Merge pull request #2434 from jorgemmsilva/fix/prevent-gas-overflow

fix: prevent overflow on minBurn
iotaledger · May 8, 2023 · 5dab9f2 · 5dab9f2
2 parents 6a6675c + ff47075
commit 5dab9f2
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/packages/vm/gas/table.go b/packages/vm/gas/table.go
@@ -101,6 +101,11 @@ func linear(a uint64) BurnFunction {
 
 func minBurn(minGasBurn uint64) BurnFunction {
 	return func(currentBurnedGas uint64) uint64 {
+		if minGasBurn < currentBurnedGas {
+			// prevent overflow
+			return 0
+		}
+
 		return minGasBurn - currentBurnedGas
 	}
 }