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[#5749] transaction history fixes 

Signed-off-by: Goran Jovic <goranjovic@gmail.com>
This commit is contained in:
Bruce Hauman 2018-11-13 11:53:50 -05:00 committed by Goran Jovic
parent f567b59243
commit 1716643c46
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14 changed files with 723 additions and 522 deletions
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4
src/status_im/accounts/logout/core.cljs
View File

@ -4,7 +4,8 @@
[status-im.init.core :as init]
[status-im.transport.core :as transport]
[status-im.ui.screens.navigation :as navigation]
[status-im.utils.fx :as fx]))
[status-im.utils.fx :as fx]
[status-im.models.transactions :as transactions]))
(fx/defn logout
[{:keys [db] :as cofx}]
@ -12,6 +13,7 @@
(fx/merge cofx
{:keychain/clear-user-password (get-in db [:account/account :address])
:dev-server/stop nil}
(transactions/stop-sync)
(navigation/navigate-to-clean :login {})
(transport/stop-whisper)
(init/initialize-keychain))))

4
src/status_im/chat/commands/impl/transactions.cljs
View File

@ -293,9 +293,7 @@
(let [updated-request-message (assoc-in request-message [:content :params :answered?] true)]
{:db (assoc-in db [:chats chat-id :messages responding-to] updated-request-message)
:data-store/tx [(messages-store/save-message-tx updated-request-message)]})))))
(on-receive [_ command-message cofx]
(when-let [tx-hash (get-in command-message [:content :params :tx-hash])]
(wallet.transactions/store-chat-transaction-hash tx-hash cofx)))
(on-receive [_ command-message cofx])
(short-preview [_ command-message]
(personal-send-request-short-preview :command-sending command-message))
(preview [_ command-message]

1
src/status_im/init/core.cljs
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@ -181,7 +181,6 @@
(defn initialize-wallet [cofx]
(fx/merge cofx
(models.wallet/update-wallet)
(transactions/run-update)
(transactions/start-sync)))
(defn login-only-events [cofx address]

