167 lines
3.6 KiB
Go
167 lines
3.6 KiB
Go
package full
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import (
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"context"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/chain/store"
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"github.com/filecoin-project/lotus/chain/types"
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"golang.org/x/xerrors"
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"github.com/ipfs/go-cid"
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"go.uber.org/fx"
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)
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type ChainAPI struct {
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fx.In
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WalletAPI
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Chain *store.ChainStore
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}
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func (a *ChainAPI) ChainNotify(ctx context.Context) (<-chan []*store.HeadChange, error) {
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return a.Chain.SubHeadChanges(ctx), nil
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}
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func (a *ChainAPI) ChainHead(context.Context) (*types.TipSet, error) {
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return a.Chain.GetHeaviestTipSet(), nil
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}
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func (a *ChainAPI) ChainGetRandomness(ctx context.Context, pts types.TipSetKey, round int64) ([]byte, error) {
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return a.Chain.GetRandomness(ctx, pts.Cids(), round)
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}
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func (a *ChainAPI) ChainGetBlock(ctx context.Context, msg cid.Cid) (*types.BlockHeader, error) {
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return a.Chain.GetBlock(msg)
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}
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func (a *ChainAPI) ChainGetTipSet(ctx context.Context, key types.TipSetKey) (*types.TipSet, error) {
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return a.Chain.LoadTipSet(key.Cids())
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}
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func (a *ChainAPI) ChainGetBlockMessages(ctx context.Context, msg cid.Cid) (*api.BlockMessages, error) {
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b, err := a.Chain.GetBlock(msg)
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if err != nil {
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return nil, err
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}
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bmsgs, smsgs, err := a.Chain.MessagesForBlock(b)
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if err != nil {
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return nil, err
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}
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cids := make([]cid.Cid, len(bmsgs)+len(smsgs))
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for i, m := range bmsgs {
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cids[i] = m.Cid()
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}
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for i, m := range smsgs {
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cids[i+len(bmsgs)] = m.Cid()
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}
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return &api.BlockMessages{
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BlsMessages: bmsgs,
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SecpkMessages: smsgs,
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Cids: cids,
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}, nil
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}
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func (a *ChainAPI) ChainGetParentMessages(ctx context.Context, bcid cid.Cid) ([]api.Message, error) {
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b, err := a.Chain.GetBlock(bcid)
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if err != nil {
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return nil, err
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}
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// genesis block has no parent messages...
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if b.Height == 0 {
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return nil, nil
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}
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// TODO: need to get the number of messages better than this
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pts, err := a.Chain.LoadTipSet(b.Parents)
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if err != nil {
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return nil, err
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}
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cm, err := a.Chain.MessagesForTipset(pts)
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if err != nil {
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return nil, err
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}
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var out []api.Message
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for _, m := range cm {
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out = append(out, api.Message{
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Cid: m.Cid(),
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Message: m.VMMessage(),
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})
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}
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return out, nil
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}
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func (a *ChainAPI) ChainGetParentReceipts(ctx context.Context, bcid cid.Cid) ([]*types.MessageReceipt, error) {
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b, err := a.Chain.GetBlock(bcid)
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if err != nil {
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return nil, err
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}
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if b.Height == 0 {
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return nil, nil
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}
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// TODO: need to get the number of messages better than this
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pts, err := a.Chain.LoadTipSet(b.Parents)
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if err != nil {
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return nil, err
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}
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cm, err := a.Chain.MessagesForTipset(pts)
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if err != nil {
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return nil, err
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}
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var out []*types.MessageReceipt
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for i := 0; i < len(cm); i++ {
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r, err := a.Chain.GetParentReceipt(b, i)
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if err != nil {
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return nil, err
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}
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out = append(out, r)
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}
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return out, nil
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}
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func (a *ChainAPI) ChainGetTipSetByHeight(ctx context.Context, h uint64, ts *types.TipSet) (*types.TipSet, error) {
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return a.Chain.GetTipsetByHeight(ctx, h, ts)
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}
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func (a *ChainAPI) ChainReadObj(ctx context.Context, obj cid.Cid) ([]byte, error) {
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blk, err := a.Chain.Blockstore().Get(obj)
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if err != nil {
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return nil, xerrors.Errorf("blockstore get: %w", err)
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}
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return blk.RawData(), nil
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}
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func (a *ChainAPI) ChainSetHead(ctx context.Context, ts *types.TipSet) error {
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return a.Chain.SetHead(ts)
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}
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func (a *ChainAPI) ChainGetGenesis(ctx context.Context) (*types.TipSet, error) {
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genb, err := a.Chain.GetGenesis()
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if err != nil {
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return nil, err
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}
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return types.NewTipSet([]*types.BlockHeader{genb})
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}
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func (a *ChainAPI) ChainTipSetWeight(ctx context.Context, ts *types.TipSet) (types.BigInt, error) {
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return a.Chain.Weight(ctx, ts)
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}
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