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TicketBroker.js
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import calcTxCost from "../helpers/calcTxCost"
import {
DUMMY_TICKET_CREATION_ROUND,
DUMMY_TICKET_CREATION_ROUND_BLOCK_HASH,
createAuxData,
createTicket,
createWinningTicket,
getTicketHash
} from "../helpers/ticket"
import signMsg, {
flipV,
getEIP2098V,
getLongSigV,
to2098Format
} from "../helpers/signMsg"
import Fixture from "./helpers/Fixture"
import {functionSig} from "../../utils/helpers"
import {constants} from "../../utils/constants"
import {web3, ethers} from "hardhat"
const BigNumber = ethers.BigNumber
import chai, {expect, assert} from "chai"
import {solidity} from "ethereum-waffle"
chai.use(solidity)
describe("TicketBroker", () => {
let broker
let fixture
let signers
let sender
let recipient
let funder
const unlockPeriod = 20
const ticketValidityPeriod = 2
const currentRound = DUMMY_TICKET_CREATION_ROUND
before(async () => {
signers = await ethers.getSigners()
sender = signers[0].address
recipient = signers[1].address
funder = signers[3]
fixture = new Fixture(ethers.provider)
await fixture.deploy()
broker = await (
await ethers.getContractFactory("TicketBroker")
).deploy(fixture.controller.address)
await broker.setUnlockPeriod(unlockPeriod)
await broker.setTicketValidityPeriod(ticketValidityPeriod)
await fixture.roundsManager.setMockUint256(
functionSig("currentRound()"),
currentRound
)
await fixture.roundsManager.setMockBytes32(
functionSig("blockHashForRound(uint256)"),
DUMMY_TICKET_CREATION_ROUND_BLOCK_HASH
)
})
beforeEach(async () => {
await fixture.setUp()
await fixture.roundsManager.setMockBool(
functionSig("currentRoundInitialized()"),
true
)
})
afterEach(async () => {
await fixture.tearDown()
})
describe("setUnlockPeriod", () => {
it("should fail if caller is not Controller owner", async () => {
await expect(
broker.connect(signers[1]).setUnlockPeriod(200)
).to.be.revertedWith("caller must be Controller owner")
})
it("sets unlockPeriod", async () => {
const unlockPeriod = 200
const tx = await broker.setUnlockPeriod(unlockPeriod)
expect(await broker.unlockPeriod()).to.be.equal(unlockPeriod)
await expect(tx)
.to.emit(broker, "ParameterUpdate")
.withArgs("unlockPeriod")
})
})
describe("setTicketValidityPeriod", () => {
it("should fail if caller is not Controller owner", async () => {
await expect(
broker.connect(signers[1]).setTicketValidityPeriod(200)
).to.be.revertedWith("caller must be Controller owner")
})
it("should fail if provided value is 0", async () => {
await expect(broker.setTicketValidityPeriod(0)).to.be.revertedWith(
"ticketValidityPeriod must be greater than 0"
)
})
it("sets ticketValidityPeriod", async () => {
const ticketValidityPeriod = 200
const tx = await broker.setTicketValidityPeriod(
ticketValidityPeriod
)
expect(await broker.ticketValidityPeriod()).to.be.equal(
ticketValidityPeriod
)
await expect(tx)
.to.emit(broker, "ParameterUpdate")
.withArgs("ticketValidityPeriod")
})
})
describe("fundDeposit", () => {
it("should fail if the system is paused", async () => {
await fixture.controller.pause()
await expect(
broker.fundDeposit({value: 1000})
).to.be.revertedWith("system is paused")
})
it("grows the Minter ETH balance", async () => {
await broker.fundDeposit({value: 1000})
const balance = await web3.eth.getBalance(fixture.minter.address)
assert.equal(balance, "1000")
})
it("reduces the sender's ETH balance", async () => {
const startBalance = BigNumber.from(
await web3.eth.getBalance(sender)
)
const txResult = await broker.fundDeposit({value: 1000})
const endBalance = BigNumber.from(await web3.eth.getBalance(sender))
const txCost = await calcTxCost(txResult)
assert.equal(
startBalance.sub(endBalance).sub(txCost).toString(),
"1000"
)
})
it("tracks the sender's ETH deposit amount", async () => {
await broker.fundDeposit({value: 1000})
const deposit = (
await broker.getSenderInfo(sender)
).sender.deposit.toString()
assert.equal(deposit, "1000")
})
it("tracks sender's multiple deposits", async () => {
