def create_coinbase_transaction(self):
# Adds coinbase transaction to each mined block
tx = Transaction()
output = TransactionOutput()
read_file = open("node_data.json", "r")
raw = read_file.read()
my_node = json.loads(raw)
output.value = 50
output.address = my_node["address"]
output.n = 0
tx.add_output(output)
tx.generate_hash()
self.add_transaction(tx)
def from_json(data):
tmp = Transaction()
tmp.timestamp = data['timestamp']
tmp.version = data['version']
tmp.hash = data['hash']
tmp.inputs = [
TransactionInput.from_json(input) for input in data['inputs']
]
tmp.outputs = [
TransactionOutput.from_json(output) for output in data['outputs']
]
tmp.block = data['block']
return tmp
def to_json(self):
return {
'timestamp':
self.timestamp,
'version':
self.version,
'hash':
self.hash,
'inputs':
[TransactionInput.to_json(input) for input in self.inputs],
'outputs':
[TransactionOutput.to_json(output) for output in self.outputs],
'block':
self.block
}
def test_txs_by_address(self):
blockchain = BlockChain()
blockchain.flush_chain()
block = Block()
tx = Transaction()
input1 = TransactionInput()
input1.address = "test_address"
tx.add_input(input1)
tx.generate_hash()
block.add_transaction(tx)
tx1 = Transaction()
output = TransactionOutput()
output.address = "fake_address"
output1 = TransactionOutput()
output1.address = "test_address"
tx1.add_output(output)
tx1.add_output(output1)
tx1.generate_hash()
block.add_transaction(tx1)
tx2 = Transaction()
output2 = TransactionOutput()
output2.address = "fake_address"
tx2.add_output(output2)
tx2.generate_hash()
block.add_transaction(tx2)
block.compute_hash()
blockchain.add_block(block)
txs = blockchain.get_txs_by_addr("test_address")
getb = blockchain.get_block(-1)
print(getb.to_json())
for tx in txs:
print(tx.hash, end='\n')
# self.assertEqual(len(txs), 2)
print(len(txs))
blockchain.close()
def create_tx(addr):
add_data = {
"address":
"1d3f347aada53547142da8edea5e0019e6ef31bb15",
"vk":
"-----BEGIN PUBLIC KEY-----\nMEkwEwYHKoZIzj0CAQYIKoZIzj0DAQEDMgAEHxzkpgh/lqgd1/rb7d+D+srhlhzG\ncOAveBQafVnHkffNR2aCiFHVQZKzhyO7iC/p\n-----END PUBLIC KEY-----\n",
"sk":
"-----BEGIN EC PRIVATE KEY-----\nMF8CAQEEGKtkXJ8xlejSSOl4mzNTYiXmb70wRByW1aAKBggqhkjOPQMBAaE0AzIA\nBB8c5KYIf5aoHdf62+3fg/rK4ZYcxnDgL3gUGn1Zx5H3zUdmgohR1UGSs4cju4gv\n6Q==\n-----END EC PRIVATE KEY-----\n"
}
tx = Transaction()
add = Address()
add.load(add_data["sk"], add_data["vk"])
# print(addr)
tx.inputs = []
tx.inputs.append(
TransactionInput.from_json({
'previous_tx':
"16e8dab3a9185d5329fac9cfdc0a81c7817826f701e747cb3751878061e4dc8c",
'index':
0,
'scriptSig': [
add.sign_message(
json.dumps({
'previous_tx':
"16e8dab3a9185d5329fac9cfdc0a81c7817826f701e747cb3751878061e4dc8c",
'index': 0
}).encode("utf-8")).hex()
],
'address':
addr,
'verifying_key': [add_data["vk"]]
}))
tx.outputs.append(
TransactionOutput.from_json({
'address': "yikgyyf67rr68t887tfc",
'value': 25,
'n': 0
}))
tx.generate_hash()
txf = tx.to_json()
# print(txf['inputs'][0]['address'])
return txf
def create_fake_transaction(address: Address):
tmp_tx = Transaction()
add = Address()
add.load(add_data["sk"], add_data["vk"])
tmp_tx.inputs.append(TransactionInput.from_json({
'previous_tx': "16e8dab3a9185d5329fac9cfdc0a81c7817826f701e747cb3751878061e4dc8c",
'index': 0,
'scriptSig': [add.sign_message(json.dumps({
'previous_tx': "16e8dab3a9185d5329fac9cfdc0a81c7817826f701e747cb3751878061e4dc8c",
'index': 0
}).encode("utf-8")).hex()],
'address': add_data["address"],
'verifying_key': [add_data["vk"]]
}))
tmp_tx.outputs.append(TransactionOutput.from_json({
'address': "12345",
'value': 25,
'n': 0
}))
tmp_tx.generate_hash()
return tmp_tx
from trucoin.Block import Block
from trucoin.Transaction import Transaction
from trucoin.TransactionInput import TransactionInput
from trucoin.TransactionOutput import TransactionOutput
import time
import sys
from utils import getsize, getbytes
output = TransactionOutput()
output.address = "1d3f347aada53547142da8edea5e0019e6ef31bb15"
output.n = 0
output.value = 50
transaction = Transaction()
transaction.add_output(output)
transaction.is_coinbase = True
transaction.hash = "eef9fda50a6bf6c11c5078d8772d94jk"
block = Block()
block.add_transaction(transaction)
block.calculate_merkle_root()
block.compute_hash()
block.miner = "1d3f347aada53547142da8edea5e0019e6ef31bb15jk"
block.size = getbytes(block)
print(block.__dict__)
message = {
"hash": block.hash,
"timestamp": block.timestamp,
"transaction": block.transactions[0].broadcast_transaction(),
"previous_block_hash": block.previous_block_hash,
"merkle_root": block.merkle_root,
"height": block.height,
"miner": block.miner,
"version": block.version,