needs def_credentials from https://github.com/KMDLabs/pos64staker/blob/master/stakerlib.py

NN.py

#!/usr/bin/env python3
import stakerlib
import pdb
import time
import json
import plotly.graph_objects as go
from datetime import datetime

chain = 'DEX'
rpc = stakerlib.def_credentials(chain)

all_ntz = {}
count_ntz = []

start_hours = int(input('Amount of prev hours:'))
now = time.time()
top_of_hour = now-(now%3600)
start_time = int(top_of_hour - start_hours*3600)

blocks = rpc.getblockcount()

addresses = []

# might be more efficient to scrap RXL... txids depending on chain
while start_time < now:
    ntz = rpc.scanNotarisationsDB(str(blocks), chain)
    if ntz and ntz not in count_ntz:
        count_ntz.append(ntz)
        tx = rpc.getrawtransaction(ntz['hash'], 2)
        signers = {}
        for vin in tx['vin']:
            signers[vin['address']] = 1
            if vin['address'] not in addresses:
                addresses.append(vin['address'])

        hour = datetime.utcfromtimestamp(tx['time'] - (tx['time']%3600)).strftime('%Y-%m-%d %H:%M:%S')
        now = tx['time']

        if hour in all_ntz:
            for i in signers:
                if i in all_ntz[hour]:
                    all_ntz[hour][i] += 1
                else:
                    all_ntz[hour][i] = 1
        else:
            all_ntz[hour] = signers
    blocks -= 1


x_hours = []

for i in all_ntz:
    x_hours.append(i)

hours = {}
for addr in addresses:
    hours[addr] = [0]*len(x_hours)
    count = 0
    for i in all_ntz:
        if addr in all_ntz[i]:
            hours[addr][count] = all_ntz[i][addr]
        count += 1

bars = []
for addr in addresses:
    bars.append(go.Bar(name=addr, x=x_hours, y=hours[addr]))

fig = go.Figure(data=bars)

fig.update_layout(barmode='stack')
fig.write_html("/path/to/output.html")