lotus/chain/gen/utils.go

678 lines
18 KiB
Go

package gen
import (
"bytes"
"context"
"fmt"
amt "github.com/filecoin-project/go-amt-ipld"
"github.com/ipfs/go-cid"
"github.com/ipfs/go-datastore"
hamt "github.com/ipfs/go-hamt-ipld"
blockstore "github.com/ipfs/go-ipfs-blockstore"
bstore "github.com/ipfs/go-ipfs-blockstore"
peer "github.com/libp2p/go-libp2p-core/peer"
cbg "github.com/whyrusleeping/cbor-gen"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/lotus/build"
actors "github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/state"
"github.com/filecoin-project/lotus/chain/store"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/vm"
"github.com/filecoin-project/lotus/genesis"
)
type GenesisBootstrap struct {
Genesis *types.BlockHeader
}
func SetupInitActor(bs bstore.Blockstore, addrs []address.Address) (*types.Actor, error) {
var ias actors.InitActorState
ias.NextID = 100
cst := hamt.CSTFromBstore(bs)
amap := hamt.NewNode(cst)
for i, a := range addrs {
if err := amap.Set(context.TODO(), string(a.Bytes()), 100+uint64(i)); err != nil {
return nil, err
}
}
ias.NextID += uint64(len(addrs))
if err := amap.Flush(context.TODO()); err != nil {
return nil, err
}
amapcid, err := cst.Put(context.TODO(), amap)
if err != nil {
return nil, err
}
ias.AddressMap = amapcid
statecid, err := cst.Put(context.TODO(), &ias)
if err != nil {
return nil, err
}
act := &types.Actor{
Code: actors.InitCodeCid,
Head: statecid,
}
return act, nil
}
func MakeInitialStateTree(bs bstore.Blockstore, actmap map[address.Address]types.BigInt) (*state.StateTree, error) {
cst := hamt.CSTFromBstore(bs)
state, err := state.NewStateTree(cst)
if err != nil {
return nil, xerrors.Errorf("making new state tree: %w", err)
}
emptyobject, err := cst.Put(context.TODO(), map[string]string{})
if err != nil {
return nil, xerrors.Errorf("failed putting empty object: %w", err)
}
var addrs []address.Address
for a := range actmap {
addrs = append(addrs, a)
}
initact, err := SetupInitActor(bs, addrs)
if err != nil {
return nil, xerrors.Errorf("setup init actor: %w", err)
}
if err := state.SetActor(actors.InitAddress, initact); err != nil {
return nil, xerrors.Errorf("set init actor: %w", err)
}
cronact, err := SetupCronActor(bs)
if err != nil {
return nil, xerrors.Errorf("setup cron actor: %w", err)
}
if err := state.SetActor(actors.CronAddress, cronact); err != nil {
return nil, xerrors.Errorf("set cron actor: %w", err)
}
spact, err := SetupStoragePowerActor(bs)
if err != nil {
return nil, xerrors.Errorf("setup storage market actor: %w", err)
}
if err := state.SetActor(actors.StoragePowerAddress, spact); err != nil {
return nil, xerrors.Errorf("set storage market actor: %w", err)
}
netAmt := types.FromFil(build.TotalFilecoin)
for _, amt := range actmap {
netAmt = types.BigSub(netAmt, amt)
}
err = state.SetActor(actors.NetworkAddress, &types.Actor{
Code: actors.AccountCodeCid,
Balance: netAmt,
Head: emptyobject,
})
if err != nil {
return nil, xerrors.Errorf("set network account actor: %w", err)
}
err = state.SetActor(actors.BurntFundsAddress, &types.Actor{
Code: actors.AccountCodeCid,
Balance: types.NewInt(0),
Head: emptyobject,
})
if err != nil {
return nil, xerrors.Errorf("set burnt funds account actor: %w", err)
}
for a, v := range actmap {
err = state.SetActor(a, &types.Actor{
Code: actors.AccountCodeCid,
Balance: v,
Head: emptyobject,
