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// Copyright (C) 2019-2024 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 data
import (
"fmt"
"math/rand"
"strconv"
"testing"
"github.com/algorand/go-algorand/config"
"github.com/algorand/go-algorand/crypto"
"github.com/algorand/go-algorand/data/account"
"github.com/algorand/go-algorand/data/basics"
basics_testing "github.com/algorand/go-algorand/data/basics/testing"
"github.com/algorand/go-algorand/data/bookkeeping"
"github.com/algorand/go-algorand/data/transactions"
"github.com/algorand/go-algorand/logging"
"github.com/algorand/go-algorand/protocol"
"github.com/algorand/go-algorand/util/db"
)
var sinkAddr = basics.Address{0x7, 0xda, 0xcb, 0x4b, 0x6d, 0x9e, 0xd1, 0x41, 0xb1, 0x75, 0x76, 0xbd, 0x45, 0x9a, 0xe6, 0x42, 0x1d, 0x48, 0x6d, 0xa3, 0xd4, 0xef, 0x22, 0x47, 0xc4, 0x9, 0xa3, 0x96, 0xb8, 0x2e, 0xa2, 0x21}
var poolAddr = basics.Address{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}
var genesisHash = crypto.Digest{0xff, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}
var genesisID = "testingid"
var proto = config.Consensus[protocol.ConsensusCurrentVersion]
const mockBalancesMinBalance = 1000
const defaultRewardUnit = 1e6
func keypair() *crypto.SignatureSecrets {
var seed crypto.Seed
crypto.RandBytes(seed[:])
s := crypto.GenerateSignatureSecrets(seed)
return s
}
func testingenv(t testing.TB, numAccounts, numTxs int, offlineAccounts bool) (*Ledger, []account.Root, []account.PersistedParticipation, []transactions.SignedTxn, func()) {
P := numAccounts // n accounts
TXs := numTxs // n txns
maxMoneyAtStart := 1000000 // max money start
minMoneyAtStart := 100000 // max money start
transferredMoney := 100 // max money/txn
maxFee := 10 // max maxFee/txn
lastValid := basics.Round(500) // max round
accessors := []db.Accessor{}
release := func() {
for _, acc := range accessors {
acc.Close()
}
}
// generate accounts
genesis := make(map[basics.Address]basics.AccountData)
gen := rand.New(rand.NewSource(2))
roots := make([]account.Root, P)
parts := make([]account.PersistedParticipation, P)
for i := 0; i < P; i++ {
access, err := db.MakeAccessor(t.Name()+"_root_testingenv"+strconv.Itoa(i), false, true)
if err != nil {
panic(err)
}
accessors = append(accessors, access)
root, err := account.GenerateRoot(access)
if err != nil {
panic(err)
}
access, err = db.MakeAccessor(t.Name()+"_part_testingenv"+strconv.Itoa(i), false, true)
if err != nil {
panic(err)
}
accessors = append(accessors, access)
part, err := account.FillDBWithParticipationKeys(access, root.Address(), 0, lastValid, config.Consensus[protocol.ConsensusCurrentVersion].DefaultKeyDilution)
if err != nil {
panic(err)
}
roots[i] = root
parts[i] = part
startamt := basics.MicroAlgos{Raw: uint64(minMoneyAtStart + (gen.Int() % (maxMoneyAtStart - minMoneyAtStart)))}
short := root.Address()
if offlineAccounts && i > P/2 {
genesis[short] = basics_testing.MakeAccountData(basics.Offline, startamt)
} else {
data := basics_testing.MakeAccountData(basics.Online, startamt)
data.SelectionID = parts[i].VRFSecrets().PK
data.VoteID = parts[i].VotingSecrets().OneTimeSignatureVerifier
genesis[short] = data
}
}
genesis[poolAddr] = basics_testing.MakeAccountData(basics.NotParticipating, basics.MicroAlgos{Raw: 100000 * uint64(proto.RewardsRateRefreshInterval)})
bootstrap := bookkeeping.MakeGenesisBalances(genesis, poolAddr, sinkAddr)
// generate test transactions
const inMem = true
cfg := config.GetDefaultLocal()
cfg.Archival = true
ledger, err := LoadLedger(logging.Base(), t.Name(), inMem, protocol.ConsensusCurrentVersion, bootstrap, genesisID, genesisHash, nil, cfg)
if err != nil {
panic(err)
}
tx := make([]transactions.SignedTxn, TXs)
latest := ledger.Latest()
if latest != 0 {
panic(fmt.Errorf("newly created ledger doesn't start on round 0"))
}
bal := bootstrap.Balances
for i := 0; i < TXs; i++ {
send := gen.Int() % P
recv := gen.Int() % P
saddr := roots[send].Address()
raddr := roots[recv].Address()
if proto.MinTxnFee+uint64(maxFee) > bal[saddr].MicroAlgos.Raw {
continue
}
xferMax := transferredMoney
if uint64(xferMax) > bal[saddr].MicroAlgos.Raw-proto.MinTxnFee-uint64(maxFee) {
xferMax = int(bal[saddr].MicroAlgos.Raw - proto.MinTxnFee - uint64(maxFee))
}
if xferMax == 0 {
continue
}
amt := basics.MicroAlgos{Raw: uint64(gen.Int() % xferMax)}
fee := basics.MicroAlgos{Raw: uint64(gen.Int()%maxFee) + proto.MinTxnFee}
t := transactions.Transaction{
Type: protocol.PaymentTx,
Header: transactions.Header{
Sender: saddr,
Fee: fee,
FirstValid: ledger.LastRound(),
LastValid: ledger.LastRound() + lastValid,
Note: make([]byte, 4),
GenesisHash: genesisHash,
},
PaymentTxnFields: transactions.PaymentTxnFields{
Receiver: raddr,
Amount: amt,
},
}
rand.Read(t.Note)
//if reallySignTxs {
tx[i] = t.Sign(roots[send].Secrets())
//} else {
// tx[i] = transactions.SignedTxn{Transaction: t, Sig: crypto.Signature{}}
//}
sbal := bal[saddr]
sbal.MicroAlgos.Raw -= fee.Raw
sbal.MicroAlgos.Raw -= amt.Raw
bal[saddr] = sbal
ibal := bal[poolAddr]
ibal.MicroAlgos.Raw += fee.Raw
bal[poolAddr] = ibal
rbal := bal[raddr]
rbal.MicroAlgos.Raw += amt.Raw
bal[raddr] = rbal
}
return ledger, roots, parts, tx, release
}
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