429 lines
10 KiB
Go
429 lines
10 KiB
Go
package gen
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"fmt"
|
|
"sync/atomic"
|
|
|
|
"github.com/ipfs/go-blockservice"
|
|
"github.com/ipfs/go-car"
|
|
offline "github.com/ipfs/go-ipfs-exchange-offline"
|
|
"github.com/ipfs/go-merkledag"
|
|
peer "github.com/libp2p/go-libp2p-peer"
|
|
"golang.org/x/xerrors"
|
|
|
|
"github.com/filecoin-project/go-lotus/api"
|
|
"github.com/filecoin-project/go-lotus/build"
|
|
"github.com/filecoin-project/go-lotus/chain/address"
|
|
"github.com/filecoin-project/go-lotus/chain/stmgr"
|
|
"github.com/filecoin-project/go-lotus/chain/store"
|
|
"github.com/filecoin-project/go-lotus/chain/types"
|
|
"github.com/filecoin-project/go-lotus/chain/wallet"
|
|
"github.com/filecoin-project/go-lotus/lib/vdf"
|
|
"github.com/filecoin-project/go-lotus/node/repo"
|
|
|
|
block "github.com/ipfs/go-block-format"
|
|
"github.com/ipfs/go-cid"
|
|
blockstore "github.com/ipfs/go-ipfs-blockstore"
|
|
logging "github.com/ipfs/go-log"
|
|
)
|
|
|
|
var log = logging.Logger("gen")
|
|
|
|
const msgsPerBlock = 20
|
|
|
|
type ChainGen struct {
|
|
accounts []address.Address
|
|
|
|
msgsPerBlock int
|
|
|
|
bs blockstore.Blockstore
|
|
|
|
cs *store.ChainStore
|
|
|
|
sm *stmgr.StateManager
|
|
|
|
genesis *types.BlockHeader
|
|
curTipset *store.FullTipSet
|
|
|
|
w *wallet.Wallet
|
|
|
|
miners []address.Address
|
|
mworkers []address.Address
|
|
receivers []address.Address
|
|
banker address.Address
|
|
bankerNonce uint64
|
|
|
|
r repo.Repo
|
|
lr repo.LockedRepo
|
|
}
|
|
|
|
type mybs struct {
|
|
blockstore.Blockstore
|
|
}
|
|
|
|
func (m mybs) Get(c cid.Cid) (block.Block, error) {
|
|
b, err := m.Blockstore.Get(c)
|
|
if err != nil {
|
|
// change to error for stacktraces, don't commit with that pls
|
|
// TODO: debug why we get so many not founds in tests
|
|
log.Warnf("Get failed: %s %s", c, err)
|
|
return nil, err
|
|
}
|
|
|
|
return b, nil
|
|
}
|
|
|
|
func NewGenerator() (*ChainGen, error) {
|
|
mr := repo.NewMemory(nil)
|
|
lr, err := mr.Lock()
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("taking mem-repo lock failed: %w", err)
|
|
}
|
|
|
|
ds, err := lr.Datastore("/metadata")
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("failed to get metadata datastore: %w", err)
|
|
}
|
|
|
|
bds, err := lr.Datastore("/blocks")
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("failed to get blocks datastore: %w", err)
|
|
}
|
|
|
|
bs := mybs{blockstore.NewIdStore(blockstore.NewBlockstore(bds))}
|
|
|
|
ks, err := lr.KeyStore()
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("getting repo keystore failed: %w", err)
|
|
}
|
|
|
|
w, err := wallet.NewWallet(ks)
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("creating memrepo wallet failed: %w", err)
|
|
}
|
|
|
|
worker, err := w.GenerateKey(types.KTBLS)
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("failed to generate worker key: %w", err)
|
|
}
|
|
|
|
banker, err := w.GenerateKey(types.KTSecp256k1)
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("failed to generate banker key: %w", err)
|
|
}
|
|
|
|
receievers := make([]address.Address, msgsPerBlock)
|
|
for r := range receievers {
|
|
receievers[r], err = w.GenerateKey(types.KTBLS)
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("failed to generate receiver key: %w", err)
|
|
}
|
|
}
|
|
|
|
minercfg := &GenMinerCfg{
|
|
Workers: []address.Address{worker, worker},
|
|
Owners: []address.Address{worker, worker},
|
|
PeerIDs: []peer.ID{"peerID1", "peerID2"},
|
|
}
|
|
|
|
genb, err := MakeGenesisBlock(bs, map[address.Address]types.BigInt{
|
|
worker: types.NewInt(50000),
|
|
banker: types.NewInt(90000000),
|
|
}, minercfg, 100000)
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("make genesis block failed: %w", err)
|
|
}
|
|
|
|
cs := store.NewChainStore(bs, ds)
|
|
|
|
