frodo821

#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <arpa/inet.h>

frodo821

## keccak256 (sha3-256) implementation in Nim
## for further details of this process: https://keccak.team/keccak_specs_summary.html

type
    HashWords {.union.} = object
        words: array[25, uint64]
        bytes: array[200, uint8]

    HashState* = ref object
        hw: HashWords

frodo821

frodo821

frodo821

frodo821

from time import time_ns
from threading import Lock

class SnowflakeGenerator:
        def __init__(self, instance_id, epoch=-1):
            self.instance_id = (instance_id&1023)<<12
            self.epoch = (time_ns()//1000 & 2199023255551) if epoch == -1 else epoch
            self.seq = 0
            self.last_timestamp = 0
            self.lock = Lock()

frodo821

from math import radians, sin, cos
import matplotlib.pyplot as plt
import numpy as np
from dataclasses import dataclass


def length(vec: np.array):
  return vec.dot(vec) ** 0.5

frodo821

from itertools import cycle
a = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
chrs = cycle('ZABCDEFGHIJKLMNOPQRSTUVWXY')
table = {l: {a[i-1]: c for c, i in zip(chrs, range(26)) if i != 0} for l in a}

def encode(message: str, key: str) -> str:
  return ''.join(
    c if u else c.lower() for c, u in (
      (table[k.upper()].get(m.upper(), m.upper()), m.isupper()) for m, k in zip(message, cycle(key))
    )

frodo821

#define W_PASSWORD "wifi-password"	
#define W_SSID "wifi-ssid"
#define HOST "0.0.0.0"
#define PORT 80
#include <M5Stack.h>
#undef min
#include "shs_network_time.h"
#include "simplehttpserver.h"

WiFiServer server(PORT);

frodo821

from hashlib import sha256
from datetime import datetime
from json import dumps

class Block:
    def __init__(self, nonce, data, prevHash=None, difficulty=20):
        self.nonce = nonce
        self.data = data
        self.timestamp = datetime.now().timestamp()
        self.prevHash = prevHash