Java Code Examples for org.bitcoinj.script.Script#getChunks()
The following examples show how to use
org.bitcoinj.script.Script#getChunks() .
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Example 1
| Source File: GenerateLowSTests.java From green_android with GNU General Public License v3.0 | 6 votes |
|
/**
* Convert a script to a string format that suits the style expected in
* tx_valid.json and tx_invalid.json.
*/
private static String scriptToString(Script scriptPubKey) {
final StringBuilder buf = new StringBuilder();
for (ScriptChunk chunk: scriptPubKey.getChunks()) {
if (buf.length() > 0) {
buf.append(" ");
}
if (chunk.isOpCode()) {
buf.append(getOpCodeName(chunk.opcode));
} else if (chunk.data != null) {
// Data chunk
buf.append("0x")
.append(Integer.toString(chunk.opcode, 16)).append(" 0x")
.append(Utils.HEX.encode(chunk.data));
} else {
buf.append(chunk.toString());
}
}
return buf.toString();
}
Example 2
| Source File: GenerateLowSTests.java From GreenBits with GNU General Public License v3.0 | 6 votes |
|
/**
* Convert a script to a string format that suits the style expected in
* tx_valid.json and tx_invalid.json.
*/
private static String scriptToString(Script scriptPubKey) {
final StringBuilder buf = new StringBuilder();
for (ScriptChunk chunk: scriptPubKey.getChunks()) {
if (buf.length() > 0) {
buf.append(" ");
}
if (chunk.isOpCode()) {
buf.append(getOpCodeName(chunk.opcode));
} else if (chunk.data != null) {
// Data chunk
buf.append("0x")
.append(Integer.toString(chunk.opcode, 16)).append(" 0x")
.append(Utils.HEX.encode(chunk.data));
} else {
buf.append(chunk.toString());
}
}
return buf.toString();
}
Example 3
| Source File: TXUtil.java From jelectrum with MIT License | 6 votes |
|
public static byte[] getPubKey(TransactionInput in) throws ScriptException
{
Script script = in.getScriptSig();
List<ScriptChunk> chunks = script.getChunks();
// Copied from Bitcoinj release 0.14 Script.java getPubKey
// Should handle old style things fine. Probably.
if (chunks.size() != 2) {
throw new ScriptException(ScriptError.SCRIPT_ERR_UNKNOWN_ERROR, "Script not of right size, expecting 2 but got " + chunks.size());
}
final ScriptChunk chunk0 = chunks.get(0);
final byte[] chunk0data = chunk0.data;
final ScriptChunk chunk1 = chunks.get(1);
final byte[] chunk1data = chunk1.data;
if (chunk0data != null && chunk0data.length > 2 && chunk1data != null && chunk1data.length > 2) {
// If we have two large constants assume the input to a pay-to-address output.
return chunk1data;
} else if (chunk1.equalsOpCode(OP_CHECKSIG) && chunk0data != null && chunk0data.length > 2) {
// A large constant followed by an OP_CHECKSIG is the key.
