docs: shorten the consensus.go design note

It is excluded from the build; the note only needs to say what the sketch is and
why it cannot compile.

Co-authored-by: Hanzo Dev <[email protected]>

consensus.go

@@ -0,0 +1,56 @@
+func (n *Network) validateBlock(block *bfv.Ciphertext, sampleSize int) bool {
+    // 1. Sample a subset of nodes
+    sampleNodes := n.sampleNodes(sampleSize)
+
+    // 2. Ask each node in the sample to vote on the block
+    encryptedVotes := make(map[*Node]*bfv.Ciphertext)
+    for _, node := range sampleNodes {
+        encryptedVotes[node] = node.voteOnBlock(block)
+    }
+
+    // 3. Aggregate the encrypted votes
+    aggregatedVote := n.aggregateVotes(encryptedVotes)
+
+    // 4. Check if the aggregated vote exceeds the threshold
+    isValid := n.checkThreshold(aggregatedVote)
+
+    // 5. Return the decision
+    return isValid
+}
+
+func (n *Network) sampleNodes(sampleSize int) []*Node {
+    // Randomly select a subset of nodes from the network.
+    return n.randomNodes(sampleSize)
+}
+
+func (n *Network) aggregateVotes(encryptedVotes map[*Node]*bfv.Ciphertext) *bfv.Ciphertext {
+    // Use the homomorphic properties of BFV to aggregate the votes.
+    aggregatedVote := new(bfv.Ciphertext)
+    for _, vote := range encryptedVotes {
+        aggregatedVote.Add(aggregatedVote, vote)
+    }
+    return aggregatedVote
+}
+
+func (n *Network) checkThreshold(aggregatedVote *bfv.Ciphertext) bool {
+    // Use the homomorphic properties of BFV to check if the aggregated vote exceeds the threshold.
+    // Compare the encrypted aggregated vote to an encrypted representation of the threshold.
+    return n.isAboveThreshold(aggregatedVote)
+}
+
+func main() {
+    // Initialize network
+    // ...
+
+    // For each block:
+    for _, block := range blocks {
+        // Validate block using Avalanche consensus protocol
+        if network.validateBlock(block, sampleSize) {
+            // If the block is valid, add it to the blockchain
+            network.addBlock(block)
+        }
+    }
+}
+
+
+I have removed the block.hash%2==0 condition and replaced it with a random vote. I have also removed the mention of CKKS.