66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
package filcns
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import (
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"context"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/chain/consensus"
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"github.com/filecoin-project/lotus/chain/stmgr"
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"github.com/filecoin-project/lotus/chain/types"
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)
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func (filec *FilecoinEC) CreateBlock(ctx context.Context, w api.Wallet, bt *api.BlockTemplate) (*types.FullBlock, error) {
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pts, err := filec.sm.ChainStore().LoadTipSet(ctx, bt.Parents)
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if err != nil {
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return nil, xerrors.Errorf("failed to load parent tipset: %w", err)
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}
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st, recpts, err := filec.sm.TipSetState(ctx, pts)
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if err != nil {
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return nil, xerrors.Errorf("failed to load tipset state: %w", err)
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}
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_, lbst, err := stmgr.GetLookbackTipSetForRound(ctx, filec.sm, pts, bt.Epoch)
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if err != nil {
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return nil, xerrors.Errorf("getting lookback miner actor state: %w", err)
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}
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worker, err := stmgr.GetMinerWorkerRaw(ctx, filec.sm, lbst, bt.Miner)
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if err != nil {
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return nil, xerrors.Errorf("failed to get miner worker: %w", err)
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}
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next := &types.BlockHeader{
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Miner: bt.Miner,
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Parents: bt.Parents.Cids(),
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Ticket: bt.Ticket,
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ElectionProof: bt.Eproof,
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BeaconEntries: bt.BeaconValues,
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Height: bt.Epoch,
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Timestamp: bt.Timestamp,
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WinPoStProof: bt.WinningPoStProof,
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ParentStateRoot: st,
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ParentMessageReceipts: recpts,
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}
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blsMessages, secpkMessages, err := consensus.MsgsFromBlockTemplate(ctx, filec.sm, next, pts, bt)
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if err != nil {
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return nil, xerrors.Errorf("failed to process messages from block template: %w", err)
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}
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if err := signBlock(ctx, w, worker, next); err != nil {
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return nil, xerrors.Errorf("failed to sign new block: %w", err)
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}
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fullBlock := &types.FullBlock{
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Header: next,
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BlsMessages: blsMessages,
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SecpkMessages: secpkMessages,
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}
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return fullBlock, nil
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}
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