1 files changed, 95 insertions, 0 deletions
diff --git a/data/transactions/logic/blackbox_test.go b/data/transactions/logic/blackbox_test.go
new file mode 100644
index 000000000..dc6fdd968
--- /dev/null
+++ b/data/transactions/logic/blackbox_test.go
@@ -0,0 +1,95 @@
+// Copyright (C) 2019-2022 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 logic_test
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/algorand/go-algorand/config"
+	"github.com/algorand/go-algorand/data/basics"
+	"github.com/algorand/go-algorand/data/transactions"
+	"github.com/algorand/go-algorand/data/transactions/logic"
+	"github.com/algorand/go-algorand/data/txntest"
+	"github.com/algorand/go-algorand/protocol"
+	"github.com/algorand/go-algorand/test/partitiontest"
+)
+
+func TestNewAppEvalParams(t *testing.T) {
+	partitiontest.PartitionTest(t)
+
+	params := []config.ConsensusParams{
+		{Application: true, MaxAppProgramCost: 700},
+		config.Consensus[protocol.ConsensusV29],
+		config.Consensus[protocol.ConsensusFuture],
+	}
+
+	// Create some sample transactions. The main reason this a blackbox test
+	// (_test package) is to have access to txntest.
+	payment := txntest.Txn{
+		Type:     protocol.PaymentTx,
+		Sender:   basics.Address{1, 2, 3, 4},
+		Receiver: basics.Address{4, 3, 2, 1},
+		Amount:   100,
+	}.SignedTxnWithAD()
+
+	appcall1 := txntest.Txn{
+		Type:          protocol.ApplicationCallTx,
+		Sender:        basics.Address{1, 2, 3, 4},
+		ApplicationID: basics.AppIndex(1),
+	}.SignedTxnWithAD()
+
+	appcall2 := appcall1
+	appcall2.Txn.ApplicationID = basics.AppIndex(2)
+
+	type evalTestCase struct {
+		group       []transactions.SignedTxnWithAD
+		numAppCalls int
+	}
+
+	// Create some groups with these transactions
+	cases := []evalTestCase{
+		{[]transactions.SignedTxnWithAD{payment}, 0},
+		{[]transactions.SignedTxnWithAD{appcall1}, 1},
+		{[]transactions.SignedTxnWithAD{payment, payment}, 0},
+		{[]transactions.SignedTxnWithAD{appcall1, payment}, 1},
+		{[]transactions.SignedTxnWithAD{payment, appcall1}, 1},
+		{[]transactions.SignedTxnWithAD{appcall1, appcall2}, 2},
+		{[]transactions.SignedTxnWithAD{appcall1, appcall2, appcall1}, 3},
+		{[]transactions.SignedTxnWithAD{payment, appcall1, payment}, 1},
+		{[]transactions.SignedTxnWithAD{appcall1, payment, appcall2}, 2},
+	}
+
+	for i, param := range params {
+		for j, testCase := range cases {
+			t.Run(fmt.Sprintf("i=%d,j=%d", i, j), func(t *testing.T) {
+				ep := logic.NewEvalParams(testCase.group, &param, nil)
+				require.NotNil(t, ep)
+				require.Equal(t, ep.TxnGroup, testCase.group)
+				require.Equal(t, *ep.Proto, param)
+				if reflect.DeepEqual(param, config.Consensus[protocol.ConsensusV29]) {
+					require.Nil(t, ep.PooledApplicationBudget)
+				} else if reflect.DeepEqual(param, config.Consensus[protocol.ConsensusFuture]) {
+					require.Equal(t, *ep.PooledApplicationBudget, uint64(param.MaxAppProgramCost*testCase.numAppCalls))
+				}
+			})
+		}
+	}
+}