update to latest deploy

package.json

@@ -22,9 +22,9 @@
   "dependencies": {
     "@ethersproject/address": "^5.0.0-beta.134",
     "@ethersproject/contracts": "^5.0.0-beta.143",
-    "@ethersproject/keccak256": "^5.0.0-beta.131",
     "@ethersproject/networks": "^5.0.0-beta.135",
     "@ethersproject/providers": "^5.0.0-beta.153",
+    "@ethersproject/solidity": "^5.0.0-beta.131",
     "big.js": "^5.2.2",
     "decimal.js-light": "^2.5.0",
     "jsbi": "^3.1.1",

src/constants.ts

@@ -9,15 +9,9 @@ export enum ChainId {
   KOVAN = 42
 }
 
-export const FACTORY_ADDRESS = {
-  [ChainId.MAINNET]: '',
-  [ChainId.ROPSTEN]: '',
-  [ChainId.RINKEBY]: '0xF231A51299c872040C002f3E1918D806F951Efcb',
-  [ChainId.GÖRLI]: '',
-  [ChainId.KOVAN]: ''
-}
+export const FACTORY_ADDRESS = '0xE9DFfc628C6933f2c74356430099bD7639F25D5C'
 
-export const INIT_CODE_HASH = '0x762dbd0ad132fda0dfcfbc963d8f43f78fc3e23b604fc4c34f61c2ca7b3e1b36'
+export const INIT_CODE_HASH = '0x8548287401d15401e1162bb5bc290f6fba82afcb66944df43c3017817522771b'
 
 export enum TradeType {
   EXACT_INPUT,

src/entities/exchange.ts

 import invariant from 'tiny-invariant'
 import JSBI from 'jsbi'
-import { getCreate2Address } from '@ethersproject/address'
-import { keccak256 } from '@ethersproject/keccak256'
 import { getNetwork } from '@ethersproject/networks'
 import { getDefaultProvider } from '@ethersproject/providers'
 import { Contract } from '@ethersproject/contracts'
+import { pack, keccak256 } from '@ethersproject/solidity'
+import { getCreate2Address } from '@ethersproject/address'
 
 import { BigintIsh } from '../types'
 import { FACTORY_ADDRESS, INIT_CODE_HASH, ZERO, ONE, FIVE, _997, _1000, MINIMUM_LIQUIDITY } from '../constants'
@@ -29,8 +29,8 @@ export class Exchange {
         [tokens[0].address]: {
           ...CACHE?.[tokens[0].address],
           [tokens[1].address]: getCreate2Address(
-            FACTORY_ADDRESS[tokens[0].chainId],
-            keccak256(`${tokens[0].address.toLowerCase()}${tokens[1].address.slice(2).toLowerCase()}`),
+            FACTORY_ADDRESS,
+            keccak256(['bytes'], [pack(['address', 'address'], [tokens[0].address, tokens[1].address])]),
             INIT_CODE_HASH
           )
         }

test/data.test.ts

@@ -14,6 +14,6 @@ describe('data', () => {
   it('Exchange', async () => {
     const token = new Token(ChainId.RINKEBY, '0xc7AD46e0b8a400Bb3C915120d284AafbA8fc4735', 18) // DAI
     const exchange = await Exchange.fetchData(WETH[ChainId.RINKEBY], token)
-    expect(exchange.liquidityToken.address).toEqual('0xF52A46f3Ddc2A35aD1ed7166aC3dd3435DC4AC4A')
+    expect(exchange.liquidityToken.address).toEqual('0xA7D5493AA915Fcb8a9C0Bd77B587275A53fDdE6d')
   })
 })

yarn.lock

@@ -877,7 +877,7 @@
     "@ethersproject/logger" ">=5.0.0-beta.129"
     "@ethersproject/strings" ">=5.0.0-beta.130"
 
-"@ethersproject/keccak256@>=5.0.0-beta.127", "@ethersproject/keccak256@^5.0.0-beta.131":
+"@ethersproject/keccak256@>=5.0.0-beta.127":
   version "5.0.0-beta.131"
   resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.0.0-beta.131.tgz#b5778723ee75208065b9b9ad30c71d480f41bb31"
   integrity sha512-KQnqMwGV0IMOjAr/UTFO8DuLrmN1uaMvcV3zh9hiXhh3rCuY+WXdeUh49w1VQ94kBKmaP0qfGb7z4SdhUWUHjw==
@@ -947,6 +947,15 @@
   dependencies:
     "@ethersproject/bytes" ">=5.0.0-beta.129"
 
+"@ethersproject/sha2@>=5.0.0-beta.129":
+  version "5.0.0-beta.135"
+  resolved "https://registry.yarnpkg.com/@ethersproject/sha2/-/sha2-5.0.0-beta.135.tgz#e597572ba991fe044d50f8d75704bb4a2b2c64b4"
+  integrity sha512-DK/cUT5ilCVLtf1xk7XDPB9xGHsXiU3TsULKsEg823cTBIhFl2l0IiHAGqu9uiMlSJRpb2BwrWQuMgmFe/vMwQ==
+  dependencies:
+    "@ethersproject/bytes" ">=5.0.0-beta.129"
+    "@ethersproject/logger" ">=5.0.0-beta.129"
+    hash.js "1.1.3"
+
 "@ethersproject/signing-key@>=5.0.0-beta.129":
   version "5.0.0-beta.135"
   resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.0.0-beta.135.tgz#f739e800aad9e01b77a8ec2c353b9b66ce5738fa"
@@ -957,6 +966,17 @@
     "@ethersproject/properties" ">=5.0.0-beta.131"
     elliptic "6.5.2"
 
+"@ethersproject/solidity@^5.0.0-beta.131":
+  version "5.0.0-beta.131"
+  resolved "https://registry.yarnpkg.com/@ethersproject/solidity/-/solidity-5.0.0-beta.131.tgz#7d826e98cc0a29e25f0ff52ae17c07483f5d93d4"
+  integrity sha512-i5vuj2CXGMkVPo08bmElC2cvhjRDNRZZ8nzvx2WCi75Zh42xD0XNV77E9ZLYgS0WoZSiAi/F71nXSBnM7FAqJg==
+  dependencies:
+    "@ethersproject/bignumber" ">=5.0.0-beta.130"
+    "@ethersproject/bytes" ">=5.0.0-beta.129"
+    "@ethersproject/keccak256" ">=5.0.0-beta.127"
+    "@ethersproject/sha2" ">=5.0.0-beta.129"
+    "@ethersproject/strings" ">=5.0.0-beta.130"
+
 "@ethersproject/strings@>=5.0.0-beta.130":
   version "5.0.0-beta.136"
   resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.0.0-beta.136.tgz#053cbf4f9f96a7537cbc50300597f2d707907f51"
@@ -3093,6 +3113,14 @@ has@^1.0.3:
   dependencies:
     function-bind "^1.1.1"
 
+hash.js@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.3.tgz#340dedbe6290187151c1ea1d777a3448935df846"
+  integrity sha512-/UETyP0W22QILqS+6HowevwhEFJ3MBJnwTf75Qob9Wz9t0DPuisL8kW8YZMK62dHAKE1c1p+gY1TtOLY+USEHA==
+  dependencies:
+    inherits "^2.0.3"
+    minimalistic-assert "^1.0.0"
+
 hash.js@^1.0.0, hash.js@^1.0.3:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"