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20 changes: 9 additions & 11 deletions actuator/src/main/java/org/tron/core/vm/EnergyCost.java
Original file line number Diff line number Diff line change
Expand Up @@ -367,20 +367,18 @@ public static long getVoteWitnessCost(Program program) {
public static long getVoteWitnessCost2(Program program) {
Stack stack = program.getStack();
long oldMemSize = program.getMemSize();
DataWord amountArrayLength = stack.get(stack.size() - 1).clone();
DataWord amountArrayOffset = stack.get(stack.size() - 2);
DataWord witnessArrayLength = stack.get(stack.size() - 3).clone();
DataWord witnessArrayOffset = stack.get(stack.size() - 4);
BigInteger amountArrayLength = stack.get(stack.size() - 1).value();
BigInteger amountArrayOffset = stack.get(stack.size() - 2).value();
BigInteger witnessArrayLength = stack.get(stack.size() - 3).value();
BigInteger witnessArrayOffset = stack.get(stack.size() - 4).value();

DataWord wordSize = new DataWord(DataWord.WORD_SIZE);
BigInteger wordSize = BigInteger.valueOf(DataWord.WORD_SIZE);

amountArrayLength.mul(wordSize);
amountArrayLength.add(wordSize); // dynamic array length is at least 32 bytes
BigInteger amountArrayMemoryNeeded = memNeeded(amountArrayOffset, amountArrayLength);
BigInteger amountArrayMemoryNeeded =
amountArrayLength.multiply(wordSize).add(wordSize).add(amountArrayOffset);

witnessArrayLength.mul(wordSize);
witnessArrayLength.add(wordSize); // dynamic array length is at least 32 bytes
BigInteger witnessArrayMemoryNeeded = memNeeded(witnessArrayOffset, witnessArrayLength);
BigInteger witnessArrayMemoryNeeded =
witnessArrayLength.multiply(wordSize).add(wordSize).add(witnessArrayOffset);

return VOTE_WITNESS + calcMemEnergy(oldMemSize,
(amountArrayMemoryNeeded.compareTo(witnessArrayMemoryNeeded) > 0
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