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sdk.test.ts
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import { Provider } from '@ethersproject/abstract-provider'
import { BigNumber, PopulatedTransaction } from 'ethers'
import { AddressZero, Zero } from '@ethersproject/constants'
import { parseFixed } from '@ethersproject/bignumber'
import { SynapseSDK } from './sdk'
import {
ARB_GMX,
ARB_NETH,
ARB_NUSD,
ARB_POOL_ETH_WRAPPER,
ARB_POOL_NETH,
ARB_POOL_NUSD,
ARB_USDC,
ARB_USDC_E,
ARB_USDT,
ARB_WETH,
AVAX_GMX,
AVAX_GOHM,
AVAX_USDC,
AVAX_USDC_E,
BSC_GOHM,
BSC_USDC,
ETH_DAI,
ETH_POOL_NUSD,
ETH_USDC,
ETH_USDT,
NATIVE_ADDRESS,
} from './constants/testValues'
import { getTestProvider } from './constants/testProviders'
import {
CCTP_ROUTER_ADDRESS_MAP,
MEDIAN_TIME_BRIDGE,
MEDIAN_TIME_CCTP,
ROUTER_ADDRESS_MAP,
SupportedChainId,
} from './constants'
import {
BridgeQuote,
FeeConfig,
Query,
RouterQuery,
SwapQuote,
SynapseModuleSet,
} from './module'
import * as operations from './operations'
// Override fetch to exclude RFQ from tests
global.fetch = jest.fn(() =>
Promise.resolve({
json: () => Promise.resolve({}),
})
) as any
const EXPECTED_GAS_DROP: { [chainId: number]: BigNumber } = {
[SupportedChainId.ETH]: BigNumber.from(0),
[SupportedChainId.ARBITRUM]: parseFixed('0.0003', 18),
[SupportedChainId.BSC]: parseFixed('0.002', 18),
[SupportedChainId.AVALANCHE]: parseFixed('0.025', 18),
}
const expectCorrectFeeConfig = (feeConfig: FeeConfig) => {
expect(feeConfig).toBeDefined()
expect(feeConfig.bridgeFee).toBeGreaterThan(0)
expect(feeConfig.minFee.gt(0)).toBe(true)
expect(feeConfig.maxFee.gt(0)).toBe(true)
}
const expectCorrectBridgeQuote = (bridgeQuote: BridgeQuote) => {
expect(bridgeQuote).toBeDefined()
expect(bridgeQuote.feeAmount.gt(0)).toBe(true)
expectCorrectFeeConfig(bridgeQuote.feeConfig)
expect(bridgeQuote.routerAddress?.length).toBeGreaterThan(0)
expect(bridgeQuote.maxAmountOut.gt(0)).toBe(true)
expect(bridgeQuote.originQuery).toBeDefined()
expect(bridgeQuote.destQuery).toBeDefined()
expect(bridgeQuote.originChainId).toBeDefined()
expect(bridgeQuote.destChainId).toBeDefined()
}
const expectCorrectPopulatedTransaction = (
populatedTransaction: PopulatedTransaction,
expectedValue: BigNumber = Zero
) => {
expect(populatedTransaction).toBeDefined()
expect(populatedTransaction.data?.length).toBeGreaterThan(0)
expect(populatedTransaction.to?.length).toBeGreaterThan(0)
expect(populatedTransaction.value).toEqual(expectedValue)
}
const createBridgeQuoteTests = (
synapse: SynapseSDK,
originChainId: number,
destChainId: number,
token: string,
amount: BigNumber,
resultPromise: Promise<BridgeQuote>
) => {
let result: BridgeQuote
beforeAll(async () => {
result = await resultPromise
})
it('Generates a bridge quote with valid uuid', async () => {
expect(typeof result.id).toBe('string')
})
it('Fetches a bridge quote', async () => {
expectCorrectBridgeQuote(result)
})
it('Could be used for bridging', async () => {
const expectedValue = token === NATIVE_ADDRESS ? amount : Zero
const data = await synapse.bridge(
'0x0000000000000000000000000000000000001337',
result.routerAddress,
originChainId,
destChainId,
token,
amount,
result.originQuery,
result.destQuery
)
expectCorrectPopulatedTransaction(data, expectedValue)
})
}
const createSwapQuoteTests = (
synapse: SynapseSDK,
chainId: number,
token: string,
amount: BigNumber,
resultPromise: Promise<SwapQuote>
) => {
let result: SwapQuote
beforeAll(async () => {
result = await resultPromise
})
