2c:null 2d:["$","title",null,{"children":"Participant Grain Tax Withholdings Calculator | sourcecred | Observable"}] 32:T160d,viewof grainCalculator = { let options = ''; let message; for (var i = 0; i < participantList.length; i++) { options += '` ); let yearOptions = ['2021', '2020'].map( value => `` ); let form = html``; form.oninput = () => { const errs = []; // validate and process form data const account = form.user.value.length > 0 ? ledger.accountByName(form.user.value) : null; if (!account) errs.push('Enter a valid Account name.'); const unixFromDate = Date.parse(form.year.value + '-01-01'); if (!unixFromDate || Number.isNaN(unixFromDate)) errs.push('Select a valid year'); // Add a day to the parsed date so the distribution timestamp isn't excluded const unixToDate = Date.parse(parseInt(form.year.value) + 1 + '-01-01'); if (!unixToDate || Number.isNaN(unixToDate)) errs.push('Select a valid year'); if (unixFromDate === unixToDate) errs.push('Select two different dates'); if (unixFromDate > unixToDate) errs.push('From Date must precede To Date'); const proportion = parseInt(form.percent.value) * 0.01; if (errs.length > 0) { form.value = { output: md`${errs.join('\n\n')}` }; return; } const q1End = Date.parse(form.year.value + '-04-01'); const q2End = Date.parse(form.year.value + '-07-01'); const q3End = Date.parse(form.year.value + '-10-01'); const totalGrain = grainInInterval( account, distributions, proportion, unixFromDate, unixToDate ); const q1Grain = grainInInterval( account, distributions, proportion, unixFromDate, q1End ); const q2Grain = grainInInterval( account, distributions, proportion, q1End, q2End ); const q3Grain = grainInInterval( account, distributions, proportion, q2End, q3End ); const q4Grain = grainInInterval( account, distributions, proportion, q3End, unixToDate ); const quarters = [q1Grain, q2Grain, q3Grain, q4Grain]; const permalink = buildPermalink( { user: form.user.value, year: form.year.value, percent: form.percent.value }, 'https://observablehq.com/embed/@sourcecred/participant-grain-tax-withholdings-calculator?cell=title&cell=viewof+grainCalculator&cell=result' ); const lastDistributionAmount = distributions[ distributions.length - 1 ].action.distribution.allocations .map(a => { const userAllocations = a.receipts .filter(r => r.id === account.identity.id) .map(r => r.amount); return userAllocations.reduce((acc, val) => acc.plus(val), new BN(0)); }) .reduce((acc, val) => acc.plus(val), new BN(0)); const weeksLeft = 1 + Math.ceil( (unixToDate - distributions[distributions.length - 1].action.distribution .credTimestamp) / 86400000 / 7 ); const quarterlyNote = Date.now() < unixToDate ? md`A note on quarterly taxes: Your last grain distribution was **${lastDistributionAmount .div(10e17) .toFormat( 2 )}g**. If you make that amount each week for the remainder of the year, your total grain income this year will be roughly **${lastDistributionAmount .multipliedBy(weeksLeft) .plus(totalGrain.grain) .div(10e17) .toFormat(2)}g** and your quarterly estimated taxes at ${ form.percent.value }% would be roughly **${lastDistributionAmount .multipliedBy(weeksLeft) .plus(totalGrain.grain) .dividedToIntegerBy(1 / proportion) .dividedToIntegerBy(4) .div(10e17) .toFormat(2)}g**` : md``; const output = md`**${form.user.value}** has earned **${totalGrain.total}g** during **${form.year.value}**. Desired withholdings at ${form.percent.value}%: **${totalGrain.withholdings}g** ${quarterlyNote}

Permalink: ${permalink}`; // save result to Observable's default output property `value` form.value = { user: form.user.value, total: totalGrain.total, year: form.year.value, percent: form.percent.value, withholdings: totalGrain.withholdings, output }; }; form.oninput(); return form; }33:[] 30:{"id":"5126c4f9ad85667a","slug":"participant-grain-tax-withholdings-calculator","title":"Participant Grain Tax Withholdings Calculator","thumbnail":"a0a178a4fb239a817b32da199427df4038b05f9a4aa6e95e90cfa759b0b63079","access_level":"public","create_time":"$D2021-03-14T18:55:10.538Z","update_time":"$D2021-04-13T22:24:20.794Z","view_time":null,"first_public_time":"$D2021-03-14T20:03:20.420Z","fork":{"id":"9ef19e1f04f8ca4e","slug":"participant-grain-earnings-calculator","title":"Participant Grain Earnings Calculator","owner":{"id":"27d9e158ece148d0","login":"topocount","name":"Kevin Siegler"}},"stars":1,"starred":false,"owner":{"type":"team","id":"3acff855ff3da8c5","login":"sourcecred","name":"","avatar_url":"https://avatars-next.observableusercontent.com/fc35ba0228e1ac5219545bdda143a2bc13283c4f57f617cb352acc7df48f6de2","tier":"starter_2024"},"version":952,"publish_version":952,"role":null,"authored":false,"authors":[{"type":"individual","id":"d8b2df630d9bbc28","login":"blueridger","name":"Thena Seer","avatar_url":"https://avatars-next.observableusercontent.com/825e429fb341f958eb349531edcd0ad621ab96cd653f492a5b4a46022642ecc0","tier":null}],"members":[{"type":"team","id":"3acff855ff3da8c5","login":"sourcecred","name":"","avatar_url":"https://avatars-next.observableusercontent.com/fc35ba0228e1ac5219545bdda143a2bc13283c4f57f617cb352acc7df48f6de2","tier":"starter_2024","role":"editor"},{"type":"individual","id":"d8b2df630d9bbc28","login":"blueridger","name":"Thena Seer","avatar_url":"https://avatars-next.observableusercontent.com/825e429fb341f958eb349531edcd0ad621ab96cd653f492a5b4a46022642ecc0","tier":null,"role":"viewer"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"title":"Participant Grain Tax Withholdings Calculator","cells":[{"id":573,"value":"title = md`# Participant Grain Tax Withholdings Calculator\n\nFill out the form below to see roughly how much you should have saved for taxes based on your grain earnings thus far. This is not tax advice. SourceCred does not withhold for taxes. You are responsible for setting your own withholdings aside. For contributors in the US, you may also be required to pay quarterly estimated taxes.