diff --git a/alphabet/alphabet_contract.go b/alphabet/alphabet_contract.go
index d6c2113..e90d6d7 100644
--- a/alphabet/alphabet_contract.go
+++ b/alphabet/alphabet_contract.go
@@ -33,7 +33,16 @@ func OnNEP17Payment(from interop.Hash160, amount int, data interface{}) {
 	}
 }
 
-func Init(notaryDisabled bool, owner interop.Hash160, addrNetmap, addrProxy interop.Hash160, name string, index, total int) {
+func _deploy(data interface{}, isUpdate bool) {
+	args := data.([]interface{})
+	notaryDisabled := args[0].(bool)
+	owner := args[1].(interop.Hash160)
+	addrNetmap := args[2].(interop.Hash160)
+	addrProxy := args[3].(interop.Hash160)
+	name := args[4].(string)
+	index := args[5].(int)
+	total := args[6].(int)
+
 	ctx := storage.GetContext()
 
 	if !common.HasUpdateAccess(ctx) {
diff --git a/audit/audit_contract.go b/audit/audit_contract.go
index 3ba24e1..297cd36 100644
--- a/audit/audit_contract.go
+++ b/audit/audit_contract.go
@@ -42,7 +42,12 @@ const (
 	notaryDisabledKey = "notary"
 )
 
-func Init(notaryDisabled bool, owner interop.Hash160, addrNetmap interop.Hash160) {
+func _deploy(data interface{}, isUpdate bool) {
+	args := data.([]interface{})
+	notaryDisabled := args[0].(bool)
+	owner := args[1].(interop.Hash160)
+	addrNetmap := args[2].(interop.Hash160)
+
 	ctx := storage.GetContext()
 
 	if !common.HasUpdateAccess(ctx) {
diff --git a/balance/balance_contract.go b/balance/balance_contract.go
index 8e223ce..6f7d667 100644
--- a/balance/balance_contract.go
+++ b/balance/balance_contract.go
@@ -63,7 +63,13 @@ func init() {
 	token = CreateToken()
 }
 
-func Init(notaryDisabled bool, owner, addrNetmap, addrContainer interop.Hash160) {
+func _deploy(data interface{}, isUpdate bool) {
+	args := data.([]interface{})
+	notaryDisabled := args[0].(bool)
+	owner := args[1].(interop.Hash160)
+	addrNetmap := args[2].(interop.Hash160)
+	addrContainer := args[3].(interop.Hash160)
+
 	ctx := storage.GetContext()
 
 	if !common.HasUpdateAccess(ctx) {
diff --git a/container/container_contract.go b/container/container_contract.go
index ecae9f6..17fe13f 100644
--- a/container/container_contract.go
+++ b/container/container_contract.go
@@ -55,7 +55,14 @@ var (
 	eACLPrefix = []byte("eACL")
 )
 
-func Init(notaryDisabled bool, owner, addrNetmap, addrBalance, addrID interop.Hash160) {
+func _deploy(data interface{}, isUpdate bool) {
+	args := data.([]interface{})
+	notaryDisabled := args[0].(bool)
+	owner := args[1].(interop.Hash160)
+	addrNetmap := args[2].(interop.Hash160)
+	addrBalance := args[3].(interop.Hash160)
+	addrID := args[4].(interop.Hash160)
+
 	ctx := storage.GetContext()
 
 	if !common.HasUpdateAccess(ctx) {
diff --git a/neofs/neofs_contract.go b/neofs/neofs_contract.go
index f114c02..31a334d 100644
--- a/neofs/neofs_contract.go
+++ b/neofs/neofs_contract.go
@@ -76,8 +76,14 @@ var (
 	configPrefix = []byte("config")
 )
 
-// Init set up initial alphabet node keys.
-func Init(notaryDisabled bool, owner, addrProc interop.Hash160, args []interop.PublicKey) bool {
+// _deploy sets up initial alphabet node keys.
+func _deploy(data interface{}, isUpdate bool) {
+	args := data.([]interface{})
+	notaryDisabled := args[0].(bool)
+	owner := args[1].(interop.Hash160)
+	addrProc := args[2].(interop.Hash160)
+	keys := args[3].([]interop.PublicKey)
+
 	ctx := storage.GetContext()
 
 	if !common.HasUpdateAccess(ctx) {
@@ -86,7 +92,7 @@ func Init(notaryDisabled bool, owner, addrProc interop.Hash160, args []interop.P
 
 	var irList []common.IRNode
 
-	if len(args) == 0 {
+	if len(keys) == 0 {
 		panic("neofs: at least one alphabet key must be provided")
 	}
 
