diff --git a/auto_migrate/.gitignore b/auto_migrate/.gitignore
new file mode 100644
index 0000000..2fa5f91
--- /dev/null
+++ b/auto_migrate/.gitignore
@@ -0,0 +1,5 @@
+db.*
+poa_*
+password_file
+validators_set_contract*
+node_modules
\ No newline at end of file
diff --git a/auto_migrate/config_generate_contract.sh b/auto_migrate/config_generate_contract.sh
new file mode 100755
index 0000000..f96540f
--- /dev/null
+++ b/auto_migrate/config_generate_contract.sh
@@ -0,0 +1,314 @@
+#!/bin/bash
+
+# Deploys PoA network with next parameters:
+# 1) NUM_AUTHORITIES authorities nodes
+# 2) NUM_REGULAR regular nodes
+# 3) every authority node is running a key server = single SS
+
+# Simplest case - auto-migrate when adding a node:
+# 1) deploy 'secretstore_server_set' contract
+# 2) register contract from (1) under 'secretstore_server_set' name
+# 3) add 2 nodes to this contract
+# 4) generate key
+# 5) add node to the contract
+# 6) make sure that key is auto-migrated
+
+function join_by { local IFS="$1"; shift; echo "$*"; }
+
+NUM_AUTHORITIES=3
+NUM_REGULAR=0
+NUM_NODES=$(($NUM_AUTHORITIES+$NUM_REGULAR))
+UI_PORT_BASE=8180
+RPC_PORT_BASE=8545
+WS_PORT_BASE=8600
+NETWORK_PORT_BASE=10000
+SSTORE_INTERNAL_PORT_BASE=12000
+SSTORE_HTTP_PORT_BASE=13000
+
+###############################################################################
+### generate keys #############################################################
+###############################################################################
+rm -rf db.*
+rm -rf *.toml
+for i in `seq 1 $NUM_NODES`
+do
+	openssl ecparam -name secp256k1 -genkey -noout | openssl ec -text -noout > key 2>/dev/null
+	ui_port[i]=$(($UI_PORT_BASE+$i-1))
+	rpc_port[i]=$(($RPC_PORT_BASE+$i-1))
+	ws_port[i]=$(($WS_PORT_BASE+$i-1))
+	network_port[i]=$(($NETWORK_PORT_BASE+$i-1))
+	secret[i]=`cat key | grep priv -A 3 | tail -n +2 | tr -d '\n[:space:]:' | sed 's/^00//'|xargs -0 printf "%64s"|tr ' ' '0'`
+	public[i]=`cat key | grep pub -A 5 | tail -n +2 | tr -d '\n[:space:]:' | sed 's/^04//'|xargs -0 printf "%64s"|tr ' ' '0'`
+	enode[i]="\"enode://${public[i]}@127.0.0.1:${network_port[i]}\""
+	if [ "$i" -le "$NUM_AUTHORITIES" ]; then
+		sstore_internal_port[i]=$(($SSTORE_INTERNAL_PORT_BASE+$i-1))
+		sstore_http_port[i]=$(($SSTORE_HTTP_PORT_BASE+$i-1))
+		if [ "$i" -eq 1 ]; then
+			sstore_http_port[i]=8082
+		fi
+		ssnode[i]="\"${public[i]}@127.0.0.1:${sstore_internal_port[i]}\""
+	fi
+
+	openssl ecparam -name secp256k1 -genkey -noout | openssl ec -text -noout > key 2>/dev/null
+	account_secret[i]=`cat key | grep priv -A 3 | tail -n +2 | tr -d '\n[:space:]:' | sed 's/^00//'|xargs -0 printf "%64s"|tr ' ' '0'`
+	account_public[i]=`cat key | grep pub -A 5 | tail -n +2 | tr -d '\n[:space:]:' | sed 's/^04//'|xargs -0 printf "%64s"|tr ' ' '0'`
+done
+rm key
+
+###############################################################################
+### insert accounts && password file ##########################################
+###############################################################################
+solidity_validators_list=""
+json_validators_list=""
+json_acccounts_list=""
+echo password>password_file
+for i in `seq 1 $NUM_NODES`
+do
+	address=`../ethstore insert ${secret[i]} password_file --dir db.poa_ss${i}/keys/POA`
+	addresses[i]=$address
+	comma=","
+	if [ "$i" -eq 1 ]; then
+		comma=""
+	fi
+	if [ "$i" -le "$NUM_AUTHORITIES" ]; then
+		solidity_address=`node -p "var Web3 = require('web3'); var web3 = new Web3(); web3.utils.toChecksumAddress('${address}')"`
+        solidity_validators_list="${solidity_validators_list}${comma}${solidity_address}"
