Split preparations

.github/workflows/slither.yml

@@ -33,7 +33,7 @@ jobs:
           sarif: results.sarif
           fail-on: none
           target: .
-          slither-args: --filter-paths "node_modules/|contracts/safe-test-contracts/"
+          slither-args: --filter-paths "node_modules/|contracts/test-contracts/safe-test-contracts/"
       - name: Upload SARIF file
         uses: github/codeql-action/upload-sarif@48ab28a6f5dbc2a99bf1e0131198dd8f1df78169 # v3.28.0
         with:

.solhint.json

@@ -1,23 +1,31 @@
 {
   "extends": "solhint:recommended",
   "rules": {
-    "avoid-throw": "off",
     "compiler-version": ["error", "0.8.25"],
     "max-line-length": ["error", 120],
-    "max-states-count": ["error", 20],
-    "avoid-tx-origin": "off",
+    "max-states-count": ["error", 10],
     "not-rely-on-time": "off",
     "func-visibility": [
-      "warn",
+      "error",
       {
         "ignoreConstructors": true
       }
     ],
-    "no-global-import": "off",
     "no-inline-assembly": "off",
-    "var-name-mixedcase": "off",
-    "reason-string": "off",
-    "no-unused-vars": "error",
-    "no-empty-blocks": "off"
+    "payable-fallback": "error",
+    "func-param-name-mixedcase": "error",
+    "private-vars-leading-underscore": [
+      "warn",
+      {
+        "strict": true
+      }
+    ],
+    "imports-order": "warn",
+    "ordering": "warn",
+    "gas-length-in-loops": "error",
+    "comprehensive-interface": "error",
+    "explicit-types": "off",
+
+    "use-natspec": "off"
   }
 }

.solhintignore

@@ -1 +1,5 @@
-contracts/safe-test-contracts
+contracts/test-contracts/safe-test-contracts
+contracts/legacy
+
+# TEMPORARY
+contracts/split

contracts/Bridge.sol → contracts/interfaces/IBridge.sol

@@ -1,10 +1,54 @@
 // SPDX-License-Identifier: MIT
 pragma solidity 0.8.25;
 
-interface Bridge {
+interface IBridge {
 
     receive() external payable;
 
+    function registerBtcTransaction(bytes calldata atx, int256 height, bytes calldata pmt) external;
+
+    function addSignature(bytes calldata pubkey, bytes[] calldata signatures, bytes calldata txhash) external;
+
+    function receiveHeaders(bytes[] calldata blocks) external;
+
+    function receiveHeader(bytes calldata ablock) external returns (int256);
+
+    function createFederation() external returns (int256);
+
+    function addFederatorPublicKey(bytes calldata key) external returns (int256);
+
+    function addFederatorPublicKeyMultikey(bytes calldata btcKey, bytes calldata rskKey,
+        bytes calldata mstKey) external returns (int256);
+
+    function commitFederation(bytes calldata hash) external returns (int256);
+
+    function rollbackFederation() external returns (int256);
+
+    function addLockWhitelistAddress(string calldata aaddress, int256 maxTransferValue) external returns (int256);
+
+    function addOneOffLockWhitelistAddress(string calldata aaddress, int256 maxTransferValue)
+        external returns (int256);
+
+    function addUnlimitedLockWhitelistAddress(string calldata aaddress) external returns (int256);
+
+    function removeLockWhitelistAddress(string calldata aaddress) external returns (int256);
+
+    function setLockWhitelistDisableBlockDelay(int256 disableDelay) external returns (int256);
+
+    function voteFeePerKbChange(int256 feePerKb) external returns (int256);
+
+    function updateCollections() external;
+
+    function increaseLockingCap(int256 newLockingCap) external returns (bool);
+
+    function registerBtcCoinbaseTransaction(bytes calldata btcTxSerialized, bytes32 blockHash,
+        bytes calldata pmtSerialized, bytes32 witnessMerkleRoot, bytes32 witnessReservedValue) external;
+
+    function registerFastBridgeBtcTransaction(bytes calldata btcTxSerialized, uint256 height,
+        bytes calldata pmtSerialized, bytes32 derivationArgumentsHash,
+        bytes calldata userRefundBtcAddress, address payable liquidityBridgeContractAddress,
+        bytes calldata liquidityProviderBtcAddress, bool shouldTransferToContract) external returns (int256);
+
     function getBtcBlockchainBestChainHeight() external view returns (int);
 
     function getStateForBtcReleaseClient() external view returns (bytes memory);
@@ -21,14 +65,6 @@ interface Bridge {
 
     function getFederationAddress() external view returns (string memory);
 
