Class Blockchain

simple_blockchain.py

from hashlib import sha256

class Blockchain:
    def __init__(self, prev_hash: str, transaction_list: list):
        self.prev_hash = prev_hash
        self.transaction_list = transaction_list

        # block data and concate strings
        self.block_data = " - ".join(transaction_list) + " - " + prev_hash
        self.block_hash = sha256(self.block_data.encode()).hexdigest()