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Don't attempt to download checkpoint headers if the number of headers is negative #1158
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… required is below zero. This only happens when there are multiple chain downloads in progress so the common ancestor is above the last header we imported, but safety-first...
mbaxter
approved these changes
Mar 25, 2019
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PR description
Don't attempt to download checkpoint headers if the number of headers is negative.
This only happens when there are multiple chain downloads in progress so the common ancestor is above the last header we imported, but safety-first... The issue of having two concurrent chain downloads running is being investigated separately.