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Overload Script.getToAddress() with a variant that tries harder to determine a destination address.

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I ended up duplicating this piece of code several times, so I thought it may be useful to have it in the framework.

Includes tests.
This commit is contained in:
Andreas Schildbach 2014-08-22 23:07:11 +02:00 committed by Mike Hearn
parent 308de4edc1
commit ad6adea0c5
2 changed files with 32 additions and 0 deletions
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13
core/src/main/java/com/google/bitcoin/script/Script.java
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@ -291,10 +291,23 @@ public class Script {
* Gets the destination address from this script, if it's in the required form (see getPubKey). * Gets the destination address from this script, if it's in the required form (see getPubKey).
*/ */
public Address getToAddress(NetworkParameters params) throws ScriptException { public Address getToAddress(NetworkParameters params) throws ScriptException {
return getToAddress(params, false);
}
/**
* Gets the destination address from this script, if it's in the required form (see getPubKey).
*
* @param forcePayToPubKey
* If true, allow payToPubKey to be casted to the corresponding address. This is useful if you prefer
* showing addresses rather than pubkeys.
*/
public Address getToAddress(NetworkParameters params, boolean forcePayToPubKey) throws ScriptException {
if (isSentToAddress()) if (isSentToAddress())
return new Address(params, getPubKeyHash()); return new Address(params, getPubKeyHash());
else if (isPayToScriptHash()) else if (isPayToScriptHash())
return Address.fromP2SHScript(params, this); return Address.fromP2SHScript(params, this);
else if (forcePayToPubKey && isSentToRawPubKey())
return ECKey.fromPublicOnly(getPubKey()).toAddress(params);
else else
throw new ScriptException("Cannot cast this script to a pay-to-address type"); throw new ScriptException("Cannot cast this script to a pay-to-address type");
} }

19
core/src/test/java/com/google/bitcoin/script/ScriptTest.java
View File

@ -518,4 +518,23 @@ public class ScriptTest {
} }
in.close(); in.close();
} }
@Test
public void getToAddress() throws Exception {
// pay to pubkey
ECKey toKey = new ECKey();
Address toAddress = toKey.toAddress(params);
assertEquals(toAddress, ScriptBuilder.createOutputScript(toKey).getToAddress(params, true));
// pay to pubkey hash
assertEquals(toAddress, ScriptBuilder.createOutputScript(toAddress).getToAddress(params, true));
// pay to script hash
Script p2shScript = ScriptBuilder.createP2SHOutputScript(new byte[20]);
Address scriptAddress = Address.fromP2SHScript(params, p2shScript);
assertEquals(scriptAddress, p2shScript.getToAddress(params, true));
}
@Test(expected = ScriptException.class)
public void getToAddressNoPubKey() throws Exception {
ScriptBuilder.createOutputScript(new ECKey()).getToAddress(params, false);
}
} }