[
  {
    "type": "function",
    "name": "DRAND_CHAIN_HASH",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "DRAND_DST",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "string",
        "internalType": "string"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "DRAND_GENESIS_TIME",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "DRAND_PERIOD",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "authenticateRound",
    "inputs": [
      {
        "name": "round",
        "type": "uint64",
        "internalType": "uint64"
      },
      {
        "name": "signature",
        "type": "bytes",
        "internalType": "bytes"
      }
    ],
    "outputs": [
      {
        "name": "randomness",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "derive",
    "inputs": [
      {
        "name": "domain",
        "type": "bytes32",
        "internalType": "bytes32"
      },
      {
        "name": "requestId",
        "type": "bytes32",
        "internalType": "bytes32"
      },
      {
        "name": "stateCommitment",
        "type": "bytes32",
        "internalType": "bytes32"
      },
      {
        "name": "round",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "roundAtOrAfter",
    "inputs": [
      {
        "name": "cutoff",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "outputs": [
      {
        "name": "round",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "pure"
  },
  {
    "type": "function",
    "name": "roundAuthenticatedAt",
    "inputs": [
      {
        "name": "round",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "outputs": [
      {
        "name": "timestamp",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "roundRandomness",
    "inputs": [
      {
        "name": "round",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "outputs": [
      {
        "name": "randomness",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "roundScheduledAt",
    "inputs": [
      {
        "name": "round",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "outputs": [
      {
        "name": "scheduledAt",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "pure"
  },
  {
    "type": "event",
    "name": "RoundAuthenticated",
    "inputs": [
      {
        "name": "round",
        "type": "uint64",
        "indexed": true,
        "internalType": "uint64"
      },
      {
        "name": "randomness",
        "type": "bytes32",
        "indexed": false,
        "internalType": "bytes32"
      }
    ],
    "anonymous": false
  },
  {
    "type": "error",
    "name": "BNAddFailed",
    "inputs": [
      {
        "name": "input",
        "type": "uint256[4]",
        "internalType": "uint256[4]"
      }
    ]
  },
  {
    "type": "error",
    "name": "InvalidDSTLength",
    "inputs": [
      {
        "name": "dst",
        "type": "bytes",
        "internalType": "bytes"
      }
    ]
  },
  {
    "type": "error",
    "name": "InvalidFieldElement",
    "inputs": [
      {
        "name": "x",
        "type": "uint256",
        "internalType": "uint256"
      }
    ]
  },
  {
    "type": "error",
    "name": "InvalidRound",
    "inputs": []
  },
  {
    "type": "error",
    "name": "InvalidSignature",
    "inputs": []
  },
  {
    "type": "error",
    "name": "MapToPointFailed",
    "inputs": [
      {
        "name": "noSqrt",
        "type": "uint256",
        "internalType": "uint256"
      }
    ]
  },
  {
    "type": "error",
    "name": "ModExpFailed",
    "inputs": [
      {
        "name": "base",
        "type": "uint256",
        "internalType": "uint256"
      },
      {
        "name": "exponent",
        "type": "uint256",
        "internalType": "uint256"
      },
      {
        "name": "modulus",
        "type": "uint256",
        "internalType": "uint256"
      }
    ]
  },
  {
    "type": "error",
    "name": "RandomnessUnavailable",
    "inputs": []
  },
  {
    "type": "error",
    "name": "RoundNotAvailable",
    "inputs": [
      {
        "name": "scheduledAt",
        "type": "uint64",
        "internalType": "uint64"
      }
    ]
  },
  {
    "type": "error",
    "name": "SafeCastOverflowedUintDowncast",
    "inputs": [
      {
        "name": "bits",
        "type": "uint8",
        "internalType": "uint8"
      },
      {
        "name": "value",
        "type": "uint256",
        "internalType": "uint256"
      }
    ]
  }
]