implement withdraw profit crontab task

.env

@@ -39,14 +39,23 @@ APP_KEVACOIN_PORT=9992
 APP_KEVACOIN_USERNAME=EDIT_ME
 APP_KEVACOIN_PASSWORD=EDIT_ME
 
-# Share with other some mining pool to get coins
+# KevaCoin address to withdraw instance profit (empty to disable)
+APP_KEVACOIN_WITHDRAW_PROFIT_ADDRESS=
+
+# Keep at least n KVA on balance (for app transactions)
+APP_KEVACOIN_WITHDRAW_BALANCE_MIN_KVA=1
+
+# Withdraw funds starting from (do not keep amount greater this value)
+APP_KEVACOIN_WITHDRAW_BALANCE_MAX_KVA=10
+
+# Share with other some mining pool to get free coins
 APP_KEVACOIN_MINE_POOL_URL=https://miningpoolstats.stream/kevacoin
 APP_KEVACOIN_MINE_SOLO_URL=https://kevacoin.org/tutorial_solo_mining.html
 
 # Explorer URL
 APP_KEVACOIN_EXPLORER_URL=https://keva.one/explorer/address/
 
-# Address to receive kevacoin powers (make others able to fill node balance)
+# Address to receive kevacoin donations (make others able to fill node balance)
 APP_KEVACOIN_BOOST_ADDRESS=EDIT_ME
 
 # Pinned room namespaces, separated with |

README.md

@@ -40,7 +40,8 @@ All messages related to their room `namespace`.
 * `cd webapp`
 * `composer update`
 * `php bin/console doctrine:schema:update --force`
-* `* * * * * /usr/bin/wget -q --spider http://../crontab/pool > /dev/null 2>&1`
+* `* * * * * /usr/bin/wget -q --spider http://../crontab/pool > /dev/null 2>&1` - process transactions pool
+* `0 0 * * * /usr/bin/wget -q --spider http://../crontab/withdraw > /dev/null 2>&1` - withdraw node profit
 
 ## Update
 

composer.json

@@ -14,7 +14,7 @@
         "doctrine/doctrine-migrations-bundle": "^3.3",
         "doctrine/orm": "^3.0",
         "jdenticon/jdenticon": "^1.0",
-        "kevachat/kevacoin": "^1.7",
+        "kevachat/kevacoin": "dev-main",
         "league/commonmark": "^2.4",
         "symfony/console": "7.0.*",
         "symfony/dotenv": "7.0.*",

config/services.yaml

@@ -15,6 +15,9 @@ parameters:
     app.kevacoin.port: '%env(APP_KEVACOIN_PORT)%'
     app.kevacoin.username: '%env(APP_KEVACOIN_USERNAME)%'
     app.kevacoin.password: '%env(APP_KEVACOIN_PASSWORD)%'
+    app.kevacoin.withdraw.profit.address: '%env(APP_KEVACOIN_WITHDRAW_PROFIT_ADDRESS)%'
+    app.kevacoin.withdraw.balance.min.kva: '%env(APP_KEVACOIN_WITHDRAW_BALANCE_MIN_KVA)%'
+    app.kevacoin.withdraw.balance.max.kva: '%env(APP_KEVACOIN_WITHDRAW_BALANCE_MAX_KVA)%'
     app.kevacoin.room.namespaces.pinned: '%env(APP_KEVACOIN_ROOM_NAMESPACES_PINNED)%'
     app.kevacoin.room.namespaces.readonly: '%env(APP_KEVACOIN_ROOM_NAMESPACES_READONLY)%'
     app.kevacoin.room.namespace.default: '%env(APP_KEVACOIN_ROOM_NAMESPACE_DEFAULT)%'

src/Controller/CrontabController.php

@@ -138,4 +138,45 @@ class CrontabController extends AbstractController
 
         return new Response(); // @TODO
     }
+
+    #[Route(
+        '/crontab/withdraw',
+        name: 'crontab_withdraw',
+        methods:
+        [
+            'GET'
+        ]
+    )]
+    public function withdraw(): Response
+    {
+        // Connect kevacoin
+        $client = new \Kevachat\Kevacoin\Client(
+            $this->getParameter('app.kevacoin.protocol'),
+            $this->getParameter('app.kevacoin.host'),
+            $this->getParameter('app.kevacoin.port'),
+            $this->getParameter('app.kevacoin.username'),
+            $this->getParameter('app.kevacoin.password')
+        );
+
+        // Withdraw profit
+        if ($this->getParameter('app.kevacoin.withdraw.profit.address'))
+        {
+            if ($balance = $client->getBalance())
+            {
+                if ($balance - $this->getParameter('app.kevacoin.withdraw.balance.min.kva') >= $this->getParameter('app.kevacoin.withdraw.balance.max.kva'))
+                {
+                    $client->sendToAddress(
+                        $this->getParameter('app.kevacoin.withdraw.profit.address'),
+                        round(
+                            $balance - $this->getParameter('app.kevacoin.withdraw.balance.min.kva'),
+                            8
+                        ),
+                        'crontab/withdraw'
+                    );
+                }
+            }
+        }
+
+        return new Response(); // @TODO
+    }
 }