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v5.go
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v5.go
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package paych
import (
"github.com/ipfs/go-cid"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/big"
paych5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/paych"
adt5 "github.com/filecoin-project/specs-actors/v5/actors/util/adt"
"github.com/filecoin-project/lotus/chain/actors/adt"
)
var _ State = (*state5)(nil)
func load5(store adt.Store, root cid.Cid) (State, error) {
out := state5{store: store}
err := store.Get(store.Context(), root, &out)
if err != nil {
return nil, err
}
return &out, nil
}
func make5(store adt.Store) (State, error) {
out := state5{store: store}
out.State = paych5.State{}
return &out, nil
}
type state5 struct {
paych5.State
store adt.Store
lsAmt *adt5.Array
}
// Channel owner, who has funded the actor
func (s *state5) From() (address.Address, error) {
return s.State.From, nil
}
// Recipient of payouts from channel
func (s *state5) To() (address.Address, error) {
return s.State.To, nil
}
// Height at which the channel can be `Collected`
func (s *state5) SettlingAt() (abi.ChainEpoch, error) {
return s.State.SettlingAt, nil
}
// Amount successfully redeemed through the payment channel, paid out on `Collect()`
func (s *state5) ToSend() (abi.TokenAmount, error) {
return s.State.ToSend, nil
}
func (s *state5) getOrLoadLsAmt() (*adt5.Array, error) {
if s.lsAmt != nil {
return s.lsAmt, nil
}
// Get the lane state from the chain
lsamt, err := adt5.AsArray(s.store, s.State.LaneStates, paych5.LaneStatesAmtBitwidth)
if err != nil {
return nil, err
}
s.lsAmt = lsamt
return lsamt, nil
}
// Get total number of lanes
func (s *state5) LaneCount() (uint64, error) {
lsamt, err := s.getOrLoadLsAmt()
if err != nil {
return 0, err
}
return lsamt.Length(), nil
}
func (s *state5) GetState() interface{} {
return &s.State
}
// Iterate lane states
func (s *state5) 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 paych5.LaneState
return lsamt.ForEach(&ls, func(i int64) error {
return cb(uint64(i), &laneState5{ls})
})
}
type laneState5 struct {
paych5.LaneState
}
func (ls *laneState5) Redeemed() (big.Int, error) {
return ls.LaneState.Redeemed, nil
}
func (ls *laneState5) Nonce() (uint64, error) {
return ls.LaneState.Nonce, nil
}