genfb := &types.FullBlock{Header: genb.Genesis}
|
|
gents := store.NewFullTipSet([]*types.FullBlock{genfb})
|
|
|
|
if err := cs.SetGenesis(genb.Genesis); err != nil {
|
|
return nil, xerrors.Errorf("set genesis failed: %w", err)
|
|
}
|
|
|
|
if len(minercfg.MinerAddrs) == 0 {
|
|
return nil, xerrors.Errorf("MakeGenesisBlock failed to set miner address")
|
|
}
|
|
|
|
sm := stmgr.NewStateManager(cs)
|
|
|
|
gen := &ChainGen{
|
|
bs: bs,
|
|
cs: cs,
|
|
sm: sm,
|
|
msgsPerBlock: msgsPerBlock,
|
|
genesis: genb.Genesis,
|
|
w: w,
|
|
|
|
miners: minercfg.MinerAddrs,
|
|
mworkers: minercfg.Workers,
|
|
banker: banker,
|
|
receivers: receievers,
|
|
|
|
curTipset: gents,
|
|
|
|
r: mr,
|
|
lr: lr,
|
|
}
|
|
|
|
return gen, nil
|
|
}
|
|
|
|
func (cg *ChainGen) Genesis() *types.BlockHeader {
|
|
return cg.genesis
|
|
}
|
|
|
|
func (cg *ChainGen) GenesisCar() ([]byte, error) {
|
|
offl := offline.Exchange(cg.bs)
|
|
blkserv := blockservice.New(cg.bs, offl)
|
|
dserv := merkledag.NewDAGService(blkserv)
|
|
|
|
out := new(bytes.Buffer)
|
|
|
|
if err := car.WriteCar(context.TODO(), dserv, []cid.Cid{cg.Genesis().Cid()}, out); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return out.Bytes(), nil
|
|
}
|
|
|
|
func (cg *ChainGen) nextBlockProof(ctx context.Context, m address.Address, ticks []*types.Ticket) (types.ElectionProof, *types.Ticket, error) {
|
|
pts := cg.curTipset.TipSet()
|
|
|
|
var lastTicket *types.Ticket
|
|
if len(ticks) == 0 {
|
|
lastTicket = pts.MinTicket()
|
|
} else {
|
|
lastTicket = ticks[len(ticks)-1]
|
|
}
|
|
|
|
st, err := cg.sm.TipSetState(pts.Cids())
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
worker, err := stmgr.GetMinerWorker(ctx, cg.sm, st, m)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
vrfout, err := ComputeVRF(ctx, cg.w.Sign, worker, lastTicket.VDFResult)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
out, proof, err := vdf.Run(vrfout)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
tick := &types.Ticket{
|
|
VRFProof: vrfout,
|
|
VDFProof: proof,
|
|
VDFResult: out,
|
|
}
|
|
|
|
win, eproof, err := IsRoundWinner(ctx, pts, append(ticks, tick), m, &mca{w: cg.w, sm: cg.sm})
|
|
if err != nil {
|
|
return nil, nil, xerrors.Errorf("checking round winner failed: %w", err)
|
|
}
|
|
if !win {
|
|
return nil, tick, nil
|
|
}
|
|
|
|
return eproof, tick, nil
|
|
}
|
|
|
|
type MinedTipSet struct {
|
|
TipSet *store.FullTipSet
|
|
Messages []*types.SignedMessage
|
|
}
|
|
|
|
func (cg *ChainGen) NextTipSet() (*MinedTipSet, error) {
|
|
var blks []*types.FullBlock
|
|
ticketSets := make([][]*types.Ticket, len(cg.miners))
|
|
|
|
msgs, err := cg.getRandomMessages()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
base := cg.curTipset.TipSet()
|
|
|
|
for len(blks) == 0 {
|
|
for i, m := range cg.miners {
|
|
proof, t, err := cg.nextBlockProof(context.TODO(), m, ticketSets[i])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ticketSets[i] = append(ticketSets[i], t)
|
|
if proof != nil {
|
|
fblk, err := cg.makeBlock(base, m, proof, ticketSets[i], msgs)
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("making a block for next tipset failed: %w", err)
|
|
}
|
|
|
|
if err := cg.cs.AddBlock(fblk.Header); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
blks = append(blks, fblk)
|
|
}
|
|
}
|
|
}
|
|
|
|
cg.curTipset = store.NewFullTipSet(blks)
|
|
|
|
return &MinedTipSet{
|
|
TipSet: cg.curTipset,
|
|
Messages: msgs,
|
|
}, nil
|
|
}
|
|
|
|
func (cg *ChainGen) makeBlock(parents *types.TipSet, m address.Address, eproof types.ElectionProof, tickets []*types.Ticket, msgs []*types.SignedMessage) (*types.FullBlock, error) {
|
|
|
|
ts := parents.MinTimestamp() + (uint64(len(tickets)) * build.BlockDelay)
|
|
|
|
fblk, err := MinerCreateBlock(context.TODO(), cg.sm, cg.w, m, parents, tickets, eproof, msgs, ts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return fblk, err
