Add missing ProposalScript contract from #19

src/proposals/ProposalScript.sol

@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.15;
+
+import {ScriptSuite} from "proposal-sim/script/ScriptSuite.s.sol";
+import {Address} from "proposal-sim/utils/Address.sol";
+import {Surl} from "surl-1.0.0/Surl.sol";
+import {console2} from "forge-std/console2.sol";
+import {IProposal} from "proposal-sim/proposals/IProposal.sol";
+
+/// @notice Allows submission and testing of OCG proposals
+/// @dev    Inheriting contracts must implement the constructor
+///
+///         See the scripts in `src/scripts/proposals/`
+abstract contract ProposalScript is ScriptSuite {
+    using Address for address;
+    using Surl for *;
+
+    string public constant ADDRESSES_PATH = "./src/proposals/addresses.json";
+
+    constructor(IProposal _proposal) ScriptSuite(ADDRESSES_PATH, _proposal) {}
+
+    function run() public override {
+        // set debug mode to true and run it to build the actions list
+        proposal.setDebug(true);
+
+        // run the proposal to build it
+        proposal.run(addresses, address(0));
+
+        // get the calldata for the proposal, doing so in debug mode prints it to the console
+        bytes memory proposalCalldata = proposal.getCalldata();
+
+        address governor = addresses.getAddress("olympus-governor");
+
+        // Register the proposal
+        console2.log("\n\n");
+        console2.log("Submitting proposal...");
+        vm.startBroadcast();
+        console2.log("Proposer: ", msg.sender);
+        bytes memory proposalReturnData = address(payable(governor)).functionCall(proposalCalldata);
+        vm.stopBroadcast();
+        uint256 proposalId = abi.decode(proposalReturnData, (uint256));
+        console2.log("Proposal ID:", proposalId);
+    }
+
+    function executeOnTestnet() public {
+        console2.log("Building proposal...");
+        // set debug mode to true and run it to build the actions list
+        proposal.setDebug(true);
+
+        // run the proposal to build it
+        proposal.run(addresses, address(0));
+
+        console2.log("Preparing transactions");
+        // Get the timelock address
+        address timelock = addresses.getAddress("olympus-timelock");
+
+        // Get the testnet RPC URL and access key
+        string memory TENDERLY_ACCOUNT_SLUG = vm.envString("TENDERLY_ACCOUNT_SLUG");
+        string memory TENDERLY_PROJECT_SLUG = vm.envString("TENDERLY_PROJECT_SLUG");
+        string memory TENDERLY_VNET_ID = vm.envString("TENDERLY_VNET_ID");
+        string memory TENDERLY_ACCESS_KEY = vm.envString("TENDERLY_ACCESS_KEY");
+
+        // Iterate over the proposal actions and execute them
+        (address[] memory targets, , bytes[] memory arguments) = proposal.getProposalActions();
+        for (uint256 i; i < targets.length; i++) {
+            console2.log("Preparing proposal action ", i + 1);
+
+            // Construct the API call
+            string[] memory headers = new string[](3);
+            headers[0] = "Accept: application/json";
+            headers[1] = "Content-Type: application/json";
+            headers[2] = string.concat("X-Access-Key: ", TENDERLY_ACCESS_KEY);
+
+            string memory url = string.concat(
+                "https://api.tenderly.co/api/v1/account/",
+                TENDERLY_ACCOUNT_SLUG,
+                "/project/",
+                TENDERLY_PROJECT_SLUG,
+                "/vnets/",
+                TENDERLY_VNET_ID,
+                "/transactions"
+            );
+
+            // Execute the API call
+            // solhint-disable quotes
+            console2.log("Executing proposal action ", i + 1);
+            (uint256 status, bytes memory response) = url.post(
+                headers,
+                string.concat(
+                    "{",
+                    '"callArgs": {',
+                    '"from": "',
+                    vm.toString(timelock),
+                    '", "to": "',
+                    vm.toString(targets[i]),
+                    '", "gas": "0x7a1200", "gasPrice": "0x10", "value": "0x0", ',
+                    '"data": "',
+                    vm.toString(arguments[i]),
+                    '"',
+                    "}}"
+                )
+            );
+            // solhint-enable quotes
+
+            string memory responseString = string(response);
+            console2.log("Response: ", responseString);
+
+            // If the response contains "error", exit
+            if (status >= 400 || vm.keyExists(responseString, ".error")) {
+                revert("Error executing proposal action");
+            }
+        }
+    }
+}