fix: frozen tokens for null address

fnanni-0 · fnanni-0 · commit cd58dcf2cf4b · 2022-01-13T16:53:54.000-03:00
diff --git a/contracts/src/kleros-v1/KlerosV1Governor.sol b/contracts/src/kleros-v1/KlerosV1Governor.sol
@@ -139,7 +139,7 @@ contract KlerosV1Governor is IArbitrable, ITokenController {
             for (uint256 voteID = 0; voteID < votesLengths[round]; voteID++) {
                 (address account, , , ) = klerosLiquid.getVote(_disputeID, round, voteID);
                 require(account != address(0x0) || isDrawingForbidden, "Juror not drawn yet.");
-                frozenTokens[account] += tokensAtStakePerJuror[round];
+                if (account != address(0x0)) frozenTokens[account] += tokensAtStakePerJuror[round];
             }
             isDisputeNotified[_disputeID][round] = true;
         }

Original file line number	Diff line number	Diff line change
`@@ -139,7 +139,7 @@ contract KlerosV1Governor is IArbitrable, ITokenController {`
`139`	`139`	`for (uint256 voteID = 0; voteID < votesLengths[round]; voteID++) {`
`140`	`140`	`(address account, , , ) = klerosLiquid.getVote(_disputeID, round, voteID);`
`141`	`141`	`require(account != address(0x0) \|\| isDrawingForbidden, "Juror not drawn yet.");`
`142`		`- frozenTokens[account] += tokensAtStakePerJuror[round];`
	`142`	`+ if (account != address(0x0)) frozenTokens[account] += tokensAtStakePerJuror[round];`
`143`	`143`	`}`
`144`	`144`	`isDisputeNotified[_disputeID][round] = true;`
`145`	`145`	`}`