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NFTSVG.sol
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// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.7.6;
import '@openzeppelin/contracts/utils/Strings.sol';
import '@uniswap/v3-core/contracts/libraries/BitMath.sol';
import 'base64-sol/base64.sol';
/// @title NFTSVG
/// @notice Provides a function for generating an SVG associated with a Uniswap NFT
library NFTSVG {
using Strings for uint256;
string constant curve1 = 'M1 1C41 41 105 105 145 145';
string constant curve2 = 'M1 1C33 49 97 113 145 145';
string constant curve3 = 'M1 1C33 57 89 113 145 145';
string constant curve4 = 'M1 1C25 65 81 121 145 145';
string constant curve5 = 'M1 1C17 73 73 129 145 145';
string constant curve6 = 'M1 1C9 81 65 137 145 145';
string constant curve7 = 'M1 1C1 89 57.5 145 145 145';
string constant curve8 = 'M1 1C1 97 49 145 145 145';
struct SVGParams {
string quoteToken;
string baseToken;
address poolAddress;
string quoteTokenSymbol;
string baseTokenSymbol;
string feeTier;
int24 tickLower;
int24 tickUpper;
int24 tickSpacing;
int8 overRange;
uint256 tokenId;
string color0;
string color1;
string color2;
string color3;
string x1;
string y1;
string x2;
string y2;
string x3;
string y3;
}
function generateSVG(SVGParams memory params) internal pure returns (string memory svg) {
/*
address: "0xe8ab59d3bcde16a29912de83a90eb39628cfc163",
msg: "Forged in SVG for Uniswap in 2021 by 0xe8ab59d3bcde16a29912de83a90eb39628cfc163",
sig: "0x2df0e99d9cbfec33a705d83f75666d98b22dea7c1af412c584f7d626d83f02875993df740dc87563b9c73378f8462426da572d7989de88079a382ad96c57b68d1b",
version: "2"
*/
return
string(
abi.encodePacked(
generateSVGDefs(params),
generateSVGBorderText(
params.quoteToken,
params.baseToken,
params.quoteTokenSymbol,
params.baseTokenSymbol
),
generateSVGCardMantle(params.quoteTokenSymbol, params.baseTokenSymbol, params.feeTier),
generageSvgCurve(params.tickLower, params.tickUpper, params.tickSpacing, params.overRange),
generateSVGPositionDataAndLocationCurve(
params.tokenId.toString(),
params.tickLower,
params.tickUpper
),
generateSVGRareSparkle(params.tokenId, params.poolAddress),
'</svg>'
)
);
}
function generateSVGDefs(SVGParams memory params) private pure returns (string memory svg) {
svg = string(
abi.encodePacked(
'<svg width="290" height="500" viewBox="0 0 290 500" xmlns="http://www.w3.org/2000/svg"',
" xmlns:xlink='http://www.w3.org/1999/xlink'>",
'<defs>',
'<filter id="f1"><feImage result="p0" xlink:href="data:image/svg+xml;base64,',
Base64.encode(
bytes(
abi.encodePacked(
"<svg width='290' height='500' viewBox='0 0 290 500' xmlns='http://www.w3.org/2000/svg'><rect width='290px' height='500px' fill='#",
params.color0,
"'/></svg>"
)
)
),
'"/><feImage result="p1" xlink:href="data:image/svg+xml;base64,',
Base64.encode(
bytes(
abi.encodePacked(
"<svg width='290' height='500' viewBox='0 0 290 500' xmlns='http://www.w3.org/2000/svg'><circle cx='",
params.x1,
"' cy='",
params.y1,
"' r='120px' fill='#",
params.color1,
"'/></svg>"
)
)
),
'"/><feImage result="p2" xlink:href="data:image/svg+xml;base64,',
Base64.encode(
bytes(
abi.encodePacked(
"<svg width='290' height='500' viewBox='0 0 290 500' xmlns='http://www.w3.org/2000/svg'><circle cx='",
params.x2,
"' cy='",
params.y2,
"' r='120px' fill='#",
params.color2,
"'/></svg>"
)
)
),
'" />',
'<feImage result="p3" xlink:href="data:image/svg+xml;base64,',
Base64.encode(
bytes(
abi.encodePacked(
"<svg width='290' height='500' viewBox='0 0 290 500' xmlns='http://www.w3.org/2000/svg'><circle cx='",
