mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-26 09:42:22 +00:00
256 lines
9.2 KiB
Go
256 lines
9.2 KiB
Go
package core
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import (
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"errors"
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"path"
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"sort"
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"testing"
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"time"
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"github.com/nspcc-dev/neo-go/internal/testserdes"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/config/netmode"
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"github.com/nspcc-dev/neo-go/pkg/core/native/noderoles"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/core/storage"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/network/payload"
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"github.com/nspcc-dev/neo-go/pkg/services/stateroot"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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"github.com/nspcc-dev/neo-go/pkg/wallet"
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"github.com/stretchr/testify/require"
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"go.uber.org/atomic"
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"go.uber.org/zap/zaptest"
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)
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func testSignStateRoot(t *testing.T, r *state.MPTRoot, pubs keys.PublicKeys, accs ...*wallet.Account) []byte {
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n := smartcontract.GetMajorityHonestNodeCount(len(accs))
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w := io.NewBufBinWriter()
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for i := 0; i < n; i++ {
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sig := accs[i].PrivateKey().SignHashable(uint32(netmode.UnitTestNet), r)
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emit.Bytes(w.BinWriter, sig)
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}
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require.NoError(t, w.Err)
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script, err := smartcontract.CreateMajorityMultiSigRedeemScript(pubs.Copy())
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require.NoError(t, err)
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r.Witness = []transaction.Witness{{
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VerificationScript: script,
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InvocationScript: w.Bytes(),
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}}
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data, err := testserdes.EncodeBinary(stateroot.NewMessage(stateroot.RootT, r))
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require.NoError(t, err)
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return data
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}
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func newMajorityMultisigWithGAS(t *testing.T, n int) (util.Uint160, keys.PublicKeys, []*wallet.Account) {
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accs := make([]*wallet.Account, n)
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for i := range accs {
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acc, err := wallet.NewAccount()
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require.NoError(t, err)
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accs[i] = acc
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}
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sort.Slice(accs, func(i, j int) bool {
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pi := accs[i].PrivateKey().PublicKey()
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pj := accs[j].PrivateKey().PublicKey()
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return pi.Cmp(pj) == -1
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})
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pubs := make(keys.PublicKeys, n)
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for i := range pubs {
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pubs[i] = accs[i].PrivateKey().PublicKey()
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}
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script, err := smartcontract.CreateMajorityMultiSigRedeemScript(pubs)
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require.NoError(t, err)
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return hash.Hash160(script), pubs, accs
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}
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func TestStateRoot(t *testing.T) {
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bc := newTestChain(t)
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h, pubs, accs := newMajorityMultisigWithGAS(t, 2)
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bc.setNodesByRole(t, true, noderoles.StateValidator, pubs)
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updateIndex := bc.BlockHeight()
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transferTokenFromMultisigAccount(t, bc, h, bc.contracts.GAS.Hash, 1_0000_0000)
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tmpDir := t.TempDir()
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w := createAndWriteWallet(t, accs[0], path.Join(tmpDir, "w"), "pass")
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cfg := createStateRootConfig(w.Path(), "pass")
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srv, err := stateroot.New(cfg, zaptest.NewLogger(t), bc, nil)
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require.NoError(t, err)
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require.EqualValues(t, 0, srv.CurrentValidatedHeight())
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r, err := srv.GetStateRoot(bc.BlockHeight())
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require.NoError(t, err)
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require.Equal(t, r.Root, srv.CurrentLocalStateRoot())
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t.Run("invalid message", func(t *testing.T) {
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require.Error(t, srv.OnPayload(&payload.Extensible{Data: []byte{42}}))
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require.EqualValues(t, 0, srv.CurrentValidatedHeight())
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})
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t.Run("drop zero index", func(t *testing.T) {
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r, err := srv.GetStateRoot(0)
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require.NoError(t, err)
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data, err := testserdes.EncodeBinary(stateroot.NewMessage(stateroot.RootT, r))
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require.NoError(t, err)
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require.NoError(t, srv.OnPayload(&payload.Extensible{Data: data}))
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require.EqualValues(t, 0, srv.CurrentValidatedHeight())
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})
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t.Run("invalid height", func(t *testing.T) {
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r, err := srv.GetStateRoot(1)
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require.NoError(t, err)
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r.Index = 10
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data := testSignStateRoot(t, r, pubs, accs...)
