def __init__(self, persistence_file=None):
self.uuid = str(uuid.uuid1())
with open(persistence_file) as in_file:
genesis = block_from_dict(json.loads(in_file.read()))
self.chain = BlockChain(genesis)
self.candidate_txs = []
self.confirmed_txs = []
self.neighbours = []
from springfield_chain.mining.mining import mine_block
from springfield_chain.block.blocks import block_from_dict
import json
import sys
DEBUG = True
# expecting arguments proof(int), num_tries(int) and serialized json of block
if DEBUG:
for arg in sys.argv:
print(f'arg: {arg}')
proof = int(sys.argv[1])
num_tries = int(sys.argv[2])
block_string = ' '.join(sys.argv[3:])
print(f'block: {block_string}')
block = block_from_dict(json.loads(block_string))
res = mine_block(block, proof, num_tries)
if res is None:
sys.exit(0)
else:
print(res.proof)
sys.exit(0)
import json
from springfield_chain.mining import mining
from springfield_chain.block import blocks
with open('springfield_chain/block/genesis.json') as json_data:
data = blocks.block_from_dict(json.load(json_data))
proof = mining.mine_proof(data, 1900000, 100000)
print("Mined proof: " + str(proof))
def test_hash_with_proof():
with open('./springfield_chain/block/genesis.json') as json_data:
block = block_from_dict(json.load(json_data))
assert hash_api.hash_block_with_proof(
block, 123
) == '60a943ad0e679aa56dd2359927ea655e09254df82a06e7b48c3eca1de5161de0'
def test_hash():
with open('./springfield_chain/block/genesis.json') as json_data:
block = block_from_dict(json.load(json_data))
assert hash_api.hash_block(
block
) == '000000b642b67d8bea7cffed1ec990719a3f7837de5ef0f8ede36537e91cdc0e'
def create_simple_chain():
with open('springfield_chain/block/genesis.json') as in_file:
genesis = block_from_dict(json.loads(in_file.read()))
return BlockChain(genesis)
import json
from springfield_chain.block.blocks import block_from_dict
from springfield_chain.hashing import hash_api
with open('springfield_chain/block/genesis.json') as json_data:
data = json.load(json_data)
block = block_from_dict(data)
print(hash_api.hash_block_with_proof(block, 1917336))