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3
.gitignore
vendored
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3
.gitignore
vendored
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.env
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venv/
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/venv/
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17
Dockerfile
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17
Dockerfile
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FROM python:3.11-slim
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WORKDIR /app
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# System-Abhängigkeiten installieren (bitcoinlib braucht oft gcc)
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RUN apt-get update && apt-get install -y gcc && rm -rf /var/lib/apt/lists/*
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COPY requirements.txt .
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RUN pip install --no-cache-dir -r requirements.txt
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# Kopiert den Code UND die .env-Datei in den Container
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COPY . .
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# Teilt Docker mit, dass dieser Container auf Port 5000 lauscht
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EXPOSE 5001
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CMD ["python", "main.py"]
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15
docker-compose.yml
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15
docker-compose.yml
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version: '3.8'
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services:
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bitcoin-api:
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build: .
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container_name: btc_api_service
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ports:
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- "5001:5001" # Mappt den Port 5000 deines PCs auf Port 5000 im Container
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environment:
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- PYTHONUNBUFFERED=1
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# Hier kannst du Variablen setzen, die deine main.py ausliest
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# - BTC_NODE_URL=http://user:pass@192.168.1.x:8332
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volumes:
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- .:/app
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restart: always
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119
main.py
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119
main.py
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import os
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from flask import Flask, jsonify, request
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from bitcoinlib.services.bitcoind import BitcoindClient
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from dotenv import load_dotenv
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# Lade die Variablen aus der .env-Datei in die Umgebung
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load_dotenv()
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app = Flask(__name__)
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# --- ZUGANGSDATEN AUS UMGEBUNGSVARIABLEN LADEN ---
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# os.getenv sucht nach dem Namen und liest den Wert aus
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RPC_USER = os.getenv('RPC_USER')
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RPC_PASS = os.getenv('RPC_PASS')
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# Da das Skript IN der Windows-VM läuft, ist der Node lokal erreichbar:
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IP_ADRESSE = '192.168.178.225'
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# Sicherheits-Check: Falls die .env fehlt oder leer ist, bricht das Skript ab
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if not RPC_USER or not RPC_PASS:
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raise ValueError("Fehler: RPC_USER oder RPC_PASS wurden nicht in der Umgebung gefunden!")
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rpc_url = f'http://{RPC_USER}:{RPC_PASS}@{IP_ADRESSE}:8332'
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def get_node():
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return BitcoindClient(network='bitcoin', base_url=rpc_url).proxy
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# ==========================================
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# ENDPUNKT 1: Aktuelle Blockhöhe abfragen
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# ==========================================
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@app.route('/api/blockhoehe', methods=['GET'])
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def get_blockhoehe():
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try:
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node = get_node()
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info = node.getblockchaininfo()
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return jsonify({
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'status': 'success',
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'blockhoehe': info['blocks'],
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'sync_fortschritt_prozent': round(info.get('verificationprogress', 0) * 100, 2)
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})
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except Exception as e:
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return jsonify({'status': 'error', 'message': str(e)}), 500
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# ==========================================
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# ENDPUNKT 2: Bestimmten Block abfragen
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# ==========================================
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@app.route('/api/block/<int:hoehe>', methods=['GET'])
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def get_block(hoehe):
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try:
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node = get_node()
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block_hash = node.getblockhash(hoehe)
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block_daten = node.getblock(block_hash, 2)
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return jsonify({'status': 'success', 'block': block_daten})
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except Exception as e:
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return jsonify({'status': 'error', 'message': str(e)}), 500
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# ==========================================
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# ENDPUNKT 3: Einzelne Transaktion abfragen
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# ==========================================
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@app.route('/api/tx/<txid>', methods=['GET'])
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def get_tx(txid):
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try:
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node = get_node()
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tx_daten = node.getrawtransaction(txid, True)
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return jsonify({'status': 'success', 'transaction': tx_daten})
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except Exception as e:
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return jsonify({'status': 'error', 'message': str(e)}), 500
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# ==========================================
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# ENDPUNKT 4: Guthaben einer beliebigen Adresse
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# ==========================================
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@app.route('/api/guthaben/<adresse>', methods=['GET'])
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def get_guthaben(adresse):
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try:
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node = get_node()
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scan_result = node.scantxoutset("start", [f"addr({adresse})"])
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return jsonify({
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'status': 'success',
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'adresse': adresse,
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'guthaben_btc': scan_result.get('total_amount', 0),
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'anzahl_utxos': len(scan_result.get('unspents', [])),
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# NEU: Wir schicken die komplette Liste der Münzen mit!
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'utxos': scan_result.get('unspents', [])
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})
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except Exception as e:
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return jsonify({'status': 'error', 'message': str(e)}), 500
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# ==========================================
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# NEU: ENDPUNKT 5: Transaktion senden (POST)
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# ==========================================
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@app.route('/api/sendtx', methods=['POST'])
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def send_tx():
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try:
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# Wir erwarten ein JSON-Body mit dem Inhalt: {"hex": "01000000..."}
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daten = request.get_json()
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if not daten or 'hex' not in daten:
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return jsonify({'status': 'error', 'message': 'Kein gueltiger Hex-String uebergeben. Sende ein JSON mit dem Key "hex".'}), 400
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raw_tx_hex = daten['hex']
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node = get_node()
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# Sende die Transaktion an den Node, der sie ins Netzwerk broadcastet
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txid = node.sendrawtransaction(raw_tx_hex)
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return jsonify({
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'status': 'success',
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'message': 'Transaktion erfolgreich an das Netzwerk uebermittelt!',
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'txid': txid
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})
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except Exception as e:
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return jsonify({'status': 'error', 'message': str(e)}), 500
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# ==========================================
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# Server starten
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# ==========================================
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if __name__ == '__main__':
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print("🚀 API Server startet...")
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# host='0.0.0.0' bedeutet, dass die API von anderen Geräten im Heimnetzwerk erreichbar ist!
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app.run(host='0.0.0.0', port=5001)
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4
requirements.txt
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4
requirements.txt
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Flask==3.0.2
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python-dotenv==1.0.1
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bitcoinlib==0.6.15
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requests==2.31.0
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