113 lines
1.9 KiB
Go
113 lines
1.9 KiB
Go
package types
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import (
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"bytes"
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block "github.com/ipfs/go-block-format"
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"github.com/ipfs/go-cid"
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"github.com/multiformats/go-multihash"
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xerrors "golang.org/x/xerrors"
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"github.com/filecoin-project/go-lotus/chain/address"
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)
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type Ticket struct {
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VRFProof []byte
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VDFResult []byte
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VDFProof []byte
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}
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type ElectionProof []byte
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type BlockHeader struct {
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Miner address.Address
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Tickets []*Ticket
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ElectionProof []byte
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Parents []cid.Cid
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ParentWeight BigInt
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Height uint64
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StateRoot cid.Cid
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Messages cid.Cid
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BLSAggregate Signature
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MessageReceipts cid.Cid
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}
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func (b *BlockHeader) ToStorageBlock() (block.Block, error) {
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data, err := b.Serialize()
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if err != nil {
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return nil, err
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}
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pref := cid.NewPrefixV1(cid.DagCBOR, multihash.BLAKE2B_MIN+31)
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c, err := pref.Sum(data)
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if err != nil {
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return nil, err
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}
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return block.NewBlockWithCid(data, c)
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}
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func (b *BlockHeader) Cid() cid.Cid {
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sb, err := b.ToStorageBlock()
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if err != nil {
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panic(err)
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}
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return sb.Cid()
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}
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func DecodeBlock(b []byte) (*BlockHeader, error) {
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var blk BlockHeader
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if err := blk.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
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return nil, err
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}
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return &blk, nil
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}
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func (blk *BlockHeader) Serialize() ([]byte, error) {
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buf := new(bytes.Buffer)
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if err := blk.MarshalCBOR(buf); err != nil {
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return nil, err
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}
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return buf.Bytes(), nil
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}
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type MsgMeta struct {
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BlsMessages cid.Cid
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SecpkMessages cid.Cid
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}
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func (mm *MsgMeta) Cid() cid.Cid {
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b, err := mm.ToStorageBlock()
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if err != nil {
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panic(err)
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}
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return b.Cid()
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}
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func (mm *MsgMeta) ToStorageBlock() (block.Block, error) {
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buf := new(bytes.Buffer)
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if err := mm.MarshalCBOR(buf); err != nil {
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return nil, xerrors.Errorf("failed to marshal MsgMeta: %w", err)
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}
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pref := cid.NewPrefixV1(cid.DagCBOR, multihash.BLAKE2B_MIN+31)
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c, err := pref.Sum(buf.Bytes())
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if err != nil {
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return nil, err
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}
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return block.NewBlockWithCid(buf.Bytes(), c)
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}
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