move function

contracts/Challenge.sol

@@ -69,30 +69,8 @@ contract Challenge {
   // create challenge
   uint256 public lastChallengeId = 0;
 
+  // Emitted when a new challenge is created.
   event ChallengeCreate(uint256 challengeId);
-  function newChallengeTrusted(uint256 blockNumberN, bytes32 startState, bytes32 finalSystemState, uint256 stepCount) internal returns (uint256) {
-    uint256 challengeId = lastChallengeId;
-    Chal storage c = challenges[challengeId];
-    lastChallengeId += 1;
-
-    // the challenger arrives
-    c.challenger = msg.sender;
-
-    // the state is set
-    c.blockNumberN = blockNumberN;
-    // NOTE: if they disagree on the start, 0->1 will fail
-    c.assertedState[0] = startState;
-    c.defendedState[0] = startState;
-    c.assertedState[stepCount] = finalSystemState;
-
-    // init the binary search
-    c.L = 0;
-    c.R = stepCount;
-
-    // find me later
-    emit ChallengeCreate(challengeId);
-    return challengeId;
-  }
 
   // helper function to determine what nodes we need
   function CallWithTrieNodes(address target, bytes calldata dat, bytes[] calldata nodes) public {
@@ -180,6 +158,34 @@ contract Challenge {
     return newChallengeTrusted(blockNumberN, startState, finalSystemState, stepCount);
   }
 
+  function newChallengeTrusted(
+      uint256 blockNumberN, bytes32 startState, bytes32 finalSystemState, uint256 stepCount)
+    internal
+    returns (uint256)
+  {
+    uint256 challengeId = lastChallengeId;
+    Chal storage c = challenges[challengeId];
+    lastChallengeId += 1;
+
+    // the challenger arrives
+    c.challenger = msg.sender;
+
+    // the state is set
+    c.blockNumberN = blockNumberN;
+    // NOTE: if they disagree on the start, 0->1 will fail
+    c.assertedState[0] = startState;
+    c.defendedState[0] = startState;
+    c.assertedState[stepCount] = finalSystemState;
+
+    // init the binary search
+    c.L = 0;
+    c.R = stepCount;
+
+    // find me later
+    emit ChallengeCreate(challengeId);
+    return challengeId;
+  }
+
   // binary search
 
   function isSearching(uint256 challengeId) view public returns (bool) {
@@ -252,7 +258,7 @@ contract Challenge {
     // pay out bounty!!
     (bool sent, ) = c.challenger.call{value: address(this).balance}("");
     require(sent, "Failed to send Ether");
-    
+
     emit ChallengerWins(challengeId);
   }