SecretStore: tx retry pattern (#7323)

* SecretStore: auto migrate initial commit

* SecretStore: flush automigrate

* SecretStore: debug flush

* SecretStore: added migration to KeyServerSet contract

* SecretStore: flush automigrate

* SecretStore: flush before testing

* SecretStore: flush

* SecretStore: flush

* SecretStore: bunch of tests for simple ConnectionTrigger && KeyServerSet

* SecretStore: started work on TriggerWithMigration tests

* SecretStore: maintain_session tests

* SecretStore: updated some comments

* SecretStore pass migration_id to ServerSetChangeSession

* SecretStore: fixed lock scope

* SecretStore: fixed error response condition

* SecretStore: fixed ServerSetChange session auto-creation

* SecretStore: update active migration in connector

* removed commented code

* SecretStore: fixed tests compilation

* SecretStore: marked test-related unimplemented-s

* SecretStore: labeled all SS TODOs

* SecretStore: do not read auto-migration stuff when auto-migration is disabled + stripped KeyServerSet contract ABI

* SecretStore: ignore duplicated addresses in KeyServerSet

* fied compilation

* SecretStore: wait for N block confirmations before starting auto-migration

* SecretStore: more tests for migration delay

* SecretStore: clear current nodes set when KSS contract is uninstalled

* SecretStore: retry transaction interval

parity/cli/mod.rs

@@ -556,6 +556,10 @@ usage! {
 			"--no-acl-check",
 			"Disable ACL check (useful for test environments).",
 
+			FLAG flag_no_secretstore_auto_migrate: (bool) = false, or |c: &Config| otry!(c.secretstore).disable_auto_migrate.clone(),
+			"--no-secretstore-auto-migrate",
+			"Do not run servers set change session automatically when servers set changes. This option has no effect when servers set is read from configuration file.",
+
 			ARG arg_secretstore_contract: (String) = "none", or |c: &Config| otry!(c.secretstore).service_contract.clone(),
 			"--secretstore-contract=[SOURCE]",
 			"Secret Store Service contract address source: none, registry (contract address is read from registry) or address.",
@@ -589,7 +593,7 @@ usage! {
 			"Hex-encoded secret key of this node.",
 
 			ARG arg_secretstore_admin_public: (Option<String>) = None, or |c: &Config| otry!(c.secretstore).admin_public.clone(),
-			"--secretstore-admin-public=[PUBLIC]",
+			"--secretstore-admin=[PUBLIC]",
 			"Hex-encoded public key of secret store administrator.",
 
 		["Sealing/Mining options"]
@@ -1111,6 +1115,7 @@ struct SecretStore {
 	disable: Option<bool>,
 	disable_http: Option<bool>,
 	disable_acl_check: Option<bool>,
+	disable_auto_migrate: Option<bool>,
 	service_contract: Option<String>,
 	self_secret: Option<String>,
 	admin_public: Option<String>,
@@ -1519,9 +1524,11 @@ mod tests {
 			arg_dapps_path: "$HOME/.parity/dapps".into(),
 			flag_no_dapps: false,
 
+			// SECRETSTORE
 			flag_no_secretstore: false,
 			flag_no_secretstore_http: false,
 			flag_no_secretstore_acl_check: false,
+			flag_no_secretstore_auto_migrate: false,
 			arg_secretstore_contract: "none".into(),
 			arg_secretstore_secret: None,
 			arg_secretstore_admin_public: None,
@@ -1773,6 +1780,7 @@ mod tests {
 				disable: None,
 				disable_http: None,
 				disable_acl_check: None,
+				disable_auto_migrate: None,
 				service_contract: None,
 				self_secret: None,
 				admin_public: None,

parity/configuration.rs

@@ -610,6 +610,7 @@ impl Configuration {
 			enabled: self.secretstore_enabled(),
 			http_enabled: self.secretstore_http_enabled(),
 			acl_check_enabled: self.secretstore_acl_check_enabled(),
+			auto_migrate_enabled: self.secretstore_auto_migrate_enabled(),
 			service_contract_address: self.secretstore_service_contract_address()?,
 			self_secret: self.secretstore_self_secret()?,
 			nodes: self.secretstore_nodes()?,
@@ -1088,6 +1089,10 @@ impl Configuration {
 		!self.args.flag_no_secretstore_acl_check
 	}
 
+	fn secretstore_auto_migrate_enabled(&self) -> bool {
+		!self.args.flag_no_secretstore_auto_migrate
+	}
+
 	fn secretstore_service_contract_address(&self) -> Result<Option<SecretStoreContractAddress>, String> {
 		Ok(match self.args.arg_secretstore_contract.as_ref() {
 			"none" => None,

parity/secretstore.rs

@@ -51,6 +51,8 @@ pub struct Configuration {
 	pub http_enabled: bool,
 	/// Is ACL check enabled.
 	pub acl_check_enabled: bool,
+	/// Is auto migrate enabled.
+	pub auto_migrate_enabled: bool,
 	/// Service contract address.
 	pub service_contract_address: Option<ContractAddress>,
 	/// This node secret.
@@ -166,6 +168,7 @@ mod server {
 					})).collect(),
 					allow_connecting_to_higher_nodes: true,
 					admin_public: conf.admin_public,
+					auto_migrate_enabled: conf.auto_migrate_enabled,
 				},
 			};
 
@@ -190,6 +193,7 @@ impl Default for Configuration {
 			enabled: true,
 			http_enabled: true,
 			acl_check_enabled: true,
+			auto_migrate_enabled: true,
 			service_contract_address: None,
 			self_secret: None,
 			admin_public: None,