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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 testsuite
import (
"context"
"github.com/algorand/go-algorand/ledger/store/trackerdb"
"github.com/stretchr/testify/require"
)
func init() {
// register tests that will run on each KV implementation
registerTest("db-semantics-transaction", CustomTestTransaction)
}
// This test will ensure that transaction semantics carry the same meaning across all engine implementations.
func CustomTestTransaction(t *customT) {
aow, err := t.db.MakeAccountsOptimizedWriter(true, false, false, false)
require.NoError(t, err)
aor, err := t.db.MakeAccountsOptimizedReader()
require.NoError(t, err)
// generate some test data
addrA := RandomAddress()
dataA := trackerdb.BaseAccountData{
RewardsBase: 1000,
}
// insert the account
normBalanceA := dataA.NormalizedOnlineBalance(t.proto)
refA, err := aow.InsertAccount(addrA, normBalanceA, dataA)
require.NoError(t, err)
//
// test
//
err = t.db.Transaction(func(ctx context.Context, tx trackerdb.TransactionScope) (err error) {
// create a scoped writer
aow, err := tx.MakeAccountsOptimizedWriter(true, false, false, false)
require.NoError(t, err)
// create a scoped reader
aor, err := tx.MakeAccountsOptimizedReader()
require.NoError(t, err)
// read an account
padA, err := aor.LookupAccount(addrA)
require.NoError(t, err)
require.Equal(t, refA, padA.Ref) // same ref as when we inserted it
// update the account
dataA.RewardsBase = 98287
normBalanceA = dataA.NormalizedOnlineBalance(t.proto)
_, err = aow.UpdateAccount(refA, normBalanceA, dataA)
require.NoError(t, err)
return nil
})
require.NoError(t, err)
// read the updated record outside the transaction to make sure it was commited
padA, err := aor.LookupAccount(addrA)
require.NoError(t, err)
require.Equal(t, uint64(98287), padA.AccountData.RewardsBase) // same updated data
}
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