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sector.go
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sector.go
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package abi
import (
"fmt"
"math"
"strconv"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-state-types/big"
)
// SectorNumber is a numeric identifier for a sector. It is usually relative to a miner.
type SectorNumber uint64
func (s SectorNumber) String() string {
return strconv.FormatUint(uint64(s), 10)
}
// The maximum assignable sector number.
// Raising this would require modifying our AMT implementation.
const MaxSectorNumber = math.MaxInt64
// SectorSize indicates one of a set of possible sizes in the network.
// Ideally, SectorSize would be an enum
// type SectorSize enum {
// 1KiB = 1024
// 1MiB = 1048576
// 1GiB = 1073741824
// 1TiB = 1099511627776
// 1PiB = 1125899906842624
// 1EiB = 1152921504606846976
// max = 18446744073709551615
// }
type SectorSize uint64
// Formats the size as a decimal string.
func (s SectorSize) String() string {
return strconv.FormatUint(uint64(s), 10)
}
// Abbreviates the size as a human-scale number.
// This approximates (truncates) the size unless it is a power of 1024.
func (s SectorSize) ShortString() string {
var biUnits = []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"}
unit := 0
for s >= 1024 && unit < len(biUnits)-1 {
s /= 1024
unit++
}
return fmt.Sprintf("%d%s", s, biUnits[unit])
}
type SectorID struct {
Miner ActorID
Number SectorNumber
}
// The unit of storage power (measured in bytes)
type StoragePower = big.Int
type SectorQuality = big.Int
func NewStoragePower(n int64) StoragePower {
return big.NewInt(n)
}
// These enumerations must match the proofs library and never change.
type RegisteredSealProof int64
const (
RegisteredSealProof_StackedDrg2KiBV1 = RegisteredSealProof(0)
RegisteredSealProof_StackedDrg8MiBV1 = RegisteredSealProof(1)
RegisteredSealProof_StackedDrg512MiBV1 = RegisteredSealProof(2)
RegisteredSealProof_StackedDrg32GiBV1 = RegisteredSealProof(3)
RegisteredSealProof_StackedDrg64GiBV1 = RegisteredSealProof(4)
RegisteredSealProof_StackedDrg2KiBV1_1 = RegisteredSealProof(5)
RegisteredSealProof_StackedDrg8MiBV1_1 = RegisteredSealProof(6)
RegisteredSealProof_StackedDrg512MiBV1_1 = RegisteredSealProof(7)
RegisteredSealProof_StackedDrg32GiBV1_1 = RegisteredSealProof(8)
RegisteredSealProof_StackedDrg64GiBV1_1 = RegisteredSealProof(9)
)
type RegisteredPoStProof int64
const (
RegisteredPoStProof_StackedDrgWinning2KiBV1 = RegisteredPoStProof(0)
RegisteredPoStProof_StackedDrgWinning8MiBV1 = RegisteredPoStProof(1)
RegisteredPoStProof_StackedDrgWinning512MiBV1 = RegisteredPoStProof(2)
RegisteredPoStProof_StackedDrgWinning32GiBV1 = RegisteredPoStProof(3)
RegisteredPoStProof_StackedDrgWinning64GiBV1 = RegisteredPoStProof(4)
RegisteredPoStProof_StackedDrgWindow2KiBV1 = RegisteredPoStProof(5)
RegisteredPoStProof_StackedDrgWindow8MiBV1 = RegisteredPoStProof(6)
RegisteredPoStProof_StackedDrgWindow512MiBV1 = RegisteredPoStProof(7)
RegisteredPoStProof_StackedDrgWindow32GiBV1 = RegisteredPoStProof(8)
RegisteredPoStProof_StackedDrgWindow64GiBV1 = RegisteredPoStProof(9)
)
// Metadata about a seal proof type.
type SealProofInfo struct {
// The proof sizes are 192 * the number of "porep" partitions.
// https://github.com/filecoin-project/rust-fil-proofs/blob/64390b6fcedb04dd1fdbe43c82b1e91c1439cea2/filecoin-proofs/src/constants.rs#L68-L80
ProofSize uint64
SectorSize SectorSize
WinningPoStProof RegisteredPoStProof
WindowPoStProof RegisteredPoStProof
}
const (
ss2KiB = 2 << 10
ss8MiB = 8 << 20
ss512MiB = 512 << 20
ss32GiB = 32 << 30
ss64GiB = 64 << 30
)
var SealProofInfos = map[RegisteredSealProof]*SealProofInfo{
RegisteredSealProof_StackedDrg2KiBV1: {
ProofSize: 192,
SectorSize: ss2KiB,
WinningPoStProof: RegisteredPoStProof_StackedDrgWinning2KiBV1,
WindowPoStProof: RegisteredPoStProof_StackedDrgWindow2KiBV1,
},
RegisteredSealProof_StackedDrg8MiBV1: {
ProofSize: 192,
SectorSize: ss8MiB,
WinningPoStProof: RegisteredPoStProof_StackedDrgWinning8MiBV1,
WindowPoStProof: RegisteredPoStProof_StackedDrgWindow8MiBV1,
},
RegisteredSealProof_StackedDrg512MiBV1: {
ProofSize: 192,
SectorSize: ss512MiB,
WinningPoStProof: RegisteredPoStProof_StackedDrgWinning512MiBV1,
