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-rw-r--r--packages/contracts/contracts/extensions/CompliantForwarder/CompliantForwarder.sol42
-rw-r--r--packages/contracts/test/extensions/compliant_forwarder.ts16
2 files changed, 50 insertions, 8 deletions
diff --git a/packages/contracts/contracts/extensions/CompliantForwarder/CompliantForwarder.sol b/packages/contracts/contracts/extensions/CompliantForwarder/CompliantForwarder.sol
index 7a4c8d2f6..b8ba43b15 100644
--- a/packages/contracts/contracts/extensions/CompliantForwarder/CompliantForwarder.sol
+++ b/packages/contracts/contracts/extensions/CompliantForwarder/CompliantForwarder.sol
@@ -31,6 +31,8 @@ contract CompliantForwarder {
IExchange internal EXCHANGE;
IERC721Token internal COMPLIANCE_TOKEN;
+ bytes4 constant internal EXCHANGE_FILL_ORDER_SELECTOR_2 = 0xb4be83d5;
+
constructor(address exchange, address complianceToken)
public
{
@@ -41,17 +43,43 @@ contract CompliantForwarder {
function executeTransaction(
uint256 salt,
address signerAddress,
- bytes signedFillOrderTransaction,
+ bytes signedExchangeTransaction,
bytes signature
)
- public
+ external
{
// Validate `signedFillOrderTransaction`
- bytes4 selector = signedFillOrderTransaction.readBytes4(0);
- if (selector != EXCHANGE_FILL_ORDER_SELECTOR) {
- revert("EXCHANGE_TRANSACTION_NOT_FILL_ORDER");
+ bytes4 selector = signedExchangeTransaction.readBytes4(0);
+ address makerAddress = 0x00;
+ assembly {
+ function getMakerAddress(orderPtr) -> makerAddress {
+ let orderOffset := calldataload(orderPtr)
+ makerAddress := calldataload(orderOffset)
+ }
+
+ switch selector
+ case 0xb4be83d500000000000000000000000000000000000000000000000000000000 {
+ let exchangeTxPtr := calldataload(0x44)
+
+ // Add 0x20 for length offset and 0x04 for selector offset
+ let orderPtrRelativeToExchangeTx := calldataload(add(0x4, add(exchangeTxPtr, 0x24))) // 0x60
+ let orderPtr := add(0x4,add(exchangeTxPtr, add(0x24, orderPtrRelativeToExchangeTx)))
+
+ makerAddress := calldataload(orderPtr)
+
+
+ //makerAddress := getMakerAddress(orderPtr)
+ }
+ default {
+ // revert(0, 100)
+ }
}
+ /*
+ if (selector != 0xb4be83d5) {
+ revert("EXCHANGE_TRANSACTION_NOT_FILL_ORDER");
+ }*/
+
// Taker must be compliant
require(
COMPLIANCE_TOKEN.balanceOf(signerAddress) > 0,
@@ -87,7 +115,7 @@ contract CompliantForwarder {
// Add 0x4 to a given offset to account for the fillOrder selector prepended to `signedFillOrderTransaction`.
// Add 0xc to the makerAddress since abi-encoded addresses are left padded with 12 bytes.
// Putting this together: makerAddress = 0x60 + 0x4 + 0xc = 0x70
- address makerAddress = signedFillOrderTransaction.readAddress(0x70);
+ //address makerAddress = signedExchangeTransaction.readAddress(0x70);
require(
COMPLIANCE_TOKEN.balanceOf(makerAddress) > 0,
"MAKER_UNVERIFIED"
@@ -97,7 +125,7 @@ contract CompliantForwarder {
EXCHANGE.executeTransaction(
salt,
signerAddress,
- signedFillOrderTransaction,
+ signedExchangeTransaction,
signature
);
}
diff --git a/packages/contracts/test/extensions/compliant_forwarder.ts b/packages/contracts/test/extensions/compliant_forwarder.ts
index c962d82ac..b916f54c9 100644
--- a/packages/contracts/test/extensions/compliant_forwarder.ts
+++ b/packages/contracts/test/extensions/compliant_forwarder.ts
@@ -26,6 +26,9 @@ import { TransactionFactory } from '../utils/transaction_factory';
import { ContractName, ERC20BalancesByOwner, SignedTransaction } from '../utils/types';
import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
+import { MethodAbi } from 'ethereum-types';
+import { AbiEncoder } from '@0x/utils';
+
chaiSetup.configure();
const expect = chai.expect;
const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
@@ -192,7 +195,18 @@ describe.only(ContractName.CompliantForwarder, () => {
beforeEach(async () => {
erc20Balances = await erc20Wrapper.getBalancesAsync();
});
- it('should transfer the correct amounts when maker and taker are compliant', async () => {
+ it.only('should transfer the correct amounts when maker and taker are compliant', async () => {
+
+
+ const method = new AbiEncoder.Method(compliantForwarderInstance.abi[0] as MethodAbi);
+ const args = [
+ compliantSignedFillOrderTx.salt,
+ compliantSignedFillOrderTx.signerAddress,
+ compliantSignedFillOrderTx.data,
+ compliantSignedFillOrderTx.signature
+ ];
+ console.log(method.encode(args, {annotate: true}));
+
await compliantForwarderInstance.executeTransaction.sendTransactionAsync(
compliantSignedFillOrderTx.salt,
compliantSignedFillOrderTx.signerAddress,