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33 lines
939 B
Nim
33 lines
939 B
Nim
import std/json
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import pkg/ethers
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import pkg/chronos
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import ./asynctest
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import ./checktest
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## Unit testing suite that sets up an Ethereum testing environment.
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## Injects a `ethProvider` instance, and a list of `accounts`.
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## Calls the `evm_snapshot` and `evm_revert` methods to ensure that any
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## changes to the blockchain do not persist.
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template ethersuite*(name, body) =
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asyncchecksuite name:
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var ethProvider {.inject, used.}: JsonRpcProvider
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var accounts {.inject, used.}: seq[Address]
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var snapshot: JsonNode
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setup:
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ethProvider = JsonRpcProvider.new(
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"http://127.0.0.1:8545", pollingInterval = chronos.milliseconds(100)
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)
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snapshot = await send(ethProvider, "evm_snapshot")
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accounts = await ethProvider.listAccounts()
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teardown:
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await ethProvider.close()
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discard await send(ethProvider, "evm_revert", @[snapshot])
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body
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export asynctest
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export ethers except `%`
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