Arbitrum stuff ripped out, text changed.

README.md

@@ -1,6 +1,6 @@
 # 10grans-NG
 
-10grans on Arbitrum chain, with a bridge to Ethereum.
+10grans on Base chain, with a bridge to Ethereum.
 
 ```shell
 npx hardhat help

contracts/TenGransArbToken.sol

@@ -1,30 +0,0 @@
-// SPDX-License-Identifier: MIT
-pragma solidity ^0.8.9;
-
-import "./TenGransAbstractToken.sol";
-import "@arbitrum/token-bridge-contracts/contracts/tokenbridge/arbitrum/IArbToken.sol";
-
-contract TenGransArbToken is AbstractGrans, IArbToken {
-    uint256 public immutable cap = 15_000 * 10 ** 18;
-    address public immutable l2Gateway;
-    address public immutable override l1Address;
-
-    modifier onlyGateway() {
-        require(msg.sender == l2Gateway, "ONLY_l2GATEWAY");
-        _;
-    }
-
-    constructor(address _l2Gateway, address _l1Address) AbstractGrans() {
-        l2Gateway = _l2Gateway;
-        l1Address = _l1Address;
-    }
-
-    function bridgeMint(address account, uint256 amount) external virtual override onlyGateway {
-        require(amount + totalSupply() <= cap, "CAP_EXCEEDED");
-        _mint(account, amount);
-    }
-
-    function bridgeBurn(address account, uint256 amount) external virtual override onlyGateway {
-        _burn(account, amount);
-    }
-}

contracts/TenGransEthToken.sol

@@ -2,84 +2,18 @@
 pragma solidity ^0.8.9;
 
 import "./TenGransAbstractToken.sol";
-import "@arbitrum/token-bridge-contracts/contracts/tokenbridge/ethereum/ICustomToken.sol";
 
-interface IL1CustomGateway {
-    function registerTokenToL2(
-        address _l2Address,
-        uint256 _maxGas,
-        uint256 _gasPriceBid,
-        uint256 _maxSubmissionCost,
-        address _creditBackAddress
-    ) external payable returns (uint256);
-}
+contract TenGransEthToken is AbstractGrans {
 
-interface IGatewayRouter2 {
-    function setGateway(
-        address _gateway,
-        uint256 _maxGas,
-        uint256 _gasPriceBid,
-        uint256 _maxSubmissionCost,
-        address _creditBackAddress
-    ) external payable returns (uint256);
-}
-
-contract TenGransEthToken is AbstractGrans, ICustomToken {
-    address public immutable gateway;
-    address public immutable router;
-    bool private shouldRegisterGateway;
-
-    constructor(address _gateway, address _router) AbstractGrans() {
-        gateway = _gateway;
-        router = _router;
+    constructor() AbstractGrans() {
         _mint(msg.sender, 15_000 * 10 ** 18);
     }
 
-    function balanceOf(address account) public view virtual override(AbstractGrans, ICustomToken) returns (uint256) {
+    function balanceOf(address account) public view virtual override(AbstractGrans) returns (uint256) {
         return AbstractGrans.balanceOf(account);
     }
 
-    function transferFrom(address sender, address recipient, uint256 amount) public virtual override(AbstractGrans, ICustomToken) returns (bool) {
+    function transferFrom(address sender, address recipient, uint256 amount) public virtual override(AbstractGrans) returns (bool) {
         return AbstractGrans.transferFrom(sender, recipient, amount);
     }
-
-    /// @dev we only set shouldRegisterGateway to true when in `registerTokenOnL2`
-    function isArbitrumEnabled() external view override returns (uint8) {
-        require(shouldRegisterGateway, "NOT_EXPECTED_CALL");
-        return uint8(uint16(uint32(uint64(uint128(0xa4b1)))));
-    }
-
-    function registerTokenOnL2(
-        address l2CustomTokenAddress,
-        uint256 maxSubmissionCostForCustomGateway,
-        uint256 maxSubmissionCostForRouter,
-        uint256 maxGasForCustomGateway,
-        uint256 maxGasForRouter,
-        uint256 gasPriceBid,
-        uint256 valueForGateway,
-        uint256 valueForRouter,
-        address creditBackAddress
-    ) public payable override onlyOwner {
-        // we temporarily set `shouldRegisterGateway` to true for the callback in registerTokenToL2 to succeed
-        bool prev = shouldRegisterGateway;
-        shouldRegisterGateway = true;
-
-        IL1CustomGateway(gateway).registerTokenToL2{value: valueForGateway}(
-            l2CustomTokenAddress,
-            maxGasForCustomGateway,
-            gasPriceBid,
-            maxSubmissionCostForCustomGateway,
-            creditBackAddress
-        );
-
-        IGatewayRouter2(router).setGateway{value: valueForRouter}(
-            gateway,
-            maxGasForRouter,
-            gasPriceBid,
-            maxSubmissionCostForRouter,
-            creditBackAddress
-        );
-
-        shouldRegisterGateway = prev;
-    }
 }

hardhat.config.ts

@@ -4,7 +4,7 @@ import "hardhat-contract-sizer";
 
 const config: HardhatUserConfig = {
   solidity: {
-    version: "0.8.19",
+    version: "0.8.19", // don't make this higher
     settings: {
       optimizer: {
         enabled: true,

package.json

@@ -1,7 +1,7 @@
 {
   "name": "10grans-ng",
   "version": "1.0.0",
-  "description": "10grans on Arbitrum",
+  "description": "10grans on Base",
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
@@ -14,7 +14,8 @@
     "cryptocurrency",
     "erc-20",
     "token",
-    "solidity"
+    "solidity",
+    "coinbase"
   ],
   "author": "moon@shipoclu.com",
   "license": "MIT",
@@ -26,7 +27,6 @@
     "prettier-plugin-solidity": "^1.1.3"
   },
   "dependencies": {
-    "@arbitrum/token-bridge-contracts": "^1.0.0-beta.0",
     "@openzeppelin/contracts": "^4.9.3",
     "erc-payable-token": "^4.9.3"
   }