Add FixedBuilderScore contract and deployment script

Replace PassportBuilderScore with a dummy contract that returns a fixed
score for all users. Admin can update the score via setFixedScore().
Includes deployment script that also updates TalentVault to use the new
contract.

Author: 0xleal

.tool-versions

@@ -1,2 +1,3 @@
 nodejs 20.12.2
 solidity 0.8.24
+yarn 1.22.19

contracts/passport/FixedBuilderScore.sol

@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.24;
+
+import "@openzeppelin/contracts/access/Ownable.sol";
+
+/// @title Fixed Builder Score
+/// @notice A dummy PassportBuilderScore that returns a fixed score for all users
+contract FixedBuilderScore is Ownable {
+    uint256 public fixedScore;
+
+    event FixedScoreUpdated(uint256 oldScore, uint256 newScore);
+
+    constructor(uint256 _fixedScore, address _owner) Ownable(_owner) {
+        fixedScore = _fixedScore;
+    }
+
+    /// @notice Set the fixed score returned for all passport IDs
+    /// @param _fixedScore The new fixed score
+    function setFixedScore(uint256 _fixedScore) external onlyOwner {
+        uint256 oldScore = fixedScore;
+        fixedScore = _fixedScore;
+        emit FixedScoreUpdated(oldScore, _fixedScore);
+    }
+
+    /// @notice Returns the fixed score for any passport ID
+    /// @param passportId Ignored - returns the same score for all
+    /// @return The fixed score
+    function getScore(uint256 _passportId) external view returns (uint256) {
+        return fixedScore;
+    }
+}

scripts/passport/deployFixedBuilderScore.ts

@@ -0,0 +1,53 @@
+import { ethers, network } from "hardhat";
+
+const TALENT_VAULT_MAINNET = "0x23Ff3256A29847d7EF760943bd6679b565CbdE5a";
+
+// Set to 60 to give everyone the bonus yield rate, or 0 for base rate only
+const INITIAL_FIXED_SCORE = 60;
+
+async function main() {
+  const isMainnet = network.name === "mainnet" || network.name === "base";
+
+  if (!isMainnet) {
+    return;
+  }
+
+  const talentVaultAddress = TALENT_VAULT_MAINNET;
+
+  console.log(`Deploying Fixed Builder Score at ${network.name}`);
+
+  const [admin] = await ethers.getSigners();
+
+  console.log(`Admin/Owner will be ${admin.address}`);
+
+  // Deploy FixedBuilderScore
+  const fixedBuilderScoreContract = await ethers.getContractFactory("FixedBuilderScore");
+  const fixedBuilderScore = await fixedBuilderScoreContract.deploy(INITIAL_FIXED_SCORE, admin.address);
+  await fixedBuilderScore.deployed();
+
+  console.log(`Fixed Builder Score deployed at ${fixedBuilderScore.address}`);
+  console.log(`Initial fixed score: ${INITIAL_FIXED_SCORE}`);
+  console.log(`Owner: ${admin.address}`);
+
+  // Update TalentVault to use the new FixedBuilderScore
+  console.log(`\nUpdating TalentVault at ${talentVaultAddress}...`);
+  const talentVault = await ethers.getContractAt("TalentVault", talentVaultAddress);
+  const tx = await talentVault.setPassportBuilderScore(fixedBuilderScore.address);
+  await tx.wait();
+
+  console.log(`TalentVault.setPassportBuilderScore updated to ${fixedBuilderScore.address}`);
+
+  console.log("\n--- Verification Command ---");
+  console.log(
+    `npx hardhat verify --network ${network.name} ${fixedBuilderScore.address} ${INITIAL_FIXED_SCORE} ${admin.address}`
+  );
+
+  console.log("\nDone");
+}
+
+main()
+  .then(() => process.exit(0))
+  .catch((error) => {
+    console.error(error);
+    process.exit(1);
+  });