511
src/status_im/models/transactions.cljs
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@ -1,116 +1,439 @@
(ns status-im.models.transactions
(:require [clojure.set :as set]
[status-im.utils.datetime :as time]
[cljs.core.async :as async]
[clojure.string :as string]
[status-im.utils.async :as async-util]
[status-im.utils.ethereum.core :as ethereum]
[status-im.constants :as constants]
[status-im.native-module.core :as status]
[status-im.utils.ethereum.tokens :as tokens]
[status-im.utils.semaphores :as semaphores]
[status-im.utils.http :as http]
[status-im.utils.types :as types]
[taoensso.timbre :as log]
[status-im.utils.fx :as fx]))
[status-im.utils.fx :as fx]
[re-frame.core :as re-frame]
[re-frame.db])
(:require-macros
[cljs.core.async.macros :refer [go-loop go]]))
(def sync-interval-ms 15000)
(def sync-timeout-ms 20000)
(def confirmations-count-threshold 12)
(def block-query-limit 100000)
;; Detects if some of the transactions have less than 12 confirmations
(defn- have-unconfirmed-transactions? [cofx]
(->> (get-in cofx [:db :wallet :transactions])
;; ----------------------------------------------------------------------------
;; token transfer event logs from eth-node
;; ----------------------------------------------------------------------------
(defn- parse-json [s]
{:pre [(string? s)]}
(try
(let [res (-> s
js/JSON.parse
(js->clj :keywordize-keys true))]
(if (= (:error res) "")
{:result true}
res))
(catch :default e
{:error (.-message e)})))
(defn- add-padding [address]
{:pre [(string? address)]}
(str "0x000000000000000000000000" (subs address 2)))
(defn- remove-padding [topic]
{:pre [(string? topic)]}
(str "0x" (subs topic 26)))
(defn- parse-transaction-entries [current-block-number block-info chain-tokens direction transfers]
{:pre [(integer? current-block-number) (map? block-info)
(map? chain-tokens) (every? (fn [[k v]] (and (string? k) (map? v))) chain-tokens)
(keyword? direction)
(every? map? transfers)]}
(into {}
(keep identity
(for [transfer transfers]
(when-let [token (->> transfer :address (get chain-tokens))]
(when-not (:nft? token)
[(:transactionHash transfer)
{:block (-> block-info :number str)
:hash (:transactionHash transfer)
:symbol (:symbol token)
:from (some-> transfer :topics second remove-padding)
:to (some-> transfer :topics last remove-padding)
:value (-> transfer :data ethereum/hex->bignumber)
:type direction
:confirmations (str (- current-block-number (-> transfer :blockNumber ethereum/hex->int)))
:gas-price nil
:nonce nil
:data nil
:gas-limit nil
:timestamp (-> block-info :timestamp (* 1000) str)
:gas-used nil
;; NOTE(goranjovic) - metadata on the type of token: contains name, symbol, decimas, address.
:token token
;; NOTE(goranjovic) - if an event has been emitted, we can say there was no error
:error? false
;; NOTE(goranjovic) - just a flag we need when we merge this entry with the existing entry in
;; the app, e.g. transaction info with gas details, or a previous transfer entry with old
;; confirmations count.
:transfer true}]))))))
(defn- add-block-info [web3 current-block-number chain-tokens direction result success-fn]
{:pre [web3 (integer? current-block-number) (map? chain-tokens) (keyword? direction)
(every? map? result)
(fn? success-fn)]}
(let [transfers-by-block (group-by :blockNumber result)]
(doseq [[block-number transfers] transfers-by-block]
(ethereum/get-block-info web3 (ethereum/hex->int block-number)
(fn [block-info]
(if-not (map? block-info)
(log/error "Request for block info failed")
(success-fn (parse-transaction-entries current-block-number
block-info
chain-tokens
direction
transfers))))))))
(defn- response-handler [web3 current-block-number chain-tokens direction error-fn success-fn]
(fn handle-response
([response]
#_(log/debug "Token transaction logs recieved --" (pr-str response))
(let [{:keys [error result]} (parse-json response)]
(handle-response error result)))
([error result]
(if error
(error-fn error)
(add-block-info web3 current-block-number chain-tokens direction result success-fn)))))
(defn- limited-from-block [current-block-number]
{:pre [(integer? current-block-number)]
;; needs to be a positive etherium hex
:post [(string? %) (string/starts-with? % "0x")]}
(-> current-block-number (- block-query-limit) (max 0) ethereum/int->hex))
;; Here we are querying event logs for Transfer events.
;;
;; The parameters are as follows:
;; - address - token smart contract address
;; - fromBlock - we need to specify it, since default is latest
;; - topics[0] - hash code of the Transfer event signature
;; - topics[1] - address of token sender with leading zeroes padding up to 32 bytes
;; - topics[2] - address of token sender with leading zeroes padding up to 32 bytes
;;
(defn- get-token-transfer-logs
;; NOTE(goranjovic): here we use direct JSON-RPC calls to get event logs because of web3 event issues with infura
;; we still use web3 to get other data, such as block info
[web3 current-block-number chain-tokens direction address cb]
{:pre [web3 (integer? current-block-number) (map? chain-tokens) (keyword? direction) (string? address) (fn? cb)]}
(let [[from to] (if (= :inbound direction)
[nil (add-padding (ethereum/normalized-address address))]
[(add-padding (ethereum/normalized-address address)) nil])
from-block (limited-from-block current-block-number)
args {:jsonrpc "2.0"
:id 2
:method constants/web3-get-logs
:params [{:address (keys chain-tokens)
:fromBlock from-block
:topics [constants/event-transfer-hash from to]}]}
payload (.stringify js/JSON (clj->js args))]
(status/call-private-rpc payload
(response-handler web3 current-block-number chain-tokens direction ethereum/handle-error cb))))
(defn- get-token-transactions
[web3 chain-tokens direction address cb]
{:pre [web3 (map? chain-tokens) (keyword? direction) (string? address) (fn? cb)]}
(ethereum/get-block-number web3
#(get-token-transfer-logs web3 % chain-tokens direction address cb)))
;; --------------------------------------------------------------------------
;; etherscan transactions
;; --------------------------------------------------------------------------
(def etherscan-supported? #{:testnet :mainnet :rinkeby})