it('Fetches a swap quote', async () => {
expect(result).toBeDefined()
expect(result.routerAddress?.length).toBeGreaterThan(0)
expect(result.maxAmountOut.gt(0)).toBe(true)
expect(result.query).toBeDefined()
})
it('Could be used for swapping', async () => {
const expectedValue = token === NATIVE_ADDRESS ? amount : Zero
const data = await synapse.swap(
chainId,
'0x0000000000000000000000000000000000001337',
token,
amount,
result.query
)
expectCorrectPopulatedTransaction(data, expectedValue)
})
}
describe('SynapseSDK', () => {
const ethProvider: Provider = getTestProvider(SupportedChainId.ETH)
const arbProvider: Provider = getTestProvider(SupportedChainId.ARBITRUM)
const opProvider: Provider = getTestProvider(SupportedChainId.OPTIMISM)
const avaxProvider: Provider = getTestProvider(SupportedChainId.AVALANCHE)
const bscProvider: Provider = getTestProvider(SupportedChainId.BSC)
// Chain where CCTP is unlikely to be deployed
const moonbeamProvider: Provider = getTestProvider(SupportedChainId.MOONBEAM)
describe('#constructor', () => {
const synapse = new SynapseSDK(
[
SupportedChainId.ETH,
SupportedChainId.ARBITRUM,
SupportedChainId.MOONBEAM,
],
[ethProvider, arbProvider, moonbeamProvider]
)
it('fails with unequal amount of chains to providers', () => {
const chainIds = [SupportedChainId.ETH, SupportedChainId.ARBITRUM]
const testProviders = [ethProvider]
expect(() => new SynapseSDK(chainIds, testProviders)).toThrow(
'Amount of chains and providers does not equal'
)
})
it('Instantiates SynapseRouters for each chain', () => {
expect(synapse.synapseRouterSet).toBeDefined()
expect(
synapse.synapseRouterSet.routers[SupportedChainId.ETH]
).toBeDefined()
expect(
synapse.synapseRouterSet.routers[SupportedChainId.ARBITRUM]
).toBeDefined()
expect(
synapse.synapseRouterSet.routers[SupportedChainId.MOONBEAM]
).toBeDefined()
})
it('Does not instantiate SynapseRouters for chains without providers', () => {
expect(
synapse.synapseRouterSet.routers[SupportedChainId.AVALANCHE]
).toBeUndefined()
})
it('Instantiates SynapseCCTPRouters for each chain with CCTP', () => {
expect(synapse.synapseCCTPRouterSet).toBeDefined()
expect(
synapse.synapseCCTPRouterSet.routers[SupportedChainId.ETH]
).toBeDefined()
expect(
synapse.synapseCCTPRouterSet.routers[SupportedChainId.ARBITRUM]
).toBeDefined()
})
it('Does not instantiate SynapseCCTPRouters for chains without CCTP', () => {
expect(
synapse.synapseCCTPRouterSet.routers[SupportedChainId.MOONBEAM]
).toBeUndefined()
})
it('Does not instantiate SynapseCCTPRouters for chains without providers', () => {
expect(
synapse.synapseCCTPRouterSet.routers[SupportedChainId.AVALANCHE]
).toBeUndefined()
})
it('Saves providers', () => {
expect(synapse.providers[SupportedChainId.ETH]).toBe(ethProvider)
expect(synapse.providers[SupportedChainId.ARBITRUM]).toBe(arbProvider)
expect(synapse.providers[SupportedChainId.MOONBEAM]).toBe(
moonbeamProvider
)
})
})
describe('Bridging: ETH -> ARB', () => {
const synapse = new SynapseSDK(
[SupportedChainId.ETH, SupportedChainId.ARBITRUM],
[ethProvider, arbProvider]
)
describe('ETH USDC -> ARB USDC', () => {
const amount = BigNumber.from(10).pow(9)
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.ETH,
SupportedChainId.ARBITRUM,
ETH_USDC,
ARB_USDC,
amount
)
createBridgeQuoteTests(
synapse,
SupportedChainId.ETH,
SupportedChainId.ARBITRUM,
ETH_USDC,
amount,
resultPromise
)
})
describe('ETH Native -> ARB Native', () => {
const amount = BigNumber.from(10).pow(18)
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.ETH,
