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home_bridge.test.js
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home_bridge.test.js
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const HomeBridge = artifacts.require('HomeBridgeErcToErc.sol')
const POSDAOHomeBridge = artifacts.require('HomeBridgeErcToErcPOSDAO.sol')
const EternalStorageProxy = artifacts.require('EternalStorageProxy.sol')
const BridgeValidators = artifacts.require('BridgeValidators.sol')
const ERC677BridgeToken = artifacts.require('ERC677BridgeToken.sol')
const ERC677BridgeTokenRewardable = artifacts.require('ERC677BridgeTokenRewardable.sol')
const FeeManagerErcToErcPOSDAO = artifacts.require('FeeManagerErcToErcPOSDAO.sol')
const RewardableValidators = artifacts.require('RewardableValidators.sol')
const BlockReward = artifacts.require('BlockReward')
const OldBlockReward = artifacts.require('OldBlockReward')
const { expect } = require('chai')
const { ERROR_MSG, ZERO_ADDRESS, toBN } = require('../setup')
const { createMessage, sign, getEvents, ether, expectEventInLogs } = require('../helpers/helpers')
const minPerTx = ether('0.01')
const requireBlockConfirmations = 8
const gasPrice = web3.utils.toWei('1', 'gwei')
const quarterEther = ether('0.25')
const oneEther = ether('1')
const halfEther = ether('0.5')
const foreignDailyLimit = oneEther
const foreignMaxPerTx = halfEther
const ZERO = toBN(0)
const decimalShiftZero = 0
const markedAsProcessed = toBN(2)
.pow(toBN(255))
.add(toBN(1))
contract('HomeBridge_ERC20_to_ERC20', async accounts => {
let homeContract
let validatorContract
let authorities
let owner
let token
before(async () => {
validatorContract = await BridgeValidators.new()
authorities = [accounts[1]]
owner = accounts[0]
await validatorContract.initialize(1, authorities, owner)
})
describe('#initialize', async () => {
beforeEach(async () => {
homeContract = await HomeBridge.new()
token = await ERC677BridgeToken.new('Some ERC20', 'RSZT', 18)
})
it('sets variables', async () => {
expect(await homeContract.validatorContract()).to.be.equal(ZERO_ADDRESS)
expect(await homeContract.deployedAtBlock()).to.be.bignumber.equal(ZERO)
expect(await homeContract.dailyLimit()).to.be.bignumber.equal(ZERO)
expect(await homeContract.maxPerTx()).to.be.bignumber.equal(ZERO)
expect(await homeContract.decimalShift()).to.be.bignumber.equal(ZERO)
expect(await homeContract.isInitialized()).to.be.equal(false)
const { logs } = await homeContract.initialize(
validatorContract.address,
['3', '2', '1'],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
'9'
).should.be.fulfilled
expect(await homeContract.isInitialized()).to.be.equal(true)
expect(await homeContract.validatorContract()).to.be.equal(validatorContract.address)
expect(await homeContract.deployedAtBlock()).to.be.bignumber.above(ZERO)
expect(await homeContract.dailyLimit()).to.be.bignumber.equal('3')
expect(await homeContract.maxPerTx()).to.be.bignumber.equal('2')
expect(await homeContract.minPerTx()).to.be.bignumber.equal('1')
expect(await homeContract.decimalShift()).to.be.bignumber.equal('9')
const bridgeMode = '0xba4690f5' // 4 bytes of keccak256('erc-to-erc-core')
expect(await homeContract.getBridgeMode()).to.be.equal(bridgeMode)
const { major, minor, patch } = await homeContract.getBridgeInterfacesVersion()
expect(major).to.be.bignumber.gte(ZERO)
expect(minor).to.be.bignumber.gte(ZERO)
expect(patch).to.be.bignumber.gte(ZERO)
expectEventInLogs(logs, 'RequiredBlockConfirmationChanged', {
requiredBlockConfirmations: toBN(requireBlockConfirmations)
})
expectEventInLogs(logs, 'GasPriceChanged', { gasPrice })
expectEventInLogs(logs, 'DailyLimitChanged', { newLimit: '3' })
expectEventInLogs(logs, 'ExecutionDailyLimitChanged', { newLimit: foreignDailyLimit })
})
it('cant set maxPerTx > dailyLimit', async () => {
expect(await homeContract.isInitialized()).to.be.equal(false)
await homeContract
.initialize(
validatorContract.address,
['1', '2', '1'],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
.should.be.rejectedWith(ERROR_MSG)
await homeContract
.initialize(
validatorContract.address,
['3', '2', '2'],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
.should.be.rejectedWith(ERROR_MSG)
expect(await homeContract.isInitialized()).to.be.equal(false)
})
it('can be deployed via upgradeToAndCall', async () => {
