github.com/linapex/ethereum-dpos-chinese@v0.0.0-20190316121959-b78b3a4a1ece/contracts/chequebook/gencode.go (about)

     1  
     2  //<developer>
     3  //    <name>linapex 曹一峰</name>
     4  //    <email>linapex@163.com</email>
     5  //    <wx>superexc</wx>
     6  //    <qqgroup>128148617</qqgroup>
     7  //    <url>https://jsq.ink</url>
     8  //    <role>pku engineer</role>
     9  //    <date>2019-03-16 12:09:33</date>
    10  //</624342613473890304>
    11  
    12  
    13  //+不建
    14  
    15  //
    16  //部署后。
    17  package main
    18  
    19  import (
    20  	"fmt"
    21  	"io/ioutil"
    22  	"math/big"
    23  
    24  	"github.com/ethereum/go-ethereum/accounts/abi/bind"
    25  	"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
    26  	"github.com/ethereum/go-ethereum/contracts/chequebook/contract"
    27  	"github.com/ethereum/go-ethereum/core"
    28  	"github.com/ethereum/go-ethereum/crypto"
    29  )
    30  
    31  var (
    32  	testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
    33  	testAlloc  = core.GenesisAlloc{
    34  		crypto.PubkeyToAddress(testKey.PublicKey): {Balance: big.NewInt(500000000000)},
    35  	}
    36  )
    37  
    38  func main() {
    39  	backend := backends.NewSimulatedBackend(testAlloc, uint64(100000000))
    40  	auth := bind.NewKeyedTransactor(testKey)
    41  
    42  //部署合同，获取代码。
    43  	addr, _, _, err := contract.DeployChequebook(auth, backend)
    44  	if err != nil {
    45  		panic(err)
    46  	}
    47  	backend.Commit()
    48  	code, err := backend.CodeAt(nil, addr, nil)
    49  	if err != nil {
    50  		panic(err)
    51  	}
    52  	if len(code) == 0 {
    53  		panic("empty code")
    54  	}
    55  
    56  //
    57  	content := fmt.Sprintf(`package contract
    58  
    59  //ContractDeployedCode用于检测自杀。这个常数需要
    60  //合同代码更改时更新。
    61  const ContractDeployedCode = "%#x"
    62  `, code)
    63  	if err := ioutil.WriteFile("contract/code.go", []byte(content), 0644); err != nil {
    64  		panic(err)
    65  	}
    66  }
    67