117 lines
2.2 KiB
Go
117 lines
2.2 KiB
Go
package types
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import (
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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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cbor "github.com/ipfs/go-ipld-cbor"
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"github.com/multiformats/go-multihash"
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"github.com/polydawn/refmt/obj/atlas"
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"github.com/filecoin-project/go-lotus/chain/address"
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)
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func init() {
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cbor.RegisterCborType(atlas.BuildEntry(Message{}).UseTag(44).Transform().
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TransformMarshal(atlas.MakeMarshalTransformFunc(
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func(m Message) ([]interface{}, error) {
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return []interface{}{
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m.To.Bytes(),
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m.From.Bytes(),
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m.Nonce,
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m.Value,
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m.GasPrice,
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m.GasLimit,
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m.Method,
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m.Params,
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}, nil
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})).
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TransformUnmarshal(atlas.MakeUnmarshalTransformFunc(
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func(arr []interface{}) (Message, error) {
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to, err := address.NewFromBytes(arr[0].([]byte))
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if err != nil {
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return Message{}, err
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}
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from, err := address.NewFromBytes(arr[1].([]byte))
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if err != nil {
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return Message{}, err
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}
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nonce, ok := arr[2].(uint64)
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if !ok {
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return Message{}, fmt.Errorf("expected uint64 nonce at index 2")
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}
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value := arr[3].(BigInt)
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gasPrice := arr[4].(BigInt)
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gasLimit := arr[5].(BigInt)
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method, _ := arr[6].(uint64)
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params, _ := arr[7].([]byte)
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if gasPrice.Nil() {
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gasPrice = NewInt(0)
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}
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if gasLimit.Nil() {
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gasLimit = NewInt(0)
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}
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return Message{
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To: to,
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From: from,
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Nonce: nonce,
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Value: value,
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GasPrice: gasPrice,
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GasLimit: gasLimit,
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Method: method,
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Params: params,
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}, nil
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})).
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Complete())
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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 := cbor.DecodeInto(b, &msg); 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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return cbor.DumpObject(m)
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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(0x1f, 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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