const storageProxy = await EternalStorageProxy.new().should.be.fulfilled
const data = homeContract.contract.methods
.initialize(
validatorContract.address,
['3', '2', '1'],
gasPrice,
requireBlockConfirmations,
token.address,
['3', '2'],
owner,
decimalShiftZero
)
.encodeABI()
await storageProxy.upgradeToAndCall('1', homeContract.address, data).should.be.fulfilled
const finalContract = await HomeBridge.at(storageProxy.address)
expect(await finalContract.isInitialized()).to.be.equal(true)
expect(await finalContract.validatorContract()).to.be.equal(validatorContract.address)
expect(await finalContract.dailyLimit()).to.be.bignumber.equal('3')
expect(await finalContract.maxPerTx()).to.be.bignumber.equal('2')
expect(await finalContract.minPerTx()).to.be.bignumber.equal('1')
})
it('cant initialize with invalid arguments', async () => {
expect(await homeContract.isInitialized()).to.be.equal(false)
await homeContract
.initialize(
validatorContract.address,
['3', '2', '1'],
gasPrice,
0,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
.should.be.rejectedWith(ERROR_MSG)
await homeContract
.initialize(
owner,
['3', '2', '1'],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
.should.be.rejectedWith(ERROR_MSG)
await homeContract
.initialize(
ZERO_ADDRESS,
['3', '2', '1'],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
.should.be.rejectedWith(ERROR_MSG)
await homeContract
.initialize(
validatorContract.address,
['3', '2', '1'],
gasPrice,
requireBlockConfirmations,
ZERO_ADDRESS,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
.should.be.rejectedWith(ERROR_MSG)
await homeContract
.initialize(
validatorContract.address,
['3', '2', '1'],
gasPrice,
requireBlockConfirmations,
owner,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
.should.be.rejectedWith(ERROR_MSG)
await homeContract
.initialize(
validatorContract.address,
['3', '2', '1'],
gasPrice,
requireBlockConfirmations,
token.address,
[halfEther, oneEther],
owner,
decimalShiftZero
)
.should.be.rejectedWith(ERROR_MSG)
await homeContract.initialize(
validatorContract.address,
['3', '2', '1'],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
).should.be.fulfilled
expect(await homeContract.isInitialized()).to.be.equal(true)
})
it('can initialize with zero gas price ', async () => {
// Given
expect(await homeContract.isInitialized()).to.be.equal(false)
// When
await homeContract.initialize(
validatorContract.address,
['3', '2', '1'],
0,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
).should.be.fulfilled
// Then
expect(await homeContract.isInitialized()).to.be.equal(true)
})
})
describe('#fallback', async () => {
beforeEach(async () => {
homeContract = await HomeBridge.new()
token = await ERC677BridgeToken.new('Some ERC20', 'RSZT', 18)
await homeContract.initialize(
validatorContract.address,
['3', '2', '1'],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
})
it('reverts', async () => {
await homeContract
.sendTransaction({
from: accounts[1],
value: 1
})
.should.be.rejectedWith(ERROR_MSG)
})
})
describe('#setting limits', async () => {
let homeContract
beforeEach(async () => {
homeContract = await HomeBridge.new()
token = await ERC677BridgeToken.new('Some ERC20', 'RSZT', 18)
await homeContract.initialize(
validatorContract.address,
['3', '2', '1'],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
})
it('#setMaxPerTx allows to set only to owner and cannot be more than daily limit', async () => {
await homeContract.setMaxPerTx(2, { from: authorities[0] }).should.be.rejectedWith(ERROR_MSG)
await homeContract.setMaxPerTx(2, { from: owner }).should.be.fulfilled
await homeContract.setMaxPerTx(3, { from: owner }).should.be.rejectedWith(ERROR_MSG)
})
it('#setMinPerTx allows to set only to owner and cannot be more than daily limit and should be less than maxPerTx', async () => {
await homeContract.setMinPerTx(1, { from: authorities[0] }).should.be.rejectedWith(ERROR_MSG)
await homeContract.setMinPerTx(1, { from: owner }).should.be.fulfilled
await homeContract.setMinPerTx(2, { from: owner }).should.be.rejectedWith(ERROR_MSG)
})
})
describe('#executeAffirmation', async () => {
let homeBridge
beforeEach(async () => {
homeBridge = await HomeBridge.new()
token = await ERC677BridgeToken.new('Some ERC20', 'RSZT', 18)
await homeBridge.initialize(
