github.com/sberex/go-sberex@v1.8.2-0.20181113200658-ed96ac38f7d7/accounts/abi/bind/util_test.go (about)

     1  // This file is part of the go-sberex library. The go-sberex library is 
     2  // free software: you can redistribute it and/or modify it under the terms 
     3  // of the GNU Lesser General Public License as published by the Free 
     4  // Software Foundation, either version 3 of the License, or (at your option)
     5  // any later version.
     6  //
     7  // The go-sberex library is distributed in the hope that it will be useful, 
     8  // but WITHOUT ANY WARRANTY; without even the implied warranty of
     9  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 
    10  // General Public License <http://www.gnu.org/licenses/> for more details.
    11  
    12  package bind_test
    13  
    14  import (
    15  	"context"
    16  	"math/big"
    17  	"testing"
    18  	"time"
    19  
    20  	"github.com/Sberex/go-sberex/accounts/abi/bind"
    21  	"github.com/Sberex/go-sberex/accounts/abi/bind/backends"
    22  	"github.com/Sberex/go-sberex/common"
    23  	"github.com/Sberex/go-sberex/core"
    24  	"github.com/Sberex/go-sberex/core/types"
    25  	"github.com/Sberex/go-sberex/crypto"
    26  )
    27  
    28  var testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
    29  
    30  var waitDeployedTests = map[string]struct {
    31  	code        string
    32  	gas         uint64
    33  	wantAddress common.Address
    34  	wantErr     error
    35  }{
    36  	"successful deploy": {
    37  		code:        `6060604052600a8060106000396000f360606040526008565b00`,
    38  		gas:         3000000,
    39  		wantAddress: common.HexToAddress("0x3a220f351252089d385b29beca14e27f204c296a"),
    40  	},
    41  	"empty code": {
    42  		code:        ``,
    43  		gas:         300000,
    44  		wantErr:     bind.ErrNoCodeAfterDeploy,
    45  		wantAddress: common.HexToAddress("0x3a220f351252089d385b29beca14e27f204c296a"),
    46  	},
    47  }
    48  
    49  func TestWaitDeployed(t *testing.T) {
    50  	for name, test := range waitDeployedTests {
    51  		backend := backends.NewSimulatedBackend(core.GenesisAlloc{
    52  			crypto.PubkeyToAddress(testKey.PublicKey): {Balance: big.NewInt(10000000000)},
    53  		})
    54  
    55  		// Create the transaction.
    56  		tx := types.NewContractCreation(0, big.NewInt(0), test.gas, big.NewInt(1), common.FromHex(test.code))
    57  		tx, _ = types.SignTx(tx, types.HomesteadSigner{}, testKey)
    58  
    59  		// Wait for it to get mined in the background.
    60  		var (
    61  			err     error
    62  			address common.Address
    63  			mined   = make(chan struct{})
    64  			ctx     = context.Background()
    65  		)
    66  		go func() {
    67  			address, err = bind.WaitDeployed(ctx, backend, tx)
    68  			close(mined)
    69  		}()
    70  
    71  		// Send and mine the transaction.
    72  		backend.SendTransaction(ctx, tx)
    73  		backend.Commit()
    74  
    75  		select {
    76  		case <-mined:
    77  			if err != test.wantErr {
    78  				t.Errorf("test %q: error mismatch: got %q, want %q", name, err, test.wantErr)
    79  			}
    80  			if address != test.wantAddress {
    81  				t.Errorf("test %q: unexpected contract address %s", name, address.Hex())
    82  			}
    83  		case <-time.After(2 * time.Second):
    84  			t.Errorf("test %q: timeout", name)
    85  		}
    86  	}
    87  }