Fix self transfer duplicate history

scrtlabs / snip20-reference-impl

This is a reference implementation of the SNIP-20 standard.

Apache License 2.0

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Closed reuvenpo closed 3 years ago

reuvenpo commented 3 years ago

This bug was reported by @baedrik .

Added checks when saving history, making sure history is never recorded twice in the same address's history

reuvenpo commented 3 years ago

Thanks @baedrik for reporting this issue and helping me find an elegant solution for it 🎉