github.com/dominant-strategies/go-quai@v0.28.2/core/vm/eips.go (about)

     1  // Copyright 2019 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package vm
    18  
    19  import (
    20  	"github.com/holiman/uint256"
    21  )
    22  
    23  func opSelfBalance(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
    24  	internalAddr, err := scope.Contract.Address().InternalAddress()
    25  	if err != nil {
    26  		return nil, err
    27  	}
    28  	balance, _ := uint256.FromBig(interpreter.evm.StateDB.GetBalance(internalAddr))
    29  	scope.Stack.push(balance)
    30  	return nil, nil
    31  }
    32  
    33  // opChainID implements CHAINID opcode
    34  func opChainID(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
    35  	chainId, _ := uint256.FromBig(interpreter.evm.chainConfig.ChainID)
    36  	scope.Stack.push(chainId)
    37  	return nil, nil
    38  }
    39  
    40  // opBaseFee implements BASEFEE opcode
    41  func opBaseFee(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
    42  	baseFee, _ := uint256.FromBig(interpreter.evm.Context.BaseFee)
    43  	scope.Stack.push(baseFee)
    44  	return nil, nil
    45  }