fix: constants on token addresses; update docs

Author: yan-man

docs/Horizon/Horizon-overview.md

@@ -87,7 +87,7 @@ All other existing functionality remains unchanged from v3.3. Stablecoins, or ot
 - borrowingEnabled: true
 - borrowableInIsolation: true
 - withSiloedBorrowing: false
-- flashloanable: true (authorized flashborrowers can be configured)
+- flashloanable: false 
 - LTV: 0
 - liquidationThreshold: 0 (to disable its use as collateral)
 - liquidationBonus: N/A (can be 0)
@@ -97,11 +97,11 @@ All other existing functionality remains unchanged from v3.3. Stablecoins, or ot
 - debtCeiling: 0 (only applies to isolated asset)
 - liquidationProtocolFee: 0 (as it won't apply for a non-collateral asset)
 
-Stablecoins, or other non-RWA permissionless assets, may also be configured as collateral in the future, by setting `liquidationThreshold` above `0`. In such case, natively permissionless borrowing would therefore be enabled within the instance.
+Stablecoins, or other non-RWA permissionless assets, may also be configured as collateral in the future, by setting `liquidationThreshold` above `0`. In such case, natively permissionless borrowing would therefore be enabled within the instance. Flashloans and authorized flashborrowers may be configured in the future. 
 
 ## Edge Cases of Note
 
-Consider the following scenarios involving the example permissioned `RWA_1` token.
+Consider the following scenarios involving the example permissioned `RWA_1` token. Flashloans may be utilized from other protocols if disabled in Horizon. 
 
 ### RWA Holder Loses Private Keys to Wallet
 

src/deployments/inputs/HorizonPhaseOneUpdate.sol

@@ -6,25 +6,16 @@ import {EngineFlags} from '../../contracts/extensions/v3-config-engine/EngineFla
 import {AaveV3Payload} from '../../contracts/extensions/v3-config-engine/AaveV3Payload.sol';
 
 contract HorizonPhaseOneUpdate is AaveV3Payload {
-  address public immutable GHO_ADDRESS;
-  address public immutable USDC_ADDRESS;
-  address public immutable RLUSD_ADDRESS;
-  address public immutable USTB_ADDRESS;
-  address public immutable USCC_ADDRESS;
-  address public immutable USYC_ADDRESS;
-  address public immutable JTRSY_ADDRESS;
-  address public immutable JAAA_ADDRESS;
-
-  constructor(address configEngine) AaveV3Payload(IEngine(configEngine)) {
-    GHO_ADDRESS = 0x40D16FC0246aD3160Ccc09B8D0D3A2cD28aE6C2f;
-    USDC_ADDRESS = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;
-    RLUSD_ADDRESS = 0x8292Bb45bf1Ee4d140127049757C2E0fF06317eD;
-    USTB_ADDRESS = 0x43415eB6ff9DB7E26A15b704e7A3eDCe97d31C4e;
-    USCC_ADDRESS = 0x14d60E7FDC0D71d8611742720E4C50E7a974020c;
-    USYC_ADDRESS = 0x136471a34f6ef19fE571EFFC1CA711fdb8E49f2b;
-    JTRSY_ADDRESS = 0x8c213ee79581Ff4984583C6a801e5263418C4b86;
-    JAAA_ADDRESS = 0x5a0F93D040De44e78F251b03c43be9CF317Dcf64;
-  }
+  address public constant GHO_ADDRESS = 0x40D16FC0246aD3160Ccc09B8D0D3A2cD28aE6C2f;
+  address public constant USDC_ADDRESS = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;
+  address public constant RLUSD_ADDRESS = 0x8292Bb45bf1Ee4d140127049757C2E0fF06317eD;
+  address public constant USTB_ADDRESS = 0x43415eB6ff9DB7E26A15b704e7A3eDCe97d31C4e;
+  address public constant USCC_ADDRESS = 0x14d60E7FDC0D71d8611742720E4C50E7a974020c;
+  address public constant USYC_ADDRESS = 0x136471a34f6ef19fE571EFFC1CA711fdb8E49f2b;
+  address public constant JTRSY_ADDRESS = 0x8c213ee79581Ff4984583C6a801e5263418C4b86;
+  address public constant JAAA_ADDRESS = 0x5a0F93D040De44e78F251b03c43be9CF317Dcf64;
+
+  constructor(address configEngine) AaveV3Payload(IEngine(configEngine)) {}
 
   function capsUpdates() public view override returns (IEngine.CapsUpdate[] memory) {
     IEngine.CapsUpdate[] memory caps = new IEngine.CapsUpdate[](8);

tests/deployments/HorizonPhaseOneUpdate.t.sol

@@ -274,13 +274,38 @@ contract HorizonPhaseOneUpdateTest is HorizonPhaseOneListingTest {
   }
 }
 
-contract HorizonPhaseOneUpdateForkTest is HorizonPhaseOneUpdateTest {
+contract HorizonPhaseOneUpdatePostDeploymentForkTest is HorizonPhaseOneUpdateTest {
   function setUp() public override {
-    vm.skip(true, 'post-payload execution');
+    vm.skip(true, 'post-payload deployment');
     super.setUp();
   }
 
   function loadDeployment() internal override returns (DeploymentInfo memory) {
+    address horizonPhaseOneUpdate; // TODO: deployed payload address
+    vm.prank(EMERGENCY_MULTISIG);
+    (bool success, ) = LISTING_EXECUTOR_ADDRESS.call(
+      abi.encodeWithSignature(
+        'executeTransaction(address,uint256,string,bytes,bool)',
+        address(horizonPhaseOneUpdate), // target
+        0, // value
+        'execute()', // signature
+        '', // data
+        true // withDelegatecall
+      )
+    );
+    require(success, 'Failed to execute transaction');
+
+    return deploymentInfo;
+  }
+}
+
+contract HorizonPhaseOneUpdatePostExecutionForkTest is HorizonPhaseOneUpdateTest {
+  function setUp() public override {
+    vm.skip(true, 'post-payload execution');
+    super.setUp();
+  }
+
+  function loadDeployment() internal view override returns (DeploymentInfo memory) {
     return deploymentInfo;
   }
 }