lotus/chain/gen/mining.go

194 lines
4.9 KiB
Go
Raw Normal View History

2019-07-25 22:15:33 +00:00
package gen
2019-07-05 14:46:21 +00:00
import (
"context"
2019-09-06 20:03:28 +00:00
2020-09-07 03:49:10 +00:00
"github.com/filecoin-project/go-state-types/crypto"
"github.com/filecoin-project/specs-actors/actors/util/adt"
2019-09-06 20:03:28 +00:00
cid "github.com/ipfs/go-cid"
2020-02-04 22:19:05 +00:00
cbor "github.com/ipfs/go-ipld-cbor"
2019-09-17 01:56:37 +00:00
cbg "github.com/whyrusleeping/cbor-gen"
2019-08-27 00:46:39 +00:00
"golang.org/x/xerrors"
2020-04-09 00:24:10 +00:00
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/chain/state"
"github.com/filecoin-project/lotus/chain/stmgr"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/vm"
"github.com/filecoin-project/lotus/lib/sigs/bls"
2019-07-05 14:46:21 +00:00
)
func MinerCreateBlock(ctx context.Context, sm *stmgr.StateManager, w api.WalletAPI, bt *api.BlockTemplate) (*types.FullBlock, error) {
2020-04-09 00:24:10 +00:00
pts, err := sm.ChainStore().LoadTipSet(bt.Parents)
if err != nil {
return nil, xerrors.Errorf("failed to load parent tipset: %w", err)
}
st, recpts, err := sm.TipSetState(ctx, pts)
2019-07-05 14:46:21 +00:00
if err != nil {
return nil, xerrors.Errorf("failed to load tipset state: %w", err)
2019-07-05 14:46:21 +00:00
}
2020-04-09 00:24:10 +00:00
worker, err := stmgr.GetMinerWorkerRaw(ctx, sm, st, bt.Miner)
2019-08-27 00:46:39 +00:00
if err != nil {
return nil, xerrors.Errorf("failed to get miner worker: %w", err)
}
2019-07-05 14:46:21 +00:00
next := &types.BlockHeader{
2020-04-09 00:24:10 +00:00
Miner: bt.Miner,
Parents: bt.Parents.Cids(),
Ticket: bt.Ticket,
ElectionProof: bt.Eproof,
2020-04-17 22:02:43 +00:00
BeaconEntries: bt.BeaconValues,
Height: bt.Epoch,
Timestamp: bt.Timestamp,
WinPoStProof: bt.WinningPoStProof,
2019-09-27 23:55:15 +00:00
ParentStateRoot: st,
ParentMessageReceipts: recpts,
2019-07-05 14:46:21 +00:00
}
var blsMessages []*types.Message
var secpkMessages []*types.SignedMessage
var blsMsgCids, secpkMsgCids []cid.Cid
2020-02-12 23:52:36 +00:00
var blsSigs []crypto.Signature
2020-04-09 00:24:10 +00:00
for _, msg := range bt.Messages {
2020-02-12 23:52:36 +00:00
if msg.Signature.Type == crypto.SigTypeBLS {
2019-07-05 14:46:21 +00:00
blsSigs = append(blsSigs, msg.Signature)
blsMessages = append(blsMessages, &msg.Message)
2019-07-05 14:46:21 +00:00
c, err := sm.ChainStore().PutMessage(&msg.Message)
2019-07-05 14:46:21 +00:00
if err != nil {
return nil, err
}
blsMsgCids = append(blsMsgCids, c)
2019-07-05 14:46:21 +00:00
} else {
c, err := sm.ChainStore().PutMessage(msg)
if err != nil {
return nil, err
}
secpkMsgCids = append(secpkMsgCids, c)
secpkMessages = append(secpkMessages, msg)
2019-07-05 14:46:21 +00:00
}
}
store := sm.ChainStore().Store(ctx)
blsmsgroot, err := toArray(store, blsMsgCids)
if err != nil {
2019-09-17 01:56:37 +00:00
return nil, xerrors.Errorf("building bls amt: %w", err)
}
secpkmsgroot, err := toArray(store, secpkMsgCids)
if err != nil {
2019-09-17 01:56:37 +00:00
return nil, xerrors.Errorf("building secpk amt: %w", err)
}
mmcid, err := store.Put(store.Context(), &types.MsgMeta{