})
if err != nil {
return nil, xerrors.Errorf("setting account from actmap: %w", err)
}
}
return state, nil
}
func SetupCronActor(bs bstore.Blockstore) (*types.Actor, error) {
cst := hamt.CSTFromBstore(bs)
cas := &actors.CronActorState{}
stcid, err := cst.Put(context.TODO(), cas)
if err != nil {
return nil, err
}
return &types.Actor{
Code: actors.CronCodeCid,
Head: stcid,
Nonce: 0,
Balance: types.NewInt(0),
}, nil
}
func SetupStoragePowerActor(bs bstore.Blockstore) (*types.Actor, error) {
cst := hamt.CSTFromBstore(bs)
nd := hamt.NewNode(cst)
emptyhamt, err := cst.Put(context.TODO(), nd)
if err != nil {
return nil, err
}
blks := amt.WrapBlockstore(bs)
emptyamt, err := amt.FromArray(blks, nil)
if err != nil {
return nil, xerrors.Errorf("amt build failed: %w", err)
}
sms := &actors.StoragePowerState{
Miners: emptyhamt,
ProvingBuckets: emptyamt,
TotalStorage: types.NewInt(0),
}
stcid, err := cst.Put(context.TODO(), sms)
if err != nil {
return nil, err
}
return &types.Actor{
Code: actors.StoragePowerCodeCid,
Head: stcid,
Nonce: 0,
Balance: types.NewInt(0),
}, nil
}
func SetupStorageMarketActor(bs bstore.Blockstore, sroot cid.Cid, deals []actors.StorageDealProposal) (cid.Cid, error) {
cst := hamt.CSTFromBstore(bs)
nd := hamt.NewNode(cst)
emptyHAMT, err := cst.Put(context.TODO(), nd)
if err != nil {
return cid.Undef, err
}
blks := amt.WrapBlockstore(bs)
cdeals := make([]cbg.CBORMarshaler, len(deals))
for i, deal := range deals {
cdeals[i] = &actors.OnChainDeal{
PieceRef: deal.PieceRef,
PieceSize: deal.PieceSize,
Client: deal.Client,
Provider: deal.Provider,
ProposalExpiration: deal.ProposalExpiration,
Duration: deal.Duration,
StoragePricePerEpoch: deal.StoragePricePerEpoch,
StorageCollateral: deal.StorageCollateral,
ActivationEpoch: 1,
}
}
dealAmt, err := amt.FromArray(blks, cdeals)
if err != nil {
return cid.Undef, xerrors.Errorf("amt build failed: %w", err)
}
sms := &actors.StorageMarketState{
Balances: emptyHAMT,
Deals: dealAmt,
NextDealID: uint64(len(deals)),
}
stcid, err := cst.Put(context.TODO(), sms)
if err != nil {
return cid.Undef, err
}
act := &types.Actor{
Code: actors.StorageMarketCodeCid,
Head: stcid,
Nonce: 0,
Balance: types.NewInt(0),
}
state, err := state.LoadStateTree(cst, sroot)
if err != nil {
return cid.Undef, xerrors.Errorf("making new state tree: %w", err)
}
if err := state.SetActor(actors.StorageMarketAddress, act); err != nil {
return cid.Undef, xerrors.Errorf("set storage market actor: %w", err)
}
return state.Flush(context.TODO())
}
type GenMinerCfg struct {
PreSeals map[string]genesis.GenesisMiner
// The addresses of the created miner, this is set by the genesis setup
MinerAddrs []address.Address
PeerIDs []peer.ID
}
func mustEnc(i cbg.CBORMarshaler) []byte {
enc, err := actors.SerializeParams(i)
if err != nil {
panic(err) // ok
}
return enc
}
func SetupStorageMiners(ctx context.Context, cs *store.ChainStore, sroot cid.Cid, gmcfg *GenMinerCfg) (cid.Cid, []actors.StorageDealProposal, error) {
vm, err := vm.NewVM(sroot, 0, nil, actors.NetworkAddress, cs.Blockstore(), cs.VMSys())
if err != nil {
return cid.Undef, nil, xerrors.Errorf("failed to create NewVM: %w", err)
}
if len(gmcfg.MinerAddrs) == 0 {
return cid.Undef, nil, xerrors.New("no genesis miners")
}
if len(gmcfg.MinerAddrs) != len(gmcfg.PreSeals) {