SupportedChainId.ARBITRUM,
NATIVE_ADDRESS,
NATIVE_ADDRESS,
amount
)
createBridgeQuoteTests(
synapse,
SupportedChainId.ETH,
SupportedChainId.ARBITRUM,
NATIVE_ADDRESS,
amount,
resultPromise
)
it('Fetches a Synapse bridge quote', async () => {
const result = await resultPromise
expect(result.routerAddress).toEqual(
ROUTER_ADDRESS_MAP[SupportedChainId.ETH]
)
// SynapseRouterQuery has swapAdapter property
expect(result.originQuery.swapAdapter).toBeDefined()
// Estimated time must match the SynapseBridge median time
expect(result.estimatedTime).toEqual(
MEDIAN_TIME_BRIDGE[SupportedChainId.ETH]
)
expect(result.bridgeModuleName).toEqual('SynapseBridge')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.ARBITRUM]
)
expect(result.originChainId).toEqual(SupportedChainId.ETH)
expect(result.destChainId).toEqual(SupportedChainId.ARBITRUM)
})
})
})
describe('Bridging: AVAX -> BSC', () => {
const synapse = new SynapseSDK(
[SupportedChainId.AVALANCHE, SupportedChainId.BSC],
[avaxProvider, bscProvider]
)
describe('AVAX USDC.e -> BSC USDC', () => {
const amount = BigNumber.from(10).pow(9)
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.AVALANCHE,
SupportedChainId.BSC,
AVAX_USDC_E,
BSC_USDC,
amount
)
createBridgeQuoteTests(
synapse,
SupportedChainId.AVALANCHE,
SupportedChainId.BSC,
AVAX_USDC_E,
amount,
resultPromise
)
it('Fetches a Synapse bridge quote', async () => {
const result = await resultPromise
expect(result.routerAddress).toEqual(
ROUTER_ADDRESS_MAP[SupportedChainId.AVALANCHE]
)
// SynapseRouterQuery has swapAdapter property
expect(result.originQuery.swapAdapter).toBeDefined()
// Estimated time must match the SynapseBridge median time
expect(result.estimatedTime).toEqual(
MEDIAN_TIME_BRIDGE[SupportedChainId.AVALANCHE]
)
expect(result.bridgeModuleName).toEqual('SynapseBridge')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.BSC]
)
expect(result.originChainId).toEqual(SupportedChainId.AVALANCHE)
expect(result.destChainId).toEqual(SupportedChainId.BSC)
})
})
describe('AVAX gOHM -> BSC gOHM', () => {
const amount = BigNumber.from(10).pow(21)
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.AVALANCHE,
SupportedChainId.BSC,
AVAX_GOHM,
BSC_GOHM,
amount
)
createBridgeQuoteTests(
synapse,
SupportedChainId.AVALANCHE,
SupportedChainId.BSC,
AVAX_GOHM,
amount,
resultPromise
)
it('Fetches a Synapse bridge quote', async () => {
const result = await resultPromise
expect(result.routerAddress).toEqual(
ROUTER_ADDRESS_MAP[SupportedChainId.AVALANCHE]
)
// SynapseRouterQuery has swapAdapter property
expect(result.originQuery.swapAdapter).toBeDefined()
// Estimated time must match the SynapseBridge median time
expect(result.estimatedTime).toEqual(
MEDIAN_TIME_BRIDGE[SupportedChainId.AVALANCHE]
)
expect(result.bridgeModuleName).toEqual('SynapseBridge')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.BSC]
)
expect(result.originChainId).toEqual(SupportedChainId.AVALANCHE)
expect(result.destChainId).toEqual(SupportedChainId.BSC)
})
})
})
describe('Bridging: ARB -> ETH', () => {
const synapse = new SynapseSDK(
[SupportedChainId.ETH, SupportedChainId.ARBITRUM],
[ethProvider, arbProvider]
)
describe('ARB USDC -> ETH USDC (using Bridge)', () => {
const amount = BigNumber.from(10).pow(12).add(1)
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
ARB_USDC,
ETH_USDC,
amount
)
const secondResultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
ARB_USDC,
ETH_USDC,
amount
)
createBridgeQuoteTests(
synapse,
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
