Exemple #1
0
        public BaselineTreeNode[] GetLeaves(params uint[] leafIndexes)
        {
            BaselineTreeNode[] leaves = new BaselineTreeNode[leafIndexes.Length];
            for (int i = 0; i < leafIndexes.Length; i++)
            {
                leaves[i] = GetLeaf(leafIndexes[i]);
            }

            return(leaves);
        }
Exemple #2
0
        public BaselineTreeNode[] GetProof(uint leafIndex)
        {
            ValidateIndexAtRow(LeafRow, leafIndex);

            BaselineTreeNode[] proof = new BaselineTreeNode[TreeHeight];

            uint indexAtRow = leafIndex;

            for (int proofRow = TreeHeight; proofRow > 0; proofRow--)
            {
                uint   siblingIndex     = GetSiblingIndexAtRow((uint)proofRow, indexAtRow);
                ulong  siblingNodeIndex = GetNodeIndex((uint)proofRow, siblingIndex);
                ulong  nodeIndex        = GetNodeIndex((uint)proofRow, indexAtRow);
                Keccak hashAsKeccak     = new Keccak(LoadValue(siblingNodeIndex).AsSpan().ToArray());
                proof[TreeHeight - proofRow] = new BaselineTreeNode(hashAsKeccak, siblingNodeIndex);
                indexAtRow = GetIndexAtRow((uint)proofRow - 1u, GetParentIndex(nodeIndex));
            }

            return(proof);
        }