lotus/chain/actors/builtin/paych/v0.go

92 lines
2.0 KiB
Go

package paych
import (
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
big "github.com/filecoin-project/go-state-types/big"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/specs-actors/actors/builtin/paych"
adt0 "github.com/filecoin-project/specs-actors/actors/util/adt"
)
var _ State = (*state0)(nil)
type state0 struct {
paych.State
store adt.Store
lsAmt *adt0.Array
}
// Channel owner, who has funded the actor
func (s *state0) From() address.Address {
return s.State.From
}
// Recipient of payouts from channel
func (s *state0) To() address.Address {
return s.State.To
}
// Height at which the channel can be `Collected`
func (s *state0) SettlingAt() abi.ChainEpoch {
return s.State.SettlingAt
}
// Amount successfully redeemed through the payment channel, paid out on `Collect()`
func (s *state0) ToSend() abi.TokenAmount {
return s.State.ToSend
}
func (s *state0) getOrLoadLsAmt() (*adt0.Array, error) {
if s.lsAmt != nil {
return s.lsAmt, nil
}
// Get the lane state from the chain
lsamt, err := adt0.AsArray(s.store, s.State.LaneStates)
if err != nil {
return nil, err
}
s.lsAmt = lsamt
return lsamt, nil
}
// Get total number of lanes
func (s *state0) LaneCount() (uint64, error) {
lsamt, err := s.getOrLoadLsAmt()
if err != nil {
return 0, err
}
return lsamt.Length(), nil
}
// Iterate lane states
func (s *state0) 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 paych.LaneState
return lsamt.ForEach(&ls, func(i int64) error {
return cb(uint64(i), &laneState0{ls})
})
}
type laneState0 struct {
paych.LaneState
}
func (ls *laneState0) Redeemed() big.Int {
return ls.LaneState.Redeemed
}
func (ls *laneState0) Nonce() uint64 {
return ls.LaneState.Nonce
}