ETH_USDC,
amount,
resultPromise
)
it('Fetches a Synapse bridge quote', async () => {
const result = await resultPromise
expect(result.routerAddress).toEqual(
ROUTER_ADDRESS_MAP[SupportedChainId.ARBITRUM]
)
// SynapseRouterQuery has swapAdapter property
expect(result.originQuery.swapAdapter).toBeDefined()
// Estimated time must match the SynapseBridge median time
expect(result.estimatedTime).toEqual(
MEDIAN_TIME_BRIDGE[SupportedChainId.ARBITRUM]
)
expect(result.bridgeModuleName).toEqual('SynapseBridge')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.ETH]
)
expect(result.originChainId).toEqual(SupportedChainId.ARBITRUM)
expect(result.destChainId).toEqual(SupportedChainId.ETH)
})
it('Fetches a second Synapse bridge quote with a different ID', async () => {
const firstQuote = await resultPromise
const secondQuote = await secondResultPromise
expect(firstQuote.id).not.toEqual(secondQuote.id)
})
})
describe('ARB USDC -> ETH USDC (using CCTP)', () => {
const amount = BigNumber.from(10).pow(12)
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
ARB_USDC,
ETH_USDC,
amount
)
createBridgeQuoteTests(
synapse,
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
ETH_USDC,
amount,
resultPromise
)
it('Fetches a CCTP bridge quote', async () => {
const result = await resultPromise
expect(result.routerAddress).toEqual(
CCTP_ROUTER_ADDRESS_MAP[SupportedChainId.ARBITRUM]
)
// SynapseCCTPRouterQuery has routerAdapter property
expect(result.originQuery.routerAdapter).toBeDefined()
// Estimated time must match the SynapseCCTP median time
expect(result.estimatedTime).toEqual(
MEDIAN_TIME_CCTP[SupportedChainId.ARBITRUM]
)
expect(result.bridgeModuleName).toEqual('SynapseCCTP')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.ETH]
)
expect(result.originChainId).toEqual(SupportedChainId.ARBITRUM)
expect(result.destChainId).toEqual(SupportedChainId.ETH)
})
})
describe('ARB USDT -> ETH USDC (excludeCCTP flag tests)', () => {
// Use $1000 USDT as amount. SynapseCCTP requires less gas on Ethereum to be completed,
// when USDC is used as a tokenOut (compared to SynapseBridge route).
// Therefore we can expect that the min fees would be lower. Meaning for amount this low,
// we should get a CCTP quote unless we explicitly exclude CCTP.
const amount = BigNumber.from(10).pow(9)
describe('excludeCCTP flag omitted', () => {
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
ARB_USDT,
ETH_USDC,
amount
)
createBridgeQuoteTests(
synapse,
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
ETH_USDC,
amount,
resultPromise
)
it('Fetches a CCTP bridge quote', async () => {
const result = await resultPromise
expect(result.routerAddress).toEqual(
CCTP_ROUTER_ADDRESS_MAP[SupportedChainId.ARBITRUM]
)
// SynapseCCTPRouterQuery has routerAdapter property
expect(result.originQuery.routerAdapter).toBeDefined()
// Estimated time must match the SynapseCCTP median time
expect(result.estimatedTime).toEqual(
MEDIAN_TIME_CCTP[SupportedChainId.ARBITRUM]
)
expect(result.bridgeModuleName).toEqual('SynapseCCTP')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.ETH]
)
expect(result.originChainId).toEqual(SupportedChainId.ARBITRUM)
expect(result.destChainId).toEqual(SupportedChainId.ETH)
})
})
describe('excludeCCTP flag off', () => {
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
ARB_USDT,
ETH_USDC,
amount
)
createBridgeQuoteTests(
synapse,
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
ETH_USDC,
amount,
resultPromise
)
it('Fetches a CCTP bridge quote', async () => {