(let [network->subdomain {:testnet "ropsten" :rinkeby "rinkeby"}]
(defn get-transaction-details-url [chain hash]
{:pre [(keyword? chain) (string? hash)]
:post [(or (nil? %) (string? %))]}
(when (etherscan-supported? chain)
(let [network-subdomain (when-let [subdomain (network->subdomain chain)]
(str subdomain "."))]
(str "https://" network-subdomain "etherscan.io/tx/" hash)))))
(def etherscan-api-key "DMSI4UAAKUBVGCDMVP3H2STAMSAUV7BYFI")
(defn- get-api-network-subdomain [chain]
(case chain
(:testnet) "api-ropsten"
(:mainnet) "api"
(:rinkeby) "api-rinkeby"))
(defn- get-transaction-url [chain account]
{:pre [(keyword? chain) (string? account)]
:post [(string? %)]}
(let [network-subdomain (get-api-network-subdomain chain)]
(str "https://" network-subdomain ".etherscan.io/api?module=account&action=txlist&address=0x"
account "&startblock=0&endblock=99999999&sort=desc&apikey=" etherscan-api-key "&q=json")))
(defn- format-transaction [account
{:keys [value timeStamp blockNumber hash from to
gas gasPrice gasUsed nonce confirmations
input isError]}]
(let [inbound? (= (str "0x" account) to)
error? (= "1" isError)]
{:value value
;; timestamp is in seconds, we convert it in ms
:timestamp (str timeStamp "000")
:symbol :ETH
:type (cond error? :failed
inbound? :inbound
:else :outbound)
:block blockNumber
:hash hash
:from from
:to to
:gas-limit gas
:gas-price gasPrice
:gas-used gasUsed
:nonce nonce
:confirmations confirmations
:data input}))
(defn- format-transactions-response [response account]
(let [{:keys [result]} (types/json->clj response)]
(cond-> {}
(vector? result)
(into (comp
(map (partial format-transaction account))
(map (juxt :hash identity)))
result))))
(defn- etherscan-transactions [chain account on-success on-error]
(if (etherscan-supported? chain)
(let [url (get-transaction-url chain account)]
(log/debug "HTTP GET" url)
(http/get url
#(on-success (format-transactions-response % account))
on-error))
(log/info "Etherscan not supported for " chain)))
(defn- get-transactions [{:keys [web3 chain chain-tokens account-address success-fn error-fn]}]
(log/debug "Syncing transactions data..")
(etherscan-transactions chain
account-address
success-fn
error-fn)
(doseq [direction [:inbound :outbound]]
(get-token-transactions web3
chain-tokens
direction
account-address
success-fn)))
;; ---------------------------------------------------------------------------
;; Periodic background job
;; ---------------------------------------------------------------------------
(defn- async-periodic-run!
([async-periodic-chan]
(async-periodic-run! async-periodic-chan true))
([async-periodic-chan worker-fn]
(async/put! async-periodic-chan worker-fn)))
(defn- async-periodic-stop! [async-periodic-chan]
(async/close! async-periodic-chan))
(defn- async-periodic-exec
"Periodically execute an function.
Takes a work-fn of one argument `finished-fn -> any` this function
is passed a finished-fn that must be called to signal that the work
being performed in the work-fn is finished.
The work-fn can be forced to run immediately "
[work-fn interval-ms timeout-ms]
{:pre [(fn? work-fn) (integer? interval-ms) (integer? timeout-ms)]}
(let [do-now-chan (async/chan (async/sliding-buffer 1))]
(go-loop []
(let [timeout (async-util/timeout interval-ms)
finished-chan (async/promise-chan)
[v ch] (async/alts! [do-now-chan timeout])
worker (if (and (= ch do-now-chan) (fn? v))
v work-fn)]
(when-not (and (= ch do-now-chan) (nil? v))
(try
(worker #(async/put! finished-chan true))
;; if an error occurs in work-fn log it and consider it done
(catch :default e
(log/error "failed to run transaction sync" e)
(async/put! finished-chan true)))
;; sanity timeout for work-fn
(async/alts! [finished-chan (async-util/timeout timeout-ms)])
(recur))))
do-now-chan))
;; -----------------------------------------------------------------------------
;; Helpers functions that help determine if a background sync should execute
;; -----------------------------------------------------------------------------
(defn- keyed-memoize
"Space bounded memoize.
Takes a key-function that decides the key in the cache for the
memoized value. Takes a value function that will extract the value
that will invalidate the cache if it changes. And finally the
function to memoize.
Memoize that doesn't grow bigger than the number of keys."
[key-fn val-fn f]
(let [val-store (atom {})
res-store (atom {})]
(fn [arg]
(let [k (key-fn arg)
v (val-fn arg)]
(if (not= (get @val-store k) v)
(let [res (f arg)]
#_(prn "storing!!!!" res)
(swap! val-store assoc k v)
(swap! res-store assoc k res)
res)
(get @res-store k))))))
;; Map[id, chat] -> Set[transaction-id]
;; chat may or may not have a :messages Map
(let [chat-map-entry->transaction-ids
(keyed-memoize key (comp :messages val)
(fn [[_ chat]]
(some->> (:messages chat)
vals
(filter #(= "command" (:content-type %)))
(keep #(select-keys (get-in % [:content :params]) [:tx-hash :network])))))]
(defn- chat-map->transaction-ids [network chat-map]
{:pre [(string? network) (every? map? (vals chat-map))]
:post [(set? %)]}
(let [network (string/replace network "_rpc" "")]
(->> chat-map
(remove (comp :public? val))
(mapcat chat-map-entry->transaction-ids)
(filter #(= network (:network %)))
(map :tx-hash)
set))))
;; Seq[transaction] -> truthy
(defn- have-unconfirmed-transactions?
"Detects if some of the transactions have less than 12 confirmations"
[transactions]
{:pre [(every? string? (map :confirmations transactions))]}
(->> transactions
(map :confirmations)
(map int)
(some #(< % confirmations-count-threshold))))
(defn- wallet-transactions-set [db]
(-> db
(get-in [:wallet :transactions])
keys
set))
(letfn [(combine-entries [transaction token-transfer]
(merge transaction (select-keys token-transfer [:symbol :from :to :value :type :token :transfer])))
(update-confirmations [tx1 tx2]
(assoc tx1 :confirmations (str (max (int (:confirmations tx1))
(int (:confirmations tx2))))))
(tx-and-transfer? [tx1 tx2]
(and (not (:transfer tx1)) (:transfer tx2)))
(both-transfer?
[tx1 tx2]
(and (:transfer tx1) (:transfer tx2)))]
(defn- dedupe-transactions [tx1 tx2]
(cond (tx-and-transfer? tx1 tx2) (combine-entries tx1 tx2)
