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Operator.test.ts
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Operator.test.ts
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import { ethers } from 'hardhat'
import {
publicAbi,
toBytes32String,
toWei,
stringToBytes,
increaseTime5Minutes,
getLog,
} from '../test-helpers/helpers'
import { assert, expect } from 'chai'
import {
BigNumber,
constants,
Contract,
ContractFactory,
ContractReceipt,
ContractTransaction,
Signer,
} from 'ethers'
import { getUsers, Roles } from '../test-helpers/setup'
import { bigNumEquals, evmRevert } from '../test-helpers/matchers'
import type { providers } from 'ethers'
import {
convertCancelParams,
convertCancelByRequesterParams,
convertFufillParams,
convertFulfill2Params,
decodeRunRequest,
encodeOracleRequest,
encodeRequestOracleData,
RunRequest,
} from '../test-helpers/oracle'
let v7ConsumerFactory: ContractFactory
let basicConsumerFactory: ContractFactory
let multiWordConsumerFactory: ContractFactory
let gasGuzzlingConsumerFactory: ContractFactory
let getterSetterFactory: ContractFactory
let maliciousRequesterFactory: ContractFactory
let maliciousConsumerFactory: ContractFactory
let maliciousMultiWordConsumerFactory: ContractFactory
let operatorFactory: ContractFactory
let forwarderFactory: ContractFactory
let linkTokenFactory: ContractFactory
const zeroAddress = ethers.constants.AddressZero
let roles: Roles
before(async () => {
const users = await getUsers()
roles = users.roles
v7ConsumerFactory = await ethers.getContractFactory(
'src/v0.7/tests/Consumer.sol:Consumer',
)
basicConsumerFactory = await ethers.getContractFactory(
'src/v0.6/tests/BasicConsumer.sol:BasicConsumer',
)
multiWordConsumerFactory = await ethers.getContractFactory(
'src/v0.7/tests/MultiWordConsumer.sol:MultiWordConsumer',
)
gasGuzzlingConsumerFactory = await ethers.getContractFactory(
'src/v0.6/tests/GasGuzzlingConsumer.sol:GasGuzzlingConsumer',
)
getterSetterFactory = await ethers.getContractFactory(
'src/v0.4/tests/GetterSetter.sol:GetterSetter',
)
maliciousRequesterFactory = await ethers.getContractFactory(
'src/v0.4/tests/MaliciousRequester.sol:MaliciousRequester',
)
maliciousConsumerFactory = await ethers.getContractFactory(
'src/v0.4/tests/MaliciousConsumer.sol:MaliciousConsumer',
)
maliciousMultiWordConsumerFactory = await ethers.getContractFactory(
'src/v0.6/tests/MaliciousMultiWordConsumer.sol:MaliciousMultiWordConsumer',
)
operatorFactory = await ethers.getContractFactory(
'src/v0.7/Operator.sol:Operator',
)
forwarderFactory = await ethers.getContractFactory(
'src/v0.7/AuthorizedForwarder.sol:AuthorizedForwarder',
)
linkTokenFactory = await ethers.getContractFactory(
'src/v0.4/LinkToken.sol:LinkToken',
)
})
describe('Operator', () => {
let fHash: string
let specId: string
let to: string
let link: Contract
let operator: Contract
let forwarder1: Contract
let forwarder2: Contract
let owner: Signer
beforeEach(async () => {
fHash = getterSetterFactory.interface.getSighash('requestedBytes32')
specId =
'0x4c7b7ffb66b344fbaa64995af81e355a00000000000000000000000000000000'
to = '0x80e29acb842498fe6591f020bd82766dce619d43'
link = await linkTokenFactory.connect(roles.defaultAccount).deploy()
owner = roles.defaultAccount
operator = await operatorFactory
.connect(owner)
.deploy(link.address, await owner.getAddress())
await operator
.connect(roles.defaultAccount)
.setAuthorizedSenders([await roles.oracleNode.getAddress()])
})
it('has a limited public interface [ @skip-coverage ]', () => {
publicAbi(operator, [
'acceptAuthorizedReceivers',
'acceptOwnableContracts',
'cancelOracleRequest',
'cancelOracleRequestByRequester',
'distributeFunds',
'fulfillOracleRequest',
'fulfillOracleRequest2',
