494 lines
14 KiB
Go
494 lines
14 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/ipfs/go-cid"
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"github.com/ipfs/go-datastore"
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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/specs-actors/actors/abi"
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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/builtin/multisig"
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"github.com/filecoin-project/specs-actors/actors/builtin/verifreg"
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"github.com/filecoin-project/specs-actors/actors/crypto"
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"github.com/filecoin-project/specs-actors/actors/util/adt"
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"github.com/filecoin-project/lotus/build"
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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/chain/vm"
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"github.com/filecoin-project/lotus/genesis"
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bstore "github.com/filecoin-project/lotus/lib/blockstore"
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"github.com/filecoin-project/lotus/lib/sigs"
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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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- Create system actor
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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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- Create verified registry
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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 network power in the power actor to what we'll have after genesis creation
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- Recreate reward actor state with the right power
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- For each precommitted sector
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- Get deal weight
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- Calculate QA Power
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- Remove fake power from the power actor
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- Calculate pledge
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- Precommit
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- Confirm valid
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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, map[address.Address]address.Address, error) {
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// Create empty state tree
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cst := cbor.NewCborStore(bs)
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_, err := cst.Put(context.TODO(), []struct{}{})
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if err != nil {
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return nil, nil, xerrors.Errorf("putting empty object: %w", err)
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}
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state, err := state.NewStateTree(cst)
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if err != nil {
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return nil, 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, nil, xerrors.Errorf("failed putting empty object: %w", err)
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}
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// Create system actor
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sysact, err := SetupSystemActor(bs)
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if err != nil {
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return nil, nil, xerrors.Errorf("setup init actor: %w", err)
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}
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if err := state.SetActor(builtin.SystemActorAddr, sysact); err != nil {
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return nil, nil, xerrors.Errorf("set init actor: %w", err)
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}
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// Create init actor
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initact, keyIDs, err := SetupInitActor(bs, template.NetworkName, template.Accounts, template.VerifregRootKey)
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if err != nil {
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return nil, nil, xerrors.Errorf("setup init actor: %w", err)
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}
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if err := state.SetActor(builtin.InitActorAddr, initact); err != nil {
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return nil, nil, xerrors.Errorf("set init actor: %w", err)
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}
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// Setup reward
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// RewardActor's state is overrwritten by SetupStorageMiners
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rewact, err := SetupRewardActor(bs, big.Zero())
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if err != nil {
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return nil, nil, xerrors.Errorf("setup init actor: %w", err)
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}
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err = state.SetActor(builtin.RewardActorAddr, rewact)
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if err != nil {
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return nil, 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, nil, xerrors.Errorf("setup cron actor: %w", err)
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}
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if err := state.SetActor(builtin.CronActorAddr, cronact); err != nil {
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return nil, 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, nil, xerrors.Errorf("setup storage market actor: %w", err)
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}
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if err := state.SetActor(builtin.StoragePowerActorAddr, spact); err != nil {
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return nil, 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, nil, xerrors.Errorf("setup storage market actor: %w", err)
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}
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if err := state.SetActor(builtin.StorageMarketActorAddr, marketact); err != nil {
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return nil, nil, xerrors.Errorf("set market actor: %w", err)
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}
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// Create verified registry
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verifact, err := SetupVerifiedRegistryActor(bs)
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if err != nil {
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return nil, nil, xerrors.Errorf("setup storage market actor: %w", err)
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}
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if err := state.SetActor(builtin.VerifiedRegistryActorAddr, verifact); err != nil {
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return nil, 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(builtin.BurntFundsActorAddr, &types.Actor{
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Code: builtin.AccountActorCodeID,
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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, 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 && info.Type != genesis.TMultisig {
