evandiewald

// NonFungibleTicket.cdc
// contract to manage unique tradeable tickets (based on Flow NFT standard)
// see: https://docs.onflow.org/cadence/tutorial/04-non-fungible-tokens/

pub contract NonFungibleTicket {

    // set up a couple events for key deposits/withdrawals
    pub event Withdraw(id: UInt64, from: Address?)
    pub event Deposit(id: UInt64, to: Address?)

evandiewald

{
	"emulators": {
		"default": {
			"port": 3569,
			"serviceAccount": "emulator-account"
		}
	},
	"contracts": {
		"NonFungibleTicket": "./cadence/contracts/NonFungibleTicket.cdc"
	},

evandiewald

import NonFungibleTicket from 0xf8d6e0586b0a20c7

// This transaction allows the Minter account to mint an NFT
// and deposit it into its collection.

transaction {

    // The reference to the collection that will be receiving the NFT
    let receiverRef: &{NonFungibleTicket.NFTReceiver}

evandiewald

import NonFungibleTicket from 0xf8d6e0586b0a20c7

pub fun main() : [UInt64] {
    let acct1 = getAccount(0xf8d6e0586b0a20c7)
    let capability1 = acct1.getCapability<&{NonFungibleTicket.NFTReceiver}>(/public/NFTReceiver)

    let receiverRef1 = capability1.borrow()
        ?? panic("Could not borrow the receiver reference")

    return receiverRef1.getIDs()

evandiewald

import NonFungibleTicket from 0xf8d6e0586b0a20c7

// This transaction configures a user's account
// to use the NFT contract by creating a new empty collection,
// storing it in their account storage, and publishing a capability
transaction {
  prepare(acct: AuthAccount) {

    // Create a new empty collection
    let collection <- NonFungibleTicket.createEmptyCollection()

evandiewald

import NonFungibleTicket from 0xf8d6e0586b0a20c7

// This transaction transfers an NFT from one user's collection
// to another user's collection.
transaction {

    // The field that will hold the NFT as it is being
    // transferred to the other account
    let transferToken: @NonFungibleTicket.NFT
    let metadata: { String : String }

evandiewald

import React, { useState, useEffect } from "react";
import * as fcl from "@onflow/fcl";
import { Address } from "@onflow/types";
import * as t from "@onflow/types"


const TokenData = () => {
  const [user, setUser] = useState({loggedIn: null})
  useEffect(() => fcl.currentUser().subscribe(setUser), [])

evandiewald

pragma solidity >=0.7.0 <0.9.0;


contract HeightValidation {

    struct User {
        uint userid;
        uint height;
        address validator;
    }

evandiewald

import config
import time
from web3 import Web3, HTTPProvider
import web3
import json

contract_address = config.CONTRACT_ADDRESS
wallet_private_key = config.WALLET_PRIVATE_KEY
wallet_address = config.WALLET_ADDRESS

evandiewald

from sqlalchemy import Table, Column, String, Integer, MetaData, func


def users_table(db):
    table = Table('users', MetaData(db),
                  Column('id', Integer, primary_key=True, nullable=False),
                  Column('name', String, nullable=False),
                  Column('email', String, nullable=False),
                  Column('address', String, nullable=False),
                  Column('age', Integer),