return chunk0data;
} else {
throw new ScriptException(ScriptError.SCRIPT_ERR_UNKNOWN_ERROR, "Script did not match expected form: " + script);
}
}
Example 4
| Source File: ScriptTools.java From thunder with GNU Affero General Public License v3.0 | 5 votes |
|
public static boolean testScript (byte[] script, byte[] template, byte[]... parameters) {
Script s = new Script(script);
List<ScriptChunk> chunks = s.getChunks();
int parameter = 0;
for (int i = 0; i < chunks.size(); i++) {
boolean correct = false;
ScriptChunk chunk = chunks.get(i);
byte templateChunk = template[i];
int op = templateChunk;
if (op < 0) {
op = op + 256;
}
if (op == 255) {
if (chunk.isPushData()) {
if (Arrays.equals(chunk.data, parameters[parameter])) {
parameter++;
correct = true;
}
}
} else {
if (chunk.opcode == op) {
correct = true;
}
}
if (!correct) {
return false;
}
}
return true;
}
Example 5
| Source File: ScriptTools.java From thundernetwork with GNU Affero General Public License v3.0 | 5 votes |
|
public static boolean testScript (byte[] script, byte[] template, byte[]... parameters) {
Script s = new Script(script);
List<ScriptChunk> chunks = s.getChunks();
int parameter = 0;
for (int i = 0; i < chunks.size(); i++) {
boolean correct = false;
ScriptChunk chunk = chunks.get(i);
byte templateChunk = template[i];
int op = templateChunk;
if (op < 0) {
op = op + 256;
}
if (op == 255) {
if (chunk.isPushData()) {
if (Arrays.equals(chunk.data, parameters[parameter])) {
parameter++;
correct = true;
}
}
} else {
if (chunk.opcode == op) {
correct = true;
}
}
if (!correct) {
return false;
}
}
return true;
}
Example 6
| Source File: TXUtil.java From jelectrum with MIT License | 5 votes |
|
public static ByteString parseInputScript(Script script)
{
List<ScriptChunk> chunks = script.getChunks();
if (chunks.size() == 1)
if (chunks.get(0) != null)
if (chunks.get(0).data != null)
if (chunks.get(0).data.length == 22)
{
try (TimeRecordAuto tra = new TimeRecordAuto("txutil_parse_input_single"))
{
ByteString h = ByteString.copyFrom(chunks.get(0).data);
h = Util.SHA256BIN(h);
h = Util.RIPEMD160(h);
ByteString prefix = HexUtil.hexStringToBytes("a914");
ByteString suffix = HexUtil.hexStringToBytes("87");
ByteString out_script = prefix.concat(h).concat(suffix);
return Util.reverse(Util.SHA256BIN(out_script));
}
}
return null;
}
Example 7
| Source File: DumpTxList.java From jelectrum with MIT License | 4 votes |
|
public static void main(String args[]) throws Exception
{
Jelectrum jelly = new Jelectrum(new Config(args[0]));
Scanner scan = new Scanner(new FileInputStream(args[1]));
PrintStream pout = new PrintStream(new FileOutputStream(args[2], false));
TXUtil txutil = new TXUtil(jelly.getDB(), jelly.getNetworkParameters());
while(scan.hasNext())
{
String hash = scan.next();
Transaction tx = jelly.getDB().getTransaction(new Sha256Hash(hash)).getTx(jelly.getNetworkParameters());
int in_idx =0;
for(TransactionInput in : tx.getInputs())
{
Address addr = in.getFromAddress();
byte[] h160 = addr.getHash160();
pout.println("txin:" + hash + ":" + in_idx + ":" + Hex.encodeHexString(h160));
in_idx++;
/*System.out.println("Input: " + in);
Script script = in.getScriptSig();
for(ScriptChunk chunk : script.getChunks())
{
if (chunk.isOpCode())
{
System.out.println(" op " + chunk.opcode);
}
if (chunk.isPushData() && (chunk.data != null))
{
System.out.println(" data " + chunk.data.length);
}
}*/
}
pout.println("tx:" + hash + ":" + txutil.getTXBlockHeight(tx, jelly.getBlockChainCache()));
for(TransactionOutput out : tx.getOutputs())
{
int idx = out.getIndex();
Script script = out.getScriptPubKey();
for(ScriptChunk chunk : script.getChunks())
