Add KnightSwap on BSC (#498)

* Curve pool script to generate pools and their info. Still need to integrate into API

* Added MDEX to BSC

* Removed curve automation scripts from this PR

* Fixed typo

* Changelog

* fix formatting

* Fixed yarn lint

* Add KnightSwap

* Changelog

* update changelog

* changelog again...

packages/asset-swapper/CHANGELOG.json

@@ -1,4 +1,17 @@
 [
+    {
+        "version": "16.62.0",
+        "changes": [
+            {
+                "note": "Add MDEX on BSC",
+                "pr": 496
+            },
+            {
+                "note": "Add KnightSwap on BSC",
+                "pr": 498
+            }
+        ]
+    }
     {
         "version": "16.61.0",
         "changes": [
@@ -13,10 +26,6 @@
             {
                 "note": "Add MeshSwap on Polygon",
                 "pr": 491
-            },
-            {
-                "note": "Add MDEX on BSC",
-                "pr": 496
             }
         ],
         "timestamp": 1654284040

packages/asset-swapper/src/utils/market_operation_utils/bridge_source_utils.ts

@@ -8,6 +8,7 @@ import {
     BELT_BSC_INFOS,
     BISWAP_ROUTER_BY_CHAIN_ID,
     MDEX_ROUTER_BY_CHAIN_ID,
+    KNIGHTSWAP_ROUTER_BY_CHAIN_ID,
     CAFESWAP_ROUTER_BY_CHAIN_ID,
     CHEESESWAP_ROUTER_BY_CHAIN_ID,
     COMETHSWAP_ROUTER_BY_CHAIN_ID,
@@ -547,6 +548,7 @@ export function uniswapV2LikeRouterAddress(
         | ERC20BridgeSource.BiSwap
         | ERC20BridgeSource.Yoshi
         | ERC20BridgeSource.MDex
+        | ERC20BridgeSource.KnightSwap
         | ERC20BridgeSource.MeshSwap,
 ): string {
     switch (source) {
@@ -604,6 +606,8 @@ export function uniswapV2LikeRouterAddress(
             return MESHSWAP_ROUTER_BY_CHAIN_ID[chainId];
         case ERC20BridgeSource.MDex:
             return MDEX_ROUTER_BY_CHAIN_ID[chainId];
+        case ERC20BridgeSource.KnightSwap:
+            return KNIGHTSWAP_ROUTER_BY_CHAIN_ID[chainId];
         default:
             throw new Error(`Unknown UniswapV2 like source ${source}`);
     }

packages/asset-swapper/src/utils/market_operation_utils/constants.ts

@@ -148,6 +148,7 @@ export const SELL_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
             ERC20BridgeSource.KyberDmm,
             ERC20BridgeSource.BiSwap,
             ERC20BridgeSource.MDex,
+            ERC20BridgeSource.KnightSwap,
         ]),
         [ChainId.Polygon]: new SourceFilters([
             ERC20BridgeSource.SushiSwap,
@@ -295,6 +296,7 @@ export const BUY_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
             ERC20BridgeSource.KyberDmm,
             ERC20BridgeSource.BiSwap,
             ERC20BridgeSource.MDex,
+            ERC20BridgeSource.KnightSwap,
         ]),
         [ChainId.Polygon]: new SourceFilters([
             ERC20BridgeSource.SushiSwap,
@@ -1982,6 +1984,13 @@ export const MDEX_ROUTER_BY_CHAIN_ID = valueByChainId<string>(
     NULL_ADDRESS,
 );
 
