2022 UW Blockchain Case Hack

UW Registration with NFTs

The smart contracts were deployed in the Goerli testnet

Non Upgradeable Versions
"Owner": "0x2391EeCb0D2eBB8ef165477beB3b9BdFFE8E6b9d"

"UWID": "0xA334C78Ce1c3a7DC5623e631b57aa3dCCd0A1616"

"UWMajor(CSE)": "0xa80ab75013F6fc52d038FE9f0A335a6CbD3Dc9FF"

"UWClasses": "0xF2D8ffE5D1EfeCD4B52b57b7B6c0f632d6CBd5F6"



Upgradeables

"UWIDUpgradeable": "0xe663D1CecBe90ac21C2C48f2A899E074346De249"

"UWIDProxy": "0x79501Fa56f03aE369B97d2D2f9AE793423DBD503"

"UWMajorUpgradeable": "0xcA34087565DEbeB2E973275A523561Ab7b833788"

"UWCSEProxy": "0xF3685c462Fe7EB93147d00B29F300dfF667df3e4"

"UWClassesUpgradeable": "0x9375feAa03E0b68152E9Cb831B38C1C072257861"

"UWClassesProxy": "0x89c3AdF6919159F64a0c6250bAc0f6516E06eeDe"

"UWArchiveUpgradeable": "0xcb33B71d286eC0b268021d57B3B592D15f50895c"

"UWArchiveProxy": "0xdFa44150e6bc2F6aE83E1314512BCF22F1406846"

UWID(ERC-721)

• The token id represents the student number.
• The minting and burning are done by the contract owner, which is UW.
• Only one UWID can be owned per account.
• Transferring is not allowed.

UWMajor(ERC-721)

• This NFT represents the UW majors.
• It can only be minted to accounts that own the UWID NFT.
• When minted, the token ID is set to the same token ID of UWID. The minting and burning are done by the contract owner, which is UW.
• The token name and symbol represent the major name and the abbreviation. Ex) token name: University of Washington Computer Science token symbol: UWCSE
• Transferring is not allowed.
• Can only own one NFT of the same major.

UWClasses(ERC-1155)

• The token ID represents the class SLN.
• Student accounts that own the UWID NFT are only allowed to register(mint) and drop(burn) classes.
• Some classes require the account to own a specific UWMajor NFT.
• Transferring is allowed.
• Registration periods, major restrictions, class availability, time conflicts, and credit limits are implemented.
• The uri function shows the class information on the UW time schedule page.

UWArchive(ERC-1155)

• An NFT to keep track of classes taken so far.
• The token ID represents the course ID.
• Student accounts that own the UWID NFT are only allowed to archive(mint) classes.
• Transferring is not allowed.