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ERC-7649 Bonding curve-embedded liquidity for NFTs

Draftrequires ERC-721

🆔 ERC-165 interface ids

Computed here as the XOR of the selectors each interface defines.

BondingCurve 0x5cf4ee91

⚙️ Functions this standard introduces (19)

`0xd1a93d18`	`buyShares(uint256)`	payable
`0x427e3618`	`buySharesTo(uint256,address)`	payable
`0xc157253d`	`getBuyPrice(uint256,uint256)`	pure
`0x08d4db14`	`getBuyPrice(uint256)`	view
`0x19224cb4`	`getBuyPriceAfterFee(uint256,uint256,uint256,uint256,uint256)`	pure
`0x6b4ed02a`	`getBuyPriceAfterFee(uint256)`	view
`0xbe74264d`	`getFeePercent()`	view
`0x5cf4ee91`	`getPrice(uint256,uint256)`	pure
`0x9477d85d`	`getSellPrice(uint256,uint256)`	pure
`0xba730e53`	`getSellPrice(uint256)`	view
`0xa58379a1`	`getSellPriceAfterFee(uint256,uint256,uint256,uint256,uint256)`	pure
`0x08f97dd8`	`getSellPriceAfterFee(uint256)`	view
`0x19786af8`	`getSharesBalance(address)`	view
`0x7573af8e`	`getSharesIssuer()`	view
`0x06ae0df9`	`getSharesSubject()`	view
`0x20357321`	`getSharesSupply()`	view
`0xbe1125b5`	`getTradeVolume()`	view
`0x4ba8ae81`	`sellShares(uint256)`
`0xd7c94230`	`sellSharesTo(uint256,address)`

⚖️ Compare with

Parsed from the canonical specification · discussion