mattlockyer

# references:
# https://ethereum.stackexchange.com/questions/114680/is-it-possible-to-use-non-deterministic-ecdsa-signatures-schemes-for-signing-eth
# https://eth-account.readthedocs.io/en/stable/eth_account.html#eth_account.account.Account.recover_message

from ecdsa import SigningKey, SECP256k1
from eth_account import Account
from eth_account.messages import encode_defunct, defunct_hash_message

message = encode_defunct(text="I♥SF")
mh = defunct_hash_message(text="I♥SF")

mattlockyer

export const POST = (auth) => ({
  method: "POST", // *GET, POST, PUT, DELETE, etc.
  mode: "cors", // no-cors, cors, *same-origin
  headers: {
    "Content-Type": "application/json",
    ...(auth ? { "Authorization": auth } : {})
  },
})

mattlockyer

// JS (node - for browser you need to use btoa(String.fromCharCode(...new Uint8Array(...)))

const hash = sha256.create();
const hashesBase64 = [
	'some string'
].map((src) => {
	return Buffer.from(hash.update(src).array()).toString('base64')
})	
 

mattlockyer

const file = this.input.files[0];
//console.log(file);
var xhr = new XMLHttpRequest();
xhr.addEventListener('load', (e) => {
  console.log(e.target.response);
});
xhr.open('POST', host + 'fileuploadstream', true);
xhr.setRequestHeader('body', JSON.stringify({ id: 'somebucketfolderid', fn: file.name }));
xhr.send(file);

mattlockyer

/********************************
 * Module for generating and verifying JWT tokens
 * Designed to work on Cloudflare Workers
 * Should work in the browser or any env that supports Web Crypto API
 ********************************/

/********************************
 * Key secret is a random Uint8Array of length 64
 * See below for instructions on generating random values / keys
 ********************************/

mattlockyer

// anywhere in your contract

fn random_u128() -> u128 {
    let random_seed = env::random_seed(); // len 32
    // using first 16 bytes (doesn't affect randomness)
    as_u128(random_seed.get(..16).unwrap())
}

fn as_u128(arr: &[u8]) -> u128 {

mattlockyer

// go to https://near.github.io/seed-recovery/ and click the random button at the bottom
// copy publicKey AND seed phrase somewhere SAFE
// use the same tool to find the public key of an existing seed phrase OR call
near keys [accountId]

// once you have both public keys AND the new seed phrase SAFELY STORED
near add-key [accountId] [newPublicKey]
near delete-key [accountId] [oldPublicKey]

// Reference: https://www.npmjs.com/package/near-cli#near-add-key

mattlockyer

const META_KEY: string = '_M'

export class Object {
	state: DurableObjectState
	meta: any
	data: any
	timeouts: any

	constructor(state: DurableObjectState, env: Env) {
		this.state = state;

mattlockyer

// new near instance (for NodeJS use InMemoryKeyStore)

// do this once somewhere when app "mounts" or loads

const near = new Near({
    networkId,
    nodeUrl,
    walletUrl,
    deps: {
        keyStore: new keyStores.BrowserLocalStorageKeyStore()

mattlockyer

import * as nearAPI from 'near-api-js';

const {
	Account,
  KeyPair,
} = nearAPI;

// near is your current near connection instance (somewhere in your app init)

export const getAccessKeyAccount = (near, accountId, secretKey) => {