mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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111 lines
4.0 KiB
Go
111 lines
4.0 KiB
Go
package fieldtrie_test
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import (
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"testing"
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"github.com/prysmaticlabs/prysm/beacon-chain/state/fieldtrie"
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"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
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stateTypes "github.com/prysmaticlabs/prysm/beacon-chain/state/types"
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"github.com/prysmaticlabs/prysm/config/params"
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types "github.com/prysmaticlabs/prysm/consensus-types/primitives"
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ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
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"github.com/prysmaticlabs/prysm/testing/assert"
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"github.com/prysmaticlabs/prysm/testing/require"
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"github.com/prysmaticlabs/prysm/testing/util"
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)
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func TestFieldTrie_NewTrie(t *testing.T) {
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newState, _ := util.DeterministicGenesisState(t, 40)
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// 5 represents the enum value of state roots
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trie, err := fieldtrie.NewFieldTrie(stateTypes.FieldIndex(5), stateTypes.BasicArray, newState.StateRoots(), uint64(params.BeaconConfig().SlotsPerHistoricalRoot))
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require.NoError(t, err)
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root, err := stateutil.RootsArrayHashTreeRoot(newState.StateRoots(), uint64(params.BeaconConfig().SlotsPerHistoricalRoot))
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require.NoError(t, err)
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newRoot, err := trie.TrieRoot()
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require.NoError(t, err)
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assert.Equal(t, root, newRoot)
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}
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func TestFieldTrie_NewTrie_NilElements(t *testing.T) {
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trie, err := fieldtrie.NewFieldTrie(stateTypes.FieldIndex(5), stateTypes.BasicArray, nil, 8234)
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require.NoError(t, err)
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_, err = trie.TrieRoot()
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require.ErrorIs(t, err, fieldtrie.ErrEmptyFieldTrie)
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}
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func TestFieldTrie_RecomputeTrie(t *testing.T) {
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newState, _ := util.DeterministicGenesisState(t, 32)
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// 10 represents the enum value of validators
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trie, err := fieldtrie.NewFieldTrie(stateTypes.FieldIndex(11), stateTypes.CompositeArray, newState.Validators(), params.BeaconConfig().ValidatorRegistryLimit)
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require.NoError(t, err)
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changedIdx := []uint64{2, 29}
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val1, err := newState.ValidatorAtIndex(10)
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require.NoError(t, err)
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val2, err := newState.ValidatorAtIndex(11)
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require.NoError(t, err)
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val1.Slashed = true
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val1.ExitEpoch = 20
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val2.Slashed = true
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val2.ExitEpoch = 40
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changedVals := []*ethpb.Validator{val1, val2}
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require.NoError(t, newState.UpdateValidatorAtIndex(types.ValidatorIndex(changedIdx[0]), changedVals[0]))
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require.NoError(t, newState.UpdateValidatorAtIndex(types.ValidatorIndex(changedIdx[1]), changedVals[1]))
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expectedRoot, err := stateutil.ValidatorRegistryRoot(newState.Validators())
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require.NoError(t, err)
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root, err := trie.RecomputeTrie(changedIdx, newState.Validators())
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require.NoError(t, err)
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assert.Equal(t, expectedRoot, root)
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}
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func TestFieldTrie_CopyTrieImmutable(t *testing.T) {
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newState, _ := util.DeterministicGenesisState(t, 32)
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// 12 represents the enum value of randao mixes.
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trie, err := fieldtrie.NewFieldTrie(stateTypes.FieldIndex(13), stateTypes.BasicArray, newState.RandaoMixes(), uint64(params.BeaconConfig().EpochsPerHistoricalVector))
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require.NoError(t, err)
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newTrie := trie.CopyTrie()
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changedIdx := []uint64{2, 29}
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changedVals := [][32]byte{{'A', 'B'}, {'C', 'D'}}
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require.NoError(t, newState.UpdateRandaoMixesAtIndex(changedIdx[0], changedVals[0][:]))
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require.NoError(t, newState.UpdateRandaoMixesAtIndex(changedIdx[1], changedVals[1][:]))
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root, err := trie.RecomputeTrie(changedIdx, newState.RandaoMixes())
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require.NoError(t, err)
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newRoot, err := newTrie.TrieRoot()
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require.NoError(t, err)
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if root == newRoot {
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t.Errorf("Wanted roots to be different, but they are the same: %#x", root)
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}
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}
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func FuzzFieldTrie(f *testing.F) {
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newState, _ := util.DeterministicGenesisState(f, 40)
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var data []byte
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for _, root := range newState.StateRoots() {
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data = append(data, root...)
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}
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f.Add(5, int(stateTypes.BasicArray), data, uint64(params.BeaconConfig().SlotsPerHistoricalRoot))
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f.Fuzz(func(t *testing.T, idx, typ int, data []byte, slotsPerHistRoot uint64) {
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var roots [][]byte
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for i := 32; i < len(data); i += 32 {
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roots = append(roots, data[i-32:i])
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}
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trie, err := fieldtrie.NewFieldTrie(stateTypes.FieldIndex(idx), stateTypes.DataType(typ), roots, slotsPerHistRoot)
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if err != nil {
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return // invalid inputs
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}
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_, err = trie.TrieRoot()
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if err != nil {
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return
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}
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})
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}
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