// Copyright 2018 The dexon-consensus-core Authors
// This file is part of the dexon-consensus-core library.
//
// The dexon-consensus-core library is free software: you can redistribute it
// and/or modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation, either version 3 of the License,
// or (at your option) any later version.
//
// The dexon-consensus-core library is distributed in the hope that it will be
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
// General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the dexon-consensus-core library. If not, see
// <http://www.gnu.org/licenses/>.

package test

import (
	"github.com/dexon-foundation/dexon-consensus-core/common"
	"github.com/dexon-foundation/dexon-consensus-core/core/types"
)

func stableRandomHash(blockConv types.BlockConverter) (common.Hash, error) {
	block := blockConv.Block()
	if (block.Hash != common.Hash{}) {
		return block.Hash, nil
	}
	return common.NewRandomHash(), nil
}

// GenerateRandomValidatorIDs generates randomly a slices of types.ValidatorID.
func GenerateRandomValidatorIDs(validatorCount int) (vIDs types.ValidatorIDs) {
	vIDs = types.ValidatorIDs{}
	for i := 0; i < validatorCount; i++ {
		vIDs = append(vIDs, types.ValidatorID{Hash: common.NewRandomHash()})
	}
	return
}