BlockChain-with-JavaScript/index.js at master · BlockChain-Creativity/BlockChain-with-JavaScript · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
const  { Block, Blockchain, Transaction}  = require("./src/blockchain")
const EC = require('elliptic').ec;
const ec = new EC('secp256k1');

// const Generate = require("./src/keygenerator");
// console.log("generate",Generate());

// Your private key goes here
const myKey = ec.keyFromPrivate('765e1d5fed37306154d66a4da0f97e09e8bc21e8d615fe084aab3a0439ee37bc');

// From that we can calculate your public key (which doubles as your wallet address)
const myWalletAddress = myKey.getPublic('hex');

// Create new instance of Blockchain class
const AnilCoin = new Blockchain()

// Mine first block
console.log("\nStarting the miner....");
AnilCoin.minePendingTransactions(myWalletAddress);
console.log("\nBalance of Anil is : ", AnilCoin.getBalanceOfAddress(myWalletAddress));


// Create a transaction & sign it with your key
const tx1 = new Transaction(myWalletAddress, 'public key goes here', 5);
tx1.signTransaction(myKey);
AnilCoin.addTransaction(tx1);

AnilCoin.minePendingTransactions(myWalletAddress);
console.log("\nBalance of Anil is : ", AnilCoin.getBalanceOfAddress(myWalletAddress));


const tx2 = new Transaction(myWalletAddress, 'address1', 50);
tx2.signTransaction(myKey);
AnilCoin.addTransaction(tx2);

// Mine block
AnilCoin.minePendingTransactions(myWalletAddress);
console.log("\nBalance of Anil is : ", AnilCoin.getBalanceOfAddress(myWalletAddress));


const tx3 = new Transaction(myWalletAddress, 'address1', 45);
tx3.signTransaction(myKey);
AnilCoin.addTransaction(tx3);

//// Mine block
AnilCoin.minePendingTransactions(myWalletAddress);
console.log("\nBalance of Anil is : ", AnilCoin.getBalanceOfAddress(myWalletAddress));

// Change the data
//AnilCoin.blockchain[2].transactions[0].amount =50
console.log("\nTotal Transaction of Anil is : ", AnilCoin.getAllTransactionsForWallet(myWalletAddress).length,"\n");
console.log("Is BlockChain Valid ?", AnilCoin.validateChainIntegrity());
//console.log(AnilCoin);
//console.log(JSON.stringify(AnilCoin, null, 5))


// Create Transaction Section
//AnilCoin.createTransaction(new Transaction("address1", "address2",100));
//AnilCoin.createTransaction(new Transaction("address2", "address1",50));
//
//console.log("\n Starting the miner....");
//AnilCoin.minePendingTransactions("Anil-address")
//
//console.log("\n Balance of Anil is : ", AnilCoin.getBalanceOfAddress("Anil-address"));
//
//console.log("\n Starting the miner Again....");
//AnilCoin.minePendingTransactions("Anil-address")
//
//console.log("\n Balance of Anil is : ", AnilCoin.getBalanceOfAddress("Anil-address"));
//console.log(AnilCoin);


//console.log("Mining AnilCoin in progress...");
// Add new Block
//console.log("Mining New Block.......");
//AnilCoin.addNewBlock(
//                    new Block("30/08/2022",
//                              { sender:"Anil Patidar",
//                                recipient:"Ajay Dangi",
//                                quantity:25
//                            })
//);
//
//AnilCoin.addNewBlock(
//    new Block("30/08/2022",
//              { sender:"Jitu",
//                recipient:"Anurag",
//                quantity:50
//            })
//);
//
//console.log("Is BlockChain Valid ?", AnilCoin.validateChainIntegrity());
//
//AnilCoin.addNewBlock(
//    new Block("30/08/2022",
//              { sender:"Ram",
//                recipient:"Gaurav",
//                quantity:10
//            })
//);

// update blockchain data n check its valid or not
// AnilCoin.blockchain[1].data = {
// AnilCoin.blockchain[1].transactions = {
//                             sender:"Ram",
//                             recipient:"Gaurav",
//                             quantity:40
// };
//
// AnilCoin.blockchain[1].hash = AnilCoin.blockchain[1].generateHash()

//console.log("Is BlockChain Valid ?", AnilCoin.validateChainIntegrity());

//console.log(AnilCoin);
//console.log(JSON.stringify(AnilCoin, null, 5))