// Copyright 2017 The go-ethereum Authors // This file is part of the go-ethereum library. // // The go-ethereum library is free software: you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // The go-ethereum library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. package vm import ( "github.com/ava-labs/coreth/params" ) func minSwapStack(n int) int { return minStack(n, n) } func maxSwapStack(n int) int { return maxStack(n, n) } func minDupStack(n int) int { return minStack(n, n+1) } func maxDupStack(n int) int { return maxStack(n, n+1) } func maxStack(pop, push int) int { return int(params.StackLimit) + pop - push } func minStack(pops, push int) int { return pops }