{"sources":{"AgentCard.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.30;\n\ninterface IRegistry {\n function handleOf(address who) external view returns (string memory);\n}\n\n/// @title BI Agent Card\n/// @notice 每个 .ai Agent ID 一张卡：链上 SVG、名字来自官方注册表、0.5 USDT、5% 版税。\ncontract AgentCard {\n /* ---------- 常量 ---------- */\n string public constant name = \"BI Agent Card\";\n string public constant symbol = \"BIAC\";\n uint256 public constant PRICE = 0.5 ether; // USDT 18 位\n uint256 public constant MAX_SUPPLY = 100_000;\n uint16 public constant ROYALTY_BPS = 500; // 5%\n\n IRegistry public immutable registry;\n address public immutable usdt;\n address public immutable treasury;\n address public owner;\n\n uint256 public totalSupply;\n mapping(uint256 => address) public ownerOf;\n mapping(address => uint256) public balanceOf;\n mapping(address => uint256) public cardOf; // 每个地址只能有一张（按钱包）\n mapping(address => mapping(address => bool)) public isApprovedForAll;\n mapping(uint256 => address) public getApproved;\n mapping(address => uint256) public mintedAt;\n mapping(uint256 => string) internal _handle; // tokenId → 名字（不含 .ai）\n\n event Transfer(address indexed from, address indexed to, uint256 indexed id);\n event Approval(address indexed owner, address indexed spender, uint256 indexed id);\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n event CardMinted(address indexed to, uint256 indexed id, string handle);\n event OwnershipTransferred(address indexed prev, address indexed next);\n\n error NotOwner();\n error NotAgent();\n error AlreadyMinted();\n error SoldOut();\n error NotAllowed();\n error NoCard();\n error ZeroAddress();\n\n modifier onlyOwner() {\n if (msg.sender != owner) revert NotOwner();\n _;\n }\n\n constructor(address registry_, address usdt_, address treasury_, address owner_) {\n registry = IRegistry(registry_);\n usdt = usdt_;\n treasury = treasury_;\n owner = owner_;\n emit OwnershipTransferred(address(0), owner_);\n }\n\n /* ---------- 铸造 ---------- */\n\n /// @notice 用 USDT 铸一张属于自己 .ai 名字的卡\n function mint() external returns (uint256 id) {\n if (totalSupply >= MAX_SUPPLY) revert SoldOut();\n if (cardOf[msg.sender] != 0) revert AlreadyMinted();\n\n string memory raw = registry.handleOf(msg.sender);\n if (bytes(raw).length == 0) revert NotAgent();\n if (bytes(raw).length > 32) revert NotAllowed(); // 名字过长\n string memory h = _esc(raw);\n\n // 收款：先转账后铸卡，失败即整体回滚\n if (!_pullUsdt(msg.sender, PRICE)) revert NotAllowed();\n\n id = ++totalSupply;\n cardOf[msg.sender] = id;\n ownerOf[id] = msg.sender;\n balanceOf[msg.sender] += 1;\n mintedAt[msg.sender] = block.timestamp;\n _handle[id] = _esc(h); // 存净化后的名字，tokenURI 里不会破坏 JSON/SVG\n\n emit Transfer(address(0), msg.sender, id);\n emit CardMinted(msg.sender, id, h);\n }\n\n /* ---------- 稀有度 ---------- */\n\n /// @notice 名字稀有度评分（越高越稀有）。完全由名字字符串决定，任何人都能复算。\n function scoreOf(string memory h) public pure returns (uint256 score, uint8 tier) {\n bytes memory b = bytes(h);\n uint256 n = b.length;\n if (n == 0) return (0, 0);\n\n bool onlyAlpha = true;\n uint256 repeats;\n for (uint256 i = 0; i < n; i++) {\n bytes1 c = b[i];\n if (c < 0x61 || c > 0x7A) onlyAlpha = false; // 只认小写字母\n if (i > 0 && c == b[i - 1]) repeats++;\n }\n\n // 基础分：按链上真实分布（2,224 个样本）倒推，越短越高\n if (n == 1) score = 1000;\n else if (n == 2) score = 950;\n else if (n == 3) score = 800; // 真实占比 3.0%\n else if (n == 4) score = 650; // 6.8%\n else if (n == 5) score = 500; // 10.4%\n else if (n == 6) score = 400; // 18.0%\n else if (n == 