validatorContract.address,
[oneEther, halfEther, minPerTx],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
await token.transferOwnership(homeBridge.address)
})
it('should allow validator to withdraw', async () => {
const recipient = accounts[5]
const value = halfEther
const balanceBefore = await token.balanceOf(recipient)
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const { logs } = await homeBridge.executeAffirmation(recipient, value, transactionHash, {
from: authorities[0]
})
expectEventInLogs(logs, 'SignedForAffirmation', {
signer: authorities[0],
transactionHash
})
expectEventInLogs(logs, 'AffirmationCompleted', {
recipient,
value,
transactionHash
})
const totalSupply = await token.totalSupply()
const balanceAfter = await token.balanceOf(recipient)
balanceAfter.should.be.bignumber.equal(balanceBefore.add(value))
totalSupply.should.be.bignumber.equal(value)
const msgHash = web3.utils.soliditySha3(recipient, value, transactionHash)
const senderHash = web3.utils.soliditySha3(authorities[0], msgHash)
true.should.be.equal(await homeBridge.affirmationsSigned(senderHash))
markedAsProcessed.should.be.bignumber.equal(await homeBridge.numAffirmationsSigned(msgHash))
await homeBridge
.executeAffirmation(recipient, value, transactionHash, { from: authorities[0] })
.should.be.rejectedWith(ERROR_MSG)
})
it('should allow validator to withdraw with zero value', async () => {
const recipient = accounts[5]
const value = ZERO
const balanceBefore = await token.balanceOf(recipient)
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const { logs } = await homeBridge.executeAffirmation(recipient, value, transactionHash, {
from: authorities[0]
})
expectEventInLogs(logs, 'SignedForAffirmation', {
signer: authorities[0],
transactionHash
})
expectEventInLogs(logs, 'AffirmationCompleted', {
recipient,
value,
transactionHash
})
const totalSupply = await token.totalSupply()
const balanceAfter = await token.balanceOf(recipient)
balanceAfter.should.be.bignumber.equal(balanceBefore.add(value))
totalSupply.should.be.bignumber.equal(value)
const msgHash = web3.utils.soliditySha3(recipient, value, transactionHash)
const senderHash = web3.utils.soliditySha3(authorities[0], msgHash)
true.should.be.equal(await homeBridge.affirmationsSigned(senderHash))
markedAsProcessed.should.be.bignumber.equal(await homeBridge.numAffirmationsSigned(msgHash))
await homeBridge
.executeAffirmation(recipient, value, transactionHash, { from: authorities[0] })
.should.be.rejectedWith(ERROR_MSG)
})
it('test with 2 signatures required', async () => {
const token2sig = await ERC677BridgeToken.new('Some ERC20', 'RSZT', 18)
const validatorContractWith2Signatures = await BridgeValidators.new()
const authoritiesThreeAccs = [accounts[1], accounts[2], accounts[3]]
const ownerOfValidators = accounts[0]
await validatorContractWith2Signatures.initialize(2, authoritiesThreeAccs, ownerOfValidators)
const homeBridgeWithTwoSigs = await HomeBridge.new()
await homeBridgeWithTwoSigs.initialize(
validatorContractWith2Signatures.address,
[oneEther, halfEther, minPerTx],
gasPrice,
requireBlockConfirmations,
token2sig.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
await token2sig.transferOwnership(homeBridgeWithTwoSigs.address)
const recipient = accounts[5]
const value = halfEther
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const balanceBefore = await token2sig.balanceOf(recipient)
const msgHash = web3.utils.soliditySha3(recipient, value, transactionHash)
const { logs } = await homeBridgeWithTwoSigs.executeAffirmation(recipient, value, transactionHash, {
from: authoritiesThreeAccs[0]
}).should.be.fulfilled
expectEventInLogs(logs, 'SignedForAffirmation', {
signer: authorities[0],
transactionHash
})
expect(await token2sig.totalSupply()).to.be.bignumber.equal(ZERO)
const notProcessed = await homeBridgeWithTwoSigs.numAffirmationsSigned(msgHash)
notProcessed.should.be.bignumber.equal('1')
await homeBridgeWithTwoSigs
.executeAffirmation(recipient, value, transactionHash, { from: authoritiesThreeAccs[0] })
.should.be.rejectedWith(ERROR_MSG)
const secondSignature = await homeBridgeWithTwoSigs.executeAffirmation(recipient, value, transactionHash, {
from: authoritiesThreeAccs[1]
}).should.be.fulfilled
const balanceAfter = await token2sig.balanceOf(recipient)
