Java Code Examples for org.bitcoinj.crypto.TransactionSignature#dummy()

The following examples show how to use org.bitcoinj.crypto.TransactionSignature#dummy() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ScriptTest.java    From bcm-android with GNU General Public License v3.0 4 votes vote down vote up 
@Test
public void createAndUpdateEmptyInputScript() throws Exception {
    TransactionSignature dummySig = TransactionSignature.dummy();
    ECKey key = new ECKey();

    // P2PK
    Script inputScript = ScriptBuilder.createInputScript(dummySig);
    assertThat(inputScript.getChunks().get(0).data, equalTo(dummySig.encodeToBitcoin()));
    inputScript = ScriptBuilder.createInputScript(null);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));

    // P2PKH
    inputScript = ScriptBuilder.createInputScript(dummySig, key);
    assertThat(inputScript.getChunks().get(0).data, equalTo(dummySig.encodeToBitcoin()));
    inputScript = ScriptBuilder.createInputScript(null, key);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(key.getPubKey()));

    // P2SH
    ECKey key2 = new ECKey();
    Script multisigScript = ScriptBuilder.createMultiSigOutputScript(2, Arrays.asList(key, key2));
    inputScript = ScriptBuilder.createP2SHMultiSigInputScript(Arrays.asList(dummySig, dummySig), multisigScript);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(2).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    inputScript = ScriptBuilder.createP2SHMultiSigInputScript(null, multisigScript);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(2).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    inputScript = ScriptBuilder.updateScriptWithSignature(inputScript, dummySig.encodeToBitcoin(), 0, 1, 1);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(2).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    inputScript = ScriptBuilder.updateScriptWithSignature(inputScript, dummySig.encodeToBitcoin(), 1, 1, 1);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(2).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    // updating scriptSig with no missing signatures
    try {
        ScriptBuilder.updateScriptWithSignature(inputScript, dummySig.encodeToBitcoin(), 1, 1, 1);
        fail("Exception expected");
    } catch (Exception e) {
        assertEquals(IllegalArgumentException.class, e.getClass());
    }
}
Example 2
Source File: ScriptTest.java    From green_android with GNU General Public License v3.0 4 votes vote down vote up 
@Test
public void createAndUpdateEmptyInputScript() throws Exception {
    TransactionSignature dummySig = TransactionSignature.dummy();
    ECKey key = new ECKey();

    // pay-to-pubkey
    Script inputScript = ScriptBuilder.createInputScript(dummySig);
    assertThat(inputScript.getChunks().get(0).data, equalTo(dummySig.encodeToBitcoin()));
    inputScript = ScriptBuilder.createInputScript(null);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));

    // pay-to-address
    inputScript = ScriptBuilder.createInputScript(dummySig, key);
    assertThat(inputScript.getChunks().get(0).data, equalTo(dummySig.encodeToBitcoin()));
    inputScript = ScriptBuilder.createInputScript(null, key);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(key.getPubKey()));

    // pay-to-script-hash
    ECKey key2 = new ECKey();
    Script multisigScript = ScriptBuilder.createMultiSigOutputScript(2, Arrays.asList(key, key2));
    inputScript = ScriptBuilder.createP2SHMultiSigInputScript(Arrays.asList(dummySig, dummySig), multisigScript);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(2).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    inputScript = ScriptBuilder.createP2SHMultiSigInputScript(null, multisigScript);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(2).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    inputScript = ScriptBuilder.updateScriptWithSignature(inputScript, dummySig.encodeToBitcoin(), 0, 1, 1);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(2).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    inputScript = ScriptBuilder.updateScriptWithSignature(inputScript, dummySig.encodeToBitcoin(), 1, 1, 1);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(2).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    // updating scriptSig with no missing signatures
    try {
        ScriptBuilder.updateScriptWithSignature(inputScript, dummySig.encodeToBitcoin(), 1, 1, 1);
        fail("Exception expected");
    } catch (Exception e) {
        assertEquals(IllegalArgumentException.class, e.getClass());
    }
}
Example 3
Source File: ScriptTest.java    From GreenBits with GNU General Public License v3.0 4 votes vote down vote up 
@Test
public void createAndUpdateEmptyInputScript() throws Exception {
    TransactionSignature dummySig = TransactionSignature.dummy();
    ECKey key = new ECKey();

    // pay-to-pubkey
    Script inputScript = ScriptBuilder.createInputScript(dummySig);
    assertThat(inputScript.getChunks().get(0).data, equalTo(dummySig.encodeToBitcoin()));
    inputScript = ScriptBuilder.createInputScript(null);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));

    // pay-to-address
    inputScript = ScriptBuilder.createInputScript(dummySig, key);
    assertThat(inputScript.getChunks().get(0).data, equalTo(dummySig.encodeToBitcoin()));
    inputScript = ScriptBuilder.createInputScript(null, key);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(key.getPubKey()));

    // pay-to-script-hash
    ECKey key2 = new ECKey();
    Script multisigScript = ScriptBuilder.createMultiSigOutputScript(2, Arrays.asList(key, key2));
    inputScript = ScriptBuilder.createP2SHMultiSigInputScript(Arrays.asList(dummySig, dummySig), multisigScript);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(2).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    inputScript = ScriptBuilder.createP2SHMultiSigInputScript(null, multisigScript);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(2).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    inputScript = ScriptBuilder.updateScriptWithSignature(inputScript, dummySig.encodeToBitcoin(), 0, 1, 1);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(2).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    inputScript = ScriptBuilder.updateScriptWithSignature(inputScript, dummySig.encodeToBitcoin(), 1, 1, 1);
    assertThat(inputScript.getChunks().get(0).opcode, equalTo(OP_0));
    assertThat(inputScript.getChunks().get(1).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(2).data, equalTo(dummySig.encodeToBitcoin()));
    assertThat(inputScript.getChunks().get(3).data, equalTo(multisigScript.getProgram()));

    // updating scriptSig with no missing signatures
    try {
        ScriptBuilder.updateScriptWithSignature(inputScript, dummySig.encodeToBitcoin(), 1, 1, 1);
        fail("Exception expected");
    } catch (Exception e) {
        assertEquals(IllegalArgumentException.class, e.getClass());
    }
}