return cid.Undef, nil, xerrors.Errorf("miner address list, and preseal count doesn't match (%d != %d)", len(gmcfg.MinerAddrs), len(gmcfg.PreSeals))
}
var deals []actors.StorageDealProposal
for i, maddr := range gmcfg.MinerAddrs {
ps, psok := gmcfg.PreSeals[maddr.String()]
if !psok {
return cid.Undef, nil, xerrors.Errorf("no preseal for miner %s", maddr)
}
minerParams := &actors.CreateStorageMinerParams{
Owner: ps.Owner,
Worker: ps.Worker,
SectorSize: ps.SectorSize,
PeerID: gmcfg.PeerIDs[i], // TODO: grab from preseal too
}
params := mustEnc(minerParams)
// TODO: hardcoding 6500 here is a little fragile, it changes any
// time anyone changes the initial account allocations
rval, err := doExecValue(ctx, vm, actors.StoragePowerAddress, ps.Worker, types.FromFil(6500), actors.SPAMethods.CreateStorageMiner, params)
if err != nil {
return cid.Undef, nil, xerrors.Errorf("failed to create genesis miner: %w", err)
}
maddrret, err := address.NewFromBytes(rval)
if err != nil {
return cid.Undef, nil, err
}
_, err = vm.Flush(ctx)
if err != nil {
return cid.Undef, nil, err
}
cst := hamt.CSTFromBstore(cs.Blockstore())
if err := reassignMinerActorAddress(vm, cst, maddrret, maddr); err != nil {
return cid.Undef, nil, err
}
power := types.BigMul(types.NewInt(minerParams.SectorSize), types.NewInt(uint64(len(ps.Sectors))))
params = mustEnc(&actors.UpdateStorageParams{Delta: power})
_, err = doExec(ctx, vm, actors.StoragePowerAddress, maddr, actors.SPAMethods.UpdateStorage, params)
if err != nil {
return cid.Undef, nil, xerrors.Errorf("failed to update total storage: %w", err)
}
// we have to flush the vm here because it buffers stuff internally for perf reasons
if _, err := vm.Flush(ctx); err != nil {
return cid.Undef, nil, xerrors.Errorf("vm.Flush failed: %w", err)
}
st := vm.StateTree()
mact, err := st.GetActor(maddr)
if err != nil {
return cid.Undef, nil, xerrors.Errorf("get miner actor failed: %w", err)
}
var mstate actors.StorageMinerActorState
if err := cst.Get(ctx, mact.Head, &mstate); err != nil {
return cid.Undef, nil, xerrors.Errorf("getting miner actor state failed: %w", err)
}
mstate.Power = types.BigMul(types.NewInt(ps.SectorSize), types.NewInt(uint64(len(ps.Sectors))))
blks := amt.WrapBlockstore(cs.Blockstore())
for _, s := range ps.Sectors {
nssroot, err := actors.AddToSectorSet(ctx, blks, mstate.Sectors, s.SectorID, s.CommR[:], s.CommD[:])
if err != nil {
return cid.Undef, nil, xerrors.Errorf("failed to add fake sector to sector set: %w", err)
}
mstate.Sectors = nssroot
mstate.ProvingSet = nssroot
deals = append(deals, s.Deal)
}
nstate, err := cst.Put(ctx, &mstate)
if err != nil {
return cid.Undef, nil, err
}
mact.Head = nstate
if err := st.SetActor(maddr, mact); err != nil {
return cid.Undef, nil, err
}
}
c, err := vm.Flush(ctx)
return c, deals, err
}
func reassignMinerActorAddress(vm *vm.VM, cst *hamt.CborIpldStore, from, to address.Address) error {
if from == to {
return nil
}
act, err := vm.StateTree().GetActor(from)
if err != nil {
return xerrors.Errorf("reassign: failed to get 'from' actor: %w", err)
}
_, err = vm.StateTree().GetActor(to)
if err == nil {
return xerrors.Errorf("cannot reassign actor, target address taken")
}
if err := vm.StateTree().SetActor(to, act); err != nil {
return xerrors.Errorf("failed to reassign actor: %w", err)
}
if err := adjustStorageMarketTracking(vm, cst, from, to); err != nil {
return xerrors.Errorf("adjusting storage market tracking: %w", err)