BlsMessages: blsmsgroot,
SecpkMessages: secpkmsgroot,
})
2019-07-05 14:46:21 +00:00
if err != nil {
return nil, err
}
next.Messages = mmcid
2019-07-05 14:46:21 +00:00
aggSig, err := aggregateSignatures(blsSigs)
if err != nil {
return nil, err
}
next.BLSAggregate = aggSig
2020-04-09 00:24:10 +00:00
pweight, err := sm.ChainStore().Weight(ctx, pts)
2019-10-15 05:00:30 +00:00
if err != nil {
return nil, err
}
next.ParentWeight = pweight
2019-07-05 14:46:21 +00:00
baseFee, err := sm.ChainStore().ComputeBaseFee(ctx, pts)
if err != nil {
return nil, xerrors.Errorf("computing base fee: %w", err)
}
next.ParentBaseFee = baseFee
2020-02-04 22:19:05 +00:00
cst := cbor.NewCborStore(sm.ChainStore().Blockstore())
2019-10-03 19:45:14 +00:00
tree, err := state.LoadStateTree(cst, st)
2019-08-27 00:46:39 +00:00
if err != nil {
2019-10-03 19:45:14 +00:00
return nil, xerrors.Errorf("failed to load state tree: %w", err)
2019-08-27 00:46:39 +00:00
}
2019-10-03 19:45:14 +00:00
waddr, err := vm.ResolveToKeyAddr(tree, cst, worker)
2019-08-27 00:46:39 +00:00
if err != nil {
return nil, xerrors.Errorf("failed to resolve miner address to key address: %w", err)
}
2019-10-03 19:45:14 +00:00
nosigbytes, err := next.SigningBytes()
if err != nil {
return nil, xerrors.Errorf("failed to get signing bytes for block: %w", err)
}
sig, err := w.WalletSign(ctx, waddr, nosigbytes, api.MsgMeta{
2020-10-08 23:27:49 +00:00
Type: api.MTBlock,
})
2019-08-27 00:46:39 +00:00
if err != nil {
return nil, xerrors.Errorf("failed to sign new block: %w", err)
}
next.BlockSig = sig
2019-08-27 00:46:39 +00:00
fullBlock := &types.FullBlock{
Header: next,
BlsMessages: blsMessages,
SecpkMessages: secpkMessages,
2019-07-05 14:46:21 +00:00
}
return fullBlock, nil
}
2020-03-21 22:25:00 +00:00
func aggregateSignatures(sigs []crypto.Signature) (*crypto.Signature, error) {
sigsS := make([][]byte, len(sigs))
for i := 0; i < len(sigs); i++ {
sigsS[i] = sigs[i].Data
2019-07-05 14:46:21 +00:00
}
aggregator := new(bls.AggregateSignature).AggregateCompressed(sigsS)
if aggregator == nil {
2020-06-26 18:32:47 +00:00
if len(sigs) > 0 {
return nil, xerrors.Errorf("bls.Aggregate returned nil with %d signatures", len(sigs))
}
2020-07-26 04:46:23 +00:00
// Note: for blst this condition should not happen - nil should not
// be returned
2020-06-26 18:32:47 +00:00
return &crypto.Signature{
Type: crypto.SigTypeBLS,
Data: new(bls.Signature).Compress(),
2020-06-26 18:32:47 +00:00
}, nil
}
2020-07-26 04:46:23 +00:00
aggSigAff := aggregator.ToAffine()
if aggSigAff == nil {
return &crypto.Signature{
Type: crypto.SigTypeBLS,
Data: new(bls.Signature).Compress(),
}, nil
}
aggSig := aggSigAff.Compress()
2020-03-21 22:25:00 +00:00
return &crypto.Signature{
2020-02-12 23:52:36 +00:00
Type: crypto.SigTypeBLS,
Data: aggSig,
2019-07-05 14:46:21 +00:00
}, nil
}
func toArray(store adt.Store, cids []cid.Cid) (cid.Cid, error) {
arr := adt.MakeEmptyArray(store)
for i, c := range cids {
2019-09-17 01:56:37 +00:00
oc := cbg.CborCid(c)
if err := arr.Set(uint64(i), &oc); err != nil {
return cid.Undef, err
}
2019-07-05 14:46:21 +00:00
}
return arr.Root()
2019-07-05 14:46:21 +00:00
}