WindowPoStProof: RegisteredPoStProof_StackedDrgWindow512MiBV1,
},
RegisteredSealProof_StackedDrg32GiBV1: {
ProofSize: 1920,
SectorSize: ss32GiB,
WinningPoStProof: RegisteredPoStProof_StackedDrgWinning32GiBV1,
WindowPoStProof: RegisteredPoStProof_StackedDrgWindow32GiBV1,
},
RegisteredSealProof_StackedDrg64GiBV1: {
ProofSize: 1920,
SectorSize: ss64GiB,
WinningPoStProof: RegisteredPoStProof_StackedDrgWinning64GiBV1,
WindowPoStProof: RegisteredPoStProof_StackedDrgWindow64GiBV1,
},
RegisteredSealProof_StackedDrg2KiBV1_1: {
ProofSize: 192,
SectorSize: ss2KiB,
WinningPoStProof: RegisteredPoStProof_StackedDrgWinning2KiBV1,
WindowPoStProof: RegisteredPoStProof_StackedDrgWindow2KiBV1,
},
RegisteredSealProof_StackedDrg8MiBV1_1: {
ProofSize: 192,
SectorSize: ss8MiB,
WinningPoStProof: RegisteredPoStProof_StackedDrgWinning8MiBV1,
WindowPoStProof: RegisteredPoStProof_StackedDrgWindow8MiBV1,
},
RegisteredSealProof_StackedDrg512MiBV1_1: {
ProofSize: 192,
SectorSize: ss512MiB,
WinningPoStProof: RegisteredPoStProof_StackedDrgWinning512MiBV1,
WindowPoStProof: RegisteredPoStProof_StackedDrgWindow512MiBV1,
},
RegisteredSealProof_StackedDrg32GiBV1_1: {
ProofSize: 1920,
SectorSize: ss32GiB,
WinningPoStProof: RegisteredPoStProof_StackedDrgWinning32GiBV1,
WindowPoStProof: RegisteredPoStProof_StackedDrgWindow32GiBV1,
},
RegisteredSealProof_StackedDrg64GiBV1_1: {
ProofSize: 1920,
SectorSize: ss64GiB,
WinningPoStProof: RegisteredPoStProof_StackedDrgWinning64GiBV1,
WindowPoStProof: RegisteredPoStProof_StackedDrgWindow64GiBV1,
},
}
// ProofSize returns the size of seal proofs for the given sector type.
func (p RegisteredSealProof) ProofSize() (uint64, error) {
info, ok := SealProofInfos[p]
if !ok {
return 0, xerrors.Errorf("unsupported proof type: %v", p)
}
return info.ProofSize, nil
}
func (p RegisteredSealProof) SectorSize() (SectorSize, error) {
info, ok := SealProofInfos[p]
if !ok {
return 0, xerrors.Errorf("unsupported proof type: %v", p)
}
return info.SectorSize, nil
}
// RegisteredWinningPoStProof produces the PoSt-specific RegisteredProof corresponding
// to the receiving RegisteredProof.
func (p RegisteredSealProof) RegisteredWinningPoStProof() (RegisteredPoStProof, error) {
info, ok := SealProofInfos[p]
if !ok {
return 0, xerrors.Errorf("unsupported proof type: %v", p)
}
return info.WinningPoStProof, nil
}
// RegisteredWindowPoStProof produces the PoSt-specific RegisteredProof corresponding
// to the receiving RegisteredProof.
func (p RegisteredSealProof) RegisteredWindowPoStProof() (RegisteredPoStProof, error) {
info, ok := SealProofInfos[p]
if !ok {
return 0, xerrors.Errorf("unsupported proof type: %v", p)
}
return info.WindowPoStProof, nil
}
// Metadata about a PoSt proof type.
type PoStProofInfo struct {
SectorSize SectorSize
// Size of a single proof.
ProofSize uint64
}
var PoStProofInfos = map[RegisteredPoStProof]*PoStProofInfo{
RegisteredPoStProof_StackedDrgWinning2KiBV1: {
SectorSize: ss2KiB,
ProofSize: 192,
},
RegisteredPoStProof_StackedDrgWinning8MiBV1: {
SectorSize: ss8MiB,
ProofSize: 192,
},
RegisteredPoStProof_StackedDrgWinning512MiBV1: {
SectorSize: ss512MiB,
ProofSize: 192,
},
RegisteredPoStProof_StackedDrgWinning32GiBV1: {
SectorSize: ss32GiB,
ProofSize: 192,
},
RegisteredPoStProof_StackedDrgWinning64GiBV1: {
SectorSize: ss64GiB,
ProofSize: 192,
},
RegisteredPoStProof_StackedDrgWindow2KiBV1: {
SectorSize: ss2KiB,
ProofSize: 192,
},
RegisteredPoStProof_StackedDrgWindow8MiBV1: {
SectorSize: ss8MiB,
ProofSize: 192,
},
RegisteredPoStProof_StackedDrgWindow512MiBV1: {
SectorSize: ss512MiB,
ProofSize: 192,
},
RegisteredPoStProof_StackedDrgWindow32GiBV1: {
SectorSize: ss32GiB,
ProofSize: 192,
},
RegisteredPoStProof_StackedDrgWindow64GiBV1: {
SectorSize: ss64GiB,
ProofSize: 192,
},
}
func (p RegisteredPoStProof) SectorSize() (SectorSize, error) {
info, ok := PoStProofInfos[p]
if !ok {
return 0, xerrors.Errorf("unsupported proof type: %v", p)
}
return info.SectorSize, nil
}
// ProofSize returns the size of window post proofs for the given sector type.
func (p RegisteredPoStProof) ProofSize() (uint64, error) {
info, ok := PoStProofInfos[p]
if !ok {
return 0, xerrors.Errorf("unsupported proof type: %v", p)
}
return info.ProofSize, nil
}
type SealRandomness Randomness
type InteractiveSealRandomness Randomness
type PoStRandomness Randomness