271 lines
7.3 KiB
Go
271 lines
7.3 KiB
Go
package genesis
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import (
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"context"
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"encoding/json"
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"github.com/filecoin-project/go-amt-ipld/v2"
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"github.com/filecoin-project/specs-actors/actors/abi/big"
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"github.com/filecoin-project/specs-actors/actors/builtin"
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"github.com/filecoin-project/specs-actors/actors/builtin/account"
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"github.com/filecoin-project/specs-actors/actors/crypto"
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"github.com/ipfs/go-cid"
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"github.com/ipfs/go-datastore"
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bstore "github.com/ipfs/go-ipfs-blockstore"
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cbor "github.com/ipfs/go-ipld-cbor"
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logging "github.com/ipfs/go-log/v2"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/lotus/build"
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actors "github.com/filecoin-project/lotus/chain/actors"
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"github.com/filecoin-project/lotus/chain/state"
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"github.com/filecoin-project/lotus/chain/store"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/genesis"
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)
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const AccountStart = 100
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const MinerStart = 1000
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const MaxAccounts = MinerStart - AccountStart
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var log = logging.Logger("genesis")
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type GenesisBootstrap struct {
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Genesis *types.BlockHeader
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}
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/*
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From a list of parameters, create a genesis block / initial state
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The process:
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- Bootstrap state (MakeInitialStateTree)
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- Create empty state
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- Make init actor
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- Create accounts mappings
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- Set NextID to MinerStart
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- Setup Reward (1.4B fil)
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- Setup Cron
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- Create empty power actor
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- Create empty market
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- Setup burnt fund address
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- Initialize account / msig balances
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- Instantiate early vm with genesis syscalls
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- Create miners
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- Each:
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- power.CreateMiner, set msg value to PowerBalance
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- market.AddFunds with correct value
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- market.PublishDeals for related sectors
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- Set precommits
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- Commit presealed sectors
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Data Types:
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PreSeal :{
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CommR CID
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CommD CID
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SectorID SectorNumber
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Deal market.DealProposal # Start at 0, self-deal!
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}
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Genesis: {
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Accounts: [ # non-miner, non-singleton actors, max len = MaxAccounts
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{
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Type: "account" / "multisig",
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Value: "attofil",
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[Meta: {msig settings, account key..}]
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},...
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],
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Miners: [
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{
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Owner, Worker Addr # ID
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MarketBalance, PowerBalance TokenAmount
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SectorSize uint64
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PreSeals []PreSeal
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},...
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],
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}
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*/
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func MakeInitialStateTree(ctx context.Context, bs bstore.Blockstore, template genesis.Template) (*state.StateTree, error) {
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// Create empty state tree
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cst := cbor.NewCborStore(bs)
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state, err := state.NewStateTree(cst)
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if err != nil {
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return nil, xerrors.Errorf("making new state tree: %w", err)
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}
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emptyobject, err := cst.Put(context.TODO(), []struct{}{})
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if err != nil {
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return nil, xerrors.Errorf("failed putting empty object: %w", err)
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}
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// Create init actor
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initact, err := SetupInitActor(bs, template.NetworkName, template.Accounts)
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if err != nil {
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return nil, xerrors.Errorf("setup init actor: %w", err)
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}
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if err := state.SetActor(actors.InitAddress, initact); err != nil {
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return nil, xerrors.Errorf("set init actor: %w", err)
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}
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// Setup reward
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err = state.SetActor(actors.RewardActor, &types.Actor{
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Code: builtin.RewardActorCodeID,
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Balance: big.Int{Int: build.InitialReward},
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Head: emptyobject, // TODO ?
