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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package bind_test
import (
"context"
"math/big"
"testing"
"time"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
)
var testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
var waitDeployedTests = map[string]struct {
code string
gas uint64
wantAddress common.Address
wantErr error
}{
"successful deploy": {
code: `6060604052600a8060106000396000f360606040526008565b00`,
gas: 3000000,
wantAddress: common.HexToAddress("0x3a220f351252089d385b29beca14e27f204c296a"),
},
"empty code": {
code: ``,
gas: 300000,
wantErr: bind.ErrNoCodeAfterDeploy,
wantAddress: common.HexToAddress("0x3a220f351252089d385b29beca14e27f204c296a"),
},
}
func TestWaitDeployed(t *testing.T) {
for name, test := range waitDeployedTests {
backend := backends.NewSimulatedBackend(
core.GenesisAlloc{
crypto.PubkeyToAddress(testKey.PublicKey): {Balance: big.NewInt(10000000000)},
}, 10000000,
)
// Create the transaction.
tx := types.NewContractCreation(0, big.NewInt(0), test.gas, big.NewInt(1), common.FromHex(test.code))
tx, _ = types.SignTx(tx, types.HomesteadSigner{}, testKey)
// Wait for it to get mined in the background.
var (
err error
address common.Address
mined = make(chan struct{})
ctx = context.Background()
)
go func() {
address, err = bind.WaitDeployed(ctx, backend, tx)
close(mined)
}()
// Send and mine the transaction.
backend.SendTransaction(ctx, tx)
backend.Commit()
select {
case <-mined:
if err != test.wantErr {
t.Errorf("test %q: error mismatch: got %q, want %q", name, err, test.wantErr)
}
if address != test.wantAddress {
t.Errorf("test %q: unexpected contract address %s", name, address.Hex())
}
case <-time.After(2 * time.Second):
t.Errorf("test %q: timeout", name)
}
}
}
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