chore(contracts/core): migrate genesis contracts to monorepo (#2689)

Migrated Genesis contracts into monorepo

issue: none

contracts/core/.gas-snapshot

@@ -43,7 +43,7 @@ OmniBridgeNative_Test:test_pauseBridging() (gas: 44379)
 OmniBridgeNative_Test:test_pauseWithdraws() (gas: 61240)
 OmniBridgeNative_Test:test_stub() (gas: 143)
 OmniBridgeNative_Test:test_withdraw() (gas: 279580)
-OmniGasPump_Test:testFuzz_quote(uint32) (runs: 256, μ: 63943, ~: 63991)
+OmniGasPump_Test:testFuzz_quote(uint32) (runs: 256, μ: 63941, ~: 63991)
 OmniGasPump_Test:test_fillUp() (gas: 237060)
 OmniGasPump_Test:test_pause() (gas: 62825)
 OmniGasPump_Test:test_setMaxSwap() (gas: 34771)

contracts/core/package.json

@@ -20,6 +20,7 @@
   "dependencies": {
     "@nomad-xyz/excessively-safe-call": "github:nomad-xyz/ExcessivelySafeCall",
     "@openzeppelin-v4/contracts": "npm:@openzeppelin/[email protected]",
+    "@openzeppelin-v4/contracts-upgradeable": "npm:@openzeppelin/[email protected]",
     "@openzeppelin/contracts": "^5.0.2",
     "@openzeppelin/contracts-upgradeable": "^5.0.2",
     "eigenlayer-contracts": "github:Layr-Labs/eigenlayer-contracts",

contracts/core/src/interfaces/IGenesisStake.sol

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-3.0-only
+pragma solidity 0.8.24;
+
+interface IGenesisStake {
+    /**
+     * @notice Stake `amount` tokens.
+     * @param amount    The amount of tokens to stake.
+     */
+    function stake(uint256 amount) external;
+
+    /**
+     * @notice Stake `amount` tokens for `recipient`, paid by the caller.
+     * @param recipient The recipient to stake tokens for.
+     * @param amount    The amount of tokens to stake.
+     */
+    function stakeFor(address recipient, uint256 amount) external;
+
+    /**
+     * @notice Unstake your entire balance, starting the unbonding period.
+     */
+    function unstake() external;
+
+    /**
+     * @notice Withdraw your entire balance after the unbonding period.
+     */
+    function withdraw() external;
+
+    /**
+     * @notice Returns timestamp at which `account` can withdraw.
+     *         Reverts if the account has not staked & unstaked.
+     */
+    function canWithdrawAt(address account) external view returns (uint256);
+}