}
// Now, adjust the tracking in the init actor
return initActorReassign(vm, cst, from, to)
}
func adjustStorageMarketTracking(vm *vm.VM, cst *hamt.CborIpldStore, from, to address.Address) error {
ctx := context.TODO()
act, err := vm.StateTree().GetActor(actors.StoragePowerAddress)
if err != nil {
return xerrors.Errorf("loading storage power actor: %w", err)
}
var spst actors.StoragePowerState
if err := cst.Get(ctx, act.Head, &spst); err != nil {
return xerrors.Errorf("loading storage power actor state: %w", err)
}
miners, err := hamt.LoadNode(ctx, cst, spst.Miners)
if err != nil {
return xerrors.Errorf("loading miner set: %w", err)
}
if err := miners.Delete(ctx, string(from.Bytes())); err != nil {
return xerrors.Errorf("deleting from spa set: %w", err)
}
if err := miners.Set(ctx, string(to.Bytes()), uint64(1)); err != nil {
return xerrors.Errorf("failed setting miner: %w", err)
}
if err := miners.Flush(ctx); err != nil {
return err
}
nminerscid, err := cst.Put(ctx, miners)
if err != nil {
return err
}
spst.Miners = nminerscid
nhead, err := cst.Put(ctx, &spst)
if err != nil {
return err
}
act.Head = nhead
return nil
}
func initActorReassign(vm *vm.VM, cst *hamt.CborIpldStore, from, to address.Address) error {
ctx := context.TODO()
initact, err := vm.StateTree().GetActor(actors.InitAddress)
if err != nil {
return xerrors.Errorf("couldnt get init actor: %w", err)
}
var st actors.InitActorState
if err := cst.Get(ctx, initact.Head, &st); err != nil {
return xerrors.Errorf("reassign loading init actor state: %w", err)
}
amap, err := hamt.LoadNode(ctx, cst, st.AddressMap)
if err != nil {
return xerrors.Errorf("failed to load init actor map: %w", err)
}
target, err := address.IDFromAddress(from)
if err != nil {
return xerrors.Errorf("failed to extract ID: %w", err)
}
var out string
halt := xerrors.Errorf("halt")
err = amap.ForEach(ctx, func(k string, v interface{}) error {
_, val, err := cbg.CborReadHeader(bytes.NewReader(v.(*cbg.Deferred).Raw))
if err != nil {
return xerrors.Errorf("parsing int in map failed: %w", err)
}
if val == target {
out = k
return halt
}
return nil
})
if err == nil {
return xerrors.Errorf("could not find from address in init ID map")
}
if !xerrors.Is(err, halt) {
return xerrors.Errorf("finding address in ID map failed: %w", err)
}
if err := amap.Delete(ctx, out); err != nil {
return xerrors.Errorf("deleting 'from' entry in amap: %w", err)
}
if err := amap.Set(ctx, out, target); err != nil {
return xerrors.Errorf("setting 'to' entry in amap: %w", err)
}
if err := amap.Flush(ctx); err != nil {
return xerrors.Errorf("failed to flush amap: %w", err)
}
ncid, err := cst.Put(ctx, amap)
if err != nil {
return err
}
st.AddressMap = ncid
nacthead, err := cst.Put(ctx, &st)
if err != nil {
return err
}
initact.Head = nacthead
return nil
}
func doExec(ctx context.Context, vm *vm.VM, to, from address.Address, method uint64, params []byte) ([]byte, error) {
return doExecValue(ctx, vm, to, from, types.NewInt(0), method, params)
}
func doExecValue(ctx context.Context, vm *vm.VM, to, from address.Address, value types.BigInt, method uint64, params []byte) ([]byte, error) {
act, err := vm.StateTree().GetActor(from)
if err != nil {
return nil, xerrors.Errorf("doExec failed to get from actor: %w", err)
}
ret, err := vm.ApplyMessage(context.TODO(), &types.Message{
To: to,
From: from,
