Move rand funcs to iota.go

go.mod

@@ -25,7 +25,7 @@ require (
 	github.com/iotaledger/hive.go/stringify v0.0.0-20231128121006-331a9e522dfe
 	github.com/iotaledger/inx-app v1.0.0-rc.3.0.20231128163614-c82e1fa40733
 	github.com/iotaledger/inx/go v1.0.0-rc.2.0.20231128162307-cc6b309e93ef
-	github.com/iotaledger/iota.go/v4 v4.0.0-20231128162016-23f1b4e12cec
+	github.com/iotaledger/iota.go/v4 v4.0.0-20231201103607-03a45ba3707f
 	github.com/labstack/echo/v4 v4.11.3
 	github.com/labstack/gommon v0.4.1
 	github.com/libp2p/go-libp2p v0.32.0

go.sum

@@ -307,8 +307,8 @@ github.com/iotaledger/inx-app v1.0.0-rc.3.0.20231128163614-c82e1fa40733 h1:jdjFT
 github.com/iotaledger/inx-app v1.0.0-rc.3.0.20231128163614-c82e1fa40733/go.mod h1:3ae5TFi3uaECV+F4d5ekKz+xcJQmVtCICcs/Rhvgn3w=
 github.com/iotaledger/inx/go v1.0.0-rc.2.0.20231128162307-cc6b309e93ef h1:RImO23W0kL3U9egdLoi5OTmOIhE5rHfR/dKM/6XhZeE=
 github.com/iotaledger/inx/go v1.0.0-rc.2.0.20231128162307-cc6b309e93ef/go.mod h1:bi0zndM3irf8FHYUg6MzG/Zk/t0fV8IwGXAdoT7wn98=
-github.com/iotaledger/iota.go/v4 v4.0.0-20231128162016-23f1b4e12cec h1:u9SAuKHygJwqwYxoEd+PyHCU4fTftcPdV2ZUGSRZe8o=
-github.com/iotaledger/iota.go/v4 v4.0.0-20231128162016-23f1b4e12cec/go.mod h1:aO+5iL0vTNwNfE4QMGHVIufGziSI1wTvwJY1ipSMgCk=
+github.com/iotaledger/iota.go/v4 v4.0.0-20231201103607-03a45ba3707f h1:uT4ZKAyr/wk6lHcTQifAeEPb6WfBA5tdG7kEuyW7tDU=
+github.com/iotaledger/iota.go/v4 v4.0.0-20231201103607-03a45ba3707f/go.mod h1:aO+5iL0vTNwNfE4QMGHVIufGziSI1wTvwJY1ipSMgCk=
 github.com/ipfs/boxo v0.13.1 h1:nQ5oQzcMZR3oL41REJDcTbrvDvuZh3J9ckc9+ILeRQI=
 github.com/ipfs/boxo v0.13.1/go.mod h1:btrtHy0lmO1ODMECbbEY1pxNtrLilvKSYLoGQt1yYCk=
 github.com/ipfs/go-cid v0.4.1 h1:A/T3qGvxi4kpKWWcPC/PgbvDA2bjVLO7n4UeVwnbs/s=

pkg/core/account/accounts_test.go

@@ -2,13 +2,13 @@ package account_test
 
 import (
 	"bytes"
-	"math/rand"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 
 	"github.com/iotaledger/iota-core/pkg/core/account"
 	iotago "github.com/iotaledger/iota.go/v4"
+	"github.com/iotaledger/iota.go/v4/tpkg"
 )
 
 func TestAccounts(t *testing.T) {
@@ -49,7 +49,7 @@ func TestAccounts(t *testing.T) {
 	})
 
 	// check "Get" for non existing IDs
-	_, exists := accounts.Get([32]byte{0, randByte()})
+	_, exists := accounts.Get([32]byte{0, tpkg.RandByte()})
 	require.False(t, exists)
 
 	for id, stake := range issuers {
@@ -118,7 +118,7 @@ func TestAccounts(t *testing.T) {
 	/*
 
