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Add another Block c'tor. Resolves issue 424.

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This commit is contained in:
Mike Hearn 2013-07-04 12:12:52 +02:00
parent 4265e9c692
commit 1296074e8f
1 changed files with 27 additions and 0 deletions
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27
core/src/main/java/com/google/bitcoin/core/Block.java
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@ -30,6 +30,7 @@ import java.io.OutputStream;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Date;
import java.util.LinkedList;
import java.util.List;
import static com.google.bitcoin.core.Utils.doubleDigest;
@ -128,6 +129,32 @@ public class Block extends Message {
super(params, payloadBytes, 0, parseLazy, parseRetain, length);
}
/**
* Construct a block initialized with all the given fields.
* @param params Which network the block is for.
* @param version This should usually be set to 1 or 2, depending on if the height is in the coinbase input.
* @param prevBlockHash Reference to previous block in the chain or {@link Sha256Hash#ZERO_HASH} if genesis.
* @param merkleRoot The root of the merkle tree formed by the transactions.
* @param time UNIX time when the block was mined.
* @param difficultyTarget Number which this block hashes lower than.
* @param nonce Arbitrary number to make the block hash lower than the target.
* @param transactions List of transactions including the coinbase.
*/
public Block(NetworkParameters params, long version, Sha256Hash prevBlockHash, Sha256Hash merkleRoot, long time,
long difficultyTarget, long nonce, List<Transaction> transactions) {
super(params);
this.version = version;
this.prevBlockHash = prevBlockHash;
this.merkleRoot = merkleRoot;
this.time = time;
this.difficultyTarget = difficultyTarget;
this.nonce = nonce;
this.transactions = new LinkedList<Transaction>();
this.transactions.addAll(transactions);
}
/**
* <p>A utility method that calculates how much new Bitcoin would be created by the block at the given height.
* The inflation of Bitcoin is predictable and drops roughly every 4 years (210,000 blocks). At the dawn of