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- class Block:
- ''' This class represents a tuple of the form (h, e, txs).
- Each blocks parent hash h may be computed simply as a hash of the parent block. '''
- def __init__(self, h, e, txs):
- self.h = h # parent hash
- self.e = e # epoch number
- self.txs = txs # transactions payload
- self.votes = [] # Epoch votes
- self.notarized = False # block notarization flag
- self.finalized = False # block finalization flag
- def __repr__(self):
- return "Block=[h={0}, e={1}, txs={2}, notarized={3}, finalized={4}]".format(
- self.h, self.e, self.txs, self.notarized, self.finalized)
- def __hash__(self):
- # python hash is used for demostranation porpuses only.
- return hash((self.h, self.e, str(self.txs)))
- def __eq__(self, other):
- return self.h == other.h and self.e == other.e and self.txs == other.txs
- def encode(self):
- return(("{0},{1},{2}".format(self.h, self.e, self.txs)).encode())
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