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message_store.go
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message_store.go
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package chain
import (
"bytes"
"context"
"fmt"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/big"
cbor2 "github.com/filecoin-project/go-state-types/cbor"
"github.com/filecoin-project/specs-actors/actors/util/adt"
blocks "github.com/ipfs/go-block-format"
"github.com/ipfs/go-cid"
"github.com/ipfs/go-datastore"
blockstore "github.com/ipfs/go-ipfs-blockstore"
cbor "github.com/ipfs/go-ipld-cbor"
ipld "github.com/ipfs/go-ipld-format"
"github.com/pkg/errors"
cbg "github.com/whyrusleeping/cbor-gen"
"github.com/filecoin-project/venus/pkg/config"
"github.com/filecoin-project/venus/pkg/constants"
"github.com/filecoin-project/venus/pkg/state/tree"
blockstoreutil "github.com/filecoin-project/venus/venus-shared/blockstore"
"github.com/filecoin-project/venus/venus-shared/types"
)
// MessageProvider is an interface exposing the load methods of the
// MessageStore.
type MessageProvider interface {
LoadTipSetMessage(ctx context.Context, ts *types.TipSet) ([]types.BlockMessagesInfo, error)
LoadMetaMessages(context.Context, cid.Cid) ([]*types.SignedMessage, []*types.Message, error)
ReadMsgMetaCids(ctx context.Context, mmc cid.Cid) ([]cid.Cid, []cid.Cid, error)
LoadUnsignedMessagesFromCids(ctx context.Context, blsCids []cid.Cid) ([]*types.Message, error)
LoadSignedMessagesFromCids(ctx context.Context, secpCids []cid.Cid) ([]*types.SignedMessage, error)
LoadReceipts(context.Context, cid.Cid) ([]types.MessageReceipt, error)
LoadTxMeta(context.Context, cid.Cid) (types.MessageRoot, error)
}
// MessageWriter is an interface exposing the write methods of the
// MessageStore.
type MessageWriter interface {
StoreMessages(ctx context.Context, secpMessages []*types.SignedMessage, blsMessages []*types.Message) (cid.Cid, error)
StoreReceipts(context.Context, []types.MessageReceipt) (cid.Cid, error)
StoreTxMeta(context.Context, types.MessageRoot) (cid.Cid, error)
}
// MessageStore stores and loads collections of signed messages and receipts.
type MessageStore struct {
bs blockstoreutil.Blockstore
fkCfg *config.ForkUpgradeConfig
}
// NewMessageStore creates and returns a new store
func NewMessageStore(bs blockstoreutil.Blockstore, fkCfg *config.ForkUpgradeConfig) *MessageStore {
return &MessageStore{bs: bs, fkCfg: fkCfg}
}
// LoadMetaMessages loads the signed messages in the collection with cid c from ipld
// storage.