balanceAfter.should.be.bignumber.equal(balanceBefore.add(value))
expectEventInLogs(secondSignature.logs, 'AffirmationCompleted', {
recipient,
value,
transactionHash
})
const senderHash = web3.utils.soliditySha3(authoritiesThreeAccs[0], msgHash)
true.should.be.equal(await homeBridgeWithTwoSigs.affirmationsSigned(senderHash))
const senderHash2 = web3.utils.soliditySha3(authoritiesThreeAccs[1], msgHash)
true.should.be.equal(await homeBridgeWithTwoSigs.affirmationsSigned(senderHash2))
const processed = toBN(2)
.pow(toBN(255))
.add(toBN(2))
expect(await homeBridgeWithTwoSigs.numAffirmationsSigned(msgHash)).to.be.bignumber.equal(processed)
})
it('should not allow to double submit', async () => {
const recipient = accounts[5]
const value = '1'
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
await homeBridge.executeAffirmation(recipient, value, transactionHash, {
from: authorities[0]
}).should.be.fulfilled
await homeBridge
.executeAffirmation(recipient, value, transactionHash, { from: authorities[0] })
.should.be.rejectedWith(ERROR_MSG)
})
it('should not allow non-authorities to execute deposit', async () => {
const recipient = accounts[5]
const value = oneEther
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
await homeBridge
.executeAffirmation(recipient, value, transactionHash, { from: accounts[7] })
.should.be.rejectedWith(ERROR_MSG)
})
it('doesnt allow to deposit if requiredSignatures has changed', async () => {
const token2sig = await ERC677BridgeToken.new('Some ERC20', 'RSZT', 18)
const validatorContractWith2Signatures = await BridgeValidators.new()
const authoritiesThreeAccs = [accounts[1], accounts[2], accounts[3]]
const ownerOfValidators = accounts[0]
await validatorContractWith2Signatures.initialize(2, authoritiesThreeAccs, ownerOfValidators)
const homeBridgeWithTwoSigs = await HomeBridge.new()
await homeBridgeWithTwoSigs.initialize(
validatorContractWith2Signatures.address,
[oneEther, halfEther, minPerTx],
gasPrice,
requireBlockConfirmations,
token2sig.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
await token2sig.transferOwnership(homeBridgeWithTwoSigs.address)
const recipient = accounts[5]
const value = halfEther.div(toBN(2))
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const balanceBefore = await token.balanceOf(recipient)
await homeBridgeWithTwoSigs.executeAffirmation(recipient, value, transactionHash, {
from: authoritiesThreeAccs[0]
}).should.be.fulfilled
await homeBridgeWithTwoSigs.executeAffirmation(recipient, value, transactionHash, {
from: authoritiesThreeAccs[1]
}).should.be.fulfilled
balanceBefore.add(value).should.be.bignumber.equal(await token2sig.balanceOf(recipient))
await validatorContractWith2Signatures.setRequiredSignatures(3).should.be.fulfilled
await homeBridgeWithTwoSigs
.executeAffirmation(recipient, value, transactionHash, { from: authoritiesThreeAccs[2] })
.should.be.rejectedWith(ERROR_MSG)
await validatorContractWith2Signatures.setRequiredSignatures(1).should.be.fulfilled
await homeBridgeWithTwoSigs
.executeAffirmation(recipient, value, transactionHash, { from: authoritiesThreeAccs[2] })
.should.be.rejectedWith(ERROR_MSG)
balanceBefore.add(value).should.be.bignumber.equal(await token2sig.balanceOf(recipient))
})
it('works with 5 validators and 3 required signatures', async () => {
const recipient = accounts[8]
const authoritiesFiveAccs = [accounts[1], accounts[2], accounts[3], accounts[4], accounts[5]]
const ownerOfValidators = accounts[0]
const validatorContractWith3Signatures = await BridgeValidators.new()
await validatorContractWith3Signatures.initialize(3, authoritiesFiveAccs, ownerOfValidators)
const token = await ERC677BridgeToken.new('Some ERC20', 'RSZT', 18)
const homeBridgeWithThreeSigs = await HomeBridge.new()
await homeBridgeWithThreeSigs.initialize(
validatorContractWith3Signatures.address,
[oneEther, halfEther, minPerTx],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
await token.transferOwnership(homeBridgeWithThreeSigs.address)
const value = ether('0.5')
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const { logs } = await homeBridgeWithThreeSigs.executeAffirmation(recipient, value, transactionHash, {
from: authoritiesFiveAccs[0]
}).should.be.fulfilled
expectEventInLogs(logs, 'SignedForAffirmation', {
signer: authorities[0],
transactionHash
})
