/// <summary>
/// Fetch the transaction input which spends the indicated output, asynchronously.
/// </summary>
/// <param name="outputPoint"> Tx hash and index pair where the output was spent. </param>
public async Task <ApiCallResult <IPoint> > FetchSpendAsync(OutputPoint outputPoint)
{
return(await TaskHelper.ToTask <ApiCallResult <IPoint> >(tcs =>
{
FetchSpend(outputPoint, (code, point) =>
{
tcs.TrySetResult(new ApiCallResult <IPoint> {
ErrorCode = code, Result = point
});
});
}));
}
private void FetchSpend(OutputPoint outputPoint, Action <ErrorCode, Point> handler)
{
IntPtr contextPtr = CreateContext(handler, outputPoint);
ChainNative.chain_fetch_spend(nativeInstance_, contextPtr, outputPoint.NativeInstance, internalFetchSpendHandler_);
}