feat: Base setup and BCAT prep

Author: xtools-at

.env.example

@@ -12,5 +12,6 @@ POLYGONSCAN_API_KEY=""
 FANTOMSCAN_API_KEY=""
 OPTIMISM_API_KEY=""
 ARBISCAN_API_KEY=""
+BASESCAN_API_KEY=""
 
 #ETHERSCAN_API_KEY="" # hardhat-deploy uses this for _all_ networks, better avoid setting it

README.md

@@ -1,6 +1,6 @@
 # Beam Omnichain Tokens
 
-[LayerZero](https://layerzero.gitbook.io/docs/) is an omnichain interoperability protocol that connects Beam to other networks.
+[LayerZero](https://docs.layerzero.network/v1/) is an omnichain interoperability protocol that connects Beam to other networks.
 It enables everyone to build **Omnichain tokens and NFTs on Beam** that can be transferred cross-chain, and bridge existing assets from other networks.
 
 Merit Circle's [LayerZero contracts repository](https://github.com/Merit-Circle/layerzero-contracts) is forked from
@@ -255,8 +255,8 @@ npx hardhat --network avalanche etherscan-verify
 
 ## Supported networks
 
-The LayerZero protocol is active on a wide selection of [test](https://layerzero.gitbook.io/docs/technical-reference/testnet/testnet-addresses)- and
-[mainnets](https://layerzero.gitbook.io/docs/technical-reference/mainnet/supported-chain-ids), though not all chains are interconnected by default.
+The LayerZero protocol is active on a wide selection of [test](https://docs.layerzero.network/v1/developers/technical-reference/testnet/testnet-addresses)- and
+[mainnets](https://docs.layerzero.network/v1/developers/technical-reference/mainnet/mainnet-addresses), though not all chains are interconnected by default.
 
 Currently, both Beam test- and mainnet connect to
 
@@ -265,5 +265,6 @@ Currently, both Beam test- and mainnet connect to
 - BNB Smart Chain
 - Fantom
 - Arbitrum
+- Base
 
 If your project requires interconnectivity with another network, [the Beam team](mailto:build@onbeam.com) is happy to help!

constants/chainIds.json

@@ -7,6 +7,7 @@
   "optimism": 111,
   "fantom": 112,
   "beam": 198,
+  "base": 184,
 
   "goerli": 10121,
   "sepolia": 10161,
@@ -18,5 +19,6 @@
   "fantom-testnet": 10112,
   "meter-testnet": 10156,
   "zksync-testnet": 10165,
-  "beam-testnet": 10178
+  "beam-testnet": 10178,
+  "base-testnet": 10245
 }

constants/environments.json

@@ -7,7 +7,8 @@
     "arbitrum",
     "optimism",
     "fantom",
-    "beam"
+    "beam",
+    "base"
   ],
   "testnet": [
     "goerli",
@@ -18,6 +19,7 @@
     "arbitrum-goerli",
     "optimism-goerli",
     "fantom-testnet",
-    "beam-testnet"
+    "beam-testnet",
+    "base-testnet"
   ]
 }

constants/layerzeroEndpoints.json

@@ -7,6 +7,7 @@
   "optimism": "0x3c2269811836af69497E5F486A85D7316753cf62",
   "fantom": "0xb6319cC6c8c27A8F5dAF0dD3DF91EA35C4720dd7",
   "beam": "0xb6319cC6c8c27A8F5dAF0dD3DF91EA35C4720dd7",
+  "base:": "0xb6319cC6c8c27A8F5dAF0dD3DF91EA35C4720dd7",
 
   "goerli": "0xbfD2135BFfbb0B5378b56643c2Df8a87552Bfa23",
   "sepolia": "0xae92d5aD7583AD66E49A0c67BAd18F6ba52dDDc1",
@@ -18,5 +19,6 @@
   "fantom-testnet": "0x7dcAD72640F835B0FA36EFD3D6d3ec902C7E5acf",
   "meter-testnet": "0x3De2f3D1Ac59F18159ebCB422322Cb209BA96aAD",
   "zksync-testnet": "0x093D2CF57f764f09C3c2Ac58a42A2601B8C79281",
-  "beam-testnet": "0xae92d5aD7583AD66E49A0c67BAd18F6ba52dDDc1"
+  "beam-testnet": "0xae92d5aD7583AD66E49A0c67BAd18F6ba52dDDc1",
+  "base-testnet": "0x55370E0fBB5f5b8dAeD978BA1c075a499eB107B8"
 }

constants/tokenConfig.js

@@ -59,6 +59,10 @@ module.exports = {
             symbol: "ETH",
             withFee: true,
         },
+        BeamcatProxyOFT: {
+            address: "0xEeee2A2E650697d2A8e8BC990C2f3d04203bE06f",
+            withFee: true,
+        },
     },
     "beam-testnet": {
         BeamNativeOFT: {
@@ -201,4 +205,11 @@ module.exports = {
             withFee: true,
         },
     },
+    base: {
+        BeamcatOFT: {
+            name: "BEAMCAT",
+            symbol: "BCAT",
+            withFee: true,
+        },
+    },
 }

contracts/contracts-upgradable/examples/OFTPermit.sol

@@ -12,3 +12,7 @@ contract ForgottenPlaylandProxyOFT is ProxyOFTWithFeeUpgradeable {}
 contract CastleOfBlackwaterOFT is OFTWithFeePermitUpgradeable {}
 
 contract CastleOfBlackwaterProxyOFT is ProxyOFTWithFeeUpgradeable {}
+
+contract BeamcatOFT is OFTWithFeePermitUpgradeable {}
+
+contract BeamcatProxyOFT is ProxyOFTWithFeeUpgradeable {}

hardhat.config.js

@@ -64,6 +64,8 @@ const apiKey = {
     arbitrum: process.env.ARBISCAN_API_KEY || "",
     "imtbl-zkevm-testnet": "a",
     "imtbl-zkevm": "a",
+    base: process.env.BASESCAN_API_KEY || "",
+    "base-testnet": process.env.BASESCAN_API_KEY || "",
 }
 
 const apiUrl = {
@@ -84,6 +86,8 @@ const apiUrl = {
     "arbitrum-goerli": "https://api-goerli.arbiscan.io",
     "imtbl-zkevm-testnet": "https://explorer.testnet.immutable.com/api",
     "imtbl-zkevm": "https://explorer.immutable.com/api",
+    base: "https://basescan.org",
+    "base-testnet": "https://sepolia.basescan.org",
 }
 
 // `hardhat-deploy etherscan-verify` network config
@@ -167,6 +171,12 @@ const networks = {
         chainId: 13371,
         accounts: accounts(),
     },
+    base: {
+        url: "https://mainnet.base.org",
+        chainId: 8453,
+        accounts: accounts(),
+        verify: verifyChain("base"),
+    },
 
     // testnets
     goerli: {
@@ -227,6 +237,12 @@ const networks = {
         chainId: 13473,
         accounts: accounts(),
     },
+    "base-testnet": {
+        url: "https://sepolia.base.org",
+        chainId: 84532,
+        accounts: accounts(),
+        verify: verifyChain("base-testnet"),
+    },
 }
 
 // You need to export an object to set up your config