func (ms *MessageStore) LoadMetaMessages(ctx context.Context, metaCid cid.Cid) ([]*types.SignedMessage, []*types.Message, error) {
// load txmeta
meta, err := ms.LoadTxMeta(ctx, metaCid)
if err != nil {
return nil, nil, err
}
secpCids, err := ms.loadAMTCids(ctx, meta.SecpkRoot)
if err != nil {
return nil, nil, err
}
// load secp messages from cids
secpMsgs, err := ms.LoadSignedMessagesFromCids(ctx, secpCids)
if err != nil {
return nil, nil, err
}
blsCids, err := ms.loadAMTCids(ctx, meta.BlsRoot)
if err != nil {
return nil, nil, err
}
// load bls messages from cids
blsMsgs, err := ms.LoadUnsignedMessagesFromCids(ctx, blsCids)
if err != nil {
return nil, nil, err
}
return secpMsgs, blsMsgs, nil
}
// ReadMsgMetaCids load messager from message meta cid
func (ms *MessageStore) ReadMsgMetaCids(ctx context.Context, mmc cid.Cid) ([]cid.Cid, []cid.Cid, error) {
meta, err := ms.LoadTxMeta(ctx, mmc)
if err != nil {
return nil, nil, err
}
secpCids, err := ms.loadAMTCids(ctx, meta.SecpkRoot)
if err != nil {
return nil, nil, err
}
blsCids, err := ms.loadAMTCids(ctx, meta.BlsRoot)
if err != nil {
return nil, nil, err
}
return blsCids, secpCids, nil
}
// LoadMessage load message of specify message cid
// First get the unsigned message. If it is not found, then get the signed message. If still not found, an error will be returned
func (ms *MessageStore) LoadMessage(ctx context.Context, mid cid.Cid) (types.ChainMsg, error) {
m, err := ms.LoadUnsignedMessage(ctx, mid)
if err == nil {
return m, nil
}
if !ipld.IsNotFound(err) {
log.Warnf("GetCMessage: unexpected error getting unsigned message: %s", err)
}
return ms.LoadSignedMessage(ctx, mid)
}
// LoadUnsignedMessage load unsigned messages in tipset
func (ms *MessageStore) LoadUnsignedMessage(ctx context.Context, mid cid.Cid) (*types.Message, error) {
messageBlock, err := ms.bs.Get(ctx, mid)
if err != nil {
return nil, errors.Wrapf(err, "failed to get bls message %s", mid)
}
message := &types.Message{}
if err := message.UnmarshalCBOR(bytes.NewReader(messageBlock.RawData())); err != nil {
return nil, errors.Wrapf(err, "could not decode bls message %s", mid)
}
return message, nil
}
// LoadUnsignedMessagesFromCids load unsigned messages of cid array
func (ms *MessageStore) LoadSignedMessage(ctx context.Context, mid cid.Cid) (*types.SignedMessage, error) {
messageBlock, err := ms.bs.Get(ctx, mid)
if err != nil {
return nil, errors.Wrapf(err, "failed to get bls message %s", mid)
}
message := &types.SignedMessage{}
if err := message.UnmarshalCBOR(bytes.NewReader(messageBlock.RawData())); err != nil {
return nil, errors.Wrapf(err, "could not decode secp message %s", mid)
}
return message, nil
}
// LoadUnsignedMessagesFromCids load unsigned messages of cid array
func (ms *MessageStore) LoadUnsignedMessagesFromCids(ctx context.Context, blsCids []cid.Cid) ([]*types.Message, error) {
blsMsgs := make([]*types.Message, len(blsCids))
for i, c := range blsCids {
message, err := ms.LoadUnsignedMessage(ctx, c)
if err != nil {
return nil, err
}
blsMsgs[i] = message
}
return blsMsgs, nil
}
// LoadSignedMessagesFromCids load signed messages of cid array
func (ms *MessageStore) LoadSignedMessagesFromCids(ctx context.Context, secpCids []cid.Cid) ([]*types.SignedMessage, error) {
secpMsgs := make([]*types.SignedMessage, len(secpCids))
for i, c := range secpCids {
message, err := ms.LoadSignedMessage(ctx, c)
if err != nil {
return nil, err
}
secpMsgs[i] = message
}
return secpMsgs, nil
}
// StoreMessages puts the input signed messages to a collection and then writes
// this collection to ipld storage. The cid of the collection is returned.
