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- @0x/asset-swapper@16.49.3
Updated CHANGELOGS & MD docs
2022-02-10 12:12:08 +00:00 · 2022-02-10 12:12:05 +00:00 · 2022-02-10 12:55:30 +01:00 · 2022-02-10 11:16:24 +01:00 · 2022-02-10 10:43:44 +01:00 · 2022-02-04 10:37:38 +10:00
16 changed files with 730 additions and 315 deletions
--- a/packages/asset-swapper/CHANGELOG.json
+++ b/packages/asset-swapper/CHANGELOG.json
@@ -1,4 +1,86 @@
 [
+    {
+        "version": "16.49.3",
+        "changes": [
+            {
+                "note": "Fix `slippage` inconsistency when recalculated in exchange proxy quote consumer",
+                "pr": 412
+            },
+            {
+                "note": "Fix incorrect output scaling when input is less than desired amount, update fast-abi",
+                "pr": 401
+            },
+            {
+                "note": "Improve Uniswap V3 gas schedule",
+                "pr": 397
+            },
+            {
+                "note": "Fix add Native as VIP and use Path to compare all sources vs vip only",
+                "pr": 413
+            }
+        ],
+        "timestamp": 1644495123
+    },
+    {
+        "version": "16.49.2",
+        "changes": [
+            {
+                "note": "Fix ABI encoding error with two hop buys due to applying slippage to uint(-1) values",
+                "pr": 410
+            }
+        ],
+        "timestamp": 1643653482
+    },
+    {
+        "version": "16.49.1",
+        "changes": [
+            {
+                "note": "Fix WorstCaseQuoteInfo encoding bug",
+                "pr": 402
+            }
+        ],
+        "timestamp": 1643613597
+    },
+    {
+        "version": "16.49.0",
+        "changes": [
+            {
+                "note": "Add more curve pools",
+                "pr": 409
+            }
+        ],
+        "timestamp": 1643407900
+    },
+    {
+        "version": "16.48.0",
+        "changes": [
+            {
+                "note": "Use `MIM` as an intermediate asset on `Fantom`",
+                "pr": 405
+            }
+        ],
+        "timestamp": 1643148019
+    },
+    {
+        "version": "16.47.0",
+        "changes": [
+            {
+                "note": "Adding support for Synapse on all networks",
+                "pr": 400
+            }
+        ],
+        "timestamp": 1643136662
+    },
+    {
+        "version": "16.46.0",
+        "changes": [
+            {
+                "note": "Enable `Curve` ETH/CVX pool",
+                "pr": 394
+            }
+        ],
+        "timestamp": 1641863395
+    },
    {
        "version": "16.45.2",
        "changes": [
--- a/packages/asset-swapper/CHANGELOG.md
+++ b/packages/asset-swapper/CHANGELOG.md
@@ -5,6 +5,37 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v16.49.3 - _February 10, 2022_
+
+    * Fix `slippage` inconsistency when recalculated in exchange proxy quote consumer (#412)
+    * Fix incorrect output scaling when input is less than desired amount, update fast-abi (#401)
+    * Improve Uniswap V3 gas schedule (#397)
+    * Fix add Native as VIP and use Path to compare all sources vs vip only (#413)
+
+## v16.49.2 - _January 31, 2022_
+
+    * Fix ABI encoding error with two hop buys due to applying slippage to uint(-1) values (#410)
+
+## v16.49.1 - _January 31, 2022_
+
+    * Fix WorstCaseQuoteInfo encoding bug (#402)
+
+## v16.49.0 - _January 28, 2022_
+
+    * Add more curve pools (#409)
+
+## v16.48.0 - _January 25, 2022_
+
+    * Use `MIM` as an intermediate asset on `Fantom` (#405)
+
+## v16.47.0 - _January 25, 2022_
+
+    * Adding support for Synapse on all networks (#400)
+
+## v16.46.0 - _January 11, 2022_
+
+    * Enable `Curve` ETH/CVX pool (#394)
+
 ## v16.45.2 - _January 10, 2022_

    * Handle 0 output samples and negative adjusted rate native orders in routing (#387)
--- a/packages/asset-swapper/contracts/src/UniswapV3Sampler.sol
+++ b/packages/asset-swapper/contracts/src/UniswapV3Sampler.sol
@@ -22,17 +22,43 @@ pragma experimental ABIEncoderV2;

 import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";

-interface IUniswapV3Quoter {
+interface IUniswapV3QuoterV2 {
    function factory()
        external
        view
        returns (IUniswapV3Factory factory);
+
+    // @notice Returns the amount out received for a given exact input swap without executing the swap
+    // @param path The path of the swap, i.e. each token pair and the pool fee
+    // @param amountIn The amount of the first token to swap
+    // @return amountOut The amount of the last token that would be received
+    // @return sqrtPriceX96AfterList List of the sqrt price after the swap for each pool in the path
+    // @return initializedTicksCrossedList List of the initialized ticks that the swap crossed for each pool in the path
+    // @return gasEstimate The estimate of the gas that the swap consumes
    function quoteExactInput(bytes memory path, uint256 amountIn)
        external
-        returns (uint256 amountOut);
+        returns (
+            uint256 amountOut,
+            uint160[] memory sqrtPriceX96AfterList,
+            uint32[] memory initializedTicksCrossedList,
+            uint256 gasEstimate
+        );
+
+    // @notice Returns the amount in required for a given exact output swap without executing the swap
+    // @param path The path of the swap, i.e. each token pair and the pool fee. Path must be provided in reverse order
+    // @param amountOut The amount of the last token to receive
+    // @return amountIn The amount of first token required to be paid
+    // @return sqrtPriceX96AfterList List of the sqrt price after the swap for each pool in the path
+    // @return initializedTicksCrossedList List of the initialized ticks that the swap crossed for each pool in the path
+    // @return gasEstimate The estimate of the gas that the swap consumes
    function quoteExactOutput(bytes memory path, uint256 amountOut)
        external
-        returns (uint256 amountIn);
+        returns (
+            uint256 amountIn,
+            uint160[] memory sqrtPriceX96AfterList,
+            uint32[] memory initializedTicksCrossedList,
+            uint256 gasEstimate
+        );
 }

 interface IUniswapV3Factory {
@@ -61,14 +87,15 @@ contract UniswapV3Sampler
    /// @return makerTokenAmounts Maker amounts bought at each taker token
    ///         amount.
    function sampleSellsFromUniswapV3(
-        IUniswapV3Quoter quoter,
+        IUniswapV3QuoterV2 quoter,
        IERC20TokenV06[] memory path,
        uint256[] memory takerTokenAmounts
    )
        public
        returns (
            bytes[] memory uniswapPaths,
-            uint256[] memory makerTokenAmounts
+            uint256[] memory makerTokenAmounts,
+            uint256[] memory uniswapGasUsed
        )
    {
        IUniswapV3Pool[][] memory poolPaths =
@@ -76,31 +103,39 @@ contract UniswapV3Sampler

        makerTokenAmounts = new uint256[](takerTokenAmounts.length);
        uniswapPaths = new bytes[](takerTokenAmounts.length);
+        uniswapGasUsed = new uint256[](takerTokenAmounts.length);

        for (uint256 i = 0; i < takerTokenAmounts.length; ++i) {
            // Pick the best result from all the paths.
-            bytes memory topUniswapPath;
            uint256 topBuyAmount = 0;
            for (uint256 j = 0; j < poolPaths.length; ++j) {
                bytes memory uniswapPath = _toUniswapPath(path, poolPaths[j]);
-                try
-                    quoter.quoteExactInput
-                        { gas: QUOTE_GAS }
-                        (uniswapPath, takerTokenAmounts[i])
-                        returns (uint256 buyAmount)
+                try quoter.quoteExactInput
+                    { gas: QUOTE_GAS }
+                    (uniswapPath, takerTokenAmounts[i])
+                    returns (
+                        uint256 buyAmount,
+                        uint160[] memory, /* sqrtPriceX96AfterList */
+                        uint32[] memory, /* initializedTicksCrossedList */
+                        uint256 gasUsed
+                    )
                {
                    if (topBuyAmount <= buyAmount) {
                        topBuyAmount = buyAmount;
-                        topUniswapPath = uniswapPath;
+                        uniswapPaths[i] = uniswapPath;
+                        uniswapGasUsed[i] = gasUsed;
                    }
-                } catch { }
+                } catch {}
            }
-            // Break early if we can't complete the buys.
+            // Break early if we can't complete the sells.
            if (topBuyAmount == 0) {
+                // HACK(kimpers): To avoid too many local variables, paths and gas used is set directly in the loop
+                // then reset if no valid valid quote was found
+                uniswapPaths[i] = "";
+                uniswapGasUsed[i] = 0;
                break;
            }
            makerTokenAmounts[i] = topBuyAmount;
-            uniswapPaths[i] = topUniswapPath;
        }
    }

@@ -112,14 +147,15 @@ contract UniswapV3Sampler
    /// @return takerTokenAmounts Taker amounts sold at each maker token
    ///         amount.
    function sampleBuysFromUniswapV3(
-        IUniswapV3Quoter quoter,
+        IUniswapV3QuoterV2 quoter,
        IERC20TokenV06[] memory path,
        uint256[] memory makerTokenAmounts
    )
        public
        returns (
            bytes[] memory uniswapPaths,
-            uint256[] memory takerTokenAmounts
+            uint256[] memory takerTokenAmounts,
+            uint256[] memory uniswapGasUsed
        )
    {
        IUniswapV3Pool[][] memory poolPaths =
@@ -128,11 +164,12 @@ contract UniswapV3Sampler

        takerTokenAmounts = new uint256[](makerTokenAmounts.length);
        uniswapPaths = new bytes[](makerTokenAmounts.length);
+        uniswapGasUsed = new uint256[](makerTokenAmounts.length);

        for (uint256 i = 0; i < makerTokenAmounts.length; ++i) {
+            uint256 topSellAmount;
+
            // Pick the best result from all the paths.
-            bytes memory topUniswapPath;
-            uint256 topSellAmount = 0;
            for (uint256 j = 0; j < poolPaths.length; ++j) {
                // quoter requires path to be reversed for buys.
                bytes memory uniswapPath = _toUniswapPath(
@@ -143,21 +180,30 @@ contract UniswapV3Sampler
                    quoter.quoteExactOutput
                        { gas: QUOTE_GAS }
                        (uniswapPath, makerTokenAmounts[i])
-                        returns (uint256 sellAmount)
+                        returns (
+                            uint256 sellAmount,
+                            uint160[] memory, /* sqrtPriceX96AfterList */
+                            uint32[] memory, /* initializedTicksCrossedList */
+                            uint256 gasUsed
+                        )
                {
                    if (topSellAmount == 0 || topSellAmount >= sellAmount) {
                        topSellAmount = sellAmount;
                        // But the output path should still be encoded for sells.
-                        topUniswapPath = _toUniswapPath(path, poolPaths[j]);
+                        uniswapPaths[i] = _toUniswapPath(path, poolPaths[j]);
+                        uniswapGasUsed[i] = gasUsed;
                    }
                } catch {}
            }
            // Break early if we can't complete the buys.
            if (topSellAmount == 0) {
+                // HACK(kimpers): To avoid too many local variables, paths and gas used is set directly in the loop
+                // then reset if no valid valid quote was found
+                uniswapPaths[i] = "";
+                uniswapGasUsed[i] = 0;
                break;
            }
            takerTokenAmounts[i] = topSellAmount;
-            uniswapPaths[i] = topUniswapPath;
        }
    }

