Breta01

const ascii85 = require('ascii85');

async function decryptData(account: string, data: Buffer): Promise<Buffer> {
  // Reconstructing the original object outputed by encryption
  const structuredData = {
    version: 'x25519-xsalsa20-poly1305',
    ephemPublicKey: data.slice(0, 32).toString('base64'),
    nonce: data.slice(32, 56).toString('base64'),
    ciphertext: data.slice(56).toString('base64'),
  };

Breta01

import { encrypt } from '@metamask/eth-sig-util';
const ascii85 = require('ascii85');

function encryptData(publicKey: Buffer, data: Buffer): number[] {
  // Returned object contains 4 properties: version, ephemPublicKey, nonce, ciphertext
  // Each contains data encoded using base64, version is always the same string
  const enc = encrypt({
    publicKey: publicKey.toString('base64'),
    data: ascii85.encode(data).toString(),
    version: 'x25519-xsalsa20-poly1305',

Breta01

// Account is account address provided as string
// App must have access to the specified account
const account = "0x012...bc"

// Key is returned as base64
const keyB64 = await window.ethereum.request({
  method: 'eth_getEncryptionPublicKey',
  params: [account],
}) as string;
const publicKey = Buffer.from(keyB64, 'base64');

Breta01

import numpy as np
import joblib

# Load the model, use the correct path to the model.joblib file
model = joblib.load("model.joblib")

# X should contain the data you want to use for prediction
X = np.array([...])
result = model.predict(X)

Breta01

from sklearn.linear_model import Ridge
from felt.builder import upload_model

model = Ridge(alpha=0.7)
# Make sure you have WEB3_STORAGE_TOKEN environment variable defined
cid = upload_model(model)
print("CID:", cid)

Breta01

### Private key of account deploying the smart contracts
export PRIVATE_KEY='0xasdfasdfasdfasdfasdfasdfasdfas'

### Infura project ID for communicating with network
export WEB3_INFURA_PROJECT_ID='aaa5aa5a5a5a55555aaa555a5a5555a'

### Polygonscan API token for verifying contracts
export POLYGONSCAN_TOKEN='asdfadfasdfsf'

Breta01

# I recommend using .env file for managing secrets
dotenv: .env

# set a custom mnemonic for the development network
networks:
  # Polygon
  polygon-test:
    link_token: '0x326C977E6efc84E512bB9C30f76E30c160eD06FB'
    vrf_coordinator: '0x8C7382F9D8f56b33781fE506E897a4F1e2d17255'
    keyhash: '0x6e75b569a01ef56d18cab6a8e71e6600d6ce853834d4a5748b720d06f878b3a4'

Breta01

node_modules
src/**/*.js

Breta01

{
  "env": {
    "browser": true,
    "es2021": true
  },
  "extends": [
    "plugin:react/recommended",
    "airbnb",
    "plugin:@typescript-eslint/recommended"
  ],

Breta01

{
  "compilerOptions": {
    "target": "es5",
    "lib": [
      "dom",
      "dom.iterable",
      "esnext"
    ],
    "allowJs": true,
    "skipLibCheck": true,