Method: method,
Params: params,
GasLimit: types.NewInt(1000000),
GasPrice: types.NewInt(0),
Value: value,
Nonce: act.Nonce,
})
if err != nil {
return nil, xerrors.Errorf("doExec apply message failed: %w", err)
}
if ret.ExitCode != 0 {
return nil, fmt.Errorf("failed to call method: %s", ret.ActorErr)
}
return ret.Return, nil
}
func MakeGenesisBlock(bs bstore.Blockstore, sys *types.VMSyscalls, balances map[address.Address]types.BigInt, gmcfg *GenMinerCfg, ts uint64) (*GenesisBootstrap, error) {
ctx := context.Background()
state, err := MakeInitialStateTree(bs, balances)
if err != nil {
return nil, xerrors.Errorf("make initial state tree failed: %w", err)
}
stateroot, err := state.Flush(ctx)
if err != nil {
return nil, xerrors.Errorf("flush state tree failed: %w", err)
}
// temp chainstore
cs := store.NewChainStore(bs, datastore.NewMapDatastore(), sys)
stateroot, deals, err := SetupStorageMiners(ctx, cs, stateroot, gmcfg)
if err != nil {
return nil, xerrors.Errorf("setup storage miners failed: %w", err)
}
stateroot, err = SetupStorageMarketActor(bs, stateroot, deals)
if err != nil {
return nil, xerrors.Errorf("setup storage market actor: %w", err)
}
stateroot, err = AdjustInitActorStartID(ctx, bs, stateroot, 1000)
if err != nil {
return nil, xerrors.Errorf("failed to adjust init actor start ID: %w", err)
}
blks := amt.WrapBlockstore(bs)
emptyroot, err := amt.FromArray(blks, nil)
if err != nil {
return nil, xerrors.Errorf("amt build failed: %w", err)
}
mm := &types.MsgMeta{
BlsMessages: emptyroot,
SecpkMessages: emptyroot,
}
mmb, err := mm.ToStorageBlock()
if err != nil {
return nil, xerrors.Errorf("serializing msgmeta failed: %w", err)
}
if err := bs.Put(mmb); err != nil {
return nil, xerrors.Errorf("putting msgmeta block to blockstore: %w", err)
}
log.Infof("Empty Genesis root: %s", emptyroot)
genesisticket := &types.Ticket{
VRFProof: []byte("vrf proof0000000vrf proof0000000"),
}
b := &types.BlockHeader{
Miner: actors.InitAddress,
Ticket: genesisticket,
EPostProof: types.EPostProof{
Proof: []byte("not a real proof"),
PostRand: []byte("i guess this is kinda random"),
},
Parents: []cid.Cid{},
Height: 0,
ParentWeight: types.NewInt(0),
ParentStateRoot: stateroot,
Messages: mmb.Cid(),
ParentMessageReceipts: emptyroot,
BLSAggregate: types.Signature{Type: types.KTBLS, Data: []byte("signatureeee")},
BlockSig: &types.Signature{Type: types.KTBLS, Data: []byte("block signatureeee")},
Timestamp: ts,
}
sb, err := b.ToStorageBlock()
if err != nil {
return nil, xerrors.Errorf("serializing block header failed: %w", err)
}
if err := bs.Put(sb); err != nil {
return nil, xerrors.Errorf("putting header to blockstore: %w", err)
}
return &GenesisBootstrap{
Genesis: b,
}, nil
}
func AdjustInitActorStartID(ctx context.Context, bs blockstore.Blockstore, stateroot cid.Cid, val uint64) (cid.Cid, error) {
cst := hamt.CSTFromBstore(bs)
tree, err := state.LoadStateTree(cst, stateroot)
if err != nil {
return cid.Undef, err
}
act, err := tree.GetActor(actors.InitAddress)
if err != nil {
return cid.Undef, err
}
var st actors.InitActorState
if err := cst.Get(ctx, act.Head, &st); err != nil {
return cid.Undef, err
}
st.NextID = val
nstate, err := cst.Put(ctx, &st)
if err != nil {
return cid.Undef, err
}
act.Head = nstate
if err := tree.SetActor(actors.InitAddress, act); err != nil {
return cid.Undef, err
}
return tree.Flush(ctx)
}