+		json_validator="\"${address}\""
+		json_validators_list="${json_validators_list}${comma}${json_validator}"
+		json_account="\"${address}\": { \"balance\": \"1000\" }"
+		json_acccounts_list="${json_acccounts_list}${comma}${json_account}"
+	fi
+
+	address=`../ethstore insert ${account_secret[i]} password_file --dir db.poa_ss${i}/keys/POA`
+	account_address[i]=address
+	json_account="\"${address}\": { \"balance\": \"10000000000000000000000000000000000000000000000000\" }"
+	json_acccounts_list="${json_acccounts_list},${json_account}"
+done
+
+###############################################################################
+### generate config files for authorities nodes ###############################
+###############################################################################
+for i in `seq 1 $NUM_AUTHORITIES`
+do
+	self_enode=${enode[i]}
+	bootnodes=("${enode[@]/$self_enode}")
+	bootnodes=$(join_by , ${bootnodes[@]})
+	self_ssnode=${ssnode[i]}
+	ssnodes=("${ssnode[@]/$self_ssnode}")
+	ssnodes=$(join_by , ${ssnodes[@]})
+	disable_ui="false"
+	force_ui="true"
+#	if [ "$i" -eq 1 ]; then
+#		disable_ui="false"
+#		force_ui="true"
+#	fi
+	config_contents="
+# node#$i
+# self_secret: ${secret[i]}
+# self_public: ${public[i]}
+
+[parity]
+chain = \"poa_chain.json\"
+base_path = \"db.poa_ss${i}\"
+
+[ui]
+force = $force_ui
+disable = $disable_ui
+port = ${ui_port[i]}
+
+[rpc]
+disable = $disable_ui
+port = ${rpc_port[i]}
+apis = [\"all\"]
+
+[websockets]
+disable = $disable_ui
+port = ${ws_port[i]}
+apis = [\"all\"]
+
+[ipc]
+disable = true
+
+[dapps]
+disable = $disable_ui
+
+[network]
+port = ${network_port[i]}
+node_key = \"${secret[i]}\"
+bootnodes = [$bootnodes]
+
+[ipfs]
+enable = false
+
+[snapshots]
+disable_periodic = true
+
+[secretstore]
+disable = false
+disable_acl_check = true
+self_secret = \"${secret[i]}\"
+nodes = [$ssnodes]
+interface = \"local\"
+port = ${sstore_internal_port[i]}
+http_interface = \"local\"
+http_port = ${sstore_http_port[i]}
+path = \"db.poa_ss${i}/secretstore\"
+
+[mining]
+author = \"${addresses[i]}\"
+engine_signer = \"${addresses[i]}\"
+force_sealing = true
+
+[account]
+unlock = [\"${addresses[i]}\"]
+password = [\"password_file\"]
+"
+	echo "$config_contents" >"poa_ss${i}.toml"
+done
+
+###############################################################################
+### generate config files for regular nodes ###################################
+###############################################################################
+
+for i in `seq 1 $NUM_REGULAR`
+do
+	j=$(($NUM_AUTHORITIES+$i))
+	self_enode=${enode[j]}
+	bootnodes=("${enode[@]/$self_enode}")
+	bootnodes=$(join_by , ${bootnodes[@]})
+	disable_ui="true"
+	force_ui="false"
+	config_contents="
+# node#$j
+# self_secret: ${secret[j]}
+# self_public: ${public[j]}
+
+[parity]
+chain = \"poa_chain.json\"
+base_path = \"db.poa_ss${j}\"
+
+[ui]
+force = $force_ui
+disable = $disable_ui
+port = ${ui_port[j]}
+
+[rpc]
+disable = $disable_ui
+port = ${rpc_port[i]}
+apis = [\"all\"]
+
+[websockets]
+disable = $disable_ui
+port = ${ws_port[i]}
+apis = [\"all\"]
+
+[ipc]
+disable = true
+
+[dapps]
+disable = $disable_ui
+
+[network]
+port = ${network_port[j]}
+node_key = \"${secret[j]}\"
+bootnodes = [$bootnodes]
+
+[ipfs]
+enable = false
+
+[snapshots]
+disable_periodic = true
+"
+	echo "$config_contents" >"poa_ss${j}.toml"
+done
+
+###############################################################################
+### create validators set contract ############################################
