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220 lines
6.5 KiB
220 lines
6.5 KiB
package state_test
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import (
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"fmt"
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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dbm "github.com/tendermint/tm-db"
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abci "github.com/tendermint/tendermint/abci/types"
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cfg "github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/crypto"
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"github.com/tendermint/tendermint/crypto/ed25519"
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tmrand "github.com/tendermint/tendermint/libs/rand"
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tmstate "github.com/tendermint/tendermint/proto/tendermint/state"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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sm "github.com/tendermint/tendermint/state"
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"github.com/tendermint/tendermint/types"
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)
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func TestStoreLoadValidators(t *testing.T) {
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stateDB := dbm.NewMemDB()
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val, _ := types.RandValidator(true, 10)
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vals := types.NewValidatorSet([]*types.Validator{val})
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// 1) LoadValidators loads validators using a height where they were last changed
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sm.SaveValidatorsInfo(stateDB, 1, 1, vals)
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sm.SaveValidatorsInfo(stateDB, 2, 1, vals)
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loadedVals, err := sm.LoadValidators(stateDB, 2)
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require.NoError(t, err)
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assert.NotZero(t, loadedVals.Size())
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// 2) LoadValidators loads validators using a checkpoint height
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sm.SaveValidatorsInfo(stateDB, sm.ValSetCheckpointInterval, 1, vals)
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loadedVals, err = sm.LoadValidators(stateDB, sm.ValSetCheckpointInterval)
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require.NoError(t, err)
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assert.NotZero(t, loadedVals.Size())
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}
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func BenchmarkLoadValidators(b *testing.B) {
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const valSetSize = 100
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config := cfg.ResetTestRoot("state_")
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defer os.RemoveAll(config.RootDir)
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dbType := dbm.BackendType(config.DBBackend)
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stateDB, err := dbm.NewDB("state", dbType, config.DBDir())
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require.NoError(b, err)
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state, err := sm.LoadStateFromDBOrGenesisFile(stateDB, config.GenesisFile())
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if err != nil {
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b.Fatal(err)
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}
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state.Validators = genValSet(valSetSize)
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state.NextValidators = state.Validators.CopyIncrementProposerPriority(1)
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sm.SaveState(stateDB, state)
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for i := 10; i < 10000000000; i *= 10 { // 10, 100, 1000, ...
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i := i
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sm.SaveValidatorsInfo(stateDB, int64(i), state.LastHeightValidatorsChanged, state.NextValidators)
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b.Run(fmt.Sprintf("height=%d", i), func(b *testing.B) {
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for n := 0; n < b.N; n++ {
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_, err := sm.LoadValidators(stateDB, int64(i))
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if err != nil {
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b.Fatal(err)
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}
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}
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})
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}
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}
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func TestPruneStates(t *testing.T) {
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testcases := map[string]struct {
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makeHeights int64
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pruneFrom int64
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pruneTo int64
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expectErr bool
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expectVals []int64
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expectParams []int64
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expectABCI []int64
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}{
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"error on pruning from 0": {100, 0, 5, true, nil, nil, nil},
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"error when from > to": {100, 3, 2, true, nil, nil, nil},
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"error when from == to": {100, 3, 3, true, nil, nil, nil},
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"error when to does not exist": {100, 1, 101, true, nil, nil, nil},
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"prune all": {100, 1, 100, false, []int64{93, 100}, []int64{95, 100}, []int64{100}},
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"prune some": {10, 2, 8, false, []int64{1, 3, 8, 9, 10},
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[]int64{1, 5, 8, 9, 10}, []int64{1, 8, 9, 10}},
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"prune across checkpoint": {100001, 1, 100001, false, []int64{99993, 100000, 100001},
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[]int64{99995, 100001}, []int64{100001}},
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}
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for name, tc := range testcases {
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tc := tc
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t.Run(name, func(t *testing.T) {
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db := dbm.NewMemDB()
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pk := ed25519.GenPrivKey().PubKey()
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// Generate a bunch of state data. Validators change for heights ending with 3, and
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// parameters when ending with 5.
