mirror of https://github.com/status-im/op-geth.git
338 lines
8.9 KiB
Go
338 lines
8.9 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 ethclient
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import (
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"context"
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"errors"
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"fmt"
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"math/big"
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"reflect"
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"testing"
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"time"
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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/node"
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"github.com/ethereum/go-ethereum/params"
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)
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// Verify that Client implements the ethereum interfaces.
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var (
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_ = ethereum.ChainReader(&Client{})
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_ = ethereum.TransactionReader(&Client{})
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_ = ethereum.ChainStateReader(&Client{})
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_ = ethereum.ChainSyncReader(&Client{})
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_ = ethereum.ContractCaller(&Client{})
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_ = ethereum.GasEstimator(&Client{})
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_ = ethereum.GasPricer(&Client{})
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_ = ethereum.LogFilterer(&Client{})
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_ = ethereum.PendingStateReader(&Client{})
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// _ = ethereum.PendingStateEventer(&Client{})
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_ = ethereum.PendingContractCaller(&Client{})
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)
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func TestToFilterArg(t *testing.T) {
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blockHashErr := fmt.Errorf("cannot specify both BlockHash and FromBlock/ToBlock")
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addresses := []common.Address{
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common.HexToAddress("0xD36722ADeC3EdCB29c8e7b5a47f352D701393462"),
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}
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blockHash := common.HexToHash(
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"0xeb94bb7d78b73657a9d7a99792413f50c0a45c51fc62bdcb08a53f18e9a2b4eb",
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)
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for _, testCase := range []struct {
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name string
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input ethereum.FilterQuery
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output interface{}
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err error
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}{
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{
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"without BlockHash",
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ethereum.FilterQuery{
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Addresses: addresses,
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FromBlock: big.NewInt(1),
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ToBlock: big.NewInt(2),
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Topics: [][]common.Hash{},
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},
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map[string]interface{}{
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"address": addresses,
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"fromBlock": "0x1",
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"toBlock": "0x2",
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"topics": [][]common.Hash{},
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},
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nil,
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},
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{
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"with nil fromBlock and nil toBlock",
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ethereum.FilterQuery{
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Addresses: addresses,
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Topics: [][]common.Hash{},
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},
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map[string]interface{}{
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"address": addresses,
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"fromBlock": "0x0",
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"toBlock": "latest",
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"topics": [][]common.Hash{},
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},
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nil,
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},
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{
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"with blockhash",
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ethereum.FilterQuery{
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Addresses: addresses,
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BlockHash: &blockHash,
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Topics: [][]common.Hash{},
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},
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map[string]interface{}{
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"address": addresses,
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"blockHash": blockHash,
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"topics": [][]common.Hash{},
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},
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nil,
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},
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{
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"with blockhash and from block",
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ethereum.FilterQuery{
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Addresses: addresses,
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BlockHash: &blockHash,
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FromBlock: big.NewInt(1),
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Topics: [][]common.Hash{},
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},
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nil,
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blockHashErr,
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},
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{
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"with blockhash and to block",
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ethereum.FilterQuery{
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Addresses: addresses,
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BlockHash: &blockHash,
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ToBlock: big.NewInt(1),
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Topics: [][]common.Hash{},
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},
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nil,
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blockHashErr,
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},
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{
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"with blockhash and both from / to block",
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ethereum.FilterQuery{
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Addresses: addresses,
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BlockHash: &blockHash,
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FromBlock: big.NewInt(1),
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ToBlock: big.NewInt(2),
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Topics: [][]common.Hash{},
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},
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nil,
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blockHashErr,
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},
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} {
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t.Run(testCase.name, func(t *testing.T) {
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output, err := toFilterArg(testCase.input)
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if (testCase.err == nil) != (err == nil) {
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t.Fatalf("expected error %v but got %v", testCase.err, err)
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}
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if testCase.err != nil {
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if testCase.err.Error() != err.Error() {
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t.Fatalf("expected error %v but got %v", testCase.err, err)
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}
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} else if !reflect.DeepEqual(testCase.output, output) {
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t.Fatalf("expected filter arg %v but got %v", testCase.output, output)
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}
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})
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}
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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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// Start Ethereum service.