const result = await resultPromise
expect(result.routerAddress).toEqual(
CCTP_ROUTER_ADDRESS_MAP[SupportedChainId.ARBITRUM]
)
// SynapseCCTPRouterQuery has routerAdapter property
expect(result.originQuery.routerAdapter).toBeDefined()
// Estimated time must match the SynapseCCTP median time
expect(result.estimatedTime).toEqual(
MEDIAN_TIME_CCTP[SupportedChainId.ARBITRUM]
)
expect(result.bridgeModuleName).toEqual('SynapseCCTP')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.ETH]
)
expect(result.originChainId).toEqual(SupportedChainId.ARBITRUM)
expect(result.destChainId).toEqual(SupportedChainId.ETH)
})
})
describe('excludeCCTP flag on', () => {
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
ARB_USDT,
ETH_USDC,
amount,
{
excludedModules: ['SynapseCCTP'],
}
)
createBridgeQuoteTests(
synapse,
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
ETH_USDC,
amount,
resultPromise
)
it('Fetches a Synapse bridge quote', async () => {
const result = await resultPromise
expect(result.routerAddress).toEqual(
ROUTER_ADDRESS_MAP[SupportedChainId.ARBITRUM]
)
// SynapseRouterQuery has swapAdapter property
expect(result.originQuery.swapAdapter).toBeDefined()
// Estimated time must match the SynapseBridge median time
expect(result.estimatedTime).toEqual(
MEDIAN_TIME_BRIDGE[SupportedChainId.ARBITRUM]
)
expect(result.bridgeModuleName).toEqual('SynapseBridge')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.ETH]
)
expect(result.originChainId).toEqual(SupportedChainId.ARBITRUM)
expect(result.destChainId).toEqual(SupportedChainId.ETH)
})
})
})
describe('ARB Native -> ETH Native', () => {
const amount = BigNumber.from(10).pow(18)
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
NATIVE_ADDRESS,
NATIVE_ADDRESS,
amount
)
createBridgeQuoteTests(
synapse,
SupportedChainId.ARBITRUM,
SupportedChainId.ETH,
NATIVE_ADDRESS,
amount,
resultPromise
)
it('Fetches a Synapse bridge quote', async () => {
const result = await resultPromise
expect(result.routerAddress).toEqual(
ROUTER_ADDRESS_MAP[SupportedChainId.ARBITRUM]
)
// SynapseRouterQuery has swapAdapter property
expect(result.originQuery.swapAdapter).toBeDefined()
// Estimated time must match the SynapseBridge median time
expect(result.estimatedTime).toEqual(
MEDIAN_TIME_BRIDGE[SupportedChainId.ARBITRUM]
)
expect(result.bridgeModuleName).toEqual('SynapseBridge')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.ETH]
)
expect(result.originChainId).toEqual(SupportedChainId.ARBITRUM)
expect(result.destChainId).toEqual(SupportedChainId.ETH)
})
})
})
describe('Bridging: BSC -> AVAX', () => {
const synapse = new SynapseSDK(
[SupportedChainId.AVALANCHE, SupportedChainId.BSC],
[avaxProvider, bscProvider]
)
describe('BSC USDC -> AVAX USDC', () => {
// USDC has 18 decimals on BSC. Don't ask me why.
const amount = BigNumber.from(10).pow(21)
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.BSC,
SupportedChainId.AVALANCHE,
BSC_USDC,
AVAX_USDC,
amount
)
createBridgeQuoteTests(
synapse,
SupportedChainId.BSC,
SupportedChainId.AVALANCHE,
AVAX_USDC,
amount,
resultPromise
)
it('Fetches a Synapse bridge quote', async () => {
const result = await resultPromise
expect(result.routerAddress).toEqual(
ROUTER_ADDRESS_MAP[SupportedChainId.BSC]
)
// SynapseRouterQuery has swapAdapter property
expect(result.originQuery.swapAdapter).toBeDefined()
// Estimated time must match the SynapseBridge median time
expect(result.estimatedTime).toEqual(
MEDIAN_TIME_BRIDGE[SupportedChainId.BSC]
)
