From c25b6ec630f11992a11fd5c8dd5d0ad672abf3ca Mon Sep 17 00:00:00 2001
From: Eric Dvorsak <eric@dvorsak.fr>
Date: Tue, 31 Jul 2018 13:07:46 +0200
Subject: [PATCH] working version for stateofus.eth usernames

addr and text["statusAccount"] functions allow to retrive ethereum address
and whisper address
---
 src/status_im/utils/ethereum/ens.cljs       | 36 ---------------------
 src/status_im/utils/ethereum/stateofus.cljs | 31 ++++++++++++++++--
 2 files changed, 28 insertions(+), 39 deletions(-)

diff --git a/src/status_im/utils/ethereum/ens.cljs b/src/status_im/utils/ethereum/ens.cljs
index 4a29ba5fee..af8289754a 100644
--- a/src/status_im/utils/ethereum/ens.cljs
+++ b/src/status_im/utils/ethereum/ens.cljs
@@ -48,12 +48,6 @@
                  (fn [_ ttl] (cb (ethereum/hex->int ttl)))))
 
 ;; Resolver contract
-
-(def status-resolvers
-  {:mainnet "0x314159265dd8dbb310642f98f50c066173c1259b"
-   :ropsten "0x5FfC014343cd971B7eb70732021E26C35B744cc4"
-   :rinkeby "0xe7410170f87102DF0055eB195163A03B7F2Bff4A"})
-
 ;; Resolver must implement EIP65 (supportsInterface). When interacting with an unknown resolver it's safer to rely on it.
 
 (def addr-hash "0x3b3b57de")
@@ -63,13 +57,6 @@
                  (ethereum/call-params resolver "addr(bytes32)" (namehash ens-name))
                  (fn [_ address] (cb (ethereum/hex->address address)))))
 
-(defn content [web3 resolver ens-name cb]
-  (ethereum/call web3
-                 (ethereum/call-params resolver
-                                       "content(bytes32)"
-                                       (namehash ens-name))
-                 (fn [_ content] (cb content #_(ethereum/hex->string content)))))
-
 (def name-hash "0x691f3431")
 
 ;; Defined by https://eips.ethereum.org/EIPS/eip-181
@@ -81,30 +68,7 @@
                                        (namehash ens-name))
                  (fn [_ address] (cb (ethereum/hex->address address)))))
 
-(defn text [web3 resolver ens-name key cb]
-  (ethereum/call web3
-                 (ethereum/call-params resolver
-                                       "text(bytes32)"
-                                       (namehash ens-name)
-                                       (ethereum/string->hex key))
-                 (fn [err text] (cb err text))))
-
 (def ABI-hash "0x2203ab56")
 (def pubkey-hash "0xc8690233")
 
 ;; TODO ABI, pubkey
-
-(comment
-  (let [web3-o (:web3 @re-frame.db/app-db)]
-    (resolver web3-o (:ropsten ens-registries) "test.stateofus.eth" println))
-
-  (let [web3-o (:web3 @re-frame.db/app-db)]
-    (addr web3-o  "0x5FfC014343cd971B7eb70732021E26C35B744cc4" "test.stateofus.eth" #(println %)))
-
-  (let [web3-o (:web3 @re-frame.db/app-db)]
-    (text web3-o  "0x5FfC014343cd971B7eb70732021E26C35B744cc4" "test.stateofus.eth" "statusAccount" println))
-
-  (ethereum/call-params "0x5FfC014343cd971B7eb70732021E26C35B744cc4"
-                        "text(bytes32,string)"
-                        (namehash "test.stateofus.eth")
-                        (ethereum/string->hex "statusAccount")))
diff --git a/src/status_im/utils/ethereum/stateofus.cljs b/src/status_im/utils/ethereum/stateofus.cljs
index ba036cd9b9..9276f3d16b 100644
--- a/src/status_im/utils/ethereum/stateofus.cljs
+++ b/src/status_im/utils/ethereum/stateofus.cljs
@@ -4,6 +4,31 @@
             [status-im.utils.ethereum.core :as ethereum]
             [status-im.utils.ethereum.ens :as ens]))
 
-(defn name [web3 registry name cb]
-  (ens/resolver web3 registry name
-                #(ens/name web3 %2 name cb)))
+(defn is-stateofus-name? [ens-name]
+  (string/ends-with? ens-name ".stateofus.eth"))
+
+(defn addr [web3 registry ens-name cb]
+  {:pre [(is-stateofus-name? ens-name)]}
+  (ens/resolver web3
+                registry
+                ens-name
+                #(ens/addr web3 % ens-name cb)))
+
+(defn text
+  "calls the text function on the stateofus resolver contract for `statusAccount` key
+  TODO: https://solidity.readthedocs.io/en/develop/abi-spec.html needs to be implemented
+  to replace this by dynamic parameters"
+  [web3 registry ens-name cb]
+  {:pre [(is-stateofus-name? ens-name)]}
+  (ens/resolver web3
+                registry
+                ens-name
+                #(ethereum/call web3
+                                {:to %
+                                 :data (str "0x59d1d43c"
+                                            (subs (ens/namehash ens-name) 2)
+                                            "0000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000d7374617475734163636f756e7400000000000000000000000000000000000000")}
+                                (fn [_ text] (cb (ethereum/hex->string (subs text 130 214)))))))
+
+#_(addr (:web3 @re-frame.db/app-db) "0x112234455c3a32fd11230c42e7bccd4a84e02010" "test.stateofus.eth" println)
+#_(text (:web3 @re-frame.db/app-db) "0x112234455c3a32fd11230c42e7bccd4a84e02010" "test.stateofus.eth" println)