7) score = 350; // 17.3%\n else if (n == 8) score = 300; // 15.2%\n else if (n == 9) score = 240;\n else if (n == 10) score = 200;\n else score = 140;\n\n if (onlyAlpha) score += 40; // 纯字母略稀有（真实 46%）\n if (repeats > 0) score += 15;\n\n // 档位完全由长度决定，和链上真实占比对齐\n if (n <= 2) tier = 4; // Legendary ≈0.5%\n else if (n == 3) tier = 3; // Epic ≈3%\n else if (n == 4) tier = 2; // Rare ≈7%\n else if (n == 5) tier = 1; // Uncommon ≈10%\n else tier = 0; // Common ≈79%\n }\n\n function scoreOfToken(uint256 id) external view returns (uint256 score, uint8 tier) {\n return scoreOf(_handle[id]);\n }\n\n /* ---------- 元数据 ---------- */\n\n function tokenURI(uint256 id) external view returns (string memory) {\n if (ownerOf[id] == address(0)) revert NoCard();\n string memory h = _handle[id];\n (uint256 score, uint8 tier) = scoreOf(h);\n string memory svg = _svg(h, id, score, tier);\n return string.concat(\n 'data:application/json;utf8,{\"name\":\"', h, '.ai Agent Card #', _toString(id),\n '\",\"description\":\"BI Agent Card - on-chain SVG bound to a .ai Agent ID\",',\n '\"attributes\":[{\"trait_type\":\"handle\",\"value\":\"', h,\n '\"},{\"trait_type\":\"length\",\"value\":', _toString(bytes(h).length),\n '},{\"trait_type\":\"score\",\"value\":', _toString(score),\n '},{\"trait_type\":\"tier\",\"value\":', _toString(tier), '}],',\n '\"image\":\"data:image/svg+xml;base64,', _b64(bytes(svg)), '\"}'\n );\n }\n\n function handleOfToken(uint256 id) external view returns (string memory) {\n return _handle[id];\n }\n\n /* ---------- ERC-721 最小实现 ---------- */\n\n function approve(address to, uint256 id) external {\n address o = ownerOf[id];\n if (msg.sender != o && !isApprovedForAll[o][msg.sender]) revert NotAllowed();\n getApproved[id] = to;\n emit Approval(o, to, id);\n }\n\n function setApprovalForAll(address op, bool ok) external {\n isApprovedForAll[msg.sender][op] = ok;\n emit ApprovalForAll(msg.sender, op, ok);\n }\n\n function transferFrom(address from, address to, uint256 id) public {\n address o = ownerOf[id];\n if (o != from) revert NotAllowed();\n if (to == address(0)) revert ZeroAddress();\n if (msg.sender != from && !isApprovedForAll[from][msg.sender] && getApproved[id] != msg.sender) revert NotAllowed();\n\n delete getApproved[id];\n ownerOf[id] = to;\n balanceOf[from] -= 1;\n balanceOf[to] += 1;\n // cardOf 记录「这个钱包铸过哪张」，转让不改变铸造记录\n emit Transfer(from, to, id);\n }\n\n function safeTransferFrom(address from, address to, uint256 id) external {\n transferFrom(from, to, id);\n if (to.code.length > 0) {\n (bool ok, ) = to.call(abi.encodeWithSignature(\"onERC721Received(address,address,uint256,bytes)\", msg.sender, from, id, \"\"));\n require(ok, \"not accepted\");\n }\n }\n\n /* ---------- 版税 (ERC-2981) ---------- */\n\n function royaltyInfo(uint256, uint256 salePrice) external view returns (address, uint256) {\n return (treasury, salePrice * ROYALTY_BPS / 10_000);\n }\n\n function supportsInterface(bytes4 iid) external pure returns (bool) {\n return iid == 0x01ffc9a7 || iid == 0x80ac58cd || iid == 0x2a55205a || iid == 0x5b5e139f;\n }\n\n /* ---------- 管理 ---------- */\n\n function transferOwnership(address n) external onlyOwner {\n if (n == address(0)) revert ZeroAddress();\n emit OwnershipTransferred(owner, n);\n owner = n;\n }\n\n /* ---------- 内部 ---------- */\n\n function _pullUsdt(address from, uint256 amount) internal returns (bool ok) {\n (bool s, bytes memory d) = usdt.call(\n abi.encodeWithSelector(0x23b872dd, from, treasury, amount) // transferFrom(from, treasury, amount)\n );\n ok = s && (d.length == 0 || abi.decode(d, (bool)));\n }\n\n function _toString(uint256 v) internal pure returns (string memory) {\n if (v == 0) return \"0\";\n uint256 t = v;\n uint256 n;\n while (t != 0) { n++; t /= 10; }\n bytes memory b = new bytes(n);\n while (v != 0) { b[--n] = bytes1(uint8(48 + v % 10)); v /= 10; }\n return string(b);\n }\n\n function _esc(string memory s) internal pure returns (string memory) {\n bytes memory b = bytes(s);\n bytes memory out = new bytes(b.length);\n for (uint256 i = 0; i < b.length; i++) {\n bytes1 c = b[i];\n // 只允许 ASCII 字母数字与连字符，其他一律替换为 '-'\n bool ok = (c >= 0x30 && c <= 0x39) || (c >= 0x61 && c <= 0x7A) || (c >= 0x41 && c <= 0x5A) || c == 0x2D;\n out[i] = ok ? c : bytes1(0x2D);\n }\n return string(out);\n }\n\n function _svg(string memory h, uint256 id, uint256 score, uint8 tier) internal pure returns (string memory) {\n string[4] memory t = _tierColor(tier);\n string memory num = _pad3(id);\n // 金属金：多层渐变 + 斜向高光 + 双层描边（模拟车削金属卡）\n return string.concat(\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n '',\n 'AGENT ID',\n 'ONE AND ONLY',\n '',\n '',\n '',\n '', h, '',\n '', h, '',\n 'SERIAL ', num, ' / 100000',\n '', h, '.ai',\n '',\n '.ai',\n '',\n '', t[2], ' | SCORE ', _toString(score), '',\n ''\n );\n }\n\n function _tierColor(uint8 tier) internal pure returns (string[4] memory t) {\n if (tier == 4) return [\"#7A5200\", \"#5C3B00\", \"LEGENDARY\", \"0\"];\n if (tier == 3) return [\"#6B4BE0\", \"#4B2FA8\", \"EPIC\", \"0\"];\n if (tier == 2) return [\"#1E6FBF\", \"#124B84\", \"RARE\", \"0\"];\n if (tier == 1) return [\"#0E8A63\", \"#075E43\", \"UNCOMMON\", \"0\"];\n return [\"#6B7078\", \"#444A52\", \"COMMON\", \"0\"];\n }\n\n function _bigFont(uint256 n) internal pure returns (string memory) {\n if (n <= 3) return \"128\";\n if (n <= 5) return \"96\";\n if (n <= 8) return \"68\";\n return \"44\";\n }\n\n function _palette(uint8 tier) internal pure returns (string[3] memory c) {\n if (tier == 4) return [\"#FFF3C9\", \"#FFD75E\", \"#8A5B00\"]; // 金\n if (tier == 3) return [\"#EFE9FF\", \"#C9B6FF\", \"#2A1666\"]; // 紫\n if (tier == 2) return [\"#DDF1FF\", \"#8FD3FF\", \"#08325C\"]; // 蓝\n if (tier == 1) return [\"#DFFBF0\", \"#A8F0D0\", \"#04402F\"]; // 青\n return [\"#F2F4F7\", \"#D8DCE3\", \"#2B2F36\"]; // 银\n }\n\n function _pad3(uint256 v) internal pure returns (string memory) {\n string memory s = _toString(v);\n bytes memory b = bytes(s);\n if (b.length == 1) return string.concat(\"00\", s);\n if (b.length == 2) return string.concat(\"0\", s);\n return s;\n }\n\n /// @dev base64 编码（标准表），供 data URI 使用\n function _b64(bytes memory data) internal pure returns (string memory) {\n bytes memory T = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n uint256 len = data.length;\n if (len == 0) return \"\";\n uint256 enc = 4 * ((len + 2) / 3);\n bytes memory out = new bytes(enc);\n uint256 i;\n uint256 j;\n for (; i + 3 <= len; i += 3) {\n uint256 n = (uint256(uint8(data[i])) << 16) | (uint256(uint8(data[i + 1])) << 8) | uint256(uint8(data[i + 2]));\n out[j++] = T[(n >> 18) & 63];\n out[j++] = T[(n >> 12) & 63];\n out[j++] = T[(n >> 6) & 63];\n out[j++] = T[n & 63];\n }\n if (len - i == 1) {\n uint256 n = uint256(uint8(data[i])) << 16;\n out[j++] = T[(n >> 18) & 63];\n out[j++] = T[(n >> 12) & 63];\n out[j++] = \"=\";\n out[j++] = \"=\";\n } else if (len - i == 2) {\n uint256 n = (uint256(uint8(data[i])) << 16) | (uint256(uint8(data[i + 1])) << 8);\n out[j++] = T[(n >> 18) & 63];\n out[j++] = T[(n >> 