commit 0c7e6ac609b37895ab0a6e9825d40fdd4ea9621d
Author: Matt Hill <matthewonthemoon@gmail.com>
Date:   Sat Jul 1 17:33:43 2023 -0600

    initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b542593
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+node_modules
+.DS_Store
+*.csv
+*.pdf
+!2022-f8949.pdf
\ No newline at end of file
diff --git a/2022-f8949.pdf b/2022-f8949.pdf
new file mode 100644
index 0000000..34995ab
Binary files /dev/null and b/2022-f8949.pdf differ
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/fifo/index.js b/fifo/index.js
new file mode 100644
index 0000000..8b944b6
--- /dev/null
+++ b/fifo/index.js
@@ -0,0 +1,113 @@
+const csvToJson = require('convert-csv-to-json')
+const converter = require('json-2-csv')
+const fs = require('fs')
+const BN = require('bignumber.js')
+
+const txs = csvToJson.fieldDelimiter(',').getJsonFromCsv(`../Ledger.csv`)
+let utxos = []
+let dispositions = []
+
+const handleBuy = (tx, i) => {
+  const { Date: date, Asset, Received, Price } = tx
+  utxos.push({
+    Date: date,
+    Id: i,
+    Asset,
+    Amount: Received,
+    Price,
+    Remaining: new BN(Received),
+  })
+}
+
+const createDisposition = (tx, utxo, amount) => {
+  const st = new Date(tx.Date).valueOf() - new Date(utxo.Date).valueOf() < 31556926000
+  const costBasis = amount.times(utxo.Price)
+  const proceeds =  amount.times(tx.Price)
+  const gainLoss = proceeds.minus(costBasis)
+  const disposition = {
+    Date: tx.Date,
+    Asset: tx.Asset,
+    Utxo: utxo.Id,
+    Amount: amount.toFixed(8),
+    PurchasePrice: utxo.Price,
+    DateAcquired: utxo.Date,
+    SalePrice: tx.Price,
+    CostBasis: costBasis.toFixed(2),
+    Proceeds: proceeds.toFixed(2),
+    GainLoss: gainLoss.toFixed(2),
+    ShortTerm: st ? 'true' : '',
+    Tax: gainLoss.gt(0) ? gainLoss.times(st ? .24 : .15).toFixed(2) : 0
+  }
+  dispositions.push(disposition)
+}
+
+const consumeUtxos = (tx) => {
+	for (let i = 0; i < utxos.length; i++) {
+    let utxo = utxos[i]
+
+    if (!utxo) {
+      console.error(`WARNING: No utxo available! Assuming $0 cost basis:\n-Date:${tx.Date}\n-Asset: ${tx.Asset}\n-Sent: ${tx.Sent}\n-Remaining: ${tx.Remaining.toFixed(8)}\n`)
+      utxo = {
+        Date: '2017-01-01',
+        Id: -1,
+        Asset: tx.Asset,
+        Amount: tx.Remaining.toFixed(8),
+        Price: '0',
+        Remaining: tx.Remaining,
+      }
+    }
+
+		if (utxo.Asset !== tx.Asset || utxo.Remaining.isZero()) continue
+
+    if (utxo.Remaining.gte(tx.Remaining)) {
+      createDisposition(tx, utxo, tx.Remaining)
+      utxo.Remaining = utxo.Remaining.minus(tx.Remaining)
+      return
+		} else {
+      createDisposition(tx, utxo, utxo.Remaining)
+      tx.Remaining = tx.Remaining.minus(utxo.Remaining)
+			utxo.Remaining = new BN(0)
+			return consumeUtxos(tx)
+		}
+	}
+}
+
+txs.forEach((tx, i) => {
+  if (tx.Received) return handleBuy(tx, i)
+  tx.Remaining = new BN(tx.Sent)
+  return consumeUtxos(tx)
+})
+
+let balances = utxos.reduce((prev,  curr) => {
+  const asset = curr.Asset
+  if (prev[asset]) {
+    prev[asset] = prev[asset].plus(curr.Remaining)
+  } else {
+    prev[asset] = curr.Remaining
+  }
+  return prev
+}, {})
+
+utxos = utxos.map(u => ({
+  ...u,
+  Remaining: u.Remaining.toFixed(8),
+}))
+
+balances = Object.keys(balances)
+  .filter(asset => !balances[asset].isZero())