await homeBridgeWithThreeSigs.executeAffirmation(recipient, value, transactionHash, {
from: authoritiesFiveAccs[1]
}).should.be.fulfilled
const thirdSignature = await homeBridgeWithThreeSigs.executeAffirmation(recipient, value, transactionHash, {
from: authoritiesFiveAccs[2]
}).should.be.fulfilled
expectEventInLogs(thirdSignature.logs, 'AffirmationCompleted', {
recipient,
value,
transactionHash
})
})
it('should not allow execute affirmation over foreign max tx limit', async () => {
const recipient = accounts[5]
const value = oneEther
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const { logs } = await homeBridge.executeAffirmation(recipient, value, transactionHash, {
from: authorities[0]
}).should.be.fulfilled
expectEventInLogs(logs, 'AmountLimitExceeded', {
recipient,
value,
transactionHash
})
})
it('should fail if txHash already set as above of limits', async () => {
const recipient = accounts[5]
const value = oneEther
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const { logs } = await homeBridge.executeAffirmation(recipient, value, transactionHash, {
from: authorities[0]
}).should.be.fulfilled
expectEventInLogs(logs, 'AmountLimitExceeded', {
recipient,
value,
transactionHash
})
await homeBridge
.executeAffirmation(recipient, value, transactionHash, { from: authorities[0] })
.should.be.rejectedWith(ERROR_MSG)
await homeBridge
.executeAffirmation(accounts[6], value, transactionHash, { from: authorities[0] })
.should.be.rejectedWith(ERROR_MSG)
})
it('should not allow execute affirmation over daily foreign limit', async () => {
const recipient = accounts[5]
const value = halfEther
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const { logs } = await homeBridge.executeAffirmation(recipient, value, transactionHash, {
from: authorities[0]
}).should.be.fulfilled
expectEventInLogs(logs, 'SignedForAffirmation', {
signer: authorities[0],
transactionHash
})
expectEventInLogs(logs, 'AffirmationCompleted', {
recipient,
value,
transactionHash
})
const transactionHash2 = '0x35d3818e50234655f6aebb2a1cfbf30f59568d8a4ec72066fac5a25dbe7b8121'
const { logs: logs2 } = await homeBridge.executeAffirmation(recipient, value, transactionHash2, {
from: authorities[0]
}).should.be.fulfilled
expectEventInLogs(logs2, 'SignedForAffirmation', {
signer: authorities[0],
transactionHash: transactionHash2
})
expectEventInLogs(logs2, 'AffirmationCompleted', {
recipient,
value,
transactionHash: transactionHash2
})
const transactionHash3 = '0x69debd8fd1923c9cb3cd8ef6461e2740b2d037943b941729d5a47671a2bb8712'
const { logs: logs3 } = await homeBridge.executeAffirmation(recipient, value, transactionHash3, {
from: authorities[0]
}).should.be.fulfilled
expectEventInLogs(logs3, 'AmountLimitExceeded', {
recipient,
value,
transactionHash: transactionHash3
})
const outOfLimitAmount = await homeBridge.outOfLimitAmount()
outOfLimitAmount.should.be.bignumber.equal(halfEther)
const transactionHash4 = '0xc9ffe298d85ec5c515153608924b7bdcf1835539813dcc82cdbcc071170c3196'
const { logs: logs4 } = await homeBridge.executeAffirmation(recipient, value, transactionHash4, {
from: authorities[0]
}).should.be.fulfilled
expectEventInLogs(logs4, 'AmountLimitExceeded', {
recipient,
value,
transactionHash: transactionHash4
})
expect(await homeBridge.outOfLimitAmount()).to.be.bignumber.equal(oneEther)
})
})
describe('#isAlreadyProcessed', async () => {
it('returns ', async () => {
const homeBridge = await HomeBridge.new()
const bn = toBN(2).pow(toBN(255))
const processedNumbers = [bn.add(toBN(1)).toString(10), bn.add(toBN(100)).toString(10)]
true.should.be.equal(await homeBridge.isAlreadyProcessed(processedNumbers[0]))
true.should.be.equal(await homeBridge.isAlreadyProcessed(processedNumbers[1]))
false.should.be.equal(await homeBridge.isAlreadyProcessed(10))
})
})
describe('#submitSignature', async () => {
let validatorContractWith2Signatures
let authoritiesThreeAccs
let ownerOfValidators
let homeBridgeWithTwoSigs
beforeEach(async () => {
const token2sig = await ERC677BridgeToken.new('Some ERC20', 'RSZT', 18)
validatorContractWith2Signatures = await BridgeValidators.new()
authoritiesThreeAccs = [accounts[1], accounts[2], accounts[3]]
ownerOfValidators = accounts[0]
await validatorContractWith2Signatures.initialize(2, authoritiesThreeAccs, ownerOfValidators)
homeBridgeWithTwoSigs = await HomeBridge.new()