12) & 63];\n out[j++] = T[(n >> 6) & 63];\n out[j++] = \"=\";\n }\n return string(out);\n }\n}\n"}},"abi":[{"type":"constructor","inputs":[{"name":"registry_","type":"address","internalType":"address"},{"name":"usdt_","type":"address","internalType":"address"},{"name":"treasury_","type":"address","internalType":"address"},{"name":"owner_","type":"address","internalType":"address"}],"stateMutability":"nonpayable"},{"name":"AlreadyMinted","type":"error","inputs":[]},{"name":"NoCard","type":"error","inputs":[]},{"name":"NotAgent","type":"error","inputs":[]},{"name":"NotAllowed","type":"error","inputs":[]},{"name":"NotOwner","type":"error","inputs":[]},{"name":"SoldOut","type":"error","inputs":[]},{"name":"ZeroAddress","type":"error","inputs":[]},{"name":"Approval","type":"event","inputs":[{"name":"owner","type":"address","indexed":true,"internalType":"address"},{"name":"spender","type":"address","indexed":true,"internalType":"address"},{"name":"id","type":"uint256","indexed":true,"internalType":"uint256"}],"anonymous":false},{"name":"ApprovalForAll","type":"event","inputs":[{"name":"owner","type":"address","indexed":true,"internalType":"address"},{"name":"operator","type":"address","indexed":true,"internalType":"address"},{"name":"approved","type":"bool","indexed":false,"internalType":"bool"}],"anonymous":false},{"name":"CardMinted","type":"event","inputs":[{"name":"to","type":"address","indexed":true,"internalType":"address"},{"name":"id","type":"uint256","indexed":true,"internalType":"uint256"},{"name":"handle","type":"string","indexed":false,"internalType":"string"}],"anonymous":false},{"name":"OwnershipTransferred","type":"event","inputs":[{"name":"prev","type":"address","indexed":true,"internalType":"address"},{"name":"next","type":"address","indexed":true,"internalType":"address"}],"anonymous":false},{"name":"Transfer","type":"event","inputs":[{"name":"from","type":"address","indexed":true,"internalType":"address"},{"name":"to","type":"address","indexed":true,"internalType":"address"},{"name":"id","type":"uint256","indexed":true,"internalType":"uint256"}],"anonymous":false},{"name":"MAX_SUPPLY","type":"function","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"PRICE","type":"function","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"ROYALTY_BPS","type":"function","inputs":[],"outputs":[{"name":"","type":"uint16","internalType":"uint16"}],"stateMutability":"view"},{"name":"approve","type":"function","inputs":[{"name":"to","type":"address","internalType":"address"},{"name":"id","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"nonpayable"},{"name":"balanceOf","type":"function","inputs":[{"name":"","type":"address","internalType":"address"}],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"cardOf","type":"function","inputs":[{"name":"","type":"address","internalType":"address"}],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"getApproved","type":"function","inputs":[{"name":"","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"address","internalType":"address"}],"stateMutability":"view"},{"name":"handleOfToken","type":"function","inputs":[{"name":"id","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"string","internalType":"string"}],"stateMutability":"view"},{"name":"isApprovedForAll","type":"function","inputs":[{"name":"","type":"address","internalType":"address"},{"name":"","type":"address","internalType":"address"}],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"view"},{"name":"mint","type":"function","inputs":[],"