params.x3,
"' cy='",
params.y3,
"' r='100px' fill='#",
params.color3,
"'/></svg>"
)
)
),
'" /><feBlend mode="overlay" in="p0" in2="p1" /><feBlend mode="exclusion" in2="p2" /><feBlend mode="overlay" in2="p3" result="blendOut" /><feGaussianBlur ',
'in="blendOut" stdDeviation="42" /></filter> <clipPath id="corners"><rect width="290" height="500" rx="42" ry="42" /></clipPath>',
'<path id="text-path-a" d="M40 12 H250 A28 28 0 0 1 278 40 V460 A28 28 0 0 1 250 488 H40 A28 28 0 0 1 12 460 V40 A28 28 0 0 1 40 12 z" />',
'<path id="minimap" d="M234 444C234 457.949 242.21 463 253 463" />',
'<filter id="top-region-blur"><feGaussianBlur in="SourceGraphic" stdDeviation="24" /></filter>',
'<linearGradient id="grad-up" x1="1" x2="0" y1="1" y2="0"><stop offset="0.0" stop-color="white" stop-opacity="1" />',
'<stop offset=".9" stop-color="white" stop-opacity="0" /></linearGradient>',
'<linearGradient id="grad-down" x1="0" x2="1" y1="0" y2="1"><stop offset="0.0" stop-color="white" stop-opacity="1" /><stop offset="0.9" stop-color="white" stop-opacity="0" /></linearGradient>',
'<mask id="fade-up" maskContentUnits="objectBoundingBox"><rect width="1" height="1" fill="url(#grad-up)" /></mask>',
'<mask id="fade-down" maskContentUnits="objectBoundingBox"><rect width="1" height="1" fill="url(#grad-down)" /></mask>',
'<mask id="none" maskContentUnits="objectBoundingBox"><rect width="1" height="1" fill="white" /></mask>',
'<linearGradient id="grad-symbol"><stop offset="0.7" stop-color="white" stop-opacity="1" /><stop offset=".95" stop-color="white" stop-opacity="0" /></linearGradient>',
'<mask id="fade-symbol" maskContentUnits="userSpaceOnUse"><rect width="290px" height="200px" fill="url(#grad-symbol)" /></mask></defs>',
'<g clip-path="url(#corners)">',
'<rect fill="',
params.color0,
'" x="0px" y="0px" width="290px" height="500px" />',
'<rect style="filter: url(#f1)" x="0px" y="0px" width="290px" height="500px" />',
' <g style="filter:url(#top-region-blur); transform:scale(1.5); transform-origin:center top;">',
'<rect fill="none" x="0px" y="0px" width="290px" height="500px" />',
'<ellipse cx="50%" cy="0px" rx="180px" ry="120px" fill="#000" opacity="0.85" /></g>',
'<rect x="0" y="0" width="290" height="500" rx="42" ry="42" fill="rgba(0,0,0,0)" stroke="rgba(255,255,255,0.2)" /></g>'
)
);
}
function generateSVGBorderText(
string memory quoteToken,
string memory baseToken,
string memory quoteTokenSymbol,
string memory baseTokenSymbol
) private pure returns (string memory svg) {
svg = string(
abi.encodePacked(
'<text text-rendering="optimizeSpeed">',
'<textPath startOffset="-100%" fill="white" font-family="\'Courier New\', monospace" font-size="10px" xlink:href="#text-path-a">',
baseToken,
unicode' • ',
baseTokenSymbol,
' <animate additive="sum" attributeName="startOffset" from="0%" to="100%" begin="0s" dur="30s" repeatCount="indefinite" />',
'</textPath> <textPath startOffset="0%" fill="white" font-family="\'Courier New\', monospace" font-size="10px" xlink:href="#text-path-a">',
baseToken,
unicode' • ',
baseTokenSymbol,
' <animate additive="sum" attributeName="startOffset" from="0%" to="100%" begin="0s" dur="30s" repeatCount="indefinite" /> </textPath>',
'<textPath startOffset="50%" fill="white" font-family="\'Courier New\', monospace" font-size="10px" xlink:href="#text-path-a">',
quoteToken,
unicode' • ',
quoteTokenSymbol,
' <animate additive="sum" attributeName="startOffset" from="0%" to="100%" begin="0s" dur="30s"',
' repeatCount="indefinite" /></textPath><textPath startOffset="-50%" fill="white" font-family="\'Courier New\', monospace" font-size="10px" xlink:href="#text-path-a">',
