public static string ToExcerptString(this IBlockExcerpt excerpt) =>
$"{excerpt.GetType().Name} {{" +
$" {nameof(IBlockExcerpt.ProtocolVersion)} = {excerpt.ProtocolVersion}," +
$" {nameof(IBlockExcerpt.Index)} = {excerpt.Index}," +
$" {nameof(IBlockExcerpt.Hash)} = {excerpt.Hash}," +
$" {nameof(IBlockExcerpt.TotalDifficulty)} = {excerpt.TotalDifficulty}" +
" }";
public static bool ExcerptEquals(this IBlockExcerpt excerpt, IBlockExcerpt other)
{
return(excerpt.ProtocolVersion.Equals(other.ProtocolVersion) &&
excerpt.Index.Equals(other.Index) &&
excerpt.Hash.Equals(other.Hash) &&
excerpt.TotalDifficulty.Equals(other.TotalDifficulty));
}
public BlockPerception(IBlockExcerpt blockExcerpt, DateTimeOffset perceivedTime)
{
ProtocolVersion = blockExcerpt.ProtocolVersion;
Index = blockExcerpt.Index;
Hash = blockExcerpt.Hash;
TotalDifficulty = blockExcerpt.TotalDifficulty;
PerceivedTime = perceivedTime;
}
public override string ToString()
{
const string F = nameof(BlockExcerpt);
IBlockExcerpt excerpt = BlockExcerpt;
return
($"{nameof(BlockPerception)} {{" +
$" {F}.{nameof(excerpt.ProtocolVersion)} = {excerpt.ProtocolVersion}," +
$" {F}.{nameof(excerpt.Index)} = {excerpt.Index}," +
$" {F}.{nameof(excerpt.Hash)} = {excerpt.Hash}," +
$" {F}.{nameof(excerpt.TotalDifficulty)} = {excerpt.TotalDifficulty}," +
$" {nameof(PerceivedTime)} = {PerceivedTime}" +
" }");
}
public int Compare(BlockPerception x, BlockPerception y)
{
DateTimeOffset outdateBefore = _currentTimeGetter() - OutdateAfter;
bool xOutdated = x.PerceivedTime <= outdateBefore,
yOutdated = y.PerceivedTime <= outdateBefore;
if (xOutdated != yOutdated)
{
return(xOutdated ? -1 : 1);
}
IBlockExcerpt xBlock = x.BlockExcerpt, yBlock = y.BlockExcerpt;
int vcmp = xBlock.ProtocolVersion.CompareTo(yBlock.ProtocolVersion);
return(vcmp == 0 ? xBlock.TotalDifficulty.CompareTo(yBlock.TotalDifficulty) : vcmp);
}
/// <summary>
/// Creates a pair with setting <see cref="PerceivedTime"/> to the current time.
/// </summary>
/// <param name="blockExcerpt">The block perceived by the local node.</param>
public BlockPerception(IBlockExcerpt blockExcerpt)
: this(blockExcerpt, DateTimeOffset.UtcNow)
{
}
/// <summary>
/// Creates a pair.
/// </summary>
/// <param name="blockExcerpt">The block perceived by the local node.</param>
/// <param name="perceivedTime">The time the local node perceived the
/// <paramref name="blockExcerpt"/>.</param>
public BlockPerception(IBlockExcerpt blockExcerpt, DateTimeOffset perceivedTime)
{
BlockExcerpt = blockExcerpt;
PerceivedTime = perceivedTime;
}
