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Improve the documentation for the PingService. Patch by Gary Rowe.

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This commit is contained in:
Mike Hearn
2011-06-14 12:49:19 +00:00
parent 6a4d0e866f
commit 0953e79cb0
1 changed files with 17 additions and 2 deletions
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19
src/com/google/bitcoin/examples/PingService.java
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@@ -26,8 +26,23 @@ import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
/**
* <p>
* PingService demonstrates basic usage of the library. It sits on the network and when it receives coins, simply
* sends them right back to the previous owner, determined rather arbitrarily by the address of the first input.
* </p>
* <p>
* If running on TestNet (slow but better than using real coins on prodnet) do the following:
* <ol>
* <li>Backup your current wallet.dat in case of unforeseen problems</li>
* <li>Start your bitcoin client in test mode <code>bitcoin -testnet</code>. This will create a new sub-directory called testnet and should not interfere with normal wallets or operations.</li>
* <li>(Optional) Choose a fresh address</li>
* <li>(Optional) Visit the Testnet faucet (https://testnet.freebitcoins.appspot.com/) to load your client with test coins</li>
* <li>Run <code>PingService -testnet</code></li>
* <li>Wait for the block chain to download</li>
* <li>Send some coins from your bitcoin client to the address provided in the PingService console</li>
* <li>Leave it running until you get the coins back again</li>
* </ol>
* </p>
*/
public class PingService {
public static void main(String[] args) throws Exception {
@@ -95,8 +110,8 @@ public class PingService {
System.out.println("Downloading block chain. " + (max > 1000 ? "This may take a while." : ""));
long current = max;
while (current > 0) {
double pct = 100.0 - (100.0 * (current / (double)max));
System.out.println(String.format("Chain download %d%% done", (int)pct));
double pct = 100.0 - (100.0 * (current / (double) max));
System.out.println(String.format("Chain download %d%% done", (int) pct));
progress.await(1, TimeUnit.SECONDS);
current = progress.getCount();
}