mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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395 lines
14 KiB
Go
395 lines
14 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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// Pruning of the Merkle Patricia trees
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package trie
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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type mockAccountEvicter struct {
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keys [][]byte
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}
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func newMockAccountEvicter() *mockAccountEvicter {
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return &mockAccountEvicter{make([][]byte, 0)}
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}
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func (m *mockAccountEvicter) EvictNode(key []byte) {
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m.keys = append(m.keys, key)
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}
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func TestEvictionBasicOperations(t *testing.T) {
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eviction := NewEviction()
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eviction.SetBlockNumber(1)
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key := []byte{0x01, 0x01, 0x01, 0x01}
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hex := keybytesToHex(key)
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eviction.CodeNodeCreated(hex, 1024)
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assert.Equal(t, 1024, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 1, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 1024, int(eviction.generations.blockNumToGeneration[1].totalSize), "should register size of gen")
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// grow
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eviction.CodeNodeSizeChanged(hex, 2048)
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assert.Equal(t, 2048, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 1, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 2048, int(eviction.generations.blockNumToGeneration[1].totalSize), "should register size of gen")
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// shrink
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eviction.CodeNodeSizeChanged(hex, 100)
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assert.Equal(t, 100, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 1, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 100, int(eviction.generations.blockNumToGeneration[1].totalSize), "should register size of gen")
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// shrink
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eviction.CodeNodeDeleted(hex)
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assert.Equal(t, 0, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 1, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 0, int(eviction.generations.blockNumToGeneration[1].totalSize), "should register size of gen")
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}
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func TestEvictionPartialSingleGen(t *testing.T) {
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eviction := NewEviction()
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eviction.SetBlockNumber(1)
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// create 100kb or accounts
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for i := 0; i < 100; i++ {
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key := []byte{0x01, 0x01, 0x01, byte(i)}
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eviction.BranchNodeCreated(keybytesToHex(key))
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}
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assert.Equal(t, 100, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 1, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 0, int(eviction.generations.oldestBlockNum), "should register block num")
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assert.Equal(t, 100, int(eviction.generations.blockNumToGeneration[1].totalSize), "should register size of gen")
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mock := newMockAccountEvicter()
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eviction.EvictToFitSize(mock, 99)
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assert.Equal(t, 0, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 0, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 2, int(eviction.generations.oldestBlockNum), "should register block num")
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assert.Equal(t, 100, len(mock.keys), "should evict all 100 accounts")
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}
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func TestEvictionFullSingleGen(t *testing.T) {
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eviction := NewEviction()
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eviction.SetBlockNumber(1)
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// create 100kb or accounts
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for i := 0; i < 100; i++ {
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key := []byte{0x01, 0x01, 0x01, byte(i)}
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eviction.BranchNodeCreated(keybytesToHex(key))
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}
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assert.Equal(t, 100, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 1, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 0, int(eviction.generations.oldestBlockNum), "should register block num")
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assert.Equal(t, 100, int(eviction.generations.blockNumToGeneration[1].totalSize), "should register size of gen")
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mock := newMockAccountEvicter()
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eviction.EvictToFitSize(mock, 0)
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assert.Equal(t, 0, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 0, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 2, int(eviction.generations.oldestBlockNum), "should register block num")
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assert.Equal(t, 100, len(mock.keys), "should evict all 100 accounts")
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}
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func TestEvictionNoNeedSingleGen(t *testing.T) {
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eviction := NewEviction()
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eviction.SetBlockNumber(1)
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// create 100kb or accounts
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for i := 0; i < 100; i++ {
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key := []byte{0x01, 0x01, 0x01, byte(i)}
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eviction.BranchNodeCreated(keybytesToHex(key))
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}
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assert.Equal(t, 100, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 1, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 0, int(eviction.generations.oldestBlockNum), "should register block num")
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assert.Equal(t, 100, int(eviction.generations.blockNumToGeneration[1].totalSize), "should register size of gen")
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mock := newMockAccountEvicter()
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eviction.EvictToFitSize(mock, 100)
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assert.Equal(t, 100, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 1, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 0, int(eviction.generations.oldestBlockNum), "should register block num")
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assert.Equal(t, 100, int(eviction.generations.blockNumToGeneration[1].totalSize), "should register size of gen")
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assert.Equal(t, 0, len(mock.keys), "should evict all 100 accounts")
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}
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func TestEvictionNoNeedMultipleGen(t *testing.T) {
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eviction := NewEviction()
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eviction.SetBlockNumber(1)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x01, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(2)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x02, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(4)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x03, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(5)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x04, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(7)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x05, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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// 50 kb total
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assert.Equal(t, 50*1024, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 5, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 0, int(eviction.generations.oldestBlockNum), "should register block num")
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for _, i := range []uint64{1, 2, 4, 5, 7} {
