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This commit is contained in:
Greg Hysen 2018-12-03 17:19:58 -08:00
parent c040ad0850
commit 28a5ed6a9a
1 changed files with 3 additions and 11 deletions
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14
packages/contracts/contracts/extensions/CompliantForwarder/CompliantForwarder.sol
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@ -72,21 +72,13 @@ contract CompliantForwarder is ExchangeSelectors{
mstore(add(addressesToValidate_, offset), addressToValidate)
}
function toGlobalCalldataOffset(offset) -> globalOffset {
globalOffset := add(0x4, offset)
}
function toExchangeCalldataOffset(offset, orderParamIndex) -> exchangeOffset {
function exchangeCalldataload(offset) -> value {
// exchangeTxPtr at global level
// 0x20 for length offset into exchange TX
// 0x4 for function selector in exhcange TX
let exchangeTxPtr := calldataload(0x44)
exchangeOffset := add(0x4, add(exchangeTxPtr, add(0x24, offset)))
}
function exchangeCalldataload(offset) -> value {
value := calldataload(toExchangeCalldataOffset(offset, 0))
let exchangeOffset := add(0x4, add(exchangeTxPtr, add(0x24, offset)))
value := calldataload(exchangeOffset)
}
function appendMakerAddressFromOrder(orderParamIndex) {