84 lines
1.5 KiB
Go
84 lines
1.5 KiB
Go
package types
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import (
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"bytes"
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"fmt"
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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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"github.com/filecoin-project/go-address"
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)
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type Message struct {
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To address.Address
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From address.Address
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Nonce uint64
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Value BigInt
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GasPrice BigInt
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GasLimit BigInt
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Method uint64
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Params []byte
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}
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func DecodeMessage(b []byte) (*Message, error) {
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var msg Message
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if err := msg.UnmarshalCBOR(bytes.NewReader(b)); 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 (m *Message) Serialize() ([]byte, error) {
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buf := new(bytes.Buffer)
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if err := m.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 (m *Message) ToStorageBlock() (block.Block, error) {
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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 *Message) Cid() cid.Cid {
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b, err := m.ToStorageBlock()
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if err != nil {
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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?
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}
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return b.Cid()
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}
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func (m *Message) RequiredFunds() BigInt {
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return BigAdd(
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m.Value,
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BigMul(m.GasPrice, m.GasLimit),
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)
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}
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func (m *Message) VMMessage() *Message {
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return m
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}
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func (m *Message) Equals(o *Message) bool {
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return m.Cid() == o.Cid()
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}
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