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assert.Equal(t, 10*1024, int(eviction.generations.blockNumToGeneration[i].totalSize), "should register size of gen")
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}
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mock := newMockAccountEvicter()
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eviction.EvictToFitSize(mock, 50*1024)
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assert.Equal(t, 50*1024, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 5, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 0, int(eviction.generations.oldestBlockNum), "should register block num")
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assert.Equal(t, 0, len(mock.keys), "should not evict anything")
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}
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func TestEvictionPartialMultipleGen(t *testing.T) {
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eviction := NewEviction()
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eviction.SetBlockNumber(1)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x01, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(2)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x02, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(4)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x03, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(5)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x04, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(7)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x05, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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// 50 kb total
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assert.Equal(t, 50*1024, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 5, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 0, int(eviction.generations.oldestBlockNum), "should register block num")
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for _, i := range []uint64{1, 2, 4, 5, 7} {
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assert.Equal(t, 10*1024, int(eviction.generations.blockNumToGeneration[i].totalSize), "should register size of gen")
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}
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mock := newMockAccountEvicter()
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eviction.EvictToFitSize(mock, 20*1024)
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assert.Equal(t, 20*1024, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 2, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 5, int(eviction.generations.oldestBlockNum), "should register block num")
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for _, i := range []uint64{5, 7} {
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assert.Equal(t, 10*1024, int(eviction.generations.blockNumToGeneration[i].totalSize), "should register size of gen")
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}
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assert.Equal(t, 30, len(mock.keys), "should evict only 3 generations")
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}
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func TestEvictionFullMultipleGen(t *testing.T) {
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eviction := NewEviction()
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eviction.SetBlockNumber(1)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x01, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(2)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x02, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(4)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x03, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(5)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x04, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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eviction.SetBlockNumber(7)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x05, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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// 50 kb total
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assert.Equal(t, 50*1024, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 5, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 0, int(eviction.generations.oldestBlockNum), "should register block num")
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for _, i := range []uint64{1, 2, 4, 5, 7} {
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assert.Equal(t, 10*1024, int(eviction.generations.blockNumToGeneration[i].totalSize), "should register size of gen")
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}
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mock := newMockAccountEvicter()
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eviction.EvictToFitSize(mock, 0)
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assert.Equal(t, 0, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 0, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 8, int(eviction.generations.oldestBlockNum), "should register block num")
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assert.Equal(t, 50, len(mock.keys), "should evict only 3 generations")
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}
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func TestEvictionMoveBetweenGen(t *testing.T) {
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eviction := NewEviction()
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eviction.SetBlockNumber(2)
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for i := 0; i < 2; i++ {
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key := []byte{0x01, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 10*1024)
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}
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eviction.SetBlockNumber(4)
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// create 10kb or accounts
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for i := 0; i < 1; i++ {
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key := []byte{0x04, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 20*1024)
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}
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eviction.SetBlockNumber(5)
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// create 10kb or accounts
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for i := 0; i < 10; i++ {
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key := []byte{0x05, 0x01, 0x01, byte(i)}
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eviction.CodeNodeCreated(keybytesToHex(key), 1024)
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}
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assert.Equal(t, 50*1024, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 3, len(eviction.generations.blockNumToGeneration), "should register generation")
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eviction.CodeNodeTouched(keybytesToHex([]byte{0x01, 0x01, 0x01, 0x00}))
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assert.Equal(t, 50*1024, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 3, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 1, len(eviction.generations.blockNumToGeneration[2].keys()), "should move one acc")
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assert.Equal(t, 11, len(eviction.generations.blockNumToGeneration[5].keys()), "should move one acc to gen 5")
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assert.Equal(t, CodeKeyFromAddrHash(keybytesToHex([]byte{0x01, 0x01, 0x01, 0x01})), []byte(eviction.generations.blockNumToGeneration[2].keys()[0]), "should move one acc")
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// move the acc again to the new block!
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eviction.SetBlockNumber(10)
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eviction.CodeNodeTouched(keybytesToHex([]byte{0x01, 0x01, 0x01, 0x00}))
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assert.Equal(t, 50*1024, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 4, len(eviction.generations.blockNumToGeneration), "should register generation")
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assert.Equal(t, 10, len(eviction.generations.blockNumToGeneration[5].keys()), "should move one acc from gen 5, again 10")
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assert.Equal(t, CodeKeyFromAddrHash(keybytesToHex([]byte{0x01, 0x01, 0x01, 0x00})), []byte(eviction.generations.blockNumToGeneration[10].keys()[0]), "should move one acc")
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// move the last acc from the gen
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eviction.CodeNodeTouched(keybytesToHex([]byte{0x01, 0x01, 0x01, 0x01}))
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assert.Equal(t, 50*1024, int(eviction.TotalSize()), "should register all accounts")
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assert.Equal(t, 3, len(eviction.generations.blockNumToGeneration), "should register generation")
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_, found := eviction.generations.blockNumToGeneration[2]
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assert.False(t, found, "2nd generation is empty and should be removed")
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assert.Equal(t, 2, len(eviction.generations.blockNumToGeneration[10].keys()), "should move one acc")
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}
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