|
|
}
|
|
|
|
func (cg *ChainGen) getRandomMessages() ([]*types.SignedMessage, error) {
|
|
msgs := make([]*types.SignedMessage, cg.msgsPerBlock)
|
|
for m := range msgs {
|
|
msg := types.Message{
|
|
To: cg.receivers[m%len(cg.receivers)],
|
|
From: cg.banker,
|
|
|
|
Nonce: atomic.AddUint64(&cg.bankerNonce, 1) - 1,
|
|
|
|
Value: types.NewInt(uint64(m + 1)),
|
|
|
|
Method: 0,
|
|
|
|
GasLimit: types.NewInt(10000),
|
|
GasPrice: types.NewInt(0),
|
|
}
|
|
|
|
unsigned, err := msg.Serialize()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
sig, err := cg.w.Sign(context.TODO(), cg.banker, unsigned)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
msgs[m] = &types.SignedMessage{
|
|
Message: msg,
|
|
Signature: *sig,
|
|
}
|
|
|
|
if _, err := cg.cs.PutMessage(msgs[m]); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return msgs, nil
|
|
}
|
|
|
|
func (cg *ChainGen) YieldRepo() (repo.Repo, error) {
|
|
if err := cg.lr.Close(); err != nil {
|
|
return nil, err
|
|
}
|
|
return cg.r, nil
|
|
}
|
|
|
|
type MiningCheckAPI interface {
|
|
ChainGetRandomness(context.Context, *types.TipSet, []*types.Ticket, int) ([]byte, error)
|
|
|
|
StateMinerPower(context.Context, address.Address, *types.TipSet) (api.MinerPower, error)
|
|
|
|
StateMinerWorker(context.Context, address.Address, *types.TipSet) (address.Address, error)
|
|
|
|
WalletSign(context.Context, address.Address, []byte) (*types.Signature, error)
|
|
}
|
|
|
|
type mca struct {
|
|
w *wallet.Wallet
|
|
sm *stmgr.StateManager
|
|
}
|
|
|
|
func (mca mca) ChainGetRandomness(ctx context.Context, pts *types.TipSet, ticks []*types.Ticket, lb int) ([]byte, error) {
|
|
return mca.sm.ChainStore().GetRandomness(ctx, pts, ticks, int64(lb))
|
|
}
|
|
|
|
func (mca mca) StateMinerPower(ctx context.Context, maddr address.Address, ts *types.TipSet) (api.MinerPower, error) {
|
|
mpow, tpow, err := stmgr.GetPower(ctx, mca.sm, ts, maddr)
|
|
if err != nil {
|
|
return api.MinerPower{}, err
|
|
}
|
|
|
|
return api.MinerPower{
|
|
MinerPower: mpow,
|
|
TotalPower: tpow,
|
|
}, err
|
|
}
|
|
|
|
func (mca mca) StateMinerWorker(ctx context.Context, maddr address.Address, ts *types.TipSet) (address.Address, error) {
|
|
st, err := mca.sm.TipSetState(ts.Cids())
|
|
if err != nil {
|
|
return address.Undef, err
|
|
}
|
|
|
|
return stmgr.GetMinerWorker(ctx, mca.sm, st, maddr)
|
|
}
|
|
|
|
func (mca mca) WalletSign(ctx context.Context, a address.Address, v []byte) (*types.Signature, error) {
|
|
return mca.w.Sign(ctx, a, v)
|
|
}
|
|
|
|
func IsRoundWinner(ctx context.Context, ts *types.TipSet, ticks []*types.Ticket, miner address.Address, a MiningCheckAPI) (bool, types.ElectionProof, error) {
|
|
r, err := a.ChainGetRandomness(ctx, ts, ticks, build.RandomnessLookback)
|
|
if err != nil {
|
|
return false, nil, err
|
|
}
|
|
|
|
mworker, err := a.StateMinerWorker(ctx, miner, ts)
|
|
if err != nil {
|
|
return false, nil, xerrors.Errorf("failed to get miner worker: %w", err)
|
|
}
|
|
|
|
vrfout, err := ComputeVRF(ctx, a.WalletSign, mworker, r)
|
|
if err != nil {
|
|
return false, nil, xerrors.Errorf("failed to compute VRF: %w", err)
|
|
}
|
|
|
|
pow, err := a.StateMinerPower(ctx, miner, ts)
|
|
if err != nil {
|
|
return false, nil, xerrors.Errorf("failed to check power: %w", err)
|
|
}
|
|
|
|
return types.PowerCmp(vrfout, pow.MinerPower, pow.TotalPower), vrfout, nil
|
|
}
|
|
|
|
type SignFunc func(context.Context, address.Address, []byte) (*types.Signature, error)
|
|
|
|
func ComputeVRF(ctx context.Context, sign SignFunc, w address.Address, input []byte) ([]byte, error) {
|
|
sig, err := sign(ctx, w, input)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if sig.Type != types.KTBLS {
|
|
return nil, fmt.Errorf("miner worker address was not a BLS key")
|
|
}
|
|
|
|
return sig.Data, nil
|
|
}
|