@@ -236,6 +282,7 @@ contract UniswapV3Sampler

    function _reverseTokenPath(IERC20TokenV06[] memory tokenPath)
        private
+        pure
        returns (IERC20TokenV06[] memory reversed)
    {
        reversed = new IERC20TokenV06[](tokenPath.length);
@@ -246,6 +293,7 @@ contract UniswapV3Sampler

    function _reversePoolPath(IUniswapV3Pool[] memory poolPath)
        private
+        pure
        returns (IUniswapV3Pool[] memory reversed)
    {
        reversed = new IUniswapV3Pool[](poolPath.length);
--- a/packages/asset-swapper/package.json
+++ b/packages/asset-swapper/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/asset-swapper",
-    "version": "16.45.2",
+    "version": "16.49.3",
    "engines": {
        "node": ">=6.12"
    },
@@ -86,7 +86,7 @@
        "decimal.js": "^10.2.0",
        "ethereum-types": "^3.6.0",
        "ethereumjs-util": "^7.0.10",
-        "fast-abi": "^0.0.2",
+        "fast-abi": "^0.0.4",
        "graphql": "^15.4.0",
        "graphql-request": "^3.4.0",
        "heartbeats": "^5.0.1",
--- a/packages/asset-swapper/src/quote_consumers/exchange_proxy_swap_quote_consumer.ts
+++ b/packages/asset-swapper/src/quote_consumers/exchange_proxy_swap_quote_consumer.ts
@@ -691,7 +691,7 @@ export class ExchangeProxySwapQuoteConsumer implements SwapQuoteConsumerBase {

 function slipNonNativeOrders(quote: MarketSellSwapQuote | MarketBuySwapQuote): OptimizedMarketOrder[] {
    const slippage = getMaxQuoteSlippageRate(quote);
-    if (!slippage) {
+    if (slippage === 0) {
        return quote.orders;
    }
    return quote.orders.map(o => {
@@ -701,25 +701,20 @@ function slipNonNativeOrders(quote: MarketSellSwapQuote | MarketBuySwapQuote): O
        return {
            ...o,
            ...(quote.type === MarketOperation.Sell
-                ? { makerAmount: o.makerAmount.times(1 - slippage).integerValue(BigNumber.ROUND_DOWN) }
-                : { takerAmount: o.takerAmount.times(1 + slippage).integerValue(BigNumber.ROUND_UP) }),
+                ? {
+                      makerAmount: o.makerAmount.eq(MAX_UINT256)
+                          ? MAX_UINT256
+                          : o.makerAmount.times(1 - slippage).integerValue(BigNumber.ROUND_DOWN),
+                  }
+                : {
+                      takerAmount: o.takerAmount.eq(MAX_UINT256)
+                          ? MAX_UINT256
+                          : o.takerAmount.times(1 + slippage).integerValue(BigNumber.ROUND_UP),
+                  }),
        };
    });
 }

 function getMaxQuoteSlippageRate(quote: MarketBuySwapQuote | MarketSellSwapQuote): number {
-    if (quote.type === MarketOperation.Buy) {
-        // (worstCaseTaker - bestCaseTaker) / bestCaseTaker
-        // where worstCaseTaker >= bestCaseTaker
-        return quote.worstCaseQuoteInfo.takerAmount
-            .minus(quote.bestCaseQuoteInfo.takerAmount)
-            .div(quote.bestCaseQuoteInfo.takerAmount)
-            .toNumber();
-    }
-    // (bestCaseMaker - worstCaseMaker) / bestCaseMaker
-    // where bestCaseMaker >= worstCaseMaker
-    return quote.bestCaseQuoteInfo.makerAmount
-        .minus(quote.worstCaseQuoteInfo.makerAmount)
-        .div(quote.bestCaseQuoteInfo.makerAmount)
-        .toNumber();
+    return quote.worstCaseQuoteInfo.slippage;
 }
--- a/packages/asset-swapper/src/swap_quoter.ts
+++ b/packages/asset-swapper/src/swap_quoter.ts
@@ -578,8 +578,8 @@ function calculateQuoteInfo(
    });

    return {
-        bestCaseQuoteInfo: fillResultsToQuoteInfo(bestCaseFillResult),
-        worstCaseQuoteInfo: fillResultsToQuoteInfo(worstCaseFillResult),
+        bestCaseQuoteInfo: fillResultsToQuoteInfo(bestCaseFillResult, 0),
+        worstCaseQuoteInfo: fillResultsToQuoteInfo(worstCaseFillResult, slippage),
        sourceBreakdown: getSwapQuoteOrdersBreakdown(bestCaseFillResult.fillAmountBySource),
    };
 }
@@ -599,29 +599,33 @@ function calculateTwoHopQuoteInfo(
            secondHopSource: _.pick(secondHopFill, 'source', 'fillData'),
        }),
    ).toNumber();
+    const isSell = operation === MarketOperation.Sell;
+
    return {
        bestCaseQuoteInfo: {
-            makerAmount: operation === MarketOperation.Sell ? secondHopFill.output : secondHopFill.input,
-            takerAmount: operation === MarketOperation.Sell ? firstHopFill.input : firstHopFill.output,
-            totalTakerAmount: operation === MarketOperation.Sell ? firstHopFill.input : firstHopFill.output,
+            makerAmount: isSell ? secondHopFill.output : secondHopFill.input,
+            takerAmount: isSell ? firstHopFill.input : firstHopFill.output,
+            totalTakerAmount: isSell ? firstHopFill.input : firstHopFill.output,
            feeTakerTokenAmount: constants.ZERO_AMOUNT,
            protocolFeeInWeiAmount: constants.ZERO_AMOUNT,
            gas,
+            slippage: 0,
        },
        // TODO jacob consolidate this with quote simulation worstCase
        worstCaseQuoteInfo: {
-            makerAmount: MarketOperation.Sell
+            makerAmount: isSell
                ? secondHopOrder.makerAmount.times(1 - slippage).integerValue()
                : secondHopOrder.makerAmount,
-            takerAmount: MarketOperation.Sell
+            takerAmount: isSell
                ? firstHopOrder.takerAmount
-                : firstHopOrder.takerAmount.times(1 + slippage).integerValue(),
-            totalTakerAmount: MarketOperation.Sell
+                : firstHopOrder.takerAmount.times(1 + slippage).integerValue(BigNumber.ROUND_UP),
+            totalTakerAmount: isSell
                ? firstHopOrder.takerAmount
-                : firstHopOrder.takerAmount.times(1 + slippage).integerValue(),
+                : firstHopOrder.takerAmount.times(1 + slippage).integerValue(BigNumber.ROUND_UP),
            feeTakerTokenAmount: constants.ZERO_AMOUNT,
            protocolFeeInWeiAmount: constants.ZERO_AMOUNT,
            gas,
+            slippage,
        },
        sourceBreakdown: {
            [ERC20BridgeSource.MultiHop]: {
@@ -647,7 +651,7 @@ function getSwapQuoteOrdersBreakdown(fillAmountBySource: { [source: string]: Big
    return breakdown;
 }

-function fillResultsToQuoteInfo(fr: QuoteFillResult): SwapQuoteInfo {
+function fillResultsToQuoteInfo(fr: QuoteFillResult, slippage: number): SwapQuoteInfo {
    return {
        makerAmount: fr.totalMakerAssetAmount,
        takerAmount: fr.takerAssetAmount,
@@ -655,6 +659,7 @@ function fillResultsToQuoteInfo(fr: QuoteFillResult): SwapQuoteInfo {
        feeTakerTokenAmount: fr.takerFeeTakerAssetAmount,
        protocolFeeInWeiAmount: fr.protocolFeeAmount,
        gas: fr.gas,
+        slippage,
    };
 }

--- a/packages/asset-swapper/src/types.ts
+++ b/packages/asset-swapper/src/types.ts
@@ -208,6 +208,7 @@ export type SwapQuote = MarketBuySwapQuote | MarketSellSwapQuote;
 * makerTokenAmount: The amount of makerAsset that will be acquired through the swap.
 * protocolFeeInWeiAmount: The amount of ETH to pay (in WEI) as protocol fee to perform the swap for desired asset.
 * gas: Amount of estimated gas needed to fill the quote.
+ * slippage: Amount of slippage to allow for.
 */
 export interface SwapQuoteInfo {
    feeTakerTokenAmount: BigNumber;
@@ -216,6 +217,7 @@ export interface SwapQuoteInfo {
    makerAmount: BigNumber;
    protocolFeeInWeiAmount: BigNumber;
    gas: number;
+    slippage: number;
 }

 /**
--- a/packages/asset-swapper/src/utils/market_operation_utils/bridge_source_utils.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/bridge_source_utils.ts
@@ -14,6 +14,7 @@ import {
    CURVE_AVALANCHE_INFOS,
    CURVE_FANTOM_INFOS,
    CURVE_MAINNET_INFOS,
+    CURVE_OPTIMISM_INFOS,
    CURVE_POLYGON_INFOS,
    CURVE_V2_AVALANCHE_INFOS,
    CURVE_V2_FANTOM_INFOS,
@@ -49,6 +50,12 @@ import {
    SPOOKYSWAP_ROUTER_BY_CHAIN_ID,
    SUSHISWAP_ROUTER_BY_CHAIN_ID,
    SWERVE_MAINNET_INFOS,
+    SYNAPSE_AVALANCHE_INFOS,
+    SYNAPSE_BSC_INFOS,
+    SYNAPSE_FANTOM_INFOS,
+    SYNAPSE_MAINNET_INFOS,
+    SYNAPSE_OPTIMISM_INFOS,
+    SYNAPSE_POLYGON_INFOS,
    TRADER_JOE_ROUTER_BY_CHAIN_ID,
    UBESWAP_ROUTER_BY_CHAIN_ID,
    UNISWAPV2_ROUTER_BY_CHAIN_ID,
@@ -159,6 +166,15 @@ export function getCurveInfosForPair(chainId: ChainId, takerToken: string, maker
                            [makerToken, takerToken].filter(v => c.metaTokens?.includes(v)).length > 0),
                ),
            );
+        case ChainId.Optimism:
+            return Object.values(CURVE_OPTIMISM_INFOS).filter(c =>
+                [makerToken, takerToken].every(
+                    t =>
+                        (c.tokens.includes(t) && c.metaTokens === undefined) ||
+                        (c.tokens.includes(t) &&
+                            [makerToken, takerToken].filter(v => c.metaTokens?.includes(v)).length > 0),
+                ),
+            );
        default:
            return [];
    }
@@ -247,6 +263,67 @@ export function getNerveInfosForPair(chainId: ChainId, takerToken: string, maker
    );
 }

+export function getSynapseInfosForPair(chainId: ChainId, takerToken: string, makerToken: string): CurveInfo[] {
+    switch (chainId) {
+        case ChainId.Mainnet:
+            return Object.values(SYNAPSE_MAINNET_INFOS).filter(c =>
+                [makerToken, takerToken].every(
+                    t =>
+                        (c.tokens.includes(t) && c.metaTokens === undefined) ||
+                        (c.tokens.includes(t) &&
+                            [makerToken, takerToken].filter(v => c.metaTokens?.includes(v)).length > 0),
+                ),
+            );
+        case ChainId.Optimism:
+            return Object.values(SYNAPSE_OPTIMISM_INFOS).filter(c =>
+                [makerToken, takerToken].every(
+                    t =>
+                        (c.tokens.includes(t) && c.metaTokens === undefined) ||
+                        (c.tokens.includes(t) &&
+                            [makerToken, takerToken].filter(v => c.metaTokens?.includes(v)).length > 0),
+                ),
+            );
+        case ChainId.BSC:
+            return Object.values(SYNAPSE_BSC_INFOS).filter(c =>
+                [makerToken, takerToken].every(
+                    t =>
+                        (c.tokens.includes(t) && c.metaTokens === undefined) ||
+                        (c.tokens.includes(t) &&
+                            [makerToken, takerToken].filter(v => c.metaTokens?.includes(v)).length > 0),
+                ),
+            );
+        case ChainId.Polygon:
+            return Object.values(SYNAPSE_POLYGON_INFOS).filter(c =>
+                [makerToken, takerToken].every(
+                    t =>
+                        (c.tokens.includes(t) && c.metaTokens === undefined) ||
+                        (c.tokens.includes(t) &&
+                            [makerToken, takerToken].filter(v => c.metaTokens?.includes(v)).length > 0),
+                ),
+            );
+        case ChainId.Fantom:
+            return Object.values(SYNAPSE_FANTOM_INFOS).filter(c =>
+                [makerToken, takerToken].every(
+                    t =>
+                        (c.tokens.includes(t) && c.metaTokens === undefined) ||
+                        (c.tokens.includes(t) &&
+                            [makerToken, takerToken].filter(v => c.metaTokens?.includes(v)).length > 0),
+                ),
+            );
+        case ChainId.Avalanche:
+            return Object.values(SYNAPSE_AVALANCHE_INFOS).filter(c =>
+                [makerToken, takerToken].every(
+                    t =>
+                        (c.tokens.includes(t) && c.metaTokens === undefined) ||
+                        (c.tokens.includes(t) &&
+                            [makerToken, takerToken].filter(v => c.metaTokens?.includes(v)).length > 0),
+                ),
+            );
+        default:
+            return [];
+    }
+}
+
 export function getFirebirdOneSwapInfosForPair(chainId: ChainId, takerToken: string, makerToken: string): CurveInfo[] {
    if (chainId === ChainId.BSC) {
        return Object.values(FIREBIRDONESWAP_BSC_INFOS).filter(c =>
@@ -406,6 +483,7 @@ export function getCurveLikeInfosForPair(
        | ERC20BridgeSource.Swerve
        | ERC20BridgeSource.SnowSwap
        | ERC20BridgeSource.Nerve
+        | ERC20BridgeSource.Synapse
        | ERC20BridgeSource.Belt
        | ERC20BridgeSource.Ellipsis
        | ERC20BridgeSource.Smoothy
@@ -432,6 +510,9 @@ export function getCurveLikeInfosForPair(
        case ERC20BridgeSource.Nerve:
            pools = getNerveInfosForPair(chainId, takerToken, makerToken);
            break;
+        case ERC20BridgeSource.Synapse:
+            pools = getSynapseInfosForPair(chainId, takerToken, makerToken);
+            break;
        case ERC20BridgeSource.Belt:
            pools = getBeltInfosForPair(chainId, takerToken, makerToken);
            break;
--- a/packages/asset-swapper/src/utils/market_operation_utils/constants.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/constants.ts
@@ -2,6 +2,7 @@ import { ChainId, getContractAddressesForChainOrThrow } from '@0x/contract-addre
 import { FillQuoteTransformerOrderType } from '@0x/protocol-utils';
 import { BigNumber } from '@0x/utils';
 import { formatBytes32String } from '@ethersproject/strings';
+import * as _ from 'lodash';

 import { TokenAdjacencyGraphBuilder } from '../token_adjacency_graph_builder';

