2b:null 2c:["$","title",null,{"children":"Sat Stack Retirement Planner | jimbo the consensualist 🃏 | Observable"}] 31:[] 2f:{"id":"b4a7bb23f74061a4","slug":"sat-stack-retirement-planner","title":"Sat Stack Retirement Planner","thumbnail":"c4fc37c49a263016d5729ec19bbfe4bc5805a473c40e145c37c6d90a500eadec","access_level":"public","create_time":"$D2020-01-07T21:44:44.953Z","update_time":"$D2022-04-22T14:54:16.575Z","view_time":null,"first_public_time":"$D2020-01-07T22:40:35.868Z","fork":{"id":"8d271c22db968ab0","slug":"form-input","title":"Form Input","owner":{"id":"8c2e47252fd4995c","login":"mbostock","name":"Mike Bostock"}},"stars":1,"starred":false,"owner":{"type":"team","id":"c59693e81648bf90","login":"jimbojw","name":"jimbo the consensualist 🃏","avatar_url":"https://avatars-next.observableusercontent.com/1f7a1307af61a3499fb9a9b09b672de153ed76d32c0e8c961b7981fe1057d50c","tier":"starter_2024"},"version":261,"publish_version":261,"role":null,"authored":false,"authors":[{"type":"individual","id":"7b1a8c8bb2eb846c","login":"jimbojw","name":"jimbo the consensualist 🃏","avatar_url":"https://avatars-next.observableusercontent.com/1f7a1307af61a3499fb9a9b09b672de153ed76d32c0e8c961b7981fe1057d50c","tier":null}],"members":[{"type":"individual","id":"7b1a8c8bb2eb846c","login":"jimbojw","name":"jimbo the consensualist 🃏","avatar_url":"https://avatars-next.observableusercontent.com/1f7a1307af61a3499fb9a9b09b672de153ed76d32c0e8c961b7981fe1057d50c","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"title":"Sat Stack Retirement Planner","cells":[{"id":0,"value":"md`# Sat Stack Retirement Planner\n\nHow much Bitcoin do you need to retire? Use this form to find out!\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":4,"value":"viewof object = form(html``)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":192,"value":"md`Based on the above assumptions, to retire you need:`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":203,"value":"md`**${d3.format('.3')(btc)}** BTC`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":208,"value":"md`At today's price, that amount of BTC would cost you roughly:`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":252,"value":"md`${d3.format('$,.3r')(currentPrice * btc)}`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":238,"value":"md`\nThe formula used in this planner assumes that you'll live forever.\nIf you live less long, then you'll have some Bitcoin left over.\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":98,"value":"md`---\n\n## Implementation Details`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":116,"value":"rate = {\n return 1 / (1 + object.apy / 100);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":190,"value":"sum = {\n return 1 / (1 - rate);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":212,"value":"btc = object.income / object.price * sum","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":244,"value":"sats = btc * 1e8","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":172,"value":"currentPrice = {\n const bpiUrl = 'https://api.coindesk.com/v1/bpi/currentprice.json';\n const {bpi} = await (await fetch(bpiUrl)).json();\n return bpi.USD.rate_float;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":8,"value":"function form(form) {\n const container = html`

${form}`;\n form.addEventListener(\"submit\", event => event.preventDefault());\n form.addEventListener(\"change\", () => container.dispatchEvent(new CustomEvent(\"input\")));\n form.addEventListener(\"input\", () => container.value = formValue(form));\n container.value = formValue(form);\n return container\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":24,"value":"function formValue(form) {\n const object = {};\n for (const input of form.elements) {\n if (input.disabled || !input.hasAttribute(\"name\")) continue;\n let value = input.value;\n switch (input.type) {\n case \"range\":\n case \"number\": {\n value = input.valueAsNumber;\n break;\n }\n case \"date\": {\n value = input.valueAsDate;\n break;\n }\n case \"radio\": {\n if (!input.checked) continue;\n break;\n }\n case \"checkbox\": {\n if (input.checked) value = true;\n else if (input.name in object) continue;\n else value = false;\n break;\n }\n case \"file\": {\n value = input.multiple ? input.files : input.files[0];\n break;\n }\n case \"select-multiple\": {\n value = Array.from(input.selectedOptions, option => option.value);\n break;\n }\n }\n object[input.name] = value;\n }\n return object;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":216,"value":"d3 = require(\"https://d3js.org/d3.v5.min.js\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"}],"files":"$W31","stdlib":"1","titling":"auto"}} 30:"$2f:body"

Desired Annual Income	$
Target Bitcoin Price to Retire	$
Projected Annual Appreciation	%