mirror of
https://github.com/logos-storage/nim-ethers.git
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af3d7379c8
* Move logFilters to JsonRpcSubscriptions * Add resubscribe flag * Add documentation for the resubscribe symbol * Rename the symbol for better clarity * Provide better message * Add nimbledeps to git ignore * Update wording * Update wording * Remove the ws_resubscribe flag from the config * Handle the concurrency issues when updating the logFilters and add tests * Update log filters comment * Add lock when subscribing to blocks * Remove useless private access * Fix wording * Fix try except format * Restore privateAccess because logEvents moved to JsonRpcSubscriptions * Use seconds instead of milliseconds * Remove extra dot in test label * Restore new lines * Pass the resubscribe internal in new function and remove unneeded try except * Remove ws_resubscribe default value making testing easier * Remove unneeded condition * Add new line * Fix nim syntax * Update symbol description * Log warning when the resubscription interval is more than 300 seconds * Catch errors in close method * Redefine raises for async pragma in close methods * Provide better error message
58 lines
2.0 KiB
Nim
58 lines
2.0 KiB
Nim
import std/os
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import std/importutils
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import pkg/asynctest
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import pkg/json_rpc/rpcclient
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import ethers/provider
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import ethers/providers/jsonrpc/subscriptions
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import ../../examples
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import ./rpc_mock
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suite "Websocket re-subscriptions":
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privateAccess(JsonRpcSubscriptions)
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var subscriptions: JsonRpcSubscriptions
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var client: RpcWebSocketClient
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var resubscribeInterval: int
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setup:
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resubscribeInterval = 3
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client = newRpcWebSocketClient()
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await client.connect("ws://" & getEnv("ETHERS_TEST_PROVIDER", "localhost:8545"))
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subscriptions = JsonRpcSubscriptions.new(client, resubscribeInterval = resubscribeInterval)
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subscriptions.start()
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teardown:
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await subscriptions.close()
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await client.close()
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test "unsubscribing from a log filter while subscriptions are being resubscribed does not cause a concurrency error":
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let filter = EventFilter(address: Address.example, topics: @[array[32, byte].example])
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let emptyHandler = proc(log: ?!Log) = discard
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for i in 1..10:
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discard await subscriptions.subscribeLogs(filter, emptyHandler)
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# Wait until the re-subscription starts
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await sleepAsync(resubscribeInterval.seconds)
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# Attempt to modify callbacks while its being iterated
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discard await subscriptions.subscribeLogs(filter, emptyHandler)
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test "resubscribe events take effect with new subscription IDs in the log filters":
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let filter = EventFilter(address: Address.example, topics: @[array[32, byte].example])
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let emptyHandler = proc(log: ?!Log) = discard
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let id = await subscriptions.subscribeLogs(filter, emptyHandler)
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check id in subscriptions.logFilters
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check subscriptions.logFilters.len == 1
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# Make sure the subscription is done
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await sleepAsync((resubscribeInterval + 1).seconds)
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# The previous subscription should not be in the log filters
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check id notin subscriptions.logFilters
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# There is still one subscription which is the new one
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check subscriptions.logFilters.len == 1
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