Use web3 via cljs-web3

* take cljs-web3 to use and no longer rely on window/web3 injected by
  wallet

project.clj

@@ -49,7 +49,8 @@
                  [com.andrewmcveigh/cljs-time "0.5.1"]
                  [akiroz.re-frame/storage "0.1.2"]
                  [cljsjs/chartjs "2.6.0-0"]
-                 [org.web3j/core "2.3.0"]]
+                 [org.web3j/core "2.3.0"]
+                 [cljs-web3 "0.19.0-0-2"]]
 
   :min-lein-version "2.0.0"
   :source-paths ["src/clj" "src/cljc"]

src/cljs/commiteth/handlers.cljs

@@ -7,6 +7,8 @@
                                    inject-cofx]]
             [ajax.core :refer [GET POST]]
             [cuerdas.core :as str]
+            [cljs-web3.core :as web3]
+            [cljs-web3.eth :as web3-eth]
             [akiroz.re-frame.storage
              :as rf-storage
              :refer [reg-co-fx!]]))
@@ -41,7 +43,15 @@
  :initialize-db
  [(inject-cofx :store)]
  (fn [{:keys [db store]} [_]]
-   {:db (merge db/default-db store)}))
+   (println (boolean (-> js/window .-web3)))
+   (let [injected-web3 (-> js/window .-web3)
+         web3 (if (boolean injected-web3)
+                (new (-> js/window .-Web3) (web3/current-provider injected-web3))
+                ;; TODO: put RPC URL in db
+                (web3/create-web3 "http://localhost:8545"))]
+     {:db (-> db/default-db
+              (merge {:web3 web3})
+              (merge store))})))
 
 (reg-event-db
  :assoc-in
@@ -351,8 +361,8 @@
                       owner-address    :owner_address
                       contract-address :contract_address
                       confirm-hash     :confirm_hash} issue]]
-   (let [web3-eth (-> js/web3 .-eth)
-         bignum (-> js/web3 .-BigNumber)
+   (let [web3 (:web3 db)
+         bignum (-> web3 .-BigNumber)
          confirm-method-id (sig->method-id "confirmTransaction(uint256)")
          confirm-id (strip-0x confirm-hash)
          data (str confirm-method-id
@@ -365,8 +375,8 @@
                   :data data}]
      (println "data:" data)
      (try
-       (.sendTransaction web3-eth (clj->js payload)
-                         (send-transaction-callback issue-id))
+       (web3-eth/send-transaction! web3 (clj->js payload)
+                                  (send-transaction-callback issue-id))
        {:db (assoc-in db [:owner-bounties issue-id :confirming?] true)}
        (catch js/Error e
          {:db (assoc-in db [:owner-bounties issue-id :confirm-failed?] true)

src/cljs/commiteth/subscriptions.cljs

@@ -1,6 +1,10 @@
 (ns commiteth.subscriptions
   (:require [re-frame.core :refer [reg-sub]]))
 
+(reg-sub
+ :db
+ (fn [db _] db))
+
 (reg-sub
   :page
   (fn [db _]

src/cljs/commiteth/update_address.cljs

@@ -2,19 +2,18 @@
   (:require [re-frame.core :as rf]
             [commiteth.common :refer [input dropdown]]
             [reagent.core :as r]
-            [reagent.crypt :as crypt]))
+            [reagent.crypt :as crypt]
+            [cljs-web3.eth :as web3-eth]))
 
 
 (defn update-address-page []
-  (let [user (rf/subscribe [:user])
+  (let [db (rf/subscribe [:db])
+        user (rf/subscribe [:user])
         updating-address (rf/subscribe [:get-in [:updating-address]])
         address (r/atom @(rf/subscribe [:get-in [:user :address]]))]
     (fn []
-      (let [web3 (.-web3 js/window)
-            web3-accounts (vec (when-not (nil? web3) (-> web3
-                                                         .-eth
-                                                         .-accounts
-                                                         js->clj)))]
+      (let [web3 (:web3 @db)
+            web3-accounts (web3-eth/accounts web3)]
         (println "web3-accounts" web3-accounts)
         [:div.ui.container.grid
          [:div.ui.form.sixteen.wide.column