lotus/chain/actors/builtin/market/market.go
2020-09-17 21:48:50 -07:00

122 lines
3.0 KiB
Go

package market
import (
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/cbor"
v0builtin "github.com/filecoin-project/specs-actors/actors/builtin"
"github.com/ipfs/go-cid"
cbg "github.com/whyrusleeping/cbor-gen"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/lotus/chain/types"
)
var Address = v0builtin.StorageMarketActorAddr
func Load(store adt.Store, act *types.Actor) (st State, err error) {
switch act.Code {
case v0builtin.StorageMarketActorCodeID:
out := v0State{store: store}
err := store.Get(store.Context(), act.Head, &out)
if err != nil {
return nil, err
}
return &out, nil
}
return nil, xerrors.Errorf("unknown actor code %s", act.Code)
}
type State interface {
cbor.Marshaler
BalancesChanged(State) bool
EscrowTable() (BalanceTable, error)
LockedTable() (BalanceTable, error)
TotalLocked() (abi.TokenAmount, error)
StatesChanged(State) bool
States() (DealStates, error)
ProposalsChanged(State) bool
Proposals() (DealProposals, error)
VerifyDealsForActivation(
minerAddr address.Address, deals []abi.DealID, currEpoch, sectorExpiry abi.ChainEpoch,
) (weight, verifiedWeight abi.DealWeight, err error)
}
type BalanceTable interface {
ForEach(cb func(address.Address, abi.TokenAmount) error) error
Get(key address.Address) (abi.TokenAmount, error)
}
type DealStates interface {
Get(id abi.DealID) (*DealState, bool, error)
array() adt.Array
decode(*cbg.Deferred) (*DealState, error)
}
type DealProposals interface {
ForEach(cb func(id abi.DealID, dp DealProposal) error) error
Get(id abi.DealID) (*DealProposal, bool, error)
array() adt.Array
decode(*cbg.Deferred) (*DealProposal, error)
}
type DealState struct {
SectorStartEpoch abi.ChainEpoch // -1 if not yet included in proven sector
LastUpdatedEpoch abi.ChainEpoch // -1 if deal state never updated
SlashEpoch abi.ChainEpoch // -1 if deal never slashed
}
type DealProposal struct {
PieceCID cid.Cid
PieceSize abi.PaddedPieceSize
VerifiedDeal bool
Client address.Address
Provider address.Address
Label string
StartEpoch abi.ChainEpoch
EndEpoch abi.ChainEpoch
StoragePricePerEpoch abi.TokenAmount
ProviderCollateral abi.TokenAmount
ClientCollateral abi.TokenAmount
}
type DealStateChanges struct {
Added []DealIDState
Modified []DealStateChange
Removed []DealIDState
}
type DealIDState struct {
ID abi.DealID
Deal DealState
}
// DealStateChange is a change in deal state from -> to
type DealStateChange struct {
ID abi.DealID
From *DealState
To *DealState
}
type DealProposalChanges struct {
Added []ProposalIDState
Removed []ProposalIDState
}
type ProposalIDState struct {
ID abi.DealID
Proposal DealProposal
}
func EmptyDealState() *DealState {
return &DealState{
SectorStartEpoch: -1,
SlashEpoch: -1,
LastUpdatedEpoch: -1,
}
}