grrrrreee

import hashlib
import json

from time import time
from uuid import uuid4

from flask import Flask, jsonify, request

...

grrrrreee

import hashlib
import json
from textwrap import dedent
from time import time
from uuid import uuid4

from flask import Flask, jsonify, request

...

grrrrreee

import hashlib
import json
from textwrap import dedent
from time import time
from uuid import uuid4

from flask import Flask


class Blockchain(object):

grrrrreee

import hashlib
import json

from time import time
from uuid import uuid4


class Blockchain(object):
    ...
        

grrrrreee

from hashlib import sha256
x = 5
y = 0  
while sha256(f'{x*y}'.encode()).hexdigest()[-1] != "0":
    y += 1
print(f'The solution is y = {y}')

grrrrreee

import hashlib
impot json
from time import time

class Blockchain(object):
  def __init__(self):
    self.current_transactions = []
    self.chain = []
    
    # 새로운 제네시스 블록 만들기

grrrrreee

class Blockchain(object):
    ...
    
    def new_transaction(self, sender, recipient, amount):
        """
        새로운 거래는 다음으로 채굴될 블록에 포함되게 된다. 거래는 3개의 인자로 구성되어 있다. 
        sender와 recipient는 string으로 각각 수신자와 송신자의 주소이다. 
        amount는 int로 전송되는 양을 의미한다. return은 해당 거래가 속해질 블록의 숫자를 의미한다.
        """

grrrrreee

block = {
    'index': 1,
    'timestamp': 1506057125.900785,
    'transactions': [
        {
            'sender': "8527147fe1f5426f9dd545de4b27ee00",
            'recipient': "a77f5cdfa2934df3954a5c7c7da5df1f",
            'amount': 5,
        }
    ],

grrrrreee

class Blockchain(object):
  def __init__(self):
    self.chain=[]
    self.current_transactions=[]
    
   def new_block(self):
    # 새로운 블록을 생성하고 체인에 넣는다
    pass
  
  @staticmethod

grrrrreee

// cli.go
// send 명령어를 구현한 것

func (cli *CLI) send(from, to string, amount int) {
	bc := NewBlockchain(from)
	defer bc.db.Close()

	tx := NewUTXOTransaction(from, to, amount, bc)
	bc.MineBlock([]*Transaction{tx})
	fmt.Println("Success!")