好的！下面是一个简单的区块链钱包的示例代码

发布时间：2024-11-21 21:40:29

$好的！下面是一个简单的区块链钱包的示例代码，使用Python语言编写。这个代码展示了如何创建一个基本的区块链钱包。请注意，这只是一个基础示例，实际应用中还需考虑许多安全性和功能性问题。 ### 区块链钱包示例代码 ```python import hashlib import json from time import time from flask import Flask, jsonify, request class Blockchain: def __init__(self): self.chain = [] self.current_transactions = [] self.new_block(previous_hash='1', miner='Genesis') def new_block(self, proof, previous_hash=None): block = { 'index': len(self.chain) 1, 'timestamp': time(), 'transactions': self.current_transactions, 'proof': proof, 'previous_hash': previous_hash or self.hash(self.chain[-1]), } self.current_transactions = [] self.chain.append(block) return block def new_transaction(self, sender, recipient, amount): self.current_transactions.append({ 'sender': sender, 'recipient': recipient, 'amount': amount, }) return self.last_block['index'] 1 @staticmethod def hash(block): block_string = json.dumps(block, sort_keys=True).encode() return hashlib.sha256(block_string).hexdigest() @property def last_block(self): return self.chain[-1] app = Flask(__name__) node_address = str(uuid4()).replace('-', '') blockchain = Blockchain() @app.route('/mine', methods=['GET']) def mine(): last_block = blockchain.last_block last_proof = last_block['proof'] proof = blockchain.proof_of_work(last_proof) blockchain.new_transaction( sender=$ $好的！下面是一个简单的区块链钱包的示例代码，使用Python语言编写。这个代码展示了如何创建一个基本的区块链钱包。请注意，这只是一个基础示例，实际应用中还需考虑许多安全性和功能性问题。 ### 区块链钱包示例代码 ```python import hashlib import json from time import time from flask import Flask, jsonify, request class Blockchain: def __init__(self): self.chain = [] self.current_transactions = [] self.new_block(previous_hash='1', miner='Genesis') def new_block(self, proof, previous_hash=None): block = { 'index': len(self.chain) 1, 'timestamp': time(), 'transactions': self.current_transactions, 'proof': proof, 'previous_hash': previous_hash or self.hash(self.chain[-1]), } self.current_transactions = [] self.chain.append(block) return block def new_transaction(self, sender, recipient, amount): self.current_transactions.append({ 'sender': sender, 'recipient': recipient, 'amount': amount, }) return self.last_block['index'] 1 @staticmethod def hash(block): block_string = json.dumps(block, sort_keys=True).encode() return hashlib.sha256(block_string).hexdigest() @property def last_block(self): return self.chain[-1] app = Flask(__name__) node_address = str(uuid4()).replace('-', '') blockchain = Blockchain() @app.route('/mine', methods=['GET']) def mine(): last_block = blockchain.last_block last_proof = last_block['proof'] proof = blockchain.proof_of_work(last_proof) blockchain.new_transaction( sender=$

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