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Change the way blocks are mined during testing #554

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Merged
merged 1 commit into from
Mar 30, 2022
Merged

Change the way blocks are mined during testing #554

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2 changes: 1 addition & 1 deletion hardhat.config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -125,7 +125,7 @@ const config: HardhatUserConfig = {
mnemonic: DEFAULT_TEST_MNEMONIC,
},
mining: {
auto: true,
auto: false,
interval: 30000,
},
hardfork: 'london',
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2 changes: 1 addition & 1 deletion scripts/test
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Expand Up @@ -41,7 +41,7 @@ fi
mkdir -p reports

# Run using the standalone evm instance
npx hardhat test --network hardhat
npx hardhat test --network hardhat $@

### Cleanup

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8 changes: 7 additions & 1 deletion test/lib/fixtures.ts
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Expand Up @@ -2,7 +2,7 @@
import { utils, Wallet, Signer } from 'ethers'

import * as deployment from './deployment'
import { evmSnapshot, evmRevert } from './testHelpers'
import { evmSnapshot, evmRevert, provider } from './testHelpers'

export class NetworkFixture {
lastSnapshotId: number
Expand All @@ -16,6 +16,12 @@ export class NetworkFixture {
slasher: Signer = Wallet.createRandom() as Signer,
arbitrator: Signer = Wallet.createRandom() as Signer,
): Promise<any> {
// Enable automining with each transaction, and disable
// the mining interval. Individual tests may modify this
// behavior as needed.
provider().send('evm_setIntervalMining', [0])
provider().send('evm_setAutomine', [true])

// Roles
const arbitratorAddress = await arbitrator.getAddress()
const slasherAddress = await slasher.getAddress()
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