await homeBridgeWithTwoSigs.initialize(
validatorContractWith2Signatures.address,
[oneEther, halfEther, minPerTx],
gasPrice,
requireBlockConfirmations,
token2sig.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
await token2sig.transferOwnership(homeBridgeWithTwoSigs.address)
})
it('allows a validator to submit a signature', async () => {
const recipientAccount = accounts[8]
const value = ether('0.5')
const transactionHash = '0x1045bfe274b88120a6b1e5d01b5ec00ab5d01098346e90e7c7a3c9b8f0181c80'
const message = createMessage(recipientAccount, value, transactionHash, homeBridgeWithTwoSigs.address)
const signature = await sign(authoritiesThreeAccs[0], message)
const { logs } = await homeBridgeWithTwoSigs.submitSignature(signature, message, {
from: authorities[0]
}).should.be.fulfilled
logs[0].event.should.be.equal('SignedForUserRequest')
const msgHashFromLog = logs[0].args.messageHash
const signatureFromContract = await homeBridgeWithTwoSigs.signature(msgHashFromLog, 0)
const messageFromContract = await homeBridgeWithTwoSigs.message(msgHashFromLog)
signature.should.be.equal(signatureFromContract)
messageFromContract.should.be.equal(messageFromContract)
const hashMsg = web3.utils.soliditySha3(message)
expect(await homeBridgeWithTwoSigs.numMessagesSigned(hashMsg)).to.be.bignumber.equal('1')
const hashSenderMsg = web3.utils.soliditySha3(authorities[0], hashMsg)
true.should.be.equal(await homeBridgeWithTwoSigs.messagesSigned(hashSenderMsg))
})
it('when enough requiredSignatures are collected, CollectedSignatures event is emitted', async () => {
const recipientAccount = accounts[8]
const value = ether('0.5')
const transactionHash = '0x1045bfe274b88120a6b1e5d01b5ec00ab5d01098346e90e7c7a3c9b8f0181c80'
const message = createMessage(recipientAccount, value, transactionHash, homeBridgeWithTwoSigs.address)
const hashMsg = web3.utils.soliditySha3(message)
const signature = await sign(authoritiesThreeAccs[0], message)
const signature2 = await sign(authoritiesThreeAccs[1], message)
expect(await validatorContractWith2Signatures.requiredSignatures()).to.be.bignumber.equal('2')
await homeBridgeWithTwoSigs.submitSignature(signature, message, {
from: authoritiesThreeAccs[0]
}).should.be.fulfilled
await homeBridgeWithTwoSigs
.submitSignature(signature, message, { from: authoritiesThreeAccs[0] })
.should.be.rejectedWith(ERROR_MSG)
await homeBridgeWithTwoSigs
.submitSignature(signature, message, { from: authoritiesThreeAccs[1] })
.should.be.rejectedWith(ERROR_MSG)
const { logs } = await homeBridgeWithTwoSigs.submitSignature(signature2, message, {
from: authoritiesThreeAccs[1]
}).should.be.fulfilled
logs.length.should.be.equal(2)
logs[1].event.should.be.equal('CollectedSignatures')
logs[1].args.authorityResponsibleForRelay.should.be.equal(authoritiesThreeAccs[1])
const markedAsProcessed = toBN(2)
.pow(toBN(255))
.add(toBN(2))
markedAsProcessed.should.be.bignumber.equal(await homeBridgeWithTwoSigs.numMessagesSigned(hashMsg))
})
it('works with 5 validators and 3 required signatures', async () => {
const recipientAccount = accounts[8]
const authoritiesFiveAccs = [accounts[1], accounts[2], accounts[3], accounts[4], accounts[5]]
const validatorContractWith3Signatures = await BridgeValidators.new()
await validatorContractWith3Signatures.initialize(3, authoritiesFiveAccs, ownerOfValidators)
const token = await ERC677BridgeToken.new('Some ERC20', 'RSZT', 18)
const homeBridgeWithThreeSigs = await HomeBridge.new()
await homeBridgeWithThreeSigs.initialize(
validatorContractWith3Signatures.address,
[oneEther, halfEther, minPerTx],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
)
const value = ether('0.5')
const transactionHash = '0x1045bfe274b88120a6b1e5d01b5ec00ab5d01098346e90e7c7a3c9b8f0181c80'
const message = createMessage(recipientAccount, value, transactionHash, homeBridgeWithThreeSigs.address)
const signature = await sign(authoritiesFiveAccs[0], message)
const signature2 = await sign(authoritiesFiveAccs[1], message)
const signature3 = await sign(authoritiesFiveAccs[2], message)
expect(await validatorContractWith3Signatures.requiredSignatures()).to.be.bignumber.equal('3')
await homeBridgeWithThreeSigs.submitSignature(signature, message, {
from: authoritiesFiveAccs[0]
}).should.be.fulfilled
await homeBridgeWithThreeSigs.submitSignature(signature2, message, {