@@ -17,7 +18,9 @@ import {
    ERC20BridgeSource,
    FeeSchedule,
    FillData,
+    FinalUniswapV3FillData,
    GetMarketOrdersOpts,
+    isFinalUniswapV3FillData,
    KyberSamplerOpts,
    LidoInfo,
    LiquidityProviderFillData,
@@ -104,6 +107,7 @@ export const SELL_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.UniswapV3,
            ERC20BridgeSource.CurveV2,
            ERC20BridgeSource.ShibaSwap,
+            ERC20BridgeSource.Synapse,
            // TODO: enable after FQT has been redeployed on Ethereum mainnet
            // ERC20BridgeSource.AaveV2,
            // ERC20BridgeSource.Compound,
@@ -130,6 +134,7 @@ export const SELL_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.Mooniswap,
            ERC20BridgeSource.MultiHop,
            ERC20BridgeSource.Nerve,
+            ERC20BridgeSource.Synapse,
            ERC20BridgeSource.PancakeSwap,
            ERC20BridgeSource.PancakeSwapV2,
            ERC20BridgeSource.SushiSwap,
@@ -167,6 +172,7 @@ export const SELL_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.IronSwap,
            ERC20BridgeSource.AaveV2,
            ERC20BridgeSource.UniswapV3,
+            ERC20BridgeSource.Synapse,
        ]),
        [ChainId.Avalanche]: new SourceFilters([
            ERC20BridgeSource.MultiHop,
@@ -177,6 +183,7 @@ export const SELL_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.CurveV2,
            ERC20BridgeSource.KyberDmm,
            ERC20BridgeSource.AaveV2,
+            ERC20BridgeSource.Synapse,
        ]),
        [ChainId.Fantom]: new SourceFilters([
            ERC20BridgeSource.MultiHop,
@@ -188,13 +195,20 @@ export const SELL_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.SpiritSwap,
            ERC20BridgeSource.SpookySwap,
            ERC20BridgeSource.SushiSwap,
+            ERC20BridgeSource.Synapse,
        ]),
        [ChainId.Celo]: new SourceFilters([
            ERC20BridgeSource.UbeSwap,
            ERC20BridgeSource.SushiSwap,
            ERC20BridgeSource.MultiHop,
        ]),
-        [ChainId.Optimism]: new SourceFilters([ERC20BridgeSource.UniswapV3]),
+        [ChainId.Optimism]: new SourceFilters([
+            ERC20BridgeSource.UniswapV3,
+            ERC20BridgeSource.Synapse,
+            ERC20BridgeSource.Curve,
+            ERC20BridgeSource.CurveV2,
+            ERC20BridgeSource.MultiHop,
+        ]),
    },
    new SourceFilters([]),
 );
@@ -237,6 +251,7 @@ export const BUY_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.UniswapV3,
            ERC20BridgeSource.CurveV2,
            ERC20BridgeSource.ShibaSwap,
+            ERC20BridgeSource.Synapse,
            // TODO: enable after FQT has been redeployed on Ethereum mainnet
            // ERC20BridgeSource.AaveV2,
            // ERC20BridgeSource.Compound,
@@ -277,6 +292,7 @@ export const BUY_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.JetSwap,
            ERC20BridgeSource.ACryptos,
            ERC20BridgeSource.KyberDmm,
+            ERC20BridgeSource.Synapse,
        ]),
        [ChainId.Polygon]: new SourceFilters([
            ERC20BridgeSource.SushiSwap,
@@ -300,6 +316,7 @@ export const BUY_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.IronSwap,
            ERC20BridgeSource.AaveV2,
            ERC20BridgeSource.UniswapV3,
+            ERC20BridgeSource.Synapse,
        ]),
        [ChainId.Avalanche]: new SourceFilters([
            ERC20BridgeSource.MultiHop,
@@ -310,6 +327,7 @@ export const BUY_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.CurveV2,
            ERC20BridgeSource.KyberDmm,
            ERC20BridgeSource.AaveV2,
+            ERC20BridgeSource.Synapse,
        ]),
        [ChainId.Fantom]: new SourceFilters([
            ERC20BridgeSource.MultiHop,
@@ -321,13 +339,20 @@ export const BUY_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.SpiritSwap,
            ERC20BridgeSource.SpookySwap,
            ERC20BridgeSource.SushiSwap,
+            ERC20BridgeSource.Synapse,
        ]),
        [ChainId.Celo]: new SourceFilters([
            ERC20BridgeSource.UbeSwap,
            ERC20BridgeSource.SushiSwap,
            ERC20BridgeSource.MultiHop,
        ]),
-        [ChainId.Optimism]: new SourceFilters([ERC20BridgeSource.UniswapV3]),
+        [ChainId.Optimism]: new SourceFilters([
+            ERC20BridgeSource.UniswapV3,
+            ERC20BridgeSource.Synapse,
+            ERC20BridgeSource.Curve,
+            ERC20BridgeSource.CurveV2,
+            ERC20BridgeSource.MultiHop,
+        ]),
    },
    new SourceFilters([]),
 );
@@ -462,6 +487,15 @@ export const MAINNET_TOKENS = {
    CRV: '0xd533a949740bb3306d119cc777fa900ba034cd52',
    MIM: '0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3',
    EURT: '0xc581b735a1688071a1746c968e0798d642ede491',
+    // Synapse ecosystem
+    nUSD: '0x1b84765de8b7566e4ceaf4d0fd3c5af52d3dde4f',
+    CVX: '0x4e3fbd56cd56c3e72c1403e103b45db9da5b9d2b',
+    UST_WORMHOLE: '0xa693b19d2931d498c5b318df961919bb4aee87a5',
+    RAI: '0x03ab458634910aad20ef5f1c8ee96f1d6ac54919',
+    DOLA: '0x865377367054516e17014ccded1e7d814edc9ce4',
+    OUSD: '0x2a8e1e676ec238d8a992307b495b45b3feaa5e86',
+    agEUR: '0x1a7e4e63778b4f12a199c062f3efdd288afcbce8',
+    ibEUR: '0x96e61422b6a9ba0e068b6c5add4ffabc6a4aae27',
 };

 export const BSC_TOKENS = {
@@ -478,6 +512,7 @@ export const BSC_TOKENS = {
    BTCB: '0x7130d2a12b9bcbfae4f2634d864a1ee1ce3ead9c',
    renBTC: '0xfce146bf3146100cfe5db4129cf6c82b0ef4ad8c',
    pBTC: '0xed28a457a5a76596ac48d87c0f577020f6ea1c4c',
+    nUSD: '0x23b891e5c62e0955ae2bd185990103928ab817b3',
 };

 export const POLYGON_TOKENS = {
@@ -495,6 +530,7 @@ export const POLYGON_TOKENS = {
    DFYN: '0xc168e40227e4ebd8c1cae80f7a55a4f0e6d66c97',
    BANANA: '0x5d47baba0d66083c52009271faf3f50dcc01023c',
    WEXPOLY: '0x4c4bf319237d98a30a929a96112effa8da3510eb',
+    nUSD: '0xb6c473756050de474286bed418b77aeac39b02af',
 };

 export const AVALANCHE_TOKENS = {
@@ -502,11 +538,18 @@ export const AVALANCHE_TOKENS = {
    WETH: '0x49d5c2bdffac6ce2bfdb6640f4f80f226bc10bab',
    WBTC: '0x50b7545627a5162f82a992c33b87adc75187b218',
    DAI: '0xd586e7f844cea2f87f50152665bcbc2c279d8d70',
+    // bridged USDC
    USDC: '0xa7d7079b0fead91f3e65f86e8915cb59c1a4c664',
+    // native USDC on Avalanche
+    nUSDC: '0xb97ef9ef8734c71904d8002f8b6bc66dd9c48a6e',
    USDT: '0xc7198437980c041c805a1edcba50c1ce5db95118',
    aDAI: '0x47afa96cdc9fab46904a55a6ad4bf6660b53c38a',
    aUSDC: '0x46a51127c3ce23fb7ab1de06226147f446e4a857',
    aUSDT: '0x532e6537fea298397212f09a61e03311686f548e',
+    nETH: '0x19e1ae0ee35c0404f835521146206595d37981ae',
+    nUSD: '0xcfc37a6ab183dd4aed08c204d1c2773c0b1bdf46',
+    aWETH: '0x53f7c5869a859f0aec3d334ee8b4cf01e3492f21',
+    MIM: '0x130966628846bfd36ff31a822705796e8cb8c18d',
 };

 export const CELO_TOKENS = {
@@ -537,6 +580,13 @@ export const FANTOM_TOKENS = {
    fUSDT: '0x049d68029688eabf473097a2fc38ef61633a3c7a',
    WBTC: '0x321162cd933e2be498cd2267a90534a804051b11',
    renBTC: '0xdbf31df14b66535af65aac99c32e9ea844e14501',
+    MIM: '0x82f0b8b456c1a451378467398982d4834b6829c1',
+    nUSD: '0xed2a7edd7413021d440b09d654f3b87712abab66',
+    nETH: '0x67c10c397dd0ba417329543c1a40eb48aaa7cd00',
+    gfUSDT: '0x940f41f0ec9ba1a34cf001cc03347ac092f5f6b5',
+    gUSDC: '0xe578c856933d8e1082740bf7661e379aa2a30b26',
+    gDAI: '0x07e6332dd090d287d3489245038daf987955dcfb',
+    FRAX: '0xdc301622e621166bd8e82f2ca0a26c13ad0be355',
 };

 export const OPTIMISM_TOKENS = {
@@ -545,6 +595,8 @@ export const OPTIMISM_TOKENS = {
    USDT: '0x94b008aa00579c1307b0ef2c499ad98a8ce58e58',
    DAI: '0xda10009cbd5d07dd0cecc66161fc93d7c9000da1',
    WBTC: '0x68f180fcce6836688e9084f035309e29bf0a2095',
+    nETH: '0x809dc529f07651bd43a172e8db6f4a7a0d771036',
+    sWETH: '0x121ab82b49b2bc4c7901ca46b8277962b4350204',
 };

 export const CURVE_POOLS = {
@@ -592,6 +644,16 @@ export const CURVE_POOLS = {
    mim: '0x5a6a4d54456819380173272a5e8e9b9904bdf41b',
    eurt: '0xfd5db7463a3ab53fd211b4af195c5bccc1a03890',
    ethcrv: '0x8301ae4fc9c624d1d396cbdaa1ed877821d7c511',
+    ethcvx: '0xb576491f1e6e5e62f1d8f26062ee822b40b0e0d4',
+    mimust: '0x55a8a39bc9694714e2874c1ce77aa1e599461e18',
+    usttri_wormhole: '0xceaf7747579696a2f0bb206a14210e3c9e6fb269',
+    fei_tri: '0x06cb22615ba53e60d67bf6c341a0fd5e718e1655',
+    rai_tri: '0x618788357d0ebd8a37e763adab3bc575d54c2c7d',
+    DOLA_tri: '0xaa5a67c256e27a5d80712c51971408db3370927d',
+    OUSD_tri: '0x87650d7bbfc3a9f10587d7778206671719d9910d',
+    d3pool: '0xbaaa1f5dba42c3389bdbc2c9d2de134f5cd0dc89',
+    triEURpool: '0xb9446c4ef5ebe66268da6700d26f96273de3d571',
+    ibEURsEUR: '0x19b080fe1ffa0553469d20ca36219f17fcf03859',
 };

 export const CURVE_V2_POOLS = {
@@ -605,12 +667,13 @@ export const CURVE_POLYGON_POOLS = {
 };

 export const CURVE_V2_POLYGON_POOLS = {
-    atricrypto: '0x3fcd5de6a9fc8a99995c406c77dda3ed7e406f81',
    atricrypto3: '0x1d8b86e3d88cdb2d34688e87e72f388cb541b7c8',
 };

 export const CURVE_AVALANCHE_POOLS = {
    aave: '0x7f90122bf0700f9e7e1f688fe926940e8839f353',
+    mim: '0xaea2e71b631fa93683bcf256a8689dfa0e094fcd',
+    USDC: '0x3a43a5851a3e3e0e25a3c1089670269786be1577',
 };

 export const CURVE_V2_AVALANCHE_POOLS = {
@@ -621,12 +684,19 @@ export const CURVE_FANTOM_POOLS = {
    fUSDT: '0x92d5ebf3593a92888c25c0abef126583d4b5312e',
    twoPool: '0x27e611fd27b276acbd5ffd632e5eaebec9761e40',
    ren: '0x3ef6a01a0f81d6046290f3e2a8c5b843e738e604',
+    tri_v2: '0x2dd7c9371965472e5a5fd28fbe165007c61439e1',
+    geist: '0x0fa949783947bf6c1b171db13aeacbb488845b3f',
+    FRAX_twoPool: '0x7a656b342e14f745e2b164890e88017e27ae7320',
 };

 export const CURVE_V2_FANTOM_POOLS = {
    tricrypto: '0x3a1659ddcf2339be3aea159ca010979fb49155ff',
 };

