141 lines
3.5 KiB
Plaintext
141 lines
3.5 KiB
Plaintext
package paych
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import (
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"fmt"
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actorstypes "github.com/filecoin-project/go-state-types/actors"
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"github.com/ipfs/go-cid"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/big"
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"github.com/filecoin-project/lotus/chain/actors/adt"
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"github.com/filecoin-project/lotus/chain/actors"
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"github.com/filecoin-project/go-state-types/manifest"
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{{if (le .v 7)}}
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paych{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/builtin/paych"
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adt{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/util/adt"
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{{else}}
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paych{{.v}} "github.com/filecoin-project/go-state-types/builtin{{.import}}paych"
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adt{{.v}} "github.com/filecoin-project/go-state-types/builtin{{.import}}util/adt"
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{{end}}
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)
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var _ State = (*state{{.v}})(nil)
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func load{{.v}}(store adt.Store, root cid.Cid) (State, error) {
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out := state{{.v}}{store: store}
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err := store.Get(store.Context(), root, &out)
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if err != nil {
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return nil, err
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}
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return &out, nil
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}
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func make{{.v}}(store adt.Store) (State, error) {
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out := state{{.v}}{store: store}
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out.State = paych{{.v}}.State{}
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return &out, nil
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}
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type state{{.v}} struct {
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paych{{.v}}.State
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store adt.Store
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lsAmt *adt{{.v}}.Array
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}
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// Channel owner, who has funded the actor
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func (s *state{{.v}}) From() (address.Address, error) {
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return s.State.From, nil
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}
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// Recipient of payouts from channel
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func (s *state{{.v}}) To() (address.Address, error) {
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return s.State.To, nil
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}
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// Height at which the channel can be `Collected`
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func (s *state{{.v}}) SettlingAt() (abi.ChainEpoch, error) {
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return s.State.SettlingAt, nil
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}
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// Amount successfully redeemed through the payment channel, paid out on `Collect()`
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func (s *state{{.v}}) ToSend() (abi.TokenAmount, error) {
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return s.State.ToSend, nil
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}
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func (s *state{{.v}}) getOrLoadLsAmt() (*adt{{.v}}.Array, error) {
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if s.lsAmt != nil {
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return s.lsAmt, nil
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}
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// Get the lane state from the chain
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lsamt, err := adt{{.v}}.AsArray(s.store, s.State.LaneStates{{if (ge .v 3)}}, paych{{.v}}.LaneStatesAmtBitwidth{{end}})
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if err != nil {
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return nil, err
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}
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s.lsAmt = lsamt
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return lsamt, nil
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}
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// Get total number of lanes
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func (s *state{{.v}}) LaneCount() (uint64, error) {
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lsamt, err := s.getOrLoadLsAmt()
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if err != nil {
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return 0, err
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}
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return lsamt.Length(), nil
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}
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func (s *state{{.v}}) GetState() interface{} {
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return &s.State
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}
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// Iterate lane states
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func (s *state{{.v}}) ForEachLaneState(cb func(idx uint64, dl LaneState) error) error {
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// Get the lane state from the chain
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lsamt, err := s.getOrLoadLsAmt()
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if err != nil {
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return err
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}
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// Note: we use a map instead of an array to store laneStates because the
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// client sets the lane ID (the index) and potentially they could use a
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// very large index.
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var ls paych{{.v}}.LaneState
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return lsamt.ForEach(&ls, func(i int64) error {
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return cb(uint64(i), &laneState{{.v}}{ls})
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})
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}
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type laneState{{.v}} struct {
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paych{{.v}}.LaneState
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}
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func (ls *laneState{{.v}}) Redeemed() (big.Int, error) {
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return ls.LaneState.Redeemed, nil
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}
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func (ls *laneState{{.v}}) Nonce() (uint64, error) {
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return ls.LaneState.Nonce, nil
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}
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func (s *state{{.v}}) ActorKey() string {
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return manifest.PaychKey
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}
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func (s *state{{.v}}) ActorVersion() actorstypes.Version {
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return actorstypes.Version{{.v}}
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}
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func (s *state{{.v}}) Code() cid.Cid {
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code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
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if !ok {
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panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
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}
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return code
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}
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