416 lines
12 KiB
Go
416 lines
12 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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"encoding/json"
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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/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/eth/filters"
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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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testSlot = common.HexToHash("0xdeadbeef")
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testValue = crypto.Keccak256Hash(testSlot[:])
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testBalance = big.NewInt(2e15)
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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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filterSystem := filters.NewFilterSystem(ethservice.APIBackend, filters.Config{})
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n.RegisterAPIs([]rpc.API{{
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Namespace: "eth",
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Service: filters.NewFilterAPI(filterSystem, false),
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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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genesis := &core.Genesis{
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Config: params.AllEthashProtocolChanges,
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Alloc: core.GenesisAlloc{testAddr: {Balance: testBalance, Storage: map[common.Hash]common.Hash{testSlot: testValue}}},
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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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_, blocks, _ := core.GenerateChainWithGenesis(genesis, ethash.NewFaker(), 1, generate)
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blocks = append([]*types.Block{genesis.ToBlock()}, blocks...)
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return genesis, blocks
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}
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func TestGethClient(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 := []struct {
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name string
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test func(t *testing.T)
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}{
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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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"TestSubscribePendingTxHashes",
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func(t *testing.T) { testSubscribePendingTransactions(t, client) },
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}, {
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"TestSubscribePendingTxs",
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func(t *testing.T) { testSubscribeFullPendingTransactions(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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// The testaccesslist is a bit time-sensitive: the newTestBackend imports
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// one block. The `testAcessList` fails if the miner has not yet created a
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// new pending-block after the import event.
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// Hence: this test should be last, execute the tests serially.
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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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"TestSetHead",
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func(t *testing.T) { testSetHead(t, client) },
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},
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}
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for _, tt := range tests {
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t.Run(tt.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(765625000),
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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(1000000000),
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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{testSlot.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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// test storage
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if len(result.StorageProof) != 1 {
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t.Fatalf("invalid storage proof, want 1 proof, got %v proof(s)", len(result.StorageProof))
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}
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proof := result.StorageProof[0]
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slotValue, _ := ethcl.StorageAt(context.Background(), testAddr, testSlot, nil)
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if !bytes.Equal(slotValue, proof.Value.Bytes()) {
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t.Fatalf("invalid storage proof value, want: %v, got: %v", slotValue, proof.Value.Bytes())
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}
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if proof.Key != testSlot.String() {
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t.Fatalf("invalid storage proof key, want: %v, got: %v", testSlot.String(), proof.Key)
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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 sent 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 testSubscribeFullPendingTransactions(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 *types.Transaction)
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ec.SubscribeFullPendingTransactions(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(1, 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 sent over the channel
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tx = <-ch
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if tx.Hash() != signedTx.Hash() {
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t.Fatalf("Invalid tx hash received, got %v, want %v", tx.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(1000000000),
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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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func TestOverrideAccountMarshal(t *testing.T) {
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om := map[common.Address]OverrideAccount{
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common.Address{0x11}: OverrideAccount{
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// Zero-valued nonce is not overriddden, but simply dropped by the encoder.
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Nonce: 0,
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},
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common.Address{0xaa}: OverrideAccount{
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Nonce: 5,
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},
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common.Address{0xbb}: OverrideAccount{
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Code: []byte{1},
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},
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common.Address{0xcc}: OverrideAccount{
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// 'code', 'balance', 'state' should be set when input is
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// a non-nil but empty value.
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Code: []byte{},
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Balance: big.NewInt(0),
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State: map[common.Hash]common.Hash{},
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// For 'stateDiff' the behavior is different, empty map
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// is ignored because it makes no difference.
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StateDiff: map[common.Hash]common.Hash{},
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},
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}
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marshalled, err := json.MarshalIndent(&om, "", " ")
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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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expected := `{
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"0x1100000000000000000000000000000000000000": {},
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"0xaa00000000000000000000000000000000000000": {
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"nonce": "0x5"
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},
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"0xbb00000000000000000000000000000000000000": {
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"code": "0x01"
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},
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"0xcc00000000000000000000000000000000000000": {
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"code": "0x",
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"balance": "0x0",
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"state": {}
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}
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}`
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if string(marshalled) != expected {
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t.Error("wrong output:", string(marshalled))
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t.Error("want:", expected)
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}
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}
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