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Claim and enrollment TX verification fixes #696
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That should be done for Enrollment transactions.
We don't need a pointer here and this change makes this field compatible with Transaction.Inputs which is useful in many scenarios.
Everywhere in this code prevHash == input.PrevHash, thus we can easily move some common code out of the loop saving on DB accesses and serialization/deserialization.
prevHash == input.PrevHash, so make less DB accesses and more real work. Fix some bugs along the way: * spentCoins structure may already be present in the DB when persisting TX, there is nothing wrong with that and we shouldn't overwrite it * it's only used for NEO and only to check for claim validity. Thus, when processing claim tx the corresponding spentCoins should always be present in the DB
golangcibot
reviewed
Feb 27, 2020
Codecov Report
@@ Coverage Diff @@
## master #696 +/- ##
==========================================
+ Coverage 65.73% 65.75% +0.02%
==========================================
Files 128 128
Lines 10827 10883 +56
==========================================
+ Hits 7117 7156 +39
- Misses 3432 3450 +18
+ Partials 278 277 -1
Continue to review full report at Codecov.
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Which allows to use it for ClaimTX. Make it also a bit more efficient as maps are expensive.
We don't need a map here, use simpler structures.
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fyrchik
approved these changes
Feb 27, 2020
…etter Claim transactions should _add_ claims scripthashes to the standard list, not replace them. And this code is actually very reusable.
Refactor HaveInputsDuplicate() out of the core and Blockchain, it doesn't depend on the Blockchain state. Make it more efficient.
Add doesn't change the variable state. Thanks to GolangCI for catching this.
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Problem
Missing some checks for these transactions. Broken SpentCoin tracking logic.