harshvishu

{
    "timestamp": 568583169.33294904,
    "proof": 33575,
    "transactions": [
        {
            "amount": 5,
            "recipient": "9h34147fe1f5426f9dd645de4b27ee21",
            "sender": "d4ee26eee15148ee92c6cd394edd974e"
        },
        {

harshvishu

    /**
     Creates a new transaction to go into the next mined Block
     
     - Parameter sender: Address of the Sender
     - Parameter recipient: Address of the Recipient
     - Parameter amount: Amount
     - returns: The index of the Block that will hold this transaction
     */
    func newTransaction(sender: String, recipient: String, amount: Int64) -> Int64 {
        let transaction = Transaction(sender: sender, recipient: recipient, amount: amount)

harshvishu

    
    // MARK: - Initializers
    init() {
        chain = []
        current_transactions = []
        nodes = Set()
        
        // Create the genesis block
        self.newBlock(previous_hash: "1", proof: 100)
    }

harshvishu

    /**
     Simple Proof of Work Algorithm:
     
     - Find a number p' such that hash(pp') contains leading 4 zeroes, where p is the previous p'
     - p is the previous proof, and p' is the new proof
     - Parameter: last_proof: Int64
     - returns: Int64
     */
    func proofOfWork(last_proof: Int64) -> Int64 {
        var proof: Int64 = 0

harshvishu

// Instance of blockchain
let blockchain = Blockchain()

// Create a new router
let router = Router()
router.all(middleware: BodyParser())

// Handle HTTP GET requests to /
router.get("/") {
    request, response, next in

harshvishu

  class Blockchain: Chain {
    
    // MARK: - Properties
    ...
    
    var nodes: Set<String>
    
    // MARK: - Initializers
    init() {
        

harshvishu

{
	"info": {
		"_postman_id": "4378e49e-75dc-4772-be83-27806ad15b2c",
		"name": "Swift Blockchain",
		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
	},
	"item": [
		{
			"name": "Get Chain",
			"protocolProfileBehavior": {

harshvishu

curl -X GET \
  http://localhost:5000/nodes/resolve \

harshvishu

curl -X POST \
  http://localhost:5000/nodes/register \
  -H 'content-type: application/json' \
  -d '{
 "nodes": ["http://127.0.0.104:5000"]
}'

harshvishu

curl -X GET \
  http://localhost:5000/mine \