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validator := &types.Validator{Address: tmrand.Bytes(crypto.AddressSize), VotingPower: 100, PubKey: pk}
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validatorSet := &types.ValidatorSet{
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Validators: []*types.Validator{validator},
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Proposer: validator,
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}
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valsChanged := int64(0)
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paramsChanged := int64(0)
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for h := int64(1); h <= tc.makeHeights; h++ {
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if valsChanged == 0 || h%10 == 2 {
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valsChanged = h + 1 // Have to add 1, since NextValidators is what's stored
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}
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if paramsChanged == 0 || h%10 == 5 {
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paramsChanged = h
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}
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state := sm.State{
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InitialHeight: 1,
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LastBlockHeight: h - 1,
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Validators: validatorSet,
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NextValidators: validatorSet,
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ConsensusParams: tmproto.ConsensusParams{
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Block: tmproto.BlockParams{MaxBytes: 10e6},
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},
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LastHeightValidatorsChanged: valsChanged,
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LastHeightConsensusParamsChanged: paramsChanged,
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}
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if state.LastBlockHeight >= 1 {
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state.LastValidators = state.Validators
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}
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sm.SaveState(db, state)
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sm.SaveABCIResponses(db, h, &tmstate.ABCIResponses{
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DeliverTxs: []*abci.ResponseDeliverTx{
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{Data: []byte{1}},
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{Data: []byte{2}},
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{Data: []byte{3}},
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},
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})
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}
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// Test assertions
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err := sm.PruneStates(db, tc.pruneFrom, tc.pruneTo)
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if tc.expectErr {
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require.Error(t, err)
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return
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}
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require.NoError(t, err)
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expectVals := sliceToMap(tc.expectVals)
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expectParams := sliceToMap(tc.expectParams)
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expectABCI := sliceToMap(tc.expectABCI)
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for h := int64(1); h <= tc.makeHeights; h++ {
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vals, err := sm.LoadValidators(db, h)
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if expectVals[h] {
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require.NoError(t, err, "validators height %v", h)
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require.NotNil(t, vals)
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} else {
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require.Error(t, err, "validators height %v", h)
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require.Equal(t, sm.ErrNoValSetForHeight{Height: h}, err)
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}
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params, err := sm.LoadConsensusParams(db, h)
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if expectParams[h] {
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require.NoError(t, err, "params height %v", h)
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require.False(t, params.Equal(&tmproto.ConsensusParams{}))
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} else {
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require.Error(t, err, "params height %v", h)
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require.Equal(t, sm.ErrNoConsensusParamsForHeight{Height: h}, err)
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}
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abci, err := sm.LoadABCIResponses(db, h)
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if expectABCI[h] {
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require.NoError(t, err, "abci height %v", h)
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require.NotNil(t, abci)
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} else {
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require.Error(t, err, "abci height %v", h)
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require.Equal(t, sm.ErrNoABCIResponsesForHeight{Height: h}, err)
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}
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}
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})
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}
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}
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func TestABCIResponsesResultsHash(t *testing.T) {
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responses := &tmstate.ABCIResponses{
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BeginBlock: &abci.ResponseBeginBlock{},
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DeliverTxs: []*abci.ResponseDeliverTx{
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{Code: 32, Data: []byte("Hello"), Log: "Huh?"},
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},
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EndBlock: &abci.ResponseEndBlock{},
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}
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root := sm.ABCIResponsesResultsHash(responses)
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// root should be Merkle tree root of DeliverTxs responses
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results := types.NewResults(responses.DeliverTxs)
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assert.Equal(t, root, results.Hash())
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// test we can prove first DeliverTx
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proof := results.ProveResult(0)
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bz, err := results[0].Marshal()
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require.NoError(t, err)
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assert.NoError(t, proof.Verify(root, bz))
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}
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func sliceToMap(s []int64) map[int64]bool {
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m := make(map[int64]bool, len(s))
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for _, i := range s {
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m[i] = true
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}
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return m
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}
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