60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
package stmgr
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import (
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"context"
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"golang.org/x/xerrors"
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"github.com/ipfs/go-cid"
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cbor "github.com/ipfs/go-ipld-cbor"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/network"
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"github.com/filecoin-project/lotus/chain/state"
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"github.com/filecoin-project/lotus/chain/types"
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)
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func (sm *StateManager) ParentStateTsk(tsk types.TipSetKey) (*state.StateTree, error) {
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ts, err := sm.cs.GetTipSetFromKey(tsk)
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if err != nil {
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return nil, xerrors.Errorf("loading tipset %s: %w", tsk, err)
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}
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return sm.ParentState(ts)
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}
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func (sm *StateManager) ParentState(ts *types.TipSet) (*state.StateTree, error) {
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cst := cbor.NewCborStore(sm.cs.Blockstore())
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version := sm.GetNtwkVersion(context.TODO(), ts.Height()-1)
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state, err := state.LoadStateTree(cst, sm.parentState(ts), version)
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if err != nil {
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return nil, xerrors.Errorf("load state tree: %w", err)
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}
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return state, nil
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}
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func (sm *StateManager) StateTree(st cid.Cid, ntwkVersion network.Version) (*state.StateTree, error) {
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cst := cbor.NewCborStore(sm.cs.Blockstore())
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state, err := state.LoadStateTree(cst, st, ntwkVersion)
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if err != nil {
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return nil, xerrors.Errorf("load state tree: %w", err)
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}
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return state, nil
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}
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func (sm *StateManager) LoadActor(_ context.Context, addr address.Address, ts *types.TipSet) (*types.Actor, error) {
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state, err := sm.ParentState(ts)
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if err != nil {
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return nil, err
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}
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return state.GetActor(addr)
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}
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func (sm *StateManager) LoadActorTsk(_ context.Context, addr address.Address, tsk types.TipSetKey) (*types.Actor, error) {
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state, err := sm.ParentStateTsk(tsk)
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if err != nil {
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return nil, err
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}
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return state.GetActor(addr)
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}
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