public void TestSameBlock()
{
var walker = new BlockchainWalker();
var path = walker.GetBlockchainPath(this.chainedHeaderA2, this.chainedHeaderA2, this.getChainedHeader);
Assert.AreEqual(this.chainedHeaderA2, path.FromBlock);
Assert.AreEqual(this.chainedHeaderA2, path.ToBlock);
Assert.AreEqual(this.chainedHeaderA2, path.LastCommonBlock);
Assert.AreEqual(0, path.RewindBlocks.Count);
Assert.AreEqual(0, path.AdvanceBlocks.Count);
}
public void TestAdvanceFromGenesis()
{
var walker = new BlockchainWalker();
var path = walker.GetBlockchainPath(this.chainedHeader0, this.chainedHeaderA4, this.getChainedHeader);
Assert.AreEqual(this.chainedHeader0, path.FromBlock);
Assert.AreEqual(this.chainedHeaderA4, path.ToBlock);
Assert.AreEqual(this.chainedHeader0, path.LastCommonBlock);
Assert.AreEqual(0, path.RewindBlocks.Count);
Assert.AreEqual(4, path.AdvanceBlocks.Count);
Assert.AreEqual(this.chainedHeader1, path.AdvanceBlocks[0]);
Assert.AreEqual(this.chainedHeaderA2, path.AdvanceBlocks[1]);
Assert.AreEqual(this.chainedHeaderA3, path.AdvanceBlocks[2]);
Assert.AreEqual(this.chainedHeaderA4, path.AdvanceBlocks[3]);
}
public void TestChainMismatch()
{
var walker = new BlockchainWalker();
walker.GetBlockchainPath(this.chainedHeaderA4, this.chainedHeaderX0, this.getChainedHeader);
}
public void TestRewindAndAdvanceSameHeight()
{
var walker = new BlockchainWalker();
var path = walker.GetBlockchainPath(this.chainedHeaderA4, this.chainedHeaderB4, this.getChainedHeader);
Assert.AreEqual(this.chainedHeaderA4, path.FromBlock);
Assert.AreEqual(this.chainedHeaderB4, path.ToBlock);
Assert.AreEqual(this.chainedHeader1, path.LastCommonBlock);
Assert.AreEqual(3, path.RewindBlocks.Count);
Assert.AreEqual(this.chainedHeaderA4, path.RewindBlocks[0]);
Assert.AreEqual(this.chainedHeaderA3, path.RewindBlocks[1]);
Assert.AreEqual(this.chainedHeaderA2, path.RewindBlocks[2]);
Assert.AreEqual(3, path.AdvanceBlocks.Count);
Assert.AreEqual(this.chainedHeaderB2, path.AdvanceBlocks[0]);
Assert.AreEqual(this.chainedHeaderB3, path.AdvanceBlocks[1]);
Assert.AreEqual(this.chainedHeaderB4, path.AdvanceBlocks[2]);
}