diff --git a/scripts/client_lib.inc.sh b/scripts/client_lib.inc.sh
new file mode 100644
index 000000000..6d82e1824
--- /dev/null
+++ b/scripts/client_lib.inc.sh
@@ -0,0 +1,102 @@
+#! /bin/bash
+
+client=${client:=tezos-client}
+
+function wait_for_the_node_to_be_ready() {
+    local last_level
+    local current_level
+    while ! $client rpc call blocks/head/proto/context/level >/dev/null 2>&1
+    do
+        echo Waiting 10 seconds for the node to launch...
+        sleep 10
+    done
+    ## Wait for the level not to change for 30sec...
+    last_level="$($client rpc call blocks/head/proto/context/level)"
+    while [ "$last_level" != "$current_level" ]
+    do
+        echo Waiting 30 seconds for the node to synchronize...
+        sleep 30
+        last_level=$current_level
+        current_level="$($client rpc call blocks/head/proto/context/level)"
+    done
+}
+
+function wait_for_a_new_block() {
+    local last_level
+    local current_level
+    last_level="$($client rpc call blocks/head/proto/context/level)"
+    current_level="$last_level"
+    while [ "$last_level" = "$current_level" ]
+    do
+        echo Waiting 10 seconds for a block to be baked...
+        sleep 10
+        current_level="$($client rpc call blocks/head/proto/context/level)"
+    done
+}
+
+function create_identity() {
+    if ! $client get balance my_identity 2> /dev/null 1> /dev/null
+    then
+        $client gen keys my_identity
+    fi
+}
+
+function create_account() {
+    while ! $client get balance my_account 2> /dev/null 1> /dev/null
+    do
+        echo Emiting origination...
+        $client forget contract my_account || true
+        $client originate account my_account for my_identity \
+                transfering 50,000.00 from bootstrap1
+        wait_for_a_new_block
+    done
+    echo Adding some credit in the new account...
+    $client transfer 50,000.00 from bootstrap2 to my_account
+    $client transfer 50,000.00 from bootstrap3 to my_account
+    $client transfer 50,000.00 from bootstrap4 to my_account
+    echo Provisining some credit for bond deposit...
+    $client transfer 50,000.00 from bootstrap5 to my_identity
+    wait_for_a_new_block
+}
+
+function wait_for_the_account() {
+    local account
+    while [ -z "$account" ]
+    do
+        echo Waiting 10 seconds for baker to create the account...
+        sleep 10
+        for contract in $($client list contracts \
+                              | grep -v "(default)" \
+                              | awk '{ print $1; }')
+        do
+            if $client get manager "$contract" | grep my_identity; then
+                account=$($client get manager "$contract" | awk '{ print $1; }')
+                echo account created
+            fi
+        done
+    done
+    $client remember contract my_account "$account"
+}
+
+function start_baker() {
+    declare -a identities
+    if [ $# -eq 0 ]; then
+        identities[0]=my_identity
+    else
+        identities=("$@")
+    fi
+    echo "Start baking for ${identities[*]}..."
+    $client launch daemon -mining -max-priority 64 "${identities[@]}"
+}
+
+function start_endorser() {
+    declare -a identities
+    if [ $# -eq 0 ]; then
+        identities[0]=my_identity
+    else
+        identities=("$@")
+    fi
+    echo "Start endorsing for ${identities[*]}..."
+    $client launch daemon -endorsement "${identities[@]}"
+}
+
diff --git a/scripts/launch-client.sh b/scripts/launch-client.sh
new file mode 100755
index 000000000..ec37adc02
--- /dev/null
+++ b/scripts/launch-client.sh
@@ -0,0 +1,79 @@
+#! /bin/bash
+
+set -e
+
+script_dir="$(dirname "$(readlink -f "$0")")"
+src_dir="$(dirname "$script_dir")"
+cd "$src_dir"
+
+function usage() {
+    echo "Small script client to a local and closed test network with a maximum of 9 nodes."
+    echo
+    echo "Usage: $0 <id> [ bake [id] | endorse [id] | exec ... ]"
+    echo "  where <id> should be an integer between 1 and 9."
+}
+
+if [ $# -lt 2 ] || [ "$1" -le 0 ] || [ 10 -le "$1" ]; then
+    usage
+    exit 1
+fi
+
+id="$1"
+cmd="$2"
+shift 2
+
+rpc=$((18730 + id))
+base_dir="/tmp/tezos-client-$rpc"
+
+client="./tezos-client -base-dir $base_dir -addr 127.0.0.1 -port $rpc"
+
+. "$script_dir/client_lib.inc.sh"
+
+function cmd_bake() {
+    wait_for_the_node_to_be_ready
+    if [ $# -eq 0 ]; then
+        create_identity
+        create_account
+    fi
+    start_baker "$@"
+}
+
+function cmd_endorse() {
+    wait_for_the_node_to_be_ready
+    if [ $# -eq 0 ]; then
+        create_account
+        endorsement
+    fi
+    start_endorser "$@"
+}
+
+function cmd_exec() {
+    $client "$@"
+}
+
+function cmd_clear() {
+    rm -fr "$base_dir"
+}
+
+if [ ! -d "$base_dir" ] && [ "$cmd" != "clear" ]; then
+    $client bootstrap
+fi
+
+case $cmd in
+    bake)
+        cmd_bake "$@"
+        ;;
+    endorse)
+        cmd_endorse "$@"
+        ;;
+    exec)
+        cmd_exec "$@"
+        ;;
+    clear)
+        cmd_clear
+        ;;
+    *)
+        usage
+        exit 1
+        ;;
+esac
diff --git a/scripts/launch-node.sh b/scripts/launch-node.sh
new file mode 100755
index 000000000..c7a967e86
--- /dev/null
+++ b/scripts/launch-node.sh
@@ -0,0 +1,41 @@
+#! /bin/sh
+
+set -e
+
+script_dir="$(dirname "$(readlink -f "$0")")"
+src_dir="$(dirname "$script_dir")"
+cd "$src_dir"
+
+if [ $# -lt 1 ] || [ "$1" -le 0 ] || [ 10 -le "$1" ]; then
+    echo "Small script to launch local and closed test network with a maximum of 9 nodes."
+    echo
+    echo "Usage: $0 <id>"
+    echo "  where <id> should be an integer between 1 and 9."
+    exit 1
+fi
+
+id="$1"
+shift 1
+
+port=$((19730 + id))
+rpc=$((18730 + id))
+expected_pow=10
+data_dir="$(mktemp -td tezos-node-XXXXX)"
+peers="--no-bootstrap-peers $(seq -f '--peer localhost:1973%.f' 1 9) --closed"
+node="$src_dir/tezos-node"
+
+cleanup () {
+    set +e
+    echo Cleaning up...
+#    rm -rf "$data_dir"
+}
+trap cleanup EXIT INT
+
+$node config init \
+      --data-dir "$data_dir" \
+      --net-addr ":$port" \
+      --rpc-addr "[::]:$rpc" \
+      --expected-pow "$expected_pow" \
+      --connections 2 $peers
+$node identity generate "$expected_pow" --data-dir "$data_dir"
+$node run --data-dir "$data_dir" "$@"