mirror of https://github.com/ethereum/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20 lines
418 B
20 lines
418 B
package vm
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/ethereum/go-ethereum/params"
|
|
)
|
|
|
|
func makeStackFunc(pop, push int) stackValidationFunc {
|
|
return func(stack *Stack) error {
|
|
if err := stack.require(pop); err != nil {
|
|
return err
|
|
}
|
|
|
|
if push > 0 && int64(stack.len()-pop+push) > params.StackLimit.Int64() {
|
|
return fmt.Errorf("stack limit reached %d (%d)", stack.len(), params.StackLimit.Int64())
|
|
}
|
|
return nil
|
|
}
|
|
}
|
|
|