+export const CURVE_OPTIMISM_POOLS = {
+    tri: '0x1337bedc9d22ecbe766df105c9623922a27963ec',
+};
+
 export const SWERVE_POOLS = {
    y: '0x329239599afb305da0a2ec69c58f8a6697f9f88d',
 };
@@ -661,6 +731,37 @@ export const NERVE_POOLS = {
    threePool: '0x1b3771a66ee31180906972580ade9b81afc5fcdc',
 };

+export const SYNAPSE_MAINNET_POOLS = {
+    nUSDLP: '0x1116898dda4015ed8ddefb84b6e8bc24528af2d8',
+};
+
+export const SYNAPSE_OPTIMISM_POOLS = {
+    nETHLP: '0xe27bff97ce92c3e1ff7aa9f86781fdd6d48f5ee9',
+};
+
+export const SYNAPSE_BSC_POOLS = {
+    nUSDLP: '0x28ec0b36f0819ecb5005cab836f4ed5a2eca4d13',
+};
+
+export const SYNAPSE_POLYGON_POOLS = {
+    nUSDLP: '0x85fcd7dd0a1e1a9fcd5fd886ed522de8221c3ee5',
+};
+
+export const SYNAPSE_FANTOM_POOLS = {
+    nUSDLP: '0x2913e812cf0dcca30fb28e6cac3d2dcff4497688',
+    nETHLP: '0x8d9ba570d6cb60c7e3e0f31343efe75ab8e65fb1',
+};
+
+export const SYNAPSE_AVALANCHE_POOLS = {
+    nUSDLP: '0xed2a7edd7413021d440b09d654f3b87712abab66',
+    nETHLP: '0x77a7e60555bc18b4be44c181b2575eee46212d44',
+};
+
+export const SYNAPSE_ARBITRUM_POOLS = {
+    nUSDLP: '0x0db3fe3b770c95a0b99d1ed6f2627933466c0dd8',
+    nETHLP: '0xd70a52248e546a3b260849386410c7170c7bd1e9',
+};
+
 export const BELT_POOLS = {
    vPool: '0xf16d312d119c13dd27fd0dc814b0bcdcaaa62dfd',
 };
@@ -718,6 +819,7 @@ export const DEFAULT_INTERMEDIATE_TOKENS_BY_CHAIN_ID = valueByChainId<string[]>(
            POLYGON_TOKENS.DAI,
            POLYGON_TOKENS.USDT,
            POLYGON_TOKENS.WBTC,
+            POLYGON_TOKENS.nUSD,
        ],
        [ChainId.Avalanche]: [
            AVALANCHE_TOKENS.WAVAX,
@@ -725,10 +827,28 @@ export const DEFAULT_INTERMEDIATE_TOKENS_BY_CHAIN_ID = valueByChainId<string[]>(
            AVALANCHE_TOKENS.DAI,
            AVALANCHE_TOKENS.USDT,
            AVALANCHE_TOKENS.USDC,
+            AVALANCHE_TOKENS.nUSD,
+            AVALANCHE_TOKENS.nETH,
+            AVALANCHE_TOKENS.aWETH,
+        ],
+        [ChainId.Fantom]: [
+            FANTOM_TOKENS.WFTM,
+            FANTOM_TOKENS.WETH,
+            FANTOM_TOKENS.DAI,
+            FANTOM_TOKENS.USDC,
+            FANTOM_TOKENS.nUSD,
+            FANTOM_TOKENS.nETH,
+            FANTOM_TOKENS.MIM,
        ],
-        [ChainId.Fantom]: [FANTOM_TOKENS.WFTM, FANTOM_TOKENS.WETH, FANTOM_TOKENS.DAI, FANTOM_TOKENS.USDC],
        [ChainId.Celo]: [CELO_TOKENS.WCELO, CELO_TOKENS.mCUSD, CELO_TOKENS.WETH, CELO_TOKENS.amCUSD, CELO_TOKENS.WBTC],
-        [ChainId.Optimism]: [OPTIMISM_TOKENS.WETH, OPTIMISM_TOKENS.DAI, OPTIMISM_TOKENS.USDC],
+        [ChainId.Optimism]: [
+            OPTIMISM_TOKENS.WETH,
+            OPTIMISM_TOKENS.DAI,
+            OPTIMISM_TOKENS.USDC,
+            OPTIMISM_TOKENS.USDT,
+            OPTIMISM_TOKENS.nETH,
+            OPTIMISM_TOKENS.sWETH,
+        ],
    },
    [],
 );
@@ -761,7 +881,14 @@ export const DEFAULT_TOKEN_ADJACENCY_GRAPH_BY_CHAIN_ID = valueByChainId<TokenAdj
        }).build(),
        [ChainId.Avalanche]: new TokenAdjacencyGraphBuilder({
            default: DEFAULT_INTERMEDIATE_TOKENS_BY_CHAIN_ID[ChainId.Avalanche],
-        }).build(),
+        })
+            .tap(builder => {
+                // Synape nETH/aWETH pool
+                builder
+                    .add(AVALANCHE_TOKENS.aWETH, AVALANCHE_TOKENS.nETH)
+                    .add(AVALANCHE_TOKENS.nETH, AVALANCHE_TOKENS.aWETH);
+            })
+            .build(),
        [ChainId.Fantom]: new TokenAdjacencyGraphBuilder({
            default: DEFAULT_INTERMEDIATE_TOKENS_BY_CHAIN_ID[ChainId.Fantom],
        }).build(),
@@ -802,6 +929,7 @@ const CURVE_TRI_POOL_MAINNET_TOKENS = [MAINNET_TOKENS.DAI, MAINNET_TOKENS.USDC,
 const CURVE_TRI_BTC_POOL_TOKEN = [MAINNET_TOKENS.RenBTC, MAINNET_TOKENS.WBTC, MAINNET_TOKENS.sBTC];
 const CURVE_POLYGON_ATRICRYPTO_UNDERLYING_TOKENS = [POLYGON_TOKENS.DAI, POLYGON_TOKENS.USDC, POLYGON_TOKENS.USDT];
 const CURVE_POLYGON_ATRICRYPTO_TOKENS = [POLYGON_TOKENS.amDAI, POLYGON_TOKENS.amUSDC, POLYGON_TOKENS.amUSDT];
+const CURVE_FANTOM_TWO_POOL_TOKENS = [FANTOM_TOKENS.DAI, FANTOM_TOKENS.USDC];

 const createCurveExchangePool = (info: { tokens: string[]; pool: string; gasSchedule: number }) => ({
    exchangeFunctionSelector: CurveFunctionSelectors.exchange,
@@ -843,6 +971,16 @@ const createCurveMetaTriBtcPool = (info: { tokens: string[]; pool: string; gasSc
    gasSchedule: info.gasSchedule,
 });

+const createCurveMetaTwoPoolFantom = (info: { tokens: string[]; pool: string; gasSchedule: number }) => ({
+    exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying,
+    sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_underlying,
+    buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+    tokens: [...info.tokens, ...CURVE_FANTOM_TWO_POOL_TOKENS],
+    metaTokens: info.tokens,
+    poolAddress: info.pool,
+    gasSchedule: info.gasSchedule,
+});
+
 const createCurveExchangeV2Pool = (info: { tokens: string[]; pool: string; gasSchedule: number }) => ({
    exchangeFunctionSelector: CurveFunctionSelectors.exchange_v2,
    sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_v2,
@@ -1073,6 +1211,62 @@ export const CURVE_MAINNET_INFOS: { [name: string]: CurveInfo } = {
        sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_uint256,
        exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying_uint256,
    },
+    [CURVE_POOLS.ethcvx]: {
+        ...createCurveExchangePool({
+            // This pool uses ETH
+            tokens: [MAINNET_TOKENS.WETH, MAINNET_TOKENS.CVX],
+            pool: CURVE_POOLS.ethcvx,
+            gasSchedule: 350e3,
+        }),
+        // This pool has a custom get_dy and exchange selector with uint256
+        sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_uint256,
+        exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying_uint256,
+    },
+    [CURVE_POOLS.mimust]: createCurveExchangePool({
+        tokens: [MAINNET_TOKENS.MIM, MAINNET_TOKENS.UST],
+        pool: CURVE_POOLS.mimust,
+        gasSchedule: 105e3,
+    }),
+    [CURVE_POOLS.usttri_wormhole]: createCurveMetaTriPool({
+        tokens: [MAINNET_TOKENS.UST_WORMHOLE],
+        pool: CURVE_POOLS.usttri_wormhole,
+        gasSchedule: 340e3,
+    }),
+    [CURVE_POOLS.fei_tri]: createCurveMetaTriPool({
+        tokens: [MAINNET_TOKENS.FEI],
+        pool: CURVE_POOLS.fei_tri,
+        gasSchedule: 340e3,
+    }),
+    [CURVE_POOLS.rai_tri]: createCurveMetaTriPool({
+        tokens: [MAINNET_TOKENS.RAI],
+        pool: CURVE_POOLS.rai_tri,
+        gasSchedule: 340e3,
+    }),
+    [CURVE_POOLS.DOLA_tri]: createCurveMetaTriPool({
+        tokens: [MAINNET_TOKENS.DOLA],
+        pool: CURVE_POOLS.DOLA_tri,
+        gasSchedule: 340e3,
+    }),
+    [CURVE_POOLS.OUSD_tri]: createCurveMetaTriPool({
+        tokens: [MAINNET_TOKENS.OUSD],
+        pool: CURVE_POOLS.OUSD_tri,
+        gasSchedule: 340e3,
+    }),
+    [CURVE_POOLS.d3pool]: createCurveExchangePool({
+        tokens: [MAINNET_TOKENS.FRAX, MAINNET_TOKENS.FEI, MAINNET_TOKENS.alUSD],
+        pool: CURVE_POOLS.d3pool,
+        gasSchedule: 176e3,
+    }),
+    [CURVE_POOLS.triEURpool]: createCurveExchangePool({
+        tokens: [MAINNET_TOKENS.agEUR, MAINNET_TOKENS.EURT, MAINNET_TOKENS.EURS],
+        pool: CURVE_POOLS.triEURpool,
+        gasSchedule: 176e3,
+    }),
+    [CURVE_POOLS.ibEURsEUR]: createCurveExchangePool({
+        tokens: [MAINNET_TOKENS.ibEUR, MAINNET_TOKENS.sEUR],
+        pool: CURVE_POOLS.ibEURsEUR,
+        gasSchedule: 176e3,
+    }),
 };

 export const CURVE_V2_MAINNET_INFOS: { [name: string]: CurveInfo } = {
@@ -1107,11 +1301,6 @@ export const CURVE_POLYGON_INFOS: { [name: string]: CurveInfo } = {
 };

 export const CURVE_V2_POLYGON_INFOS: { [name: string]: CurveInfo } = {
-    [CURVE_V2_POLYGON_POOLS.atricrypto]: createCurveV2MetaTriPool({
-        tokens: [POLYGON_TOKENS.WBTC, POLYGON_TOKENS.WETH],
-        pool: CURVE_V2_POLYGON_POOLS.atricrypto,
-        gasSchedule: 300e3,
-    }),
    [CURVE_V2_POLYGON_POOLS.atricrypto3]: createCurveV2MetaTriPool({
        tokens: [POLYGON_TOKENS.WBTC, POLYGON_TOKENS.WETH],
        pool: CURVE_V2_POLYGON_POOLS.atricrypto3,
@@ -1130,6 +1319,16 @@ export const CURVE_AVALANCHE_INFOS: { [name: string]: CurveInfo } = {
        pool: CURVE_AVALANCHE_POOLS.aave,
        gasSchedule: 150e3,
    }),
+    [CURVE_AVALANCHE_POOLS.mim]: createCurveExchangePool({
+        tokens: [AVALANCHE_TOKENS.MIM, AVALANCHE_TOKENS.USDT, AVALANCHE_TOKENS.USDC],
+        pool: CURVE_AVALANCHE_POOLS.mim,
+        gasSchedule: 150e3,
+    }),
+    [CURVE_AVALANCHE_POOLS.USDC]: createCurveExchangePool({
+        tokens: [AVALANCHE_TOKENS.USDC, AVALANCHE_TOKENS.nUSDC],
+        pool: CURVE_AVALANCHE_POOLS.USDC,
+        gasSchedule: 150e3,
+    }),
 };

 export const CURVE_V2_AVALANCHE_INFOS: { [name: string]: CurveInfo } = {
@@ -1167,6 +1366,26 @@ export const CURVE_FANTOM_INFOS: { [name: string]: CurveInfo } = {
        pool: CURVE_FANTOM_POOLS.fUSDT,
        gasSchedule: 587e3,
    }),
+    [CURVE_FANTOM_POOLS.tri_v2]: createCurveExchangePool({
+        tokens: [FANTOM_TOKENS.MIM, FANTOM_TOKENS.fUSDT, FANTOM_TOKENS.USDC],
+        pool: CURVE_FANTOM_POOLS.tri_v2,
+        gasSchedule: 176e3,
+    }),
+    ['geist_exchangeunderlying']: createCurveExchangeUnderlyingPool({
+        tokens: [FANTOM_TOKENS.DAI, FANTOM_TOKENS.USDC, FANTOM_TOKENS.fUSDT],
+        pool: CURVE_FANTOM_POOLS.geist,
+        gasSchedule: 850e3,
+    }),
+    ['geist_exchange']: createCurveExchangePool({
+        tokens: [FANTOM_TOKENS.gDAI, FANTOM_TOKENS.gUSDC, FANTOM_TOKENS.gfUSDT],
+        pool: CURVE_FANTOM_POOLS.geist,
+        gasSchedule: 150e3,
+    }),
+    [CURVE_FANTOM_POOLS.FRAX_twoPool]: createCurveMetaTwoPoolFantom({
+        tokens: [FANTOM_TOKENS.FRAX],
+        pool: CURVE_FANTOM_POOLS.FRAX_twoPool,
+        gasSchedule: 411e3,
+    }),
 };

 export const CURVE_V2_FANTOM_INFOS: { [name: string]: CurveInfo } = {
@@ -1177,6 +1396,14 @@ export const CURVE_V2_FANTOM_INFOS: { [name: string]: CurveInfo } = {
    }),
 };

