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DzieCoin
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Make buttons in GUI work

This commit is contained in:
Aelita4 2023-01-23 00:29:46 +01:00
parent 46e336bdca
commit 9a72fb8f77
3 changed files with 144 additions and 4 deletions
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1
src/main/java/pl/mikorosa/dziecoin/Blockchain.java
View File

@ -69,6 +69,7 @@ public class Blockchain {
}
blocks.add(block);
length++;
if(length != 1 && Main.mainFrame != null) Main.mainFrame.onNewBlockUpdate();
}
public int getAddressBalance(String walletAddress) {

7
src/main/java/pl/mikorosa/dziecoin/Main.java
View File

@ -9,6 +9,7 @@ import java.util.List;
public class Main {
public static int difficulty;
public static Blockchain blockchain;
public static MainFrame mainFrame;
public static DatabaseConnection db;
public static void main(String[] args) {
@ -25,6 +26,9 @@ public class Main {
difficulty = 4;
blockchain = new Blockchain(w1.getAddress());
mainFrame = new MainFrame();
mainFrame.setVisible(true);
NFT n1 = new NFT(w1.getAddress(), "licencja na wozek widlowy");
List<Transaction> t1 = new ArrayList<>();
@ -66,8 +70,5 @@ public class Main {
System.out.println("Wallet 1: " + blockchain.getAddressBalance(w1.getAddress()));
System.out.println("Wallet 2: " + blockchain.getAddressBalance(w2.getAddress()));
System.out.println("Wallet 3: " + blockchain.getAddressBalance(w3.getAddress()));
MainFrame mf = new MainFrame();
mf.setVisible(true);
}
}

