9847b2056b
moved to an account model, transactions working, querying working, more checking of valid data
92 lines
2.7 KiB
JavaScript
92 lines
2.7 KiB
JavaScript
const Transaction = require('./transaction');
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const { INITIAL_BALANCE } = require('../config');
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const Metadata = require('./metadata');
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const ChainUtil = require('../chain-util');
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class Wallet {
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constructor(keyPair) {
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this.keyPair = keyPair;
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this.publicKey = this.keyPair.getPublic().encode('hex');
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this.counter = 0;
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}
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toString() {
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return `Wallet -
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publicKey: ${this.publicKey.toString()}
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balance : ${this.balance}`
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}
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sign(dataHash) {
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return this.keyPair.sign(dataHash);
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}
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createTransaction(recipient, amount, blockchain) {
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const balance = blockchain.getBalanceCopy(this.publicKey);
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if (balance.counter > this.counter) {
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this.counter = balance.counter;
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}
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if (amount > balance.balance) {
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console.log(`Amount: ${amount} exceceds current balance: ${balance.balance}`);
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return null;
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}
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const counterToUse = this.counter + 1;
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this.counter++;
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const newTransaction = new Transaction(this.publicKey, counterToUse, [Transaction.createOutput(recipient, amount)]);
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newTransaction.addSignature(this.sign(Transaction.hashToSign(newTransaction)));
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return newTransaction;
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}
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createMetadata(SSNmetadata) {
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return Metadata.newMetadata(this, SSNmetadata);
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}
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//calculateBalance(blockchain) {
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// let balance = this.balance;
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// let transactions = [];
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// blockchain.chain.forEach(block => block.data.forEach(transaction => {
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// transactions.push(transaction);
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// }));
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// console.log("transactions of balance")
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// console.log(transactions);
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// const PaymentTransactions = transactions[0];
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// console.log("Payment transactions ")
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// console.log(PaymentTransactions);
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// const walletInputTs = PaymentTransactions.filter(transaction => transaction.input.address === this.publicKey);
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// let startTime = 0;
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// if (walletInputTs.length > 0) {
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// const recentInputT = walletInputTs.reduce(
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// (prev, current) => prev.input.timestamp > current.input.timestamp ? prev : current
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// );
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// balance = recentInputT.outputs.find(output => output.address === this.publicKey).amount;
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// startTime = recentInputT.input.timestamp;
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// }
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// PaymentTransactions.forEach(transaction => {
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// if (transaction.input.timestamp > startTime) {
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// transaction.outputs.find(output => {
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// if (output.address === this.publicKey) {
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// balance += output.amount;
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// }
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// });
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// }
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// });
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// return balance;
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//}
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//static blockchainWallet() {
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// const blockchainWallet = new this(ChainUtil.genKeyPair());
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// blockchainWallet.address = 'blockchain-wallet';
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// return blockchainWallet;
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//}
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}
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module.exports = Wallet;
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