+export const CURVE_OPTIMISM_INFOS: { [name: string]: CurveInfo } = {
+    [CURVE_OPTIMISM_POOLS.tri]: createCurveExchangePool({
+        tokens: [OPTIMISM_TOKENS.DAI, OPTIMISM_TOKENS.USDC, OPTIMISM_TOKENS.USDT],
+        pool: CURVE_OPTIMISM_POOLS.tri,
+        gasSchedule: 150e3,
+    }),
+};
+
 export const SWERVE_MAINNET_INFOS: { [name: string]: CurveInfo } = {
    [SWERVE_POOLS.y]: createCurveExchangePool({
        tokens: [MAINNET_TOKENS.DAI, MAINNET_TOKENS.USDC, MAINNET_TOKENS.USDT, MAINNET_TOKENS.TUSD],
@@ -1330,6 +1557,87 @@ export const NERVE_BSC_INFOS: { [name: string]: CurveInfo } = {
    },
 };

+export const SYNAPSE_BSC_INFOS: { [name: string]: CurveInfo } = {
+    [SYNAPSE_BSC_POOLS.nUSDLP]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.swap,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.calculateSwap,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: SYNAPSE_BSC_POOLS.nUSDLP,
+        tokens: [BSC_TOKENS.nUSD, BSC_TOKENS.BUSD, BSC_TOKENS.USDC, BSC_TOKENS.USDT],
+        metaTokens: undefined,
+        gasSchedule: 140e3,
+    },
+};
+
+export const SYNAPSE_FANTOM_INFOS: { [name: string]: CurveInfo } = {
+    [SYNAPSE_FANTOM_POOLS.nUSDLP]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.swap,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.calculateSwap,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: SYNAPSE_FANTOM_POOLS.nUSDLP,
+        tokens: [FANTOM_TOKENS.nUSD, FANTOM_TOKENS.MIM, FANTOM_TOKENS.USDC, FANTOM_TOKENS.fUSDT],
+        metaTokens: undefined,
+        gasSchedule: 140e3,
+    },
+};
+
+export const SYNAPSE_MAINNET_INFOS: { [name: string]: CurveInfo } = {
+    [SYNAPSE_MAINNET_POOLS.nUSDLP]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.swap,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.calculateSwap,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: SYNAPSE_MAINNET_POOLS.nUSDLP,
+        tokens: [MAINNET_TOKENS.DAI, MAINNET_TOKENS.USDC, MAINNET_TOKENS.USDT],
+        metaTokens: undefined,
+        gasSchedule: 140e3,
+    },
+};
+
+export const SYNAPSE_OPTIMISM_INFOS: { [name: string]: CurveInfo } = {
+    [SYNAPSE_OPTIMISM_POOLS.nETHLP]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.swap,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.calculateSwap,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: SYNAPSE_OPTIMISM_POOLS.nETHLP,
+        tokens: [OPTIMISM_TOKENS.nETH, OPTIMISM_TOKENS.sWETH],
+        metaTokens: undefined,
+        gasSchedule: 140e3,
+    },
+};
+
+export const SYNAPSE_POLYGON_INFOS: { [name: string]: CurveInfo } = {
+    [SYNAPSE_POLYGON_POOLS.nUSDLP]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.swap,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.calculateSwap,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: SYNAPSE_POLYGON_POOLS.nUSDLP,
+        tokens: [POLYGON_TOKENS.nUSD, POLYGON_TOKENS.DAI, POLYGON_TOKENS.USDC, POLYGON_TOKENS.USDT],
+        metaTokens: undefined,
+        gasSchedule: 140e3,
+    },
+};
+
+export const SYNAPSE_AVALANCHE_INFOS: { [name: string]: CurveInfo } = {
+    [SYNAPSE_AVALANCHE_POOLS.nUSDLP]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.swap,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.calculateSwap,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: SYNAPSE_AVALANCHE_POOLS.nUSDLP,
+        tokens: [AVALANCHE_TOKENS.nUSD, AVALANCHE_TOKENS.DAI, AVALANCHE_TOKENS.USDC, AVALANCHE_TOKENS.USDT],
+        metaTokens: undefined,
+        gasSchedule: 140e3,
+    },
+    [SYNAPSE_AVALANCHE_POOLS.nETHLP]: {
+        exchangeFunctionSelector: CurveFunctionSelectors.swap,
+        sellQuoteFunctionSelector: CurveFunctionSelectors.calculateSwap,
+        buyQuoteFunctionSelector: CurveFunctionSelectors.None,
+        poolAddress: SYNAPSE_AVALANCHE_POOLS.nETHLP,
+        tokens: [AVALANCHE_TOKENS.nETH, AVALANCHE_TOKENS.aWETH],
+        metaTokens: undefined,
+        gasSchedule: 140e3,
+    },
+};
+
 export const FIREBIRDONESWAP_BSC_INFOS: { [name: string]: CurveInfo } = {
    [FIREBIRDONESWAP_BSC_POOLS.oneswap]: {
        exchangeFunctionSelector: CurveFunctionSelectors.swap,
@@ -1734,19 +2042,19 @@ export const BEETHOVEN_X_SUBGRAPH_URL_BY_CHAIN = valueByChainId<string>(
 export const UNISWAPV3_CONFIG_BY_CHAIN_ID = valueByChainId(
    {
        [ChainId.Mainnet]: {
-            quoter: '0xb27308f9f90d607463bb33ea1bebb41c27ce5ab6',
+            quoter: '0x61ffe014ba17989e743c5f6cb21bf9697530b21e',
            router: '0xe592427a0aece92de3edee1f18e0157c05861564',
        },
        [ChainId.Ropsten]: {
-            quoter: '0x2f9e608fd881861b8916257b76613cb22ee0652c',
+            quoter: '0x61ffe014ba17989e743c5f6cb21bf9697530b21e',
            router: '0x03782388516e94fcd4c18666303601a12aa729ea',
        },
        [ChainId.Polygon]: {
-            quoter: '0xb27308f9f90d607463bb33ea1bebb41c27ce5ab6',
+            quoter: '0x61ffe014ba17989e743c5f6cb21bf9697530b21e',
            router: '0xe592427a0aece92de3edee1f18e0157c05861564',
        },
        [ChainId.Optimism]: {
-            quoter: '0xb27308f9f90d607463bb33ea1bebb41c27ce5ab6',
+            quoter: '0x61ffe014ba17989e743c5f6cb21bf9697530b21e',
            router: '0xe592427a0aece92de3edee1f18e0157c05861564',
        },
    },
@@ -1916,7 +2224,14 @@ export const SPOOKYSWAP_ROUTER_BY_CHAIN_ID = valueByChainId<string>(

 export const VIP_ERC20_BRIDGE_SOURCES_BY_CHAIN_ID = valueByChainId<ERC20BridgeSource[]>(
    {
-        [ChainId.Mainnet]: [ERC20BridgeSource.UniswapV2, ERC20BridgeSource.SushiSwap, ERC20BridgeSource.UniswapV3],
+        [ChainId.Mainnet]: [
+            ERC20BridgeSource.UniswapV2,
+            ERC20BridgeSource.SushiSwap,
+            ERC20BridgeSource.UniswapV3,
+            ERC20BridgeSource.Curve,
+            ERC20BridgeSource.LiquidityProvider,
+            ERC20BridgeSource.Native,
+        ],
        [ChainId.BSC]: [
            ERC20BridgeSource.PancakeSwap,
            ERC20BridgeSource.PancakeSwapV2,
@@ -1926,6 +2241,8 @@ export const VIP_ERC20_BRIDGE_SOURCES_BY_CHAIN_ID = valueByChainId<ERC20BridgeSo
            ERC20BridgeSource.CafeSwap,
            ERC20BridgeSource.CheeseSwap,
            ERC20BridgeSource.JulSwap,
+            ERC20BridgeSource.LiquidityProvider,
+            ERC20BridgeSource.Native,
        ],
    },
    [],
@@ -1969,6 +2286,7 @@ export const DEFAULT_GAS_SCHEDULE: Required<FeeSchedule> = {
    [ERC20BridgeSource.Swerve]: fillData => (fillData as CurveFillData).pool.gasSchedule,
    [ERC20BridgeSource.SnowSwap]: fillData => (fillData as CurveFillData).pool.gasSchedule,
    [ERC20BridgeSource.Nerve]: fillData => (fillData as CurveFillData).pool.gasSchedule,
+    [ERC20BridgeSource.Synapse]: fillData => (fillData as CurveFillData).pool.gasSchedule,
    [ERC20BridgeSource.Belt]: fillData => (fillData as CurveFillData).pool.gasSchedule,
    [ERC20BridgeSource.Ellipsis]: fillData => (fillData as CurveFillData).pool.gasSchedule,
    [ERC20BridgeSource.Smoothy]: fillData => (fillData as CurveFillData).pool.gasSchedule,
@@ -2028,11 +2346,33 @@ export const DEFAULT_GAS_SCHEDULE: Required<FeeSchedule> = {
        return gas;
    },
    [ERC20BridgeSource.UniswapV3]: (fillData?: FillData) => {
-        let gas = 100e3;
-        const path = (fillData as UniswapV3FillData).tokenAddressPath;
-        if (path.length > 2) {
-            gas += (path.length - 2) * 32e3; // +32k for each hop.
+        const uniFillData = fillData as UniswapV3FillData | FinalUniswapV3FillData;
+        // NOTE: This base value was heuristically chosen by looking at how much it generally
+        // underestimated gas usage
+        const base = 34e3; // 34k base
+        let gas = base;
+        if (isFinalUniswapV3FillData(uniFillData)) {
+            gas += uniFillData.gasUsed;
+        } else {
+            // NOTE: We don't actually know which of the paths would be used in the router
+            // therefore we estimate using the mean of gas prices returned from UniswapV3
+            // For the best case scenario (least amount of hops & ticks) this will
+            // over estimate the gas usage
+            const pathAmountsWithGasUsed = uniFillData.pathAmounts.filter(p => p.gasUsed > 0);
+            const meanGasUsedForPath = Math.round(_.meanBy(pathAmountsWithGasUsed, p => p.gasUsed));
+            gas += meanGasUsedForPath;
        }
+
+        // If we for some reason could not read `gasUsed` when sampling
+        // fall back to legacy gas estimation
+        if (gas === base) {
+            gas = 100e3;
+            const path = uniFillData.tokenAddressPath;
+            if (path.length > 2) {
+                gas += (path.length - 2) * 32e3; // +32k for each hop.
+            }
+        }
+
        return gas;
    },
    [ERC20BridgeSource.Lido]: () => 226e3,
--- a/packages/asset-swapper/src/utils/market_operation_utils/orders.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/orders.ts
@@ -36,6 +36,7 @@ import {
    ShellFillData,
    UniswapV2FillData,
    UniswapV3FillData,
+    UniswapV3PathAmount,
 } from './types';

