lotus/provider/lpseal/task_trees.go
2024-02-21 13:28:49 +01:00

257 lines
6.8 KiB
Go

package lpseal
import (
"context"
"io"
"net/http"
"github.com/ipfs/go-cid"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-commp-utils/nonffi"
"github.com/filecoin-project/go-commp-utils/zerocomm"
"github.com/filecoin-project/go-padreader"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/lotus/lib/harmony/harmonydb"
"github.com/filecoin-project/lotus/lib/harmony/harmonytask"
"github.com/filecoin-project/lotus/lib/harmony/resources"
"github.com/filecoin-project/lotus/provider/lpffi"
"github.com/filecoin-project/lotus/storage/pipeline/lib/nullreader"
"github.com/filecoin-project/lotus/storage/sealer/storiface"
)
type TreesTask struct {
sp *SealPoller
db *harmonydb.DB
sc *lpffi.SealCalls
max int
}
func NewTreesTask(sp *SealPoller, db *harmonydb.DB, sc *lpffi.SealCalls, maxTrees int) *TreesTask {
return &TreesTask{
sp: sp,
db: db,
sc: sc,
max: maxTrees,
}
}
func (t *TreesTask) Do(taskID harmonytask.TaskID, stillOwned func() bool) (done bool, err error) {
ctx := context.Background()
var sectorParamsArr []struct {
SpID int64 `db:"sp_id"`
SectorNumber int64 `db:"sector_number"`
RegSealProof abi.RegisteredSealProof `db:"reg_seal_proof"`
}
err = t.db.Select(ctx, &sectorParamsArr, `
SELECT sp_id, sector_number, reg_seal_proof
FROM sectors_sdr_pipeline
WHERE task_id_tree_r = $1 and task_id_tree_c = $1 and task_id_tree_d = $1`, taskID)
if err != nil {
return false, xerrors.Errorf("getting sector params: %w", err)
}
if len(sectorParamsArr) != 1 {
return false, xerrors.Errorf("expected 1 sector params, got %d", len(sectorParamsArr))
}
sectorParams := sectorParamsArr[0]
var pieces []struct {
PieceIndex int64 `db:"piece_index"`
PieceCID string `db:"piece_cid"`
PieceSize int64 `db:"piece_size"`
DataUrl *string `db:"data_url"`
DataHeaders *[]byte `db:"data_headers"`
DataRawSize *int64 `db:"data_raw_size"`
}
err = t.db.Select(ctx, &pieces, `
SELECT piece_index, piece_cid, piece_size, data_url, data_headers, data_raw_size
FROM sectors_sdr_initial_pieces
WHERE sp_id = $1 AND sector_number = $2 ORDER BY piece_index asc`, sectorParams.SpID, sectorParams.SectorNumber)
if err != nil {
return false, xerrors.Errorf("getting pieces: %w", err)
}
ssize, err := sectorParams.RegSealProof.SectorSize()
if err != nil {
return false, xerrors.Errorf("getting sector size: %w", err)
}
var commd cid.Cid
var dataReader io.Reader
var unpaddedData bool
if len(pieces) > 0 {
pieceInfos := make([]abi.PieceInfo, len(pieces))
pieceReaders := make([]io.Reader, len(pieces))
for i, p := range pieces {
// make pieceInfo
c, err := cid.Parse(p.PieceCID)
if err != nil {
return false, xerrors.Errorf("parsing piece cid: %w", err)
}
pieceInfos[i] = abi.PieceInfo{
Size: abi.PaddedPieceSize(p.PieceSize),
PieceCID: c,
}
// make pieceReader
if p.DataUrl != nil {
pieceReaders[i], _ = padreader.New(&UrlPieceReader{
Url: *p.DataUrl,
RawSize: *p.DataRawSize,
}, uint64(*p.DataRawSize))
} else { // padding piece (w/o fr32 padding, added in TreeD)
pieceReaders[i] = nullreader.NewNullReader(abi.PaddedPieceSize(p.PieceSize).Unpadded())
}
}
commd, err = nonffi.GenerateUnsealedCID(sectorParams.RegSealProof, pieceInfos)
if err != nil {
return false, xerrors.Errorf("computing CommD: %w", err)
}
dataReader = io.MultiReader(pieceReaders...)