'getAuthorizedSenders',
'getChainlinkToken',
'getExpiryTime',
'isAuthorizedSender',
'onTokenTransfer',
'operatorRequest',
'oracleRequest',
'ownerForward',
'ownerTransferAndCall',
'setAuthorizedSenders',
'setAuthorizedSendersOn',
'transferOwnableContracts',
'typeAndVersion',
'withdraw',
'withdrawable',
// Ownable methods:
'acceptOwnership',
'owner',
'transferOwnership',
])
})
describe('#typeAndVersion', () => {
it('describes the operator', async () => {
assert.equal(await operator.typeAndVersion(), 'Operator 1.0.0')
})
})
describe('#transferOwnableContracts', () => {
beforeEach(async () => {
forwarder1 = await forwarderFactory
.connect(owner)
.deploy(link.address, operator.address, zeroAddress, '0x')
forwarder2 = await forwarderFactory
.connect(owner)
.deploy(link.address, operator.address, zeroAddress, '0x')
})
describe('being called by the owner', () => {
it('cannot transfer to self', async () => {
await evmRevert(
operator
.connect(owner)
.transferOwnableContracts([forwarder1.address], operator.address),
'Cannot transfer to self',
)
})
it('emits an ownership transfer request event', async () => {
const tx = await operator
.connect(owner)
.transferOwnableContracts(
[forwarder1.address, forwarder2.address],
await roles.oracleNode1.getAddress(),
)
const receipt = await tx.wait()
assert.equal(receipt?.events?.length, 2)
const log1 = receipt?.events?.[0]
assert.equal(log1?.event, 'OwnershipTransferRequested')
assert.equal(log1?.address, forwarder1.address)
assert.equal(log1?.args?.[0], operator.address)
assert.equal(log1?.args?.[1], await roles.oracleNode1.getAddress())
const log2 = receipt?.events?.[1]
assert.equal(log2?.event, 'OwnershipTransferRequested')
assert.equal(log2?.address, forwarder2.address)
assert.equal(log2?.args?.[0], operator.address)
assert.equal(log2?.args?.[1], await roles.oracleNode1.getAddress())
})
})
describe('being called by a non-owner', () => {
it('reverts with message', async () => {
await evmRevert(
operator
.connect(roles.stranger)
.transferOwnableContracts(
[forwarder1.address],
await roles.oracleNode2.getAddress(),
),
'Only callable by owner',
)
})
})
})
describe('#acceptOwnableContracts', () => {
describe('being called by the owner', () => {
let operator2: Contract
let receipt: ContractReceipt
beforeEach(async () => {
operator2 = await operatorFactory
.connect(roles.defaultAccount)
.deploy(link.address, await roles.defaultAccount.getAddress())
forwarder1 = await forwarderFactory
.connect(roles.defaultAccount)
.deploy(link.address, operator.address, zeroAddress, '0x')
forwarder2 = await forwarderFactory
.connect(roles.defaultAccount)
.deploy(link.address, operator.address, zeroAddress, '0x')
await operator
.connect(roles.defaultAccount)
.transferOwnableContracts(
[forwarder1.address, forwarder2.address],
operator2.address,
)
const tx = await operator2
.connect(roles.defaultAccount)
.acceptOwnableContracts([forwarder1.address, forwarder2.address])
receipt = await tx.wait()
})
it('sets the new owner on the forwarder', async () => {
assert.equal(await forwarder1.owner(), operator2.address)
})
it('emits ownership transferred events', async () => {
assert.equal(receipt?.events?.[0]?.event, 'OwnableContractAccepted')
assert.equal(receipt?.events?.[0]?.args?.[0], forwarder1.address)
assert.equal(receipt?.events?.[1]?.event, 'OwnershipTransferred')
assert.equal(receipt?.events?.[1]?.address, forwarder1.address)
assert.equal(receipt?.events?.[1]?.args?.[0], operator.address)
assert.equal(receipt?.events?.[1]?.args?.[1], operator2.address)
assert.equal(receipt?.events?.[2]?.event, 'OwnableContractAccepted')
assert.equal(receipt?.events?.[2]?.args?.[0], forwarder2.address)
assert.equal(receipt?.events?.[3]?.event, 'OwnershipTransferred')
