lotus/provider/lpseal/sector_num_alloc.go
2024-02-16 21:20:13 +01:00

120 lines
3.6 KiB
Go

package lpseal
import (
"context"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-bitfield"
rlepluslazy "github.com/filecoin-project/go-bitfield/rle"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/lib/harmony/harmonydb"
"golang.org/x/xerrors"
)
type AllocAPI interface {
StateMinerAllocated(context.Context, address.Address, types.TipSetKey) (*bitfield.BitField, error)
}
func AllocateSectorNumbers(ctx context.Context, a AllocAPI, db *harmonydb.DB, maddr address.Address, count int, txcb ...func(*harmonydb.Tx, []abi.SectorNumber) (bool, error)) ([]abi.SectorNumber, error) {
chainAlloc, err := a.StateMinerAllocated(ctx, maddr, types.EmptyTSK)
if err != nil {
return nil, xerrors.Errorf("getting on-chain allocated sector numbers: %w", err)
}
mid, err := address.IDFromAddress(maddr)
if err != nil {
return nil, xerrors.Errorf("getting miner id: %w", err)
}
var res []abi.SectorNumber
comm, err := db.BeginTransaction(ctx, func(tx *harmonydb.Tx) (commit bool, err error) {
// query from db, if exists unmarsal to bitfield
var dbAllocated bitfield.BitField
var rawJson []byte
err = tx.QueryRow("select COALESCE(allocated, '[0]') from sectors_allocated_numbers sa FULL OUTER JOIN (SELECT 1) AS d ON true where sp_id = $1 or sp_id is null", mid).Scan(&rawJson)
if err != nil {
return false, xerrors.Errorf("querying allocated sector numbers: %w", err)
}
if rawJson != nil {
err = dbAllocated.UnmarshalJSON(rawJson)
if err != nil {
return false, xerrors.Errorf("unmarshaling allocated sector numbers: %w", err)
}
}
if err := dbAllocated.UnmarshalJSON(rawJson); err != nil {
return false, xerrors.Errorf("unmarshaling allocated sector numbers: %w", err)
}
merged, err := bitfield.MergeBitFields(*chainAlloc, dbAllocated)
if err != nil {
return false, xerrors.Errorf("merging allocated sector numbers: %w", err)
}
allAssignable, err := bitfield.NewFromIter(&rlepluslazy.RunSliceIterator{Runs: []rlepluslazy.Run{
{
Val: true,
Len: abi.MaxSectorNumber,
},
}})
inverted, err := bitfield.SubtractBitField(allAssignable, merged)
if err != nil {
return false, xerrors.Errorf("subtracting allocated sector numbers: %w", err)
}
toAlloc, err := inverted.Slice(0, uint64(count))
if err != nil {
return false, xerrors.Errorf("getting slice of allocated sector numbers: %w", err)
}
err = toAlloc.ForEach(func(u uint64) error {
res = append(res, abi.SectorNumber(u))
return nil
})
if err != nil {
return false, xerrors.Errorf("iterating allocated sector numbers: %w", err)
}
toPersist, err := bitfield.MergeBitFields(merged, toAlloc)
if err != nil {
return false, xerrors.Errorf("merging allocated sector numbers: %w", err)
}
rawJson, err = toPersist.MarshalJSON()
if err != nil {
return false, xerrors.Errorf("marshaling allocated sector numbers: %w", err)
}
_, err = tx.Exec("insert into sectors_allocated_numbers(sp_id, allocated) values($1, $2) on conflict(sp_id) do update set allocated = $2", mid, rawJson)
if err != nil {
return false, xerrors.Errorf("persisting allocated sector numbers: %w", err)
}
for i, f := range txcb {
commit, err = f(tx, res)
if err != nil {
return false, xerrors.Errorf("executing tx callback %d: %w", i, err)
}
if !commit {
return false, nil
}
}
return true, nil
})
if err != nil {
return nil, xerrors.Errorf("allocating sector numbers: %w", err)
}
if !comm {
return nil, xerrors.Errorf("allocating sector numbers: commit failed")
}
return res, nil
}