79 lines
1.4 KiB
Go
79 lines
1.4 KiB
Go
package types
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import (
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"bytes"
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"github.com/filecoin-project/specs-actors/actors/crypto"
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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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)
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func (m *SignedMessage) ToStorageBlock() (block.Block, error) {
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if m.Signature.Type == crypto.SigTypeBLS {
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return m.Message.ToStorageBlock()
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}
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data, err := m.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 (m *SignedMessage) Cid() cid.Cid {
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if m.Signature.Type == crypto.SigTypeBLS {
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return m.Message.Cid()
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}
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sb, err := m.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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type SignedMessage struct {
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Message Message
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Signature crypto.Signature
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}
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func DecodeSignedMessage(data []byte) (*SignedMessage, error) {
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var msg SignedMessage
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if err := msg.UnmarshalCBOR(bytes.NewReader(data)); err != nil {
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return nil, err
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}
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return &msg, nil
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}
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func (sm *SignedMessage) Serialize() ([]byte, error) {
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buf := new(bytes.Buffer)
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if err := sm.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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func (sm *SignedMessage) Size() int {
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serdata, err := sm.Serialize()
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if err != nil {
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log.Errorf("serializing message failed: %s", err)
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return 0
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}
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return len(serdata)
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}
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func (sm *SignedMessage) VMMessage() *Message {
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return &sm.Message
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}
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