nflaig

This is in response to some previous discussion about this topic in the Free Madeira telegram group.

The Bitcoin value overflow incident in 2010 was a rollback of the chain and I don't see how this is a convoluted way of thinking about it... but let me try to elaborate on that.

So first, does it make a difference that this was a soft fork and not a hard fork?

I don't see any difference, the outcome is exactly the same, but it was more convenient and helped to make the recovery smoother as nodes that still had the bug eventually followed the longest valid chain again. To me this is really just a

nflaig

{
  "attestation_1": {
    "attesting_indices": [
      "20013",
      "20040",
      "20075",
      "20102",
      "20106",
      "20109",
      "20225",

nflaig

participants:
  # Lighthouse
  - el_type: geth
    el_image: ethereum/client-go:stable
    cl_type: lodestar
    cl_image: chainsafe/lodestar:next
    vc_type: lighthouse
    vc_image: sigp/lighthouse:latest
    count: 1
  - el_type: geth

nflaig

participants:
  # Lighthouse
  - el_type: geth
    el_image: ethereum/client-go:stable
    cl_type: lodestar
    cl_image: nflaig/lodestar:ssz-api
    vc_type: lighthouse
    vc_image: sigp/lighthouse:latest
    count: 1
  - el_type: geth

nflaig

import Ajv from "ajv";

const ajv = new Ajv({ strict: true });

const schema = {
  type: "object",
  properties: {
    data: {
      oneOf: [
        { type: "array", items: { type: "string" } },

nflaig

const {ssz} = require("@lodestar/types");

const blobHex =
  "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

nflaig

{
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Test Current File",
      "type": "node",
      "request": "launch",
      "program": "${workspaceFolder}/node_modules/.bin/vitest",
      "args": [
        "--run",

nflaig

nflaig

{
  "data": {
    "historical_roots": {
      "0": "0x40cf2f3cffd63d9ffeb89999ee359926abfa07ca5eb3fe2a70bc9d6b15720b8c",
      "1": "0x74a3850f3cbccce2271f7c99e53ab07dae55cd8022c937c2dde7a20c5a2b83f9",
      "2": "0x76b05bfecf114e4ef967986ffeaccca8a26b4d863f9cf44d47841024e550b2b0",
      "3": "0xf82d21ce7bb300a90f46eb5723d4ed84eebdd8fea9fd441eafdfeec844f52bcf",
      "4": "0x4ec633af16db54c5401f4baa223f281c21cebdf21ccbed143ccf3170f615a0db",
      "5": "0xeef402049efea3b72b44b6cd4ce2cf169bb66c8acb2681addf600e2f6aa51060",
      "6": "0xce8f6ccd39880a25d750a917e3445657efde463a8a9ac6f0c4e832e8ac83de65",

nflaig

import fs from "fs";

function deepSort(obj) {
  if (Array.isArray(obj)) {
    return obj.map(deepSort).sort((a, b) => JSON.stringify(a) > JSON.stringify(b));
  } else if (typeof obj === "object" && obj !== null) {
    return Object.keys(obj)
      .sort()
      .reduce((result, key) => {
        result[key] = deepSort(obj[key]);