github.com/n1ghtfa1l/go-vnt@v0.6.4-alpha.6/core/vm/contract.go (about)

     1  // Copyright 2015 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 "github.com/vntchain/go-vnt/common"
    20  
    21  // ContractRef is a reference to the contract's backing object
    22  type ContractRef interface {
    23  	Address() common.Address
    24  }
    25  
    26  // AccountRef implements ContractRef.
    27  //
    28  // Account references are used during VM initialisation and
    29  // it's primary use is to fetch addresses. Removing this object
    30  // proves difficult because of the cached jump destinations which
    31  // are fetched from the parent contract (i.e. the caller), which
    32  // is a ContractRef.
    33  type AccountRef common.Address
    34  
    35  // Address casts AccountRef to a Address
    36  func (ar AccountRef) Address() common.Address { return (common.Address)(ar) }