Files
git.stella-ops.org/src/__Libraries/StellaOps.Provcache/VeriKeyBuilder.Vex.cs

54 lines
1.8 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using static StellaOps.Localization.T;
namespace StellaOps.Provcache;
public sealed partial class VeriKeyBuilder
{
/// <summary>
/// Sets the VEX hash set hash (sorted aggregation of VEX statement hashes).
/// </summary>
/// <param name="vexHashSetHash">The pre-computed VEX hash set hash.</param>
/// <returns>This builder for fluent chaining.</returns>
public VeriKeyBuilder WithVexHashSet(string vexHashSetHash)
{
if (string.IsNullOrWhiteSpace(vexHashSetHash))
throw new ArgumentException(_t("common.provcache.vex_hash_required"), nameof(vexHashSetHash));
_vexHashSetHash = NormalizeHash(vexHashSetHash);
return this;
}
/// <summary>
/// Computes VEX hash set from individual VEX statement hashes.
/// Hashes are sorted lexicographically before aggregation for determinism.
/// </summary>
/// <param name="vexStatementHashes">Individual VEX statement hashes.</param>
/// <returns>This builder for fluent chaining.</returns>
public VeriKeyBuilder WithVexStatementHashes(IEnumerable<string> vexStatementHashes)
{
ArgumentNullException.ThrowIfNull(vexStatementHashes);
var sortedHashes = vexStatementHashes
.Where(h => !string.IsNullOrWhiteSpace(h))
.Select(NormalizeHash)
.Order(StringComparer.Ordinal)
.ToList();
if (sortedHashes.Count == 0)
{
_vexHashSetHash = ComputeHash(Encoding.UTF8.GetBytes("empty-vex-set"));
}
else
{
var concatenated = string.Join("|", sortedHashes);
_vexHashSetHash = ComputeHash(Encoding.UTF8.GetBytes(concatenated));
}
return this;
}
}