from blockchain import Blockchain
b1_transacoes = {"sender": "Alice", "receiver": "Bob", "amount": "50"}
b2_transacoes = {"sender": "Bob", "receiver": "Cole", "amount": "25"}
b3_transacoes = {"sender": "Alice", "receiver": "Cole", "amount": "35"}
fk_transacoes = {"sender": "Bob", "receiver": "Cole, Alice", "amount": "25"}
local_blockchain = Blockchain()
local_blockchain.print_blocos()
local_blockchain.add_bloco(b1_transacoes)
local_blockchain.add_bloco(b2_transacoes)
local_blockchain.add_bloco(b3_transacoes)
local_blockchain.print_blocos()
local_blockchain.chain[2].transactions = fk_transacoes
local_blockchain.validar_chain()
