prysm-pulse/beacon-chain/state/field_trie_test.go
Victor Farazdagi d169b490fa
Fix ineffectual assignments (#7403)
* update rpc/beacon
* more fixes to beacon-chain/rpc
* update beacon-chain/sync
* Merge refs/heads/master into fix-ineffectual-assignments
* updates beacon-chain/p2p
* Merge branch 'fix-ineffectual-assignments' of github.com:prysmaticlabs/prysm into fix-ineffectual-assignments
* update beacon-chain/*
* fix imports
* update beacon-chain/blockchain
* more updates
* Merge refs/heads/master into fix-ineffectual-assignments
* Merge branch 'master' into fix-ineffectual-assignments
* Merge refs/heads/master into fix-ineffectual-assignments
* next round of updated
* Merge branch 'fix-ineffectual-assignments' of github.com:prysmaticlabs/prysm into fix-ineffectual-assignments
* wrap up remaining items
2020-10-01 18:53:36 +00:00

78 lines
2.7 KiB
Go

package state_test
import (
"testing"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
"github.com/prysmaticlabs/prysm/beacon-chain/state"
"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
"github.com/prysmaticlabs/prysm/shared/params"
"github.com/prysmaticlabs/prysm/shared/testutil"
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
"github.com/prysmaticlabs/prysm/shared/testutil/require"
)
func TestFieldTrie_NewTrie(t *testing.T) {
newState, _ := testutil.DeterministicGenesisState(t, 40)
// 5 represents the enum value of state roots
trie, err := state.NewFieldTrie(5, newState.StateRoots(), params.BeaconConfig().SlotsPerHistoricalRoot)
require.NoError(t, err)
root, err := stateutil.RootsArrayHashTreeRoot(newState.StateRoots(), params.BeaconConfig().SlotsPerHistoricalRoot, "StateRoots")
require.NoError(t, err)
newRoot, err := trie.TrieRoot()
require.NoError(t, err)
assert.Equal(t, root, newRoot)
}
func TestFieldTrie_RecomputeTrie(t *testing.T) {
newState, _ := testutil.DeterministicGenesisState(t, 32)
// 10 represents the enum value of validators
trie, err := state.NewFieldTrie(11, newState.Validators(), params.BeaconConfig().ValidatorRegistryLimit)
require.NoError(t, err)
changedIdx := []uint64{2, 29}
val1, err := newState.ValidatorAtIndex(10)
require.NoError(t, err)
val2, err := newState.ValidatorAtIndex(11)
require.NoError(t, err)
val1.Slashed = true
val1.ExitEpoch = 20
val2.Slashed = true
val2.ExitEpoch = 40
changedVals := []*ethpb.Validator{val1, val2}
require.NoError(t, newState.UpdateValidatorAtIndex(changedIdx[0], changedVals[0]))
require.NoError(t, newState.UpdateValidatorAtIndex(changedIdx[1], changedVals[1]))
expectedRoot, err := stateutil.ValidatorRegistryRoot(newState.Validators())
require.NoError(t, err)
root, err := trie.RecomputeTrie(changedIdx, newState.Validators())
require.NoError(t, err)
assert.Equal(t, expectedRoot, root)
}
func TestFieldTrie_CopyTrieImmutable(t *testing.T) {
newState, _ := testutil.DeterministicGenesisState(t, 32)
// 12 represents the enum value of randao mixes.
trie, err := state.NewFieldTrie(13, newState.RandaoMixes(), params.BeaconConfig().EpochsPerHistoricalVector)
require.NoError(t, err)
newTrie := trie.CopyTrie()
changedIdx := []uint64{2, 29}
changedVals := [][32]byte{{'A', 'B'}, {'C', 'D'}}
require.NoError(t, newState.UpdateRandaoMixesAtIndex(changedIdx[0], changedVals[0][:]))
require.NoError(t, newState.UpdateRandaoMixesAtIndex(changedIdx[1], changedVals[1][:]))
root, err := trie.RecomputeTrie(changedIdx, newState.RandaoMixes())
require.NoError(t, err)
newRoot, err := newTrie.TrieRoot()
require.NoError(t, err)
if root == newRoot {
t.Errorf("Wanted roots to be different, but they are the same: %#x", root)
}
}