expect(result.bridgeModuleName).toEqual('SynapseBridge')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.AVALANCHE]
)
expect(result.originChainId).toEqual(SupportedChainId.BSC)
expect(result.destChainId).toEqual(SupportedChainId.AVALANCHE)
})
})
describe('BSC gOHM -> AVAX gOHM', () => {
const amount = BigNumber.from(10).pow(21)
const resultPromise: Promise<BridgeQuote> = synapse.bridgeQuote(
SupportedChainId.BSC,
SupportedChainId.AVALANCHE,
BSC_GOHM,
AVAX_GOHM,
amount
)
createBridgeQuoteTests(
synapse,
SupportedChainId.BSC,
SupportedChainId.AVALANCHE,
AVAX_GOHM,
amount,
resultPromise
)
it('Fetches a Synapse bridge quote', async () => {
const result = await resultPromise
expect(result.routerAddress).toEqual(
ROUTER_ADDRESS_MAP[SupportedChainId.BSC]
)
// SynapseRouterQuery has swapAdapter property
expect(result.originQuery.swapAdapter).toBeDefined()
// Estimated time must match the SynapseBridge median time
expect(result.estimatedTime).toEqual(
MEDIAN_TIME_BRIDGE[SupportedChainId.BSC]
)
expect(result.bridgeModuleName).toEqual('SynapseBridge')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.AVALANCHE]
)
expect(result.originChainId).toEqual(SupportedChainId.BSC)
expect(result.destChainId).toEqual(SupportedChainId.AVALANCHE)
})
})
})
describe('Gas drop edge cases', () => {
const synapse = new SynapseSDK(
[
SupportedChainId.ARBITRUM,
SupportedChainId.AVALANCHE,
SupportedChainId.MOONBEAM,
],
[arbProvider, avaxProvider, moonbeamProvider]
)
describe('GMX', () => {
it('ARB -> AVAX: non-zero gas drop', async () => {
const result = await synapse.bridgeQuote(
SupportedChainId.ARBITRUM,
SupportedChainId.AVALANCHE,
ARB_GMX,
AVAX_GMX,
parseFixed('100', 18)
)
expect(result).toBeDefined()
expect(result.bridgeModuleName).toEqual('SynapseBridge')
expect(result.gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.AVALANCHE]
)
})
it('AVAX -> ARB: zero gas drop', async () => {
const result = await synapse.bridgeQuote(
SupportedChainId.AVALANCHE,
SupportedChainId.ARBITRUM,
AVAX_GMX,
ARB_GMX,
parseFixed('100', 18)
)
expect(result).toBeDefined()
expect(result.bridgeModuleName).toEqual('SynapseBridge')
expect(result.gasDropAmount).toEqual(Zero)
})
})
})
describe('allBridgeQuotes', () => {
const synapse = new SynapseSDK(
[SupportedChainId.ETH, SupportedChainId.ARBITRUM],
[ethProvider, arbProvider]
)
it('Fetches SynapseBridge and SynapseCCTP quotes for USDC', async () => {
const allQuotes = await synapse.allBridgeQuotes(
SupportedChainId.ETH,
SupportedChainId.ARBITRUM,
ETH_USDC,
ARB_USDT,
BigNumber.from(10).pow(9)
)
expect(allQuotes.length).toEqual(2)
expectCorrectBridgeQuote(allQuotes[0])
expectCorrectBridgeQuote(allQuotes[1])
// First quote should have better quote
expect(allQuotes[0].maxAmountOut.gte(allQuotes[1].maxAmountOut)).toBe(
true
)
// One should be SynapseBridge and the other SynapseCCTP
expect(allQuotes[0].bridgeModuleName).not.toEqual(
allQuotes[1].bridgeModuleName
)
expect(
allQuotes[0].bridgeModuleName === 'SynapseBridge' ||
allQuotes[1].bridgeModuleName === 'SynapseBridge'
).toBe(true)
expect(
allQuotes[0].bridgeModuleName === 'SynapseCCTP' ||
allQuotes[1].bridgeModuleName === 'SynapseCCTP'
).toBe(true)
expect(allQuotes[0].gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.ARBITRUM]
)
expect(allQuotes[1].gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.ARBITRUM]
)
expect(allQuotes[0].originChainId).toEqual(SupportedChainId.ETH)
expect(allQuotes[0].destChainId).toEqual(SupportedChainId.ARBITRUM)
expect(allQuotes[1].originChainId).toEqual(SupportedChainId.ETH)
