acdf9238fb
This commit adds the package gethclient which is similar to the ethclient and implements some geth specific functionality. Co-authored-by: Edgar Aroutiounian <edgar.factorial@gmail.com> Co-authored-by: Felix Lange <fjl@twurst.com>
306 lines
8.5 KiB
Go
306 lines
8.5 KiB
Go
// Copyright 2021 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 gethclient
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import (
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"bytes"
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"context"
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"math/big"
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"testing"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/rawdb"
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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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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/eth/ethconfig"
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"github.com/ethereum/go-ethereum/ethclient"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rpc"
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)
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var (
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testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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testAddr = crypto.PubkeyToAddress(testKey.PublicKey)
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testBalance = big.NewInt(2e10)
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)
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func newTestBackend(t *testing.T) (*node.Node, []*types.Block) {
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// Generate test chain.
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genesis, blocks := generateTestChain()
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// Create node
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n, err := node.New(&node.Config{})
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if err != nil {
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t.Fatalf("can't create new node: %v", err)
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}
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// Create Ethereum Service
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config := ðconfig.Config{Genesis: genesis}
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config.Ethash.PowMode = ethash.ModeFake
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ethservice, err := eth.New(n, config)
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if err != nil {
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t.Fatalf("can't create new ethereum service: %v", err)
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}
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// Import the test chain.
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if err := n.Start(); err != nil {
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t.Fatalf("can't start test node: %v", err)
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}
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if _, err := ethservice.BlockChain().InsertChain(blocks[1:]); err != nil {
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t.Fatalf("can't import test blocks: %v", err)
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}
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return n, blocks
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}
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func generateTestChain() (*core.Genesis, []*types.Block) {
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db := rawdb.NewMemoryDatabase()
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config := params.AllEthashProtocolChanges
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genesis := &core.Genesis{
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Config: config,
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Alloc: core.GenesisAlloc{testAddr: {Balance: testBalance}},
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ExtraData: []byte("test genesis"),
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Timestamp: 9000,
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}
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generate := func(i int, g *core.BlockGen) {
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g.OffsetTime(5)
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g.SetExtra([]byte("test"))
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}
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gblock := genesis.ToBlock(db)
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engine := ethash.NewFaker()
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blocks, _ := core.GenerateChain(config, gblock, engine, db, 1, generate)
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blocks = append([]*types.Block{gblock}, blocks...)
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return genesis, blocks
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}
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func TestEthClient(t *testing.T) {
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backend, _ := newTestBackend(t)
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client, err := backend.Attach()
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if err != nil {
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t.Fatal(err)
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}
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defer backend.Close()
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defer client.Close()
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tests := map[string]struct {
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test func(t *testing.T)
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}{
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"TestAccessList": {
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func(t *testing.T) { testAccessList(t, client) },
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},
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"TestGetProof": {
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func(t *testing.T) { testGetProof(t, client) },
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},
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"TestGCStats": {
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func(t *testing.T) { testGCStats(t, client) },
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},
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"TestMemStats": {
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func(t *testing.T) { testMemStats(t, client) },
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},
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"TestGetNodeInfo": {
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func(t *testing.T) { testGetNodeInfo(t, client) },
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},
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"TestSetHead": {
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func(t *testing.T) { testSetHead(t, client) },
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},
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"TestSubscribePendingTxs": {
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func(t *testing.T) { testSubscribePendingTransactions(t, client) },
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},
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"TestCallContract": {
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func(t *testing.T) { testCallContract(t, client) },
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},
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}
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t.Parallel()
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for name, tt := range tests {
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t.Run(name, tt.test)
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}
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}
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func testAccessList(t *testing.T, client *rpc.Client) {
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ec := New(client)
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// Test transfer
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msg := ethereum.CallMsg{
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From: testAddr,
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To: &common.Address{},
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Gas: 21000,
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GasPrice: big.NewInt(1),
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Value: big.NewInt(1),
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}
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al, gas, vmErr, err := ec.CreateAccessList(context.Background(), msg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if vmErr != "" {
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t.Fatalf("unexpected vm error: %v", vmErr)
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}
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if gas != 21000 {
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t.Fatalf("unexpected gas used: %v", gas)
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}
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if len(*al) != 0 {
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t.Fatalf("unexpected length of accesslist: %v", len(*al))
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}
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// Test reverting transaction
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msg = ethereum.CallMsg{
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From: testAddr,
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To: nil,
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Gas: 100000,
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GasPrice: big.NewInt(1),
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Value: big.NewInt(1),
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Data: common.FromHex("0x608060806080608155fd"),
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}
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al, gas, vmErr, err = ec.CreateAccessList(context.Background(), msg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if vmErr == "" {
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t.Fatalf("wanted vmErr, got none")
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}
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if gas == 21000 {
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t.Fatalf("unexpected gas used: %v", gas)
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}
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if len(*al) != 1 || al.StorageKeys() != 1 {
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t.Fatalf("unexpected length of accesslist: %v", len(*al))
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}
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// address changes between calls, so we can't test for it.
