public void spendGas(long gasValue, String cause) {
gasLogger.info("[{}] Spent for cause: [ {} ], gas: [ {} ]", invokeHash, cause, gasValue);
long afterSpend = invokeData.getGas().longValue() - gasValue - result.getGasUsed();
if (afterSpend < 0) throw new OutOfGasException();
result.spendGas(gasValue);
}
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());
}
}
}
public DataWord getGas() {
if (invokeData == null) return DataWord.ZERO_EMPTY_ARRAY;
long afterSpend = invokeData.getGas().longValue() - result.getGasUsed();
return new DataWord(afterSpend);
}