func (ms *MessageStore) StoreMessages(ctx context.Context, secpMessages []*types.SignedMessage, blsMessages []*types.Message) (cid.Cid, error) {
var ret types.MessageRoot
var err error
// store secp messages
as := cbor.NewCborStore(ms.bs)
secpMsgArr := adt.MakeEmptyArray(adt.WrapStore(ctx, as))
for i, msg := range secpMessages {
secpCid, err := ms.StoreMessage(msg)
if err != nil {
return cid.Undef, errors.Wrap(err, "could not store secp messages")
}
err = secpMsgArr.Set(uint64(i), (*cbg.CborCid)(&secpCid))
if err != nil {
return cid.Undef, errors.Wrap(err, "could not store secp messages cid")
}
}
secpRaw, err := secpMsgArr.Root()
if err != nil {
return cid.Undef, errors.Wrap(err, "could not store secp cids as AMT")
}
ret.SecpkRoot = secpRaw
// store bls messages
blsMsgArr := adt.MakeEmptyArray(adt.WrapStore(ctx, as))
for i, msg := range blsMessages {
blsCid, err := ms.StoreMessage(msg)
if err != nil {
return cid.Undef, errors.Wrap(err, "could not store bls messages")
}
err = blsMsgArr.Set(uint64(i), (*cbg.CborCid)(&blsCid))
if err != nil {
return cid.Undef, errors.Wrap(err, "could not store secp messages cid")
}
}
blsRaw, err := blsMsgArr.Root()
if err != nil {
return cid.Undef, errors.Wrap(err, "could not store bls cids as AMT")
}
ret.BlsRoot = blsRaw
return ms.StoreTxMeta(ctx, ret)
}
// load message from tipset NOTICE skip message with the same nonce
func (ms *MessageStore) LoadTipSetMesssages(ctx context.Context, ts *types.TipSet) ([][]*types.SignedMessage, [][]*types.Message, error) {
var secpMessages [][]*types.SignedMessage
var blsMessages [][]*types.Message
applied := make(map[address.Address]uint64)
vms := cbor.NewCborStore(ms.bs)
st, err := tree.LoadState(ctx, vms, ts.Blocks()[0].ParentStateRoot)
if err != nil {
return nil, nil, errors.Wrapf(err, "failed to load state tree %s", ts.Blocks()[0].ParentStateRoot.String())
}
selectMsg := func(m *types.Message) (bool, error) {
var sender address.Address
if ts.Height() >= ms.fkCfg.UpgradeHyperdriveHeight {
sender, err = st.LookupID(m.From)
if err != nil {
return false, err
}
} else {
sender = m.From
}
// The first match for a sender is guaranteed to have correct nonce -- the block isn't valid otherwise
if _, ok := applied[sender]; !ok {
applied[sender] = m.Nonce
}
if applied[sender] != m.Nonce {
return false, nil
}
applied[sender]++
return true, nil
}
for i := 0; i < ts.Len(); i++ {
blk := ts.At(i)
secpMsgs, blsMsgs, err := ms.LoadMetaMessages(ctx, blk.Messages)
if err != nil {
return nil, nil, errors.Wrapf(err, "syncing tip %s failed loading message list %s for block %s", ts.Key(), blk.Messages, blk.Cid())
}
var blksecpMessages []*types.SignedMessage
var blkblsMessages []*types.Message
for _, msg := range blsMsgs {
b, err := selectMsg(msg)
if err != nil {
return nil, nil, errors.Wrap(err, "failed to decide whether to select message for block")
}
if b {
blkblsMessages = append(blkblsMessages, msg)
}
}
for _, msg := range secpMsgs {
b, err := selectMsg(&msg.Message)
if err != nil {
return nil, nil, errors.Wrap(err, "failed to decide whether to select message for block")
}
if b {
blksecpMessages = append(blksecpMessages, msg)
}
}
blsMessages = append(blsMessages, blkblsMessages)
secpMessages = append(secpMessages, blksecpMessages)
}
return secpMessages, blsMessages, nil
}
// LoadReceipts loads the signed messages in the collection with cid c from ipld
// storage and returns the slice implied by the collection
func (ms *MessageStore) LoadReceipts(ctx context.Context, c cid.Cid) ([]types.MessageReceipt, error) {
as := cbor.NewCborStore(ms.bs)
fmt.Println(c.String())
a, err := adt.AsArray(adt.WrapStore(ctx, as), c)
if err != nil {
return nil, err
}
receipts := make([]types.MessageReceipt, a.Length())
for i := uint64(0); i < a.Length(); i++ {
var rec types.MessageReceipt
if found, err := a.Get(i, &rec); err != nil {
return nil, errors.Wrapf(err, "could not retrieve %d bytes from AMT", i)
} else if !found {
return nil, errors.Errorf("failed to find receipt %d", i)
}
receipts[i] = rec
}
return receipts, nil
}
// StoreReceipts puts the input signed messages to a collection and then writes
// this collection to ipld storage. The cid of the collection is returned.
