feat: add identity and feed management (#272)

* feat(wip): add basic feed operations * ci: bump checks * ci: bump checks * feat: rework stamps and add feed functionalities * refactor: polish and fixes * feat(wip): add formulas * feat: show bzz.link for websites * feat: add stamp empty states and formatBzz * feat: add feed download * chore: update manifest-js version * feat: dev mode support with bee-js 3.1.0 (#273) * feat: dev mode support with bee-js 3.1.0 * fix: added missing package-lock.json file * build: remove PR preview * style: work on design * feat: add TroubleshootConnectionCard * build: remove depcheck Co-authored-by: Attila Gazso <agazso@gmail.com>
2021-12-21 10:58:54 +01:00
parent d7c59a1495
commit 25b65c3fb7
46 changed files with 4354 additions and 6378 deletions
@@ -30,6 +30,18 @@ export function detectIndexHtml(files: SwarmFile[]): string | false {
 }

 export function getHumanReadableFileSize(bytes: number): string {
+  if (bytes >= 1e15) {
+    return (bytes / 1e15).toFixed(2) + ' PB'
+  }
+
+  if (bytes >= 1e12) {
+    return (bytes / 1e12).toFixed(2) + ' TB'
+  }
+
+  if (bytes >= 1e9) {
+    return (bytes / 1e9).toFixed(2) + ' GB'
+  }
+
  if (bytes >= 1e6) {
    return (bytes / 1e6).toFixed(2) + ' MB'
  }
@@ -65,6 +77,10 @@ export function convertManifestToFiles(files: Record<string, string>): SwarmFile
 }

 export function getAssetNameFromFiles(files: SwarmFile[]): string {
+  if (!files.length) {
+    return 'Unknown'
+  }
+
  if (files.length === 1) {
    return files[0].name
  }
@@ -0,0 +1,110 @@
+import { Bee, Reference } from '@ethersphere/bee-js'
+import Wallet from 'ethereumjs-wallet'
+import { uuidV4 } from '.'
+import { Identity, IdentityType } from '../providers/Feeds'
+
+export function generateWallet(): Wallet {
+  const buffer = new Uint8Array(32)
+  crypto.getRandomValues(buffer)
+  const wallet = new Wallet(Buffer.from(buffer))
+
+  return wallet
+}
+
+export function persistIdentity(identities: Identity[], identity: Identity): void {
+  const existingIndex = identities.findIndex(x => x.uuid === identity.uuid)
+
+  if (existingIndex !== -1) {
+    identities.splice(existingIndex, 1)
+  }
+  identities.unshift(identity)
+  localStorage.setItem('feeds', JSON.stringify(identities))
+}
+
+export function persistIdentitiesWithoutUpdate(identities: Identity[]): void {
+  localStorage.setItem('feeds', JSON.stringify(identities))
+}
+
+export async function convertWalletToIdentity(
+  identity: Wallet,
+  type: IdentityType,
+  name: string,
+  password?: string,
+): Promise<Identity> {
+  if (type === 'V3' && !password) {
+    throw Error('V3 passwords require password')
+  }
+
+  const identityString =
+    type === 'PRIVATE_KEY' ? identity.getPrivateKeyString() : await identity.toV3String(password as string)
+
+  return {
+    uuid: uuidV4(),
+    name,
+    type: password ? 'V3' : 'PRIVATE_KEY',
+    address: identity.getAddressString(),
+    identity: identityString,
+  }
+}
+
+export async function importIdentity(name: string, data: string): Promise<Identity | null> {
+  if (data.length === 64) {
+    const wallet = await getWallet('PRIVATE_KEY', data)
+
+    return {
+      uuid: uuidV4(),
+      name,
+      type: 'PRIVATE_KEY',
+      identity: data,
+      address: wallet.getAddressString(),
+    }
+  }
+
+  if (data.length === 66 && data.toLowerCase().startsWith('0x')) {
+    const wallet = await getWallet('PRIVATE_KEY', data.slice(2))
+
+    return { uuid: uuidV4(), name, type: 'PRIVATE_KEY', identity: data, address: wallet.getAddressString() }
+  }
+  try {
+    const { address } = JSON.parse(data)
+
+    return { uuid: uuidV4(), name, type: 'V3', identity: data, address }
+  } catch {
+    return null
+  }
+}
+
+function getWalletFromIdentity(identity: Identity, password?: string): Promise<Wallet> {
+  return getWallet(identity.type, identity.identity, password)
+}
+
+async function getWallet(type: IdentityType, data: string, password?: string): Promise<Wallet> {
+  return type === 'PRIVATE_KEY'
+    ? Wallet.fromPrivateKey(Buffer.from(trimHexString(data), 'hex'))
+    : await Wallet.fromV3(data, password as string)
+}
+
+export async function updateFeed(
+  beeApi: Bee,
+  identity: Identity,
+  hash: string,
+  stamp: string,
+  password?: string,
+): Promise<void> {
+  const wallet = await getWalletFromIdentity(identity, password)
+
+  if (!identity.feedHash) {
+    identity.feedHash = await beeApi.createFeedManifest(stamp, 'sequence', '00'.repeat(32), wallet.getAddressString())
+  }
+
+  const writer = beeApi.makeFeedWriter('sequence', '00'.repeat(32), wallet.getPrivateKeyString())
+  await writer.upload(stamp, hash as Reference)
+}
+
+function trimHexString(string: string): string {
+  if (string.toLowerCase().startsWith('0x')) {
+    return string.slice(2)
+  }
+
+  return string
+}
@@ -112,3 +112,80 @@ export function extractSwarmHash(string: string): string | null {

