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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package bcnet | ||
|
|
||
| import ( | ||
| "io" | ||
|
|
||
| "github.com/libsv/go-p2p/chaincfg/chainhash" | ||
| "github.com/libsv/go-p2p/wire" | ||
| ) | ||
|
|
||
| // BlockMessage only stores the transaction IDs of the block, not the full transactions | ||
| type BlockMessage struct { | ||
| Hash *chainhash.Hash | ||
| Header *wire.BlockHeader | ||
| Height uint64 | ||
| TransactionHashes []*chainhash.Hash | ||
| Size uint64 | ||
| } | ||
|
|
||
| func (bm *BlockMessage) Bsvdecode(io.Reader, uint32, wire.MessageEncoding) error { | ||
| return nil | ||
| } | ||
| func (bm *BlockMessage) BsvEncode(io.Writer, uint32, wire.MessageEncoding) error { | ||
| return nil | ||
| } | ||
| func (bm *BlockMessage) Command() string { | ||
| return "block" | ||
| } | ||
| func (bm *BlockMessage) MaxPayloadLength(uint32) uint64 { | ||
| return wire.MaxExtMsgPayload | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package blocktx_p2p | ||
|
|
||
| import ( | ||
| "errors" | ||
| "log/slog" | ||
|
|
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| "github.com/bitcoin-sv/arc/internal/blocktx/bcnet" | ||
| "github.com/bitcoin-sv/arc/internal/p2p" | ||
| "github.com/libsv/go-p2p/chaincfg/chainhash" | ||
| "github.com/libsv/go-p2p/wire" | ||
| ) | ||
|
|
||
| var ErrUnableToCastWireMessage = errors.New("unable to cast wire.Message to blockchain.BlockMessage") | ||
|
|
||
| type BlockRequest struct { | ||
| Hash *chainhash.Hash | ||
| Peer p2p.PeerI | ||
| } | ||
|
|
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| var _ p2p.MessageHandlerI = (*MsgHandler)(nil) | ||
|
|
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| type MsgHandler struct { | ||
| logger *slog.Logger | ||
| blockRequestingCh chan<- BlockRequest | ||
| blockProcessingCh chan<- *bcnet.BlockMessage | ||
| } | ||
|
|
||
| func NewMsgHandler(logger *slog.Logger, blockRequestCh chan<- BlockRequest, blockProcessCh chan<- *bcnet.BlockMessage) *MsgHandler { | ||
| return &MsgHandler{ | ||
| logger: logger.With(slog.String("module", "peer-msg-handler")), | ||
| blockRequestingCh: blockRequestCh, | ||
| blockProcessingCh: blockProcessCh, | ||
| } | ||
| } | ||
|
|
||
| // OnReceive handles incoming messages depending on command type | ||
| func (h *MsgHandler) OnReceive(msg wire.Message, peer p2p.PeerI) { | ||
| cmd := msg.Command() | ||
|
|
||
| switch cmd { | ||
| case wire.CmdInv: | ||
| invMsg, ok := msg.(*wire.MsgInv) | ||
| if !ok { | ||
| return | ||
| } | ||
|
|
||
| go func() { | ||
| for _, iv := range invMsg.InvList { | ||
| if iv.Type == wire.InvTypeBlock { | ||
| req := BlockRequest{ | ||
| Hash: &iv.Hash, | ||
| Peer: peer, | ||
| } | ||
|
|
||
| h.blockRequestingCh <- req | ||
| } | ||
| // ignore INV with transaction or error | ||
| } | ||
| }() | ||
|
|
||
| case wire.CmdBlock: | ||
| blockMsg, ok := msg.(*bcnet.BlockMessage) | ||
| if !ok { | ||
| h.logger.Error("Block msg receive", slog.Any("err", ErrUnableToCastWireMessage)) | ||
| return | ||
| } | ||
|
|
||
| h.blockProcessingCh <- blockMsg | ||
|
|
||
| default: | ||
| // ignore other messages | ||
| } | ||
| } | ||
|
|
||
| // OnSend handles outgoing messages depending on command type | ||
| func (h *MsgHandler) OnSend(_ wire.Message, _ p2p.PeerI) { | ||
| // ignore | ||
| } |
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