\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":577,"value":"$32","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":581,"value":"result = grainCalculator.output ? grainCalculator.output : md``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":19,"value":"ledger = loadLedger(\"sourcecred/cred\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":786,"value":"defaults = {\n const search = new URLSearchParams(location.search);\n return {\n percent: search.get('percent') || '40',\n user: search.get('user'),\n year: search.get('year')\n };\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":836,"value":"buildPermalink = (hash, base = document.baseURI) => {\n let baseURI = base;\n for (const [key, value] of Object.entries(hash)) {\n baseURI = baseURI.includes('?') ? baseURI.concat('&') : baseURI.concat('?');\n baseURI = baseURI.concat(`${key}=${value}`);\n }\n return baseURI;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":873,"value":"grainInInterval = (account, distributions, proportion, start, end) => {\n const grain = distributions\n .filter(x => {\n const timeDistributed = x.action.distribution.credTimestamp;\n return timeDistributed >= start && timeDistributed < end;\n })\n .map(x => {\n const allocations = x.action.distribution.allocations;\n return allocations.map(a => {\n const userAllocations = a.receipts\n .filter(r => r.id === account.identity.id)\n .map(r => r.amount);\n return userAllocations.reduce((acc, val) => acc.plus(val), new BN(0));\n });\n })\n .reduce((flat, val) => flat.concat(val), [])\n .reduce((acc, val) => acc.plus(val), new BN(0));\n return {\n grain,\n total: grain.div(10e17).toFormat(2),\n withholdings: grain\n .dividedToIntegerBy(1 / proportion)\n .div(10e17)\n .toFormat(2)\n };\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":495,"value":"BN = await require('bignumber.js')","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2,"value":"sc = await require(\"sourcecred@latest\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":13,"value":"async function loadLedger(repo) {\n const ledgerFile = `https://raw.githubusercontent.com/${repo}/gh-pages/data/ledger.json`;\n const ledgerRaw = await (await fetch(ledgerFile)).text();\n return sc.ledger.ledger.Ledger.parse(ledgerRaw);\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":27,"value":"G = sc.ledger.grain","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":24,"value":"// totalGrain = {\n// let totalGrain = \"0\";\n// for (const { balance } of ledger.accounts()) {\n// totalGrain = G.add(totalGrain, balance);\n// }\n// return G.format(totalGrain);\n// }","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":110,"value":"activeContributors = ledger.accounts().filter(x => x.active).length","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":52,"value":"START_TS = +new Date(\"2020-08-01\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":60,"value":"END_TS = +new Date(\"2020-09-01\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":34,"value":"distributions = {\n const logs = ledger.eventLog();\n return (\n logs\n //.filter(x => x.ledgerTimestamp < END_TS && x.ledgerTimestamp > START_TS)\n .filter(x => x.action.type === \"DISTRIBUTE_GRAIN\")\n );\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":665,"value":"lastDistribution = distributions[distributions.length - 1]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":677,"value":"lastDistributionInput = Intl.DateTimeFormat([\"se-SE\"], {\n dateStyle: \"short\"\n}).format(\n new Date(lastDistribution.action.distribution.credTimestamp + 86400000)\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":713,"value":"distributionPriorDayInput = Intl.DateTimeFormat([\"se-SE\"], {\n dateStyle: \"short\"\n}).format(new Date(lastDistribution.action.distribution.credTimestamp))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":671,"value":"firstDistribution = distributions[distributions.length - 2]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":681,"value":"firstDistributionInput = Intl.DateTimeFormat([\"se-SE\"], {\n dateStyle: \"short\"\n}).format(new Date(firstDistribution.action.distribution.credTimestamp))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":667,"value":"readableLastDistributionTime = Intl.DateTimeFormat([], {\n dateStyle: \"full\",\n timeStyle: \"short\"\n}).format(new Date(lastDistribution.ledgerTimestamp))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":719,"value":"readableDistributionRange = Intl.DateTimeFormat([], {\n dateStyle: \"full\"\n}).format(new Date(lastDistribution.ledgerTimestamp))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":114,"value":"ledger.accounts()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":39,"value":"allocations = {\n const allocs = [];\n for (const { action } of distributions) {\n const distribution = action.distribution;\n for (const alloc of distribution.allocations) {\n allocs.push(alloc);\n }\n }\n return allocs;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":138,"value":"participantList = ledger.accounts().map(a => a.identity.name)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W33","stdlib":"1","titling":"auto"}} 31:"$30:body"