 		// Get a non existed account
-		_, exist = accounts.Get([32]byte{randByte()})
+		_, exist = accounts.Get([32]byte{tpkg.RandByte()})
 		require.False(t, exist)
 
 	*/
@@ -131,7 +131,7 @@ func generateAccounts(count int) (map[iotago.AccountID]iotago.BaseToken, iotago.
 	var totalStake iotago.BaseToken
 
 	for i := 0; i < count; i++ {
-		id := iotago.AccountID([32]byte{randByte()})
+		id := iotago.AccountID([32]byte{tpkg.RandByte()})
 		if _, exist := seenIDs[id]; exist {
 			i--
 			continue
@@ -145,7 +145,3 @@ func generateAccounts(count int) (map[iotago.AccountID]iotago.BaseToken, iotago.
 
 	return issuers, totalStake
 }
-
-func randByte() byte {
-	return byte(rand.Intn(256))
-}

pkg/protocol/engine/accounts/accountsledger/testsuite_test.go

@@ -17,7 +17,6 @@ import (
 	"github.com/iotaledger/iota-core/pkg/protocol/engine/accounts/accountsledger"
 	"github.com/iotaledger/iota-core/pkg/protocol/engine/blocks"
 	"github.com/iotaledger/iota-core/pkg/storage/prunable/slotstore"
-	"github.com/iotaledger/iota-core/pkg/utils"
 	iotago "github.com/iotaledger/iota.go/v4"
 	"github.com/iotaledger/iota.go/v4/tpkg"
 )
@@ -326,7 +325,7 @@ func (t *TestSuite) BlockIssuerKey(alias string, createIfNotExists bool) iotago.
 		panic(fmt.Sprintf("block issuer key with alias '%s' does not exist", alias))
 	}
 
-	t.blockIssuerKeys[alias] = utils.RandBlockIssuerKey()
+	t.blockIssuerKeys[alias] = tpkg.RandBlockIssuerKey()
 
 	return t.blockIssuerKeys[alias]
 }

pkg/protocol/engine/utxoledger/iteration_test.go

@@ -9,26 +9,25 @@ import (
 	"github.com/iotaledger/hive.go/kvstore/mapdb"
 	"github.com/iotaledger/iota-core/pkg/protocol/engine/utxoledger"
 	"github.com/iotaledger/iota-core/pkg/protocol/engine/utxoledger/tpkg"
-	"github.com/iotaledger/iota-core/pkg/utils"
 	iotago "github.com/iotaledger/iota.go/v4"
 	iotago_tpkg "github.com/iotaledger/iota.go/v4/tpkg"
 )
 
 func TestUTXOComputeBalance(t *testing.T) {
 	manager := utxoledger.New(mapdb.NewMapDB(), iotago.SingleVersionProvider(iotago_tpkg.TestAPI))
 
