utils + token balance checks

- add util to get token balance

- enforce sufficient balance for transfer

* litte refactor

* use only jsonRpcRequest util

* fix: amount comparison for insufficient balance

* add util to get selected account

* use only getSelectedAccount util

* autofill funderAddress with selected account

* Remove broken CDN import

* Fix variable duplicatino

* feat: add busd to hackathon bounty

* fix: pass contract address to getAddressTokenBalance

* fix bug in binance sync tx

* remove failing import

* fix address bug

Co-authored-by: aamustapha <abdulhakeemmustapha@gmail.com>
Co-authored-by: Aditya Anand M C <aditya.anandmc@gmail.com>

Author: 3 people

app/assets/v2/js/lib/binance/utils.js

@@ -60,7 +60,7 @@ binance_utils.getAddressTokenBalance = async (address, tokenContractAddress) =>
     ['balanceOf(address)']
   );
   const method_id = methodSignature.substr(0, 10);
-  const address = address.substr(2).padStart(64, '0'); // remove 0x and pad with zeroes
+  address = address.substr(2).padStart(64, '0'); // remove 0x and pad with zeroes
 
   const params = [
     {
@@ -166,7 +166,9 @@ binance_utils.transferViaExtension = async (amount, to_address, from_address, to
 
     } else if (token_name === 'BUSD') {
 
-      const account_balance = await binance_utils.getAddressTokenBalance(from_address);
+      const busd_contract_address = '0xe9e7cea3dedca5984780bafc599bd69add087d56'
+
+      const account_balance = await binance_utils.getAddressTokenBalance(from_address, busd_contract_address);
 
       if (Number(account_balance) < amount ) {
         reject(`transferViaExtension: insufficent balance in address ${from_address}`);
@@ -185,7 +187,7 @@ binance_utils.transferViaExtension = async (amount, to_address, from_address, to
           const params = [
             {
               from: from_address,
-              to: '0xe9e7cea3dedca5984780bafc599bd69add087d56', // BUSD token contract address
+              to: busd_contract_address,
               data: method_id + to_address + amount
             },
           ]

app/assets/v2/js/pages/bounty_detail/binance_extension.js

@@ -3,7 +3,7 @@ const payWithBinanceExtension = (fulfillment_id, to_address, vm, modal) => {
   const amount = vm.fulfillment_context.amount;
   const token_name = vm.bounty.token_name;
   const from_address = vm.bounty.bounty_owner_address;
-  
+ 
   binance_utils.transferViaExtension(
     amount * 10 ** vm.decimals,
     to_address,

app/assets/v2/js/pages/hackathon_new_bounty.js

@@ -62,6 +62,11 @@ Vue.mixin({
       });
 
     },
+    getBinanceSelectedAccount: async function() {
+      let vm = this;
+
+      vm.form.funderAddress = await binance_utils.getSelectedAccount();
+    },
     getAmount: function(token) {
       let vm = this;
 

app/dashboard/sync/binance.py

@@ -34,7 +34,7 @@ def get_binance_txn_status(fulfillment):
             'Host': 'gitcoin.co'
         }
 
-        binance_response = requests.post(binance_url, json=data, headers=headers).json()
+        binance_response = requests.post(binance_url, json=data).json()
 
         result = binance_response['result']
 
@@ -43,9 +43,9 @@ def get_binance_txn_status(fulfillment):
         if result:
             tx_status = int(result.get('status'), 16) # convert hex to decimal
 
-            if tx_status == '1':
+            if tx_status == 1:
                 response = { 'status': 'done' }
-            elif tx_status == '0':
+            elif tx_status == 0:
                 response = { 'status': 'expired' }
 
     except Exception as e:

app/dashboard/templates/bounty/new_bounty.html

@@ -743,7 +743,6 @@ <h5 class="text-uppercase h3 font-weight-bold mb-0">Total</h5>
     <script src="{% static "v2/js/lib/polkadot/extension.min.js" %}"></script>
     <script src="{% static "v2/js/lib/polkadot/utils.js" %}"></script>
 
-    <script src="https://cdn.jsdelivr.net/npm/@binance-chain/javascript-sdk@4.1.1/lib/index.min.js"></script>
     <script src="{% static "v2/js/lib/binance/utils.js" %}"></script>
 
     <script>

app/dashboard/templates/dashboard/hackathon/new_bounty.html

@@ -444,7 +444,7 @@ <h1 class="text-center">Fund Prize</h1>
                 </div>
               </div>
 
-              <div class="funder-address-container" v-show="chainId !== '1'">
+              <div class="funder-address-container" v-show="chainId !== '1' && chainId !== '56'">
                 <label class="font-caption letter-spacing text-black-60" for="funderAddress">Funder Address</label>
                 <input name="funderAddress" id="funderAddress" class="form__input" type="text" placeholder="Address with which the bounty will be paid out" v-model="form.funderAddress">
                 <div class="text-danger" v-if="errors.funderAddress && !form.funderAddress">
@@ -521,6 +521,8 @@ <h5 class="text-uppercase h3 font-weight-bold mb-0">Total</h5>
     <script src="{% static "v2/js/lib/polkadot/extension.min.js" %}"></script>
     <script src="{% static "v2/js/lib/polkadot/utils.js" %}"></script>
 
+    <script src="{% static "v2/js/lib/binance/utils.js" %}"></script>
+
     <script>
       $('body').bootstrapTooltip({
         selector: '[data-toggle="tooltip"]'