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blockchain.py
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blockchain.py
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from networking import VirtualLink, Broadcast
from node import Node
from miner import Miner
import config as cfg
class Blockchain:
def __init__(self):
self.internet = None
self.all_nodes = []
self.all_links = []
self._create_nodes_and_links()
def _create_nodes_and_links(self):
for n in range(0, cfg.NUM_FULL_NODES):
# Build a virtual link
virtual_link = VirtualLink('vl-%d' % n)
# A full node is a node with a virtual link and runs a Miner program
full_node = Node([virtual_link], name=("Node-%d" % n), Program=Miner)
self.all_links.append(virtual_link)
self.all_nodes.append(full_node)
# Setup the Broadcast: Simulate the Internet
self.internet = Node(self.all_links, 'Internet', Program=Broadcast)
self.internet.start()
# Start all links attached to the internet
[l.start() for l in self.all_links]
# Start all full nodes
[fn.start() for fn in self.all_nodes]
self.internet.send(bytes("Internet: Made a genesis block", 'UTF-8'))
def main():
Blockchain()
if __name__ == "__main__":
main()