126 lines
3.7 KiB
Go
126 lines
3.7 KiB
Go
package lpseal
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import (
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"context"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-bitfield"
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rlepluslazy "github.com/filecoin-project/go-bitfield/rle"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/lib/harmony/harmonydb"
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)
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type AllocAPI interface {
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StateMinerAllocated(context.Context, address.Address, types.TipSetKey) (*bitfield.BitField, error)
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}
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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) {
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chainAlloc, err := a.StateMinerAllocated(ctx, maddr, types.EmptyTSK)
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if err != nil {
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return nil, xerrors.Errorf("getting on-chain allocated sector numbers: %w", err)
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}
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mid, err := address.IDFromAddress(maddr)
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if err != nil {
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return nil, xerrors.Errorf("getting miner id: %w", err)
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}
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var res []abi.SectorNumber
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comm, err := db.BeginTransaction(ctx, func(tx *harmonydb.Tx) (commit bool, err error) {
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// query from db, if exists unmarsal to bitfield
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var dbAllocated bitfield.BitField
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var rawJson []byte
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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)
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if err != nil {
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return false, xerrors.Errorf("querying allocated sector numbers: %w", err)
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}
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if rawJson != nil {
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err = dbAllocated.UnmarshalJSON(rawJson)
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if err != nil {
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return false, xerrors.Errorf("unmarshaling allocated sector numbers: %w", err)
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}
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}
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if err := dbAllocated.UnmarshalJSON(rawJson); err != nil {
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return false, xerrors.Errorf("unmarshaling allocated sector numbers: %w", err)
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}
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merged, err := bitfield.MergeBitFields(*chainAlloc, dbAllocated)
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if err != nil {
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return false, xerrors.Errorf("merging allocated sector numbers: %w", err)
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}
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allAssignable, err := bitfield.NewFromIter(&rlepluslazy.RunSliceIterator{Runs: []rlepluslazy.Run{
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{
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Val: true,
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Len: abi.MaxSectorNumber,
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},
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}})
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if err != nil {
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return false, xerrors.Errorf("creating assignable sector numbers: %w", err)
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}
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inverted, err := bitfield.SubtractBitField(allAssignable, merged)
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if err != nil {
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return false, xerrors.Errorf("subtracting allocated sector numbers: %w", err)
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}
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toAlloc, err := inverted.Slice(0, uint64(count))
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if err != nil {
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return false, xerrors.Errorf("getting slice of allocated sector numbers: %w", err)
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}
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err = toAlloc.ForEach(func(u uint64) error {
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res = append(res, abi.SectorNumber(u))
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return nil
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})
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if err != nil {
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return false, xerrors.Errorf("iterating allocated sector numbers: %w", err)
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}
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toPersist, err := bitfield.MergeBitFields(merged, toAlloc)
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if err != nil {
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return false, xerrors.Errorf("merging allocated sector numbers: %w", err)
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}
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rawJson, err = toPersist.MarshalJSON()
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if err != nil {
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return false, xerrors.Errorf("marshaling allocated sector numbers: %w", err)
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}
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_, 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)
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if err != nil {
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return false, xerrors.Errorf("persisting allocated sector numbers: %w", err)
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}
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for i, f := range txcb {
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commit, err = f(tx, res)
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if err != nil {
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return false, xerrors.Errorf("executing tx callback %d: %w", i, err)
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}
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if !commit {
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return false, nil
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}
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}
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return true, nil
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})
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if err != nil {
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return nil, xerrors.Errorf("allocating sector numbers: %w", err)
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}
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if !comm {
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return nil, xerrors.Errorf("allocating sector numbers: commit failed")
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}
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return res, nil
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}
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