outputs":[{"name":"id","type":"uint256","internalType":"uint256"}],"stateMutability":"nonpayable"},{"name":"mintedAt","type":"function","inputs":[{"name":"","type":"address","internalType":"address"}],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"name","type":"function","inputs":[],"outputs":[{"name":"","type":"string","internalType":"string"}],"stateMutability":"view"},{"name":"owner","type":"function","inputs":[],"outputs":[{"name":"","type":"address","internalType":"address"}],"stateMutability":"view"},{"name":"ownerOf","type":"function","inputs":[{"name":"","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"address","internalType":"address"}],"stateMutability":"view"},{"name":"registry","type":"function","inputs":[],"outputs":[{"name":"","type":"address","internalType":"contract IRegistry"}],"stateMutability":"view"},{"name":"royaltyInfo","type":"function","inputs":[{"name":"","type":"uint256","internalType":"uint256"},{"name":"salePrice","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"address","internalType":"address"},{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"safeTransferFrom","type":"function","inputs":[{"name":"from","type":"address","internalType":"address"},{"name":"to","type":"address","internalType":"address"},{"name":"id","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"nonpayable"},{"name":"scoreOf","type":"function","inputs":[{"name":"h","type":"string","internalType":"string"}],"outputs":[{"name":"score","type":"uint256","internalType":"uint256"},{"name":"tier","type":"uint8","internalType":"uint8"}],"stateMutability":"pure"},{"name":"scoreOfToken","type":"function","inputs":[{"name":"id","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"score","type":"uint256","internalType":"uint256"},{"name":"tier","type":"uint8","internalType":"uint8"}],"stateMutability":"view"},{"name":"setApprovalForAll","type":"function","inputs":[{"name":"op","type":"address","internalType":"address"},{"name":"ok","type":"bool","internalType":"bool"}],"outputs":[],"stateMutability":"nonpayable"},{"name":"supportsInterface","type":"function","inputs":[{"name":"iid","type":"bytes4","internalType":"bytes4"}],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"pure"},{"name":"symbol","type":"function","inputs":[],"outputs":[{"name":"","type":"string","internalType":"string"}],"stateMutability":"view"},{"name":"tokenURI","type":"function","inputs":[{"name":"id","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"string","internalType":"string"}],"stateMutability":"view"},{"name":"totalSupply","type":"function","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"transferFrom","type":"function","inputs":[{"name":"from","type":"address","internalType":"address"},{"name":"to","type":"address","internalType":"address"},{"name":"id","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"nonpayable"},{"name":"transferOwnership","type":"function","inputs":[{"name":"n","type":"address","internalType":"address"}],"outputs":[],"stateMutability":"nonpayable"},{"name":"treasury","type":"function","inputs":[],"outputs":[{"name":"","type":"address","internalType":"address"}],"stateMutability":"view"},{"name":"usdt","type":"function","inputs":[],"outputs":[{"name":"","type":"address","internalType":"address"}],"stateMutability":"view"}],"matchId":"57657525","creationMatch":"exact_match","runtimeMatch":"exact_match","verifiedAt":"2026-10-30T09:03:43Z","match":"exact_match","chainId":"56","address":"0x94935BE84A6899b7e0454d6628a41f76a2660D25"}