new LaunchGrantLegacy (#28)

script/deploy.js

@@ -294,6 +294,26 @@ async function deployAirdropReservations(config) {
   }
 }
 
+async function deployLaunchGrantLegacy(config) {
+  dotenv.config();
+
+  await getPrivateKey(config);
+
+  const spinner = ora(`Deploying LaunchGrantLegacy contract...`).start();
+
+  try {
+    const data = execSync(
+      `forge script script/LaunchGrantLegacy.s.sol:DeployLaunchGrant--fork-url ${config.ethereumRpcUrl} \
+      --etherscan-api-key ${config.ethereumEtherscanApiKey} --broadcast --verify -vvvv`
+    );
+    console.log(data.toString());
+    spinner.succeed('Deployed LaunchGrantLegacy contract successfully!');
+  } catch (err) {
+    console.error(err);
+    spinner.fail('Deployment of LaunchGrantLegacy has failed.');
+  }
+}
+
 async function deployWLDGrantPreGrant4(config) {
   dotenv.config();
 
@@ -387,6 +407,17 @@ async function addAllowedNullifierHashBlocker(config) {
 async function main() {
   const program = new Command();
 
+  program
+    .name('deploy-launch-grant-legacy')
+    .command('deploy-launch-grant-legacy')
+    .description('Deploys the LaunchGrantLegacy contract')
+    .action(async () => {
+      const options = program.opts();
+      let config = await loadConfiguration(options.config);
+      await deployLaunchGrantLegacy(config);
+      await saveConfiguration(config);
+    });
+
   program
     .name('deploy-airdrop')
     .command('deploy-airdrop')

src/LaunchGrantLegacy.sol

@@ -41,8 +41,5 @@ contract LaunchGrantLegacy is IGrant {
 
         // Only until 20 can be redeemed through this contract.
         if (grantId >= 21) revert InvalidGrant();
-
-        // Reservations are only valid for 12 months.
-        if (block.timestamp > timestamp + 52 weeks) revert InvalidGrant();
     }
 }

src/LaunchGrantLegacyPreGrant4.sol

@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.19;
+
+import {IGrant} from "./IGrantPreGrant4.sol";
+
+contract LaunchGrantLegacy is IGrant {
+    uint256 internal immutable launchDayTimestampInSeconds = 1690167600; // Monday, 24 July 2023 03:00:00
+
+    function calculateId(uint256 timestamp) external pure returns (uint256) {
+        if (timestamp < launchDayTimestampInSeconds) revert InvalidGrant();
+
+        uint256 weeksSinceLaunch = (timestamp - launchDayTimestampInSeconds) / 1 weeks;
+        // Monday, 24 July 2023 07:00:00 until Monday, 07 August 2023 06:59:59 (2 weeks)
+        if (weeksSinceLaunch < 2) return 13;
+        // Monday, 07 August 2023 03:00:00 until Monday, 14 August 2023 02:59:59 (1 week)
+        if (weeksSinceLaunch < 3) return 14;
+        return 15 + (weeksSinceLaunch - 3) / 2;
+    }
+
+    function getCurrentId() external view override returns (uint256) {
+        return this.calculateId(block.timestamp);
+    }
+
+    function getAmount(uint256 grantId) external pure override returns (uint256) {
+        if (grantId == 13) return 25 * 10 ** 18;
+        if (grantId == 14) return 10 * 10 ** 18;
+        return 3 * 10 ** 18;
+    }
+
+    function checkValidity(uint256 grantId) external view override {
+        if (this.getCurrentId() != grantId) revert InvalidGrant();
+
+        if (grantId >= 21) revert InvalidGrant();
+    }
+
+    function checkReservationValidity(uint256 timestamp) external view override {
+        uint256 grantId = this.calculateId(timestamp);
+
+        // No future grants can be claimed.
+        if (grantId >= this.getCurrentId()) revert InvalidGrant();
+
+        // Only until 20 can be redeemed through this contract.
+        if (grantId >= 21) revert InvalidGrant();
+
+        // Reservations are only valid for 12 months.
+        if (block.timestamp > timestamp + 52 weeks) revert InvalidGrant();
+    }
+}