+export const KNIGHTSWAP_ROUTER_BY_CHAIN_ID = valueByChainId<string>(
+    {
+        [ChainId.BSC]: '0x05E61E0cDcD2170a76F9568a110CEe3AFdD6c46f',
+    },
+    NULL_ADDRESS,
+);
+
 export const MOONISWAP_REGISTRIES_BY_CHAIN_ID = valueByChainId(
     {
         [ChainId.Mainnet]: ['0xbaf9a5d4b0052359326a6cdab54babaa3a3a9643'],
@@ -2490,6 +2499,7 @@ export const DEFAULT_GAS_SCHEDULE: Required<FeeSchedule> = {
     [ERC20BridgeSource.ShibaSwap]: uniswapV2CloneGasSchedule,
     [ERC20BridgeSource.BiSwap]: uniswapV2CloneGasSchedule,
     [ERC20BridgeSource.MDex]: uniswapV2CloneGasSchedule,
+    [ERC20BridgeSource.KnightSwap]: uniswapV2CloneGasSchedule,
     [ERC20BridgeSource.Balancer]: () => 120e3,
     [ERC20BridgeSource.BalancerV2]: (fillData?: FillData) => {
         return 100e3 + ((fillData as BalancerV2BatchSwapFillData).swapSteps.length - 1) * 50e3;

packages/asset-swapper/src/utils/market_operation_utils/orders.ts

@@ -204,6 +204,8 @@ export function getErc20BridgeSourceToBridgeSource(source: ERC20BridgeSource): s
             return encodeBridgeSourceId(BridgeProtocol.UniswapV2, 'BiSwap');
         case ERC20BridgeSource.MDex:
             return encodeBridgeSourceId(BridgeProtocol.UniswapV2, 'MDex');
+        case ERC20BridgeSource.KnightSwap:
+            return encodeBridgeSourceId(BridgeProtocol.UniswapV2, 'KnightSwap');
         case ERC20BridgeSource.GMX:
             return encodeBridgeSourceId(BridgeProtocol.GMX, 'GMX');
         case ERC20BridgeSource.Platypus:
@@ -303,6 +305,7 @@ export function createBridgeDataForBridgeOrder(order: OptimizedMarketBridgeOrder
         case ERC20BridgeSource.MorpheusSwap:
         case ERC20BridgeSource.BiSwap:
         case ERC20BridgeSource.MDex:
+        case ERC20BridgeSource.KnightSwap:
         case ERC20BridgeSource.Yoshi:
         case ERC20BridgeSource.MeshSwap:
             const uniswapV2FillData = (order as OptimizedMarketBridgeOrder<UniswapV2FillData>).fillData;
@@ -529,6 +532,7 @@ export const BRIDGE_ENCODERS: {
     [ERC20BridgeSource.MorpheusSwap]: routerAddressPathEncoder,
     [ERC20BridgeSource.BiSwap]: routerAddressPathEncoder,
     [ERC20BridgeSource.MDex]: routerAddressPathEncoder,
+    [ERC20BridgeSource.KnightSwap]: routerAddressPathEncoder,
     [ERC20BridgeSource.Yoshi]: routerAddressPathEncoder,
     [ERC20BridgeSource.MeshSwap]: routerAddressPathEncoder,
     // Avalanche

packages/asset-swapper/src/utils/market_operation_utils/sampler_operations.ts

@@ -1449,6 +1449,7 @@ export class SamplerOperations {
                     case ERC20BridgeSource.MorpheusSwap:
                     case ERC20BridgeSource.BiSwap:
                     case ERC20BridgeSource.MDex:
+                    case ERC20BridgeSource.KnightSwap:
                     case ERC20BridgeSource.MeshSwap:
                         const uniLikeRouter = uniswapV2LikeRouterAddress(this.chainId, source);
                         if (!isValidAddress(uniLikeRouter)) {
@@ -1792,6 +1793,7 @@ export class SamplerOperations {
                     case ERC20BridgeSource.MorpheusSwap:
                     case ERC20BridgeSource.BiSwap:
                     case ERC20BridgeSource.MDex:
+                    case ERC20BridgeSource.KnightSwap:
                     case ERC20BridgeSource.MeshSwap:
                         const uniLikeRouter = uniswapV2LikeRouterAddress(this.chainId, source);
                         if (!isValidAddress(uniLikeRouter)) {

packages/asset-swapper/src/utils/market_operation_utils/types.ts

@@ -72,6 +72,7 @@ export enum ERC20BridgeSource {
     PancakeSwapV2 = 'PancakeSwap_V2',
     BiSwap = 'BiSwap',
     MDex = 'MDex',
+    KnightSwap = 'KnightSwap',
     BakerySwap = 'BakerySwap',
     Nerve = 'Nerve',
     Belt = 'Belt',