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ResQ.Storage.IStorageClient

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IStorageClient.GetAsync(string, CancellationToken) Method

Retrieves file content by its IPFS CID. 
System.Threading.Tasks.Task<System.IO.Stream> GetAsync(string cid, System.Threading.CancellationToken cancellationToken=default(System.Threading.CancellationToken));

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Parameters

cid System.String The IPFS Content Identifier of the file to retrieve. cancellationToken System.Threading.CancellationToken Cancellation token for the operation.

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Returns

System.Threading.Tasks.Task<System.IO.Stream>
A stream containing the file content.

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Exceptions

System.ArgumentNullException
Thrown when cid is null or empty. System.InvalidOperationException
Thrown when the file cannot be retrieved. System.OperationCanceledException
Thrown when the operation is cancelled.

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Example

using var stream = await storage.GetAsync("Qmabc123...");
using var fileStream = File.Create("downloaded.jpg");
await stream.CopyToAsync(fileStream);

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Remarks

The content is retrieved through the configured IPFS gateway. The caller is responsible for disposing the returned stream. In mock mode, returns a mock stream.