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fix ens contenthash resolution

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Signed-off-by: Andrey Shovkoplyas <motor4ik@gmail.com>
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yenda 2020-03-31 19:53:54 +02:00 committed by Andrey Shovkoplyas
parent 430a8fb27c
commit b344322475
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2 changed files with 27 additions and 15 deletions
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22
src/status_im/ethereum/ens.cljs
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@ -97,14 +97,7 @@
(fn [[name]] (fn [[name]]
(cb name))})) (cb name))}))
(defn contenthash (defn cleanup-hash [raw-hash]
[resolver ens-name cb]
(json-rpc/eth-call
{:contract resolver
:method "contenthash(bytes32)"
:params [(namehash ens-name)]
:on-success
(fn [raw-hash]
;; NOTE: it would be better if our abi-spec/decode was able to do that ;; NOTE: it would be better if our abi-spec/decode was able to do that
(let [;; ignore hex prefix (let [;; ignore hex prefix
[_ raw-hash-rest] (split-at 2 raw-hash) [_ raw-hash-rest] (split-at 2 raw-hash)
@ -120,7 +113,18 @@
hash-field-length (* ^number (abi-spec/hex-to-number (string/join hash-field-length-hex)) 2) hash-field-length (* ^number (abi-spec/hex-to-number (string/join hash-field-length-hex)) 2)
;; we get the hash ;; we get the hash
[hash _] (split-at hash-field-length raw-hash-rest)] [hash _] (split-at hash-field-length raw-hash-rest)]
(cb (string/join "0x" hash))))})) (str "0x" (string/join hash))))
(defn contenthash
[resolver ens-name cb]
(json-rpc/eth-call
{:contract resolver
:method "contenthash(bytes32)"
:params [(namehash ens-name)]
:on-success
(fn [raw-hash]
;; NOTE: it would be better if our abi-spec/decode was able to do that
(cb (cleanup-hash raw-hash)))}))
(defn content (defn content
[resolver ens-name cb] [resolver ens-name cb]

8
test/cljs/status_im/test/ethereum/ens.cljs
View File

@ -9,3 +9,11 @@
(ens/namehash "eth"))) (ens/namehash "eth")))
(is (= "0xde9b09fd7c5f901e23a3f19fecc54828e9c848539801e86591bd9801b019f84f" (is (= "0xde9b09fd7c5f901e23a3f19fecc54828e9c848539801e86591bd9801b019f84f"
(ens/namehash "foo.eth")))) (ens/namehash "foo.eth"))))
(deftest cleanup-hash
;; simpledapp.eth
(is (= "0xe30101701220795c1ea0ceaf4ceedc9896f14b73bb30e978e4855ee221b9a57f5a934268280e"
(ens/cleanup-hash "0x00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000026e30101701220795c1ea0ceaf4ceedc9896f14b73bb30e978e4855ee221b9a57f5a934268280e0000000000000000000000000000000000000000000000000000")))
;; ethereum.eth
(is (= "0xe301017012206e70f0f72e2bcd0ad69bb2b15ee9e0f4f88693f6b2f485e48699e7d6f8dbd62a"
(ens/cleanup-hash "0x00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000026e301017012206e70f0f72e2bcd0ad69bb2b15ee9e0f4f88693f6b2f485e48699e7d6f8dbd62a0000000000000000000000000000000000000000000000000000"))))