Finish current challenge before starting the latest one #17
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dermetfan
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Handle donation before mining (simplifies code)
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Currently, when a new challenge is found, mining for the current one is stopped.
This is becoming a problem for lower hash rate miners as difficulty increases, since they might not be able to solve a challenge within one hour, so before a new one becomes available, and hence solving is always canceled before a solution could be found.
With this PR, the newest available challenge is started only after the previous one is solved.
To simplify the code, this also handles donation before starting a mining cycle. There is no point in delaying donation until after a solution was found — the API supports donation as long as the addresses are registered and the documentation even includes an example reply for that case.