Renaming, cleanup and add manifest example.

evm/interfaces/ISwapAdapter.sol

@@ -2,9 +2,9 @@
 pragma solidity ^0.8.13;
 
 import "openzeppelin-contracts/contracts/interfaces/IERC20.sol";
-import "interfaces/IPairFunctionsTypes.sol";
+import "interfaces/ISwapAdapterTypes.sol";
 
-/// @title IPairFunctions
+/// @title ISwapAdapterTypes
 /// @dev Implement this interface to support propeller routing through your pairs.
 /// @dev Before implementing the interface we need to introduce three function for a
 /// @dev given pair: The swap(x), gas(x) and price(x) functions:
@@ -18,7 +18,7 @@ import "interfaces/IPairFunctionsTypes.sol";
 /// @dev During calls to swap and getLimits, the caller can be assumed to
 /// @dev have the required sell or buy token balance as well as unlimited approvals
 /// @dev to this contract.
-interface IPairFunctions is IPairFunctionTypes {
+interface ISwapAdapter is ISwapAdapterTypes {
     /// @notice Calculates pair prices for specified amounts (optional).
     /// @dev The returned prices should include all dex fees, in case the fee
     /// @dev is dynamic, the returned price is expected to include the minimum fee.

evm/interfaces/ISwapAdapterTypes.sol

@@ -3,7 +3,7 @@ pragma solidity ^0.8.13;
 
 import "openzeppelin-contracts/contracts/interfaces/IERC20.sol";
 
-interface IPairFunctionTypes {
+interface ISwapAdapterTypes {
     /// @dev The SwapSide enum represents possible sides of a trade: Sell or Buy.
     /// @dev E.g. if SwapSide is Sell, the sell amount is interpreted to be fixed.
     enum SwapSide {

evm/src/uniswap-v2/UniswapV2SwapAdapter.sol

@@ -1,9 +1,9 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later
 pragma solidity ^0.8.13;
 
-import "interfaces/IPairFunctions.sol";
+import "interfaces/ISwapAdapter.sol";
 
-contract UniswapV2PairFunctions is IPairFunctions {
+contract UniswapV2SwapAdapter is ISwapAdapter {
     IUniswapV2Factory immutable factory;
 
     constructor(address factory_) {

evm/src/uniswap-v2/manifest.yaml

@@ -0,0 +1,36 @@
+# information about the author helps us reach out in case of issues.
+author:
+  name: Propellerheads.xyz
+  email: alan@propellerheads.xyz
+
+# Protocol Constants
+constants:
+  protocol_gas: 30000
+  # minimum capabilities we can expect, individual pools may extend these
+  capabilities:
+    - SellSide
+    - BuySide
+    - PriceFunction
+
+# The file containing the adapter contract
+contract: UniswapV2SwapAdapter.sol
+
+# Deployment instances used to generate chain specific bytecode.
+instances:
+  - chain:
+      name: mainnet
+      id: 0
+    arguments:
+      - "0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f"
+
+# Specify some automatic test cases in case getPools and
+# getTokens are not implemented.
+tests:
+  instances:
+    - pair_id: "0xB4e16d0168e52d35CaCD2c6185b44281Ec28C9Dc"
+      sell_token: "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
+      buy_token: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
+      block: 17000000
+      chain:
+        id: 0
+        name: mainnet

evm/test/UniswapV2SwapAdapter.t.sol

@@ -3,11 +3,11 @@ pragma solidity ^0.8.13;
 
 import "forge-std/Test.sol";
 import "openzeppelin-contracts/contracts/interfaces/IERC20.sol";
-import "src/uniswap-v2/UniswapV2PairFunctions.sol";
+import "src/uniswap-v2/UniswapV2SwapAdapter.sol";
-import "interfaces/IPairFunctionsTypes.sol";
+import "interfaces/ISwapAdapterTypes.sol";
 
-contract UniswapV2PairFunctionTest is Test, IPairFunctionTypes {
+contract UniswapV2PairFunctionTest is Test, ISwapAdapterTypes {
-    UniswapV2PairFunctions pairFunctions;
+    UniswapV2SwapAdapter pairFunctions;
     IERC20 constant WETH = IERC20(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2);
     IERC20 constant USDC = IERC20(0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48);
     address constant USDC_WETH_PAIR = 0xB4e16d0168e52d35CaCD2c6185b44281Ec28C9Dc;
@@ -16,7 +16,7 @@ contract UniswapV2PairFunctionTest is Test, IPairFunctionTypes {
         uint256 forkBlock = 17000000;
         vm.createSelectFork(vm.rpcUrl("mainnet"), forkBlock);
         pairFunctions = new
-            UniswapV2PairFunctions(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f);
+            UniswapV2SwapAdapter(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f);
     }
 
     function testPriceFuzz(uint256 amount0, uint256 amount1) public {