allow offchain collection of partial evals

Author: kitounliu

contracts/zkdvrf.sol

@@ -208,7 +208,6 @@ contract zkdvrf is Ownable {
     // submit the final pseudorandom value which is computed by combining t partial evaluations offchain
     function submitRandom(IPseudoRand.PseudoRandom memory pseudo) public onlyOwner {
         require(roundToRandom[currentRoundNum].value == bytes32(0), "Answer for round already exists");
-        require(roundSubmissionCount[currentRoundNum] >= threshold, "Partial evaluation threshold not reached");
         require(IPseudoRand(pseudoRand).verifyPseudoRand(bytes(roundInput[currentRoundNum]), pseudo.proof, gpkVal), "Incorrect random submitted");
         bytes32 value = keccak256(abi.encodePacked(pseudo.proof.x, pseudo.proof.y));
         require(pseudo.value == value, "Incorrect pseudorandom value");

test/zkdvrf.spec.ts

@@ -338,10 +338,6 @@ describe('ZKDVRF on-chain tests', async () => {
             await expect(Zkdvrf.submitPartialEval(pEvals[0])).to.be.revertedWith('Already submitted for round')
         })
 
-        it('should not be able to generate random below threshold', async () => {
-            await expect(Zkdvrf.submitRandom(pseudoRandom)).to.be.revertedWith('Partial evaluation threshold not reached')
-        })
-
         it('all nodes should be able to submit partial eval', async () => {
             await Zkdvrf.connect(account2).submitPartialEval(pEvals[1])
             await Zkdvrf.connect(account3).submitPartialEval(pEvals[2])