await broker.fundDeposit({value: 1000})
await broker.fundDeposit({value: 500})
const deposit = (
await broker.getSenderInfo(sender)
).sender.deposit.toString()
assert.equal(deposit, "1500")
})
it("track multiple sender's deposits", async () => {
const sender2 = signers[2]
await broker.fundDeposit({value: 1000})
await broker.connect(sender2).fundDeposit({value: 500})
const deposit = (
await broker.getSenderInfo(sender)
).sender.deposit.toString()
const deposit2 = (
await broker.getSenderInfo(sender2.address)
).sender.deposit.toString()
assert.equal(deposit, "1000")
assert.equal(deposit2, "500")
})
it("resets an unlock request in progress", async () => {
await broker.fundDeposit({value: 1000})
await broker.unlock()
await broker.fundDeposit({value: 500})
const isUnlockInProgress = await broker.isUnlockInProgress(sender)
assert(!isUnlockInProgress)
})
it("emits a DepositFunded event", async () => {
const tx = broker.fundDeposit({value: 1000})
await expect(tx)
.to.emit(broker, "DepositFunded")
.withArgs(sender, "1000")
})
it("emits a DepositFunded event with indexed sender", async () => {
const sender2 = signers[2]
const fromBlock = (await web3.eth.getBlock("latest")).number
await broker.fundDeposit({value: 1000})
await broker.connect(sender2).fundDeposit({value: 1000})
const filter = broker.filters.DepositFunded(sender)
const events = await broker.queryFilter(filter, fromBlock, "latest")
assert.equal(events.length, 1)
assert.equal(events[0].args.sender, sender)
assert.equal(events[0].args.amount.toString(), "1000")
})
})
describe("fundReserve", () => {
it("should fail if the system is paused", async () => {
await fixture.controller.pause()
await expect(
broker.fundReserve({value: 1000})
).to.be.revertedWith("system is paused")
})
it("grows the Minter ETH balance", async () => {
await broker.fundReserve({value: 1000})
const balance = await web3.eth.getBalance(fixture.minter.address)
assert.equal(balance, "1000")
})
it("reduces the sender's ETH balance", async () => {
const startBalance = BigNumber.from(
await web3.eth.getBalance(sender)
)
const txRes = await broker.fundReserve({value: 1000})
const endBalance = BigNumber.from(await web3.eth.getBalance(sender))
const txCost = await calcTxCost(txRes)
assert.equal(
startBalance.sub(endBalance).sub(txCost).toString(),
"1000"
)
})
it("tracks the sender's ETH reserve", async () => {
await broker.fundReserve({value: 1000})
const reserve = (
await broker.getSenderInfo(sender)
).reserve.fundsRemaining.toString()
assert.equal(reserve, "1000")
})
it("tracks sender's multiple reserve fundings", async () => {
await broker.fundReserve({value: 1000})
await broker.fundReserve({value: 500})
const reserve = (
await broker.getSenderInfo(sender)
).reserve.fundsRemaining.toString()
assert.equal(reserve, "1500")
})
it("track multiple sender's reserves", async () => {
const sender2 = signers[2]
await broker.fundReserve({value: 1000})
await broker.connect(sender2).fundReserve({value: 500})
const reserve = (
await broker.getSenderInfo(sender)
).reserve.fundsRemaining.toString()
const reserve2 = (
await broker.getSenderInfo(sender2.address)
).reserve.fundsRemaining.toString()
assert.equal(reserve, "1000")
assert.equal(reserve2, "500")
})
it("preserves remaining funds when reserve was claimed from", async () => {
const numRecipients = 10
const reserve = 1000
const allocation = reserve / numRecipients
await fixture.roundsManager.setMockUint256(
functionSig("currentRound()"),
currentRound
)
await fixture.bondingManager.setMockUint256(
functionSig("getTranscoderPoolSize()"),
numRecipients
)
await fixture.bondingManager.setMockBool(
functionSig("isActiveTranscoder(address)"),
true
)
await broker.fundReserve({value: reserve})
const recipientRand = 5
const faceValue = 1000
const ticket = createWinningTicket(
recipient,
sender,
recipientRand,
faceValue
)
const senderSig = await signMsg(getTicketHash(ticket), sender)
// Deposit is 0 so this will claim from the reserve
await broker
.connect(signers[1])
.redeemWinningTicket(ticket, senderSig, recipientRand)