+  .map(asset => ({
+    Asset: asset,
+    balance: balances[asset].toFixed(8)
+  }))
+
+converter.json2csv(utxos).then(csv =>
+	fs.appendFileSync(`./utxos.csv`, csv)
+)
+
+converter.json2csv(dispositions).then(csv =>
+	fs.appendFileSync(`./dispositions.csv`, csv)
+)
+
+converter.json2csv(balances).then(csv =>
+	fs.appendFileSync(`./balances.csv`, csv)
+)
diff --git a/hifo/index.js b/hifo/index.js
new file mode 100644
index 0000000..40964a7
--- /dev/null
+++ b/hifo/index.js
@@ -0,0 +1,228 @@
+const csvToJson = require('convert-csv-to-json')
+const converter = require('json-2-csv')
+const fs = require('fs')
+const BN = require('bignumber.js')
+const { PDFDocument } = require('pdf-lib')
+
+const txs = csvToJson.fieldDelimiter(',').getJsonFromCsv(`../Ledger.csv`)
+let utxos = []
+let dispositions = []
+
+const handleBuy = (tx, i) => {
+  const { Date: date, Asset, Received, Price } = tx
+  utxos.push({
+    Date: date,
+    Id: i,
+    Asset,
+    Amount: Received,
+    Price,
+    Remaining: new BN(Received),
+  })
+}
+
+const createDisposition = (tx, utxo, amount, st) => {
+  const costBasis = amount.times(utxo.Price)
+  const proceeds =  amount.times(tx.Price)
+  const gainLoss = proceeds.minus(costBasis)
+  return {
+    Date: tx.Date,
+    Asset: tx.Asset,
+    Utxo: utxo.Id,
+    Amount: amount.toFixed(8),
+    PurchasePrice: utxo.Price,
+    DateAcquired: utxo.Date,
+    SalePrice: tx.Price,
+    CostBasis: costBasis.toFixed(2),
+    Proceeds: proceeds.toFixed(2),
+    GainLoss: gainLoss.toFixed(2),
+    ShortTerm: st ? 'true' : '',
+    Tax: gainLoss.gt(0) ? gainLoss.times(st ? .24 : .15).toFixed(2) : 0
+  }
+}
+
+const consumeUtxos = (tx) => {
+  const copy = []
+  for (i = 0; i < utxos.length; i++) {
+    copy[i] = utxos[i];
+  }
+
+  const sorted = copy
+    .filter(utxo => utxo.Asset === tx.Asset && !utxo.Remaining.isZero())
+    .sort((a, b) => new BN(b.Price).minus(a.Price).toNumber())
+
+  const txDate = new Date(tx.Date).valueOf()
+
+  const stUtxo = sorted.find(utxo => txDate - new Date(utxo.Date).valueOf() < 31556926000)
+  const ltUtxo = sorted.find(utxo => txDate - new Date(utxo.Date).valueOf() >= 31556926000)
+
+  // find the best utxo
+  let utxo
+  // decide st vs lt
+  let st
+
+  if (!stUtxo && !ltUtxo) {
+    console.error(`WARNING: No utxo available! Assuming $0 cost basis:\n-Date:${tx.Date}\n-Asset: ${tx.Asset}\n-Sent: ${tx.Sent}\n-Remaining: ${tx.Remaining.toFixed(8)}\n`)
+    utxo = {
+      Date: '2017-01-01T12:00:00',
+      Id: -1,
+      Asset: tx.Asset,
+      Amount: tx.Remaining.toFixed(8),
+      Price: '0',
+      Remaining: tx.Remaining,
+    }
+  } else if (!stUtxo) {
+    utxo = utxos.find(u => u.Id === ltUtxo.Id)
+    st = false
+  } else if (!ltUtxo) {
+    utxo = utxos.find(u => u.Id === stUtxo.Id)
+    st = true
+  } else {
+    const { Tax: stTax } = getProvisional(tx, stUtxo, true)
+    const { Tax: ltTax } = getProvisional(tx, ltUtxo, false)
+
+    if (new BN(stTax).lt(ltTax)) {
+      utxo = utxos.find(u => u.Id === stUtxo.Id)
+      st = true
+    } else {
+      utxo = utxos.find(u => u.Id === ltUtxo.Id)
+      st = false
+    }
+  }
+
+  if (utxo.Remaining.gte(tx.Remaining)) {
+    const disposition = createDisposition(tx, utxo, tx.Remaining, st)
+    dispositions.push(disposition)
