fix(mining): Fix block template not checking for MAX_FUTURE_TIMESTAMP_ALLOWED#822
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fix(mining): Fix block template not checking for MAX_FUTURE_TIMESTAMP_ALLOWED#822
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glevco
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jansegre
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Codecov ReportAttention:
Additional details and impacted files@@ Coverage Diff @@
## master #822 +/- ##
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- Coverage 84.58% 84.54% -0.05%
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Files 269 269
Lines 22223 22234 +11
Branches 3398 3399 +1
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Hits 18797 18797
- Misses 2759 2766 +7
- Partials 667 671 +4
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Background
Some flaky tests using simulator were failing with the following error:
hathor.exception.InvalidNewTransaction: Ignoring transaction in the future.Why?
Because a miner was trying to push a block with a timestamp set too far in the future.
Why?
Because
HathorManager.generate_mining_block()was returning a block template with an invalid timestamp.Why?
After a chain of calls started by
Hathor.generate_mining_block(), the method_make_block_template()was called. This method was not taking into consideration theMAX_FUTURE_TIMESTAMP_ALLOWEDwhen calculating the maximum allowed timestamp.Acceptance criteria
BlockTemplateErrorandBlockTemplateTimestampError.HathorManager._make_block_template()to takeMAX_FUTURE_TIMESTAMP_ALLOWEDinto consideration when calculatingmax_timestamp.hathor.simulator.GeometricMinerto handle theBlockTemplateTimestampErrortrying again in 5 seconds.