  return (matches && matches[0]) || null
 }
+
+export function uuidV4(): string {
+  const pattern = '10000000-1000-4000-8000-100000000000'
+
+  return pattern.replace(/[018]/g, (s: string) => {
+    const c = parseInt(s, 10)
+
+    return (c ^ (crypto.getRandomValues(new Uint8Array(1))[0] & (15 >> (c / 4)))).toString(16)
+  })
+}
+
+export function formatEnum(string: string): string {
+  return (string.charAt(0).toUpperCase() + string.slice(1).toLowerCase()).replaceAll('_', ' ')
+}
+
+export function secondsToTimeString(seconds: number): string {
+  let unit = seconds
+
+  if (unit < 120) {
+    return `${seconds} seconds`
+  }
+  unit /= 60
+
+  if (unit < 120) {
+    return `${Math.round(unit)} minutes`
+  }
+  unit /= 60
+
+  if (unit < 48) {
+    return `${Math.round(unit)} hours`
+  }
+  unit /= 24
+
+  if (unit < 14) {
+    return `${Math.round(unit)} days`
+  }
+  unit /= 7
+
+  if (unit < 52) {
+    return `${Math.round(unit)} weeks`
+  }
+  unit /= 52
+
+  return `${unit.toFixed(1)} years`
+}
+
+export function formatBzz(amount: number): string {
+  const asString = amount.toFixed(16)
+
+  let indexOfSignificantDigit = -1
+  let reachedDecimalPoint = false
+
+  for (let i = 0; i < asString.length; i++) {
+    const char = asString[i]
+
+    if (char === '.') {
+      reachedDecimalPoint = true
+    } else if (reachedDecimalPoint && char !== '0') {
+      indexOfSignificantDigit = i
+      break
+    }
+  }
+
+  return asString.slice(0, indexOfSignificantDigit + 4)
+}
+
+export function convertDepthToBytes(depth: number): number {
+  return 2 ** depth * 4096
+}
+
+export function convertAmountToSeconds(amount: number): number {
+  return amount / 10 / 1
+}
+
+export function calculateStampPrice(depth: number, amount: number): number {
+  return (amount * 2 ** (depth - 16) * 2) / 1e16
+}