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Error handler for Deposit autoSubmit funding proof error #118
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The event emitter was renamed to a generic name, so it won't be dedicated to just one type of event but it will be used for different types of events.
Previously when an error was returned from `provideBTCFundingProof` transaction in the `autoSubmit` flow an UnhandledPromiseRejectionWarning was logged, user of the library had no chance to handle this error. As autoSubmit happens asynchronously we need a way to bubble up the error. In this proposed approach we catch the error an emit it as an event. User is required to define error callback with `onError` function.
Shadowfiend
reviewed
Feb 18, 2021
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Contributor
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Why not take an onError or similar parameter to autoSubmit? It could be optional if someone wanted to handle errors directly on the promise, and we could also emit the event.
In general, a hybrid mechanism where we move to promise workflow + events depending on what the consumer wants to use might be a nice transition for a future direction.
Contributor
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Merging this as-is, but flagging that I'm still interested in the parameter being passed in addition to the notification approach. |
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Previously when an error was returned from
provideBTCFundingProoftransaction in theautoSubmitflow anUnhandledPromiseRejectionWarningwas logged, a user of the library had no chance to handle this error.As auto submit happens asynchronously we need a way to bubble up the error.
In this proposed approach we catch the error and emit it as an event. User is required to define error callback with
onErrorfunction.