140
src/main/java/pl/mikorosa/dziecoin/gui/MainFrame.java
View File

@ -78,26 +78,145 @@ public class MainFrame extends JFrame {
mineBlockTree.setModel(model);
sendSubmit.addActionListener(e -> {
String sendTo = recipient.getText();
int howMuch;
if(sendTo.isEmpty()) {
JOptionPane.showMessageDialog(null, "Input correct wallet address");
return;
}
try {
howMuch = Integer.parseInt(amountToSend.getText());
if(howMuch <= 0) throw new NumberFormatException("Value cannot be lower or equal to 0");
} catch(NumberFormatException er) {
JOptionPane.showMessageDialog(null, "Input correct amount greater than 0");
return;
}
if(bc.getAddressBalance(addr) - howMuch < 0 || howMuchLeftToSpend - howMuch < 0) {
JOptionPane.showMessageDialog(null, "Transaction reverted, not enough funds");
return;
}
DefaultMutableTreeNode a = new DefaultMutableTreeNode("Transaction");
transactions.add(new Transaction(addr, sendTo, howMuch));
a.add(new DefaultMutableTreeNode("Sender: " + addr));
a.add(new DefaultMutableTreeNode("Recipient: " + sendTo));
a.add(new DefaultMutableTreeNode("Amount: " + howMuch));
rootMineBlock.add(a);
DefaultTreeModel model14 = new DefaultTreeModel(rootMineBlock);
mineBlockTree.setModel(model14);
JOptionPane.showMessageDialog(null, "Transaction created, mine block to add it to blockchain");
howMuchLeftToSpend -= howMuch;
mineBlockButton.setEnabled(true);
clearButton.setEnabled(true);
mineBlockButton.setText("Mine block");
});
validateChainButton.addActionListener(e -> {
Block.VerifyCodes status = bc.validateChain();
if(status == Block.VerifyCodes.SUCCESS) JOptionPane.showMessageDialog(null, "Chain is valid", "Verification", JOptionPane.INFORMATION_MESSAGE);
else if(status == Block.VerifyCodes.HASH_MISMATCH) JOptionPane.showMessageDialog(null, "Hash mismatch found", "Verification", JOptionPane.ERROR_MESSAGE);
else if(status == Block.VerifyCodes.INVALID_POW_SIGNATURE) JOptionPane.showMessageDialog(null, "Invalid proof of work signature found", "Verification", JOptionPane.ERROR_MESSAGE);
else if(status == Block.VerifyCodes.INVALID_BLOCK_HASH) JOptionPane.showMessageDialog(null, "Invalid block hash found", "Verification", JOptionPane.ERROR_MESSAGE);
});
payForTuitionButton.addActionListener(e -> {
int input = JOptionPane.showConfirmDialog(null, "6 DC will be sent to pay tuition\nAre you sure?", "Payment Confirmation", JOptionPane.YES_NO_OPTION);
if(input == JOptionPane.YES_OPTION) {
if(bc.getAddressBalance(addr) - 6 < 0 || howMuchLeftToSpend - 6 < 0) JOptionPane.showMessageDialog(null, "Transaction reverted, not enough funds");
else {
DefaultMutableTreeNode a = new DefaultMutableTreeNode("Transaction");
a.add(new DefaultMutableTreeNode("Sender: " + addr));
a.add(new DefaultMutableTreeNode("Recipient: wsiz"));
a.add(new DefaultMutableTreeNode("Amount: 6"));
rootMineBlock.add(a);
DefaultTreeModel model13 = new DefaultTreeModel(rootMineBlock);
mineBlockTree.setModel(model13);
transactions.add(new Transaction(addr, "wsiz", 6));
JOptionPane.showMessageDialog(null, "Transaction created, mine block to add it to blockchain");
howMuchLeftToSpend -= 6;
mineBlockButton.setEnabled(true);
clearButton.setEnabled(true);
mineBlockButton.setText("Mine block");
}
}
});
payForAdvanceButton.addActionListener(e -> {
int input = JOptionPane.showConfirmDialog(null, "1 DC will be sent to pay advance\nAre you sure?", "Payment Confirmation", JOptionPane.YES_NO_OPTION);
if(input == JOptionPane.YES_OPTION) {
if(bc.getAddressBalance(addr) - 1 < 0 || howMuchLeftToSpend - 1 < 0) JOptionPane.showMessageDialog(null, "Transaction reverted, not enough funds");
else {
DefaultMutableTreeNode a = new DefaultMutableTreeNode("Transaction");
a.add(new DefaultMutableTreeNode("Sender: " + addr));
a.add(new DefaultMutableTreeNode("Recipient: wsiz"));
a.add(new DefaultMutableTreeNode("Amount: 1"));
rootMineBlock.add(a);
DefaultTreeModel model12 = new DefaultTreeModel(rootMineBlock);
mineBlockTree.setModel(model12);
transactions.add(new Transaction(addr, "wsiz", 1));
JOptionPane.showMessageDialog(null, "Transaction created, mine block to add it to blockchain");
howMuchLeftToSpend -= 1;
mineBlockButton.setEnabled(true);
clearButton.setEnabled(true);
mineBlockButton.setText("Mine block");
}
}
});
mineBlockButton.addActionListener(e -> {
mineBlockButton.setEnabled(false);
clearButton.setEnabled(false);
Block block = new Block(bc.getLatestBlock().getHash(), bc.getLength() + 1, transactions);
for (NFT nft : nfts) {
block.addNFT(nft);
}
rootMineBlock.removeAllChildren();
mineBlockButton.setText("Mining, please wait...");
block.mineBlock();
mineBlockButton.setText("Mine block");
JOptionPane.showMessageDialog(null, "Block mined successfully");
try {
bc.addBlock(block);
} catch (BlockchainIntegrityException er) {
JOptionPane.showMessageDialog(null, "Unable to add a block: " + er.getMessage(), "Fatal error", JOptionPane.ERROR_MESSAGE);
return;
}
transactions.clear();
howMuchLeftToSpend = bc.getAddressBalance(addr);
rootMineBlock.removeAllChildren();
DefaultTreeModel model1 = new DefaultTreeModel(rootMineBlock);
mineBlockTree.setModel(model1);
});
clearButton.addActionListener(e -> {
int input = JOptionPane.showConfirmDialog(null, "All pending transactions will be cancelled\nAre you sure?", "Clear Confirmation", JOptionPane.YES_NO_OPTION);
if(input == JOptionPane.YES_OPTION) {
mineBlockButton.setEnabled(false);
clearButton.setEnabled(false);
transactions.clear();
howMuchLeftToSpend = bc.getAddressBalance(addr);
rootMineBlock.removeAllChildren();
DefaultTreeModel model1 = new DefaultTreeModel(rootMineBlock);
mineBlockTree.setModel(model1);
}
});
exportButton.addActionListener(e -> {
@ -105,7 +224,26 @@ public class MainFrame extends JFrame {
});
createMintNFTButton.addActionListener(e -> {
String input = JOptionPane.showInputDialog("Input data for NFT: ");
if(input != null && !input.isEmpty()) {
NFT n = new NFT(addr, input);
nfts.add(n);
DefaultMutableTreeNode a = new DefaultMutableTreeNode("NFT");
a.add(new DefaultMutableTreeNode("Contract: " + n.getContract()));
a.add(new DefaultMutableTreeNode("Owner: " + addr));
a.add(new DefaultMutableTreeNode("Data: " + input));
rootMineBlock.add(a);
DefaultTreeModel model13 = new DefaultTreeModel(rootMineBlock);
mineBlockTree.setModel(model13);
JOptionPane.showMessageDialog(null, "NFT minted, mine block to add it to blockchain");
mineBlockButton.setEnabled(true);
clearButton.setEnabled(true);
mineBlockButton.setText("Mine block");
}
});
}