heavy.gno

 1// Package heavy emits events at the chain's size limits, so one transaction's
 2// indexer answer can exceed gnotifd's 64 MiB read limit.
 3package heavy
 4
 5import (
 6	"chain"
 7	"strconv"
 8	"strings"
 9)
10
11// The chain caps an event at 64 attribute pairs, and each key and value at
12// 4,096 bytes.
13const (
14	pairs   = 64
15	attrLen = 4096
16)
17
18// Emit emits n events, each with every attribute pair at its maximum size.
19func Emit(_ realm, n int) {
20	attrs := make([]string, 0, 2*pairs)
21	value := strings.Repeat("v", attrLen)
22	for i := 0; i < pairs; i++ {
23		prefix := strconv.Itoa(i) + "-"
24		attrs = append(attrs, prefix+strings.Repeat("k", attrLen-len(prefix)), value)
25	}
26	for i := 0; i < n; i++ {
27		chain.Emit("Heavy", attrs...)
28	}
29}
30
31// EventBytes is the size of one event's keys and values.
32func EventBytes() int {
33	return 2 * pairs * attrLen
34}