mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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93 lines
2.8 KiB
Go
93 lines
2.8 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 off
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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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// Debugging utilities for Merkle Patricia trees
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package trie
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import (
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"bytes"
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"fmt"
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"testing"
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"github.com/holiman/uint256"
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libcommon "github.com/ledgerwatch/erigon-lib/common"
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"github.com/ledgerwatch/erigon/common"
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"github.com/ledgerwatch/erigon/core/types/accounts"
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)
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var debugTests = []struct {
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aHexKeys []string
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aBalances []uint64
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sHexKeys []string
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sHexValues []string
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}{
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{
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aHexKeys: []string{"0x00000000"},
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aBalances: []uint64{13},
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sHexKeys: []string{},
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sHexValues: []string{},
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},
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{
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aHexKeys: []string{"0x0000000000000000"},
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aBalances: []uint64{13},
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sHexKeys: []string{"0x00000000000000000100000000000001", "0x00000000000000000020000000000002"},
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sHexValues: []string{"0x01", "0x02"},
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},
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{
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aHexKeys: []string{"0x0000000000000000", "0x000f000000000000"},
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aBalances: []uint64{13, 567},
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sHexKeys: []string{"0x00000000000000000100000000000001", "0x00000000000000000020000000000002"},
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sHexValues: []string{"0x01", "0x02"},
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},
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}
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func TestPrintLoad(t *testing.T) {
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trace := true
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for tn, debugTest := range debugTests {
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if trace {
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fmt.Printf("Test number %d\n", tn)
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}
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tr := New(libcommon.Hash{})
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for i, balance := range debugTest.aBalances {
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account := &accounts.Account{Initialised: true, Balance: *uint256.NewInt(balance), CodeHash: emptyState}
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tr.UpdateAccount(common.FromHex(debugTest.aHexKeys[i]), account)
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}
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for i, sHexKey := range debugTest.sHexKeys {
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tr.Update(common.FromHex(sHexKey), common.FromHex(debugTest.sHexValues[i]))
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}
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trieHash := tr.Hash()
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var b bytes.Buffer
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tr.Print(&b)
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if trace {
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fmt.Printf("Trie: %s\n", tr.root.fstring(""))
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fmt.Printf("Buffer: 0x%x\n", b.Bytes())
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}
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trLoaded, err := Load(&b)
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if err != nil {
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t.Errorf("could not load trie from the buffer: %v", err)
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}
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loadedHash := trLoaded.Hash()
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if trace {
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fmt.Printf("Loaded trie: %s\n", trLoaded.root.fstring(""))
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}
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if trieHash != loadedHash {
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t.Errorf("original trie hash %x != loaded trie hash %x", trieHash, loadedHash)
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}
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}
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}
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