Eth flow/updated contract to 0.0.0 rc4 (#1509)

* Updated node version on nvmrc

* Updated ethflow contract

* Actually, this is the latest contract

* Loading ethflow contract addresses per network

* Loading the prod ethflow contract when prod, staging or ens, barn otherwise

.nvmrc

@@ -1 +1 @@
-lts/*
+lts/gallium

package.json

@@ -208,7 +208,7 @@
   "license": "GPL-3.0-or-later",
   "dependencies": {
     "@amplitude/analytics-browser": "^1.1.4",
-    "@cowprotocol/ethflowcontract": "cowprotocol/ethflowcontract.git#main-artifacts",
+    "@cowprotocol/ethflowcontract": "cowprotocol/ethflowcontract.git#0.0.0-rc4-artifacts",
     "@babel/runtime": "^7.17.0",
     "@coinbase/wallet-sdk": "^3.3.0",
     "@cowprotocol/contracts": "^1.3.1",

src/custom/constants/index.ts

@@ -1,5 +1,6 @@
 import { Token, Fraction, Percent } from '@uniswap/sdk-core'
-import { transactions as EthFlowTransactions } from '@cowprotocol/ethflowcontract/broadcast/Deploy.sol/5/deployment.json'
+import { CoWSwapEthFlow as EthFlowBarn } from '@cowprotocol/ethflowcontract/networks.barn.json'
+import { CoWSwapEthFlow as EthFlowProd } from '@cowprotocol/ethflowcontract/networks.prod.json'
 import { GPv2Settlement, GPv2VaultRelayer } from '@cowprotocol/contracts/networks.json'
 
 import { SupportedChainId as ChainId } from 'constants/chains'
@@ -44,11 +45,16 @@ export const APP_TITLE = 'CoW Swap | The smartest way to trade cryptocurrencies'
 // Smart contract wallets are filtered out by default, no need to add them to this list
 export const UNSUPPORTED_WC_WALLETS = new Set(['DeFi Wallet', 'WallETH'])
 
-export const COWSWAP_ETHFLOW_CONTRACT_ADDRESS: Partial<Record<number, string>> = {
-  // [ChainId.MAINNET]: CoWSwapEthFlow[ChainId.MAINNET].address,
-  // [ChainId.RINKEBY]: CoWSwapEthFlow[ChainId.RINKEBY].address,
-  // [ChainId.GNOSIS_CHAIN]: CoWSwapEthFlow[ChainId.GNOSIS_CHAIN].address,
-  [ChainId.GOERLI]: EthFlowTransactions[0].contractAddress,
+type Env = 'barn' | 'prod'
+
+export const COWSWAP_ETHFLOW_CONTRACT_ADDRESS: Record<Env, Partial<Record<number, string>>> = {
+  // TODO: add other networks when available
+  prod: {
+    [ChainId.GOERLI]: EthFlowProd[ChainId.GOERLI].address,
+  },
+  barn: {
+    [ChainId.GOERLI]: EthFlowBarn[ChainId.GOERLI].address,
+  },
 }
 
 export const GP_SETTLEMENT_CONTRACT_ADDRESS: Partial<Record<number, string>> = {

src/custom/hooks/useContract/index.ts

@@ -20,6 +20,7 @@ import { useWeb3React } from '@web3-react/core'
 import { getContract } from 'utils'
 
 import { useContract } from '@src/hooks/useContract'
+import { isEns, isProd, isStaging } from 'utils/environments'
 
 export * from '@src/hooks/useContract'
 export * from './useContractMod'
@@ -28,9 +29,14 @@ export * from './useContractMod'
 
 export function useEthFlowContract(): CoWSwapEthFlow | null {
   const { chainId } = useWeb3React()
+
+  const contractEnv = isProd || isStaging || isEns ? 'prod' : 'barn'
+
+  const contractAddress = chainId ? COWSWAP_ETHFLOW_CONTRACT_ADDRESS[contractEnv][chainId] : undefined
+
   return useContract<CoWSwapEthFlow>(
     // TODO: get the networks.json when contracts deployed
-    chainId ? COWSWAP_ETHFLOW_CONTRACT_ADDRESS[chainId] : undefined,
+    contractAddress,
     COWSWAP_ETHFLOW_ABI,
     true
   )

yarn.lock

@@ -1305,9 +1305,9 @@
     loglevel "^1.8.0"
     multiformats "^9.6.4"
 
-"@cowprotocol/ethflowcontract@cowprotocol/ethflowcontract.git#main-artifacts":
-  version "0.0.0-rc.2"
-  resolved "https://codeload.github.com/cowprotocol/ethflowcontract/tar.gz/7d5ed9adf9f59dd041051f30ea740bbeb4dea7c5"
+"@cowprotocol/ethflowcontract@cowprotocol/ethflowcontract.git#0.0.0-rc4-artifacts":
+  version "0.0.0-rc.4"
+  resolved "https://codeload.github.com/cowprotocol/ethflowcontract/tar.gz/c2b8b4c0b463bc68f23c20fafbe5a0df39cfe621"
 
 "@craco/craco@^5.7.0":
   version "5.9.0"