94 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package bind_test
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import (
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	"math/big"
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	"testing"
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	"time"
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	"github.com/ethereum/go-ethereum/accounts/abi/bind"
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	"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
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	"github.com/ethereum/go-ethereum/common"
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	"github.com/ethereum/go-ethereum/core"
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	"github.com/ethereum/go-ethereum/core/types"
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	"github.com/ethereum/go-ethereum/crypto"
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	"golang.org/x/net/context"
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)
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var testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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var waitDeployedTests = map[string]struct {
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	code        string
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	gas         *big.Int
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	wantAddress common.Address
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	wantErr     error
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}{
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	"successful deploy": {
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		code:        `6060604052600a8060106000396000f360606040526008565b00`,
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		gas:         big.NewInt(3000000),
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		wantAddress: common.HexToAddress("0x3a220f351252089d385b29beca14e27f204c296a"),
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	},
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	"empty code": {
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		code:        ``,
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		gas:         big.NewInt(300000),
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		wantErr:     bind.ErrNoCodeAfterDeploy,
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		wantAddress: common.HexToAddress("0x3a220f351252089d385b29beca14e27f204c296a"),
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	},
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}
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func TestWaitDeployed(t *testing.T) {
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	for name, test := range waitDeployedTests {
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		backend := backends.NewSimulatedBackend(core.GenesisAccount{
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			Address: crypto.PubkeyToAddress(testKey.PublicKey),
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			Balance: big.NewInt(10000000000),
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		})
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		// Create the transaction.
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		tx := types.NewContractCreation(0, big.NewInt(0), test.gas, big.NewInt(1), common.FromHex(test.code))
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		tx, _ = tx.SignECDSA(types.HomesteadSigner{}, testKey)
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		// Wait for it to get mined in the background.
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		var (
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			err     error
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			address common.Address
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			mined   = make(chan struct{})
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			ctx     = context.Background()
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		)
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		go func() {
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			address, err = bind.WaitDeployed(ctx, backend, tx)
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			close(mined)
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		}()
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		// Send and mine the transaction.
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		backend.SendTransaction(ctx, tx)
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		backend.Commit()
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		select {
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		case <-mined:
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			if err != test.wantErr {
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				t.Errorf("test %q: error mismatch: got %q, want %q", name, err, test.wantErr)
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			}
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			if address != test.wantAddress {
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				t.Errorf("test %q: unexpected contract address %s", name, address.Hex())
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			}
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		case <-time.After(2 * time.Second):
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			t.Errorf("test %q: timeout", name)
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		}
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	}
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}
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