diff --git a/frontend/abi.js b/frontend/abi.js
index c703f66..9aa31b1 100644
--- a/frontend/abi.js
+++ b/frontend/abi.js
@@ -1,798 +1,356 @@
-myABI = [
-	{
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "_volMaxPoints",
-				"type": "uint256"
-			},
-			{
-				"internalType": "uint256",
-				"name": "_powDiff",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "nonpayable",
-		"type": "constructor"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "timestamp",
-				"type": "uint256"
-			}
-		],
-		"name": "CCTFStarted",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "uint256",
-				"name": "flagId",
-				"type": "uint256"
-			},
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "flagSigner",
-				"type": "address"
-			}
-		],
-		"name": "FlagAdded",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "uint256",
-				"name": "flagId",
-				"type": "uint256"
-			}
-		],
-		"name": "FlagRemoved",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "uint256",
-				"name": "flagId",
-				"type": "uint256"
-			},
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "solver",
-				"type": "address"
-			}
-		],
-		"name": "FlagSolved",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "player",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "enum CCTF9.PlayerStatus",
-				"name": "newStatus",
-				"type": "uint8"
-			}
-		],
-		"name": "PlayerStatusChanged",
-		"type": "event"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "bytes32",
-				"name": "_message",
-				"type": "bytes32"
-			},
-			{
-				"internalType": "bytes",
-				"name": "signature",
-				"type": "bytes"
-			},
-			{
-				"internalType": "uint256",
-				"name": "_submitFor",
-				"type": "uint256"
-			}
-		],
-		"name": "SubmitFlag",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TIME_DECAY_MAX",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "admin",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "endTime",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "flagCount",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"name": "flagList",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"name": "flags",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "signer",
-				"type": "address"
-			},
-			{
-				"internalType": "enum CCTF9.FlagType",
-				"name": "flagType",
-				"type": "uint8"
-			},
-			{
-				"internalType": "uint256",
-				"name": "solveCount",
-				"type": "uint256"
-			},
-			{
-				"internalType": "uint256",
-				"name": "points",
-				"type": "uint256"
-			},
-			{
-				"internalType": "uint256",
-				"name": "currentPoints",
-				"type": "uint256"
-			},
-			{
-				"internalType": "string",
-				"name": "skill_name",
-				"type": "string"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "_idx",
-				"type": "uint256"
-			},
-			{
-				"internalType": "uint256",
-				"name": "_count",
-				"type": "uint256"
-			}
-		],
-		"name": "getFlags",
-		"outputs": [
-			{
-				"components": [
-					{
-						"internalType": "address",
-						"name": "signer",
-						"type": "address"
-					},
-					{
-						"internalType": "enum CCTF9.FlagType",
-						"name": "flagType",
-						"type": "uint8"
-					},
-					{
-						"internalType": "uint256",
-						"name": "solveCount",
-						"type": "uint256"
-					},
-					{
-						"internalType": "uint256",
-						"name": "points",
-						"type": "uint256"
-					},
-					{
-						"internalType": "uint256",
-						"name": "currentPoints",
-						"type": "uint256"
-					},
-					{
-						"internalType": "string",
-						"name": "skill_name",
-						"type": "string"
-					}
-				],
-				"internalType": "struct CCTF9.Flag[]",
-				"name": "flagListRet",
-				"type": "tuple[]"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "getFlags",
-		"outputs": [
-			{
-				"components": [
-					{
-						"internalType": "address",
-						"name": "signer",
-						"type": "address"
-					},
-					{
-						"internalType": "enum CCTF9.FlagType",
-						"name": "flagType",
-						"type": "uint8"
-					},
-					{
-						"internalType": "uint256",
-						"name": "solveCount",
-						"type": "uint256"
-					},
-					{
-						"internalType": "uint256",
-						"name": "points",
-						"type": "uint256"
-					},
-					{
-						"internalType": "uint256",
-						"name": "currentPoints",
-						"type": "uint256"
-					},
-					{
-						"internalType": "string",
-						"name": "skill_name",
-						"type": "string"
-					}
-				],
-				"internalType": "struct CCTF9.Flag[]",
-				"name": "flagListRet",
-				"type": "tuple[]"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "_player",
-				"type": "address"
-			}
-		],
-		"name": "getPlayerPoints",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "_player",
-				"type": "address"
-			}
-		],
-		"name": "getPlayerStatus",
-		"outputs": [
-			{
-				"internalType": "enum CCTF9.PlayerStatus",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "_idx",
-				"type": "uint256"
-			},
-			{
-				"internalType": "uint256",
-				"name": "_count",