{
if (chunk.isOpCode())
{
//System.out.println(" op " + chunk.opcode);
}
if (chunk.isPushData() && (chunk.data != null))
{
pout.println("txout:" + hash + ":" + idx + ":" + Hex.encodeHexString(chunk.data));
}
}
}
}
pout.flush();
pout.close();
}
Example 8
| Source File: DumpTxList.java From jelectrum with MIT License | 4 votes |
|
public static boolean hasStrangeData(Transaction tx)
{
try
{
boolean hasStrange = false;
/*for(TransactionInput in : tx.getInputs())
{
Script script = in.getScriptSig();
int data_in = 0;
for(ScriptChunk chunk : script.getChunks())
{
if (chunk.isOpCode())
{
}
if (chunk.isPushData() && (chunk.data != null))
{
data_in += chunk.data.length;
}
}
if (data_in > 20) return true;
}*/
int extra_data = 0;
for(TransactionOutput out : tx.getOutputs())
{
int data_out = 0;
Script script = out.getScriptPubKey();
for(ScriptChunk chunk : script.getChunks())
{
if (chunk.isOpCode())
{
}
if (chunk.isPushData() && (chunk.data != null))
{
data_out += chunk.data.length;
}
}
if (data_out > 20) extra_data += data_out;
}
if (extra_data > 20) return true;
return false;
}
catch(Throwable t){return true;}
}
Example 9
| Source File: UtxoTrieMgr.java From jelectrum with MIT License | 4 votes |
|
public static byte[] figureOutStrange(Script script, TransactionOutput out, NetworkParameters params)
{
if (script == null) return null;
//org.bitcoinj.core.Utils.sha256hash160
List<ScriptChunk> chunks = script.getChunks();
/*System.out.println("STRANGE: " + out.getParentTransaction().getHash() + " - has strange chunks " + chunks.size());
for(int i =0; i<chunks.size(); i++)
{
System.out.print("Chunk " + i + " ");
System.out.print(Hex.encodeHex(chunks.get(i).data));
System.out.println(" " + getOpCodeName(chunks.get(i).data[0]));
}*/
//Remember, java bytes are signed because hate
//System.out.println(out);
//System.out.println(script);
if (chunks.size() == 6)
{
if (chunks.get(0).equalsOpCode(OP_DUP))
if (chunks.get(1).equalsOpCode(OP_HASH160))
if (chunks.get(3).equalsOpCode(OP_EQUALVERIFY))
if (chunks.get(4).equalsOpCode(OP_CHECKSIG))
if (chunks.get(5).equalsOpCode(OP_NOP))
if (chunks.get(2).isPushData())
if (chunks.get(2).data.length == 20)
{
return chunks.get(2).data;
}
}
/*if ((chunks.size() == 6) && (chunks.get(2).data.length == 20))
{
for(int i=0; i<6; i++)
{
if (chunks.get(i) == null) return null;
if (chunks.get(i).data == null) return null;
if (i != 2)
{
if (chunks.get(i).data.length != 1) return null;
}
}
if (chunks.get(0).data[0] == OP_DUP)
if ((int)(chunks.get(1).data[0] & 0xFF) == OP_HASH160)
if ((int)(chunks.get(3).data[0] & 0xFF) == OP_EQUALVERIFY)
if ((int)(chunks.get(4).data[0] & 0xFF) == OP_CHECKSIG)
if (chunks.get(5).data[0] == OP_NOP)
{
return chunks.get(2).data;
}
}*/
return null;
}
Example 10
| Source File: DumpTx.java From jelectrum with MIT License | 4 votes |
|
public static boolean hasStrangeData(Transaction tx)
{
try
{
boolean hasStrange = false;
/*for(TransactionInput in : tx.getInputs())
{
Script script = in.getScriptSig();
int data_in = 0;
for(ScriptChunk chunk : script.getChunks())
{
if (chunk.isOpCode())
{
}
if (chunk.isPushData() && (chunk.data != null))
{
data_in += chunk.data.length;
}
}
if (data_in > 20) return true;
}*/
int extra_data = 0;
for(TransactionOutput out : tx.getOutputs())
{
int data_out = 0;
Script script = out.getScriptPubKey();
for(ScriptChunk chunk : script.getChunks())
{
if (chunk.isOpCode())
{
}
if (chunk.isPushData() && (chunk.data != null))
{
data_out += chunk.data.length;
}
}
if (data_out > 20) extra_data += data_out;
}
if (extra_data > 20) return true;
return false;
}
catch(Throwable t){return true;}
}