assert.equal(receipt?.events?.[3]?.address, forwarder2.address)
assert.equal(receipt?.events?.[3]?.args?.[0], operator.address)
assert.equal(receipt?.events?.[3]?.args?.[1], operator2.address)
})
})
describe('being called by a non-owner authorized sender', () => {
it('does not revert', async () => {
await operator
.connect(roles.defaultAccount)
.setAuthorizedSenders([await roles.oracleNode1.getAddress()])
await operator.connect(roles.oracleNode1).acceptOwnableContracts([])
})
})
describe('being called by a non owner', () => {
it('reverts with message', async () => {
await evmRevert(
operator
.connect(roles.stranger)
.acceptOwnableContracts([await roles.oracleNode2.getAddress()]),
'Cannot set authorized senders',
)
})
})
})
describe('#distributeFunds', () => {
describe('when called with empty arrays', () => {
it('reverts with invalid array message', async () => {
await evmRevert(
operator.connect(roles.defaultAccount).distributeFunds([], []),
'Invalid array length(s)',
)
})
})
describe('when called with unequal array lengths', () => {
it('reverts with invalid array message', async () => {
const receivers = [
await roles.oracleNode2.getAddress(),
await roles.oracleNode3.getAddress(),
]
const amounts = [1, 2, 3]
await evmRevert(
operator
.connect(roles.defaultAccount)
.distributeFunds(receivers, amounts),
'Invalid array length(s)',
)
})
})
describe('when called with not enough ETH', () => {
it('reverts with subtraction overflow message', async () => {
const amountToSend = toWei('2')
const ethSent = toWei('1')
await evmRevert(
operator
.connect(roles.defaultAccount)
.distributeFunds(
[await roles.oracleNode2.getAddress()],
[amountToSend],
{
value: ethSent,
},
),
'SafeMath: subtraction overflow',
)
})
})
describe('when called with too much ETH', () => {
it('reverts with too much ETH message', async () => {
const amountToSend = toWei('2')
const ethSent = toWei('3')
await evmRevert(
operator
.connect(roles.defaultAccount)
.distributeFunds(
[await roles.oracleNode2.getAddress()],
[amountToSend],
{
value: ethSent,
},
),
'Too much ETH sent',
)
})
})
describe('when called with correct values', () => {
it('updates the balances', async () => {
const node2BalanceBefore = await roles.oracleNode2.getBalance()
const node3BalanceBefore = await roles.oracleNode3.getBalance()
const receivers = [
await roles.oracleNode2.getAddress(),
await roles.oracleNode3.getAddress(),
]
const sendNode2 = toWei('2')
const sendNode3 = toWei('3')
const totalAmount = toWei('5')
const amounts = [sendNode2, sendNode3]
await operator
.connect(roles.defaultAccount)
.distributeFunds(receivers, amounts, { value: totalAmount })
const node2BalanceAfter = await roles.oracleNode2.getBalance()
const node3BalanceAfter = await roles.oracleNode3.getBalance()
assert.equal(
node2BalanceAfter.sub(node2BalanceBefore).toString(),
sendNode2.toString(),
)
assert.equal(
node3BalanceAfter.sub(node3BalanceBefore).toString(),
sendNode3.toString(),
)
})
})
})
describe('#setAuthorizedSenders', () => {
let newSenders: string[]
let receipt: ContractReceipt
describe('when called by the owner', () => {
describe('setting 3 authorized senders', () => {
beforeEach(async () => {
newSenders = [
await roles.oracleNode1.getAddress(),
await roles.oracleNode2.getAddress(),
await roles.oracleNode3.getAddress(),
]
const tx = await operator
.connect(roles.defaultAccount)
.setAuthorizedSenders(newSenders)
receipt = await tx.wait()
})
it('adds the authorized nodes', async () => {
const authorizedSenders = await operator.getAuthorizedSenders()
assert.equal(newSenders.length, authorizedSenders.length)
for (let i = 0; i < authorizedSenders.length; i++) {
assert.equal(authorizedSenders[i], newSenders[i])
}
})