+    utxo.Remaining = utxo.Remaining.minus(tx.Remaining)
+  } else {
+    const disposition = createDisposition(tx, utxo, utxo.Remaining, st)
+    dispositions.push(disposition)
+    tx.Remaining = tx.Remaining.minus(utxo.Remaining)
+    utxo.Remaining = new BN(0)
+    consumeUtxos(tx)
+  }
+}
+
+const getProvisional = (tx, utxo, st) => {
+  if (utxo.Remaining.gte(tx.Remaining)) {
+    return createDisposition(tx, utxo, tx.Remaining, st)
+  } else {
+    return createDisposition(tx, utxo, utxo.Remaining, st)
+  }
+}
+
+txs.forEach((tx, i) => {
+  if (tx.Received) return handleBuy(tx, i)
+  tx.Remaining = new BN(tx.Sent)
+  return consumeUtxos(tx)
+})
+
+let balances = utxos.reduce((prev,  curr) => {
+  const asset = curr.Asset
+  if (prev[asset]) {
+    prev[asset] = prev[asset].plus(curr.Remaining)
+  } else {
+    prev[asset] = curr.Remaining
+  }
+  return prev
+}, {})
+
+utxos = utxos.map(u => ({
+  ...u,
+  Remaining: u.Remaining.toFixed(8),
+}))
+
+balances = Object.keys(balances)
+  .filter(asset => !balances[asset].isZero())
+  .map(asset => ({
+    Asset: asset,
+    balance: balances[asset].toFixed(8)
+  }))
+
+converter.json2csv(dispositions).then(csv =>
+	fs.appendFileSync(`./dispositions.csv`, csv)
+)
+
+converter.json2csv(balances).then(csv =>
+	fs.appendFileSync(`./balances.csv`, csv)
+)
+
+converter.json2csv(utxos).then(csv =>
+	fs.appendFileSync(`./utxos.csv`, csv)
+)
+
+// **** 8949 ****
+
+const getDate = (date) => {
+  const dateObj = new Date(date)
+  const month = dateObj.getMonth() + 1
+  const day = dateObj.getDate()
+  const year = dateObj.getFullYear()
+
+  return month + "/" + day + "/" + year;
+}
+
+const fillFormRows = (form, page, disposition, i) => {
+  const dateAcquired = getDate(disposition.DateAcquired)
+  const dateSold = getDate(disposition.Date)
+
+  const name = `topmostSubform[0].Page${page}[0].Table_Line1[0].Row${i + 1}[0].f${page}_`
+  form.getTextField(`${name}${i * 8 + 3}[0]`).setText(disposition.Asset)
+  form.getTextField(`${name}${i * 8 + 4}[0]`).setText(dateAcquired)
+  form.getTextField(`${name}${i * 8 + 5}[0]`).setText(dateSold)
+  form.getTextField(`${name}${i * 8 + 6}[0]`).setText(disposition.Proceeds.toString())
+  form.getTextField(`${name}${i * 8 + 7}[0]`).setText(disposition.CostBasis.toString())
+  form.getTextField(`${name}${i * 8 + 10}[0]`).setText(disposition.GainLoss.toString())
+}
+
+const fillFormTotals = (form, page, proceeds, basis) => {
+  form.getTextField(`topmostSubform[0].Page${page}[0].f${page}_115[0]`).setText(proceeds.toFixed(2))
+  form.getTextField(`topmostSubform[0].Page${page}[0].f${page}_116[0]`).setText(basis.toFixed(2))
+  form.getTextField(`topmostSubform[0].Page${page}[0].f${page}_119[0]`).setText(proceeds.minus(basis).toFixed(2))
+}
+
+const createPDF = async () => {
+  const pdfDoc = await PDFDocument.create()
+  
+  const stDispositions = dispositions.filter(d => d.ShortTerm)
+  const ltDispositions = dispositions.filter(d => !d.ShortTerm)
+  
+  const maxTxs = Math.max(stDispositions.length, ltDispositions.length)
+  const numPages = Math.ceil(maxTxs / 14)
+  
+  for (let i = 0; i < numPages; i++) {
+    const blank8949Bytes = fs.readFileSync('../2022-8949.pdf')
+    const blank8949 = await PDFDocument.load(blank8949Bytes)
+    const form = blank8949.getForm()
+    const start = i * 14
+    // short term