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})
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if err != nil {
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return nil, xerrors.Errorf("set network account actor: %w", err)
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}
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// Setup cron
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cronact, err := SetupCronActor(bs)
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if err != nil {
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return nil, xerrors.Errorf("setup cron actor: %w", err)
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}
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if err := state.SetActor(actors.CronAddress, cronact); err != nil {
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return nil, xerrors.Errorf("set cron actor: %w", err)
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}
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// Create empty power actor
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spact, err := SetupStoragePowerActor(bs)
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if err != nil {
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return nil, xerrors.Errorf("setup storage market actor: %w", err)
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}
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if err := state.SetActor(actors.StoragePowerAddress, spact); err != nil {
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return nil, xerrors.Errorf("set storage market actor: %w", err)
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}
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// Create empty market actor
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marketact, err := SetupStorageMarketActor(bs)
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if err != nil {
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return nil, xerrors.Errorf("setup storage market actor: %w", err)
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}
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if err := state.SetActor(actors.StorageMarketAddress, marketact); err != nil {
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return nil, xerrors.Errorf("set market actor: %w", err)
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}
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// Setup burnt-funds
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err = state.SetActor(actors.BurntFundsAddress, &types.Actor{
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Code: actors.AccountCodeCid,
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Balance: types.NewInt(0),
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Head: emptyobject,
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})
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if err != nil {
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return nil, xerrors.Errorf("set burnt funds account actor: %w", err)
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}
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// Create accounts
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for id, info := range template.Accounts {
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if info.Type != genesis.TAccount {
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return nil, xerrors.New("unsupported account type") // TODO: msigs
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}
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ida, err := address.NewIDAddress(uint64(AccountStart + id))
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if err != nil {
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return nil, err
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}
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var ainfo genesis.AccountMeta
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if err := json.Unmarshal(info.Meta, &ainfo); err != nil {
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return nil, xerrors.Errorf("unmarshaling account meta: %w", err)
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}
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st, err := cst.Put(ctx, account.State{Address: ainfo.Owner})
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if err != nil {
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return nil, err
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}
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err = state.SetActor(ida, &types.Actor{
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Code: actors.AccountCodeCid,
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Balance: info.Balance,
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Head: st,
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})
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if err != nil {
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return nil, xerrors.Errorf("setting account from actmap: %w", err)
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}
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}
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return state, nil
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}
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func MakeGenesisBlock(ctx context.Context, bs bstore.Blockstore, sys *types.VMSyscalls, template genesis.Template) (*GenesisBootstrap, error) {
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st, err := MakeInitialStateTree(ctx, bs, template)
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if err != nil {
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return nil, xerrors.Errorf("make initial state tree failed: %w", err)
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}
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stateroot, err := st.Flush(ctx)
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if err != nil {
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return nil, xerrors.Errorf("flush state tree failed: %w", err)
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}
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// temp chainstore
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cs := store.NewChainStore(bs, datastore.NewMapDatastore(), sys)
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stateroot, err = SetupStorageMiners(ctx, cs, stateroot, template.Miners)
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if err != nil {
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return nil, xerrors.Errorf("setup storage miners failed: %w", err)
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}
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cst := cbor.NewCborStore(bs)
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emptyroot, err := amt.FromArray(ctx, cst, nil)
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if err != nil {
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return nil, xerrors.Errorf("amt build failed: %w", err)
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}
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mm := &types.MsgMeta{
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BlsMessages: emptyroot,
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SecpkMessages: emptyroot,
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}
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mmb, err := mm.ToStorageBlock()
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if err != nil {
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return nil, xerrors.Errorf("serializing msgmeta failed: %w", err)
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}
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if err := bs.Put(mmb); err != nil {
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return nil, xerrors.Errorf("putting msgmeta block to blockstore: %w", err)
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}
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log.Infof("Empty Genesis root: %s", emptyroot)
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genesisticket := &types.Ticket{
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VRFProof: []byte("vrf proof0000000vrf proof0000000"),
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}
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b := &types.BlockHeader{
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Miner: actors.InitAddress,
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Ticket: genesisticket,
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EPostProof: types.EPostProof{
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Proof: []byte("not a real proof"),
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PostRand: []byte("i guess this is kinda random"),
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},
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Parents: []cid.Cid{},
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Height: 0,
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ParentWeight: types.NewInt(0),
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ParentStateRoot: stateroot,
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Messages: mmb.Cid(),
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ParentMessageReceipts: emptyroot,
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BLSAggregate: crypto.Signature{Type: crypto.SigTypeBLS, Data: []byte("signatureeee")},
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BlockSig: &crypto.Signature{Type: crypto.SigTypeBLS, Data: []byte("block signatureeee")},
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Timestamp: template.Timestamp,
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}
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sb, err := b.ToStorageBlock()
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if err != nil {
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return nil, xerrors.Errorf("serializing block header failed: %w", err)
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}
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if err := bs.Put(sb); err != nil {
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return nil, xerrors.Errorf("putting header to blockstore: %w", err)
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}
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return &GenesisBootstrap{
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Genesis: b,
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}, nil
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}
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