private void OnShown(object sender, EventArgs e)
{
WebSocketHelpers.ClearCanvas();
MerkleTree tree = new DemoMerkleTree();
CreateTree(tree, (int)nudNumLeaves.Value);
DrawTree(tree);
}
private void btnAuditProof_Click(object sender, EventArgs e)
{
WebSocketHelpers.ClearCanvas();
MerkleTree tree = new DemoMerkleTree();
CreateTree(tree, (int)nudNumLeaves.Value);
DrawTree(tree);
int leafNum = (int)nudAuditProofNodeNumber.Value;
Highlight(tree.RootNode.Leaves().Cast <DemoMerkleNode>().Single(n => n.Text == leafNum.ToString("X")), "Orange");
DrawAuditProof(leafNum.ToString("X"), tree);
}
private void NumLeavesChanged(object sender, EventArgs e)
{
WebSocketHelpers.ClearCanvas();
MerkleTree tree = new DemoMerkleTree();
CreateTree(tree, (int)nudNumLeaves.Value);
DrawTree(tree);
// Adjust maximums of our "proof" explorers.
nudAuditProofNodeNumber.Maximum = nudNumLeaves.Value - 1;
nudConsistencyProofNumLeaves.Maximum = nudNumLeaves.Value - 1;
}
private void btnConsistencyProof_Click(object sender, EventArgs e)
{
WebSocketHelpers.ClearCanvas();
MerkleTree tree = new DemoMerkleTree();
CreateTree(tree, (int)nudNumLeaves.Value);
DrawTree(tree);
int numLeaves = (int)nudConsistencyProofNumLeaves.Value;
// Reconstruct the old root hash by creating a tree of "m" leaves.
// We do this because in the demo, we haven't given the user the ability to append trees, so we
// simulate that process here.
MerkleTree oldTree = new DemoMerkleTree();
CreateTree(oldTree, numLeaves);
// For demo purposes, remove any () that were created by left-only branches.
((DemoMerkleNode)oldTree.RootNode).Text = ((DemoMerkleNode)oldTree.RootNode).Text.Replace("(", "").Replace(")", "");
DrawConsistencyProof(tree, (DemoMerkleNode)oldTree.RootNode, numLeaves, null);
}