cluster switch

README.md

@@ -19,7 +19,7 @@ Pre-alpha / demo only
 # Unix/macOS
 python3 -m venv .venv
 source .venv/bin/activate
-PGDATABASE=da11copy PGUSER=query_user PGPASSWORD=secret TEMPLATES_AUTO_RELOAD=True flask run --port 5050 --debug --reload
+SOLANA_CLUSTER=testnet PGDATABASE=da11copy PGUSER=query_user PGPASSWORD=secret TEMPLATES_AUTO_RELOAD=True flask run --port 5050 --debug --reload
 ```
 
 Open Firefox Browser and navigate to ...

app.py

@@ -1,10 +1,11 @@
 from flask import Flask, render_template
 from turbo_flask import Turbo
-import transaction_database
-import recent_blocks_database
 import threading
 import time
-from random import shuffle
+
+import transaction_database
+import recent_blocks_database
+import config
 
 #
 # MAIN
@@ -16,6 +17,8 @@ turbo = Turbo(app)
 app.update_thread_started = False
 
 
+config = config.get_config()
+print("SOLANA_CLUSTER", config['cluster'])
 transaction_database.run_query()
 recent_blocks_database.run_query()
 print("SELFTEST passed")
@@ -26,22 +29,24 @@ print("SELFTEST passed")
 @app.route('/dashboard')
 def dashboard():
     start_if_needed()
+    this_config = config.get_config()
     start = time.time()
     maprows = transaction_database.run_query()
     elapsed = time.time() - start
     if elapsed > .5:
         print("transaction_database.RunQuery() took", elapsed, "seconds")
-    return render_template('dashboard.html', transactions=maprows)
+    return render_template('dashboard.html', config=this_config, transactions=maprows)
 
 @app.route('/recent-blocks')
 def recent_blocks():
     start_if_needed()
+    this_config = get_config()
     start = time.time()
     maprows = recent_blocks_database.run_query()
     elapsed = time.time() - start
     if elapsed > .5:
         print("recent_blocks_database.RunQuery() took", elapsed, "seconds")
-    return render_template('recent_blocks.html', blocks=maprows)
+    return render_template('recent_blocks.html', config=this_config, blocks=maprows)
 
 
 def start_if_needed():
@@ -55,14 +60,15 @@ def start_if_needed():
 def update_load():
     with app.app_context():
         print('start turbo.js update poller')
+        this_config = app.get_config()
         while True:
             # note: the push sends update to all subscribed clients
 
             maprows = transaction_database.run_query()
-            turbo.push(turbo.replace(render_template('_table.html', transactions=maprows), 'datatable'))
+            turbo.push(turbo.replace(render_template('_table.html', config=this_config, transactions=maprows), 'datatable'))
 
             maprows = recent_blocks_database.run_query()
-            turbo.push(turbo.replace(render_template('_blockslist.html', blocks=maprows), 'blockslist'))
+            turbo.push(turbo.replace(render_template('_blockslist.html', config=this_config, blocks=maprows), 'blockslist'))
 
             time.sleep(1)
 

config.py

@@ -0,0 +1,14 @@
+from os import environ
+
+
+def get_config():
+    cluster_param = environ.get('SOLANA_CLUSTER')
+    assert cluster_param is not None, "SOLANA_CLUSTER environment variable must be set"
+    switch={
+        'mainnet':{'cluster': 'mainnet', 'cluster_label': 'Mainnet'},
+        'testnet':{'cluster': 'testnet', 'cluster_label': 'Testnet'},
+        'devnet':{'cluster': 'devnet', 'cluster_label': 'Devnet'},
+    }
+    config = switch.get(cluster_param.lower())
+    assert config is not None, f"No Config for " + cluster_param
+    return config

templates/_table.html

@@ -30,7 +30,7 @@
         <td>
             <div class="align-items-center text-truncate" style="width:300px">
                 <span class="font-monospace">
-                    <a href="https://explorer.solana.com/tx/{{ tx.signature }}">{{ tx.signature }}</a>
+                    <a href="https://explorer.solana.com/tx/{{ tx.signature }}?cluster={{config.cluster}}">{{ tx.signature }}</a>
                 </span>
             </div>
         </td>

templates/dashboard.html

@@ -22,7 +22,7 @@
         <div class="container mt-n2">
             <div class="card">
 
-                <div class="card-header align-items-center"><h3 class="card-header-title">Transactions Errors</h3>
+                <div class="card-header align-items-center"><h3 class="card-header-title">Transactions Errors ({{config.cluster_label}})</h3>
                 </div>
                 <div class="table-responsive mb-0">
 

templates/recent_blocks.html

@@ -22,7 +22,7 @@
         <div class="container mt-n2">
             <div class="card">
 
-                <div class="card-header align-items-center"><h3 class="card-header-title">Recent Blocks</h3>
+                <div class="card-header align-items-center"><h3 class="card-header-title">Recent Blocks ({{config.cluster_label}})</h3>
                 </div>
                 <!-- mb-0 = margin+padding bottom -->
                 <div class="card-body mb-0 table-responsive">