(tx-and-transfer? tx2 tx1) (combine-entries tx2 tx1)
(both-transfer? tx1 tx2) (update-confirmations tx1 tx2)
:else tx2)))
;; Detects if some of missing chat transactions are missing from wallet
(defn- have-missing-chat-transactions? [{:keys [db]}]
(let [chat-transactions (get-in db [:wallet :chat-transactions])]
(not= (count chat-transactions)
(count (set/intersection
chat-transactions
(wallet-transactions-set db))))))
;; ----------------------------------------------------------------------------
;; The following Code represents how fetching transactions is
;; complected with the rest of the application
;; ----------------------------------------------------------------------------
(fx/defn schedule-sync [cofx]
{:utils/dispatch-later [{:ms sync-interval-ms
:dispatch [:sync-wallet-transactions]}]})
(defonce polling-executor (atom nil))
(defn store-chat-transaction-hash [tx-hash {:keys [db]}]
{:db (update-in db [:wallet :chat-transactions] conj tx-hash)})
(defn- missing-chat-transactions [{:keys [db] :as cofx}]
(let [chat-transactions (->> db
:chats
vals
(remove :public?)
(mapcat :messages)
vals
flatten
(filter #(= "command" (:content-type %)))
(map #(get-in % [:content :params :tx-hash]))
(filter identity)
set)]
(set/difference
chat-transactions
(wallet-transactions-set db))))
(fx/defn load-missing-chat-transactions
"Find missing chat transactions and store them at [:wallet :chat-transactions]
to be used later by have-missing-chat-transactions? on every sync request"
[{:keys [db] :as cofx}]
(when (nil? (get-in db [:wallet :chat-transactions]))
{:db (assoc-in db
[:wallet :chat-transactions]
(missing-chat-transactions cofx))}))
(fx/defn run-update [{{:keys [network network-status web3] :as db} :db}]
(when (not= network-status :offline)
(let [network (get-in db [:account/account :networks network])
chain (ethereum/network->chain-keyword network)]
(when-not (= :custom chain)
(let [all-tokens (tokens/tokens-for chain)
token-addresses (map :address all-tokens)]
(log/debug "Syncing transactions data..")
{:get-transactions {:account-id (get-in db [:account/account :address])
:token-addresses token-addresses
(defn transactions-query-helper [web3 account-address chain done-fn]
(get-transactions
{:account-address account-address
:chain chain
:chain-tokens (into {} (map (juxt :address identity) (tokens/tokens-for chain)))
:web3 web3
:success-event :update-transactions-success
:error-event :update-transactions-fail}
:db (-> db
(update-in [:wallet :errors] dissoc :transactions-update)
(assoc-in [:wallet :transactions-loading?] true)
(assoc-in [:wallet :transactions-last-updated-at] (time/timestamp)))})))))
:success-fn (fn [transactions]
#_(log/debug "Transactions received: " (pr-str (keys transactions)))
(swap! re-frame.db/app-db
(fn [app-db]
(when (= (get-in app-db [:account/account :address])
account-address)
(update-in app-db
[:wallet :transactions]
#(merge-with dedupe-transactions % transactions)))))
(done-fn))
:error-fn (fn [http-error]
(log/debug "Unable to get transactions: " http-error)
(done-fn))}))
(defn- time-to-sync? [cofx]
(let [last-updated-at (get-in cofx [:db :wallet :transactions-last-updated-at])]
(or (nil? last-updated-at)
(< sync-interval-ms
(- (time/timestamp) last-updated-at)))))
(fx/defn sync
"Fetch updated data for any unconfirmed transactions or incoming chat transactions missing in wallet
and schedule new recurring sync request"
[{:keys [db] :as cofx}]
(if (:account/account db)
(let [in-progress? (get-in db [:wallet :transactions-loading?])
{:keys [app-state network-status]} db]
(if (and (not= network-status :offline)
(defn- sync-now! [{:keys [network-status :account/account app-state network web3] :as opts}]
(when @polling-executor
(let [chain (ethereum/network->chain-keyword (get-in account [:networks network]))
account-address (:address account)]
(when (and (not= network-status :offline)
(= app-state "active")
(not in-progress?)
(time-to-sync? cofx)
(or (have-unconfirmed-transactions? cofx)
(have-missing-chat-transactions? cofx)))
(fx/merge cofx
(run-update)
(schedule-sync))
(schedule-sync cofx)))
(semaphores/free cofx :sync-wallet-transactions?)))
(not= :custom chain))
(async-periodic-run!
@polling-executor
(partial transactions-query-helper web3 account-address chain))))))
(fx/defn start-sync [cofx]
(when-not (semaphores/locked? cofx :sync-wallet-transactions?)
(fx/merge cofx
(load-missing-chat-transactions)
(semaphores/lock :sync-wallet-transactions?)
(sync))))
;; this function handles background syncing of transactions
(defn- background-sync [web3 account-address done-fn]
(let [{:keys [network network-status :account/account app-state wallet chats]} @re-frame.db/app-db
chain (ethereum/network->chain-keyword (get-in account [:networks network]))]
(assert (and web3 account-address network network-status account app-state wallet chats)
"Must have all necessary data to run background transaction sync")
(if-not (and (not= network-status :offline)
(= app-state "active")
(not= :custom chain))
(done-fn)
(let [chat-transaction-ids (chat-map->transaction-ids network chats)
transaction-map (:transactions wallet)
transaction-ids (set (keys transaction-map))]
(if-not (or (have-unconfirmed-transactions? (vals transaction-map))
(not-empty (set/difference chat-transaction-ids transaction-ids)))
(done-fn)
(transactions-query-helper web3 account-address chain done-fn))))))
(defn- start-sync! [{:keys [:account/account network web3] :as options}]
(let [account-address (:address account)]
(when @polling-executor
(async-periodic-stop! @polling-executor))
(reset! polling-executor
(async-periodic-exec
(partial #'background-sync web3 account-address)
sync-interval-ms
sync-timeout-ms)))
(sync-now! options))
(re-frame/reg-fx
::sync-transactions-now
(fn [db] (sync-now! db)))
(re-frame/reg-fx ::start-sync-transactions
(fn [db] (start-sync! db)))
(fx/defn start-sync [{:keys [db]}]
{::start-sync-transactions (select-keys db [:network-status :account/account :app-state :network :web3])})
(re-frame/reg-fx
::stop-sync-transactions
#(when @polling-executor
(async-periodic-stop! @polling-executor)))
(fx/defn stop-sync [_]
{::stop-sync-transactions nil})