 // tslint:disable completed-docs
@@ -134,6 +135,8 @@ export function getErc20BridgeSourceToBridgeSource(source: ERC20BridgeSource): s
            return encodeBridgeSourceId(BridgeProtocol.UniswapV2, 'BakerySwap');
        case ERC20BridgeSource.Nerve:
            return encodeBridgeSourceId(BridgeProtocol.Nerve, 'Nerve');
+        case ERC20BridgeSource.Synapse:
+            return encodeBridgeSourceId(BridgeProtocol.Nerve, 'Synapse');
        case ERC20BridgeSource.Belt:
            return encodeBridgeSourceId(BridgeProtocol.Curve, 'Belt');
        case ERC20BridgeSource.Ellipsis:
@@ -226,6 +229,7 @@ export function createBridgeDataForBridgeOrder(order: OptimizedMarketBridgeOrder
        case ERC20BridgeSource.Swerve:
        case ERC20BridgeSource.SnowSwap:
        case ERC20BridgeSource.Nerve:
+        case ERC20BridgeSource.Synapse:
        case ERC20BridgeSource.Belt:
        case ERC20BridgeSource.Ellipsis:
        case ERC20BridgeSource.Smoothy:
@@ -384,11 +388,14 @@ function createFinalBridgeOrderFillDataFromCollapsedFill(fill: CollapsedFill): F
    switch (fill.source) {
        case ERC20BridgeSource.UniswapV3: {
            const fd = fill.fillData as UniswapV3FillData;
-            return {
+            const { uniswapPath, gasUsed } = getBestUniswapV3PathAmountForInputAmount(fd, fill.input);
+            const finalFillData: FinalUniswapV3FillData = {
                router: fd.router,
                tokenAddressPath: fd.tokenAddressPath,
-                uniswapPath: getBestUniswapV3PathForInputAmount(fd, fill.input),
+                uniswapPath,
+                gasUsed,
            };
+            return finalFillData;
        }
        default:
            break;
@@ -396,18 +403,21 @@ function createFinalBridgeOrderFillDataFromCollapsedFill(fill: CollapsedFill): F
    return fill.fillData;
 }

-function getBestUniswapV3PathForInputAmount(fillData: UniswapV3FillData, inputAmount: BigNumber): string {
+function getBestUniswapV3PathAmountForInputAmount(
+    fillData: UniswapV3FillData,
+    inputAmount: BigNumber,
+): UniswapV3PathAmount {
    if (fillData.pathAmounts.length === 0) {
        throw new Error(`No Uniswap V3 paths`);
    }
    // Find the best path that can satisfy `inputAmount`.
    // Assumes `fillData.pathAmounts` is sorted ascending.
-    for (const { inputAmount: pathInputAmount, uniswapPath } of fillData.pathAmounts) {
-        if (pathInputAmount.gte(inputAmount)) {
-            return uniswapPath;
+    for (const pathAmount of fillData.pathAmounts) {
+        if (pathAmount.inputAmount.gte(inputAmount)) {
+            return pathAmount;
        }
    }
-    return fillData.pathAmounts[fillData.pathAmounts.length - 1].uniswapPath;
+    return fillData.pathAmounts[fillData.pathAmounts.length - 1];
 }

 export function getMakerTakerTokens(opts: CreateOrderFromPathOpts): [string, string] {
@@ -463,6 +473,7 @@ export const BRIDGE_ENCODERS: {
    [ERC20BridgeSource.Swerve]: curveEncoder,
    [ERC20BridgeSource.SnowSwap]: curveEncoder,
    [ERC20BridgeSource.Nerve]: curveEncoder,
+    [ERC20BridgeSource.Synapse]: curveEncoder,
    [ERC20BridgeSource.Belt]: curveEncoder,
    [ERC20BridgeSource.Ellipsis]: curveEncoder,
    [ERC20BridgeSource.Smoothy]: curveEncoder,
--- a/packages/asset-swapper/src/utils/market_operation_utils/path_optimizer.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/path_optimizer.ts
@@ -10,13 +10,11 @@ import { VIP_ERC20_BRIDGE_SOURCES_BY_CHAIN_ID } from '../market_operation_utils/

 import { dexSamplesToFills, ethToOutputAmount, nativeOrdersToFills } from './fills';
 import { DEFAULT_PATH_PENALTY_OPTS, Path, PathPenaltyOpts } from './path';
-import { getRate } from './rate_utils';
 import { DexSample, ERC20BridgeSource, FeeSchedule, Fill, FillData, SamplerMetrics } from './types';

 // tslint:disable: prefer-for-of custom-no-magic-numbers completed-docs no-bitwise

 const RUN_LIMIT_DECAY_FACTOR = 0.5;
-const FILL_QUOTE_TRANSFORMER_GAS_OVERHEAD = new BigNumber(150e3);
 // NOTE: The Rust router will panic with less than 3 samples
 const MIN_NUM_SAMPLE_INPUTS = 3;

@@ -275,16 +273,14 @@ function findRoutesAndCreateOptimalPath(
        }

        // TODO(kimpers): remove once we have solved the rounding/precision loss issues in the Rust router
-        const scaleOutput = (fillInput: BigNumber, output: BigNumber) =>
-            output
-                .dividedBy(fillInput)
-                .times(rustInputAdjusted)
-                .decimalPlaces(0, side === MarketOperation.Sell ? BigNumber.ROUND_FLOOR : BigNumber.ROUND_CEIL);
+        const maxSampledOutput = BigNumber.max(...routeSamples.map(s => s.output));
+        const scaleOutput = (output: BigNumber) => BigNumber.min(output.times(scale), maxSampledOutput);
+
        adjustedFills.push({
            ...fill,
            input: rustInputAdjusted,
-            output: scaleOutput(fill.input, fill.output),
-            adjustedOutput: scaleOutput(fill.input, fill.adjustedOutput),
+            output: scaleOutput(fill.output),
+            adjustedOutput: scaleOutput(fill.adjustedOutput),
            index: 0,
            parent: undefined,
            sourcePathId: sourcePathId ?? hexUtils.random(),
@@ -295,7 +291,7 @@ function findRoutesAndCreateOptimalPath(
        return undefined;
    }

-    const pathFromRustInputs = Path.create(side, adjustedFills, input);
+    const pathFromRustInputs = Path.create(side, adjustedFills, input, opts);

    return pathFromRustInputs;
 }
@@ -360,17 +356,7 @@ export function findOptimalRustPathFromSamples(
                    timingMs: performance.now() - beforeTimeMs,
                });

-            const { input: allSourcesInput, output: allSourcesOutput } = allSourcesPath.adjustedSize();
-            // NOTE: For sell quotes input is the taker asset and for buy quotes input is the maker asset
-            const gasCostInWei = FILL_QUOTE_TRANSFORMER_GAS_OVERHEAD.times(opts.gasPrice);
-            const fqtOverheadInOutputToken = gasCostInWei.times(opts.outputAmountPerEth);
-            const outputWithFqtOverhead =
-                side === MarketOperation.Sell
-                    ? allSourcesOutput.minus(fqtOverheadInOutputToken)
-                    : allSourcesOutput.plus(fqtOverheadInOutputToken);
-            const allSourcesAdjustedRateWithFqtOverhead = getRate(side, allSourcesInput, outputWithFqtOverhead);
-
-            if (vipSourcesPath?.adjustedRate().isGreaterThan(allSourcesAdjustedRateWithFqtOverhead)) {
+            if (vipSourcesPath?.isBetterThan(allSourcesPath)) {
                return vipSourcesPath;
            }
        }
--- a/packages/asset-swapper/src/utils/market_operation_utils/sampler_operations.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/sampler_operations.ts
@@ -767,16 +767,17 @@ export class SamplerOperations {
            function: this._samplerContract.sampleSellsFromUniswapV3,
            params: [quoter, tokenAddressPath, takerFillAmounts],
            callback: (callResults: string, fillData: UniswapV3FillData): BigNumber[] => {
-                const [paths, samples] = this._samplerContract.getABIDecodedReturnData<[string[], BigNumber[]]>(
-                    'sampleSellsFromUniswapV3',
-                    callResults,
-                );
+                const [paths, samples, gasUsed] = this._samplerContract.getABIDecodedReturnData<
+                    [string[], BigNumber[], BigNumber[]]
+                >('sampleSellsFromUniswapV3', callResults);
                fillData.router = router;
                fillData.tokenAddressPath = tokenAddressPath;
                fillData.pathAmounts = paths.map((uniswapPath, i) => ({
                    uniswapPath,
                    inputAmount: takerFillAmounts[i],
+                    gasUsed: gasUsed[i].toNumber(),
                }));
+
                return samples;
            },
        });
@@ -795,15 +796,15 @@ export class SamplerOperations {
            function: this._samplerContract.sampleBuysFromUniswapV3,
            params: [quoter, tokenAddressPath, makerFillAmounts],
            callback: (callResults: string, fillData: UniswapV3FillData): BigNumber[] => {
-                const [paths, samples] = this._samplerContract.getABIDecodedReturnData<[string[], BigNumber[]]>(
-                    'sampleBuysFromUniswapV3',
-                    callResults,
-                );
+                const [paths, samples, gasUsed] = this._samplerContract.getABIDecodedReturnData<
+                    [string[], BigNumber[], BigNumber[]]
+                >('sampleBuysFromUniswapV3', callResults);
                fillData.router = router;
                fillData.tokenAddressPath = tokenAddressPath;
                fillData.pathAmounts = paths.map((uniswapPath, i) => ({
                    uniswapPath,
                    inputAmount: makerFillAmounts[i],
+                    gasUsed: gasUsed[i].toNumber(),
                }));
                return samples;
            },
@@ -1342,6 +1343,7 @@ export class SamplerOperations {
                    case ERC20BridgeSource.Swerve:
                    case ERC20BridgeSource.SnowSwap:
                    case ERC20BridgeSource.Nerve:
+                    case ERC20BridgeSource.Synapse:
                    case ERC20BridgeSource.Belt:
                    case ERC20BridgeSource.Ellipsis:
                    case ERC20BridgeSource.Saddle:
@@ -1647,6 +1649,7 @@ export class SamplerOperations {
                    case ERC20BridgeSource.Swerve:
                    case ERC20BridgeSource.SnowSwap:
                    case ERC20BridgeSource.Nerve:
+                    case ERC20BridgeSource.Synapse:
                    case ERC20BridgeSource.Belt:
                    case ERC20BridgeSource.Ellipsis:
                    case ERC20BridgeSource.Saddle:
--- a/packages/asset-swapper/src/utils/market_operation_utils/types.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/types.ts
@@ -70,6 +70,7 @@ export enum ERC20BridgeSource {
    ShibaSwap = 'ShibaSwap',
    AaveV2 = 'Aave_V2',
    Compound = 'Compound',
+    Synapse = 'Synapse',
    // BSC only
    PancakeSwap = 'PancakeSwap',
    PancakeSwapV2 = 'PancakeSwap_V2',
@@ -115,7 +116,7 @@ export type SourcesWithPoolsCache =
 export enum CurveFunctionSelectors {
    None = '0x00000000',
    exchange = '0x3df02124',
-    exchange_underlying = '0xa6417ed6',
+    exchange_underlying = '0xa6417ed6', // exchange_underlying(int128 i, int128 j, uint256 dx, uint256 min_dy)
    get_dy_underlying = '0x07211ef7',
    get_dx_underlying = '0x0e71d1b9',
    get_dy = '0x5e0d443f', // get_dy(int128,int128,uint256)
@@ -130,7 +131,7 @@ export enum CurveFunctionSelectors {
    // Smoothy
    swap_uint256 = '0x5673b02d', // swap(uint256,uint256,uint256,uint256)
    get_swap_amount = '0x45cf2ef6', // getSwapAmount(uint256,uint256,uint256)
-    // Nerve BSC, Saddle Mainnet
+    // Nerve BSC, Saddle Mainnet, Synapse
    swap = '0x91695586', // swap(uint8,uint8,uint256,uint256,uint256)
    calculateSwap = '0xa95b089f', // calculateSwap(uint8,uint8,uint256)
 }
@@ -267,19 +268,34 @@ export interface HopInfo {
    returnData: string;
 }

+export interface UniswapV3PathAmount {
+    uniswapPath: string;
+    inputAmount: BigNumber;
+    gasUsed: number;
+}
 export interface UniswapV3FillData extends FillData {
    tokenAddressPath: string[];
    router: string;
-    pathAmounts: Array<{ uniswapPath: string; inputAmount: BigNumber }>;
+    pathAmounts: UniswapV3PathAmount[];
 }

 export interface KyberDmmFillData extends UniswapV2FillData {
    poolsPath: string[];
 }

