eips.go

// Copyright 2019 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/holiman/uint256"
)

func opSelfBalance(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
	internalAddr, err := scope.Contract.Address().InternalAddress()
	if err != nil {
		return nil, err
	}
	balance, _ := uint256.FromBig(interpreter.evm.StateDB.GetBalance(internalAddr))
	scope.Stack.push(balance)
	return nil, nil
}

// opChainID implements CHAINID opcode
func opChainID(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
	chainId, _ := uint256.FromBig(interpreter.evm.chainConfig.ChainID)
	scope.Stack.push(chainId)
	return nil, nil
}

// opBaseFee implements BASEFEE opcode
func opBaseFee(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
	baseFee, _ := uint256.FromBig(interpreter.evm.Context.BaseFee)
	scope.Stack.push(baseFee)
	return nil, nil
}