c97df052a9
The need for these functions comes up in code that actually deploys and uses contracts. As of this commit, they can be used with both SimulatedBackend and ethclient. SimulatedBackend gains some additional methods in the process and is now safe for concurrent use.
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(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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