unpaddedData = true
} else {
commd = zerocomm.ZeroPieceCommitment(abi.PaddedPieceSize(ssize).Unpadded())
dataReader = nullreader.NewNullReader(abi.UnpaddedPieceSize(ssize))
unpaddedData = false // nullreader includes fr32 zero bits
}
sref := storiface.SectorRef{
ID: abi.SectorID{
Miner: abi.ActorID(sectorParams.SpID),
Number: abi.SectorNumber(sectorParams.SectorNumber),
},
ProofType: sectorParams.RegSealProof,
}
// D
treeUnsealed, err := t.sc.TreeD(ctx, sref, abi.PaddedPieceSize(ssize), dataReader, unpaddedData)
if err != nil {
return false, xerrors.Errorf("computing tree d: %w", err)
}
// R / C
sealed, unsealed, err := t.sc.TreeRC(ctx, sref, commd)
if err != nil {
return false, xerrors.Errorf("computing tree r and c: %w", err)
}
if unsealed != treeUnsealed {
return false, xerrors.Errorf("tree-d and tree-r/c unsealed CIDs disagree")
}
// todo synth porep
// todo porep challenge check
n, err := t.db.Exec(ctx, `UPDATE sectors_sdr_pipeline
SET after_tree_r = true, after_tree_c = true, after_tree_d = true, tree_r_cid = $3, tree_d_cid = $4
WHERE sp_id = $1 AND sector_number = $2`,
sectorParams.SpID, sectorParams.SectorNumber, sealed, unsealed)
if err != nil {
return false, xerrors.Errorf("store sdr-trees success: updating pipeline: %w", err)
}
if n != 1 {
return false, xerrors.Errorf("store sdr-trees success: updated %d rows", n)
}
return true, nil
}
func (t *TreesTask) CanAccept(ids []harmonytask.TaskID, engine *harmonytask.TaskEngine) (*harmonytask.TaskID, error) {
// todo reserve storage
id := ids[0]
return &id, nil
}
func (t *TreesTask) TypeDetails() harmonytask.TaskTypeDetails {
return harmonytask.TaskTypeDetails{
Max: t.max,
Name: "SDRTrees",
Cost: resources.Resources{
Cpu: 1,
Gpu: 1,
Ram: 8000 << 20, // todo
},
MaxFailures: 3,
Follows: nil,
}
}
func (t *TreesTask) Adder(taskFunc harmonytask.AddTaskFunc) {
t.sp.pollers[pollerTrees].Set(taskFunc)
}
type UrlPieceReader struct {
Url string
RawSize int64 // the exact number of bytes read, if we read more or less that's an error
readSoFar int64
active io.ReadCloser // auto-closed on EOF
}
func (u *UrlPieceReader) Read(p []byte) (n int, err error) {
// Check if we have already read the required amount of data
if u.readSoFar >= u.RawSize {
return 0, io.EOF
}
// If 'active' is nil, initiate the HTTP request
if u.active == nil {
resp, err := http.Get(u.Url)
if err != nil {
return 0, err
}
// Set 'active' to the response body
u.active = resp.Body
}
// Calculate the maximum number of bytes we can read without exceeding RawSize
toRead := u.RawSize - u.readSoFar
if int64(len(p)) > toRead {
p = p[:toRead]
}
n, err = u.active.Read(p)
// Update the number of bytes read so far
u.readSoFar += int64(n)
// If the number of bytes read exceeds RawSize, return an error
if u.readSoFar > u.RawSize {
return n, xerrors.New("read beyond the specified RawSize")
}
// If EOF is reached, close the reader
if err == io.EOF {
cerr := u.active.Close()
if cerr != nil {
log.Errorf("error closing http piece reader: %s", cerr)
}
// if we're below the RawSize, return an unexpected EOF error
if u.readSoFar < u.RawSize {
log.Errorw("unexpected EOF", "readSoFar", u.readSoFar, "rawSize", u.RawSize, "url", u.Url)
return n, io.ErrUnexpectedEOF
}
}
return n, err
}
var _ harmonytask.TaskInterface = &TreesTask{}