mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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97887d98da
* swarm/network, swarm/storage: validate default chunk size * swarm/bmt, swarm/network, swarm/storage: update BMT hash initialisation * swarm/bmt: move segmentCount to tests * swarm/chunk: change chunk.DefaultSize to be untyped const * swarm/storage: add size validator * swarm/storage: add chunk size validation to localstore * swarm/storage: move validation from localstore to validator * swarm/storage: global chunk rules in MRU
121 lines
4.1 KiB
Go
121 lines
4.1 KiB
Go
// Copyright 2018 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 storage
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import (
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"io/ioutil"
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"os"
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"testing"
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"github.com/ethereum/go-ethereum/swarm/chunk"
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)
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var (
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hashfunc = MakeHashFunc(DefaultHash)
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)
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// tests that the content address validator correctly checks the data
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// tests that resource update chunks are passed through content address validator
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// the test checking the resouce update validator internal correctness is found in resource_test.go
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func TestValidator(t *testing.T) {
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// set up localstore
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datadir, err := ioutil.TempDir("", "storage-testvalidator")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(datadir)
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params := NewDefaultLocalStoreParams()
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params.Init(datadir)
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store, err := NewLocalStore(params, nil)
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if err != nil {
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t.Fatal(err)
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}
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// check puts with no validators, both succeed
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chunks := GenerateRandomChunks(259, 2)
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goodChunk := chunks[0]
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badChunk := chunks[1]
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copy(badChunk.SData, goodChunk.SData)
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PutChunks(store, goodChunk, badChunk)
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if err := goodChunk.GetErrored(); err != nil {
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t.Fatalf("expected no error on good content address chunk in spite of no validation, but got: %s", err)
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}
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if err := badChunk.GetErrored(); err != nil {
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t.Fatalf("expected no error on bad content address chunk in spite of no validation, but got: %s", err)
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}
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// add content address validator and check puts
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// bad should fail, good should pass
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store.Validators = append(store.Validators, NewContentAddressValidator(hashfunc))
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chunks = GenerateRandomChunks(chunk.DefaultSize, 2)
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goodChunk = chunks[0]
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badChunk = chunks[1]
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copy(badChunk.SData, goodChunk.SData)
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PutChunks(store, goodChunk, badChunk)
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if err := goodChunk.GetErrored(); err != nil {
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t.Fatalf("expected no error on good content address chunk with content address validator only, but got: %s", err)
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}
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if err := badChunk.GetErrored(); err == nil {
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t.Fatal("expected error on bad content address chunk with content address validator only, but got nil")
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}
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// append a validator that always denies
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// bad should fail, good should pass,
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var negV boolTestValidator
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store.Validators = append(store.Validators, negV)
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chunks = GenerateRandomChunks(chunk.DefaultSize, 2)
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goodChunk = chunks[0]
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badChunk = chunks[1]
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copy(badChunk.SData, goodChunk.SData)
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PutChunks(store, goodChunk, badChunk)
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if err := goodChunk.GetErrored(); err != nil {
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t.Fatalf("expected no error on good content address chunk with content address validator only, but got: %s", err)
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}
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if err := badChunk.GetErrored(); err == nil {
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t.Fatal("expected error on bad content address chunk with content address validator only, but got nil")
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}
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// append a validator that always approves
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// all shall pass
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var posV boolTestValidator = true
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store.Validators = append(store.Validators, posV)
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chunks = GenerateRandomChunks(chunk.DefaultSize, 2)
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goodChunk = chunks[0]
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badChunk = chunks[1]
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copy(badChunk.SData, goodChunk.SData)
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PutChunks(store, goodChunk, badChunk)
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if err := goodChunk.GetErrored(); err != nil {
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t.Fatalf("expected no error on good content address chunk with content address validator only, but got: %s", err)
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}
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if err := badChunk.GetErrored(); err != nil {
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t.Fatalf("expected no error on bad content address chunk with content address validator only, but got: %s", err)
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}
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}
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type boolTestValidator bool
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func (self boolTestValidator) Validate(addr Address, data []byte) bool {
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return bool(self)
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}
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