diff options
Diffstat (limited to 'core/vm/interpreter.go')
| -rw-r--r-- | core/vm/interpreter.go | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/core/vm/interpreter.go b/core/vm/interpreter.go index 32d764b9f..661ada691 100644 --- a/core/vm/interpreter.go +++ b/core/vm/interpreter.go @@ -89,13 +89,12 @@ func NewInterpreter(evm *EVM, cfg Config) *Interpreter { func (in *Interpreter) enforceRestrictions(op OpCode, operation operation, stack *Stack) error { if in.evm.chainRules.IsMetropolis { if in.readonly { - // if the interpreter is operating in readonly mode, make sure no - // state-modifying operation is performed. The 4th stack item + // If the interpreter is operating in readonly mode, make sure no + // state-modifying operation is performed. The 3rd stack item // for a call operation is the value. Transfering value from one // account to the others means the state is modified and should also // return with an error. - if operation.writes || - ((op == CALL || op == CALLCODE) && stack.Back(3).BitLen() > 0) { + if operation.writes || (op == CALL && stack.Back(2).BitLen() > 0) { return errWriteProtection } } |