115 lines
2.6 KiB
Go
115 lines
2.6 KiB
Go
package paych
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import (
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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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paych4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/paych"
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adt4 "github.com/filecoin-project/specs-actors/v4/actors/util/adt"
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)
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var _ State = (*state4)(nil)
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func load4(store adt.Store, root cid.Cid) (State, error) {
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out := state4{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 make4(store adt.Store) (State, error) {
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out := state4{store: store}
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out.State = paych4.State{}
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return &out, nil
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}
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type state4 struct {
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paych4.State
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store adt.Store
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lsAmt *adt4.Array
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}
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// Channel owner, who has funded the actor
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func (s *state4) 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 *state4) 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 *state4) 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 *state4) ToSend() (abi.TokenAmount, error) {
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return s.State.ToSend, nil
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}
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func (s *state4) getOrLoadLsAmt() (*adt4.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 := adt4.AsArray(s.store, s.State.LaneStates, paych4.LaneStatesAmtBitwidth)
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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 *state4) 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 *state4) 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 *state4) 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 paych4.LaneState
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return lsamt.ForEach(&ls, func(i int64) error {
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return cb(uint64(i), &laneState4{ls})
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})
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}
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type laneState4 struct {
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paych4.LaneState
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}
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func (ls *laneState4) Redeemed() (big.Int, error) {
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return ls.LaneState.Redeemed, nil
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}
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func (ls *laneState4) Nonce() (uint64, error) {
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return ls.LaneState.Nonce, nil
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}
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