#778

Committed 23 Jul 2024 01:54PM UTC coverage: 87.593% (+4.3%) from 83.289%

Build # #778

Build Type

push

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Commit Message

Run compilation in the storage layout extraction script if invoked from cli (thx @fvictorio)

Run Details

1023 of 1274 branches covered (80.3%)

Branch coverage included in aggregate %.

2987 of 3304 relevant lines covered (90.41%)

170.73 hits per line

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90.91

/contracts/modules/cover/CoverNFTDescriptor.sol

1	// SPDX-License-Identifier: GPL-3.0-only
2
3	pragma solidity ^0.8.0;
4
5	import "@openzeppelin/contracts-v4/utils/Base64.sol";
6	import "@openzeppelin/contracts-v4/utils/Strings.sol";
7	import "../../interfaces/ICover.sol";
8	import "../../interfaces/ICoverNFT.sol";
9	import "../../interfaces/ICoverNFTDescriptor.sol";
10	import "../../interfaces/ICoverProducts.sol";
11	import "../../interfaces/IERC20Detailed.sol";
12	import "../../interfaces/INXMMaster.sol";
13	import "../../interfaces/IPool.sol";
14	import "../../libraries/DateTime.sol";
15	import "../../libraries/FloatingPoint.sol";
16
17
18	contract CoverNFTDescriptor is ICoverNFTDescriptor {
19	using Strings for uint;
20	using DateTime for uint;
21
22	INXMMaster immutable public master;
23
24	struct CoverDescription {
25	string productName;
26	string assetSymbol;
27	string expiryDate;
28	uint coverAmount;
29	uint id;
30	uint decimals;
31	}
32
33	constructor(INXMMaster _master) {
34	master = _master;	12✔
35	}
36
37	function tokenURI(uint tokenId) public view returns (string memory) {
38	(string memory descriptionString, CoverDescription memory descriptionData) = generateDescription(tokenId);	5✔
39	string memory image = Base64.encode(bytes(generateSVGImage(descriptionData)));	5✔
40
41	return string(	5✔
42	abi.encodePacked(
43	"data:application/json;base64,",
44	Base64.encode(
45	bytes(
46	abi.encodePacked(
47	'{"name":"', ICoverNFT(msg.sender).name(), '",',
48	'"description":"', descriptionString, '",',
49	'"image": "',
50	'data:image/svg+xml;base64,',
51	image,
52	'"}'
53	)
54	)
55	)
56	)
57	);
58	}
59
60	function generateDescription(uint tokenId) public view returns (string memory descriptionString,
61	CoverDescription memory descriptionData) {
62	ICover cover = ICover(master.getLatestAddress("CO"));	5✔
63	ICoverProducts coverProducts = ICoverProducts(master.getLatestAddress("CP"));	5✔
64
65	if (cover.coverDataCount() < tokenId) {	5!
66	return ("This NFT does not exist", CoverDescription("", "", "", 0, 0, 0));	×
67	}
68
69	// Get cover data
70	CoverData memory coverData = cover.coverData(tokenId);	5✔
71	string memory productName = coverProducts.getProductName(coverData.productId);	5✔
72	CoverSegment memory lastSegment = cover.coverSegmentWithRemainingAmount(tokenId, cover.coverSegmentsCount(tokenId) - 1);	5✔
73
74	// Check if cover has already expired
75	string memory expiryMessage;	5✔
76	if ((lastSegment.start + lastSegment.period) <= block.timestamp) {	5✔
77	expiryMessage = "This cover NFT has already expired";	2✔
78	}
79
80	string memory expiry;	5✔
81	{	5✔
82	// Format expiry date
83	(uint year, uint month, uint day) = uint(lastSegment.start + lastSegment.period).timestampToDate();	5✔
84	expiry = string(	5✔
85	abi.encodePacked(
86	month.getMonthString(), " ", addZeroPrefix(day), " ", year.toString()
87	)
88	);
89	}
90
