Copy
120function validateCondition(Condition calldata _condition) internal pure returns (bool) {
121    bool valid = true;
122    if (_condition.method == EvaluationMethod.None) {
123        valid = (_condition.tokenAddress == address(0) &&
124            _condition.tokenId == 0 &&
125            _condition.threshold == 0 &&
126            _condition.maxCommits == 0 &&
127            _condition.length == 0);
128    } else {
129        if (_condition.tokenId != 0) {
130            valid = _condition.length != 0;
131            valid = valid && type(uint256).max - _condition.length >= _condition.tokenId;
132        }
133
134        if (_condition.method == EvaluationMethod.Threshold) {
135            valid =
136                valid &&
137                (_condition.tokenAddress != address(0) && _condition.maxCommits > 0 && _condition.threshold > 0);
138
139            if (_condition.tokenType != TokenType.MultiToken) {
140                // NonFungibleToken and FungibleToken should not have length and tokenId
141                valid = valid && _condition.length == 0 && _condition.tokenId == 0;
142            }
143        } else {
144            valid =
145                valid &&
146                (_condition.tokenAddress != address(0) &&
147                    _condition.maxCommits > 0 &&
148                    _condition.tokenType != TokenType.FungibleToken); // FungibleToken not allowed for SpecificToken
149
150            // SpecificToken with NonFungibleToken should not have threshold
151            if (_condition.tokenType == TokenType.NonFungibleToken) {
152                valid = valid && _condition.threshold == 0;
153            } else {
154                // SpecificToken with MultiToken should have threshold
155                valid = valid && _condition.threshold > 0;
156            }
157        }
158    }
159
160    return valid;
161}