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• NFT table added to FIO Address contract

• Index support for new getters

  • contract address & tokenid

  • nft hash

  • by fio address

  • by owner

• Binary extensions

Risks

• Increase in state utilization

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• add nft

  • NFT is searchable by hash

  • Searchable by owner

  • Verify fee amount properly paid from user

  • Verify fee amount distribution between bp pools and tpids

• transfer address

  • Ensure NFTs are burned on transfer

• burn address

  • Ensure NFTs burned with address

• remove nft

  • Specific nft hash no longer exists

  • NFT owner no longer has nft in record

  • Verify fee amount properly paid from user

  • Verify fee amount distribution between bp pools and tpids

• remove all nfts

  • None of the NFTs are present by their hash

  • Owner does not have NFTs

  • Verify fee amount properly paid from user

  • Verify fee amount distribution between bp pools and tpids

Results

TBD

Performance Testing

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• Registration of 10000 NFTs, 20 simultaneous users 500 total

  • Measure TPS

  • Measure state utilization

  • Any bloating of the block log ?

  • Big vs small NFT metadata, urls, and other variably sized strings stored in state

• Remove large amounts of NFTs from multiple users

  • Measure performance impact on node

  • Do actions begin to fail ?

Results

• TBD

Fork Testing plan

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