// No additional funds so this should not increase the reserve
await broker.fundReserve()
const remainingReserve = reserve - allocation
assert.equal(
(
await broker.getSenderInfo(sender)
).reserve.fundsRemaining.toString(),
remainingReserve.toString()
)
})
it("preserves remaining funds when reserve was claimed from and adds additional funds", async () => {
const numRecipients = 10
const reserve = 1000
const allocation = reserve / numRecipients
await fixture.roundsManager.setMockUint256(
functionSig("currentRound()"),
currentRound
)
await fixture.bondingManager.setMockUint256(
functionSig("getTranscoderPoolSize()"),
numRecipients
)
await fixture.bondingManager.setMockBool(
functionSig("isActiveTranscoder(address)"),
true
)
await broker.fundReserve({value: reserve})
const recipientRand = 5
const faceValue = 1000
const ticket = createWinningTicket(
recipient,
sender,
recipientRand,
faceValue
)
const senderSig = await signMsg(getTicketHash(ticket), sender)
// Deposit is 0 so this will claim from the reserve
await broker
.connect(signers[1])
.redeemWinningTicket(ticket, senderSig, recipientRand)
const additionalFunds = 100
await broker.fundReserve({value: additionalFunds})
const remainingReserve = reserve - allocation
assert.equal(
(
await broker.getSenderInfo(sender)
).reserve.fundsRemaining.toString(),
(remainingReserve + additionalFunds).toString()
)
})
it("resets an unlock request in progress", async () => {
await broker.fundReserve({value: 1000})
await broker.unlock()
await broker.fundReserve({value: 500})
const isUnlockInProgress = await broker.isUnlockInProgress(sender)
assert(!isUnlockInProgress)
})
it("emits a ReserveFunded event", async () => {
const tx = broker.fundReserve({value: 1000})
await expect(tx)
.to.emit(broker, "ReserveFunded")
.withArgs(sender, "1000")
})
it("emits a ReserveFunded event with indexed sender", async () => {
const sender2 = signers[2]
const fromBlock = (await web3.eth.getBlock("latest")).number
await broker.fundReserve({value: 1000})
await broker.connect(sender2).fundReserve({value: 1000})
const filter = broker.filters.ReserveFunded(sender)
const events = await broker.queryFilter(filter, fromBlock, "latest")
assert.equal(events.length, 1)
assert.equal(events[0].args.reserveHolder, sender)
assert.equal(events[0].args.amount.toString(), "1000")
})
})
describe("fundDepositAndReserve", () => {
it("should fail if the system is paused", async () => {
const deposit = 500
const reserve = 1000
await fixture.controller.pause()
await expect(
broker.fundDepositAndReserve(deposit, reserve, {value: 1000})
).to.be.revertedWith("system is paused")
})
it("reverts if msg.value < sum of deposit amount and reserve amount", async () => {
const deposit = 500
const reserve = 1000
await expect(
broker.fundDepositAndReserve(deposit, reserve, {
value: deposit + reserve - 1
})
).to.be.revertedWith(
"msg.value does not equal sum of deposit amount and reserve amount"
)
})
it("reverts if msg.value > sum of deposit amount and reserve amount", async () => {
const deposit = 500
const reserve = 1000
await expect(
broker.fundDepositAndReserve(deposit, reserve, {
value: deposit + reserve + 1
})
).to.be.revertedWith(
"msg.value does not equal sum of deposit amount and reserve amount"
)
})
it("grows the Minter's ETH balance by sum of deposit and reserve amounts", async () => {
const deposit = 500
const reserve = 1000
const startMinterBalance = BigNumber.from(
await web3.eth.getBalance(fixture.minter.address)
)
await broker.fundDepositAndReserve(deposit, reserve, {
value: deposit + reserve
})
const endMinterBalance = BigNumber.from(
await web3.eth.getBalance(fixture.minter.address)
)
assert.equal(
endMinterBalance.sub(startMinterBalance).toString(),
(deposit + reserve).toString()
)
})
it("reduces the sender's ETH balance by sum of deposit and reserve amounts", async () => {
const deposit = 500
const reserve = 1000
const startSenderBalance = BigNumber.from(
await web3.eth.getBalance(sender)
)
const txResult = await broker.fundDepositAndReserve(