func (ms *MessageStore) StoreReceipts(ctx context.Context, receipts []types.MessageReceipt) (cid.Cid, error) {
tmp := blockstoreutil.NewTemporary()
rectarr := adt.MakeEmptyArray(adt.WrapStore(ctx, cbor.NewCborStore(tmp)))
for i, receipt := range receipts {
if err := rectarr.Set(uint64(i), &receipt); err != nil {
return cid.Undef, errors.Wrap(err, "failed to build receipts amt")
}
}
root, err := rectarr.Root()
if err != nil {
return cid.Undef, err
}
err = blockstoreutil.CopyParticial(ctx, tmp, ms.bs, root)
if err != nil {
return cid.Undef, err
}
return rectarr.Root()
}
func (ms *MessageStore) loadAMTCids(ctx context.Context, c cid.Cid) ([]cid.Cid, error) {
as := cbor.NewCborStore(ms.bs)
a, err := adt.AsArray(adt.WrapStore(ctx, as), c)
if err != nil {
return []cid.Cid{}, err
}
cids := make([]cid.Cid, a.Length())
for i := uint64(0); i < a.Length(); i++ {
oc := cbg.CborCid(c)
if found, err := a.Get(i, &oc); err != nil {
return nil, errors.Wrapf(err, "could not retrieve %d cid from AMT", i)
} else if !found {
return nil, errors.Errorf("failed to find receipt %d", i)
}
cids[i] = cid.Cid(oc)
}
return cids, nil
}
// LoadTxMeta loads the secproot, blsroot data from the message store
func (ms *MessageStore) LoadTxMeta(ctx context.Context, c cid.Cid) (types.MessageRoot, error) {
metaBlock, err := ms.bs.Get(ctx, c)
if err != nil {
return types.MessageRoot{}, errors.Wrapf(err, "failed to get tx meta %s", c)
}
var meta types.MessageRoot
if err := meta.UnmarshalCBOR(bytes.NewReader(metaBlock.RawData())); err != nil {
return types.MessageRoot{}, errors.Wrapf(err, "could not decode tx meta %s", c)
}
return meta, nil
}
// LoadTipSetMessage message from tipset NOTICE skip message with the same nonce
func (ms *MessageStore) LoadTipSetMessage(ctx context.Context, ts *types.TipSet) ([]types.BlockMessagesInfo, error) {
// gather message
applied := make(map[address.Address]uint64)
vms := cbor.NewCborStore(ms.bs)
st, err := tree.LoadState(ctx, vms, ts.Blocks()[0].ParentStateRoot)
if err != nil {
return nil, errors.Errorf("failed to load state tree")
}
selectMsg := func(m *types.Message) (bool, error) {
var sender address.Address
if ts.Height() >= ms.fkCfg.UpgradeHyperdriveHeight {
sender, err = st.LookupID(m.From)
if err != nil {
return false, err
}
} else {
sender = m.From
}
// The first match for a sender is guaranteed to have correct nonce -- the block isn't valid otherwise
if _, ok := applied[sender]; !ok {
applied[sender] = m.Nonce
}
if applied[sender] != m.Nonce {
return false, nil
}
applied[sender]++
return true, nil
}
var blockMsg []types.BlockMessagesInfo
for i := 0; i < ts.Len(); i++ {
blk := ts.At(i)
secpMsgs, blsMsgs, err := ms.LoadMetaMessages(ctx, blk.Messages) // Corresponding to MessagesForBlock of lotus
if err != nil {
return nil, errors.Wrapf(err, "syncing tip %s failed loading message list %s for block %s", ts.Key(), blk.Messages, blk.Cid())
}
sBlsMsg := make([]types.ChainMsg, 0, len(blsMsgs))
sSecpMsg := make([]types.ChainMsg, 0, len(secpMsgs))