it('emits an event on the Operator', async () => {
assert.equal(receipt.events?.length, 1)
const encodedSenders1 = ethers.utils.defaultAbiCoder.encode(
['address[]', 'address'],
[newSenders, await roles.defaultAccount.getAddress()],
)
const responseEvent1 = receipt.events?.[0]
assert.equal(responseEvent1?.event, 'AuthorizedSendersChanged')
assert.equal(responseEvent1?.data, encodedSenders1)
})
it('replaces the authorized nodes', async () => {
const originalAuthorization = await operator
.connect(roles.defaultAccount)
.isAuthorizedSender(await roles.oracleNode.getAddress())
assert.isFalse(originalAuthorization)
})
after(async () => {
await operator
.connect(roles.defaultAccount)
.setAuthorizedSenders([await roles.oracleNode.getAddress()])
})
})
describe('setting 0 authorized senders', () => {
beforeEach(async () => {
newSenders = []
})
it('reverts with a minimum senders message', async () => {
await evmRevert(
operator
.connect(roles.defaultAccount)
.setAuthorizedSenders(newSenders),
'Must have at least 1 authorized sender',
)
})
})
})
describe('when called by an authorized sender', () => {
beforeEach(async () => {
newSenders = [await roles.oracleNode1.getAddress()]
await operator
.connect(roles.defaultAccount)
.setAuthorizedSenders(newSenders)
})
it('succeeds', async () => {
await operator
.connect(roles.defaultAccount)
.setAuthorizedSenders([await roles.stranger.getAddress()])
})
})
describe('when called by a non-owner', () => {
it('cannot add an authorized node', async () => {
await evmRevert(
operator
.connect(roles.stranger)
.setAuthorizedSenders([await roles.stranger.getAddress()]),
'Cannot set authorized senders',
)
})
})
})
describe('#setAuthorizedSendersOn', () => {
let newSenders: string[]
beforeEach(async () => {
await operator
.connect(roles.defaultAccount)
.setAuthorizedSenders([await roles.oracleNode1.getAddress()])
newSenders = [
await roles.oracleNode2.getAddress(),
await roles.oracleNode3.getAddress(),
]
forwarder1 = await forwarderFactory
.connect(owner)
.deploy(link.address, operator.address, zeroAddress, '0x')
forwarder2 = await forwarderFactory
.connect(owner)
.deploy(link.address, operator.address, zeroAddress, '0x')
})
describe('when called by a non-authorized sender', () => {
it('reverts', async () => {
await evmRevert(
operator
.connect(roles.stranger)
.setAuthorizedSendersOn(newSenders, [forwarder1.address]),
'Cannot set authorized senders',
)
})
})
describe('when called by an owner', () => {
it('does not revert', async () => {
await operator
.connect(roles.defaultAccount)
.setAuthorizedSendersOn(
[forwarder1.address, forwarder2.address],
newSenders,
)
})
})
describe('when called by an authorized sender', () => {
it('does not revert', async () => {
await operator
.connect(roles.oracleNode1)
.setAuthorizedSendersOn(
[forwarder1.address, forwarder2.address],
newSenders,
)
})
it('does revert with 0 senders', async () => {
await operator
.connect(roles.oracleNode1)
.setAuthorizedSendersOn(
[forwarder1.address, forwarder2.address],
newSenders,
)
})
it('emits a log announcing the change and who made it', async () => {
const targets = [forwarder1.address, forwarder2.address]
const tx = await operator
.connect(roles.oracleNode1)
.setAuthorizedSendersOn(targets, newSenders)
const receipt = await tx.wait()
const encodedArgs = ethers.utils.defaultAbiCoder.encode(
['address[]', 'address[]', 'address'],
[targets, newSenders, await roles.oracleNode1.getAddress()],
)
const event1 = receipt.events?.[0]
assert.equal(event1?.event, 'TargetsUpdatedAuthorizedSenders')
assert.equal(event1?.address, operator.address)
assert.equal(event1?.data, encodedArgs)
})
it('updates the sender list on each of the targets', async () => {
const tx = await operator
