[#1065] adm: Add support EC parameters

Signed-off-by: Alexander Chuprov <a.chuprov@yadro.com>

cmd/frostfs-adm/internal/modules/config/config.go

@@ -21,6 +21,8 @@ type configTemplate struct {
 	CandidateFee            int
 	ContainerFee            int
 	ContainerAliasFee       int
+	MaxECDataCount          int
+	MaxECParityCount        int
 	WithdrawFee             int
 	Glagolitics             []string
 	HomomorphicHashDisabled bool
@@ -31,6 +33,8 @@ alphabet-wallets: {{ .AlphabetDir}}
 network:
   max_object_size: {{ .MaxObjectSize}}
   epoch_duration: {{ .EpochDuration}}
+  max_ec_data_count: {{ .MaxECDataCount}}
+  max_ec_parity_count: {{ .MaxECParityCount}}
   homomorphic_hash_disabled: {{ .HomomorphicHashDisabled}}
   fee:
     candidate: {{ .CandidateFee}}
@@ -106,6 +110,8 @@ func generateConfigExample(appDir string, credSize int) (string, error) {
 	tmpl := configTemplate{
 		Endpoint:                "https://neo.rpc.node:30333",
 		MaxObjectSize:           67108864,      // 64 MiB
+		MaxECDataCount:          12,            // Tested with 16-node networks, assuming 12 data + 4 parity nodes.
+		MaxECParityCount:        4,             // Maximum 4 parity chunks, typically <= 3 for most policies.
 		EpochDuration:           240,           // 1 hour with 15s per block
 		HomomorphicHashDisabled: false,         // object homomorphic hash is enabled
 		CandidateFee:            100_0000_0000, // 100.0 GAS (Fixed8)