80 lines
1.4 KiB
Go
80 lines
1.4 KiB
Go
package types
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
|
|
block "github.com/ipfs/go-block-format"
|
|
"github.com/ipfs/go-cid"
|
|
"github.com/multiformats/go-multihash"
|
|
|
|
"github.com/filecoin-project/lotus/chain/address"
|
|
)
|
|
|
|
type Message struct {
|
|
To address.Address
|
|
From address.Address
|
|
|
|
Nonce uint64
|
|
|
|
Value BigInt
|
|
|
|
GasPrice BigInt
|
|
GasLimit BigInt
|
|
|
|
Method uint64
|
|
Params []byte
|
|
}
|
|
|
|
func DecodeMessage(b []byte) (*Message, error) {
|
|
var msg Message
|
|
if err := msg.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &msg, nil
|
|
}
|
|
|
|
func (m *Message) Serialize() ([]byte, error) {
|
|
buf := new(bytes.Buffer)
|
|
if err := m.MarshalCBOR(buf); err != nil {
|
|
return nil, err
|
|
}
|
|
return buf.Bytes(), nil
|
|
}
|
|
|
|
func (m *Message) ToStorageBlock() (block.Block, error) {
|
|
data, err := m.Serialize()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
pref := cid.NewPrefixV1(cid.DagCBOR, multihash.BLAKE2B_MIN+31)
|
|
c, err := pref.Sum(data)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return block.NewBlockWithCid(data, c)
|
|
}
|
|
|
|
func (m *Message) Cid() cid.Cid {
|
|
b, err := m.ToStorageBlock()
|
|
if err != nil {
|
|
panic(fmt.Sprintf("failed to marshal message: %s", err)) // I think this is maybe sketchy, what happens if we try to serialize a message with an undefined address in it?
|
|
}
|
|
|
|
return b.Cid()
|
|
}
|
|
|
|
func (m *Message) RequiredFunds() BigInt {
|
|
return BigAdd(
|
|
m.Value,
|
|
BigMul(m.GasPrice, m.GasLimit),
|
|
)
|
|
}
|
|
|
|
func (m *Message) VMMessage() *Message {
|
|
return m
|
|
}
|