Investor NFTs
Last updated
Last updated
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId,
uint256 batchSize
) internal virtual override {
// Only allow minting (from = 0) and burning (to = 0)
if (from != address(0) && to != address(0)) {
revert SoulBoundToken();
}
}mapping(uint256 => uint256) public investmentAmount;
mapping(uint256 => uint256) public investmentDate;
mapping(uint256 => uint8) public investorSubtier;event [Tier]Minted(
address indexed investor,
uint256 indexed tokenId,
uint256 investmentAmount,
uint8 subtier
);
event SubtierUpgraded(
uint256 indexed tokenId,
uint8 oldSubtier,
uint8 newSubtier
);{
"name": "Built By DAO Angel Investor #1234",
"description": "Angel-tier investor in Built By DAO",
"image": "ipfs://[hash]/angel-3.png",
"attributes": [
{
"trait_type": "Tier",
"value": "Angel"
},
{
"trait_type": "Subtier",
"value": "3"
},
{
"trait_type": "Investment Date",
"display_type": "date",
"value": 1704067200
},
{
"trait_type": "Governance Multiplier",
"value": "2.2x"
}
]
}{
"name": "Built By DAO Trust Investor #56789",
"description": "Trust-tier strategic investor",
"image": "ipfs://[hash]/trust-3.png",
"animation_url": "ipfs://[hash]/trust-animated.mp4",
"attributes": [
{
"trait_type": "Tier",
"value": "Trust"
},
{
"trait_type": "Subtier",
"value": "3"
},
{
"trait_type": "Governance Multiplier",
"value": "5.0x (Maximum)"
},
{
"trait_type": "Board Status",
"value": "Full Member"
},
{
"trait_type": "Committees",
"value": "Finance, Strategy"
},
{
"trait_type": "Strategic Partner",
"value": "Major Strategic Partner"
}
]
}