.connect(roles.oracleNode1)
.setAuthorizedSendersOn(
[forwarder1.address, forwarder2.address],
newSenders,
)
const receipt = await tx.wait()
assert.equal(receipt.events?.length, 3, receipt.toString())
const encodedSenders = ethers.utils.defaultAbiCoder.encode(
['address[]', 'address'],
[newSenders, operator.address],
)
const event1 = receipt.events?.[1]
assert.equal(event1?.event, 'AuthorizedSendersChanged')
assert.equal(event1?.address, forwarder1.address)
assert.equal(event1?.data, encodedSenders)
const event2 = receipt.events?.[2]
assert.equal(event2?.event, 'AuthorizedSendersChanged')
assert.equal(event2?.address, forwarder2.address)
assert.equal(event2?.data, encodedSenders)
})
})
})
describe('#acceptAuthorizedReceivers', () => {
let newSenders: string[]
describe('being called by the owner', () => {
let operator2: Contract
let receipt: ContractReceipt
beforeEach(async () => {
operator2 = await operatorFactory
.connect(roles.defaultAccount)
.deploy(link.address, await roles.defaultAccount.getAddress())
forwarder1 = await forwarderFactory
.connect(roles.defaultAccount)
.deploy(link.address, operator.address, zeroAddress, '0x')
forwarder2 = await forwarderFactory
.connect(roles.defaultAccount)
.deploy(link.address, operator.address, zeroAddress, '0x')
await operator
.connect(roles.defaultAccount)
.transferOwnableContracts(
[forwarder1.address, forwarder2.address],
operator2.address,
)
newSenders = [
await roles.oracleNode2.getAddress(),
await roles.oracleNode3.getAddress(),
]
const tx = await operator2
.connect(roles.defaultAccount)
.acceptAuthorizedReceivers(
[forwarder1.address, forwarder2.address],
newSenders,
)
receipt = await tx.wait()
})
it('sets the new owner on the forwarder', async () => {
assert.equal(await forwarder1.owner(), operator2.address)
})
it('emits ownership transferred events', async () => {
assert.equal(receipt?.events?.[0]?.event, 'OwnableContractAccepted')
assert.equal(receipt?.events?.[0]?.args?.[0], forwarder1.address)
assert.equal(receipt?.events?.[1]?.event, 'OwnershipTransferred')
assert.equal(receipt?.events?.[1]?.address, forwarder1.address)
assert.equal(receipt?.events?.[1]?.args?.[0], operator.address)
assert.equal(receipt?.events?.[1]?.args?.[1], operator2.address)
assert.equal(receipt?.events?.[2]?.event, 'OwnableContractAccepted')
assert.equal(receipt?.events?.[2]?.args?.[0], forwarder2.address)
assert.equal(receipt?.events?.[3]?.event, 'OwnershipTransferred')
assert.equal(receipt?.events?.[3]?.address, forwarder2.address)
assert.equal(receipt?.events?.[3]?.args?.[0], operator.address)
assert.equal(receipt?.events?.[3]?.args?.[1], operator2.address)
assert.equal(
receipt?.events?.[4]?.event,
'TargetsUpdatedAuthorizedSenders',
)
const encodedSenders = ethers.utils.defaultAbiCoder.encode(
['address[]', 'address'],
[newSenders, operator2.address],
)
assert.equal(receipt?.events?.[5]?.event, 'AuthorizedSendersChanged')
assert.equal(receipt?.events?.[5]?.address, forwarder1.address)
assert.equal(receipt?.events?.[5]?.data, encodedSenders)
assert.equal(receipt?.events?.[6]?.event, 'AuthorizedSendersChanged')
assert.equal(receipt?.events?.[6]?.address, forwarder2.address)
assert.equal(receipt?.events?.[6]?.data, encodedSenders)
})
})
describe('being called by a non owner', () => {
it('reverts with message', async () => {
await evmRevert(
operator
.connect(roles.stranger)
.acceptAuthorizedReceivers(
[forwarder1.address, forwarder2.address],
newSenders,
),
'Cannot set authorized senders',
)
})
})
})
describe('#onTokenTransfer', () => {
describe('when called from any address but the LINK token', () => {
it('triggers the intended method', async () => {
const callData = encodeOracleRequest(
specId,
to,
fHash,
0,
constants.HashZero,
