code.vegaprotocol.io/vega@v0.79.0/libs/rand/rand.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package rand
    17  
    18  import (
    19  	"math/rand"
    20  )
    21  
    22  var chars = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
    23  
    24  func RandomStr(length int) string {
    25  	b := make([]rune, length)
    26  	for i := range b {
    27  		b[i] = chars[rand.Intn(len(chars))]
    28  	}
    29  	return string(b)
    30  }
    31  
    32  func RandomBytes(n int) []byte {
    33  	return []byte(RandomStr(n))
    34  }