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https://gitlab.com/pulsechaincom/prysm-pulse.git
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5a66807989
* First take at updating everything to v5 * Patch gRPC gateway to use prysm v5 Fix patch * Update go ssz --------- Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>
63 lines
2.8 KiB
Go
63 lines
2.8 KiB
Go
// Package interop contains deterministic utilities for generating
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// genesis states and keys.
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package interop
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import (
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"context"
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"github.com/pkg/errors"
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coreState "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/transition"
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statenative "github.com/prysmaticlabs/prysm/v5/beacon-chain/state/state-native"
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"github.com/prysmaticlabs/prysm/v5/config/params"
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"github.com/prysmaticlabs/prysm/v5/container/trie"
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enginev1 "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
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ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1"
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"github.com/prysmaticlabs/prysm/v5/time"
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)
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// GenerateGenesisStateBellatrix deterministically given a genesis time and number of validators.
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// If a genesis time of 0 is supplied it is set to the current time.
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func GenerateGenesisStateBellatrix(ctx context.Context, genesisTime, numValidators uint64, ep *enginev1.ExecutionPayload, ed *ethpb.Eth1Data) (*ethpb.BeaconStateBellatrix, []*ethpb.Deposit, error) {
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privKeys, pubKeys, err := DeterministicallyGenerateKeys(0 /*startIndex*/, numValidators)
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if err != nil {
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return nil, nil, errors.Wrapf(err, "could not deterministically generate keys for %d validators", numValidators)
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}
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depositDataItems, depositDataRoots, err := DepositDataFromKeys(privKeys, pubKeys)
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if err != nil {
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return nil, nil, errors.Wrap(err, "could not generate deposit data from keys")
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}
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return GenerateGenesisStateBellatrixFromDepositData(ctx, genesisTime, depositDataItems, depositDataRoots, ep, ed)
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}
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// GenerateGenesisStateBellatrixFromDepositData creates a genesis state given a list of
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// deposit data items and their corresponding roots.
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func GenerateGenesisStateBellatrixFromDepositData(
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ctx context.Context, genesisTime uint64, depositData []*ethpb.Deposit_Data, depositDataRoots [][]byte, ep *enginev1.ExecutionPayload, e1d *ethpb.Eth1Data,
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) (*ethpb.BeaconStateBellatrix, []*ethpb.Deposit, error) {
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t, err := trie.GenerateTrieFromItems(depositDataRoots, params.BeaconConfig().DepositContractTreeDepth)
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if err != nil {
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return nil, nil, errors.Wrap(err, "could not generate Merkle trie for deposit proofs")
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}
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deposits, err := GenerateDepositsFromData(depositData, t)
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if err != nil {
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return nil, nil, errors.Wrap(err, "could not generate deposits from the deposit data provided")
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}
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if genesisTime == 0 {
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genesisTime = uint64(time.Now().Unix())
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}
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beaconState, err := coreState.GenesisBeaconStateBellatrix(ctx, deposits, genesisTime, e1d, ep)
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if err != nil {
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return nil, nil, errors.Wrap(err, "could not generate genesis state")
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}
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bsi := beaconState.ToProtoUnsafe()
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pbb, ok := bsi.(*ethpb.BeaconStateBellatrix)
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if !ok {
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return nil, nil, errors.New("unexpected BeaconState version")
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}
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pbState, err := statenative.ProtobufBeaconStateBellatrix(pbb)
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if err != nil {
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return nil, nil, err
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}
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return pbState, deposits, nil
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}
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