quoteToken,
unicode' • ',
quoteTokenSymbol,
' <animate additive="sum" attributeName="startOffset" from="0%" to="100%" begin="0s" dur="30s" repeatCount="indefinite" /></textPath></text>'
)
);
}
function generateSVGCardMantle(
string memory quoteTokenSymbol,
string memory baseTokenSymbol,
string memory feeTier
) private pure returns (string memory svg) {
svg = string(
abi.encodePacked(
'<g mask="url(#fade-symbol)"><rect fill="none" x="0px" y="0px" width="290px" height="200px" /> <text y="70px" x="32px" fill="white" font-family="\'Courier New\', monospace" font-weight="200" font-size="36px">',
quoteTokenSymbol,
'/',
baseTokenSymbol,
'</text><text y="115px" x="32px" fill="white" font-family="\'Courier New\', monospace" font-weight="200" font-size="36px">',
feeTier,
'</text></g>',
'<rect x="16" y="16" width="258" height="468" rx="26" ry="26" fill="rgba(0,0,0,0)" stroke="rgba(255,255,255,0.2)" />'
)
);
}
function generageSvgCurve(
int24 tickLower,
int24 tickUpper,
int24 tickSpacing,
int8 overRange
) private pure returns (string memory svg) {
string memory fade = overRange == 1 ? '#fade-up' : overRange == -1 ? '#fade-down' : '#none';
string memory curve = getCurve(tickLower, tickUpper, tickSpacing);
svg = string(
abi.encodePacked(
'<g mask="url(',
fade,
')"',
' style="transform:translate(72px,189px)">'
'<rect x="-16px" y="-16px" width="180px" height="180px" fill="none" />'
'<path d="',
curve,
'" stroke="rgba(0,0,0,0.3)" stroke-width="32px" fill="none" stroke-linecap="round" />',
'</g><g mask="url(',
fade,
')"',
' style="transform:translate(72px,189px)">',
'<rect x="-16px" y="-16px" width="180px" height="180px" fill="none" />',
'<path d="',
curve,
'" stroke="rgba(255,255,255,1)" fill="none" stroke-linecap="round" /></g>',
generateSVGCurveCircle(overRange)
)
);
}
function getCurve(
int24 tickLower,
int24 tickUpper,
int24 tickSpacing
) internal pure returns (string memory curve) {
int24 tickRange = (tickUpper - tickLower) / tickSpacing;
if (tickRange <= 4) {
curve = curve1;
} else if (tickRange <= 8) {
curve = curve2;
} else if (tickRange <= 16) {
curve = curve3;
} else if (tickRange <= 32) {
curve = curve4;
} else if (tickRange <= 64) {
curve = curve5;
} else if (tickRange <= 128) {
curve = curve6;
} else if (tickRange <= 256) {
curve = curve7;
} else {
curve = curve8;
}
}
function generateSVGCurveCircle(int8 overRange) internal pure returns (string memory svg) {
string memory curvex1 = '73';
string memory curvey1 = '190';
string memory curvex2 = '217';
string memory curvey2 = '334';
if (overRange == 1 || overRange == -1) {
svg = string(
abi.encodePacked(
'<circle cx="',
overRange == -1 ? curvex1 : curvex2,
'px" cy="',
overRange == -1 ? curvey1 : curvey2,
'px" r="4px" fill="white" /><circle cx="',
overRange == -1 ? curvex1 : curvex2,
'px" cy="',
overRange == -1 ? curvey1 : curvey2,
'px" r="24px" fill="none" stroke="white" />'
)
);
} else {
svg = string(
abi.encodePacked(
'<circle cx="',
curvex1,
'px" cy="',
curvey1,
'px" r="4px" fill="white" />',
'<circle cx="',
curvex2,
'px" cy="',
curvey2,
'px" r="4px" fill="white" />'
)
);
}
}
function generateSVGPositionDataAndLocationCurve(
string memory tokenId,
int24 tickLower,
int24 tickUpper
) private pure returns (string memory svg) {
string memory tickLowerStr = tickToString(tickLower);
string memory tickUpperStr = tickToString(tickUpper);
uint256 str1length = bytes(tokenId).length + 4;
uint256 str2length = bytes(tickLowerStr).length + 10;
uint256 str3length = bytes(tickUpperStr).length + 10;