35
src/status_im/ui/screens/wallet/db.cljs
View File

@ -10,26 +10,25 @@
(spec/def :wallet/send (spec/keys :req-un [:wallet.send/recipient]))
(spec/def :wallet/balance-loading? (spec/nilable boolean?))
(spec/def :wallet/transactions-loading? (spec/nilable boolean?))
(spec/def :wallet/transactions-sync-started? (spec/nilable boolean?))
(spec/def :wallet/errors (spec/nilable any?))
(spec/def :wallet/transactions-last-updated-at (spec/nilable any?))
(spec/def :wallet/chat-transactions (spec/nilable any?))
(spec/def :wallet/transactions (spec/nilable any?))
(spec/def :wallet/transactions-queue (spec/nilable any?))
(spec/def :wallet/edit (spec/nilable any?))
(spec/def :wallet/current-tab (spec/nilable any?))
(spec/def :wallet/current-transaction (spec/nilable any?))
(spec/def :wallet/modal-history? (spec/nilable any?))
(spec/def :wallet/visible-tokens (spec/nilable any?))
(spec/def :wallet/currency (spec/nilable any?))
(spec/def :wallet/balance (spec/nilable any?))
(spec/def :wallet/wallet (spec/keys :opt-un [:wallet/send-transaction :wallet/request-transaction
;; TODO these key specs are not needed, they don't do anything
(spec/def :wallet/errors any?)
(spec/def :wallet/transactions any?)
(spec/def :wallet/transactions-queue any?)
(spec/def :wallet/edit any?)
(spec/def :wallet/current-tab any?)
(spec/def :wallet/current-transaction any?)
(spec/def :wallet/modal-history? any?)
(spec/def :wallet/visible-tokens any?)
(spec/def :wallet/currency any?)
(spec/def :wallet/balance any?)
(spec/def :wallet/wallet (spec/keys :opt-un [:wallet/send-transaction
:wallet/request-transaction
:wallet/transactions-queue
:wallet/balance-loading? :wallet/errors :wallet/transactions-loading?
:wallet/transactions-last-updated-at :wallet/chat-transactions
:wallet/transactions-sync-started? :wallet/transactions
:wallet/balance-loading?
:wallet/errors
:wallet/transactions
:wallet/edit
:wallet/current-tab
:wallet/current-transaction

