github.com/XinFinOrg/xdcchain@v1.1.0/contracts/randomize/randomize.go (about)

     1  // Copyright (c) 2018 XDCchain
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Lesser General Public License as published by
     5  // the Free Software Foundation, either version 3 of the License, or
     6  // (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    11  // GNU Lesser General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Lesser General Public License
    14  // along with this program. If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package randomize
    17  
    18  import (
    19  	"github.com/ethereum/go-ethereum/accounts/abi/bind"
    20  	"github.com/ethereum/go-ethereum/common"
    21  	"github.com/ethereum/go-ethereum/contracts/randomize/contract"
    22  )
    23  
    24  type Randomize struct {
    25  	*contract.XDCRandomizeSession
    26  	contractBackend bind.ContractBackend
    27  }
    28  
    29  func NewRandomize(transactOpts *bind.TransactOpts, contractAddr common.Address, contractBackend bind.ContractBackend) (*Randomize, error) {
    30  	randomize, err := contract.NewXDCRandomize(contractAddr, contractBackend)
    31  	if err != nil {
    32  		return nil, err
    33  	}
    34  
    35  	return &Randomize{
    36  		&contract.XDCRandomizeSession{
    37  			Contract:     randomize,
    38  			TransactOpts: *transactOpts,
    39  		},
    40  		contractBackend,
    41  	}, nil
    42  }
    43  
    44  func DeployRandomize(transactOpts *bind.TransactOpts, contractBackend bind.ContractBackend) (common.Address, *Randomize, error) {
    45  	randomizeAddr, _, _, err := contract.DeployXDCRandomize(transactOpts, contractBackend)
    46  	if err != nil {
    47  		return randomizeAddr, nil, err
    48  	}
    49  
    50  	randomize, err := NewRandomize(transactOpts, randomizeAddr, contractBackend)
    51  	if err != nil {
    52  		return randomizeAddr, nil, err
    53  	}
    54  
    55  	return randomizeAddr, randomize, nil
    56  }