File: notional-wrapped-fcash/contracts/wfCashLogic.sol   #1

116           require(
117               msg.sender == address(NotionalV2) &&
118               // Only accept the fcash id that corresponds to the listed currency and maturity
119               _id == fCashID &&
120               // Protect against signed value underflows
121               int256(_value) > 0,
122               "Invalid"
123:          );
File: notional-wrapped-fcash/contracts/wfCashLogic.sol   #2

129           require(
130               ac.hasDebt == 0x00 &&
131               assets.length == 1 &&
132               EncodeDecode.encodeERC1155Id(
133                   assets[0].currencyId,
134                   assets[0].maturity,
135                   assets[0].assetType
136               ) == fCashID
137:          );