+    const st = stDispositions.slice(start, start + 14)
+    const stTotals = st.reduce((totals, d, i) => {
+      fillFormRows(form, 1, d, i)
+      totals.proceeds = totals.proceeds.plus(d.Proceeds)
+      totals.basis = totals.basis.plus(d.CostBasis)
+      return totals
+    }, { proceeds: new BN(0), basis: new BN(0) })
+    fillFormTotals(form, 1, stTotals.proceeds, stTotals.basis)
+    // long term
+    const lt = ltDispositions.slice(start, start + 14)
+    const ltTotals = lt.reduce((totals, d, i) => {
+      fillFormRows(form, 2, d, i)
+      totals.proceeds = totals.proceeds.plus(d.Proceeds)
+      totals.basis = totals.basis.plus(d.CostBasis)
+      return totals
+    }, { proceeds: new BN(0), basis: new BN(0) })
+    fillFormTotals(form, 2, ltTotals.proceeds, ltTotals.basis)
+
+    await blank8949.save()
+
+    const [page1, page2] = await pdfDoc.copyPages(blank8949, [0,1])
+    pdfDoc.addPage(page1)
+    pdfDoc.addPage(page2)
+  }
+  
+  const pdfBytes = await pdfDoc.save()
+
+  fs.writeFileSync(`./8949.pdf`, pdfBytes)
+}
+
+createPDF()
\ No newline at end of file
diff --git a/lifo-conversion/index.js b/lifo-conversion/index.js
new file mode 100644
index 0000000..cf4bac1
--- /dev/null
+++ b/lifo-conversion/index.js
@@ -0,0 +1,77 @@
+const csvToJson = require('convert-csv-to-json')
+const converter = require('json-2-csv')
+const fs = require('fs')
+const BN = require('bignumber.js')
+
+const coin = process.argv[2]
+
+const pre2022 = csvToJson.fieldDelimiter(',').getJsonFromCsv(`./${coin}.csv`)
+
+const utxos = []
+
+const handleBuy = (utxo) => {
+	utxo.Remaining = new BN(utxo.ReceivedQuantity)
+	utxos.push(utxo)
+}
+
+const handleTrade = (trade) => {
+	if (trade.ReceivedCurrency === coin) return handleBuy(trade)
+	consumeUtxos(new BN(trade.SentQuantity))
+}
+
+const consumeUtxos = (amount) => {
+	for (let i = utxos.length - 1; i >= 0; i--) {
+		const utxo = utxos[i]
+
+		if (!utxo.Remaining) continue
+
+		if (utxo.Remaining.gt(amount)) {
+			utxo.Remaining = utxo.Remaining.minus(amount)
+			return
+		} else {
+			amount = amount.minus(utxo.Remaining)
+			utxo.Remaining = 0
+			return consumeUtxos(amount)
+		}
+	}
+}
+
+pre2022.forEach(tx => {
+	if (tx.Ignored || tx.Margin) return
+
+	switch (tx.Type) {
+		case 'Buy':
+		case 'Receive':
+			handleBuy(tx)
+			break
+		case 'Sell':
+		case 'Send':
+			consumeUtxos(new BN(tx.SentQuantity))
+			break
+		case 'Trade':
+			handleTrade(tx)
+			break
+		case 'Transfer':
+			break
+	}
+
+	if (tx.FeeCurrency === coin) consumeUtxos(new BN(tx.FeeAmount))
+})
+
+const remaining = utxos
+	.filter(utxo => !!utxo.Remaining)
+	.map(utxo => {
+		return {
+			Date: utxo.Date,
+			Asset: coin,
+			Credit: utxo.Remaining.toFixed(8),
+			Debit: '',
+			Price: new BN(utxo['ReceivedCostBasis(USD)']).div(utxo.ReceivedQuantity).toFixed(4),
+			Original: utxo.ReceivedQuantity,
+		}
+	}
+)
+
+converter.json2csv(remaining).then(csv =>
+	fs.appendFileSync(`./${coin}-utxos.csv`, csv)
+);
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..dd8326d
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,97 @@
+{
+  "name": "lifotofifo",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "lifotofifo",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "bignumber.js": "^9.1.1",
+        "convert-csv-to-json": "^2.0.0",
+        "json-2-csv": "^4.0.0",
