/// <inheritdoc />
public void SyncFrom(int height)
{
// before we start syncing we need to make sure that the chain is at a certain level.
// if the chain is behind the height from which we want to sync, we wait for it to catch up, and then we start syncing.
// if the chain is already past the height we want to sync from, we don't wait, even though the chain might not be fully downloaded.
if (this.chain.Tip.Height < height)
{
AsyncLoop.RunUntil("WalletFeature.DownloadChain", this.nodeLifetime.ApplicationStopping,
() => this.chain.Tip.Height >= height,
() => this.StartSync(height),
(ex) =>
{
// in case of an exception while waiting for the chain to be at a certain height, we just cut our losses and
// sync from the current height.
this.logger.LogError($"Exception occurred while waiting for chain to download: {ex.Message}");
this.StartSync(this.chain.Tip.Height);
},
TimeSpans.FiveSeconds);
}
else
{
this.StartSync(height);
}
}
/// <inheritdoc />
public void SyncFrom(DateTime date)
{
// before we start syncing we need to make sure that the chain is at a certain level.
// if the chain is behind the date from which we want to sync, we wait for it to catch up, and then we start syncing.
// if the chain is already past the date we want to sync from, we don't wait, even though the chain might not be fully downloaded.
if (this.chain.Tip.Header.BlockTime.LocalDateTime < date)
{
AsyncLoop.RunUntil("WalletFeature.DownloadChain", this.cancellationProvider.Cancellation.Token,
() => this.chain.Tip.Header.BlockTime.LocalDateTime >= date,
() => this.StartSync(this.chain.GetHeightAtTime(date)),
(ex) =>
{
// in case of an exception while waiting for the chain to be at a certain height, we just cut our losses and
// sync from the current height.
this.logger.LogError($"Exception occurred while waiting for chain to download: {ex.Message}");
this.StartSync(this.chain.Tip.Height);
},
TimeSpans.FiveSeconds);
}
else
{
this.StartSync(this.chain.GetHeightAtTime(date));
}
}