91	// Encode final description
92	descriptionString = string(	5✔
93	abi.encodePacked(
94	"This NFT represents a cover purchase made for: ", productName,
95	" \\nAmount Covered: ", FloatingPoint.toFloat(uint(lastSegment.amount), getAssetDecimals(coverData.coverAsset))," ", getAssetSymbol(coverData.coverAsset),
96	" \\nExpiry Date: ", expiry,
97	" \\n", expiryMessage
98	)
99	);
100
101	descriptionData = CoverDescription(	5✔
102	productName,
103	getAssetSymbol(coverData.coverAsset),
104	expiry,
105	lastSegment.amount,
106	tokenId,
107	getAssetDecimals(coverData.coverAsset)
108	);
109
110	return (descriptionString, descriptionData);	5✔
111	}
112
113	// If value is single digit, add a zero prefix
114	function addZeroPrefix(uint256 value) public pure returns (string memory) {
115	if (value < 10) {	5!
116	return string(abi.encodePacked("0", value.toString()));	×
117	}
118	return value.toString();	5✔
119	}
120
121	function getAssetDecimals(uint assetId) public view returns (uint decimals) {
122	if (assetId == 0) { return 18; }	10✔
123	IPool pool = IPool(master.getLatestAddress("P1"));	4✔
124	Asset memory asset = pool.getAsset(assetId);	4✔
125	decimals = IERC20Detailed(asset.assetAddress).decimals();	4✔
126	}
127
128	function getAssetSymbol(uint assetId) public view returns (string memory assetSymbol) {
129	if (assetId == 0) { return "ETH"; }	10✔
130	IPool pool = IPool(master.getLatestAddress("P1"));	4✔
131	Asset memory asset = pool.getAsset(assetId);	4✔
132	assetSymbol = IERC20Detailed(asset.assetAddress).symbol();	4✔
133	}
134
135	function generateSVGImage(CoverDescription memory descriptionData) public pure returns (bytes memory image) {
136
137	string memory svgData = string(abi.encodePacked(	5✔
138	'<tspan>', descriptionData.productName, '</tspan></text> <text class="cls-9" x="93%" y="40%" text-anchor="end">',
139	'<tspan>', FloatingPoint.toFloat(descriptionData.coverAmount, descriptionData.decimals), " ", descriptionData.assetSymbol, '</tspan></text>',
140	'<text class="cls-9" x="93%" y="45%" text-anchor="end"><tspan>', descriptionData.expiryDate,'</tspan></text>',
141	'<text class="cls-9" x="93%" y="50%" text-anchor="end"><tspan>', descriptionData.id.toString(),'</tspan></text> </g></svg>'
142	));
143
144	return abi.encodePacked(	5✔
145	string(
146	abi.encodePacked(
147	// Image data
148	'<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 290 500"> <defs> <style> .cls-1 { fill: none; } .cls-3 { clip-path: url(#cp1); } .cls-4 { opacity: .04; } .cls-5 { fill: #055037; } .cls-6, .cls-7, .cls-8, .cls-9 { fill: #fff; } .cls-7 { font-size: 18px; } .cls-7, .cls-8, .cls-9 { font-family: ArialMT, Arial, sans-serif; } .cls-9 { clip-path: url(#cp2); } .cls-8, .cls-9 { font-size: 13px; } </style> <clipPath id="cp1"> <rect class="cls-1" width="290" height="500" rx="32.74" ry="32.74"/> </clipPath> <clipPath id="cp2"> <rect class="cls-1" x="-382.18" y="-90" width="968.85" height="971"/> </clipPath> </defs> <g> <rect class="cls-5" y="0" width="290" height="500" rx="32.74" ry="32.74"/> <g> <path class="cls-6" d="m137.65,344.29c5.97-5.76,6.14-15.26.38-21.23s-15.26-6.14-21.23-.38-6.14,15.26-.38,21.23c5.76,5.97,15.26,6.14,21.23.38Z"/> <path class="cls-6" 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149	svgData
150	)
151	)
152	);
153	}
154	}

NexusMutual / smart-contracts / #778

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