# FraktalNFT.sol

### Overview

\
Modified ERC-1155 contract

* The contract is upgradeable, it contrains few predefined values to prevent bugs. The predefined value (enumberable) is set for AddressSet
* Contains events like LockedSharesForTransfer and unLockedSharesForTransfer for locking and unlocking shares of NFT for transfer.
* event ItemSold defines buyer address, index used, payer’s address, revenue from the NFT sale, amount.
* Fraktionalized event defines holder’s address, minter’s address, index
* Defraktionalized event contains holder’s address, index
* MajorityValueChanged new value
* Deployment initialisation - deploys contract with creator’s address, NFT revenue address, contains initializer, calldata uri.\
  User functions:
* fractionalise NFT, must contain address where the NFT gets fractionalized, tokenId of the NFT itself. Requires tokenId, balanceOf the token-NFT itself is defined as “not owner”, fraktionalilzed, indexUsed has to contain tokeId
* defraktionalized - index has to be set to 10000 in order to defraktionalilze NFT
* if the majority of fractions value is 10000 it shows incorrect value as the owner can’t own 10000 fraktions
* the owner address is not approved to burn the NFT after it gets sold
* lockSharesTransfer - checks number of shares on the address from message sender,
* unlocks shares transfer when the item is sold
* Revenue payment contains memmory of owners addresses of the NFT, hold values of the NFT and distributes the NFT fractions between owners
* Payment splitter - distributes revenue from NFT to fraction owners
* sellItem function process transfers without value, this function is being used with non fungible transfers - NFTs
* Getter functions: getRevenue,getFraktions,getLockedShares,getLockedToTotal,getStatus,getFraktionsIndex