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CoinbaseBlockTest: Convert some file loading code to use Guava.

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This commit is contained in:
Andreas Schildbach 2015-11-19 22:40:58 +01:00
parent ad42302355
commit d08bda2ae4
1 changed files with 9 additions and 31 deletions
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40
core/src/test/java/org/bitcoinj/core/CoinbaseBlockTest.java
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@ -1,5 +1,6 @@
/** /**
* Copyright 2012 Google Inc. * Copyright 2012 Google Inc.
* Copyright 2015 Andreas Schildbach
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@ -22,9 +23,8 @@ import org.bitcoinj.params.MainNetParams;
import org.junit.Before; import org.junit.Before;
import org.junit.Test; import org.junit.Test;
import java.io.ByteArrayOutputStream; import com.google.common.io.ByteStreams;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigInteger; import java.math.BigInteger;
import java.util.EnumSet; import java.util.EnumSet;
import java.util.List; import java.util.List;
@ -42,7 +42,6 @@ public class CoinbaseBlockTest {
private static final String MINING_PRIVATE_KEY = "5JDxPrBRghF1EvSBjDigywqfmAjpHPmTJxYtQTYJxJRHLLQA4mG"; private static final String MINING_PRIVATE_KEY = "5JDxPrBRghF1EvSBjDigywqfmAjpHPmTJxYtQTYJxJRHLLQA4mG";
private static final int BLOCK_OF_INTEREST = 169482; private static final int BLOCK_OF_INTEREST = 169482;
private static final int BLOCK_LENGTH_AS_HEX = 37357;
private static final long BLOCK_NONCE = 3973947400L; private static final long BLOCK_NONCE = 3973947400L;
private static final Coin BALANCE_AFTER_BLOCK = Coin.valueOf(22223642); private static final Coin BALANCE_AFTER_BLOCK = Coin.valueOf(22223642);
@ -57,17 +56,14 @@ public class CoinbaseBlockTest {
// contains coinbase transactions that are mining pool shares. // contains coinbase transactions that are mining pool shares.
// The private key MINERS_KEY is used to check transactions are received by a wallet correctly. // The private key MINERS_KEY is used to check transactions are received by a wallet correctly.
byte[] blockAsBytes = getBytes(getClass().getResourceAsStream("block169482.dat")); Block block169482 = params.getDefaultSerializer().makeBlock(ByteStreams.toByteArray(getClass().getResourceAsStream("block169482.dat")));
// Create block 169482.
Block block = params.getDefaultSerializer().makeBlock(blockAsBytes);
// Check block. // Check block.
assertNotNull(block); assertNotNull(block169482);
block.verify(169482, EnumSet.noneOf(Block.VerifyFlag.class)); block169482.verify(169482, EnumSet.noneOf(Block.VerifyFlag.class));
assertEquals(BLOCK_NONCE, block.getNonce()); assertEquals(BLOCK_NONCE, block169482.getNonce());
StoredBlock storedBlock = new StoredBlock(block, BigInteger.ONE, BLOCK_OF_INTEREST); // Nonsense work - not used in test. StoredBlock storedBlock = new StoredBlock(block169482, BigInteger.ONE, BLOCK_OF_INTEREST); // Nonsense work - not used in test.
// Create a wallet contain the miner's key that receives a spend from a coinbase. // Create a wallet contain the miner's key that receives a spend from a coinbase.
ECKey miningKey = DumpedPrivateKey.fromBase58(params, MINING_PRIVATE_KEY).getKey(); ECKey miningKey = DumpedPrivateKey.fromBase58(params, MINING_PRIVATE_KEY).getKey();
@ -80,7 +76,7 @@ public class CoinbaseBlockTest {
assertEquals(Coin.ZERO, wallet.getBalance()); assertEquals(Coin.ZERO, wallet.getBalance());
// Give the wallet the first transaction in the block - this is the coinbase tx. // Give the wallet the first transaction in the block - this is the coinbase tx.
List<Transaction> transactions = block.getTransactions(); List<Transaction> transactions = block169482.getTransactions();
assertNotNull(transactions); assertNotNull(transactions);
wallet.receiveFromBlock(transactions.get(0), storedBlock, NewBlockType.BEST_CHAIN, 0); wallet.receiveFromBlock(transactions.get(0), storedBlock, NewBlockType.BEST_CHAIN, 0);
@ -88,22 +84,4 @@ public class CoinbaseBlockTest {
assertEquals(BALANCE_AFTER_BLOCK, wallet.getBalance(BalanceType.ESTIMATED)); assertEquals(BALANCE_AFTER_BLOCK, wallet.getBalance(BalanceType.ESTIMATED));
assertEquals(Coin.ZERO, wallet.getBalance(BalanceType.AVAILABLE)); assertEquals(Coin.ZERO, wallet.getBalance(BalanceType.AVAILABLE));
} }
/**
* Returns the contents of the InputStream as a byte array.
*/
private byte[] getBytes(InputStream inputStream) throws IOException {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
int numberRead;
byte[] data = new byte[BLOCK_LENGTH_AS_HEX];
while ((numberRead = inputStream.read(data, 0, data.length)) != -1) {
buffer.write(data, 0, numberRead);
}
buffer.flush();
return buffer.toByteArray();
}
} }