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Looks up the memory location of makerAssetData/takerAssetData

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This commit is contained in:
Greg Hysen
2018-06-11 11:58:18 -07:00
committed by Amir Bandeali
parent 5910bec52e
commit 2f96cb257c
1 changed files with 2 additions and 0 deletions
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packages/contracts/src/contracts/current/protocol/Exchange/MixinWrapperFunctions.sol
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@@ -174,6 +174,7 @@ contract MixinWrapperFunctions is
mstore(add(dataAreaStart, mul(10, 0x20)), sub(dataAreaEnd, dataAreaStart))
// Calculate length of <order.makerAssetData>
sourceOffset := mload(add(order, 0x140)) // makerAssetData
arrayLenBytes := mload(sourceOffset)
sourceOffset := add(sourceOffset, 0x20)
arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)
@@ -193,6 +194,7 @@ contract MixinWrapperFunctions is
mstore(add(dataAreaStart, mul(11, 0x20)), sub(dataAreaEnd, dataAreaStart))
// Calculate length of <order.takerAssetData>
sourceOffset := mload(add(order, 0x160)) // takerAssetData
arrayLenBytes := mload(sourceOffset)
sourceOffset := add(sourceOffset, 0x20)
arrayLenWords := div(add(arrayLenBytes, 0x1F), 0x20)