quoracle/examples.py

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2021-01-22 22:47:07 +00:00
from quorums import *
2021-01-21 06:04:18 +00:00
a = Node('a')
b = Node('b')
c = Node('c')
d = Node('d')
e = Node('e')
f = Node('f')
g = Node('g')
h = Node('h')
i = Node('i')
def main():
# TODO(mwhittaker): Add more quorums and tidy up.
quorum_systems = {
'majority': QuorumSystem(reads=majority([a, b, c])),
'read one, write all': QuorumSystem(reads=choose(1, [a, b, c])),
'write one, read all': QuorumSystem(writes=choose(1, [a, b, c])),
'3 by 3 grid': QuorumSystem(reads=a*b*c + d*e*f + g*h*i),
}
for name, qs in quorum_systems.items():
sigma = qs.strategy(read_fraction=0.5)
print(name)
print(qs)
print(sigma)
print(sigma.load(read_fraction=0.5))
if __name__ == '__main__':
main()