-    function registerBtcTransaction(bytes calldata atx, int256 height, bytes calldata pmt) external;
-
-    function addSignature(bytes calldata pubkey, bytes[] calldata signatures, bytes calldata txhash) external;
-
-    function receiveHeaders(bytes[] calldata blocks) external;
-
-    function receiveHeader(bytes calldata ablock) external returns (int256);
-
     function getFederationSize() external view returns (int256);
 
     function getFederationThreshold() external view returns (int256);
@@ -56,17 +92,6 @@ interface Bridge {
 
     function getRetiringFederationCreationBlockNumber() external view returns (int256);
 
-    function createFederation() external returns (int256);
-
-    function addFederatorPublicKey(bytes calldata key) external returns (int256);
-
-    function addFederatorPublicKeyMultikey(bytes calldata btcKey, bytes calldata rskKey,
-        bytes calldata mstKey) external returns (int256);
-
-    function commitFederation(bytes calldata hash) external returns (int256);
-
-    function rollbackFederation() external returns (int256);
-
     function getPendingFederationHash() external view returns (bytes memory);
 
     function getPendingFederationSize() external view returns (int256);
@@ -82,42 +107,17 @@ interface Bridge {
 
     function getLockWhitelistEntryByAddress(string calldata aaddress) external view returns (int256);
 
-    function addLockWhitelistAddress(string calldata aaddress, int256 maxTransferValue) external returns (int256);
-
-    function addOneOffLockWhitelistAddress(string calldata aaddress, int256 maxTransferValue)
-        external returns (int256);
-
-    function addUnlimitedLockWhitelistAddress(string calldata aaddress) external returns (int256);
-
-    function removeLockWhitelistAddress(string calldata aaddress) external returns (int256);
-
-    function setLockWhitelistDisableBlockDelay(int256 disableDelay) external returns (int256);
-
     function getFeePerKb() external view returns (int256);
 
-    function voteFeePerKbChange(int256 feePerKb) external returns (int256);
-
-    function updateCollections() external;
-
     function getMinimumLockTxValue() external view returns (int256);
 
     function getBtcTransactionConfirmations(bytes32 txHash, bytes32 blockHash,
         uint256 merkleBranchPath, bytes32[] calldata merkleBranchHashes) external view returns (int256);
 
     function getLockingCap() external view returns (int256);
 
-    function increaseLockingCap(int256 newLockingCap) external returns (bool);
-
-    function registerBtcCoinbaseTransaction(bytes calldata btcTxSerialized, bytes32 blockHash,
-        bytes calldata pmtSerialized, bytes32 witnessMerkleRoot, bytes32 witnessReservedValue) external;
-
     function hasBtcBlockCoinbaseTransactionInformation(bytes32 blockHash) external view returns (bool);
 
-    function registerFastBridgeBtcTransaction(bytes calldata btcTxSerialized, uint256 height,
-        bytes calldata pmtSerialized, bytes32 derivationArgumentsHash,
-        bytes calldata userRefundBtcAddress, address payable liquidityBridgeContractAddress,
-        bytes calldata liquidityProviderBtcAddress, bool shouldTransferToContract) external returns (int256);
-
     function getActiveFederationCreationBlockHeight() external view returns (uint256);
 
     function getActivePowpegRedeemScript() external view returns (bytes memory);

contracts/interfaces/ICollateralManagement.sol

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.25;
+
+import {Flyover} from "../libraries/Flyover.sol";
+
+interface ICollateralManagement {
+    event WithdrawCollateral(address indexed addr, uint indexed amount);
+    event Resigned(address indexed addr);
+    event PegInCollateralAdded(address indexed addr, uint256 indexed amount);
+    event PegOutCollateralAdded(address indexed addr, uint256 indexed amount);
+
+    error AlreadyResigned(address from);
+    error NotResigned(address from);
+    error ResignationDelayNotMet(address from, uint resignationBlockNum, uint resignDelayInBlocks);
+    error WithdrawalFailed(address from, uint amount);
+
+    function addPegInCollateralTo(address addr) external payable;
+    function addPegInCollateral() external payable;
+    function addPegOutCollateralTo(address addr) external payable;
+    function addPegOutCollateral() external payable;
+
+    function getPegInCollateral(address addr) external view returns (uint256);
+    function getPegOutCollateral(address addr) external view returns (uint256);
+    function getResignationBlock(address addr) external view returns (uint256);
+    function getMinCollateral() external view returns (uint256);
+    function isRegistered(Flyover.ProviderType providerType, address addr) external view returns (bool);
+    function isCollateralSufficient(Flyover.ProviderType providerType, address addr) external view returns (bool);
+}

