cf

// root
<0x227c4fdcd6c57bf13f6af315dfeebfab6976e46276f11cc6160bbd0fb5ee22ec>
// sibling_1
<0x8869ff2c22b28cc10510d9853292803328be4fb0e80495e8bb8d271f5b889636>
// sibling_2
<0x848930bd7ba8cac54661072113fb278869e07bb8587f91392933374d017bcbe1>
// sibling_3
<0x7cdd2986268250628d0c10e385c58c6191e6fbe05191bcc04f133f2cea72c1c4>
// sibling_4

cf

//44347314585423944296568073680235476145090606693409235654433373536726375170836
<25099>
<22628>
<4378>
<17693>
<627>
<25528>
<24377>
<28384>
<14745>

cf

// 47146146047289644837830156546653938753825339844208394066840267548397344669800 
<26683>
<25330>
<16353>
<18358>
<9138>
<2972>
<13605>
<11722>
<22216>

cf

/*
compute x % y given: q_lo = floor(x/y)&0x7fff, q_hi = floor(x/y)>>15, x_lo = x&0x7fff, x_hi = x>>15, y_lo = y&0x7ff, y_hi = y>>15

<q_hi>
<q_lo>

<x_hi>
<x_lo>

cf

<0>
<0>
<0>
<0>
<0>
<0>
<0>
<0>
<0>
<0>

cf

bn256 for bitcoin is totally possible without branches

don't believe me?

see below

cf

#include <metal_stdlib>
/*
  Goldilocks add and mul with ❤️ from Carter (Public Domain)
*/
inline ulong reduce128(ulong x_hi, ulong x_lo){
    ulong x_hi_hi = x_hi>>32;
    ulong x_hi_lo = x_hi & 0xffffffff;
    ulong t0 = x_lo - x_hi_hi;
    if(t0 > x_lo){
        t0 -= 0xffffffff;

cf

Keybase proof

I hereby claim:

• I am cf on github.
• I am carterfeldman (https://keybase.io/carterfeldman) on keybase.
• I have a public key ASAnBa9kLHkpXziqq9XMgMoqt7c7xf9Icv3pSADAe-w-Ugo

To claim this, I am signing this object:

cf

A Hackers Guide to Layer 2: Zero Merkle Trees from Scratch

Code Snippets from the Tutorial

This repository contains the code snippets from the tutorial A Hackers Guide to Layer 2: Zero Merkle Trees from Scratch.

Thanks to OAS for sponsoring this tutorial series.

License

Copyright 2023 Carter Jack Feldman

cf

// Type definitions for tablestore 5.0
// Project: https://github.com/aliyun/aliyun-tablestore-nodejs-sdk
// Definitions by: Carter Jack Feldman <https://github.com/cf>
// TypeScript Version: 4.2

import Int64buf from 'int64-buffer';
import { Buffer } from 'buffer';

declare namespace TableStore {