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e2e: use more simple strings for generated transactions (#7513)

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This commit is contained in:
Sam Kleinman
2022-01-05 12:17:23 -05:00
committed by GitHub
parent 4137c16d3f
commit 8564c5079f
5 changed files with 14 additions and 13 deletions
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11
libs/rand/random.go
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@@ -10,15 +10,20 @@ const (
// Str constructs a random alphanumeric string of given length
// from math/rand's global default Source.
func Str(length int) string {
func Str(length int) string { return buildString(length, mrand.Int63) }
// StrFromSource produces a random string of a specified length from
// the specified random source.
func StrFromSource(r *mrand.Rand, length int) string { return buildString(length, r.Int63) }
func buildString(length int, picker func() int64) string {
if length <= 0 {
return ""
}
chars := make([]byte, 0, length)
for {
// nolint:gosec // G404: Use of weak random number generator
val := mrand.Int63()
val := picker()
for i := 0; i < 10; i++ {
v := int(val & 0x3f) // rightmost 6 bits
if v >= 62 { // only 62 characters in strChars