68
src/status_im/ui/screens/wallet/events.cljs
View File

@ -10,7 +10,6 @@
[status-im.utils.handlers :as handlers]
[status-im.utils.money :as money]
[status-im.utils.prices :as prices]
[status-im.utils.transactions :as transactions]
[taoensso.timbre :as log]
[status-im.utils.fx :as fx]))
@ -61,21 +60,6 @@
:on-success #(re-frame/dispatch [success-event symbol %])
:on-error #(re-frame/dispatch [error-event symbol %])})))))
(re-frame/reg-fx
:get-transactions
(fn [{:keys [web3 chain account-id token-addresses success-event error-event]}]
(transactions/get-transactions chain
account-id
#(re-frame/dispatch [success-event % account-id])
#(re-frame/dispatch [error-event %]))
(doseq [direction [:inbound :outbound]]
(erc20/get-token-transactions web3
chain
token-addresses
direction
account-id
#(re-frame/dispatch [success-event % account-id])))))
;; TODO(oskarth): At some point we want to get list of relevant assets to get prices for
(re-frame/reg-fx
:get-prices
@ -104,55 +88,9 @@
(handlers/register-handler-fx
:update-transactions
(fn [cofx _]
(wallet.transactions/run-update cofx)))
(defn combine-entries [transaction token-transfer]
(merge transaction (select-keys token-transfer [:symbol :from :to :value :type :token :transfer])))
(defn update-confirmations [tx1 tx2]
(assoc tx1 :confirmations (max (:confirmations tx1)
(:confirmations tx2))))
(defn- tx-and-transfer?
"A helper function that checks if first argument is a transaction and the second argument a token transfer object."
[tx1 tx2]
(and (not (:transfer tx1)) (:transfer tx2)))
(defn- both-transfer?
[tx1 tx2]
(and (:transfer tx1) (:transfer tx2)))
(defn dedupe-transactions [tx1 tx2]
(cond (tx-and-transfer? tx1 tx2) (combine-entries tx1 tx2)
(tx-and-transfer? tx2 tx1) (combine-entries tx2 tx1)
(both-transfer? tx1 tx2) (update-confirmations tx1 tx2)
:else tx2))
(defn own-transaction? [address [_ {:keys [type to from]}]]
(let [normalized (ethereum/normalized-address address)]
(or (and (= :inbound type) (= normalized (ethereum/normalized-address to)))
(and (= :outbound type) (= normalized (ethereum/normalized-address from)))
(and (= :failed type) (= normalized (ethereum/normalized-address from))))))
(handlers/register-handler-fx
:update-transactions-success
(fn [{:keys [db]} [_ transactions address]]
;; NOTE(goranjovic): we want to only show transactions that belong to the current account
;; this filter is to prevent any late transaction updates initated from another account on the same
;; device from being applied in the current account.
(let [own-transactions (into {} (filter #(own-transaction? address %) transactions))]
{:db (-> db
(update-in [:wallet :transactions] #(merge-with dedupe-transactions % own-transactions))
(assoc-in [:wallet :transactions-loading?] false))})))
(handlers/register-handler-fx
:update-transactions-fail
(fn [{:keys [db]} [_ err]]
(log/debug "Unable to get transactions: " err)
{:db (-> db
(assoc-error-message :transactions-update :error-unable-to-get-transactions)
(assoc-in [:wallet :transactions-loading?] false))}))
(fn [{:keys [db]} _]
{::wallet.transactions/sync-transactions-now
(select-keys db [:network-status :account/account :app-state :network :web3])}))
(handlers/register-handler-fx
:update-balance-success

4
src/status_im/ui/screens/wallet/send/events.cljs
View File

@ -269,7 +269,3 @@
{:dispatch-later [{:ms 400 :dispatch [:check-dapps-transactions-queue]}]}
(navigation/navigate-back))))
(handlers/register-handler-fx
:sync-wallet-transactions
(fn [cofx _]
(wallet.transactions/sync cofx)))

12
src/status_im/ui/screens/wallet/transactions/subs.cljs
View File

@ -4,16 +4,11 @@
[status-im.utils.datetime :as datetime]
[status-im.utils.hex :as utils.hex]
[status-im.utils.money :as money]
[status-im.utils.transactions :as transactions]
[status-im.models.transactions :as transactions]
[status-im.utils.ethereum.core :as ethereum]
[status-im.utils.ethereum.tokens :as tokens]
[status-im.ui.screens.wallet.utils :as wallet.utils]))
(reg-sub :wallet.transactions/transactions-loading?
:<- [:wallet]
(fn [wallet]
(:transactions-loading? wallet)))
(reg-sub :wallet.transactions/current-tab
:<- [:wallet]
(fn [wallet]
@ -130,8 +125,3 @@
(reg-sub :wallet.transactions/filters
(fn [db]
(get-in db [:wallet.transactions :filters])))
(reg-sub :wallet.transactions/error-message?
:<- [:wallet]
(fn [wallet]
(get-in wallet [:errors :transactions-update])))

