vm: fix gas underflow

Signed-off-by: Ignacio Hagopian <[email protected]>
gballet · Aug 6, 2024 · 10967b8 · 10967b8
1 parent cf22fe9
commit 10967b8
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/core/vm/interpreter.go b/core/vm/interpreter.go
@@ -183,7 +183,9 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 			// if the PC ends up in a new "chunk" of verkleized code, charge the
 			// associated costs.
 			contractAddr := contract.Address()
-			contract.Gas -= in.evm.TxContext.Accesses.TouchCodeChunksRangeAndChargeGas(contractAddr[:], pc, 1, uint64(len(contract.Code)), false)
+			if !contract.UseGas(in.evm.TxContext.Accesses.TouchCodeChunksRangeAndChargeGas(contractAddr[:], pc, 1, uint64(len(contract.Code)), false)) {
+				return nil, ErrOutOfGas
+			}
 		}
 
 		// Get the operation from the jump table and validate the stack to ensure there are