package p2p

import "time"

type Event struct {
	Type      string `json:"type"`       // "block_accept", "block_reject", "block_mine"
	Node      string `json:"node"`       // short ID
	BlockHash string `json:"block_hash"` // first 8 chars
	Height    int    `json:"height"`
	From      string `json:"from"` // who sent it (short ID), empty if mined
	Ts        int64  `json:"ts"`   // unix ms
	TxCount   int    `json:"tx_count"`
}

// Global event stream. Buffered so nodes never block.
var Events = make(chan Event, 1000)

func emit(e Event) {
	e.Ts = time.Now().UnixMilli()
	select {
	case Events <- e:
	default: // drop if nobody listens
	}
}