from: authoritiesFiveAccs[1]
}).should.be.fulfilled
const { logs } = await homeBridgeWithThreeSigs.submitSignature(signature3, message, {
from: authoritiesFiveAccs[2]
}).should.be.fulfilled
logs.length.should.be.equal(2)
logs[1].event.should.be.equal('CollectedSignatures')
logs[1].args.authorityResponsibleForRelay.should.be.equal(authoritiesFiveAccs[2])
})
it('attack when increasing requiredSignatures', async () => {
const recipientAccount = accounts[8]
const value = ether('0.5')
const transactionHash = '0x1045bfe274b88120a6b1e5d01b5ec00ab5d01098346e90e7c7a3c9b8f0181c80'
const message = createMessage(recipientAccount, value, transactionHash, homeBridgeWithTwoSigs.address)
const signature = await sign(authoritiesThreeAccs[0], message)
const signature2 = await sign(authoritiesThreeAccs[1], message)
const signature3 = await sign(authoritiesThreeAccs[2], message)
expect(await validatorContractWith2Signatures.requiredSignatures()).to.be.bignumber.equal('2')
await homeBridgeWithTwoSigs.submitSignature(signature, message, {
from: authoritiesThreeAccs[0]
}).should.be.fulfilled
await homeBridgeWithTwoSigs
.submitSignature(signature, message, { from: authoritiesThreeAccs[0] })
.should.be.rejectedWith(ERROR_MSG)
await homeBridgeWithTwoSigs
.submitSignature(signature, message, { from: authoritiesThreeAccs[1] })
.should.be.rejectedWith(ERROR_MSG)
const { logs } = await homeBridgeWithTwoSigs.submitSignature(signature2, message, {
from: authoritiesThreeAccs[1]
}).should.be.fulfilled
logs.length.should.be.equal(2)
logs[1].event.should.be.equal('CollectedSignatures')
logs[1].args.authorityResponsibleForRelay.should.be.equal(authoritiesThreeAccs[1])
await validatorContractWith2Signatures.setRequiredSignatures(3).should.be.fulfilled
expect(await validatorContractWith2Signatures.requiredSignatures()).to.be.bignumber.equal('3')
await homeBridgeWithTwoSigs
.submitSignature(signature3, message, { from: authoritiesThreeAccs[2] })
.should.be.rejectedWith(ERROR_MSG)
})
it('attack when decreasing requiredSignatures', async () => {
const recipientAccount = accounts[8]
const value = ether('0.5')
const transactionHash = '0x1045bfe274b88120a6b1e5d01b5ec00ab5d01098346e90e7c7a3c9b8f0181c80'
const message = createMessage(recipientAccount, value, transactionHash, homeBridgeWithTwoSigs.address)
const signature = await sign(authoritiesThreeAccs[0], message)
const signature2 = await sign(authoritiesThreeAccs[1], message)
expect(await validatorContractWith2Signatures.requiredSignatures()).to.be.bignumber.equal('2')
await homeBridgeWithTwoSigs.submitSignature(signature, message, {
from: authoritiesThreeAccs[0]
}).should.be.fulfilled
await validatorContractWith2Signatures.setRequiredSignatures(1).should.be.fulfilled
expect(await validatorContractWith2Signatures.requiredSignatures()).to.be.bignumber.equal('1')
const { logs } = await homeBridgeWithTwoSigs.submitSignature(signature2, message, {
from: authoritiesThreeAccs[1]
}).should.be.fulfilled
logs.length.should.be.equal(2)
logs[1].event.should.be.equal('CollectedSignatures')
logs[1].args.authorityResponsibleForRelay.should.be.equal(authoritiesThreeAccs[1])
})
})
describe('#requiredMessageLength', async () => {
beforeEach(async () => {
homeContract = await HomeBridge.new()
})
it('should return the required message length', async () => {
const requiredMessageLength = await homeContract.requiredMessageLength()
expect(requiredMessageLength).to.be.bignumber.equal('104')
})
})
describe('#fixAssetsAboveLimits', async () => {
let homeBridge
beforeEach(async () => {
const homeBridgeImpl = await HomeBridge.new()
const storageProxy = await EternalStorageProxy.new().should.be.fulfilled
await storageProxy.upgradeTo('1', homeBridgeImpl.address).should.be.fulfilled
homeBridge = await HomeBridge.at(storageProxy.address)
await homeBridge.initialize(
validatorContract.address,
[oneEther, halfEther, minPerTx],
gasPrice,
requireBlockConfirmations,
token.address,
[foreignDailyLimit, foreignMaxPerTx],
owner,
decimalShiftZero
).should.be.fulfilled
})
it('Should revert if value to unlock is bigger than max per transaction', async () => {
const recipient = accounts[5]
const value = oneEther
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const { logs: affirmationLogs } = await homeBridge.executeAffirmation(recipient, value, transactionHash, {