for _, msg := range blsMsgs {
b, err := selectMsg(msg)
if err != nil {
return nil, errors.Wrap(err, "failed to decide whether to select message for block")
}
if b {
sBlsMsg = append(sBlsMsg, msg)
}
}
for _, msg := range secpMsgs {
b, err := selectMsg(&msg.Message)
if err != nil {
return nil, errors.Wrap(err, "failed to decide whether to select message for block")
}
if b {
sSecpMsg = append(sSecpMsg, msg)
}
}
blockMsg = append(blockMsg, types.BlockMessagesInfo{
BlsMessages: sBlsMsg,
SecpkMessages: sSecpMsg,
Block: blk,
})
}
return blockMsg, nil
}
// MessagesForTipset return of message ( bls message + secp message) of tipset
func (ms *MessageStore) MessagesForTipset(ts *types.TipSet) ([]types.ChainMsg, error) {
bmsgs, err := ms.LoadTipSetMessage(context.TODO(), ts)
if err != nil {
return nil, err
}
var out []types.ChainMsg
for _, bm := range bmsgs {
out = append(out, bm.BlsMessages...)
out = append(out, bm.SecpkMessages...)
}
return out, nil
}
// StoreMessage put message(include signed message and unsigned message) to database
func (ms *MessageStore) StoreMessage(message types.ChainMsg) (cid.Cid, error) {
return cbor.NewCborStore(ms.bs).Put(context.TODO(), message)
}
// StoreTxMeta writes the secproot, blsroot block to the message store
func (ms *MessageStore) StoreTxMeta(ctx context.Context, meta types.MessageRoot) (cid.Cid, error) {
return cbor.NewCborStore(ms.bs).Put(ctx, &meta)
}
func MakeBlock(obj cbor2.Marshaler) (blocks.Block, error) {
buf := new(bytes.Buffer)
err := obj.MarshalCBOR(buf)
if err != nil {
return nil, err
}
data := buf.Bytes()
c, err := constants.DefaultCidBuilder.Sum(data)
if err != nil {
return nil, err
}
return blocks.NewBlockWithCid(data, c)
}
// todo move to a more suitable position
func ComputeNextBaseFee(baseFee abi.TokenAmount, gasLimitUsed int64, noOfBlocks int, epoch abi.ChainEpoch, upgrade *config.ForkUpgradeConfig) abi.TokenAmount {
// deta := gasLimitUsed/noOfBlocks - constants.BlockGasTarget
// change := baseFee * deta / BlockGasTarget
// nextBaseFee = baseFee + change
// nextBaseFee = max(nextBaseFee, constants.MinimumBaseFee)
var delta int64
if epoch > upgrade.UpgradeSmokeHeight {
delta = gasLimitUsed / int64(noOfBlocks)
delta -= constants.BlockGasTarget
} else {
delta = constants.PackingEfficiencyDenom * gasLimitUsed / (int64(noOfBlocks) * constants.PackingEfficiencyNum)
delta -= constants.BlockGasTarget
}
// cap change at 12.5% (BaseFeeMaxChangeDenom) by capping delta
if delta > constants.BlockGasTarget {
delta = constants.BlockGasTarget
}
if delta < -constants.BlockGasTarget {
delta = -constants.BlockGasTarget
}
change := big.Mul(baseFee, big.NewInt(delta))
change = big.Div(change, big.NewInt(constants.BlockGasTarget))
change = big.Div(change, big.NewInt(constants.BaseFeeMaxChangeDenom))
nextBaseFee := big.Add(baseFee, change)
if big.Cmp(nextBaseFee, big.NewInt(constants.MinimumBaseFee)) < 0 {
nextBaseFee = big.NewInt(constants.MinimumBaseFee)
}
return nextBaseFee