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require.Error(t, srv.OnPayload(&payload.Extensible{Data: data}))
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require.EqualValues(t, 0, srv.CurrentValidatedHeight())
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})
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t.Run("invalid signer", func(t *testing.T) {
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accInv, err := wallet.NewAccount()
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require.NoError(t, err)
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pubs := keys.PublicKeys{accInv.PrivateKey().PublicKey()}
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require.NoError(t, accInv.ConvertMultisig(1, pubs))
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transferTokenFromMultisigAccount(t, bc, accInv.Contract.ScriptHash(), bc.contracts.GAS.Hash, 1_0000_0000)
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r, err := srv.GetStateRoot(1)
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require.NoError(t, err)
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data := testSignStateRoot(t, r, pubs, accInv)
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err = srv.OnPayload(&payload.Extensible{Data: data})
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require.True(t, errors.Is(err, ErrWitnessHashMismatch), "got: %v", err)
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require.EqualValues(t, 0, srv.CurrentValidatedHeight())
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})
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r, err = srv.GetStateRoot(updateIndex + 1)
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require.NoError(t, err)
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data := testSignStateRoot(t, r, pubs, accs...)
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require.NoError(t, srv.OnPayload(&payload.Extensible{Data: data}))
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require.EqualValues(t, 2, srv.CurrentValidatedHeight())
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r, err = srv.GetStateRoot(updateIndex + 1)
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require.NoError(t, err)
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require.NotEqual(t, 0, len(r.Witness))
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require.Equal(t, h, r.Witness[0].ScriptHash())
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}
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func TestStateRootInitNonZeroHeight(t *testing.T) {
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st := memoryStore{storage.NewMemoryStore()}
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h, pubs, accs := newMajorityMultisigWithGAS(t, 2)
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var root util.Uint256
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t.Run("init", func(t *testing.T) { // this is in a separate test to do proper cleanup
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bc := newTestChainWithCustomCfgAndStore(t, st, nil)
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bc.setNodesByRole(t, true, noderoles.StateValidator, pubs)
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transferTokenFromMultisigAccount(t, bc, h, bc.contracts.GAS.Hash, 1_0000_0000)
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_, err := persistBlock(bc)
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require.NoError(t, err)
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tmpDir := t.TempDir()
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w := createAndWriteWallet(t, accs[0], path.Join(tmpDir, "w"), "pass")
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cfg := createStateRootConfig(w.Path(), "pass")
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srv, err := stateroot.New(cfg, zaptest.NewLogger(t), bc, nil)
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require.NoError(t, err)
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r, err := srv.GetStateRoot(2)
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require.NoError(t, err)
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data := testSignStateRoot(t, r, pubs, accs...)
