// Copyright 2015 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 (
"errors"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
"github.com/ethereum/go-ethereum/common"
"github.com/holiman/uint256"
"golang.org/x/crypto/sha3"
)
func opAdd(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x, y := callContext.stack.pop(), callContext.stack.peek()
y.Add(&x, y)
return nil, nil
}
func opSub(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x, y := callContext.stack.pop(), callContext.stack.peek()
y.Sub(&x, y)
return nil, nil
}
func opMul(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x, y := callContext.stack.pop(), callContext.stack.peek()
y.Mul(&x, y)
return nil, nil
}
func opDiv(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x, y := callContext.stack.pop(), callContext.stack.peek()
y.Div(&x, y)
return nil, nil
}
func opSdiv(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x, y := callContext.stack.pop(), callContext.stack.peek()
y.SDiv(&x, y)
return nil, nil
}
func opMod(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x, y := callContext.stack.pop(), callContext.stack.peek()
y.Mod(&x, y)
return nil, nil
}
func opSmod(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x, y := callContext.stack.pop(), callContext.stack.peek()
y.SMod(&x, y)
return nil, nil
}
func opExp(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
base, exponent := callContext.stack.pop(), callContext.stack.peek()
exponent.Exp(&base, exponent)
return nil, nil
}
func opSignExtend(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
back, num := callContext.stack.pop(), callContext.stack.peek()
num.ExtendSign(num, &back)
return nil, nil
}
func opNot(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x := callContext.stack.peek()
x.Not(x)
return nil, nil
}
func opLt(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x, y := callContext.stack.pop(), callContext.stack.peek()
if x.Lt(y) {
y.SetOne()
} else {
y.Clear()
}
return nil, nil
}
func opGt(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x, y := callContext.stack.pop(), callContext.stack.peek()
if x.Gt(y) {
y.SetOne()
} else {
y.Clear()
}
return nil, nil
}
func opSlt(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x, y := callContext.stack.pop(), callContext.stack.peek()
if x.Slt(y) {
y.SetOne()
} else {
y.Clear()
}
return nil, nil
}
func opSgt(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
x, y := callContext.stack