-				"type": "uint256"
-			}
-		],
-		"name": "getPlayers",
-		"outputs": [
-			{
-				"components": [
-					{
-						"internalType": "enum CCTF9.PlayerStatus",
-						"name": "status",
-						"type": "uint8"
-					},
-					{
-						"internalType": "uint256",
-						"name": "points",
-						"type": "uint256"
-					},
-					{
-						"internalType": "string",
-						"name": "name",
-						"type": "string"
-					},
-					{
-						"internalType": "uint256[2][]",
-						"name": "pointsPerFlag",
-						"type": "uint256[2][]"
-					}
-				],
-				"internalType": "struct CCTF9.Player[]",
-				"name": "playerListRet",
-				"type": "tuple[]"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "getPlayers",
-		"outputs": [
-			{
-				"components": [
-					{
-						"internalType": "enum CCTF9.PlayerStatus",
-						"name": "status",
-						"type": "uint8"
-					},
-					{
-						"internalType": "uint256",
-						"name": "points",
-						"type": "uint256"
-					},
-					{
-						"internalType": "string",
-						"name": "name",
-						"type": "string"
-					},
-					{
-						"internalType": "uint256[2][]",
-						"name": "pointsPerFlag",
-						"type": "uint256[2][]"
-					}
-				],
-				"internalType": "struct CCTF9.Player[]",
-				"name": "playerListRet",
-				"type": "tuple[]"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "getSuccessfulSubmissionCount",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "playerCount",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"name": "playerList",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"name": "players",
-		"outputs": [
-			{
-				"internalType": "enum CCTF9.PlayerStatus",
-				"name": "status",
-				"type": "uint8"
-			},
-			{
-				"internalType": "uint256",
-				"name": "points",
-				"type": "uint256"
-			},
-			{
-				"internalType": "string",
-				"name": "name",
-				"type": "string"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "powDiff",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "bytes32",
-				"name": "_ethSignedMessageHash",
-				"type": "bytes32"
-			},
-			{
-				"internalType": "bytes",
-				"name": "_signature",
-				"type": "bytes"
-			}
-		],
-		"name": "recoverSigner",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "pure",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "string",
-				"name": "_RTFM",
-				"type": "string"
-			},
-			{
-				"internalType": "string",
-				"name": "_name",
-				"type": "string"
-			}
-		],
-		"name": "register",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "_admin",
-				"type": "address"
-			}
-		],
-		"name": "setAdmin",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "_endTime",
-				"type": "uint256"
-			}
-		],
-		"name": "setCCTFEndTime",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "bool",
-				"name": "_paused",
-				"type": "bool"
-			}
-		],
-		"name": "setCCTFPaused",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "_startTime",
-				"type": "uint256"
-			}
-		],
-		"name": "setCCTFStartTime",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "_flagId",
-				"type": "uint256"
-			},
-			{
-				"internalType": "address",
-				"name": "_flagSigner",
-				"type": "address"
-			},
-			{
-				"internalType": "enum CCTF9.FlagType",
-				"name": "_flagType",
-				"type": "uint8"
-			},
-			{
-				"internalType": "uint256",
-				"name": "_points",
-				"type": "uint256"
-			},
-			{
-				"internalType": "string",
-				"name": "_skill",
-				"type": "string"
-			}
-		],
-		"name": "setFlag",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "player",
-				"type": "address"
-			},
-			{
-				"internalType": "enum CCTF9.PlayerStatus",
-				"name": "status",
-				"type": "uint8"
-			}
-		],
-		"name": "setPlayerStatus",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "_powDiff",
-				"type": "uint256"
-			}
-		],
-		"name": "setPowDiff",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "bytes",
-				"name": "sig",
-				"type": "bytes"
-			}
-		],
-		"name": "splitSignature",
-		"outputs": [
-			{
-				"internalType": "bytes32",
-				"name": "r",
-				"type": "bytes32"
-			},
-			{
-				"internalType": "bytes32",
-				"name": "s",
-				"type": "bytes32"
-			},
-			{
-				"internalType": "uint8",
-				"name": "v",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "pure",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "startTime",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "started",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "submission_success_count",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "volMaxPoints",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "volStart",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	}
-]
+myABI = [
+	{
+		"anonymous": false,
+		"inputs": [
+			{
+				"indexed": false,
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			},
+			{
+				"indexed": true,
+				"internalType": "uint256",
+				"name": "challengeID",
+				"type": "uint256"
+			}
+		],
+		"name": "ChallengeAddedOrUpdated",
+		"type": "event"