deposit,
reserve,
{value: deposit + reserve}
)
const endSenderBalance = BigNumber.from(
await web3.eth.getBalance(sender)
)
const txCost = await calcTxCost(txResult)
assert.equal(
startSenderBalance.sub(endSenderBalance).sub(txCost).toString(),
(deposit + reserve).toString()
)
})
it("tracks sender's ETH deposit and reserve", async () => {
const deposit = 500
const reserve = 1000
await broker.fundDepositAndReserve(deposit, reserve, {
value: deposit + reserve
})
const endSenderInfo = await broker.getSenderInfo(sender)
const endReserve = endSenderInfo.reserve.fundsRemaining
assert.equal(
endSenderInfo.sender.deposit.toString(),
deposit.toString()
)
assert.equal(endReserve.toString(), reserve.toString())
})
it("preserves remaining funds when reserve was claimed from", async () => {
const numRecipients = 10
const reserve = 1000
const allocation = reserve / numRecipients
await fixture.roundsManager.setMockUint256(
functionSig("currentRound()"),
currentRound
)
await fixture.bondingManager.setMockUint256(
functionSig("getTranscoderPoolSize()"),
numRecipients
)
await fixture.bondingManager.setMockBool(
functionSig("isActiveTranscoder(address)"),
true
)
await broker.fundReserve({value: reserve})
const recipientRand = 5
const faceValue = 1000
const ticket = createWinningTicket(
recipient,
sender,
recipientRand,
faceValue
)
const senderSig = await signMsg(getTicketHash(ticket), sender)
// Deposit is 0 so this will claim from the reserve
await broker
.connect(signers[1])
.redeemWinningTicket(ticket, senderSig, recipientRand)
// No additional reserve funds so this should not increase reserve
await broker.fundDepositAndReserve(100, 0, {value: 100})
const remainingReserve = reserve - allocation
assert.equal(
(
await broker.getSenderInfo(sender)
).reserve.fundsRemaining.toString(),
remainingReserve.toString()
)
})
it("preserves remaining funds when reserve was claimed from and adds additional funds", async () => {
const numRecipients = 10
const reserve = 1000
const allocation = reserve / numRecipients
await fixture.roundsManager.setMockUint256(
functionSig("currentRound()"),
currentRound
)
await fixture.bondingManager.setMockUint256(
functionSig("getTranscoderPoolSize()"),
numRecipients
)
await fixture.bondingManager.setMockBool(
functionSig("isActiveTranscoder(address)"),
true
)
await broker.fundReserve({value: reserve})
const recipientRand = 5
const faceValue = 1000
const ticket = createWinningTicket(
recipient,
sender,
recipientRand,
faceValue
)
const senderSig = await signMsg(getTicketHash(ticket), sender)
// Deposit is 0 so this will claim from the reserve
await broker
.connect(signers[1])
.redeemWinningTicket(ticket, senderSig, recipientRand)
const additionalFunds = 100
await broker.fundDepositAndReserve(100, additionalFunds, {
value: 100 + additionalFunds
})
const remainingReserve = reserve - allocation
assert.equal(
(
await broker.getSenderInfo(sender)
).reserve.fundsRemaining.toString(),
(remainingReserve + additionalFunds).toString()
)
})
})
describe("fundDepositAndReserveFor", () => {
it("should fail if the system is paused", async () => {
const deposit = 500
const reserve = 1000
await fixture.controller.pause()
await expect(
broker
.connect(funder)
.fundDepositAndReserveFor(sender, deposit, reserve, {
value: 1000
})
).to.be.revertedWith("system is paused")
})
it("reverts if msg.value < sum of deposit amount and reserve amount", async () => {
const deposit = 500
const reserve = 1000
await expect(
broker
.connect(funder)
.fundDepositAndReserveFor(sender, deposit, reserve, {
value: deposit + reserve - 1
})
).to.be.revertedWith(
"msg.value does not equal sum of deposit amount and reserve amount"
)
})
it("reverts if msg.value > sum of deposit amount and reserve amount", async () => {
const deposit = 500
const reserve = 1000
await expect(
broker
.connect(funder)
.fundDepositAndReserveFor(sender, deposit, reserve, {
value: deposit + reserve + 1
})
).to.be.revertedWith(
"msg.value does not equal sum of deposit amount and reserve amount"
)
})