contracts/interfaces/IFlyoverDiscovery.sol

@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.25;
+
+import {Flyover} from "../libraries/Flyover.sol";
+
+interface IFlyoverDiscovery {
+    event Register(uint indexed id, address indexed from, uint256 indexed amount);
+    event ProviderUpdate(address indexed from, string name, string apiBaseUrl);
+    event ProviderStatusSet(uint indexed id, bool indexed status);
+
+    error NotAuthorized(address from);
+    error NotEOA(address from);
+    error InvalidProviderData(string name, string apiBaseUrl);
+    error InvalidProviderType(Flyover.ProviderType providerType);
+    error AlreadyRegistered(address from);
+    error InsufficientCollateral(uint amount);
+
+    function register(
+        string memory name,
+        string memory apiBaseUrl,
+        bool status,
+        Flyover.ProviderType providerType
+    ) external payable returns (uint);
+
+    function updateProvider(string memory name,string memory apiBaseUrl) external;
+    function setProviderStatus(uint providerId, bool status) external;
+    function getProviders() external view returns (Flyover.LiquidityProvider[] memory);
+    function getProvider(address providerAddress) external view returns (Flyover.LiquidityProvider memory);
+    function isOperational(Flyover.ProviderType providerType, address addr) external view returns (bool);
+}

contracts/interfaces/ILegacy.sol

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.25;
+
+import {QuotesV2} from "../legacy/QuotesV2.sol";
+
+interface ILegacyLiquidityBridgeContract {
+    function register(
+        string memory name,
+        string memory apiBaseUrl,
+        bool status,
+        string memory providerType
+    ) external payable returns (uint);
+
+    function depositPegout(
+        QuotesV2.PegOutQuote memory quote,
+        bytes memory signature
+    ) external payable;
+}

contracts/LiquidityBridgeContract.sol → contracts/legacy/LiquidityBridgeContract.sol

@@ -2,9 +2,9 @@
 pragma solidity 0.8.25;
 pragma experimental ABIEncoderV2;
 
-import "./Bridge.sol";
+import "../interfaces/IBridge.sol";
 import "./Quotes.sol";
-import "./SignatureValidator.sol";
+import "../libraries/SignatureValidator.sol";
 import "@rsksmart/btc-transaction-solidity-helper/contracts/BtcUtils.sol";
 import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
 import "@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";
@@ -96,7 +96,7 @@ contract LiquidityBridgeContract is Initializable, OwnableUpgradeable, Reentranc
         address userAddress
     );
 
-    Bridge public bridge;
+    IBridge public bridge;
     mapping(address => uint256) private balances;
     mapping(address => uint256) private collateral;
     mapping(address => uint256) private pegoutCollateral;
@@ -159,7 +159,7 @@ contract LiquidityBridgeContract is Initializable, OwnableUpgradeable, Reentranc
         require(_resignDelayBlocks >= 60, "LBC073");
         __Ownable_init_unchained(msg.sender);
         __ReentrancyGuard_init_unchained();
-        bridge = Bridge(_bridgeAddress);
+        bridge = IBridge(_bridgeAddress);
         minCollateral = _minimumCollateral;
         minPegIn = _minimumPegIn;
         rewardP = _rewardPercentage;

contracts/LiquidityBridgeContractV2.sol → contracts/legacy/LiquidityBridgeContractV2.sol

@@ -2,9 +2,9 @@
 pragma solidity 0.8.25;
 pragma experimental ABIEncoderV2;
 
-import "./Bridge.sol";
+import "../interfaces/IBridge.sol";
 import "./QuotesV2.sol";
-import "./SignatureValidator.sol";
+import "../libraries/SignatureValidator.sol";
 import "@rsksmart/btc-transaction-solidity-helper/contracts/BtcUtils.sol";
 import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
 import "@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";
@@ -90,7 +90,7 @@
     event DaoFeeSent(bytes32 indexed quoteHash, uint256 amount);
     event ProviderUpdate(address indexed providerAddress, string name, string url);
 
-    Bridge public bridge;
+    IBridge public bridge;
     mapping(address => uint256) private balances;
     mapping(address => uint256) private collateral;
     mapping(address => uint256) private pegoutCollateral;

contracts/libraries/Flyover.sol

@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.25;
+
+library Flyover {
+    enum ProviderType { PegIn, PegOut, Both }
+
+    struct LiquidityProvider {
+        uint id;
+        address providerAddress;
+        bool status;
+        ProviderType providerType;
+        string name;
+        string apiBaseUrl;
+    }
+
+    error ProviderNotRegistered(address from);
+}