public async Task ConsensusTipChanged_CachedHeadersConsumedFullyAsync()
{
var cache = new List <BlockHeader>()
{
this.headers[11].Header, this.headers[12].Header
};
ConsensusManagerBehavior behavior = this.helper.CreateAndAttachBehavior(this.headers[5], cache, this.headers[10], NetworkPeerState.HandShaked,
(presentedHeaders, triggerDownload) =>
{
Assert.Equal(this.headers[12].Header, presentedHeaders.Last());
return(new ConnectNewHeadersResult()
{
Consumed = this.headers[12]
});
});
ConnectNewHeadersResult result = await behavior.ConsensusTipChangedAsync();
Assert.Equal(this.headers[12], behavior.BestReceivedTip);
Assert.Equal(this.headers[12], behavior.BestSentHeader);
Assert.Empty(this.helper.GetCachedHeaders(behavior));
Assert.Equal(1, this.helper.GetHeadersPayloadSentTimes);
Assert.Equal(result.Consumed, this.headers[12]);
}
public async Task ConsensusTipChanged_ConsensusTipAdvancedBuNoCachedHeadersAsync()
{
ConsensusManagerBehavior behavior = this.helper.CreateAndAttachBehavior(this.headers[5], null, this.headers[10]);
ConnectNewHeadersResult result = await behavior.ConsensusTipChangedAsync();
Assert.Null(result);
Assert.Equal(0, this.helper.GetHeadersPayloadSentTimes);
Assert.Equal(0, this.helper.HeadersPresentedCalledTimes);
}
public async Task ConsensusTipChanged_PeerNotAttachedAsync()
{
var cache = new List <BlockHeader>()
{
this.headers[11].Header, this.headers[12].Header
};
ConsensusManagerBehavior behavior = this.helper.CreateAndAttachBehavior(this.headers[5], cache, this.headers[10]);
// That will set peer to null.
behavior.Dispose();
ConnectNewHeadersResult result = await behavior.ConsensusTipChangedAsync();
Assert.Equal(0, this.helper.GetHeadersPayloadSentTimes);
Assert.Equal(0, this.helper.HeadersPresentedCalledTimes);
Assert.Null(result);
}
public async Task ConsensusTipChanged_NotAbleToConnectCachedHeadersAsync()
{
var cache = new List <BlockHeader>()
{
this.headers[14].Header, this.headers[15].Header
};
ConsensusManagerBehavior behavior = this.helper.CreateAndAttachBehavior(this.headers[5], cache, this.headers[10], NetworkPeerState.HandShaked,
(presentedHeaders, triggerDownload) =>
{
Assert.Equal(this.headers[14].Header, presentedHeaders.First());
throw new ConnectHeaderException();
});
ConnectNewHeadersResult result = await behavior.ConsensusTipChangedAsync();
Assert.Equal(this.headers[10], behavior.BestReceivedTip);
Assert.Equal(this.headers[10], behavior.BestSentHeader);
Assert.Equal(1, this.helper.GetHeadersPayloadSentTimes);
Assert.Null(result);
Assert.Empty(this.helper.GetCachedHeaders(behavior));
}
public async Task ConsensusTipChanged_CachedHeadersConsumedPartiallyAsync()
{
var cache = new List <BlockHeader>();
for (int i = 11; i <= 50; i++)
{
cache.Add(this.headers[i].Header);
}
ConsensusManagerBehavior behavior = this.helper.CreateAndAttachBehavior(this.headers[5], cache, this.headers[10], NetworkPeerState.HandShaked,
(presentedHeaders, triggerDownload) =>
{
Assert.Equal(this.headers[50].Header, presentedHeaders.Last());
return(new ConnectNewHeadersResult()
{
Consumed = this.headers[40]
});
});
ConnectNewHeadersResult result = await behavior.ConsensusTipChangedAsync();
Assert.Equal(this.headers[40], behavior.BestReceivedTip);
Assert.Equal(this.headers[40], behavior.BestSentHeader);
Assert.Equal(0, this.helper.GetHeadersPayloadSentTimes);
Assert.Equal(result.Consumed, this.headers[40]);
List <BlockHeader> cacheAfterTipChanged = this.helper.GetCachedHeaders(behavior);
Assert.Equal(10, cacheAfterTipChanged.Count);
for (int i = 41; i <= 50; i++)
{
Assert.Contains(this.headers[i].Header, cacheAfterTipChanged);
}
}