mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-26 05:17:22 +00:00
b23f63a064
* v2 state initialize and semantic paths * ensure build * gaz changes to ignored build files * gaz
66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
package fuzz
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import (
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"context"
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"fmt"
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"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
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stateutil "github.com/prysmaticlabs/prysm/beacon-chain/core/state"
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"github.com/prysmaticlabs/prysm/beacon-chain/state/v1"
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pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
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"github.com/prysmaticlabs/prysm/shared/featureconfig"
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"github.com/prysmaticlabs/prysm/shared/params"
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)
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func init() {
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featureconfig.Init(&featureconfig.Flags{
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EnableSSZCache: false,
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})
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}
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// BeaconStateFuzz --
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func BeaconStateFuzz(input []byte) {
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params.UseMainnetConfig()
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st := &pb.BeaconState{}
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if err := st.UnmarshalSSZ(input); err != nil {
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return
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}
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s, err := v1.InitializeFromProtoUnsafe(st)
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if err != nil {
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panic(err)
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}
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validateStateHTR(s)
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nextEpoch := helpers.SlotToEpoch(s.Slot()) + 1
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slot, err := helpers.StartSlot(nextEpoch)
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if err != nil {
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return
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}
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if _, err := stateutil.ProcessSlots(context.Background(), s, slot); err != nil {
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_ = err
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return
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}
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validateStateHTR(s)
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}
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func validateStateHTR(s *v1.BeaconState) {
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rawState, ok := s.InnerStateUnsafe().(*pb.BeaconState)
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if !ok {
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panic("non valid type assertion")
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}
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rt, err := s.HashTreeRoot(context.Background())
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nxtRt, err2 := rawState.HashTreeRoot()
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if err == nil && err2 != nil {
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panic("HTR from state had only and error from cached state HTR method")
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}
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if err != nil && err2 == nil {
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panic("HTR from state had only and error from fast-ssz HTR method")
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}
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if err != nil && err2 != nil {
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return
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}
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if rt != nxtRt {
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panic(fmt.Sprintf("cached HTR gave a root of %#x while fast-ssz gave a root of %#x", rt, nxtRt))
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}
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}
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