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return nil, nil, xerrors.New("unsupported account type")
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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, nil, err
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}
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if err = createAccount(ctx, bs, cst, state, ida, info); err != nil {
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return nil, nil, err
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}
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}
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vregroot, err := address.NewIDAddress(80)
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if err != nil {
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return nil, nil, err
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}
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if err = createAccount(ctx, bs, cst, state, vregroot, template.VerifregRootKey); err != nil {
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return nil, nil, err
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}
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// Setup the first verifier as ID-address 81
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// TODO: remove this
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skBytes, err := sigs.Generate(crypto.SigTypeBLS)
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if err != nil {
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return nil, nil, xerrors.Errorf("creating random verifier secret key: %w", err)
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}
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verifierPk, err := sigs.ToPublic(crypto.SigTypeBLS, skBytes)
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if err != nil {
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return nil, nil, xerrors.Errorf("creating random verifier public key: %w", err)
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}
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verifierAd, err := address.NewBLSAddress(verifierPk)
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if err != nil {
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return nil, nil, xerrors.Errorf("creating random verifier address: %w", err)
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}
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verifierId, err := address.NewIDAddress(81)
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if err != nil {
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return nil, nil, err
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}
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verifierState, err := cst.Put(ctx, &account.State{Address: verifierAd})
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if err != nil {
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return nil, nil, err
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}
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err = state.SetActor(verifierId, &types.Actor{
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Code: builtin.AccountActorCodeID,
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Balance: types.NewInt(0),
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Head: verifierState,
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})
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if err != nil {
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return nil, nil, xerrors.Errorf("setting account from actmap: %w", err)
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}
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return state, keyIDs, nil
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}
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func createAccount(ctx context.Context, bs bstore.Blockstore, cst cbor.IpldStore, state *state.StateTree, ida address.Address, info genesis.Actor) error {
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if info.Type == genesis.TAccount {
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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 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 err
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}
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err = state.SetActor(ida, &types.Actor{
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Code: builtin.AccountActorCodeID,
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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 xerrors.Errorf("setting account from actmap: %w", err)
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}
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} else if info.Type == genesis.TMultisig {
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var ainfo genesis.MultisigMeta
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if err := json.Unmarshal(info.Meta, &ainfo); err != nil {
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return xerrors.Errorf("unmarshaling account meta: %w", err)
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}
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pending, err := adt.MakeEmptyMap(adt.WrapStore(ctx, cst)).Root()
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if err != nil {
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return xerrors.Errorf("failed to create empty map: %v", err)
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}
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st, err := cst.Put(ctx, &multisig.State{
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Signers: ainfo.Signers,
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NumApprovalsThreshold: uint64(ainfo.Threshold),
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StartEpoch: abi.ChainEpoch(ainfo.VestingStart),
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UnlockDuration: abi.ChainEpoch(ainfo.VestingDuration),
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PendingTxns: pending,
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InitialBalance: info.Balance,
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})
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if err != nil {
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return err
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}
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err = state.SetActor(ida, &types.Actor{
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Code: builtin.MultisigActorCodeID,
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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 xerrors.Errorf("setting account from actmap: %w", err)
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}
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}
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return nil
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}
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func VerifyPreSealedData(ctx context.Context, cs *store.ChainStore, stateroot cid.Cid, template genesis.Template, keyIDs map[address.Address]address.Address) (cid.Cid, error) {
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verifNeeds := make(map[address.Address]abi.PaddedPieceSize)
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var sum abi.PaddedPieceSize
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vmopt := vm.VMOpts{
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StateBase: stateroot,
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Epoch: 0,
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Rand: &fakeRand{},
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Bstore: cs.Blockstore(),
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Syscalls: mkFakedSigSyscalls(cs.VMSys()),
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CircSupplyCalc: nil,
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BaseFee: types.NewInt(0),