-export interface FinalUniswapV3FillData extends Omit<UniswapV3FillData, 'uniswapPaths'> {
+/**
+ * Determines whether FillData is UniswapV3FillData or FinalUniswapV3FillData
+ */
+export function isFinalUniswapV3FillData(
+    data: UniswapV3FillData | FinalUniswapV3FillData,
+): data is FinalUniswapV3FillData {
+    return !!(data as FinalUniswapV3FillData).uniswapPath;
+}
+
+export interface FinalUniswapV3FillData extends Omit<UniswapV3FillData, 'pathAmounts'> {
    // The uniswap-encoded path that can fll the maximum input amount.
    uniswapPath: string;
+    gasUsed: number;
 }

 export interface LidoFillData extends FillData {
--- a/packages/asset-swapper/test/exchange_proxy_swap_quote_consumer_test.ts
+++ b/packages/asset-swapper/test/exchange_proxy_swap_quote_consumer_test.ts
@@ -125,6 +125,7 @@ describe('ExchangeProxySwapQuoteConsumer', () => {
                gas: Math.floor(Math.random() * 8e6),
                protocolFeeInWeiAmount: getRandomAmount(),
                feeTakerTokenAmount: getRandomAmount(),
+                slippage: 0,
            },
            worstCaseQuoteInfo: {
                makerAmount: makerTokenFillAmount,
@@ -133,6 +134,7 @@ describe('ExchangeProxySwapQuoteConsumer', () => {
                gas: Math.floor(Math.random() * 8e6),
                protocolFeeInWeiAmount: getRandomAmount(),
                feeTakerTokenAmount: getRandomAmount(),
+                slippage: 0,
            },
            makerAmountPerEth: getRandomInteger(1, 1e9),
            takerAmountPerEth: getRandomInteger(1, 1e9),
--- a/packages/asset-swapper/test/utils/swap_quote.ts
+++ b/packages/asset-swapper/test/utils/swap_quote.ts
@@ -24,6 +24,7 @@ export async function getFullyFillableSwapQuoteWithNoFeesAsync(
        totalTakerAmount: takerAmount,
        protocolFeeInWeiAmount: protocolFeePerOrder.times(orders.length),
        gas: 200e3,
+        slippage: 0,
    };

    const breakdown = {
--- a/yarn.lock
+++ b/yarn.lock
@@ -2993,12 +2993,6 @@ ansi-escapes@^3.2.0:
  version "3.2.0"
  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.2.0.tgz#8780b98ff9dbf5638152d1f1fe5c1d7b4442976b"

-ansi-escapes@^4.2.1:
-  version "4.3.2"
-  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-4.3.2.tgz#6b2291d1db7d98b6521d5f1efa42d0f3a9feb65e"
-  dependencies:
-    type-fest "^0.21.3"
-
 ansi-regex@^2.0.0:
  version "2.1.1"
  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -3109,14 +3103,6 @@ arr-union@^3.1.0:
  version "3.1.0"
  resolved "https://registry.yarnpkg.com/arr-union/-/arr-union-3.1.0.tgz#e39b09aea9def866a8f206e288af63919bae39c4"

-array-back@^3.0.1:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/array-back/-/array-back-3.1.0.tgz#b8859d7a508871c9a7b2cf42f99428f65e96bfb0"
-
-array-back@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/array-back/-/array-back-4.0.1.tgz#9b80312935a52062e1a233a9c7abeb5481b30e90"
-
 array-differ@^2.0.3:
  version "2.1.0"
  resolved "https://registry.yarnpkg.com/array-differ/-/array-differ-2.1.0.tgz#4b9c1c3f14b906757082925769e8ab904f4801b1"
@@ -4261,6 +4247,11 @@ caniuse-lite@^1.0.30000844:
  version "1.0.30001151"
  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001151.tgz#1ddfde5e6fff02aad7940b4edb7d3ac76b0cb00b"

+cargo-cp-artifact@^0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/cargo-cp-artifact/-/cargo-cp-artifact-0.1.6.tgz#df1bc9dad036ae0f4230639a869182e1d5850f89"
+  integrity sha512-CQw0doK/aaF7j041666XzuilHxqMxaKkn+I5vmBsd8SAwS0cO5CqVEVp0xJwOKstyqWZ6WK4Ww3O6p26x/Goyg==
+
 caseless@~0.12.0:
  version "0.12.0"
  resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -4311,13 +4302,6 @@ chalk@^4.0.0:
    ansi-styles "^4.1.0"
    supports-color "^7.1.0"

-chalk@^4.1.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.1.tgz#c80b3fab28bf6371e6863325eee67e618b77e6ad"
-  dependencies:
-    ansi-styles "^4.1.0"
-    supports-color "^7.1.0"
-
 change-case@^3.0.2:
  version "3.1.0"
  resolved "https://registry.yarnpkg.com/change-case/-/change-case-3.1.0.tgz#0e611b7edc9952df2e8513b27b42de72647dd17e"
@@ -4435,12 +4419,6 @@ cli-cursor@^2.1.0:
  dependencies:
    restore-cursor "^2.0.0"

-cli-cursor@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-3.1.0.tgz#264305a7ae490d1d03bf0c9ba7c925d1753af307"
-  dependencies:
-    restore-cursor "^3.1.0"
-
 cli-format@^3.0.9:
  version "3.0.9"
  resolved "https://registry.yarnpkg.com/cli-format/-/cli-format-3.0.9.tgz#ea2cf6df891a8deaaa0dae7d9b8bd21dd8661bb2"
@@ -4455,10 +4433,6 @@ cli-width@^2.0.0:
  version "2.2.1"
  resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.1.tgz#b0433d0b4e9c847ef18868a4ef16fd5fc8271c48"

-cli-width@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-3.0.0.tgz#a2f48437a2caa9a22436e794bf071ec9e61cedf6"
-
 cliui@^3.2.0:
  version "3.2.0"
  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
@@ -4591,30 +4565,6 @@ command-exists@^1.2.8:
  version "1.2.9"
  resolved "https://registry.yarnpkg.com/command-exists/-/command-exists-1.2.9.tgz#c50725af3808c8ab0260fd60b01fbfa25b954f69"

-command-line-args@^5.1.1:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/command-line-args/-/command-line-args-5.1.1.tgz#88e793e5bb3ceb30754a86863f0401ac92fd369a"
-  dependencies:
-    array-back "^3.0.1"
-    find-replace "^3.0.0"
-    lodash.camelcase "^4.3.0"
-    typical "^4.0.0"
-
-command-line-commands@^3.0.1:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/command-line-commands/-/command-line-commands-3.0.2.tgz#53872a1181db837f21906b1228e260a4eeb42ee4"
-  dependencies:
-    array-back "^4.0.1"
-
-command-line-usage@^6.1.0:
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/command-line-usage/-/command-line-usage-6.1.1.tgz#c908e28686108917758a49f45efb4f02f76bc03f"
-  dependencies:
-    array-back "^4.0.1"
-    chalk "^2.4.2"
-    table-layout "^1.0.1"
-    typical "^5.2.0"
-
 commander@2.18.0:
  version "2.18.0"
  resolved "https://registry.yarnpkg.com/commander/-/commander-2.18.0.tgz#2bf063ddee7c7891176981a2cc798e5754bc6970"
@@ -5152,7 +5102,7 @@ deep-equal@~1.1.1:
    object-keys "^1.1.1"
    regexp.prototype.flags "^1.2.0"

-deep-extend@^0.6.0, deep-extend@~0.6.0:
+deep-extend@^0.6.0:
  version "0.6.0"
  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"

@@ -6399,13 +6349,13 @@ fake-merkle-patricia-tree@^1.0.1:
  dependencies:
    checkpoint-store "^1.1.0"

-fast-abi@^0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/fast-abi/-/fast-abi-0.0.2.tgz#da5f796fd7c7b0c966d916ee21daae3eca61c07c"
-  integrity sha512-k/2s63SkFf6jU2LyF6oQC5/N+L90q6VD1wkp2NXo+DSHoTeOJD2Q6Egpcs+bTPODik0CHxjb7lORgsG+QCRq/Q==
+fast-abi@^0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/fast-abi/-/fast-abi-0.0.4.tgz#c6a547d0fe75862a9eea6fe5aa7ab135e6ab62a0"
+  integrity sha512-BM/x54z6i5L+VnHk1c1xt4sSlx4SCIZNQJ3tNBrM88ytOSd/JY/2pRVkx/RxY3sdF6X5exgB6YVemCqVLzQzUA==
  dependencies:
    "@mapbox/node-pre-gyp" "^1.0.4"
-    neon-cli "^0.8.0"
+    cargo-cp-artifact "^0.1.6"
    uuid "^8.3.2"

 fast-deep-equal@^3.1.1, fast-deep-equal@^3.1.3:
@@ -6457,12 +6407,6 @@ figures@^2.0.0:
  dependencies:
    escape-string-regexp "^1.0.5"

-figures@^3.0.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/figures/-/figures-3.2.0.tgz#625c18bd293c604dc4a8ddb2febf0c88341746af"
-  dependencies:
-    escape-string-regexp "^1.0.5"
-
 file-entry-cache@^5.0.1:
  version "5.0.1"
  resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-5.0.1.tgz#ca0f6efa6dd3d561333fb14515065c2fafdf439c"
@@ -6534,12 +6478,6 @@ find-cache-dir@^0.1.1:
    mkdirp "^0.5.1"
    pkg-dir "^1.0.0"

-find-replace@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/find-replace/-/find-replace-3.0.0.tgz#3e7e23d3b05167a76f770c9fbd5258b0def68c38"
-  dependencies:
-    array-back "^3.0.1"
-
 find-up@3.0.0, find-up@^3.0.0:
  version "3.0.0"
  resolved "https://registry.yarnpkg.com/find-up/-/find-up-3.0.0.tgz#49169f1d7993430646da61ecc5ae355c21c97b73"
@@ -6903,12 +6841,6 @@ ghauth@^2.0.0:
    read "~1.0.5"
    xtend "~4.0.0"

-git-config@0.0.7:
-  version "0.0.7"
-  resolved "https://registry.yarnpkg.com/git-config/-/git-config-0.0.7.tgz#a9c8a3ef07a776c3d72261356d8b727b62202b28"
-  dependencies:
-    iniparser "~1.0.5"
-
 git-raw-commits@2.0.0:
  version "2.0.0"
  resolved "https://registry.yarnpkg.com/git-raw-commits/-/git-raw-commits-2.0.0.tgz#d92addf74440c14bcc5c83ecce3fb7f8a79118b5"
@@ -7506,10 +7438,6 @@ ini@^1.3.2, ini@^1.3.4, ini@~1.3.0:
  version "1.3.5"
  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"

-iniparser@~1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/iniparser/-/iniparser-1.0.5.tgz#836d6befe6dfbfcee0bccf1cf9f2acc7027f783d"
-
 init-package-json@^1.10.3:
  version "1.10.3"
  resolved "https://registry.yarnpkg.com/init-package-json/-/init-package-json-1.10.3.tgz#45ffe2f610a8ca134f2bd1db5637b235070f6cbe"
@@ -7541,24 +7469,6 @@ inquirer@^6.2.0, inquirer@^6.2.2:
    strip-ansi "^5.1.0"
    through "^2.3.6"

-inquirer@^7.3.3:
-  version "7.3.3"
-  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-7.3.3.tgz#04d176b2af04afc157a83fd7c100e98ee0aad003"
-  dependencies:
-    ansi-escapes "^4.2.1"
-    chalk "^4.1.0"
-    cli-cursor "^3.1.0"
-    cli-width "^3.0.0"
-    external-editor "^3.0.3"
-    figures "^3.0.0"
-    lodash "^4.17.19"
-    mute-stream "0.0.8"
-    run-async "^2.4.0"
-    rxjs "^6.6.0"
-    string-width "^4.1.0"
-    strip-ansi "^6.0.0"
-    through "^2.3.6"
-
 interpret@^1.0.0:
  version "1.4.0"
  resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.4.0.tgz#665ab8bc4da27a774a40584e812e3e0fa45b1a1e"
@@ -8528,10 +8438,6 @@ lodash._reinterpolate@^3.0.0:
  version "3.0.0"
  resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"

-lodash.camelcase@^4.3.0:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
-
 lodash.clonedeep@^4.5.0:
  version "4.5.0"
  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
@@ -8589,10 +8495,6 @@ lodash@4.17.20, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.14, lodash@^4.17.
  version "4.17.20"
  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"

-lodash@^4.17.19:
-  version "4.17.21"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
-
 log-driver@^1.2.7:
  version "1.2.7"
  resolved "https://registry.yarnpkg.com/log-driver/-/log-driver-1.2.7.tgz#63b95021f0702fedfa2c9bb0a24e7797d71871d8"
@@ -8746,10 +8648,6 @@ make-promises-safe@^1.1.0:
  version "1.1.0"
  resolved "https://registry.yarnpkg.com/make-promises-safe/-/make-promises-safe-1.1.0.tgz#b4d28c61ef8ad5502f38dbb3a0ee89627f76ad61"

-make-promises-safe@^5.1.0:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/make-promises-safe/-/make-promises-safe-5.1.0.tgz#dd9d311f555bcaa144f12e225b3d37785f0aa8f2"
-
 map-age-cleaner@^0.1.1:
  version "0.1.3"
  resolved "https://registry.yarnpkg.com/map-age-cleaner/-/map-age-cleaner-0.1.3.tgz#7d583a7306434c055fe474b0f45078e6e1b4b92a"
@@ -8985,7 +8883,7 @@ mimic-fn@^1.0.0:
  version "1.2.0"
  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.2.0.tgz#820c86a39334640e99516928bd03fca88057d022"

-mimic-fn@^2.0.0, mimic-fn@^2.1.0:
+mimic-fn@^2.0.0:
  version "2.1.0"
  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"

