Plotting MTP vs Timestamp Over 10000 Blocks.

mtp_run_plot.py

import requests
import csv
from datetime import datetime
import time
import matplotlib.pyplot as plt
import pandas as pd

# Bitcoin node RPC connection details
rpc_user = 'your_rpc_username'
rpc_password = 'your_rpc_password'
rpc_url = 'http://localhost:8332'

def rpc_call(method, params=[]):
    headers = {'content-type': 'application/json'}
    payload = {
        "jsonrpc": "1.0",
        "id": "curltest",
        "method": method,
        "params": params
    }
    response = requests.post(rpc_url, json=payload, headers=headers, auth=(rpc_user, rpc_password))
    return response.json()['result']

def get_and_write_block_data(start_height, end_height, filename):
    with open(filename, 'w', newline='') as csvfile:
        writer = csv.writer(csvfile)
        writer.writerow(['height', 'block_timestamp', 'mediantime'])
        
        for height in range(start_height, end_height + 1):
            block_hash = rpc_call('getblockhash', [height])
            block = rpc_call('getblock', [block_hash])
            
            writer.writerow([height, block['time'], block['mediantime']])
            
            if height % 100 == 0:
                print(f"Processed block {height}")

def plot_data(csv_filename):
    df = pd.read_csv(csv_filename)
    
    df['block_timestamp'] = pd.to_datetime(df['block_timestamp'], unit='s')
    df['mediantime'] = pd.to_datetime(df['mediantime'], unit='s')
    
    fig, (ax1, ax2) = plt.subplots(2, 1, figsize=(12, 10), sharex=True)
    
    ax1.plot(df['height'], df['block_timestamp'])
    ax1.set_title('Block Timestamp Over Height')
    ax1.set_ylabel('Block Timestamp')
    ax1.grid(True)
    
    ax2.plot(df['height'], df['mediantime'])
    ax2.set_title('MTP Value Over Height')
    ax2.set_xlabel('Block Height')
    ax2.set_ylabel('MTP Value')
    ax2.grid(True)
    
    plt.tight_layout()
    plt.savefig('bitcoin_timestamps_and_mtp.png')
    plt.close()
    
    print("Plot saved as 'bitcoin_timestamps_and_mtp.png'")

def main():
    current_height = rpc_call('getblockcount')
    start_height = max(0, current_height - 10000)
    
    filename = f'bitcoin_data_{int(time.time())}.csv'
    
    get_and_write_block_data(start_height, current_height, filename)
    print(f"Data saved to {filename}")
    
    plot_data(filename)

if __name__ == "__main__":
    main()