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https://github.com/logos-storage/logos-storage-nim.git
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045f770128
- works with hardhat already running - works with ethersuite to revert snapshot (ethProvider instead of provider) - OnChainClock.now() gets latest block timestamp
33 lines
1.1 KiB
Nim
33 lines
1.1 KiB
Nim
import pkg/asynctest
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import pkg/ethers
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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 an `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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# NOTE: `ethProvider` cannot be named `provider`, as there is an unknown
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# conflict that is occurring within JsonRpcProvider in which the compiler cannot
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# understand the `provider` symbol type when several layers of nested templates
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# are involved, eg ethertest > multinodesuite > marketplacesuite > test
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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("ws://localhost:8545")
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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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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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