it("updates deposit and reserve for specified address", async () => {
const deposit = 500
const reserve = 1000
expect(funder.address).to.not.equal(sender)
const tx = await broker
.connect(funder)
.fundDepositAndReserveFor(sender, deposit, reserve, {
value: deposit + reserve
})
const endSenderInfo = await broker.getSenderInfo(sender)
expect(endSenderInfo.sender.deposit).to.be.equal(deposit)
expect(endSenderInfo.reserve.fundsRemaining).to.be.equal(reserve)
expect(tx).to.changeEtherBalance(funder, -(deposit + reserve))
expect(tx).to.changeEtherBalance(fixture.minter, deposit + reserve)
})
})
describe("redeemWinningTicket", () => {
it("should fail if the system is paused", async () => {
const deposit = 1500
await fixture.roundsManager.setMockUint256(
functionSig("currentRound()"),
currentRound
)
await broker.fundDeposit({value: deposit})
const recipientRand = 5
const faceValue = deposit
const ticket = createWinningTicket(
recipient,
sender,
recipientRand,
faceValue
)
const senderSig = await signMsg(getTicketHash(ticket), sender)
await fixture.controller.pause()
await expect(
broker
.connect(signers[1])
.redeemWinningTicket(ticket, senderSig, recipientRand)
).to.be.revertedWith("system is paused")
})
it("should fail if the current round is not initialized", async () => {
const deposit = 1500
await fixture.roundsManager.setMockUint256(
functionSig("currentRound()"),
currentRound
)
await broker.fundDeposit({value: deposit})
const recipientRand = 5
const faceValue = deposit
const ticket = createWinningTicket(
recipient,
sender,
recipientRand,
faceValue
)
const senderSig = await signMsg(getTicketHash(ticket), sender)
await fixture.roundsManager.setMockBool(
functionSig("currentRoundInitialized()"),
false
)
await expect(
broker
.connect(signers[1])
.redeemWinningTicket(ticket, senderSig, recipientRand)
).to.be.revertedWith("current round is not initialized")
})
it("reverts if ticket's recipient is null address", async () => {
await expect(
broker.redeemWinningTicket(
createTicket(),
web3.utils.asciiToHex("sig"),
5
)
).to.be.revertedWith("ticket recipient is null address")
})
it("reverts if ticket sender is null address", async () => {
await expect(
broker.redeemWinningTicket(
createTicket({recipient}),
web3.utils.asciiToHex("sig"),
5
)
).to.be.revertedWith("ticket sender is null address")
})
it("reverts if ticket auxData != 64 bytes", async () => {
const auxData = ethers.constants.HashZero
await expect(
broker.redeemWinningTicket(
createTicket({
recipient,
sender,
auxData
}),
web3.utils.asciiToHex("sig"),
5
)
).to.be.revertedWith(
"invalid length for ticket auxData: must be 64 bytes"
)
})
it("reverts if block hash for ticket creationRound is null", async () => {
await fixture.roundsManager.setMockBytes32(
functionSig("blockHashForRound(uint256)"),
constants.NULL_BYTES
)
await expect(
broker.redeemWinningTicket(
createTicket({
recipient,
sender
}),
web3.utils.asciiToHex("sig"),
5
)
).to.be.revertedWith(
"ticket creationRound does not have a block hash"
)
})
it("reverts if ticket creationRoundBlockHash is invalid for ticket creationRound", async () => {
await fixture.roundsManager.setMockBytes32(
functionSig("blockHashForRound(uint256)"),
web3.utils.keccak256("bar")
)
await expect(
broker.redeemWinningTicket(
createTicket({
recipient,
sender
}),
web3.utils.asciiToHex("sig"),
5
)
).to.be.revertedWith(
"ticket creationRoundBlockHash invalid for creationRound"
)
})
it("reverts if ticket is expired based on ticket creationRound", async () => {
const expirationRound = currentRound + ticketValidityPeriod
await fixture.roundsManager.setMockUint256(
functionSig("currentRound()"),
expirationRound
)
await expect(
broker.redeemWinningTicket(
createTicket({
recipient,
sender
}),
web3.utils.asciiToHex("sig"),
5
)
).to.be.revertedWith("ticket is expired")
})
it("reverts if recipientRand is not the preimage for the ticket's recipientRandHash", async () => {
await expect(
broker.redeemWinningTicket(
createTicket({
recipient,
sender
}),
web3.utils.asciiToHex("sig"),
5
)
).to.be.revertedWith(
