rc-v1.0.1-stable proposed bytecode optimization to merge into stable branch

.gas-snapshot

@@ -0,0 +1,31 @@
+CirclesTest:testCalculateIssuance() (gas: 3729002)
+CirclesTest:testConsecutiveClaimablePeriods() (gas: 375082)
+CirclesTest:testDemurragedTransfer() (gas: 229055)
+CompositeMintGroupsTest:testCompositeGroupMint() (gas: 212459)
+DemurrageTest:testDemurrageFactor() (gas: 79139)
+DemurrageTest:testFuzzStablePointIssuance(int192) (runs: 256, μ: 63114, ~: 63250)
+DemurrageTest:testInversionGammaBeta64x64_100years() (gas: 958541)
+DemurrageTest:testInversionGammaBeta64x64_100years_withExtension() (gas: 1083080)
+DemurrageTest:testInversionGammaBeta64x64_100years_withExtension_comparison() (gas: 1703713)
+DemurrageTest:testInversionGammaBeta64x64_20years() (gas: 221562)
+DemurrageTest:testRepeatedDemurrage() (gas: 15264702)
+ERC20LiftTest:testERC20Demurrage() (gas: 133270)
+ERC20LiftTest:testERC20Wrap() (gas: 954629)
+ERC20LiftTest:testWrapAndUnwrapInflationaryERC20() (gas: 89881)
+GroupMintTest:testRegisterGroup() (gas: 165153)
+HubPathTransferTest:testOperateFlowMatrixConsentedFlow() (gas: 265369)
+MigrationTest:testConversionMigrationV1ToTimeCircles() (gas: 18365)
+MintGroupCirclesTest:testDirectSelfGroupMintFails() (gas: 341135)
+MintGroupCirclesTest:testGroupMint() (gas: 340165)
+MintGroupCirclesTest:testGroupMintFail() (gas: 23302)
+MintGroupCirclesTest:testGroupMintMany() (gas: 858065)
+MintGroupCirclesTest:testGroupMintMultiCollateral() (gas: 755126)
+MintGroupCirclesTest:testSequentialGroupMint() (gas: 511760)
+NamesTest:testBase58Conversion() (gas: 78904)
+NamesTest:testCustomName() (gas: 40809)
+NamesTest:testInvalidCustomNames() (gas: 20017)
+NamesTest:testMetadataDigest() (gas: 35073)
+NamesTest:testShortName() (gas: 102230)
+NamesTest:testShortNameWithNonce() (gas: 73360)
+NamesTest:testShortNameWithPadding() (gas: 71662)
+V1MintStatusUpdateTest:testMigrationFromV1DuringBootstrap() (gas: 2542748)

.github/workflows/test.yml

@@ -2,9 +2,9 @@ name: test
 
 on: 
   push:
-    branches: [ master, develop ]
+    branches: [ master, develop, beta, candidate/stable ]
   pull_request:
-    branches: [ master, develop ]
+    branches: [ master, develop, beta, candidate/stable ]
   workflow_dispatch:
 
 env:
@@ -42,3 +42,13 @@ jobs:
         run: |
           forge test -vvv
         id: test
+
+      - name: Print compiled non-test contract sizes
+        run: |
+          forge build --skip test --sizes
+        id: build-sizes
+
+      - name: Print gas difference against a pre-existing snapshot
+        run: |
+          forge snapshot --diff
+        id: gas-diff

.gitignore

@@ -5,8 +5,6 @@ out/
 # docs
 
 
-# gas snapshot files
-.gas-snapshot
 
 # Ignores development broadcast logs
 !/broadcast

src/circles/DiscountedBalances.sol

@@ -91,10 +91,7 @@ contract DiscountedBalances is Demurrage {
             // revert CirclesDemurrageAmountExceedsMaxUint192(_account, _id, _balance, 0);
             revert CirclesErrorAddressUintArgs(_account, _id, 0x81);
         }
-        DiscountedBalance memory discountedBalance = discountedBalances[_id][_account];
-        discountedBalance.balance = uint192(_balance);
-        discountedBalance.lastUpdatedDay = _day;
-        discountedBalances[_id][_account] = discountedBalance;
+        discountedBalances[_id][_account] = DiscountedBalance({balance: uint192(_balance), lastUpdatedDay: _day});
     }
 
     /**

src/circles/ERC1155.sol

@@ -114,10 +114,7 @@ abstract contract ERC1155 is DiscountedBalances, Context, ERC165, IERC1155, IERC
      * @dev See {IERC1155-safeTransferFrom}.
      */
     function safeTransferFrom(address _from, address _to, uint256 _id, uint256 _value, bytes memory _data) public {
-        address sender = _msgSender();
-        if (_from != sender && !isApprovedForAll(_from, sender)) {
-            revert ERC1155MissingApprovalForAll(sender, _from);
-        }
+        _allowanceCheck(_from);
         _safeTransferFrom(_from, _to, _id, _value, _data);
     }
 
@@ -131,10 +128,7 @@ abstract contract ERC1155 is DiscountedBalances, Context, ERC165, IERC1155, IERC
         uint256[] memory _values,
         bytes memory _data
     ) public virtual {
-        address sender = _msgSender();
-        if (_from != sender && !isApprovedForAll(_from, sender)) {
-            revert ERC1155MissingApprovalForAll(sender, _from);
-        }
+        _allowanceCheck(_from);
         _safeBatchTransferFrom(_from, _to, _ids, _values, _data);
     }
 