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require.NoError(t, srv.OnPayload(&payload.Extensible{Data: data}))
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require.EqualValues(t, 2, srv.CurrentValidatedHeight())
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root = srv.CurrentLocalStateRoot()
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})
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bc2 := newTestChainWithCustomCfgAndStore(t, st, nil)
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srv := bc2.GetStateModule()
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require.EqualValues(t, 2, srv.CurrentValidatedHeight())
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require.Equal(t, root, srv.CurrentLocalStateRoot())
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}
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func createAndWriteWallet(t *testing.T, acc *wallet.Account, path, password string) *wallet.Wallet {
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w, err := wallet.NewWallet(path)
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require.NoError(t, err)
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require.NoError(t, acc.Encrypt(password, w.Scrypt))
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w.AddAccount(acc)
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require.NoError(t, w.Save())
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w.Close()
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return w
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}
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func createStateRootConfig(walletPath, password string) config.StateRoot {
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return config.StateRoot{
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Enabled: true,
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UnlockWallet: config.Wallet{
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Path: walletPath,
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Password: password,
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},
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}
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}
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func TestStateRootFull(t *testing.T) {
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tmpDir := t.TempDir()
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bc := newTestChain(t)
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h, pubs, accs := newMajorityMultisigWithGAS(t, 2)
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w := createAndWriteWallet(t, accs[1], path.Join(tmpDir, "wallet2"), "two")
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cfg := createStateRootConfig(w.Path(), "two")
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var lastValidated atomic.Value
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var lastHeight atomic.Uint32
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srv, err := stateroot.New(cfg, zaptest.NewLogger(t), bc, func(ep *payload.Extensible) {
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lastHeight.Store(ep.ValidBlockStart)
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lastValidated.Store(ep)
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})
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require.NoError(t, err)
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srv.Run()
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t.Cleanup(srv.Shutdown)
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bc.setNodesByRole(t, true, noderoles.StateValidator, pubs)
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transferTokenFromMultisigAccount(t, bc, h, bc.contracts.GAS.Hash, 1_0000_0000)
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require.Eventually(t, func() bool { return lastHeight.Load() == 2 }, time.Second, time.Millisecond)
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checkVoteBroadcasted(t, bc, lastValidated.Load().(*payload.Extensible), 2, 1)
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_, err = persistBlock(bc)
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require.NoError(t, err)
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require.Eventually(t, func() bool { return lastHeight.Load() == 3 }, time.Second, time.Millisecond)
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checkVoteBroadcasted(t, bc, lastValidated.Load().(*payload.Extensible), 3, 1)
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r, err := srv.GetStateRoot(2)
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require.NoError(t, err)
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require.NoError(t, srv.AddSignature(2, 0, accs[0].PrivateKey().SignHashable(uint32(netmode.UnitTestNet), r)))
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require.NotNil(t, lastValidated.Load().(*payload.Extensible))
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msg := new(stateroot.Message)
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require.NoError(t, testserdes.DecodeBinary(lastValidated.Load().(*payload.Extensible).Data, msg))
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require.NotEqual(t, stateroot.RootT, msg.Type) // not a sender for this root
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r, err = srv.GetStateRoot(3)
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require.NoError(t, err)
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require.Error(t, srv.AddSignature(2, 0, accs[0].PrivateKey().SignHashable(uint32(netmode.UnitTestNet), r)))
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require.NoError(t, srv.AddSignature(3, 0, accs[0].PrivateKey().SignHashable(uint32(netmode.UnitTestNet), r)))
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require.NotNil(t, lastValidated.Load().(*payload.Extensible))
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require.NoError(t, testserdes.DecodeBinary(lastValidated.Load().(*payload.Extensible).Data, msg))
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require.Equal(t, stateroot.RootT, msg.Type)
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actual := msg.Payload.(*state.MPTRoot)
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require.Equal(t, r.Index, actual.Index)
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require.Equal(t, r.Version, actual.Version)
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require.Equal(t, r.Root, actual.Root)
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}
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func checkVoteBroadcasted(t *testing.T, bc *Blockchain, p *payload.Extensible,
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height uint32, valIndex byte) {
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require.NotNil(t, p)
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m := new(stateroot.Message)
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require.NoError(t, testserdes.DecodeBinary(p.Data, m))
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require.Equal(t, stateroot.VoteT, m.Type)
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vote := m.Payload.(*stateroot.Vote)
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srv := bc.GetStateModule()
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r, err := srv.GetStateRoot(bc.BlockHeight())
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require.NoError(t, err)
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require.Equal(t, height, vote.Height)
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require.Equal(t, int32(valIndex), vote.ValidatorIndex)
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pubs, _, err := bc.contracts.Designate.GetDesignatedByRole(bc.dao, noderoles.StateValidator, bc.BlockHeight())
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require.NoError(t, err)
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require.True(t, len(pubs) > int(valIndex))
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require.True(t, pubs[valIndex].VerifyHashable(vote.Signature, uint32(netmode.UnitTestNet), r))
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}
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