expect(allQuotes[1].destChainId).toEqual(SupportedChainId.ARBITRUM)
})
it('Generates unique IDs for SynapseBridge and SynapseCCTP quotes for USDC', async () => {
const allQuotes = await synapse.allBridgeQuotes(
SupportedChainId.ETH,
SupportedChainId.ARBITRUM,
ETH_USDC,
ARB_USDT,
BigNumber.from(10).pow(9)
)
expect(allQuotes[0].id).not.toEqual(allQuotes[1].id)
})
it('Fetches only SynapseBridge quotes for ETH', async () => {
const allQuotes = await synapse.allBridgeQuotes(
SupportedChainId.ETH,
SupportedChainId.ARBITRUM,
NATIVE_ADDRESS,
NATIVE_ADDRESS,
BigNumber.from(10).pow(18)
)
expect(allQuotes.length).toEqual(1)
expectCorrectBridgeQuote(allQuotes[0])
expect(allQuotes[0].bridgeModuleName).toEqual('SynapseBridge')
expect(allQuotes[0].gasDropAmount).toEqual(
EXPECTED_GAS_DROP[SupportedChainId.ARBITRUM]
)
})
})
describe('applyBridgeSlippage', () => {
const synapse = new SynapseSDK(
[SupportedChainId.ETH, SupportedChainId.ARBITRUM],
[ethProvider, arbProvider]
)
const originQuery: Query = {
routerAdapter: '1',
tokenOut: '2',
minAmountOut: BigNumber.from(3),
deadline: BigNumber.from(4),
rawParams: '5',
}
const destQuery: Query = {
routerAdapter: '6',
tokenOut: '7',
minAmountOut: BigNumber.from(8),
deadline: BigNumber.from(9),
rawParams: '10',
}
const createApplySlippageTests = (moduleSet: SynapseModuleSet) => {
describe(`${moduleSet.bridgeModuleName} module`, () => {
beforeEach(() => {
jest.spyOn(moduleSet, 'applySlippage').mockImplementation(jest.fn())
})
it('Applies slippage', () => {
synapse.applyBridgeSlippage(
moduleSet.bridgeModuleName,
originQuery,
destQuery,
10,
100
)
expect(moduleSet.applySlippage).toHaveBeenCalledWith(
originQuery,
destQuery,
10,
100
)
})
it('Uses default denominator of 10000', () => {
synapse.applyBridgeSlippage(
moduleSet.bridgeModuleName,
originQuery,
destQuery,
10
)
expect(moduleSet.applySlippage).toHaveBeenCalledWith(
originQuery,
destQuery,
10,
10000
)
})
it('Uses default slippage of 10 bips', () => {
synapse.applyBridgeSlippage(
moduleSet.bridgeModuleName,
originQuery,
destQuery
)
expect(moduleSet.applySlippage).toHaveBeenCalledWith(
originQuery,
destQuery,
10,
10000
)
})
})
}
createApplySlippageTests(synapse.synapseRouterSet)
createApplySlippageTests(synapse.synapseCCTPRouterSet)
createApplySlippageTests(synapse.fastBridgeRouterSet)
it('Throws on unknown bridge module', () => {
expect(() =>
synapse.applyBridgeSlippage(
'UnknownBridgeModule',
originQuery,
destQuery,
10,
10000
)
).toThrow('Unknown bridge module')
})
})
describe('Errors', () => {
const synapse = new SynapseSDK(
[SupportedChainId.ETH, SupportedChainId.ARBITRUM],
[ethProvider, arbProvider]
)
const amount = BigNumber.from(10).pow(9)
const emptyQuery: RouterQuery = {
swapAdapter: AddressZero,
tokenOut: ETH_USDC,
minAmountOut: amount,
deadline: BigNumber.from(0),
rawParams: '0x',
}
const mockAddress = '0x0000000000000000000000000000000000001337'
describe('origin == destination', () => {
it('bridgeQuote throws', async () => {
await expect(
synapse.bridgeQuote(
SupportedChainId.ETH,
SupportedChainId.ETH,
ETH_USDC,
BSC_USDC,
amount
)
).rejects.toThrow(
'Origin chainId cannot be equal to destination chainId'
)
})
it('bridge throws', async () => {
await expect(
synapse.bridge(
mockAddress,
ROUTER_ADDRESS_MAP[SupportedChainId.ETH],
SupportedChainId.ETH,
SupportedChainId.ETH,
ETH_USDC,
amount,
emptyQuery,
emptyQuery
)
).rejects.toThrow(
'Origin chainId cannot be equal to destination chainId'
)
})
})
it('bridgeQuote throws on unknown chainId', async () => {
await expect(