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Optimize cost of marking attendance #160

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makoto opened this issue Jul 9, 2018 · 0 comments

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makoto commented Jul 9, 2018

Currently the cost of marking participants increase in O(n).

The potential solution would be.

Only mark people who did not attend
Track attendance as bitmap binary array which can be updated with one storage write
Use Merkel airdrop logic to put the merkel hash of all the participants (this require to hold all attendees info off chain).

makoto added the performance label

makoto mentioned this issue

Do not default gasLimit to 1M #169

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