alanshaw

const deadline = async function * (source, deadineMs, onDeadline) {
  class DeadlineError extends Error {}
  while (true) {
    let timeoutID
    try {
      const next = await Promise.race([
        new Promise((resolve, reject) => {
          timeoutID = setTimeout(() => reject(new DeadlineError()), deadineMs)
        }),
        source.next()

alanshaw

import addr, { Address, newAddress } from '@glif/filecoin-address'
import { blake2b } from 'blakejs'
import varint from 'varint'

/**
 * PayloadHashLength defines the hash length taken over addresses using the Actor and SECP256K1 protocols.
 */
export const payloadHashLength = 20

function addressHash (ingest: Uint8Array): Uint8Array {

alanshaw

// 1. Install deps with `npm i csv-parse @glif/filecoin-number`
// 2. Drop `balances.baseline.clean.out` and `balances.claus.clean.out` into the CWD
// 3. Run `node balances-to-json.js`
// 4. It'll create `balances.baseline.json` and `balances.claus.json` and `actors.json` in the CWD

const fs = require('fs')
const parse = require('csv-parse')
const { FilecoinNumber } = require('@glif/filecoin-number')

async function main () {

alanshaw

// Format a percentage according to some arbitrary rules that actually make it pleasing to look at.
// 100 -> 100            // whole numbers have no decimal
// 85.1543 -> 85.1       // it just truncates after first non-zero decimal
// 3.00345 -> 3.003      // leading zeros preserved before truncate
// 3.0000345 -> 3.00003  // ...up to a limit of 5dp
// 3.000001 -> 3         // ...so fractional numbers with 5+ leading zeros become an integer
function formatPercentage (num) {
  const [int, frac] = num.toFixed(5).split('.')
  const index = frac.split('').findIndex(n => n !== '0')
  return index === -1 ? int : `${int}.${frac.slice(0, index + 1)}`

alanshaw

# what even contexts do I have?
kubectl config get-contexts

# switch to other one
kubectl config use-context CONTEXT_NAME

# ===
# for new or update existing cluster credentials:
# ===

alanshaw

name := "Unknown"
sc, ok := r.Client.(fmt.Stringer)
if ok {
	name = sc.String()
}
oc.log.Info("optimizing_client", "thanks for the round", "client", name)

alanshaw

Setup

# Create keys
drand generate-keypair --tls-disable --folder ~/.drand0 127.0.0.1:3000
drand generate-keypair --tls-disable --folder ~/.drand1 127.0.0.1:3100
drand generate-keypair --tls-disable --folder ~/.drand2 127.0.0.1:3200

# Start daemons
drand start --tls-disable --folder ~/.drand0 --private-listen 127.0.0.1:3000 --control 3001 --public-listen 127.0.0.1:3002

alanshaw

https://access.redhat.com/solutions/30453

dmesg -wH

sysctl net.netfilter.nf_conntrack_max
net.netfilter.nf_conntrack_max = 196608

alanshaw

• Room Guardian
  • bafybeigdyrzt5sfp7udm7hu76uh7y26nf3efuylqabf3oclgtqy55fbzdi
• IPFS blog
  • bafybeifzcblbfi4nzmaq2ckaag63fufhkbfl7u3zqfkskmwjr3jsxtpyru
• XKCD
  • QmdmQXB2mzChmMeKY47C43LxUdg1NDJ5MWcKMKxDu7RgQm
• Project Apollo Archives
  • QmSnuWmxptJZdLJpKRarxBMS2Ju2oANVrgbr2xWbie9b2D
• https://awesome.ipfs.io/datasets/

alanshaw

import React, { Component } from 'react'
import IPFS from 'ipfs'

export default class App extends Component {
  constructor (props) {
    super(props)
    this.state = {
      ready: false,
      files: [],
      fileName: '',