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) }