+	},
+	{
+		"anonymous": false,
+		"inputs": [
+			{
+				"indexed": false,
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			},
+			{
+				"indexed": true,
+				"internalType": "uint256",
+				"name": "challengeID",
+				"type": "uint256"
+			},
+			{
+				"indexed": true,
+				"internalType": "address",
+				"name": "solver",
+				"type": "address"
+			}
+		],
+		"name": "ChallengeSolved",
+		"type": "event"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			},
+			{
+				"internalType": "uint256",
+				"name": "challengeID",
+				"type": "uint256"
+			},
+			{
+				"internalType": "address",
+				"name": "obscuredFlag",
+				"type": "address"
+			},
+			{
+				"internalType": "uint256",
+				"name": "worth",
+				"type": "uint256"
+			},
+			{
+				"internalType": "uint256",
+				"name": "descriptionFingerprint",
+				"type": "uint256"
+			},
+			{
+				"internalType": "bool",
+				"name": "onlyFirstSolver",
+				"type": "bool"
+			},
+			{
+				"internalType": "string",
+				"name": "skill",
+				"type": "string"
+			}
+		],
+		"name": "addOrUpdateChallenge",
+		"outputs": [],
+		"stateMutability": "nonpayable",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "",
+				"type": "uint256"
+			}
+		],
+		"name": "contests",
+		"outputs": [
+			{
+				"internalType": "address",
+				"name": "admin",
+				"type": "address"
+			},
+			{
+				"internalType": "uint256",
+				"name": "deadline",
+				"type": "uint256"
+			},
+			{
+				"internalType": "string",
+				"name": "password",
+				"type": "string"
+			}
+		],
+		"stateMutability": "view",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			},
+			{
+				"internalType": "string",
+				"name": "password",
+				"type": "string"
+			}
+		],
+		"name": "createContest",
+		"outputs": [],
+		"stateMutability": "nonpayable",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			}
+		],
+		"name": "getContestDeadline",
+		"outputs": [
+			{
+				"internalType": "uint256",
+				"name": "",
+				"type": "uint256"
+			}
+		],
+		"stateMutability": "view",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			},
+			{
+				"internalType": "address",
+				"name": "player",
+				"type": "address"
+			}
+		],
+		"name": "getPlayerScore",
+		"outputs": [
+			{
+				"internalType": "uint256",
+				"name": "",
+				"type": "uint256"
+			}
+		],
+		"stateMutability": "view",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			},
+			{
+				"internalType": "address",
+				"name": "player",
+				"type": "address"
+			}
+		],
+		"name": "getPlayerStatus",
+		"outputs": [
+			{
+				"internalType": "enum CryptoCTFX.PlayerStatus",
+				"name": "",
+				"type": "uint8"
+			}
+		],
+		"stateMutability": "view",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "bytes32",
+				"name": "messageHash",
+				"type": "bytes32"
+			},
+			{
+				"internalType": "bytes",
+				"name": "signature",
+				"type": "bytes"
+			}
+		],
+		"name": "recoverSigner",
+		"outputs": [
+			{
+				"internalType": "address",
+				"name": "",
+				"type": "address"
+			}
+		],
+		"stateMutability": "pure",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			},
+			{
+				"internalType": "string",
+				"name": "password",
+				"type": "string"
+			}
+		],
+		"name": "register",
+		"outputs": [],
+		"stateMutability": "nonpayable",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			},
+			{
+				"internalType": "address",
+				"name": "newAdmin",
+				"type": "address"
+			}
+		],
+		"name": "setAdmin",
+		"outputs": [],
+		"stateMutability": "nonpayable",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			},
+			{
+				"internalType": "uint256",
+				"name": "deadline",
+				"type": "uint256"
+			}
+		],
+		"name": "setContestDeadline",
+		"outputs": [],
+		"stateMutability": "nonpayable",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			},
+			{
+				"internalType": "address",
+				"name": "player",
+				"type": "address"
+			},
+			{
+				"internalType": "enum CryptoCTFX.PlayerStatus",
+				"name": "status",
+				"type": "uint8"
+			}
+		],
+		"name": "setPlayerStatus",
+		"outputs": [],
+		"stateMutability": "nonpayable",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "bytes",
+				"name": "sig",
+				"type": "bytes"
+			}
+		],
+		"name": "splitSignature",
+		"outputs": [
+			{
+				"internalType": "bytes32",
+				"name": "r",
+				"type": "bytes32"
+			},
+			{
+				"internalType": "bytes32",
+				"name": "s",
+				"type": "bytes32"
+			},
+			{
+				"internalType": "uint8",
+				"name": "v",
+				"type": "uint8"
+			}
+		],
+		"stateMutability": "pure",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "contestID",
+				"type": "uint256"
+			},
+			{
+				"internalType": "uint256",
+				"name": "challengeID",
+				"type": "uint256"
+			},
+			{
+				"internalType": "bytes",
+				"name": "signature",
+				"type": "bytes"
+			}
+		],
+		"name": "submitFlag",
+		"outputs": [],
+		"stateMutability": "nonpayable",
+		"type": "function"
+	}
+]
\ No newline at end of file