from: authorities[0]
}).should.be.fulfilled
affirmationLogs[0].event.should.be.equal('AmountLimitExceeded')
const outOfLimitAmount = await homeBridge.outOfLimitAmount()
outOfLimitAmount.should.be.bignumber.equal(value)
await homeBridge.fixAssetsAboveLimits(transactionHash, false, value).should.be.rejectedWith(ERROR_MSG)
})
it('Should allow to partially reduce outOfLimitAmount and not emit UserRequestForSignature', async () => {
const recipient = accounts[5]
const value = oneEther
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const { logs: affirmationLogs } = await homeBridge.executeAffirmation(recipient, value, transactionHash, {
from: authorities[0]
}).should.be.fulfilled
affirmationLogs[0].event.should.be.equal('AmountLimitExceeded')
const outOfLimitAmount = await homeBridge.outOfLimitAmount()
outOfLimitAmount.should.be.bignumber.equal(value)
const { logs } = await homeBridge.fixAssetsAboveLimits(transactionHash, false, halfEther).should.be.fulfilled
logs.length.should.be.equal(1)
expectEventInLogs(logs, 'AssetAboveLimitsFixed', {
transactionHash,
value: halfEther,
remaining: halfEther
})
expect(await homeBridge.outOfLimitAmount()).to.be.bignumber.equal(halfEther)
const { logs: logsSecondTx } = await homeBridge.fixAssetsAboveLimits(transactionHash, false, halfEther).should.be
.fulfilled
logsSecondTx.length.should.be.equal(1)
expectEventInLogs(logsSecondTx, 'AssetAboveLimitsFixed', {
transactionHash,
value: halfEther,
remaining: ZERO
})
expect(await homeBridge.outOfLimitAmount()).to.be.bignumber.equal(ZERO)
})
it('Should allow to partially reduce outOfLimitAmount and emit UserRequestForSignature', async () => {
const recipient = accounts[5]
const value = oneEther
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const { logs: affirmationLogs } = await homeBridge.executeAffirmation(recipient, value, transactionHash, {
from: authorities[0]
}).should.be.fulfilled
affirmationLogs[0].event.should.be.equal('AmountLimitExceeded')
const outOfLimitAmount = await homeBridge.outOfLimitAmount()
outOfLimitAmount.should.be.bignumber.equal(value)
const { logs } = await homeBridge.fixAssetsAboveLimits(transactionHash, true, halfEther).should.be.fulfilled
logs.length.should.be.equal(2)
expectEventInLogs(logs, 'AssetAboveLimitsFixed', {
transactionHash,
value: halfEther,
remaining: halfEther
})
expectEventInLogs(logs, 'UserRequestForSignature', {
recipient,
value: halfEther
})
expect(await homeBridge.outOfLimitAmount()).to.be.bignumber.equal(halfEther)
const { logs: logsSecondTx } = await homeBridge.fixAssetsAboveLimits(transactionHash, true, halfEther).should.be
.fulfilled
logsSecondTx.length.should.be.equal(2)
expectEventInLogs(logsSecondTx, 'AssetAboveLimitsFixed', {
transactionHash,
value: halfEther,
remaining: ZERO
})
expectEventInLogs(logsSecondTx, 'UserRequestForSignature', {
recipient,
value: halfEther
})
expect(await homeBridge.outOfLimitAmount()).to.be.bignumber.equal(ZERO)
})
it('Should revert if try to unlock more than available', async () => {
const recipient = accounts[5]
const value = oneEther
const transactionHash = '0x806335163828a8eda675cff9c84fa6e6c7cf06bb44cc6ec832e42fe789d01415'
const { logs: affirmationLogs } = await homeBridge.executeAffirmation(recipient, value, transactionHash, {
from: authorities[0]
}).should.be.fulfilled
affirmationLogs[0].event.should.be.equal('AmountLimitExceeded')
const outOfLimitAmount = await homeBridge.outOfLimitAmount()
outOfLimitAmount.should.be.bignumber.equal(value)
const { logs } = await homeBridge.fixAssetsAboveLimits(transactionHash, true, halfEther).should.be.fulfilled
logs.length.should.be.equal(2)
expectEventInLogs(logs, 'AssetAboveLimitsFixed', {
transactionHash,
value: halfEther,
remaining: halfEther
})
expectEventInLogs(logs, 'UserRequestForSignature', {
recipient,
value: halfEther
})
expect(await homeBridge.outOfLimitAmount()).to.be.bignumber.equal(halfEther)
const { logs: logsSecondTx } = await homeBridge.fixAssetsAboveLimits(transactionHash, true, quarterEther).should
.be.fulfilled
logsSecondTx.length.should.be.equal(2)
expectEventInLogs(logsSecondTx, 'AssetAboveLimitsFixed', {
transactionHash,
value: quarterEther,
remaining: quarterEther
})
expectEventInLogs(logsSecondTx, 'UserRequestForSignature', {
recipient,
value: quarterEther