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// Copyright (C) 2019-2021 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package testing
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/algorand/go-algorand/config"
"github.com/algorand/go-algorand/crypto"
"github.com/algorand/go-algorand/data/basics"
"github.com/algorand/go-algorand/data/bookkeeping"
"github.com/algorand/go-algorand/ledger/ledgercore"
"github.com/algorand/go-algorand/protocol"
)
var poolSecret, sinkSecret *crypto.SignatureSecrets
func init() {
var seed crypto.Seed
incentivePoolName := []byte("incentive pool")
copy(seed[:], incentivePoolName)
poolSecret = crypto.GenerateSignatureSecrets(seed)
feeSinkName := []byte("fee sink")
copy(seed[:], feeSinkName)
sinkSecret = crypto.GenerateSignatureSecrets(seed)
}
// GenerateInitState generates testing init state
func GenerateInitState(tb testing.TB, proto protocol.ConsensusVersion, baseAlgoPerAccount int) (genesisInitState ledgercore.InitState, initKeys map[basics.Address]*crypto.SignatureSecrets) {
params := config.Consensus[proto]
poolAddr := testPoolAddr
sinkAddr := testSinkAddr
var zeroSeed crypto.Seed
var genaddrs [10]basics.Address
var gensecrets [10]*crypto.SignatureSecrets
for i := range genaddrs {
seed := zeroSeed
seed[0] = byte(i)
x := crypto.GenerateSignatureSecrets(seed)
genaddrs[i] = basics.Address(x.SignatureVerifier)
gensecrets[i] = x
}
initKeys = make(map[basics.Address]*crypto.SignatureSecrets)
initAccounts := make(map[basics.Address]basics.AccountData)
for i := range genaddrs {
initKeys[genaddrs[i]] = gensecrets[i]
// Give each account quite a bit more balance than MinFee or MinBalance
initAccounts[genaddrs[i]] = basics.MakeAccountData(basics.Online, basics.MicroAlgos{Raw: uint64((i + baseAlgoPerAccount) * 100000)})
}
initKeys[poolAddr] = poolSecret
initAccounts[poolAddr] = basics.MakeAccountData(basics.NotParticipating, basics.MicroAlgos{Raw: 1234567})
initKeys[sinkAddr] = sinkSecret
initAccounts[sinkAddr] = basics.MakeAccountData(basics.NotParticipating, basics.MicroAlgos{Raw: 7654321})
incentivePoolBalanceAtGenesis := initAccounts[poolAddr].MicroAlgos
var initialRewardsPerRound uint64
if params.InitialRewardsRateCalculation {
initialRewardsPerRound = basics.SubSaturate(incentivePoolBalanceAtGenesis.Raw, params.MinBalance) / uint64(params.RewardsRateRefreshInterval)
} else {
initialRewardsPerRound = incentivePoolBalanceAtGenesis.Raw / uint64(params.RewardsRateRefreshInterval)
}
initBlock := bookkeeping.Block{
BlockHeader: bookkeeping.BlockHeader{
GenesisID: tb.Name(),
Round: 0,
RewardsState: bookkeeping.RewardsState{
RewardsRate: initialRewardsPerRound,
RewardsPool: poolAddr,
FeeSink: sinkAddr,
},
UpgradeState: bookkeeping.UpgradeState{
CurrentProtocol: proto,
},
},
}
var err error
initBlock.TxnRoot, err = initBlock.PaysetCommit()
require.NoError(tb, err)
if params.SupportGenesisHash {
initBlock.BlockHeader.GenesisHash = crypto.Hash([]byte(tb.Name()))
}
genesisInitState.Block = initBlock
genesisInitState.Accounts = initAccounts
genesisInitState.GenesisHash = crypto.Hash([]byte(tb.Name()))
return
}
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