github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/utils/random/timeseeded.go (about)

     1  /*
     2   * Copyright (C) 2021 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package random
    19  
    20  import (
    21  	"math/rand"
    22  	"time"
    23  )
    24  
    25  // NewTimeSeededRand creates *rand.Rand seeded with current time
    26  // and safe for concurrent use
    27  func NewTimeSeededRand() *rand.Rand {
    28  	return rand.New(
    29  		NewConcurrentRandomSource(
    30  			rand.NewSource(
    31  				time.Now().UnixNano(),
    32  			),
    33  		),
    34  	)
    35  }