mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-23 20:07:17 +00:00
107 lines
2.9 KiB
Go
107 lines
2.9 KiB
Go
package state_test
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import (
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"testing"
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ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
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"github.com/prysmaticlabs/prysm/beacon-chain/state"
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"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
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"github.com/prysmaticlabs/prysm/shared/params"
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"github.com/prysmaticlabs/prysm/shared/testutil"
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)
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func TestFieldTrie_NewTrie(t *testing.T) {
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newState, _ := testutil.DeterministicGenesisState(t, 40)
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// 5 represents the enum value of state roots
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trie, err := state.NewFieldTrie(5, newState.StateRoots(), params.BeaconConfig().SlotsPerHistoricalRoot)
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if err != nil {
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t.Fatal(err)
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}
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root, err := stateutil.RootsArrayHashTreeRoot(newState.StateRoots(), params.BeaconConfig().SlotsPerHistoricalRoot, "StateRoots")
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if err != nil {
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t.Fatal(err)
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}
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newRoot, err := trie.TrieRoot()
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if newRoot != root {
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t.Errorf("Wanted root of %#x but got %#x", root, newRoot)
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}
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}
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func TestFieldTrie_RecomputeTrie(t *testing.T) {
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newState, _ := testutil.DeterministicGenesisState(t, 32)
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// 10 represents the enum value of validators
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trie, err := state.NewFieldTrie(11, newState.Validators(), params.BeaconConfig().ValidatorRegistryLimit)
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if err != nil {
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t.Fatal(err)
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}
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changedIdx := []uint64{2, 29}
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val1, err := newState.ValidatorAtIndex(10)
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if err != nil {
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t.Fatal(err)
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}
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val2, err := newState.ValidatorAtIndex(11)
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if err != nil {
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t.Fatal(err)
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}
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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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if err := newState.UpdateValidatorAtIndex(changedIdx[0], changedVals[0]); err != nil {
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t.Fatal(err)
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}
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if err := newState.UpdateValidatorAtIndex(changedIdx[1], changedVals[1]); err != nil {
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t.Fatal(err)
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}
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expectedRoot, err := stateutil.ValidatorRegistryRoot(newState.Validators())
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if err != nil {
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t.Fatal(err)
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}
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root, err := trie.RecomputeTrie(changedIdx, newState.Validators())
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if err != nil {
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t.Fatal(err)
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}
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if root != expectedRoot {
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t.Errorf("Wanted root of %#x but got %#x", expectedRoot, root)
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}
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}
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func TestFieldTrie_CopyTrieImmutable(t *testing.T) {
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newState, _ := testutil.DeterministicGenesisState(t, 32)
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// 12 represents the enum value of randao mixes.
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trie, err := state.NewFieldTrie(13, newState.RandaoMixes(), params.BeaconConfig().EpochsPerHistoricalVector)
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if err != nil {
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t.Fatal(err)
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}
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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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if err := newState.UpdateRandaoMixesAtIndex(changedIdx[0], changedVals[0][:]); err != nil {
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t.Fatal(err)
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}
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if err := newState.UpdateRandaoMixesAtIndex(changedIdx[1], changedVals[1][:]); err != nil {
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t.Fatal(err)
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}
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root, err := trie.RecomputeTrie(changedIdx, newState.RandaoMixes())
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if err != nil {
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t.Fatal(err)
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}
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newRoot, err := newTrie.TrieRoot()
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if err != nil {
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t.Fatal(err)
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}
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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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