83 lines
2.6 KiB
Go
83 lines
2.6 KiB
Go
// Copyright 2019 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 rawdb
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import (
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"math/big"
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"reflect"
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"sort"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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)
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func TestChainIterator(t *testing.T) {
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// Construct test chain db
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chainDb := NewMemoryDatabase()
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var block *types.Block
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var txs []*types.Transaction
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for i := uint64(0); i <= 10; i++ {
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if i == 0 {
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block = types.NewBlock(&types.Header{Number: big.NewInt(int64(i))}, nil, nil, nil) // Empty genesis block
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} else {
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tx := types.NewTransaction(i, common.BytesToAddress([]byte{0x11}), big.NewInt(111), 1111, big.NewInt(11111), []byte{0x11, 0x11, 0x11})
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txs = append(txs, tx)
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block = types.NewBlock(&types.Header{Number: big.NewInt(int64(i))}, []*types.Transaction{tx}, nil, nil)
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}
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WriteBlock(chainDb, block)
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WriteCanonicalHash(chainDb, block.Hash(), block.NumberU64())
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}
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var cases = []struct {
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from, to uint64
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reverse bool
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expect []int
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}{
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{0, 11, true, []int{10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0}},
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{0, 0, true, nil},
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{0, 5, true, []int{4, 3, 2, 1, 0}},
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{10, 11, true, []int{10}},
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{0, 11, false, []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}},
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{0, 0, false, nil},
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{10, 11, false, []int{10}},
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}
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for i, c := range cases {
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var numbers []int
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hashCh, _ := iterateTransactions(chainDb, c.from, c.to, c.reverse)
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if hashCh != nil {
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for h := range hashCh {
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numbers = append(numbers, int(h.number))
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if len(h.hashes) > 0 {
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if got, exp := h.hashes[0], txs[h.number-1].Hash(); got != exp {
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t.Fatalf("hash wrong, got %x exp %x", got, exp)
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}
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}
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}
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}
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if !c.reverse {
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sort.Ints(numbers)
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} else {
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sort.Sort(sort.Reverse(sort.IntSlice(numbers)))
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}
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if !reflect.DeepEqual(numbers, c.expect) {
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t.Fatalf("Case %d failed, visit element mismatch, want %v, got %v", i, c.expect, numbers)
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}
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}
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}
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