116
src/status_im/utils/ethereum/erc20.cljs
View File

@ -17,10 +17,6 @@
"
(:require [status-im.utils.ethereum.core :as ethereum]
[status-im.native-module.core :as status]
[status-im.utils.ethereum.tokens :as tokens]
[status-im.constants :as constants]
[status-im.utils.datetime :as datetime]
[clojure.string :as string]
[status-im.utils.security :as security]
[status-im.utils.types :as types])
(:refer-clojure :exclude [name symbol]))
@ -67,115 +63,3 @@
(ethereum/call web3
(ethereum/call-params contract "allowance(address,address)" (ethereum/normalized-address owner-address) (ethereum/normalized-address spender-address))
#(cb %1 (ethereum/hex->bignumber %2))))
(defn- parse-json [s]
(try
(let [res (-> s
js/JSON.parse
(js->clj :keywordize-keys true))]
(if (= (:error res) "")
{:result true}
res))
(catch :default e
{:error (.-message e)})))
(defn- add-padding [address]
(when address
(str "0x000000000000000000000000" (subs address 2))))
(defn- remove-padding [topic]
(if topic
(str "0x" (subs topic 26))))
(defn- parse-transaction-entries [current-block-number block-info chain direction transfers]
(into {}
(keep identity
(for [transfer transfers]
(if-let [token (->> transfer :address (tokens/address->token chain))]
(when-not (:nft? token)
[(:transactionHash transfer)
{:block (-> block-info :number str)
:hash (:transactionHash transfer)
:symbol (:symbol token)
:from (-> transfer :topics second remove-padding)
:to (-> transfer :topics last remove-padding)
:value (-> transfer :data ethereum/hex->bignumber)
:type direction
:confirmations (str (- current-block-number (-> transfer :blockNumber ethereum/hex->int)))
:gas-price nil
:nonce nil
:data nil
:gas-limit nil
:timestamp (-> block-info :timestamp (* 1000) str)
:gas-used nil
;; NOTE(goranjovic) - metadata on the type of token: contains name, symbol, decimas, address.
:token token
;; NOTE(goranjovic) - if an event has been emitted, we can say there was no error
:error? false
;; NOTE(goranjovic) - just a flag we need when we merge this entry with the existing entry in
;; the app, e.g. transaction info with gas details, or a previous transfer entry with old
;; confirmations count.
:transfer true}]))))))
(defn add-block-info [web3 current-block-number chain direction result success-fn]
(let [transfers-by-block (group-by :blockNumber result)]
(doseq [[block-number transfers] transfers-by-block]
(ethereum/get-block-info web3 (ethereum/hex->int block-number)
(fn [block-info]
(success-fn (parse-transaction-entries current-block-number
block-info
chain
direction
transfers)))))))
(defn- response-handler [web3 current-block-number chain direction error-fn success-fn]
(fn handle-response
([response]
(let [{:keys [error result]} (parse-json response)]
(handle-response error result)))
([error result]
(if error
(error-fn error)
(add-block-info web3 current-block-number chain direction result success-fn)))))
;;
;; Here we are querying event logs for Transfer events.
;;
;; The parameters are as follows:
;; - address - token smart contract address
;; - fromBlock - we need to specify it, since default is latest
;; - topics[0] - hash code of the Transfer event signature
;; - topics[1] - address of token sender with leading zeroes padding up to 32 bytes
;; - topics[2] - address of token sender with leading zeroes padding up to 32 bytes
;;
(defn get-token-transfer-logs
;; NOTE(goranjovic): here we use direct JSON-RPC calls to get event logs because of web3 event issues with infura
;; we still use web3 to get other data, such as block info
[web3 current-block-number chain contracts direction address cb]
(let [[from to] (if (= :inbound direction)
[nil (ethereum/normalized-address address)]
[(ethereum/normalized-address address) nil])
args {:jsonrpc "2.0"
:id 2
:method constants/web3-get-logs
:params [{:address (map string/lower-case contracts)
:fromBlock "0x0"
:topics [constants/event-transfer-hash
(add-padding from)
(add-padding to)]}]}
payload (.stringify js/JSON (clj->js args))]
(status/call-private-rpc payload
(response-handler web3 current-block-number chain direction ethereum/handle-error cb))))
(defn get-token-transactions
[web3 chain contracts direction address cb]
(ethereum/get-block-number web3
#(get-token-transfer-logs web3 % chain contracts direction address cb)))

9
src/status_im/utils/ethereum/tokens.cljs
View File

@ -495,12 +495,15 @@
{:symbol :KDO
:nft? true
:name "KudosToken"
:address "0x93bB0AFbd0627Bbd3a6C72Bc318341D3A22e254a"}])
:address "0x93bb0afbd0627bbd3a6c72bc318341d3a22e254a"}])
:custom []})
(defn tokens-for [chain]
(get all chain))
(defn tokens-for
"makes sure all addresses are lower-case
TODO: token list should be speced and not accept non-lower-cased addresses"
[chain]
(mapv #(update % :address string/lower-case) (get all chain)))
(defn all-assets-for [chain]
(concat [(native-currency chain)]

