nim-codex/tests/ethertest.nim
Giuliano Mega 4f56f2af26
Chronos v4 Update (v3 Compat Mode) (#814)
* add changes to use chronos v4 in compat mode

* switch chronos to compat fix branch

* use nimbus-build-system with configurable Nim repo

* add missing imports

* add missing await

* bump compat

* pin nim version in Makefile

* add await instead of asyncSpawn to advertisement queue loop

* bump DHT to v0.5.0

* allow error state of `onBatch` to propagate upwards in test code

* pin Nim compiler commit to avoid fetching stale branch

* make CI build against branch head instead of merge

* fix handling of return values in testslotqueue
2024-07-18 21:04:33 +00:00

30 lines
826 B
Nim

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