public static String stringify(byte[] code, int index, String result) {
if (code == null || code.length == 0) return result;
OpCode op = OpCode.code(code[index]);
byte[] continuedCode = null;
switch (op) {
case PUSH1:
case PUSH2:
case PUSH3:
case PUSH4:
case PUSH5:
case PUSH6:
case PUSH7:
case PUSH8:
case PUSH9:
case PUSH10:
case PUSH11:
case PUSH12:
case PUSH13:
case PUSH14:
case PUSH15:
case PUSH16:
case PUSH17:
case PUSH18:
case PUSH19:
case PUSH20:
case PUSH21:
case PUSH22:
case PUSH23:
case PUSH24:
case PUSH25:
case PUSH26:
case PUSH27:
case PUSH28:
case PUSH29:
case PUSH30:
case PUSH31:
case PUSH32:
result += ' ' + op.name() + ' ';
int nPush = op.val() - OpCode.PUSH1.val() + 1;
byte[] data = Arrays.copyOfRange(code, index + 1, index + nPush + 1);
result += new BigInteger(data).toString() + ' ';
continuedCode = Arrays.copyOfRange(code, index + nPush + 1, code.length);
break;
default:
result += ' ' + op.name();
continuedCode = Arrays.copyOfRange(code, index + 1, code.length);
break;
}
return stringify(continuedCode, 0, result);
}
public void fullTrace() {
if (logger.isTraceEnabled() || listener != null) {
StringBuilder stackData = new StringBuilder();
for (int i = 0; i < stack.size(); ++i) {
stackData.append(" ").append(stack.get(i));
if (i < stack.size() - 1) stackData.append("\n");
}
if (stackData.length() > 0) stackData.insert(0, "\n");
ContractDetails contractDetails =
this.result.getRepository().getContractDetails(this.programAddress.getLast20Bytes());
StringBuilder storageData = new StringBuilder();
List<DataWord> storageKeys = new ArrayList<>(contractDetails.getStorage().keySet());
Collections.sort((List<DataWord>) storageKeys);
for (DataWord key : storageKeys) {
storageData
.append(" ")
.append(key)
.append(" -> ")
.append(contractDetails.getStorage().get(key))
.append("\n");
}
if (storageData.length() > 0) storageData.insert(0, "\n");
StringBuilder memoryData = new StringBuilder();
StringBuilder oneLine = new StringBuilder();
for (int i = 0; memory != null && i < memory.limit(); ++i) {
byte value = memory.get(i);
oneLine.append(Utils.oneByteToHexString(value)).append(" ");
if ((i + 1) % 16 == 0) {
String tmp =
String.format("[%4s]-[%4s]", Integer.toString(i - 15, 16), Integer.toString(i, 16))
.replace(" ", "0");
memoryData.append("").append(tmp).append(" ");
memoryData.append(oneLine);
if (i < memory.limit()) memoryData.append("\n");
oneLine.setLength(0);
}
}
if (memoryData.length() > 0) memoryData.insert(0, "\n");
StringBuilder opsString = new StringBuilder();
for (int i = 0; i < ops.length; ++i) {
String tmpString = Integer.toString(ops[i] & 0xFF, 16);
tmpString = tmpString.length() == 1 ? "0" + tmpString : tmpString;
if (i != pc) opsString.append(tmpString);
else opsString.append(" >>").append(tmpString).append("");
}
if (pc >= ops.length) opsString.append(" >>");
if (opsString.length() > 0) opsString.insert(0, "\n ");
logger.trace(" -- OPS -- {}", opsString);
logger.trace(" -- STACK -- {}", stackData);
logger.trace(" -- MEMORY -- {}", memoryData);
logger.trace(" -- STORAGE -- {}\n", storageData);
logger.trace(
"\n Spent Gas: [ {} ]/[ {} ]\n Left Gas: [ {} ]\n",
result.getGasUsed(),
invokeData.getGas().longValue(),
getGas().longValue());
StringBuilder globalOutput = new StringBuilder("\n");
if (stackData.length() > 0) stackData.append("\n");
if (pc != 0) globalOutput.append("[Op: ").append(OpCode.code(lastOp).name()).append("]\n");
globalOutput.append(" -- OPS -- ").append(opsString).append("\n");
globalOutput.append(" -- STACK -- ").append(stackData).append("\n");
globalOutput.append(" -- MEMORY -- ").append(memoryData).append("\n");
globalOutput.append(" -- STORAGE -- ").append(storageData).append("\n");
if (result.getHReturn() != null) {
globalOutput.append("\n HReturn: ").append(Hex.toHexString(result.getHReturn().array()));
}
// soffisticated assumption that msg.data != codedata
// means we are calling the contract not creating it
byte[] txData = invokeData.getDataCopy(DataWord.ZERO, getDataSize());
if (!Arrays.equals(txData, ops)) {
globalOutput.append("\n msg.data: ").append(Hex.toHexString(txData));
}
globalOutput.append("\n\n Spent Gas: ").append(result.getGasUsed());
if (listener != null) {
listener.output(globalOutput.toString());
}
}
}