@@ -94,8 +100,8 @@ func Init(notaryDisabled bool, owner, addrProc interop.Hash160, args []interop.P
 		panic("neofs: incorrect length of contract script hash")
 	}
 
-	for i := 0; i < len(args); i++ {
-		pub := args[i]
+	for i := 0; i < len(keys); i++ {
+		pub := keys[i]
 		if len(pub) != publicKeySize {
 			panic("neofs: incorrect public key length")
 		}
@@ -117,8 +123,6 @@ func Init(notaryDisabled bool, owner, addrProc interop.Hash160, args []interop.P
 	}
 
 	runtime.Log("neofs: contract initialized")
-
-	return true
 }
 
 // Migrate updates smart contract execution script and manifest.
diff --git a/neofsid/neofsid_contract.go b/neofsid/neofsid_contract.go
index 8d0553f..c5bac93 100644
--- a/neofsid/neofsid_contract.go
+++ b/neofsid/neofsid_contract.go
@@ -24,7 +24,13 @@ const (
 	notaryDisabledKey    = "notary"
 )
 
-func Init(notaryDisabled bool, owner, addrNetmap, addrContainer interop.Hash160) {
+func _deploy(data interface{}, isUpdate bool) {
+	args := data.([]interface{})
+	notaryDisabled := args[0].(bool)
+	owner := args[1].(interop.Hash160)
+	addrNetmap := args[2].(interop.Hash160)
+	addrContainer := args[3].(interop.Hash160)
+
 	ctx := storage.GetContext()
 
 	if !common.HasUpdateAccess(ctx) {
diff --git a/netmap/netmap_contract.go b/netmap/netmap_contract.go
index e87842e..5684fb9 100644
--- a/netmap/netmap_contract.go
+++ b/netmap/netmap_contract.go
@@ -58,9 +58,15 @@ var (
 	configPrefix = []byte("config")
 )
 
-// Init function sets up initial list of inner ring public keys and should
-// be invoked once at neofs infrastructure setup.
-func Init(notaryDisabled bool, owner, addrBalance, addrContainer interop.Hash160, keys []interop.PublicKey) {
+// _deploy function sets up initial list of inner ring public keys.
+func _deploy(data interface{}, isUpdate bool) {
+	args := data.([]interface{})
+	notaryDisabled := args[0].(bool)
+	owner := args[1].(interop.Hash160)
+	addrBalance := args[2].(interop.Hash160)
+	addrContainer := args[3].(interop.Hash160)
+	keys := args[4].([]interop.PublicKey)
+
 	ctx := storage.GetContext()
 
 	if !common.HasUpdateAccess(ctx) {
diff --git a/processing/processing_contract.go b/processing/processing_contract.go
index fe52eb4..9d7b705 100644
--- a/processing/processing_contract.go
+++ b/processing/processing_contract.go
@@ -25,7 +25,11 @@ func OnNEP17Payment(from interop.Hash160, amount int, data interface{}) {
 	}
 }
 
-func Init(owner, addrNeoFS interop.Hash160) {
+func _deploy(data interface{}, isUpdate bool) {
+	arr := data.([]interop.Hash160)
+	owner := arr[0]
+	addrNeoFS := arr[1]
+
 	ctx := storage.GetContext()
 
 	if !common.HasUpdateAccess(ctx) {
diff --git a/proxy/proxy_contract.go b/proxy/proxy_contract.go
index 60ca52c..953e009 100644
--- a/proxy/proxy_contract.go
+++ b/proxy/proxy_contract.go
@@ -23,7 +23,11 @@ func OnNEP17Payment(from interop.Hash160, amount int, data interface{}) {
 	}
 }
 
-func Init(owner, addrNetmap interop.Hash160) {
+func _deploy(data interface{}, isUpdate bool) {
+	args := data.([]interface{})
+	owner := args[0].(interop.Hash160)
+	addrNetmap := args[1].(interop.Hash160)
+
 	ctx := storage.GetContext()
 
 	if !common.HasUpdateAccess(ctx) {
diff --git a/reputation/reputation_contract.go b/reputation/reputation_contract.go
index 59740e6..60d050c 100644
--- a/reputation/reputation_contract.go
+++ b/reputation/reputation_contract.go
@@ -16,7 +16,11 @@ const (
 	version = 1
 )
 
-func Init(notaryDisabled bool, owner interop.Hash160) {
+func _deploy(data interface{}, isUpdate bool) {
+	args := data.([]interface{})
+	notaryDisabled := args[0].(bool)
+	owner := args[1].(interop.Hash160)
+
 	ctx := storage.GetContext()
 
 	if !common.HasUpdateAccess(ctx) {