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Expose hashTransactionForSignature. The API will likely change in future.

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This commit is contained in:
Mike Hearn 2012-02-02 18:21:28 +01:00
parent b72c170086
commit b0739df2e5
1 changed files with 11 additions and 1 deletions
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12
src/com/google/bitcoin/core/Transaction.java
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@ -628,7 +628,17 @@ public class Transaction extends ChildMessage implements Serializable {
// Every input is now complete.
}
private byte[] hashTransactionForSignature(SigHash type, boolean anyoneCanPay) {
/**
* Calculates a signature hash, that is, a hash of a simplified form of the transaction. How exactly the transaction
* is simplified is specified by the type and anyoneCanPay parameters.<p>
*
* You don't normally ever need to call this yourself. It will become more useful in future as the contracts
* features of Bitcoin are developed.
*
* @param type Should be SigHash.ALL
* @param anyoneCanPay should be false.
*/
public byte[] hashTransactionForSignature(SigHash type, boolean anyoneCanPay) {
try {
ByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(length == UNKNOWN_LENGTH ? 256 : length + 4);
bitcoinSerialize(bos);