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var ethservice *eth.Ethereum
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n, err := node.New(&node.Config{})
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n.Register(func(ctx *node.ServiceContext) (node.Service, error) {
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config := ð.Config{Genesis: genesis}
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config.Ethash.PowMode = ethash.ModeFake
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ethservice, err = eth.New(ctx, config)
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return ethservice, 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 TestHeader(t *testing.T) {
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backend, chain := newTestBackend(t)
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client, _ := backend.Attach()
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defer backend.Stop()
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defer client.Close()
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tests := map[string]struct {
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block *big.Int
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want *types.Header
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wantErr error
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}{
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"genesis": {
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block: big.NewInt(0),
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want: chain[0].Header(),
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},
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"first_block": {
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block: big.NewInt(1),
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want: chain[1].Header(),
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},
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"future_block": {
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block: big.NewInt(1000000000),
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want: nil,
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},
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}
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for name, tt := range tests {
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t.Run(name, func(t *testing.T) {
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ec := NewClient(client)
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ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
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defer cancel()
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got, err := ec.HeaderByNumber(ctx, tt.block)
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if tt.wantErr != nil && (err == nil || err.Error() != tt.wantErr.Error()) {
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t.Fatalf("HeaderByNumber(%v) error = %q, want %q", tt.block, err, tt.wantErr)
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}
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if got != nil && got.Number.Sign() == 0 {
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got.Number = big.NewInt(0) // hack to make DeepEqual work
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Fatalf("HeaderByNumber(%v)\n = %v\nwant %v", tt.block, got, tt.want)
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}
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})
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}
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}
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func TestBalanceAt(t *testing.T) {
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backend, _ := newTestBackend(t)
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client, _ := backend.Attach()
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defer backend.Stop()
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defer client.Close()
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tests := map[string]struct {
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account common.Address
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block *big.Int
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want *big.Int
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wantErr error
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}{
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"valid_account": {
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account: testAddr,
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block: big.NewInt(1),
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want: testBalance,
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},
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"non_existent_account": {
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account: common.Address{1},
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block: big.NewInt(1),
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want: big.NewInt(0),
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},
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"future_block": {
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account: testAddr,
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block: big.NewInt(1000000000),
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want: big.NewInt(0),
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wantErr: errors.New("header not found"),
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},
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}
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for name, tt := range tests {
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t.Run(name, func(t *testing.T) {
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ec := NewClient(client)
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ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
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defer cancel()
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got, err := ec.BalanceAt(ctx, tt.account, tt.block)
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if tt.wantErr != nil && (err == nil || err.Error() != tt.wantErr.Error()) {
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t.Fatalf("BalanceAt(%x, %v) error = %q, want %q", tt.account, tt.block, err, tt.wantErr)
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}
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if got.Cmp(tt.want) != 0 {
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t.Fatalf("BalanceAt(%x, %v) = %v, want %v", tt.account, tt.block, got, tt.want)
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}
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})
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}
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}
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func TestTransactionInBlockInterrupted(t *testing.T) {
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backend, _ := newTestBackend(t)
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client, _ := backend.Attach()
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defer backend.Stop()
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defer client.Close()
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ec := NewClient(client)
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ctx, cancel := context.WithCancel(context.Background())
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cancel()
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tx, err := ec.TransactionInBlock(ctx, common.Hash{1}, 1)
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if tx != nil {
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t.Fatal("transaction should be nil")
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}
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if err == nil {
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t.Fatal("error should not be nil")
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}
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}
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func TestChainID(t *testing.T) {
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backend, _ := newTestBackend(t)
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client, _ := backend.Attach()
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defer backend.Stop()
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defer client.Close()
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ec := NewClient(client)
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id, err := ec.ChainID(context.Background())
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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 id == nil || id.Cmp(params.AllEthashProtocolChanges.ChainID) != 0 {
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t.Fatalf("ChainID returned wrong number: %+v", id)
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}
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}
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