+###############################################################################
+
+validators_set_contract='
+pragma solidity ^0.4.8;
+
+contract ValidatorSet {
+    event InitiateChange(bytes32 indexed _parent_hash, address[] _new_set);
+
+    function getValidators() constant returns (address[] _validators);
+    function finalizeChange();
+}
+
+contract MajorityList is ValidatorSet {
+    address[] public validatorsList;
+
+    function MajorityList() {
+        validatorsList = [validators_list];
+    }
+
+    function getValidators() constant returns (address[]) {
+        return validatorsList;
+    }
+
+    function finalizeChange() {
+    }
+}
+'
+validators_set_contract="${validators_set_contract/validators_list/$solidity_validators_list}"
+
+echo "$validators_set_contract" > "validators_set_contract.sol"
+solcjs --optimize --bin validators_set_contract.sol >/dev/null
+validators_set_contract_bin=`cat validators_set_contract_sol_MajorityList.bin`
+
+###############################################################################
+### create chain config file ##################################################
+###############################################################################
+poa_chain_contents='
+{
+	"name": "POA",
+	"dataDir": "POA",
+	"engine": {
+		"authorityRound": {
+			"params": {
+			"stepDuration": "4",
+			"blockReward": "0x4563918244F40000",
+				"validators" : {
+					"contract": "0x0000000000000000000000000000000000000006"
+				},
+				"validateScoreTransition": 1000000,
+				"validateStepTransition": 1500000
+			}
+		}
+	},
+	"params": {
+		"gasLimitBoundDivisor": "0x400",
+		"registrar" : "0x0000000000000000000000000000000000000005",
+		"maximumExtraDataSize": "0x20",
+		"minGasLimit": "0x1388",
+		"networkID" : "0x2A",
+		"validateReceiptsTransition" : 1000000,
+		"eip155Transition": 1000000,
+		"validateChainIdTransition": 1000000
+	},
+	"genesis": {
+		"seal": {
+			"authorityRound": {
+				"step": "0x0",
+				"signature": "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+			}
+		},
+		"difficulty": "0x20000",
+		"gasLimit": "0x5B8D80"
+	},
+	"accounts": {
+		"0x0000000000000000000000000000000000000001": { "balance": "1", "builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } } },
+		"0x0000000000000000000000000000000000000002": { "balance": "1", "builtin": { "name": "sha256", "pricing": { "linear": { "base": 60, "word": 12 } } } },
+		"0x0000000000000000000000000000000000000003": { "balance": "1", "builtin": { "name": "ripemd160", "pricing": { "linear": { "base": 600, "word": 120 } } } },
+		"0x0000000000000000000000000000000000000004": { "balance": "1", "builtin": { "name": "identity", "pricing": { "linear": { "base": 15, "word": 3 } } } },
+		"0x0000000000000000000000000000000000000005": { "balance": "1", "constructor": 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" },
+		"0x0000000000000000000000000000000000000006": { "balance": "1", "constructor" : "0xvalidators_set_contract_bin" },
+		accounts_list
+	}
+}
+'
+poa_chain_contents="${poa_chain_contents/accounts_list/$json_acccounts_list}"
+poa_chain_contents="${poa_chain_contents/validators_set_contract_bin/$validators_set_contract_bin}"
+
+echo "$poa_chain_contents" > "poa_chain.json"
diff --git a/auto_migrate/start.sh b/auto_migrate/start.sh
new file mode 100755
index 0000000..005dbfc
--- /dev/null
+++ b/auto_migrate/start.sh
@@ -0,0 +1,9 @@
+NUM_NODES=`ls -1 | grep .toml | wc -l`
+echo $NUM_NODES
+
+#NUM_NODES=$(($NUM_NODES-1))
+
+for i in `seq 1 $NUM_NODES`
+do
+	RUST_LOG=secretstore=trace ../parity --config ./poa_ss${i}.toml&
+done