-	initialOutput := tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputBasic, utils.RandAddress(iotago.AddressEd25519), 2_134_656_365)
+	initialOutput := tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputBasic, iotago_tpkg.RandAddress(iotago.AddressEd25519), 2_134_656_365)
 	require.NoError(t, manager.AddGenesisUnspentOutput(initialOutput))
-	require.NoError(t, manager.AddGenesisUnspentOutput(tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputAccount, utils.RandAddress(iotago.AddressAccount), 56_549_524)))
-	require.NoError(t, manager.AddGenesisUnspentOutput(tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputAnchor, utils.RandAddress(iotago.AddressAccount), 56_549_524)))
-	require.NoError(t, manager.AddGenesisUnspentOutput(tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputFoundry, utils.RandAddress(iotago.AddressAccount), 25_548_858)))
-	require.NoError(t, manager.AddGenesisUnspentOutput(tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputNFT, utils.RandAddress(iotago.AddressEd25519), 545_699_656)))
-	require.NoError(t, manager.AddGenesisUnspentOutput(tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputBasic, utils.RandAddress(iotago.AddressAccount), 626_659_696)))
+	require.NoError(t, manager.AddGenesisUnspentOutput(tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputAccount, iotago_tpkg.RandAddress(iotago.AddressAccount), 56_549_524)))
+	require.NoError(t, manager.AddGenesisUnspentOutput(tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputAnchor, iotago_tpkg.RandAddress(iotago.AddressAccount), 56_549_524)))
+	require.NoError(t, manager.AddGenesisUnspentOutput(tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputFoundry, iotago_tpkg.RandAddress(iotago.AddressAccount), 25_548_858)))
+	require.NoError(t, manager.AddGenesisUnspentOutput(tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputNFT, iotago_tpkg.RandAddress(iotago.AddressEd25519), 545_699_656)))
+	require.NoError(t, manager.AddGenesisUnspentOutput(tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputBasic, iotago_tpkg.RandAddress(iotago.AddressAccount), 626_659_696)))
 
 	index := iotago.SlotIndex(756)
 
 	outputs := utxoledger.Outputs{
-		tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputBasic, utils.RandAddress(iotago.AddressNFT), 2_134_656_365),
+		tpkg.RandLedgerStateOutputOnAddressWithAmount(iotago.OutputBasic, iotago_tpkg.RandAddress(iotago.AddressNFT), 2_134_656_365),
 	}
 
 	spents := utxoledger.Spents{
@@ -55,22 +54,22 @@ func TestUTXOIteration(t *testing.T) {
 	manager := utxoledger.New(mapdb.NewMapDB(), iotago.SingleVersionProvider(iotago_tpkg.TestAPI))
 
 	outputs := utxoledger.Outputs{
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, utils.RandAddress(iotago.AddressEd25519)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, utils.RandAddress(iotago.AddressNFT)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, utils.RandAddress(iotago.AddressAccount)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, utils.RandAddress(iotago.AddressEd25519)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, utils.RandAddress(iotago.AddressNFT)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, utils.RandAddress(iotago.AddressAccount)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, utils.RandAddress(iotago.AddressEd25519)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputNFT, utils.RandAddress(iotago.AddressEd25519)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputNFT, utils.RandAddress(iotago.AddressAccount)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputNFT, utils.RandAddress(iotago.AddressNFT)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputNFT, utils.RandAddress(iotago.AddressAccount)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputAccount, utils.RandAddress(iotago.AddressEd25519)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputAnchor, utils.RandAddress(iotago.AddressEd25519)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputFoundry, utils.RandAddress(iotago.AddressAccount)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputFoundry, utils.RandAddress(iotago.AddressAccount)),
-		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputFoundry, utils.RandAddress(iotago.AddressAccount)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, iotago_tpkg.RandAddress(iotago.AddressEd25519)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, iotago_tpkg.RandAddress(iotago.AddressNFT)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, iotago_tpkg.RandAddress(iotago.AddressAccount)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, iotago_tpkg.RandAddress(iotago.AddressEd25519)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, iotago_tpkg.RandAddress(iotago.AddressNFT)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, iotago_tpkg.RandAddress(iotago.AddressAccount)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputBasic, iotago_tpkg.RandAddress(iotago.AddressEd25519)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputNFT, iotago_tpkg.RandAddress(iotago.AddressEd25519)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputNFT, iotago_tpkg.RandAddress(iotago.AddressAccount)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputNFT, iotago_tpkg.RandAddress(iotago.AddressNFT)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputNFT, iotago_tpkg.RandAddress(iotago.AddressAccount)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputAccount, iotago_tpkg.RandAddress(iotago.AddressEd25519)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputAnchor, iotago_tpkg.RandAddress(iotago.AddressEd25519)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputFoundry, iotago_tpkg.RandAddress(iotago.AddressAccount)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputFoundry, iotago_tpkg.RandAddress(iotago.AddressAccount)),
+		tpkg.RandLedgerStateOutputOnAddress(iotago.OutputFoundry, iotago_tpkg.RandAddress(iotago.AddressAccount)),
 	}
 