@@ -9255,7 +9153,7 @@ mute-stream@0.0.7:
  version "0.0.7"
  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"

-mute-stream@0.0.8, mute-stream@~0.0.4:
+mute-stream@~0.0.4:
  version "0.0.8"
  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.8.tgz#1630c42b2251ff81e2a283de96a5497ea92e5e0d"

@@ -9315,25 +9213,6 @@ neo-async@^2.6.0:
  version "2.6.2"
  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"

-neon-cli@^0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/neon-cli/-/neon-cli-0.8.0.tgz#bca2e1cbc9706c65bf736a7057e6b3bf28f55857"
-  dependencies:
-    chalk "^4.1.0"
-    command-line-args "^5.1.1"
-    command-line-commands "^3.0.1"
-    command-line-usage "^6.1.0"
-    git-config "0.0.7"
-    handlebars "^4.7.6"
-    inquirer "^7.3.3"
-    make-promises-safe "^5.1.0"
-    rimraf "^3.0.2"
-    semver "^7.3.2"
-    toml "^3.0.0"
-    ts-typed-json "^0.3.2"
-    validate-npm-package-license "^3.0.4"
-    validate-npm-package-name "^3.0.0"
-
 next-tick@~1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
@@ -9751,12 +9630,6 @@ onetime@^2.0.0:
  dependencies:
    mimic-fn "^1.0.0"

-onetime@^5.1.0:
-  version "5.1.2"
-  resolved "https://registry.yarnpkg.com/onetime/-/onetime-5.1.2.tgz#d0e96ebb56b07476df1dd9c4806e5237985ca45e"
-  dependencies:
-    mimic-fn "^2.1.0"
-
 optionator@^0.8.1, optionator@^0.8.2:
  version "0.8.3"
  resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.3.tgz#84fa1d036fe9d3c7e21d99884b601167ec8fb495"
@@ -10779,10 +10652,6 @@ redent@^3.0.0:
    indent-string "^4.0.0"
    strip-indent "^3.0.0"

-reduce-flatten@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/reduce-flatten/-/reduce-flatten-2.0.0.tgz#734fd84e65f375d7ca4465c69798c25c9d10ae27"
-
 regenerate@^1.2.1:
  version "1.4.1"
  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.1.tgz#cad92ad8e6b591773485fbe05a485caf4f457e6f"
@@ -10985,13 +10854,6 @@ restore-cursor@^2.0.0:
    onetime "^2.0.0"
    signal-exit "^3.0.2"

-restore-cursor@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-3.1.0.tgz#39f67c54b3a7a58cea5236d95cf0034239631f7e"
-  dependencies:
-    onetime "^5.1.0"
-    signal-exit "^3.0.2"
-
 resumer@~0.0.0:
  version "0.0.0"
  resolved "https://registry.yarnpkg.com/resumer/-/resumer-0.0.0.tgz#f1e8f461e4064ba39e82af3cdc2a8c893d076759"
@@ -11045,7 +10907,7 @@ rlp@^2.0.0, rlp@^2.2.1, rlp@^2.2.2, rlp@^2.2.3, rlp@^2.2.4:
  dependencies:
    bn.js "^4.11.1"

-run-async@^2.2.0, run-async@^2.4.0:
+run-async@^2.2.0:
  version "2.4.1"
  resolved "https://registry.yarnpkg.com/run-async/-/run-async-2.4.1.tgz#8440eccf99ea3e70bd409d49aab88e10c189a455"

@@ -11065,12 +10927,6 @@ rxjs@^6.4.0, rxjs@^6.5.3:
  dependencies:
    tslib "^1.9.0"

-rxjs@^6.6.0:
-  version "6.6.7"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.7.tgz#90ac018acabf491bf65044235d5863c4dab804c9"
-  dependencies:
-    tslib "^1.9.0"
-
 safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
  version "5.1.2"
  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
@@ -11691,14 +11547,6 @@ string-width@^3.0.0, string-width@^3.1.0:
    is-fullwidth-code-point "^2.0.0"
    strip-ansi "^5.1.0"

-string-width@^4.1.0:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.2.tgz#dafd4f9559a7585cfba529c6a0a4f73488ebd4c5"
-  dependencies:
-    emoji-regex "^8.0.0"
-    is-fullwidth-code-point "^3.0.0"
-    strip-ansi "^6.0.0"
-
 string-width@^4.2.0:
  version "4.2.0"
  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.0.tgz#952182c46cc7b2c313d1596e623992bd163b72b5"
@@ -11911,15 +11759,6 @@ swarm-js@^0.1.40:
    tar "^4.0.2"
    xhr-request "^1.0.1"

-table-layout@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/table-layout/-/table-layout-1.0.2.tgz#c4038a1853b0136d63365a734b6931cf4fad4a04"
-  dependencies:
-    array-back "^4.0.1"
-    deep-extend "~0.6.0"
-    typical "^5.2.0"
-    wordwrapjs "^4.0.0"
-
 table@^5.2.3:
  version "5.4.6"
  resolved "https://registry.yarnpkg.com/table/-/table-5.4.6.tgz#1292d19500ce3f86053b05f0e8e7e4a3bb21079e"
@@ -12200,10 +12039,6 @@ toidentifier@1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"

-toml@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/toml/-/toml-3.0.0.tgz#342160f1af1904ec9d204d03a5d61222d762c5ee"
-
 toposort@^2.0.2:
  version "2.0.2"
  resolved "https://registry.yarnpkg.com/toposort/-/toposort-2.0.2.tgz#ae21768175d1559d48bef35420b2f4962f09c330"
@@ -12249,10 +12084,6 @@ truffle@^5.0.32:
    mocha "8.1.2"
    original-require "1.0.1"

-ts-typed-json@^0.3.2:
-  version "0.3.2"
-  resolved "https://registry.yarnpkg.com/ts-typed-json/-/ts-typed-json-0.3.2.tgz#f4f20f45950bae0a383857f7b0a94187eca1b56a"
-
 tslib@1.9.0:
  version "1.9.0"
  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.0.tgz#e37a86fda8cbbaf23a057f473c9f4dc64e5fc2e8"
@@ -12342,10 +12173,6 @@ type-fest@^0.13.1:
  version "0.13.1"
  resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.13.1.tgz#0172cb5bce80b0bd542ea348db50c7e21834d934"

-type-fest@^0.21.3:
-  version "0.21.3"
-  resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.21.3.tgz#d260a24b0198436e133fa26a524a6d65fa3b2e37"
-
 type-fest@^0.3.0:
  version "0.3.1"
  resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.3.1.tgz#63d00d204e059474fe5e1b7c011112bbd1dc29e1"
@@ -12449,14 +12276,6 @@ typewiselite@~1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/typewiselite/-/typewiselite-1.0.0.tgz#c8882fa1bb1092c06005a97f34ef5c8508e3664e"

-typical@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/typical/-/typical-4.0.0.tgz#cbeaff3b9d7ae1e2bbfaf5a4e6f11eccfde94fc4"
-
-typical@^5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/typical/-/typical-5.2.0.tgz#4daaac4f2b5315460804f0acf6cb69c52bb93066"
-
 u2f-api@0.2.7:
  version "0.2.7"
  resolved "https://registry.yarnpkg.com/u2f-api/-/u2f-api-0.2.7.tgz#17bf196b242f6bf72353d9858e6a7566cc192720"
@@ -12688,7 +12507,7 @@ valid-url@^1.0.9:
  version "1.0.9"
  resolved "https://registry.yarnpkg.com/valid-url/-/valid-url-1.0.9.tgz#1c14479b40f1397a75782f115e4086447433a200"

-validate-npm-package-license@^3.0.1, validate-npm-package-license@^3.0.3, validate-npm-package-license@^3.0.4:
+validate-npm-package-license@^3.0.1, validate-npm-package-license@^3.0.3:
  version "3.0.4"
  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"
  dependencies:
@@ -13467,13 +13286,6 @@ wordwrap@^1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"

-wordwrapjs@^4.0.0:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/wordwrapjs/-/wordwrapjs-4.0.1.tgz#d9790bccfb110a0fc7836b5ebce0937b37a8b98f"
-  dependencies:
-    reduce-flatten "^2.0.0"
-    typical "^5.2.0"
-
 workerpool@6.0.0:
  version "6.0.0"
  resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.0.0.tgz#85aad67fa1a2c8ef9386a1b43539900f61d03d58"
Author	SHA1	Message	Date
Github Actions	9e6efc3676	Publish - @0x/asset-swapper@16.49.3	2022-02-10 12:12:08 +00:00
Github Actions	3aef29dace	Updated CHANGELOGS & MD docs	2022-02-10 12:12:05 +00:00
Kim Persson	9a16e00577	fix: router RFQ underutilization (#413 ) * fix: pass EP overhead to Path & use path comparison all & vip routes * chore: add changelog entry for asset-swapper	2022-02-10 12:55:30 +01:00
Kim Persson	84e4819e6e	feat: Improve Uniswap V3 gas schedule (#397 ) * feat: UniswapV3Sampler use QuoterV2 for sells WIP * feat: UniswapV3Sampler for QuoterV2 buys WIP * refactor: separate logic to remove stack too deep issue * feat: Use initializedTicksCrossed from Uniswap QuoterV2 for gas est. * fix: use Quoter gasUsed instead of estimating gas from pools + ticks * refactor: clean up UniswapV3Sampler & remove old Quoter interface * refactor: unify code for buys and sells while handling stack too deep * fix: use mean gas price from all sample estimating UniV3 gas schedule * fix: fallback to legacy Uniswap V3 gas estimate if we can't get gasUsed * refactor: use named function instead of fat arrow * chore: add asset-swapper changelog entry	2022-02-10 11:16:24 +01:00
Kim Persson	25dd6bc79a	fix: incorrect output scaling when input is less than desired amount (#401 ) * fix: incorrect output scaling when input is less than desired amount * chore: bump fast-abi * chore: add changelog entry for asset-swapper	2022-02-10 10:43:44 +01:00
Jacob Evans	5d2cdb00c2	fix: slippage inconsistency when recalculated in exchange proxy quote consumer (#412 ) * fix: Pass slippage down rather than recalculate due to accuracy * CHANGELOG	2022-02-04 10:37:38 +10:00
Github Actions	0f701f42d3	Publish - @0x/asset-swapper@16.49.2	2022-01-31 18:24:47 +00:00
Github Actions	3e3e82d3f7	Updated CHANGELOGS & MD docs	2022-01-31 18:24:44 +00:00
Lawrence Forman	c57bf86273	Fix ABI encoding error with two hop buys due to applying slippage to uint(-1) values (#410 ) Co-authored-by: Lawrence Forman <me@merklejerk.com>	2022-01-31 12:51:17 -05:00
Github Actions	f470d282ee	Publish - @0x/asset-swapper@16.49.1	2022-01-31 07:20:03 +00:00
Github Actions	b8a2526da5	Updated CHANGELOGS & MD docs	2022-01-31 07:19:59 +00:00
Jacob Evans	97575bbde9	fix: worstCaseQuoteInfo calculating buys incorrectly [TKR-296] (#402 ) * fix: WorstCaseQuoteInfo buy encoding * CHANGELOG	2022-01-31 17:01:17 +10:00
Github Actions	e5ed8b2c81	Publish - @0x/asset-swapper@16.49.0	2022-01-28 22:11:46 +00:00
Github Actions	61fbae3ae2	Updated CHANGELOGS & MD docs	2022-01-28 22:11:42 +00:00
Shawn	5c2255c841	feat: add curve pools (#409 ) * feat: Additional Curve pools * more pools * fix the format * changlog * lowercase address Co-authored-by: Jacob Evans <jacob@dekz.net>	2022-01-28 12:08:28 -08:00
Github Actions	e036dee6c5	Publish - @0x/asset-swapper@16.48.0	2022-01-25 22:00:25 +00:00
Github Actions	8583aab241	Updated CHANGELOGS & MD docs	2022-01-25 22:00:21 +00:00
Jacob Evans	5d05b62821	chore: Use MIM on Fantom as an intermediary asset (#405 )	2022-01-26 07:42:29 +10:00
Github Actions	0063e8178f	Publish - @0x/asset-swapper@16.47.0	2022-01-25 18:51:07 +00:00
Github Actions	ec6e5dd517	Updated CHANGELOGS & MD docs	2022-01-25 18:51:04 +00:00
Noah Khamliche	9d08fefa1c	Feat/synapse (#400 ) * added synapse support	2022-01-25 13:21:07 -05:00
Github Actions	2fdca24d4e	Publish - @0x/asset-swapper@16.46.0	2022-01-11 01:10:02 +00:00
Github Actions	42ec0b144e	Updated CHANGELOGS & MD docs	2022-01-11 01:09:58 +00:00
Jacob Evans	3f6ce78b46	chore: Enable Curve ETH/CVX (#394 ) * chore: Enable Curve ETH/CVX * pr number	2022-01-11 09:32:07 +10:00