"recipientRand does not match recipientRandHash"
)
})
it("reverts if sender is unlocked", async () => {
// Unlock the sender
await broker.fundDeposit({value: 100})
await broker.unlock()
await fixture.roundsManager.setMockUint256(
functionSig("currentRound()"),
currentRound + unlockPeriod
)
const recipientRand = 5
const auxData = createAuxData(
currentRound + unlockPeriod,
DUMMY_TICKET_CREATION_ROUND_BLOCK_HASH
)
const ticket = createWinningTicket(
recipient,
sender,
recipientRand,
0,
auxData
)
const ticketHash = getTicketHash(ticket)
const senderSig = await signMsg(ticketHash, sender)
await expect(
broker.redeemWinningTicket(ticket, senderSig, recipientRand)
).to.be.revertedWith("sender is unlocked")
})
it("reverts if ticket is used", async () => {
await broker.fundDeposit({value: 1000})
const recipientRand = 5
const ticket = createWinningTicket(recipient, sender, recipientRand)
const ticketHash = getTicketHash(ticket)
const senderSig = await signMsg(ticketHash, sender)
await broker.redeemWinningTicket(ticket, senderSig, recipientRand)
assert.isOk(await broker.usedTickets(ticketHash))
await expect(
broker.redeemWinningTicket(ticket, senderSig, recipientRand)
).to.be.revertedWith("ticket is used")
})
it("reverts if sender signature over ticket hash is invalid", async () => {
const recipientRand = 5
const recipientRandHash = web3.utils.soliditySha3(recipientRand)
const sig = await signMsg("junk", sender)
await expect(
broker.redeemWinningTicket(
createTicket({
recipient,
sender,
recipientRandHash
}),
sig,
recipientRand
)
).to.be.revertedWith("invalid signature over ticket hash")
})
it("reverts if the ticket did not win", async () => {
const recipientRand = 5
const recipientRandHash = web3.utils.soliditySha3(recipientRand)
const ticket = createTicket({
recipient,
sender,
recipientRandHash
})
const senderSig = await signMsg(getTicketHash(ticket), sender)
await expect(
broker.redeemWinningTicket(ticket, senderSig, recipientRand)
).to.be.revertedWith("ticket did not win")
})
it("reverts if sender's deposit and reserve are zero", async () => {
const recipientRand = 5
const ticket = createWinningTicket(recipient, sender, recipientRand)
const senderSig = await signMsg(getTicketHash(ticket), sender)
await expect(
broker.redeemWinningTicket(ticket, senderSig, recipientRand)
).to.be.revertedWith("sender deposit and reserve are zero")
})
describe("only legacy long-signatures are supported by the protocol ", () => {
let ticket
const recipientRand = 5
beforeEach(async () => {
const deposit = 50
const reserve = 50000
await broker.fundDeposit({value: deposit})
await broker.fundReserve({value: reserve})
ticket = createWinningTicket(recipient, sender, recipientRand)
})
it("only accepts legacy long signatures", async () => {
const brokerMock = await (
await ethers.getContractFactory("TickerBrokerExtendedMock")
).deploy(fixture.controller.address)
const longSignature = await signMsg(
getTicketHash(ticket),
ticket.sender
)
const eip2098Signature = await to2098Format(longSignature)
const hasLongSignatureWon =
await brokerMock.validateAndCheckTicketOutcome(
ticket.sender,
getTicketHash(ticket),
longSignature,
recipientRand,
ticket.winProb
)
const longSignatureToNumber = await brokerMock.checkResult(
longSignature,
recipientRand
)
await expect(
brokerMock.validateAndCheckTicketOutcome(
ticket.sender,
getTicketHash(ticket),
eip2098Signature,
recipientRand,
ticket.winProb
)
).to.be.revertedWith("INVALID_SIGNATURE_LENGTH")
const eip2098SignatureToNumber = await brokerMock.checkResult(
eip2098Signature,
recipientRand
)
expect(longSignature, "signatures are identical").to.not.be.eq(
eip2098Signature
)
expect(
longSignatureToNumber,
"signature-generated pseudorandom numbers are identical"
).to.not.be.eq(eip2098SignatureToNumber)
expect(hasLongSignatureWon, "long signature not eligible").to.be
.true
// / flipping v value
const flippedLongSignature = flipV(longSignature)
const flippedEIP2098Signature =
to2098Format(flippedLongSignature)
expect(
getLongSigV(flippedLongSignature),