2d3065ae8e
Includes changes from:
- https://github.com/ipfs/go-block-format/pull/37
- https://github.com/ipfs/go-libipfs/pull/58
(cherry picked from commit f572852d06)
56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
package storageadapter
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import (
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"context"
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"github.com/ipfs/go-cid"
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cbor "github.com/ipfs/go-ipld-cbor"
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blocks "github.com/ipfs/go-libipfs/blocks"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/lotus/blockstore"
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"github.com/filecoin-project/lotus/chain/actors/adt"
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"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
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"github.com/filecoin-project/lotus/chain/types"
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)
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type apiWrapper struct {
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api interface {
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StateGetActor(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*types.Actor, error)
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ChainReadObj(context.Context, cid.Cid) ([]byte, error)
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ChainHasObj(context.Context, cid.Cid) (bool, error)
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ChainPutObj(context.Context, blocks.Block) error
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}
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}
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func (ca *apiWrapper) diffPreCommits(ctx context.Context, actor address.Address, pre, cur types.TipSetKey) (*miner.PreCommitChanges, error) {
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store := adt.WrapStore(ctx, cbor.NewCborStore(blockstore.NewAPIBlockstore(ca.api)))
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preAct, err := ca.api.StateGetActor(ctx, actor, pre)
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if err != nil {
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return nil, xerrors.Errorf("getting pre actor: %w", err)
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}
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curAct, err := ca.api.StateGetActor(ctx, actor, cur)
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if err != nil {
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return nil, xerrors.Errorf("getting cur actor: %w", err)
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}
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preSt, err := miner.Load(store, preAct)
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if err != nil {
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return nil, xerrors.Errorf("loading miner actor: %w", err)
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}
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curSt, err := miner.Load(store, curAct)
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if err != nil {
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return nil, xerrors.Errorf("loading miner actor: %w", err)
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}
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diff, err := miner.DiffPreCommits(preSt, curSt)
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if err != nil {
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return nil, xerrors.Errorf("diff precommits: %w", err)
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}
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return diff, err
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}
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