 	index := iotago.SlotIndex(756)

pkg/protocol/engine/utxoledger/output_test.go

@@ -15,7 +15,6 @@ import (
 	"github.com/iotaledger/hive.go/serializer/v2/byteutils"
 	"github.com/iotaledger/iota-core/pkg/protocol/engine/utxoledger"
 	"github.com/iotaledger/iota-core/pkg/protocol/engine/utxoledger/tpkg"
-	"github.com/iotaledger/iota-core/pkg/utils"
 	iotago "github.com/iotaledger/iota.go/v4"
 	iotago_tpkg "github.com/iotaledger/iota.go/v4/tpkg"
 )
@@ -108,7 +107,7 @@ func CreateOutputAndAssertSerialization(t *testing.T, blockID iotago.BlockID, in
 }
 
 func CreateSpentAndAssertSerialization(t *testing.T, output *utxoledger.Output) *utxoledger.Spent {
-	transactionID := utils.RandTransactionID()
+	transactionID := iotago_tpkg.RandTransactionID()
 
 	indexSpent := iotago.SlotIndex(6788362)
 
@@ -128,13 +127,13 @@ func CreateSpentAndAssertSerialization(t *testing.T, output *utxoledger.Output)
 
 func TestBasicOutputOnEd25519WithoutSpendConstraintsSerialization(t *testing.T) {
 	txCommitment := iotago_tpkg.Rand32ByteArray()
-	txCreationSlot := utils.RandSlotIndex()
-	blockID := utils.RandBlockID()
-	address := utils.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
-	senderAddress := utils.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
-	tag := utils.RandBytes(23)
+	txCreationSlot := iotago_tpkg.RandSlot()
+	blockID := iotago_tpkg.RandBlockID()
+	address := iotago_tpkg.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
+	senderAddress := iotago_tpkg.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
+	tag := iotago_tpkg.RandBytes(23)
 	amount := iotago_tpkg.RandBaseToken(iotago.MaxBaseToken)
-	index := utils.RandSlotIndex()
+	index := iotago_tpkg.RandSlot()
 
 	iotaOutput := &iotago.BasicOutput{
 		Amount: amount,
@@ -166,13 +165,13 @@ func TestBasicOutputOnEd25519WithoutSpendConstraintsSerialization(t *testing.T)
 
 func TestBasicOutputOnEd25519WithSpendConstraintsSerialization(t *testing.T) {
 	txCommitment := iotago_tpkg.Rand32ByteArray()
-	txCreationSlot := utils.RandSlotIndex()
-	blockID := utils.RandBlockID()
-	address := utils.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
-	senderAddress := utils.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
+	txCreationSlot := iotago_tpkg.RandSlot()
+	blockID := iotago_tpkg.RandBlockID()
+	address := iotago_tpkg.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
+	senderAddress := iotago_tpkg.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
 	amount := iotago_tpkg.RandBaseToken(iotago.MaxBaseToken)
-	index := utils.RandSlotIndex()
-	timeLockUnlockSlot := utils.RandSlotIndex()
+	index := iotago_tpkg.RandSlot()
+	timeLockUnlockSlot := iotago_tpkg.RandSlot()
 
 	iotaOutput := &iotago.BasicOutput{
 		Amount: amount,
@@ -205,12 +204,12 @@ func TestBasicOutputOnEd25519WithSpendConstraintsSerialization(t *testing.T) {
 