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}
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vm, err := vm.NewVM(&vmopt)
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if err != nil {
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return cid.Undef, xerrors.Errorf("failed to create NewVM: %w", err)
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}
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for _, m := range template.Miners {
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// Add the miner to the market actor's balance table
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_, err = doExec(ctx, vm, builtin.StorageMarketActorAddr, m.Owner, builtin.MethodsMarket.AddBalance, mustEnc(adt.Empty))
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for _, s := range m.Sectors {
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amt := s.Deal.PieceSize
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verifNeeds[keyIDs[s.Deal.Client]] += amt
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sum += amt
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}
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}
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verifregRoot, err := address.NewIDAddress(80)
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if err != nil {
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return cid.Undef, err
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}
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verifier, err := address.NewIDAddress(81)
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if err != nil {
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return cid.Undef, err
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}
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_, err = doExecValue(ctx, vm, builtin.VerifiedRegistryActorAddr, verifregRoot, types.NewInt(0), builtin.MethodsVerifiedRegistry.AddVerifier, mustEnc(&verifreg.AddVerifierParams{
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Address: verifier,
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Allowance: abi.NewStoragePower(int64(sum)), // eh, close enough
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}))
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if err != nil {
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return cid.Undef, xerrors.Errorf("failed to create verifier: %w", err)
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}
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for c, amt := range verifNeeds {
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_, err := doExecValue(ctx, vm, builtin.VerifiedRegistryActorAddr, verifier, types.NewInt(0), builtin.MethodsVerifiedRegistry.AddVerifiedClient, mustEnc(&verifreg.AddVerifiedClientParams{
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Address: c,
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Allowance: abi.NewStoragePower(int64(amt)),
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}))
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if err != nil {
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return cid.Undef, xerrors.Errorf("failed to add verified client: %w", err)
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}
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}
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st, err := vm.Flush(ctx)
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if err != nil {
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return cid.Cid{}, xerrors.Errorf("vm flush: %w", err)
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}
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return st, nil
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}
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func MakeGenesisBlock(ctx context.Context, bs bstore.Blockstore, sys vm.SyscallBuilder, template genesis.Template) (*GenesisBootstrap, error) {
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st, keyIDs, 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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// Verify PreSealed Data
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stateroot, err = VerifyPreSealedData(ctx, cs, stateroot, template, keyIDs)
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if err != nil {
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return nil, xerrors.Errorf("failed to verify presealed data: %w", err)
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}
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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 miners failed: %w", err)
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}
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store := adt.WrapStore(ctx, cbor.NewCborStore(bs))
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emptyroot, err := adt.MakeEmptyArray(store).Root()
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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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filecoinGenesisCid, err := cid.Decode("bafyreiaqpwbbyjo4a42saasj36kkrpv4tsherf2e7bvezkert2a7dhonoi")
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if err != nil {
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return nil, xerrors.Errorf("failed to decode filecoin genesis block CID: %w", err)
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}
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if !expectedCid().Equals(filecoinGenesisCid) {
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return nil, xerrors.Errorf("expectedCid != filecoinGenesisCid")
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}
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gblk, err := getGenesisBlock()
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if err != nil {
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return nil, xerrors.Errorf("failed to construct filecoin genesis block: %w", err)
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}
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if !filecoinGenesisCid.Equals(gblk.Cid()) {
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return nil, xerrors.Errorf("filecoinGenesisCid != gblk.Cid")
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}
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if err := bs.Put(gblk); err != nil {
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return nil, xerrors.Errorf("failed writing filecoin genesis block to blockstore: %w", err)
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}
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b := &types.BlockHeader{
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Miner: builtin.SystemActorAddr,
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Ticket: genesisticket,
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Parents: []cid.Cid{filecoinGenesisCid},
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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: nil,
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BlockSig: nil,
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Timestamp: template.Timestamp,
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ElectionProof: new(types.ElectionProof),
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BeaconEntries: []types.BeaconEntry{
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{
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Round: 0,
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Data: make([]byte, 32),
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},
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},
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ParentBaseFee: abi.NewTokenAmount(build.InitialBaseFee),
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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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