diff --git a/env/dev/resources/logback.xml b/env/dev/resources/logback.xml
index df633fb..d954983 100644
--- a/env/dev/resources/logback.xml
+++ b/env/dev/resources/logback.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
-    <statusListener class="ch.qos.logback.core.status.NopStatusListener" />
+    <statusListener class="ch.qos.logback.core.status.NopStatusListener"/>
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <!-- encoders are assigned the type
              ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
@@ -32,8 +32,8 @@
         <AppenderRef ref="STDOUT"/>
         <AppenderRef ref="FILE"/>
     </logger>
-    <root level="INFO">
-        <appender-ref ref="STDOUT" />
-        <appender-ref ref="FILE" />
+    <root level="DEBUG">
+        <appender-ref ref="STDOUT"/>
+        <appender-ref ref="FILE"/>
     </root>
 </configuration>
diff --git a/resources/sql/queries.sql b/resources/sql/queries.sql
index d945e65..7a57865 100644
--- a/resources/sql/queries.sql
+++ b/resources/sql/queries.sql
@@ -40,6 +40,12 @@ SELECT *
 FROM users
 WHERE id = :id;
 
+-- :name get-repo-owner :? :1
+SELECT *
+FROM users u
+  INNER JOIN repositories r ON r.user_id = u.id
+WHERE r.repo_id = :repo_id;
+
 -- Repositories --------------------------------------------------------------------
 
 -- :name toggle-repository! :<! :1
@@ -111,6 +117,7 @@ WITH t AS (
       i.title            AS title,
       i.transaction_hash AS transaction_hash,
       i.contract_address AS contract_address,
+      i.repo_id          AS repo_id,
       r.login            AS login,
       r.repo             AS repo
     FROM issues i
@@ -120,7 +127,7 @@ WITH t AS (
 UPDATE issues i
 SET contract_address = :contract_address
 FROM t
-RETURNING t.issue_id, t.issue_number, t.title, t.transaction_hash, t.contract_address, t.login, t.repo;
+RETURNING t.issue_id, t.issue_number, t.title, t.transaction_hash, t.contract_address, t.login, t.repo, t.repo_id;
 
 -- :name list-pending-deployments :? :*
 -- :doc retrieves pending transaction ids
diff --git a/src/clj/commiteth/db/users.clj b/src/clj/commiteth/db/users.clj
index 21c2432..fc38823 100644
--- a/src/clj/commiteth/db/users.clj
+++ b/src/clj/commiteth/db/users.clj
@@ -35,3 +35,9 @@
   [user-id token]
   (jdbc/with-db-connection [con-db *db*]
     (db/update-user-token! con-db {:id user-id :token token})))
+
+(defn get-repo-owner
+  "Gets repository owner by given repository id"
+  [repo-id]
+  (jdbc/with-db-connection [con-db *db*]
+    (db/get-repo-owner {:repo_id repo-id})))
diff --git a/src/clj/commiteth/eth/core.clj b/src/clj/commiteth/eth/core.clj
index aa09656..cf45bb3 100644
--- a/src/clj/commiteth/eth/core.clj
+++ b/src/clj/commiteth/eth/core.clj
@@ -3,6 +3,7 @@
             [org.httpkit.client :refer [post]]
             [clojure.java.io :as io]
             [commiteth.config :refer [env]]
+            [clojure.string :refer [join]]
             [clojure.tools.logging :as log]))
 
 (def eth-rpc-url "http://localhost:8545")
@@ -18,6 +19,7 @@
         options  {:body body}
         response (:body @(post eth-rpc-url options))
         result   (json/read-str response :key-fn keyword)]
+    (log/debug body "\n" result)
     (when-let [error (:error result)]
       (log/error "Method: " method ", error: " error))
     (:result result)))
@@ -55,3 +57,24 @@
     (send-transaction (eth-account) nil 1
       {:gas  1248650
        :data contract-code})))
+
+(defn- format-param
+  [param]
+  (if (number? param)
+    (format "%064x" param)
+    (clojure.string/replace (format "%64s" (subs param 2)) " " "0")))
+
+(defn- format-call-params
+  [method-id & params]
+  (let [params (join (map format-param params))]
+    (str method-id params)))
+
+(defn call
+  [contract method-id & params]
+  (let [data (apply format-call-params method-id params)]
+    (eth-rpc "eth_call" [{:to contract :data data} "latest"])))
+
+(defn execute
+  [from contract method-id & params]
+  (let [data (apply format-call-params method-id params)]
+    (send-transaction from contract 1 {:data data})))
diff --git a/src/clj/commiteth/eth/multisig_wallet.clj b/src/clj/commiteth/eth/multisig_wallet.clj
new file mode 100644
index 0000000..2381ce4
--- /dev/null
+++ b/src/clj/commiteth/eth/multisig_wallet.clj
@@ -0,0 +1,14 @@
+(ns commiteth.eth.multisig-wallet
+  (:require [commiteth.eth.core :as eth]))
+
+(defn is-owner?
+  [contract address]
+  (eth/call contract "0x0ed5bc12" address))
+
+(defn get-owner
+  [contract index]
+  (eth/call contract "0xc41a360a" index))
+
+(defn add-owner
+  [contract owner]
+  (eth/execute (eth/eth-account) contract "0x7065cb48" owner))
diff --git a/src/clj/commiteth/scheduler.clj b/src/clj/commiteth/scheduler.clj
index 2838350..5614ae1 100644
--- a/src/clj/commiteth/scheduler.clj
+++ b/src/clj/commiteth/scheduler.clj
@@ -1,7 +1,9 @@
 (ns commiteth.scheduler
   (:require [commiteth.eth.core :as eth]
+            [commiteth.eth.multisig-wallet :as wallet]
             [commiteth.github.core :as github]
             [commiteth.db.issues :as issues]
+            [commiteth.db.users :as users]
             [overtone.at-at :refer [every mk-pool]]
             [clojure.tools.logging :as log]
             [mount.core :as mount]))
@@ -9,17 +11,20 @@
 (def pool (mk-pool))
 
 (defn update-issue-contract-address []
-  (println "Hi.")
   (for [{issue-id         :issue_id
          transaction-hash :transaction_hash} (issues/list-pending-deployments)]
     (when-let [receipt (eth/get-transaction-receipt transaction-hash)]
       (log/info "transaction receipt for issue #" issue-id ": " receipt)
       (when-let [contract-address (:contractAddress receipt)]
-        (let [issue   (issues/update-contract-address issue-id contract-address)
+        (let [issue              (issues/update-contract-address issue-id contract-address)
               {user         :login
                repo         :repo
+               repo-id      :repo_id
                issue-number :issue_number} issue
-              balance (eth/get-balance-eth contract-address 4)]
-          (github/post-comment user repo issue-number contract-address balance))))))
+              balance            (eth/get-balance-eth contract-address 4)
+              repo-owner-address (:address (users/get-repo-owner repo-id))]
+          (github/post-comment user repo issue-number contract-address balance)
+          (wallet/add-owner contract-address (eth/eth-account))
+          (wallet/add-owner contract-address repo-owner-address))))))
 
 (mount/defstate scheduler :start (every (* 5 60 1000) update-issue-contract-address pool))