From 6569264fc72ed9102fa7532cd8b0fb631f598d3d Mon Sep 17 00:00:00 2001
From: David <david@taiko.xyz>
Date: Fri, 2 Feb 2024 17:05:38 +0800
Subject: [PATCH] feat(protocol): add `OptimisticTierProvider` for client
 testing (#15645)

---
 .../L1/tiers/OptimisticTierProvider.sol       | 51 +++++++++++++++++++
 packages/protocol/script/DeployOnL1.s.sol     | 10 +++-
 packages/protocol/script/test_deploy_on_l1.sh |  1 +
 3 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100644 packages/protocol/contracts/L1/tiers/OptimisticTierProvider.sol

diff --git a/packages/protocol/contracts/L1/tiers/OptimisticTierProvider.sol b/packages/protocol/contracts/L1/tiers/OptimisticTierProvider.sol
new file mode 100644
index 00000000000..9b95345c462
--- /dev/null
+++ b/packages/protocol/contracts/L1/tiers/OptimisticTierProvider.sol
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: MIT
+//  _____     _ _         _         _
+// |_   _|_ _(_) |_____  | |   __ _| |__ ___
+//   | |/ _` | | / / _ \ | |__/ _` | '_ (_-<
+//   |_|\__,_|_|_\_\___/ |____\__,_|_.__/__/
+//
+//   Email: security@taiko.xyz
+//   Website: https://taiko.xyz
+//   GitHub: https://github.com/taikoxyz
+//   Discord: https://discord.gg/taikoxyz
+//   Twitter: https://twitter.com/taikoxyz
+//   Blog: https://mirror.xyz/labs.taiko.eth
+//   Youtube: https://www.youtube.com/@taikoxyz
+
+pragma solidity 0.8.24;
+
+import "../../common/EssentialContract.sol";
+import "./ITierProvider.sol";
+
+contract OptimisticTierProvider is EssentialContract, ITierProvider {
+    error TIER_NOT_FOUND();
+
+    /// @notice Initializes the contract with the provided address manager.
+    function init() external initializer {
+        __Essential_init();
+    }
+
+    function getTier(uint16 tierId) public pure override returns (ITierProvider.Tier memory) {
+        if (tierId == LibTiers.TIER_OPTIMISTIC) {
+            return ITierProvider.Tier({
+                verifierName: "tier_optimistic",
+                validityBond: 250 ether, // TKO
+                contestBond: 500 ether, // TKO
+                cooldownWindow: 24 hours,
+                provingWindow: 2 hours,
+                maxBlocksToVerifyPerProof: 10
+            });
+        }
+
+        revert TIER_NOT_FOUND();
+    }
+
+    function getTierIds() public pure override returns (uint16[] memory tiers) {
+        tiers = new uint16[](1);
+        tiers[0] = LibTiers.TIER_OPTIMISTIC;
+    }
+
+    function getMinTier(uint256 rand) public pure override returns (uint16) {
+        return LibTiers.TIER_OPTIMISTIC;
+    }
+}
diff --git a/packages/protocol/script/DeployOnL1.s.sol b/packages/protocol/script/DeployOnL1.s.sol
index d9c0243ecad..9a97c22d675 100644
--- a/packages/protocol/script/DeployOnL1.s.sol
+++ b/packages/protocol/script/DeployOnL1.s.sol
@@ -25,6 +25,7 @@ import "../contracts/L1/verifiers/SgxVerifier.sol";
 import "../contracts/L1/verifiers/SgxAndZkVerifier.sol";
 import "../contracts/L1/verifiers/GuardianVerifier.sol";
 import "../contracts/L1/tiers/TaikoA6TierProvider.sol";
+import "../contracts/L1/tiers/OptimisticTierProvider.sol";
 import "../contracts/L1/hooks/AssignmentHook.sol";
 import "../contracts/L1/gov/TaikoTimelockController.sol";
 import "../contracts/L1/gov/TaikoGovernor.sol";
@@ -311,9 +312,16 @@ contract DeployOnL1 is DeployCapability {
             owner: timelock
         });
 
+        address tierProvider;
+        if (vm.envBool("OPTIMISTIC_TIER_PROVIDER")) {
+            tierProvider = address(new OptimisticTierProvider());
+        } else {
+            tierProvider = address(new TaikoA6TierProvider());
+        }
+
         deployProxy({
             name: "tier_provider",
-            impl: address(new TaikoA6TierProvider()),
+            impl: tierProvider,
             data: abi.encodeCall(TaikoA6TierProvider.init, ()),
             registerTo: rollupAddressManager,
             owner: timelock
diff --git a/packages/protocol/script/test_deploy_on_l1.sh b/packages/protocol/script/test_deploy_on_l1.sh
index ee48aba7eb9..733a2547755 100755
--- a/packages/protocol/script/test_deploy_on_l1.sh
+++ b/packages/protocol/script/test_deploy_on_l1.sh
@@ -16,6 +16,7 @@ TAIKO_TOKEN_NAME="Taiko Token Katla" \
 TAIKO_TOKEN_SYMBOL=TTKOk \
 SHARED_ADDRESS_MANAGER=0x0000000000000000000000000000000000000000 \
 L2_GENESIS_HASH=0xee1950562d42f0da28bd4550d88886bc90894c77c9c9eaefef775d4c8223f259 \
+OPTIMISTIC_TIER_PROVIDER=false \
 forge script script/DeployOnL1.s.sol:DeployOnL1 \
     --fork-url http://localhost:8545 \
     --broadcast \