Implement admin contract for FROST related activities

contracts/Admin.sol

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+// The Licensed Work is (c) 2022 Sygma
+// SPDX-License-Identifier: LGPL-3.0-only
+
+pragma solidity 0.8.11;
+
+import "@openzeppelin/contracts/access/Ownable.sol";
+
+contract Admin is Ownable {
+
+    event StartedFROSTKeygen();
+    event StartedFROSTRefresh(string publicKey);
+    event TransferLiquidity(uint8 domainID, bytes32 resourceID, uint256 amount, bytes32 destinationAddress);
+
+    /**
+       @notice Emits {StartedFROSTKeygen} event
+     */
+    function startFROSTKeygen() public onlyOwner { 
+        emit StartedFROSTKeygen(); 
+    }
+
+    /**
+       @notice Emits {StartedFROSTRefresh} event
+       @param publicKey hex encoded public key of the subset to be refreshed
+     */
+    function startFROSTRefresh(string calldata publicKey) public onlyOwner { 
+        emit StartedFROSTRefresh(publicKey); 
+    }
+
+    /**
+        @notice Emits {TransferLiqudity} event that is used on relayer to move liquidity with the MPC address.
+        @notice Primarily used when switching MPC addresses and liquidity needs to be moved to the new address
+            on networks without smart contracts.
+        @param domainID domain ID of the network where the transfer should happen
+        @param resourceID resourceID of the token to be moved
+        @param amount amount of tokens to be moved
+        @param destinationAddress destination address where the tokens should end up
+     */
+    function transferLiquidity(uint8 domainID, bytes32 resourceID, uint256 amount, bytes32 destinationAddress) public onlyOwner { 
+        emit TransferLiquidity(domainID, resourceID, amount, destinationAddress); 
+    }
+}

migrations/9_deploy_admin.js

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+const parseArgs = require("minimist");
+
+const Admin = artifacts.require("Admin");
+
+module.exports = async function (deployer) {
+
+  const deployAdminContract  = parseArgs(process.argv.slice(2))["deploy-admin"];
+
+  if (deployAdminContract){
+    await deployer.deploy(Admin);
+    const adminInstance = await Admin.deployed();
+
+    console.table({
+        "Admin Address": adminInstance.address,
+    });
+  }
+}

test/admin/frost.js

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+// The Licensed Work is (c) 2022 Sygma
+// SPDX-License-Identifier: LGPL-3.0-only
+
+const TruffleAssert = require("truffle-assertions");
+const Helpers = require("../helpers");
+const Admin = artifacts.require("Admin")
+
+contract("Admin - [Frost]", (accounts) => {
+    let AdminInstance;
+
+    const publicKey = "publicKey"
+
+    beforeEach(async () => {
+        AdminInstance = await Admin.new(accounts[0]);
+    });
+
+    it("should emit StartedFROSTKeygen event when startFROSTKeygen is called by the owner", async () => {
+      const tx = await AdminInstance.startFROSTKeygen({from: accounts[0]})
+
+      TruffleAssert.eventEmitted(tx, "StartedFROSTKeygen");
+    });
+
+    it("should revert when startFROSTKeygen is not called by the owner", async () => {
+      await Helpers.reverts(
+        AdminInstance.startFROSTKeygen({from: accounts[1]}),
+      )
+    });
+
+    it("should emit StartedFrostRefresh event when startFROSTRefresh is called by the owner", async () => {
+      const tx = await AdminInstance.startFROSTRefresh(publicKey, {from: accounts[0]})
+
+      TruffleAssert.eventEmitted(tx, "StartedFROSTRefresh", (event) => {
+        return event.publicKey == publicKey
+      });
+    });
+
+    it("should revert when startFROSTREfresh is not called by the owner", async () => {
+      await Helpers.reverts(
+        AdminInstance.startFROSTRefresh({from: accounts[1]}),
+      )
+    });
+})

test/admin/transferLiquidity.js

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+// The Licensed Work is (c) 2022 Sygma
+// SPDX-License-Identifier: LGPL-3.0-only
+
+const TruffleAssert = require("truffle-assertions");
+const Helpers = require("../helpers");
+const Admin = artifacts.require("Admin")
+const Ethers = require("ethers");
+
+contract("Admin - [Liqudity]", (accounts) => {
+    let AdminInstance;
+
+    const domainID = 1;
+    const resourceID = "0x0000000000000000000000000000000000000000000000000000000000000650";
+    const recipient = "bc1qs0fcdq73vgurej48yhtupzcv83un2p5qhsje7n";
+    const amount = Ethers.utils.parseEther("1");
+
+    beforeEach(async () => {
+        AdminInstance = await Admin.new(accounts[0]);
+    });
+
+    it("should emit TransferLiqudity event when transferLiquidity is called by the owner", async () => {
+      const tx = await AdminInstance.transferLiquidity(
+        domainID, resourceID, amount, recipient,
+        {from: accounts[0]}
+    )
+
+      TruffleAssert.eventEmitted(tx, "TransferLiquidity", (event) => {
+        return (
+            event.domainID === domainID &&
+            event.resourceID === resourceID &&
+            event.amount === amount &&
+            event.destinationAddress === recipient
+        )
+      });
+    });
+
+    it("should revert when transferLiqudity is not called by the owner", async () => {
+      await Helpers.reverts(
+        AdminInstance.transferLiquidity(
+            domainID, resourceID, amount, recipient,
+            {from: accounts[1]}
+        )
+      )
+    });
+})