 func TestNFTOutputSerialization(t *testing.T) {
 	txCommitment := iotago_tpkg.Rand32ByteArray()
-	txCreationSlot := utils.RandSlotIndex()
-	blockID := utils.RandBlockID()
-	address := utils.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
-	nftID := utils.RandNFTID()
+	txCreationSlot := iotago_tpkg.RandSlot()
+	blockID := iotago_tpkg.RandBlockID()
+	address := iotago_tpkg.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
+	nftID := iotago_tpkg.RandNFTID()
 	amount := iotago_tpkg.RandBaseToken(iotago.MaxBaseToken)
-	index := utils.RandSlotIndex()
+	index := iotago_tpkg.RandSlot()
 
 	iotaOutput := &iotago.NFTOutput{
 		Amount: amount,
@@ -224,7 +223,7 @@ func TestNFTOutputSerialization(t *testing.T) {
 		ImmutableFeatures: iotago.NFTOutputImmFeatures{
 			&iotago.MetadataFeature{
 				Entries: iotago.MetadataFeatureEntries{
-					"data": utils.RandBytes(12),
+					"data": iotago_tpkg.RandBytes(12),
 				},
 			},
 		},
@@ -243,14 +242,14 @@ func TestNFTOutputSerialization(t *testing.T) {
 
 func TestNFTOutputWithSpendConstraintsSerialization(t *testing.T) {
 	txCommitment := iotago_tpkg.Rand32ByteArray()
-	txCreationSlot := utils.RandSlotIndex()
-	blockID := utils.RandBlockID()
-	address := utils.RandNFTID()
-	issuerAddress := utils.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
-	nftID := utils.RandNFTID()
+	txCreationSlot := iotago_tpkg.RandSlot()
+	blockID := iotago_tpkg.RandBlockID()
+	address := iotago_tpkg.RandNFTID()
+	issuerAddress := iotago_tpkg.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
+	nftID := iotago_tpkg.RandNFTID()
 	amount := iotago_tpkg.RandBaseToken(iotago.MaxBaseToken)
-	index := utils.RandSlotIndex()
-	expirationUnlockSlot := utils.RandSlotIndex()
+	index := iotago_tpkg.RandSlot()
+	expirationUnlockSlot := iotago_tpkg.RandSlot()
 
 	iotaOutput := &iotago.NFTOutput{
 		Amount: amount,
@@ -268,7 +267,7 @@ func TestNFTOutputWithSpendConstraintsSerialization(t *testing.T) {
 		ImmutableFeatures: iotago.NFTOutputImmFeatures{
 			&iotago.MetadataFeature{
 				Entries: iotago.MetadataFeatureEntries{
-					"data": utils.RandBytes(12),
+					"data": iotago_tpkg.RandBytes(12),
 				},
 			},
 			&iotago.IssuerFeature{
@@ -290,14 +289,14 @@ func TestNFTOutputWithSpendConstraintsSerialization(t *testing.T) {
 
 func TestAccountOutputSerialization(t *testing.T) {
 	txCommitment := iotago_tpkg.Rand32ByteArray()
-	txCreationSlot := utils.RandSlotIndex()
-	blockID := utils.RandBlockID()
-	aliasID := utils.RandAccountID()
-	address := utils.RandAccountID().ToAddress()
-	issuer := utils.RandNFTID()
-	sender := utils.RandAccountID()
+	txCreationSlot := iotago_tpkg.RandSlot()
+	blockID := iotago_tpkg.RandBlockID()
+	aliasID := iotago_tpkg.RandAccountID()
+	address := iotago_tpkg.RandAccountID().ToAddress()
+	issuer := iotago_tpkg.RandNFTID()
+	sender := iotago_tpkg.RandAccountID()
 	amount := iotago_tpkg.RandBaseToken(iotago.MaxBaseToken)
-	index := utils.RandSlotIndex()
+	index := iotago_tpkg.RandSlot()
 
 	iotaOutput := &iotago.AccountOutput{
 		Amount:    amount,
@@ -332,15 +331,15 @@ func TestAccountOutputSerialization(t *testing.T) {
 