}
// todo move to a more suitable position
func (ms *MessageStore) ComputeBaseFee(ctx context.Context, ts *types.TipSet, upgrade *config.ForkUpgradeConfig) (abi.TokenAmount, error) {
zero := abi.NewTokenAmount(0)
baseHeight := ts.Height()
if upgrade.UpgradeBreezeHeight >= 0 && baseHeight > upgrade.UpgradeBreezeHeight && baseHeight < upgrade.UpgradeBreezeHeight+upgrade.BreezeGasTampingDuration {
return abi.NewTokenAmount(100), nil
}
// totalLimit is sum of GasLimits of unique messages in a tipset
totalLimit := int64(0)
seen := make(map[cid.Cid]struct{})
for _, b := range ts.Blocks() {
secpMsgs, blsMsgs, err := ms.LoadMetaMessages(ctx, b.Messages)
if err != nil {
return zero, errors.Wrapf(err, "error getting messages for: %s", b.Cid())
}
for _, m := range blsMsgs {
c := m.Cid()
if _, ok := seen[c]; !ok {
totalLimit += m.GasLimit
seen[c] = struct{}{}
}
}
for _, m := range secpMsgs {
c := m.Cid()
if _, ok := seen[c]; !ok {
totalLimit += m.Message.GasLimit
seen[c] = struct{}{}
}
}
}
parentBaseFee := ts.Blocks()[0].ParentBaseFee
return ComputeNextBaseFee(parentBaseFee, totalLimit, len(ts.Blocks()), baseHeight, upgrade), nil
}
func GetReceiptRoot(receipts []types.MessageReceipt) (cid.Cid, error) {
bs := blockstore.NewBlockstore(datastore.NewMapDatastore())
as := cbor.NewCborStore(bs)
rectarr := adt.MakeEmptyArray(adt.WrapStore(context.TODO(), as))
for i, receipt := range receipts {
if err := rectarr.Set(uint64(i), &receipt); err != nil {
return cid.Undef, errors.Wrapf(err, "failed to build receipts amt")
}
}
return rectarr.Root()
}
func GetChainMsgRoot(ctx context.Context, messages []types.ChainMsg) (cid.Cid, error) {
tmpbs := blockstoreutil.NewTemporary()
tmpstore := adt.WrapStore(ctx, cbor.NewCborStore(tmpbs))
arr := adt.MakeEmptyArray(tmpstore)
for i, m := range messages {
b, err := m.ToStorageBlock()
if err != nil {
return cid.Undef, err
}
k := cbg.CborCid(b.Cid())
if err := arr.Set(uint64(i), &k); err != nil {
return cid.Undef, errors.Wrap(err, "failed to put message")
}
}
return arr.Root()
}
// computeMsgMeta computes the root CID of the combined arrays of message CIDs
// of both types (BLS and Secpk).
func ComputeMsgMeta(bs blockstore.Blockstore, bmsgCids, smsgCids []cid.Cid) (cid.Cid, error) {
// block headers use adt0
store := adt.WrapStore(context.TODO(), cbor.NewCborStore(bs))
bmArr := adt.MakeEmptyArray(store)
smArr := adt.MakeEmptyArray(store)
for i, m := range bmsgCids {
c := cbg.CborCid(m)
if err := bmArr.Set(uint64(i), &c); err != nil {
return cid.Undef, err
}
}
for i, m := range smsgCids {
c := cbg.CborCid(m)
if err := smArr.Set(uint64(i), &c); err != nil {
return cid.Undef, err
}
}
bmroot, err := bmArr.Root()
if err != nil {
return cid.Undef, err
}
smroot, err := smArr.Root()
if err != nil {
return cid.Undef, err
}
mrcid, err := store.Put(store.Context(), &types.MessageRoot{
BlsRoot: bmroot,
SecpkRoot: smroot,
})
if err != nil {
return cid.Undef, errors.Wrap(err, "failed to put msgmeta")
}
return mrcid, nil
}