relab / hotstuff

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Puzzles about ExecCommand function in client/client_gorums.pb.go #29

Closed seafooler closed 3 years ago

seafooler commented 3 years ago

As commented by the function:

ExecCommand sends a command to all replicas and waits for valid signatures
from f+1 replicas

However, the HotStuff paper argues that 2f+1 signatures are needed. What's the reason for this inconsistency?