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Quick hack (unfinished API) to clear out wallet transactions so you can replay the wallet in case of bugs, like forgetting to save the wallet when you need to.

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Mike Hearn 2011-12-27 23:10:32 +00:00 committed by Miron Cuperman
parent edb3814b56
commit 5ce1d21e4c
1 changed files with 27 additions and 17 deletions
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44
src/com/google/bitcoin/examples/toywallet/ToyWallet.java
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@ -57,11 +57,28 @@ public class ToyWallet {
params = NetworkParameters.prodNet();
}
wallet = getWallet(params);
// Try to read the wallet from storage, create a new one if not possible.
boolean freshWallet = false;
walletFile = new File("toy.wallet");
try {
wallet = Wallet.loadFromFile(walletFile);
} catch (IOException e) {
wallet = new Wallet(params);
wallet.keychain.add(new ECKey());
wallet.saveToFile(walletFile);
freshWallet = true;
}
System.out.println("Send to: " + wallet.keychain.get(0).toAddress(params));
System.out.println(wallet);
chain = new BlockChain(params, wallet, new DiskBlockStore(params, new File("toy.blockchain")));
File blockChainFile = new File("toy.blockchain");
if (!blockChainFile.exists() && !freshWallet) {
// No block chain, but we had a wallet. So empty out the transactions in the wallet so when we rescan
// the blocks there are no problems (wallets don't support replays without being emptied).
wallet.clearTransactions(0);
}
chain = new BlockChain(params, wallet, new DiskBlockStore(params, blockChainFile));
peerGroup = new PeerGroup(params, chain);
if (testnet) {
peerGroup.addAddress(new PeerAddress(InetAddress.getByName("plan99.net"), 18333));
@ -89,6 +106,7 @@ public class ToyWallet {
public void onBlocksDownloaded(Peer peer, Block block, int blocksLeft) {
super.onBlocksDownloaded(peer, block, blocksLeft);
handleNewBlock();
triggerNetworkStatsUpdate(peerGroup.numConnectedPeers());
}
});
@ -134,20 +152,6 @@ public class ToyWallet {
peerGroup.downloadBlockChain();
}
private Wallet getWallet(NetworkParameters params) throws IOException {
// Try to read the wallet from storage, create a new one if not possible.
walletFile = new File("toy.wallet");
Wallet w;
try {
w = Wallet.loadFromFile(walletFile);
} catch (IOException e) {
w = new Wallet(params);
w.keychain.add(new ECKey());
w.saveToFile(walletFile);
}
return w;
}
private void handleNewBlock() {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
@ -204,6 +208,12 @@ public class ToyWallet {
// between confidence states.
int txIndex = transactions.indexOf(tx);
fireContentsChanged(this, txIndex, txIndex);
// Confidences may have changed.
try {
wallet.saveToFile(walletFile);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
});
fireIntervalAdded(this, transactions.size() - 1, transactions.size() - 1);
@ -233,7 +243,7 @@ public class ToyWallet {
.replaceAll(key, "<i>" + key + "</i>");
setText(value);
setOpaque(true);
setBackground(index % 2 == 1 ? new Color(50, 50, 50) : Color.WHITE);
setBackground(index % 2 == 1 ? new Color(230, 230, 230) : Color.WHITE);
return this;
}
}