)
await evmRevert(
operator.onTokenTransfer(
await roles.defaultAccount.getAddress(),
0,
callData,
),
)
})
})
describe('when called from the LINK token', () => {
it('triggers the intended method', async () => {
const callData = encodeOracleRequest(
specId,
to,
fHash,
0,
constants.HashZero,
)
const tx = await link.transferAndCall(operator.address, 0, callData, {
value: 0,
})
const receipt = await tx.wait()
assert.equal(3, receipt.logs?.length)
})
describe('with no data', () => {
it('reverts', async () => {
await evmRevert(
link.transferAndCall(operator.address, 0, '0x', {
value: 0,
}),
)
})
})
})
describe('malicious requester', () => {
let mock: Contract
let requester: Contract
const paymentAmount = toWei('1')
beforeEach(async () => {
mock = await maliciousRequesterFactory
.connect(roles.defaultAccount)
.deploy(link.address, operator.address)
await link.transfer(mock.address, paymentAmount)
})
it('cannot withdraw from oracle', async () => {
const operatorOriginalBalance = await link.balanceOf(operator.address)
const mockOriginalBalance = await link.balanceOf(mock.address)
await evmRevert(mock.maliciousWithdraw())
const operatorNewBalance = await link.balanceOf(operator.address)
const mockNewBalance = await link.balanceOf(mock.address)
bigNumEquals(operatorOriginalBalance, operatorNewBalance)
bigNumEquals(mockNewBalance, mockOriginalBalance)
})
describe('if the requester tries to create a requestId for another contract', () => {
it('the requesters ID will not match with the oracle contract', async () => {
const tx = await mock.maliciousTargetConsumer(to)
const receipt = await tx.wait()
const mockRequestId = receipt.logs?.[0].data
const requestId = (receipt.events?.[0].args as any).requestId
assert.notEqual(mockRequestId, requestId)
})
it('the target requester can still create valid requests', async () => {
requester = await basicConsumerFactory
.connect(roles.defaultAccount)
.deploy(link.address, operator.address, specId)
await link.transfer(requester.address, paymentAmount)
await mock.maliciousTargetConsumer(requester.address)
await requester.requestEthereumPrice('USD', paymentAmount)
})
})
})
it('does not allow recursive calls of onTokenTransfer', async () => {
const requestPayload = encodeOracleRequest(
specId,
to,
fHash,
0,
constants.HashZero,
)
const ottSelector =
operatorFactory.interface.getSighash('onTokenTransfer')
const header =
'000000000000000000000000c5fdf4076b8f3a5357c5e395ab970b5b54098fef' + // to
'0000000000000000000000000000000000000000000000000000000000000539' + // amount
'0000000000000000000000000000000000000000000000000000000000000060' + // offset
'0000000000000000000000000000000000000000000000000000000000000136' // length
const maliciousPayload = ottSelector + header + requestPayload.slice(2)
await evmRevert(
link.transferAndCall(operator.address, 0, maliciousPayload, {
value: 0,
}),
)
})
})
describe('#oracleRequest', () => {
describe('when called through the LINK token', () => {
const paid = 100
let log: providers.Log | undefined
let receipt: providers.TransactionReceipt
beforeEach(async () => {
const args = encodeOracleRequest(
specId,
to,
fHash,
1,
constants.HashZero,
)
const tx = await link.transferAndCall(operator.address, paid, args)
receipt = await tx.wait()
assert.equal(3, receipt?.logs?.length)
log = receipt.logs && receipt.logs[2]
})
it('logs an event', async () => {
assert.equal(operator.address, log?.address)
assert.equal(log?.topics?.[1], specId)
const req = decodeRunRequest(receipt?.logs?.[2])
assert.equal(await roles.defaultAccount.getAddress(), req.requester)
bigNumEquals(paid, req.payment)
})
it('uses the expected event signature', async () => {
// If updating this test, be sure to update models.RunLogTopic.