+        "pdf-lib": "^1.17.1"
+      }
+    },
+    "node_modules/@pdf-lib/standard-fonts": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@pdf-lib/standard-fonts/-/standard-fonts-1.0.0.tgz",
+      "integrity": "sha512-hU30BK9IUN/su0Mn9VdlVKsWBS6GyhVfqjwl1FjZN4TxP6cCw0jP2w7V3Hf5uX7M0AZJ16vey9yE0ny7Sa59ZA==",
+      "dependencies": {
+        "pako": "^1.0.6"
+      }
+    },
+    "node_modules/@pdf-lib/upng": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@pdf-lib/upng/-/upng-1.0.1.tgz",
+      "integrity": "sha512-dQK2FUMQtowVP00mtIksrlZhdFXQZPC+taih1q4CvPZ5vqdxR/LKBaFg0oAfzd1GlHZXXSPdQfzQnt+ViGvEIQ==",
+      "dependencies": {
+        "pako": "^1.0.10"
+      }
+    },
+    "node_modules/bignumber.js": {
+      "version": "9.1.1",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.1.1.tgz",
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+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/convert-csv-to-json": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/convert-csv-to-json/-/convert-csv-to-json-2.0.0.tgz",
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+    },
+    "node_modules/deeks": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/deeks/-/deeks-3.0.0.tgz",
+      "integrity": "sha512-go4YE5vDMzDNzC9OqK7iIQd6agUUqZdBiw3TD2niRxsKGdGdB1FW8eZdrWsyCRZCNkBjV5Vutcx5uT1AikEPCg==",
+      "engines": {
+        "node": ">= 16"
+      }
+    },
+    "node_modules/doc-path": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/doc-path/-/doc-path-4.0.0.tgz",
+      "integrity": "sha512-By/OF7rbws/bgExPZW10gHASoy3sACwXKKpKBIzYk/E19nX8q8IbILbreCeCYAVFIcO9FOxDjFYbm45wvn4I6w==",
+      "engines": {
+        "node": ">=16"
+      }
+    },
+    "node_modules/json-2-csv": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/json-2-csv/-/json-2-csv-4.0.0.tgz",
+      "integrity": "sha512-r8WXuuLgVbeufMuCyzUXSp8VP9YK4BTuzM7rTG0X85MPKuHKa8JD6LHrp0rEKVCtBSgHA3LMu/VjrZHx+851DQ==",
+      "dependencies": {
+        "deeks": "3.0.0",
+        "doc-path": "4.0.0"
+      },
+      "engines": {
+        "node": ">= 16"
+      }
+    },
+    "node_modules/pako": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
+      "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw=="
+    },
+    "node_modules/pdf-lib": {
+      "version": "1.17.1",
+      "resolved": "https://registry.npmjs.org/pdf-lib/-/pdf-lib-1.17.1.tgz",
+      "integrity": "sha512-V/mpyJAoTsN4cnP31vc0wfNA1+p20evqqnap0KLoRUN0Yk/p3wN52DOEsL4oBFcLdb76hlpKPtzJIgo67j/XLw==",
+      "dependencies": {
+        "@pdf-lib/standard-fonts": "^1.0.0",
+        "@pdf-lib/upng": "^1.0.1",
+        "pako": "^1.0.11",
+        "tslib": "^1.11.1"
+      }
+    },
+    "node_modules/tslib": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+      "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..6d120b1
--- /dev/null
+++ b/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "lifotofifo",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "author": "",
+  "license": "ISC",
+  "scripts": {
+    "fifo": "cd ./fifo && rm -f *.csv && rm -f *.pdf && node index.js",
+    "hifo": "cd ./hifo && rm -f *.csv && rm -f *.pdf && node index.js"
+  },
+  "dependencies": {
+    "bignumber.js": "^9.1.1",
+    "convert-csv-to-json": "^2.0.0",
+    "json-2-csv": "^4.0.0",
+    "pdf-lib": "^1.17.1"
+  }
+}