crowetic/protocol
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add ETH pseudo-address when wrapping/unwrapping in Multiplex multihop (#230)

Browse Source 
* Add ETH pseudo-address when wrapping/unwrapping in Multiplex multihop

* Update changelog
This commit is contained in:
mzhu25 2021-05-05 22:29:24 -07:00 committed by GitHub
parent 1d6ca5f6b5
commit 1e6476ada7
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
packages/asset-swapper/CHANGELOG.json
View File

@ -5,6 +5,10 @@
{
"note": "Tweak compiler settings for smaller sampler bytecode",
"pr": 229
},
{
"note": "Fix Multiplex multihop encoding for ETH buys/sells",
"pr": 230
}
]
},

6
packages/asset-swapper/src/quote_consumers/exchange_proxy_swap_quote_consumer.ts
View File

@ -565,14 +565,17 @@ export class ExchangeProxySwapQuoteConsumer implements SwapQuoteConsumerBase {
private _encodeMultiplexMultiHopFillCalldata(quote: SwapQuote, opts: ExchangeProxyContractOpts): string {
const wrappedMultiHopCalls = [];
const tokens: string[] = [];
if (opts.isFromETH) {
wrappedMultiHopCalls.push({
selector: DUMMY_WETH_CONTRACT.getSelector('deposit'),
data: NULL_BYTES,
});
tokens.push(ETH_TOKEN_ADDRESS);
}
const [firstHopOrder, secondHopOrder] = quote.orders;
const intermediateToken = firstHopOrder.makerToken;
tokens.push(quote.takerToken, intermediateToken, quote.makerToken);
for (const order of [firstHopOrder, secondHopOrder]) {
switch (order.source) {
case ERC20BridgeSource.UniswapV2:
@ -607,11 +610,12 @@ export class ExchangeProxySwapQuoteConsumer implements SwapQuoteConsumerBase {
selector: DUMMY_WETH_CONTRACT.getSelector('withdraw'),
data: NULL_BYTES,
});
tokens.push(ETH_TOKEN_ADDRESS);
}
return this._exchangeProxy
.multiHopFill(
{
tokens: [quote.takerToken, intermediateToken, quote.makerToken],
tokens,
sellAmount: quote.worstCaseQuoteInfo.totalTakerAmount,
calls: wrappedMultiHopCalls,
},