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if (*al)[0].Address == common.HexToAddress("0x0") {
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t.Fatalf("unexpected address: %v", (*al)[0].Address)
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}
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if (*al)[0].StorageKeys[0] != common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000081") {
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t.Fatalf("unexpected storage key: %v", (*al)[0].StorageKeys[0])
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}
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}
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func testGetProof(t *testing.T, client *rpc.Client) {
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ec := New(client)
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ethcl := ethclient.NewClient(client)
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result, err := ec.GetProof(context.Background(), testAddr, []string{}, nil)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(result.Address[:], testAddr[:]) {
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t.Fatalf("unexpected address, want: %v got: %v", testAddr, result.Address)
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}
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// test nonce
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nonce, _ := ethcl.NonceAt(context.Background(), result.Address, nil)
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if result.Nonce != nonce {
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t.Fatalf("invalid nonce, want: %v got: %v", nonce, result.Nonce)
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}
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// test balance
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balance, _ := ethcl.BalanceAt(context.Background(), result.Address, nil)
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if result.Balance.Cmp(balance) != 0 {
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t.Fatalf("invalid balance, want: %v got: %v", balance, result.Balance)
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}
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}
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func testGCStats(t *testing.T, client *rpc.Client) {
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ec := New(client)
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_, err := ec.GCStats(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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}
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func testMemStats(t *testing.T, client *rpc.Client) {
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ec := New(client)
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stats, err := ec.MemStats(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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if stats.Alloc == 0 {
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t.Fatal("Invalid mem stats retrieved")
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}
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}
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func testGetNodeInfo(t *testing.T, client *rpc.Client) {
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ec := New(client)
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info, err := ec.GetNodeInfo(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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if info.Name == "" {
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t.Fatal("Invalid node info retrieved")
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}
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}
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func testSetHead(t *testing.T, client *rpc.Client) {
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ec := New(client)
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err := ec.SetHead(context.Background(), big.NewInt(0))
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if err != nil {
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t.Fatal(err)
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}
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}
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func testSubscribePendingTransactions(t *testing.T, client *rpc.Client) {
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ec := New(client)
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ethcl := ethclient.NewClient(client)
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// Subscribe to Transactions
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ch := make(chan common.Hash)
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ec.SubscribePendingTransactions(context.Background(), ch)
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// Send a transaction
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chainID, err := ethcl.ChainID(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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// Create transaction
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tx := types.NewTransaction(0, common.Address{1}, big.NewInt(1), 22000, big.NewInt(1), nil)
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signer := types.LatestSignerForChainID(chainID)
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signature, err := crypto.Sign(signer.Hash(tx).Bytes(), testKey)
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if err != nil {
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t.Fatal(err)
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}
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signedTx, err := tx.WithSignature(signer, signature)
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if err != nil {
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t.Fatal(err)
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}
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// Send transaction
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err = ethcl.SendTransaction(context.Background(), signedTx)
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if err != nil {
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t.Fatal(err)
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}
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// Check that the transaction was send over the channel
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hash := <-ch
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if hash != signedTx.Hash() {
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t.Fatalf("Invalid tx hash received, got %v, want %v", hash, signedTx.Hash())
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}
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}
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func testCallContract(t *testing.T, client *rpc.Client) {
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ec := New(client)
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msg := ethereum.CallMsg{
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From: testAddr,
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To: &common.Address{},
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Gas: 21000,
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GasPrice: big.NewInt(1),
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Value: big.NewInt(1),
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}
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// CallContract without override
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if _, err := ec.CallContract(context.Background(), msg, big.NewInt(0), nil); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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// CallContract with override
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override := OverrideAccount{
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Nonce: 1,
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}
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mapAcc := make(map[common.Address]OverrideAccount)
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mapAcc[testAddr] = override
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if _, err := ec.CallContract(context.Background(), msg, big.NewInt(0), &mapAcc); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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}
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