(string memory xCoord, string memory yCoord) = rangeLocation(tickLower, tickUpper);
svg = string(
abi.encodePacked(
' <g style="transform:translate(29px, 384px)">',
'<rect width="',
uint256(7 * (str1length + 4)).toString(),
'px" height="26px" rx="8px" ry="8px" fill="rgba(0,0,0,0.6)" />',
'<text x="12px" y="17px" font-family="\'Courier New\', monospace" font-size="12px" fill="white"><tspan fill="rgba(255,255,255,0.6)">ID: </tspan>',
tokenId,
'</text></g>',
' <g style="transform:translate(29px, 414px)">',
'<rect width="',
uint256(7 * (str2length + 4)).toString(),
'px" height="26px" rx="8px" ry="8px" fill="rgba(0,0,0,0.6)" />',
'<text x="12px" y="17px" font-family="\'Courier New\', monospace" font-size="12px" fill="white"><tspan fill="rgba(255,255,255,0.6)">Min Tick: </tspan>',
tickLowerStr,
'</text></g>',
' <g style="transform:translate(29px, 444px)">',
'<rect width="',
uint256(7 * (str3length + 4)).toString(),
'px" height="26px" rx="8px" ry="8px" fill="rgba(0,0,0,0.6)" />',
'<text x="12px" y="17px" font-family="\'Courier New\', monospace" font-size="12px" fill="white"><tspan fill="rgba(255,255,255,0.6)">Max Tick: </tspan>',
tickUpperStr,
'</text></g>'
'<g style="transform:translate(226px, 433px)">',
'<rect width="36px" height="36px" rx="8px" ry="8px" fill="none" stroke="rgba(255,255,255,0.2)" />',
'<path stroke-linecap="round" d="M8 9C8.00004 22.9494 16.2099 28 27 28" fill="none" stroke="white" />',
'<circle style="transform:translate3d(',
xCoord,
'px, ',
yCoord,
'px, 0px)" cx="0px" cy="0px" r="4px" fill="white"/></g>'
)
);
}
function tickToString(int24 tick) private pure returns (string memory) {
string memory sign = '';
if (tick < 0) {
tick = tick * -1;
sign = '-';
}
return string(abi.encodePacked(sign, uint256(tick).toString()));
}
function rangeLocation(int24 tickLower, int24 tickUpper) internal pure returns (string memory, string memory) {
int24 midPoint = (tickLower + tickUpper) / 2;
if (midPoint < -125_000) {
return ('8', '7');
} else if (midPoint < -75_000) {
return ('8', '10.5');
} else if (midPoint < -25_000) {
return ('8', '14.25');
} else if (midPoint < -5_000) {
return ('10', '18');
} else if (midPoint < 0) {
return ('11', '21');
} else if (midPoint < 5_000) {
return ('13', '23');
} else if (midPoint < 25_000) {
return ('15', '25');
} else if (midPoint < 75_000) {
return ('18', '26');
} else if (midPoint < 125_000) {
return ('21', '27');
} else {
return ('24', '27');
}
}
function generateSVGRareSparkle(uint256 tokenId, address poolAddress) private pure returns (string memory svg) {
if (isRare(tokenId, poolAddress)) {
svg = string(
abi.encodePacked(
'<g style="transform:translate(226px, 392px)"><rect width="36px" height="36px" rx="8px" ry="8px" fill="none" stroke="rgba(255,255,255,0.2)" />',
'<g><path style="transform:translate(6px,6px)" d="M12 0L12.6522 9.56587L18 1.6077L13.7819 10.2181L22.3923 6L14.4341 ',
'11.3478L24 12L14.4341 12.6522L22.3923 18L13.7819 13.7819L18 22.3923L12.6522 14.4341L12 24L11.3478 14.4341L6 22.39',
'23L10.2181 13.7819L1.6077 18L9.56587 12.6522L0 12L9.56587 11.3478L1.6077 6L10.2181 10.2181L6 1.6077L11.3478 9.56587L12 0Z" fill="white" />',
'<animateTransform attributeName="transform" type="rotate" from="0 18 18" to="360 18 18" dur="10s" repeatCount="indefinite"/></g></g>'
)
);
} else {
svg = '';
}
}
function isRare(uint256 tokenId, address poolAddress) internal pure returns (bool) {
bytes32 h = keccak256(abi.encodePacked(tokenId, poolAddress));
return uint256(h) < type(uint256).max / (1 + BitMath.mostSignificantBit(tokenId) * 2);
}
}