Bitcoin Shrooms
Inscription #715
OvO Owls July 11th, 2023 The world's first fair mint PFP collection derived solely from text based inscriptions. Motivation With no "team" or social media accounts behind the OvO Owls project, the motivation is to simply have fun and build community. The advent of Ordinal Theory created a paradigm shift in Bitcoin and has birthed something all bitcoiners have been dreaming of -- an "on-chain economy". OvO Owls is an experiment as much as it is a collection with all communications related to the project being done 100% on-chain. Protocol There are a total of 4,096 possible OvO Owls, corresponding to all the potential 3-digit hexadecimal colors. Each OvO mint number corresponds to a unique hexadecimal color, ensuring adherence to accessibility standards with a 4.5 color contrast ratio. It is a fair mint, and initial ownership follows the "first-is-first" principle. Once the collection is fully minted, all valid inscription IDs will be gathered and submitted to various ordinal marketplaces for trading. Minting an OvO is a straightforward process that involves using the .ovo naming convention. The first inscriptions witnessed, ranging from 0.ovo to 4095.ovo, will be deemed valid. Viewing Your OvO Owl To view and download your OvO, access at https://ordinals.com/content/ac0af86b42308f873f545602ea2b9c06c1b876013c4bf6b622b13615f702db99i0 or execute the provided HTML code below. <!DOCTYPE html> <html> <head> <style> .centered { position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%); } .container { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 100vw; } .ovo { display: flex; flex-direction: column; width: 15rem; height: 15rem; align-items: center; justify-content: center; } .text { font-family: "Courier New", Courier, monospace; font-size: 2rem; } textarea:focus, input:focus { outline: none; } </style> </head> <script> setTimeout(() => (document.getElementById("download").hidden = true), 1); // Generate a list of all possible 3 digit hex codes const generateAllHexCodes = () => { const hexCodes = []; for (let i = 0; i < 4096; i++) { const hexCode = i.toString(16).padStart(3, "0"); hexCodes.push(hexCode); } return hexCodes; }; // Create random value const createRandomGenerator = (seed) => { let currentSeed = seed; return () => { const x = Math.sin(currentSeed++) * 10000; return x - Math.floor(x); }; }; // Shuffle the hex codes in a consistent way const shuffleHexCodes = () => { const hexCodes = generateAllHexCodes(); // Set a fixed random seed for consistent shuffling const seed = 1234; const random = createRandomGenerator(seed); for (let i = hexCodes.length - 1; i > 0; i--) { const j = Math.floor(random() * (i + 1)); [hexCodes[i], hexCodes[j]] = [hexCodes[j], hexCodes[i]]; } return hexCodes; }; const updateOvo = (inputValue) => { const el = document.getElementById("error"); if (inputValue < 0 || inputValue > 4095) { el.innerHTML = "You must enter a value 0 - 4095"; document.getElementById("download").hidden = true; return; } el.innerHTML = ""; document.getElementById("download").hidden = false; document.getElementById("input").value = inputValue; const hex3 = inputValue ? shuffleHexCodes()[inputValue] : "fff"; const isDark = inputValue === "" ? true : isAccessibleOnDark(hex3); const ovo = document.getElementById("ovoSvg"); const bkg = ovo.getElementsByClassName("bkg"); const border = ovo.getElementsByClassName("border"); const face = ovo.getElementsByClassName("face"); for (let i = 0; i < bkg.length; i++) { bkg[i].style.fill = isDark ? "#000" : "#fff"; } for (let i = 0; i < border.length; i++) { border[i].style.fill = isDark ? "#333" : "ddd"; } for (let i = 0; i < face.length; i++) { face[i].style.fill = `#${hex3}`; } if (inputValue === "") { document.getElementById("download").hidden = true; } }; const convertSvgToImage = () => { const svg = document.querySelector("#ovoSvg"); const canvas = document.createElement("canvas"); const ctx = canvas.getContext("2d"); const svgData = new XMLSerializer().serializeToString(svg); const img = new Image(); img.onload = function () { canvas.width = 1024; canvas.height = 1024; ctx.drawImage(img, 0, 0); const dataURL = canvas.toDataURL("image/png"); // Create a temporary link and trigger the download const link = document.createElement("a"); link.href = dataURL; link.download = `ovo_${document.getElementById("input").value}.png`; link.click(); }; img.src = "data:image/svg+xml;base64," + btoa(svgData); }; // Calculate relative luminance of the colors const getRelativeLuminance = (hex) => { const normalizedHex = hex.length === 3 ? hex + hex : hex; const [r, g, b] = [0, 2, 4].map((start) => parseInt(normalizedHex.slice(start, start + 2), 16) ); const rsrgb = r / 255; const gsrgb = g / 255; const bsrgb = b / 255; const rl = rsrgb <= 0.03928 ? rsrgb / 12.92 : ((rsrgb + 0.055) / 1.055) ** 2.4; const gl = gsrgb <= 0.03928 ? gsrgb / 12.92 : ((gsrgb + 0.055) / 1.055) ** 2.4; const bl = bsrgb <= 0.03928 ? bsrgb / 12.92 : ((bsrgb + 0.055) / 1.055) ** 2.4; return 0.2126 * rl + 0.7152 * gl + 0.0722 * bl; }; // Determine if the hex is accessible on a dark background. const isAccessibleOnDark = (colorHex) => { const color = colorHex.replace("#", ""); const backgroundHex = "000000"; // Calculate the contrast ratio const contrast = (getRelativeLuminance(color) + 0.05) / (getRelativeLuminance(backgroundHex) + 0.05); // Check if the contrast ratio passes accessibility return contrast >= 4.5; }; </script> <body> <div class="centered"> <div class="container"> <div class="ovo"> <svg id="ovoSvg" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 308.2 308.2" style="enable-background: new 0 0 308.2 308.2" xml:space="preserve" > <style type="text/css"> .bkg { fill: #000; } .border { fill: #333; } .face { fill: #fff; } </style> <g> <path class="bkg" d="M83,130.7c-7.3,1.2-13.2,5.8-16.8,12.9c-1.7,3.4-2.4,5.7-3.1,9.9c-1,6.1-0.5,12.8,1.5,18.6 c1.2,3.7,2.6,6.1,5.1,9.1c4.3,5.2,9.7,8.1,15.7,8.4c8.7,0.5,16.6-3.3,21.2-10.2c1.7-2.6,3.7-7.5,4.3-10.8c0.7-3.5,0.7-11.1,0-14.7 C107.8,138,96.3,128.5,83,130.7z" /> <path class="bkg" d="M225.1,130.9c-3-0.7-7.7-0.7-10.4,0.1c-7.5,2.2-13.4,7.8-16.5,15.9c-2.9,7.4-2.7,18.7,0.4,26.1 c2.7,6.4,6.8,11.4,11.4,14c8.6,4.7,20.1,3,27.2-4.1c2-2,2.8-3.2,4.2-6c2.9-5.9,3.3-8.1,3.4-15.6c0-5.4-0.1-6.8-0.8-9.5 C241.1,140.5,234.4,133.1,225.1,130.9z" /> <path class="bkg" d="M286.6,98.1c-7.2-17.1-17.6-32.5-30.8-45.7c-13.2-13.2-28.6-23.6-45.7-30.8c-17.7-7.5-36.5-11.3-56-11.3 s-38.2,3.8-56,11.3c-17.1,7.2-32.5,17.6-45.7,30.8C39.2,65.6,28.8,81,21.6,98.1c-7.5,17.7-11.3,36.5-11.3,56s3.8,38.2,11.3,56 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id="input" type="number" style=" background-color: #eee; border: 1px solid #000; border-radius: 0.25rem; margin-bottom: 1rem; width: 25%; max-width: 20rem; height: 2rem; " oninput="updateOvo(this.value)" /> <p id="error" class="text" style=" font-size: 1rem; font-weight: 600; color: red; margin: 0 0 1rem 0; " ></p> <button id="download" onclick="convertSvgToImage()" style=" font-family: 'Courier New', Courier, monospace; font-size: 1.25rem; width: 15%; height: 2rem; border-radius: 0.25rem; color: #fff; background-color: #000; cursor: pointer; " > Download </button> </div> </div> </body> </html>
Inscription #16466451
ID
9921bed983...7559a411i0
Detail
History
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