lotus/chain/actors/builtin/paych/v7.go
frrist e61b9b2a65 refactor: add inspection methods to actor gen interface
- adds the following methods to all generated actor interfaces:
  - Code() cid.Cid
  - ActorKey() string
  - ActorVersion() actorstypes.Version
  - AllCodes() []cid.Cid
2022-11-16 17:22:18 -08:00

135 lines
3.1 KiB
Go

package paych
import (
"fmt"
"github.com/ipfs/go-cid"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
actorstypes "github.com/filecoin-project/go-state-types/actors"
"github.com/filecoin-project/go-state-types/big"
paych7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/paych"
adt7 "github.com/filecoin-project/specs-actors/v7/actors/util/adt"
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/actors/adt"
)
var _ State = (*state7)(nil)
func load7(store adt.Store, root cid.Cid) (State, error) {
out := state7{store: store}
err := store.Get(store.Context(), root, &out)
if err != nil {
return nil, err
}
return &out, nil
}
func make7(store adt.Store) (State, error) {
out := state7{store: store}
out.State = paych7.State{}
return &out, nil
}
type state7 struct {
paych7.State
store adt.Store
lsAmt *adt7.Array
}
// Channel owner, who has funded the actor
func (s *state7) From() (address.Address, error) {
return s.State.From, nil
}
// Recipient of payouts from channel
func (s *state7) To() (address.Address, error) {
return s.State.To, nil
}
// Height at which the channel can be `Collected`
func (s *state7) SettlingAt() (abi.ChainEpoch, error) {
return s.State.SettlingAt, nil
}
// Amount successfully redeemed through the payment channel, paid out on `Collect()`
func (s *state7) ToSend() (abi.TokenAmount, error) {
return s.State.ToSend, nil
}
func (s *state7) getOrLoadLsAmt() (*adt7.Array, error) {
if s.lsAmt != nil {
return s.lsAmt, nil
}
// Get the lane state from the chain
lsamt, err := adt7.AsArray(s.store, s.State.LaneStates, paych7.LaneStatesAmtBitwidth)
if err != nil {
return nil, err
}
s.lsAmt = lsamt
return lsamt, nil
}
// Get total number of lanes
func (s *state7) LaneCount() (uint64, error) {
lsamt, err := s.getOrLoadLsAmt()
if err != nil {
return 0, err
}
return lsamt.Length(), nil
}
func (s *state7) GetState() interface{} {
return &s.State
}
// Iterate lane states
func (s *state7) ForEachLaneState(cb func(idx uint64, dl LaneState) error) error {
// Get the lane state from the chain
lsamt, err := s.getOrLoadLsAmt()
if err != nil {
return err
}
// Note: we use a map instead of an array to store laneStates because the
// client sets the lane ID (the index) and potentially they could use a
// very large index.
var ls paych7.LaneState
return lsamt.ForEach(&ls, func(i int64) error {
return cb(uint64(i), &laneState7{ls})
})
}
type laneState7 struct {
paych7.LaneState
}
func (ls *laneState7) Redeemed() (big.Int, error) {
return ls.LaneState.Redeemed, nil
}
func (ls *laneState7) Nonce() (uint64, error) {
return ls.LaneState.Nonce, nil
}
func (s *state7) ActorKey() string {
return actors.PaychKey
}
func (s *state7) ActorVersion() actorstypes.Version {
return actorstypes.Version7
}
func (s *state7) Code() cid.Cid {
code, ok := actors.GetActorCodeID(s.ActorVersion(), s.ActorKey())
if !ok {
panic(fmt.Errorf("didn't find actor %v code id for actor version %d", s.ActorKey(), s.ActorVersion()))
}
return code
}