fix: relayer fork handling

Makefile

@@ -17,11 +17,14 @@ bindings:
 	rm -rf $(BINDINGS_OUT_PATH)
 
 # Generate new bindings
-	@forge bind --root $(CONTRACTS_PATH) --crate-name $(BINDINGS_FOLDER) --select FullRelay --alloy --force
+	@forge bind --root $(CONTRACTS_PATH) --crate-name $(BINDINGS_FOLDER) --select "(FullRelay\$$)|(FullRelayWithVerify\$$)" --alloy --force
 
 # Move bindings to the correct location
 	@mv -f $(BINDINGS_OUT_PATH) $(CRATES_FOLDER)
 
+# undo changes to the Cargo.toml file
+	git checkout $(BINDINGS_CRATES_FOLDER)/Cargo.toml
+
 # Target for building the project
 build: bindings
 	@$(CARGO) build

contracts/src/relay/FullRelay.sol

@@ -49,11 +49,6 @@ contract FullRelay is IFullRelay {
         require(isHeaderValidLength(_genesisHeader), "Bad genesis block");
         bytes32 _genesisDigest = _genesisHeader.hash256();
 
-        require(
-            _periodStart & bytes32(0x0000000000000000000000000000000000000000000000000000000000ffffff) == bytes32(0),
-            "Period start hash does not have work. Hint: wrong byte order?"
-        );
-
         relayGenesis = _genesisDigest;
         bestKnownDigest = _genesisDigest;
         lastReorgCommonAncestor = _genesisDigest;

contracts/test/fullRelay/FullRelayConstructionTest.t.sol

@@ -31,11 +31,6 @@ contract FullRelayConstructionTest is FullRelayTestUtils {
         relay = new TestRelay("", genesisHeight, orphanDigestLe);
     }
 
-    function testPeriodStartWrongByteOrder() external {
-        vm.expectRevert(bytes("Period start hash does not have work. Hint: wrong byte order?"));
-        new TestRelay(genesisHex, genesisHeight, orphanDigestLe);
-    }
-
     function testStoresGenesisBlockInfo() external view {
         assertEq(relay.getRelayGenesis(), genesisDigestLe);