69
src/status_im/utils/transactions.cljs
View File

@ -1,69 +0,0 @@
(ns status-im.utils.transactions
(:require [status-im.utils.http :as http]
[status-im.utils.types :as types]
[taoensso.timbre :as log]))
(def etherscan-supported?
#{:testnet :mainnet :rinkeby})
(defn- get-network-subdomain [chain]
(case chain
(:testnet) "ropsten"
(:mainnet) nil
(:rinkeby) "rinkeby"))
(defn get-transaction-details-url [chain hash]
(when (etherscan-supported? chain)
(let [network-subdomain (get-network-subdomain chain)]
(str "https://" (when network-subdomain (str network-subdomain ".")) "etherscan.io/tx/" hash))))
(def etherscan-api-key "DMSI4UAAKUBVGCDMVP3H2STAMSAUV7BYFI")
(defn- get-api-network-subdomain [chain]
(case chain
(:testnet) "api-ropsten"
(:mainnet) "api"
(:rinkeby) "api-rinkeby"))
(defn get-transaction-url [chain account]
(let [network-subdomain (get-api-network-subdomain chain)]
(str "https://" network-subdomain ".etherscan.io/api?module=account&action=txlist&address=0x"
account "&startblock=0&endblock=99999999&sort=desc&apikey=" etherscan-api-key "?q=json")))
(defn- format-transaction [account {:keys [value timeStamp blockNumber hash from to gas gasPrice gasUsed nonce confirmations input isError]}]
(let [inbound? (= (str "0x" account) to)
error? (= "1" isError)]
{:value value
;; timestamp is in seconds, we convert it in ms
:timestamp (str timeStamp "000")
:symbol :ETH
:type (cond error? :failed
inbound? :inbound
:else :outbound)
:block blockNumber
:hash hash
:from from
:to to
:gas-limit gas
:gas-price gasPrice
:gas-used gasUsed
:nonce nonce
:confirmations confirmations
:data input}))
(defn- format-transactions-response [response account]
(->> response
types/json->clj
:result
(reduce (fn [transactions {:keys [hash] :as transaction}]
(assoc transactions hash (format-transaction account transaction)))
{})))
(defn get-transactions [chain account on-success on-error]
(if (etherscan-supported? chain)
(let [url (get-transaction-url chain account)]
(log/debug "HTTP GET" url)
(http/get url
#(on-success (format-transactions-response % account))
on-error))
(log/info "Etherscan not supported for " chain)))

2
test/cljs/status_im/test/runner.cljs
View File

@ -7,6 +7,7 @@
[status-im.test.browser.core]
[status-im.test.browser.permissions]
[status-im.test.wallet.subs]
[status-im.test.wallet.transactions]
[status-im.test.wallet.transactions.subs]
[status-im.test.wallet.transactions.views]
[status-im.test.mailserver.core]
@ -84,6 +85,7 @@
'status-im.test.models.network
'status-im.test.models.wallet
'status-im.test.wallet.subs
'status-im.test.wallet.transactions
'status-im.test.wallet.transactions.subs
'status-im.test.wallet.transactions.views
'status-im.test.chat.models.loading

2
test/cljs/status_im/test/utils/ethereum/eip681.cljs
View File

@ -37,7 +37,7 @@
(eip681/generate-erc20-uri "0x89205a3a3b2a69de6dbf7f01ed13b2108b2c43e7" {:symbol :SNT :value 5 :gas 10000 :gasPrice 10000})))
(is (= "ethereum:0x744d70fdbe2ba4cf95131626614a1763df805b9e/transfer?uint256=5&address=0x89205a3a3b2a69de6dbf7f01ed13b2108b2c43e7"
(eip681/generate-erc20-uri "0x89205a3a3b2a69de6dbf7f01ed13b2108b2c43e7" {:symbol :SNT :chain-id 1 :value 5})))
(is (= "ethereum:0xc55cF4B03948D7EBc8b9E8BAD92643703811d162@3/transfer?uint256=5&address=0x89205a3a3b2a69de6dbf7f01ed13b2108b2c43e7"
(is (= "ethereum:0xc55cf4b03948d7ebc8b9e8bad92643703811d162@3/transfer?uint256=5&address=0x89205a3a3b2a69de6dbf7f01ed13b2108b2c43e7"
(eip681/generate-erc20-uri "0x89205a3a3b2a69de6dbf7f01ed13b2108b2c43e7" {:symbol :STT :chain-id 3 :value 5}))))
(deftest generate-uri

400
test/cljs/status_im/test/wallet/transactions.cljs
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