@@ -216,6 +210,16 @@ abstract contract ERC1155 is DiscountedBalances, Context, ERC165, IERC1155, IERC
         _acceptanceCheck(from, to, ids, values, data);
     }
 
+    /**
+     * @dev do the ERC1155 token the sender allowance check
+     */
+    function _allowanceCheck(address _from) internal view {
+        address sender = _msgSender();
+        if (_from != sender && !isApprovedForAll(_from, sender)) {
+            revert ERC1155MissingApprovalForAll(sender, _from);
+        }
+    }
+
     /**
      * @dev do the ERC1155 token acceptance check to the receiver
      */

src/hub/Hub.sol

@@ -273,7 +273,7 @@ contract Hub is Circles, TypeDefinitions, IHubErrors {
 
         // store the metadata digest for the avatar metadata
         if (_metadataDigest != bytes32(0)) {
-            nameRegistry.setMetadataDigest(msg.sender, _metadataDigest);
+            _setMetadataDigest(_metadataDigest);
         }
     }
 
@@ -287,16 +287,7 @@ contract Hub is Circles, TypeDefinitions, IHubErrors {
     function registerGroup(address _mint, string calldata _name, string calldata _symbol, bytes32 _metadataDigest)
         external
     {
-        _registerGroup(msg.sender, _mint, standardTreasury, _name, _symbol);
-
-        // for groups register possible custom name and symbol
-        nameRegistry.registerCustomName(msg.sender, _name);
-        nameRegistry.registerCustomSymbol(msg.sender, _symbol);
-
-        // store the IPFS CIDv0 digest for the group metadata
-        nameRegistry.setMetadataDigest(msg.sender, _metadataDigest);
-
-        emit RegisterGroup(msg.sender, _mint, standardTreasury, _name, _symbol);
+        registerCustomGroup(_mint, standardTreasury, _name, _symbol, _metadataDigest);
     }
 
     /**
@@ -313,15 +304,15 @@ contract Hub is Circles, TypeDefinitions, IHubErrors {
         string calldata _name,
         string calldata _symbol,
         bytes32 _metadataDigest
-    ) external {
+    ) public {
         _registerGroup(msg.sender, _mint, _treasury, _name, _symbol);
 
         // for groups register possible custom name and symbol
-        nameRegistry.registerCustomName(msg.sender, _name);
+        _registerCustomName(_name);
         nameRegistry.registerCustomSymbol(msg.sender, _symbol);
 
         // store the metadata digest for the group metadata
-        nameRegistry.setMetadataDigest(msg.sender, _metadataDigest);
+        _setMetadataDigest(_metadataDigest);
 
         emit RegisterGroup(msg.sender, _mint, _treasury, _name, _symbol);
     }
@@ -335,10 +326,10 @@ contract Hub is Circles, TypeDefinitions, IHubErrors {
         _insertAvatar(msg.sender);
 
         // for organizations, only register possible custom name
-        nameRegistry.registerCustomName(msg.sender, _name);
+        _registerCustomName(_name);
 
         // store the IPFS CIDv0 digest for the organization metadata
-        nameRegistry.setMetadataDigest(msg.sender, _metadataDigest);
+        _setMetadataDigest(_metadataDigest);
 
         emit RegisterOrganization(msg.sender, _name);
     }
@@ -1228,4 +1219,20 @@ contract Hub is Circles, TypeDefinitions, IHubErrors {
         // update the expiry; checks must be done by caller
         trustMarker.expiry = _expiry;
     }
+
+    /**
+     * @dev Calls nameRegistry to store the metadata digest.
+     * @param _metadataDigest sha256 metadata digest for the avatar metadata.
+     */
+    function _setMetadataDigest(bytes32 _metadataDigest) private {
+        nameRegistry.setMetadataDigest(msg.sender, _metadataDigest);
+    }
+
+    /**
+     * @dev Calls nameRegistry to register the custom name.
+     * @param _name immutable name of the group Circles or organization.
+     */
+    function _registerCustomName(string calldata _name) private {
+        nameRegistry.registerCustomName(msg.sender, _name);
+    }
 }

test/hub/MockDeployment.sol

@@ -14,6 +14,7 @@ import "../lift/MockERC20Lift.sol";
 import "./MockHub.sol";
 
 contract MockDeployment {
+    bool public IS_TEST = true;
     // State variables
 
     MockHub public hub;

test/hub/MockHub.sol

@@ -4,6 +4,7 @@ pragma solidity >=0.8.24;
 import "../../src/hub/Hub.sol";
 
 contract MockHub is Hub {
+    bool public IS_TEST = true;
     // Constructor
 
     constructor(uint256 _inflationDayZero, uint256 _bootstrapTime)

test/hub/MockPathTransferHub.sol

@@ -7,6 +7,7 @@ import "../../src/migration/IHub.sol";
 import "../../src/names/INameRegistry.sol";
 
 contract MockPathTransferHub is Hub {
+    bool public IS_TEST = true;
     // Constructor
 
     constructor(uint256 _inflationDayZero, uint256 _bootstrapTime)