205 lines
7.0 KiB
Go
205 lines
7.0 KiB
Go
// Copyright 2023 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 catalyst
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import (
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"context"
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"math/big"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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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/eth/downloader"
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"github.com/ethereum/go-ethereum/eth/ethconfig"
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"github.com/ethereum/go-ethereum/miner"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/params"
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)
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func startSimulatedBeaconEthService(t *testing.T, genesis *core.Genesis, period uint64) (*node.Node, *eth.Ethereum, *SimulatedBeacon) {
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t.Helper()
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n, err := node.New(&node.Config{
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P2P: p2p.Config{
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ListenAddr: "127.0.0.1:8545",
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NoDiscovery: true,
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MaxPeers: 0,
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},
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})
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if err != nil {
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t.Fatal("can't create node:", err)
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}
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ethcfg := ðconfig.Config{Genesis: genesis, SyncMode: downloader.FullSync, TrieTimeout: time.Minute, TrieDirtyCache: 256, TrieCleanCache: 256, Miner: miner.DefaultConfig}
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ethservice, err := eth.New(n, ethcfg)
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if err != nil {
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t.Fatal("can't create eth service:", err)
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}
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simBeacon, err := NewSimulatedBeacon(period, ethservice)
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if err != nil {
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t.Fatal("can't create simulated beacon:", err)
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}
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n.RegisterLifecycle(simBeacon)
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if err := n.Start(); err != nil {
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t.Fatal("can't start node:", err)
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}
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ethservice.SetSynced()
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return n, ethservice, simBeacon
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}
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// send 20 transactions, >10 withdrawals and ensure they are included in order
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// send enough transactions to fill multiple blocks
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func TestSimulatedBeaconSendWithdrawals(t *testing.T) {
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var withdrawals []types.Withdrawal
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txs := make(map[common.Hash]*types.Transaction)
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var (
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// testKey is a private key to use for funding a tester account.
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testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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// testAddr is the Ethereum address of the tester account.
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testAddr = crypto.PubkeyToAddress(testKey.PublicKey)
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)
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// short period (1 second) for testing purposes
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var gasLimit uint64 = 10_000_000
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genesis := core.DeveloperGenesisBlock(gasLimit, &testAddr)
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node, ethService, mock := startSimulatedBeaconEthService(t, genesis, 1)
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_ = mock
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defer node.Close()
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chainHeadCh := make(chan core.ChainHeadEvent, 10)
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subscription := ethService.BlockChain().SubscribeChainHeadEvent(chainHeadCh)
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defer subscription.Unsubscribe()
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// generate some withdrawals
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for i := 0; i < 20; i++ {
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withdrawals = append(withdrawals, types.Withdrawal{Index: uint64(i)})
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if err := mock.withdrawals.add(&withdrawals[i]); err != nil {
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t.Fatal("addWithdrawal failed", err)
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}
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}
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// generate a bunch of transactions
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signer := types.NewEIP155Signer(ethService.BlockChain().Config().ChainID)
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for i := 0; i < 20; i++ {
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tx, err := types.SignTx(types.NewTransaction(uint64(i), common.Address{}, big.NewInt(1000), params.TxGas, big.NewInt(params.InitialBaseFee), nil), signer, testKey)
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if err != nil {
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t.Fatalf("error signing transaction, err=%v", err)
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}
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txs[tx.Hash()] = tx
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if err := ethService.APIBackend.SendTx(context.Background(), tx); err != nil {
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t.Fatal("SendTx failed", err)
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}
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}
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includedTxs := make(map[common.Hash]struct{})
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var includedWithdrawals []uint64
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timer := time.NewTimer(12 * time.Second)
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for {
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select {
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case evt := <-chainHeadCh:
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for _, includedTx := range evt.Block.Transactions() {
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includedTxs[includedTx.Hash()] = struct{}{}
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}
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for _, includedWithdrawal := range evt.Block.Withdrawals() {
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includedWithdrawals = append(includedWithdrawals, includedWithdrawal.Index)
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}
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// ensure all withdrawals/txs included. this will take two blocks b/c number of withdrawals > 10
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if len(includedTxs) == len(txs) && len(includedWithdrawals) == len(withdrawals) && evt.Block.Number().Cmp(big.NewInt(2)) == 0 {
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return
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}
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case <-timer.C:
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t.Fatal("timed out without including all withdrawals/txs")
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}
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}
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}
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// Tests that zero-period dev mode can handle a lot of simultaneous
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// transactions/withdrawals
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func TestOnDemandSpam(t *testing.T) {
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var (
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withdrawals []types.Withdrawal
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txs = make(map[common.Hash]*types.Transaction)
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testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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testAddr = crypto.PubkeyToAddress(testKey.PublicKey)
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gasLimit uint64 = 10_000_000
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genesis = core.DeveloperGenesisBlock(gasLimit, &testAddr)
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node, eth, mock = startSimulatedBeaconEthService(t, genesis, 0)
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_ = newSimulatedBeaconAPI(mock)
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signer = types.LatestSigner(eth.BlockChain().Config())
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chainHeadCh = make(chan core.ChainHeadEvent, 100)
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sub = eth.BlockChain().SubscribeChainHeadEvent(chainHeadCh)
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)
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defer node.Close()
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defer sub.Unsubscribe()
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// generate some withdrawals
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for i := 0; i < 20; i++ {
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withdrawals = append(withdrawals, types.Withdrawal{Index: uint64(i)})
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if err := mock.withdrawals.add(&withdrawals[i]); err != nil {
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t.Fatal("addWithdrawal failed", err)
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}
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}
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// generate a bunch of transactions
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for i := 0; i < 20000; i++ {
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tx, err := types.SignTx(types.NewTransaction(uint64(i), common.Address{byte(i), byte(1)}, big.NewInt(1000), params.TxGas, big.NewInt(params.InitialBaseFee*2), nil), signer, testKey)
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if err != nil {
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t.Fatal("error signing transaction", err)
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}
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txs[tx.Hash()] = tx
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if err := eth.APIBackend.SendTx(context.Background(), tx); err != nil {
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t.Fatal("error adding txs to pool", err)
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}
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}
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var (
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includedTxs = make(map[common.Hash]struct{})
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includedWxs []uint64
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)
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for {
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select {
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case evt := <-chainHeadCh:
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for _, itx := range evt.Block.Transactions() {
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includedTxs[itx.Hash()] = struct{}{}
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}
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for _, iwx := range evt.Block.Withdrawals() {
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includedWxs = append(includedWxs, iwx.Index)
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}
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// ensure all withdrawals/txs included. this will take two blocks b/c number of withdrawals > 10
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if len(includedTxs) == len(txs) && len(includedWxs) == len(withdrawals) {
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return
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}
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case <-time.After(10 * time.Second):
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t.Fatalf("timed out without including all withdrawals/txs: have txs %d, want %d, have wxs %d, want %d", len(includedTxs), len(txs), len(includedWxs), len(withdrawals))
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}
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}
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}
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