 func TestAnchorOutputSerialization(t *testing.T) {
 	txCommitment := iotago_tpkg.Rand32ByteArray()
-	txCreationSlot := utils.RandSlotIndex()
-	blockID := utils.RandBlockID()
-	aliasID := utils.RandAnchorID()
-	stateController := utils.RandAnchorID()
-	governor := utils.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
-	issuer := utils.RandNFTID()
-	sender := utils.RandAnchorID()
+	txCreationSlot := iotago_tpkg.RandSlot()
+	blockID := iotago_tpkg.RandBlockID()
+	aliasID := iotago_tpkg.RandAnchorID()
+	stateController := iotago_tpkg.RandAnchorID()
+	governor := iotago_tpkg.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
+	issuer := iotago_tpkg.RandNFTID()
+	sender := iotago_tpkg.RandAnchorID()
 	amount := iotago_tpkg.RandBaseToken(iotago.MaxBaseToken)
-	index := utils.RandSlotIndex()
+	index := iotago_tpkg.RandSlot()
 
 	iotaOutput := &iotago.AnchorOutput{
 		Amount:   amount,
@@ -378,16 +377,16 @@ func TestAnchorOutputSerialization(t *testing.T) {
 
 func TestFoundryOutputSerialization(t *testing.T) {
 	txCommitment := iotago_tpkg.Rand32ByteArray()
-	txCreationSlot := utils.RandSlotIndex()
-	blockID := utils.RandBlockID()
-	aliasID := utils.RandAccountID()
+	txCreationSlot := iotago_tpkg.RandSlot()
+	blockID := iotago_tpkg.RandBlockID()
+	aliasID := iotago_tpkg.RandAccountID()
 	amount := iotago_tpkg.RandBaseToken(iotago.MaxBaseToken)
-	index := utils.RandSlotIndex()
+	index := iotago_tpkg.RandSlot()
 	supply := new(big.Int).SetUint64(iotago_tpkg.RandUint64(math.MaxUint64))
 
 	iotaOutput := &iotago.FoundryOutput{
 		Amount:       amount,
-		SerialNumber: utils.RandUint32(math.MaxUint32),
+		SerialNumber: iotago_tpkg.RandUint32(math.MaxUint32),
 		TokenScheme: &iotago.SimpleTokenScheme{
 			MintedTokens:  supply,
 			MeltedTokens:  new(big.Int).SetBytes([]byte{0}),
@@ -415,17 +414,17 @@ func TestFoundryOutputSerialization(t *testing.T) {
 
 func TestDelegationOutputSerialization(t *testing.T) {
 	txCommitment := iotago_tpkg.Rand32ByteArray()
-	txCreationSlot := utils.RandSlotIndex()
-	blockID := utils.RandBlockID()
-	address := utils.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
+	txCreationSlot := iotago_tpkg.RandSlot()
+	blockID := iotago_tpkg.RandBlockID()
+	address := iotago_tpkg.RandAddress(iotago.AddressEd25519).(*iotago.Ed25519Address)
 	amount := iotago_tpkg.RandBaseToken(iotago.MaxBaseToken)
-	index := utils.RandSlotIndex()
+	index := iotago_tpkg.RandSlot()
 
 	iotaOutput := &iotago.DelegationOutput{
 		Amount:           amount,
 		DelegatedAmount:  amount,
 		DelegationID:     iotago_tpkg.RandDelegationID(),
-		ValidatorAddress: utils.RandAddress(iotago.AddressAccount).(*iotago.AccountAddress),
+		ValidatorAddress: iotago_tpkg.RandAddress(iotago.AddressAccount).(*iotago.AccountAddress),
 		StartEpoch:       iotago_tpkg.RandEpoch(),
 		UnlockConditions: iotago.DelegationOutputUnlockConditions{
 			&iotago.AddressUnlockCondition{