以下是一个简化版的区块链钱包的示例代码，使

发布时间：2025-04-27 15:18:56

$以下是一个简化版的区块链钱包的示例代码，使用Python和一些常见的库（如`hashlib`和`json`）来展示一个基本的区块链钱包的构建。请注意，这个示例仅用于学习目的，并不适合生产环境。首先，确保你安装了所需的库。你可以使用pip安装： ```bash pip install Flask ``` 然后，创建一个名为`wallet.py`的文件，并添加以下代码： ```python import hashlib import json from time import time from flask import Flask, jsonify, request class Block: def __init__(self, index, previous_hash, timestamp, transactions, nonce=0): self.index = index self.previous_hash = previous_hash self.timestamp = timestamp self.transactions = transactions self.nonce = nonce def compute_hash(self): block_string = json.dumps(self.__dict__, sort_keys=True).encode() return hashlib.sha256(block_string).hexdigest() class Blockchain: def __init__(self): self.chain = [] self.current_transactions = [] self.create_block(previous_hash='1', nonce=100) def create_block(self, nonce, previous_hash): block = Block(len(self.chain) 1, previous_hash, time(), self.current_transactions, nonce) self.current_transactions = [] self.chain.append(block) return block def add_transaction(self, sender, recipient, amount): self.current_transactions.append({ 'sender': sender, 'recipient': recipient, 'amount': amount, }) return self.last_block.index 1 @property def last_block(self): return self.chain[-1] app = Flask(__name__) blockchain = Blockchain() @app.route('/mine', methods=['GET']) def mine(): last_block = blockchain.last_block last_hash = last_block.compute_hash() blockchain.add_transaction(sender=$ $以下是一个简化版的区块链钱包的示例代码，使用Python和一些常见的库（如`hashlib`和`json`）来展示一个基本的区块链钱包的构建。请注意，这个示例仅用于学习目的，并不适合生产环境。首先，确保你安装了所需的库。你可以使用pip安装： ```bash pip install Flask ``` 然后，创建一个名为`wallet.py`的文件，并添加以下代码： ```python import hashlib import json from time import time from flask import Flask, jsonify, request class Block: def __init__(self, index, previous_hash, timestamp, transactions, nonce=0): self.index = index self.previous_hash = previous_hash self.timestamp = timestamp self.transactions = transactions self.nonce = nonce def compute_hash(self): block_string = json.dumps(self.__dict__, sort_keys=True).encode() return hashlib.sha256(block_string).hexdigest() class Blockchain: def __init__(self): self.chain = [] self.current_transactions = [] self.create_block(previous_hash='1', nonce=100) def create_block(self, nonce, previous_hash): block = Block(len(self.chain) 1, previous_hash, time(), self.current_transactions, nonce) self.current_transactions = [] self.chain.append(block) return block def add_transaction(self, sender, recipient, amount): self.current_transactions.append({ 'sender': sender, 'recipient': recipient, 'amount': amount, }) return self.last_block.index 1 @property def last_block(self): return self.chain[-1] app = Flask(__name__) blockchain = Blockchain() @app.route('/mine', methods=['GET']) def mine(): last_block = blockchain.last_block last_hash = last_block.compute_hash() blockchain.add_transaction(sender=$

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