const eventSignature =
'0xd8d7ecc4800d25fa53ce0372f13a416d98907a7ef3d8d3bdd79cf4fe75529c65'
assert.equal(eventSignature, log?.topics?.[0])
})
it('does not allow the same requestId to be used twice', async () => {
const args2 = encodeOracleRequest(
specId,
to,
fHash,
1,
constants.HashZero,
)
await evmRevert(link.transferAndCall(operator.address, paid, args2))
})
describe('when called with a payload less than 2 EVM words + function selector', () => {
it('throws an error', async () => {
const funcSelector =
operatorFactory.interface.getSighash('oracleRequest')
const maliciousData =
funcSelector +
'0000000000000000000000000000000000000000000000000000000000000000000'
await evmRevert(
link.transferAndCall(operator.address, paid, maliciousData),
)
})
})
describe('when called with a payload between 3 and 9 EVM words', () => {
it('throws an error', async () => {
const funcSelector =
operatorFactory.interface.getSighash('oracleRequest')
const maliciousData =
funcSelector +
'000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001'
await evmRevert(
link.transferAndCall(operator.address, paid, maliciousData),
)
})
})
})
describe('when dataVersion is higher than 255', () => {
it('throws an error', async () => {
const paid = 100
const args = encodeOracleRequest(
specId,
to,
fHash,
1,
constants.HashZero,
256,
)
await evmRevert(link.transferAndCall(operator.address, paid, args))
})
})
describe('when not called through the LINK token', () => {
it('reverts', async () => {
await evmRevert(
operator
.connect(roles.oracleNode)
.oracleRequest(
'0x0000000000000000000000000000000000000000',
0,
specId,
to,
fHash,
1,
1,
'0x',
),
)
})
})
})
describe('#operatorRequest', () => {
describe('when called through the LINK token', () => {
const paid = 100
let log: providers.Log | undefined
let receipt: providers.TransactionReceipt
beforeEach(async () => {
const args = encodeRequestOracleData(
specId,
fHash,
1,
constants.HashZero,
)
const tx = await link.transferAndCall(operator.address, paid, args)
receipt = await tx.wait()
assert.equal(3, receipt?.logs?.length)
log = receipt.logs && receipt.logs[2]
})
it('logs an event', async () => {
assert.equal(operator.address, log?.address)
assert.equal(log?.topics?.[1], specId)
const req = decodeRunRequest(receipt?.logs?.[2])
assert.equal(await roles.defaultAccount.getAddress(), req.requester)
bigNumEquals(paid, req.payment)
})
it('uses the expected event signature', async () => {
// If updating this test, be sure to update models.RunLogTopic.
const eventSignature =
'0xd8d7ecc4800d25fa53ce0372f13a416d98907a7ef3d8d3bdd79cf4fe75529c65'
assert.equal(eventSignature, log?.topics?.[0])
})
it('does not allow the same requestId to be used twice', async () => {
const args2 = encodeRequestOracleData(
specId,
fHash,
1,
constants.HashZero,
)
await evmRevert(link.transferAndCall(operator.address, paid, args2))
})
describe('when called with a payload less than 2 EVM words + function selector', () => {
it('throws an error', async () => {
const funcSelector =
operatorFactory.interface.getSighash('oracleRequest')
const maliciousData =
funcSelector +
'0000000000000000000000000000000000000000000000000000000000000000000'
await evmRevert(
link.transferAndCall(operator.address, paid, maliciousData),
)
})
})
describe('when called with a payload between 3 and 9 EVM words', () => {
it('throws an error', async () => {
const funcSelector =
operatorFactory.interface.getSighash('oracleRequest')
const maliciousData =
funcSelector +
'000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001'
await evmRevert(
link.transferAndCall(operator.address, paid, maliciousData),
)
})
})
})
describe('when dataVersion is higher than 255', () => {
it('throws an error', async () => {
const paid = 100
const args = encodeRequestOracleData(
specId,
fHash,
1,
constants.HashZero,
256,
)
await evmRevert(link.transferAndCall(operator.address, paid, args))
})
})
describe('when not called through the LINK token', () => {
it('reverts', async () => {
await evmRevert(
operator
.connect(roles.oracleNode)
.oracleRequest(
'0x0000000000000000000000000000000000000000',
0,
specId,