Add Ekubo integration

package.json

@@ -17,6 +17,7 @@
 		"@chakra-ui/icons": "^2.0.12",
 		"@chakra-ui/react": "2.8.2",
 		"@defillama/sdk": "^3.0.25",
+		"@ekubo/evm-hyper-router-sdk": "0.1.0-alpha.1",
 		"@emotion/react": "^11",
 		"@emotion/styled": "^11",
 		"@rainbow-me/rainbowkit": "^2.2.8",

src/components/Aggregator/adapters/ekubo.ts

@@ -0,0 +1,153 @@
+import { sendTx } from '../utils/sendTx';
+import { getTxs } from '../utils/getTxs';
+import { zeroAddress, pad, Hex } from 'viem';
+import { MAINNET_ADDRESS, MultiHop, Parameters, generateCalldata } from '@ekubo/evm-hyper-router-sdk';
+
+export const chainToId = {
+	ethereum: 1,
+};
+
+export const name = 'Ekubo';
+export const token = 'EKUBO';
+export const referral = false;
+export const isOutputAvailable = true;
+
+const logo = 'https://app.ekubo.org/logo.svg';
+
+export function approvalAddress(chain: string) {
+	if (chain === 'ethereum') return MAINNET_ADDRESS;
+	throw new Error('Ekubo: unsupported network');
+}
+
+export function ekuboApiEndpoint(chain: string) {
+	if (chain === 'ethereum') return 'https://eth-mainnet-quoter-api.ekubo.org';
+	throw new Error('Ekubo: unsupported network');
+}
+
+function normalizeAddress(address: string): Hex {
+	if (address === zeroAddress) return zeroAddress;
+	return pad(address as Hex, { size: 20 });
+}
+
+function normalizeConfig(config: string): Hex {
+	return pad(config as Hex, { size: 32 });
+}
+
+export async function getQuote(chain: string, from: string, to: string, amount: string, extra) {
+	const ekuboRouter = approvalAddress(chain);
+	const quoterEndpoint = ekuboApiEndpoint(chain);
+	const isExactOut = extra.amountOut && extra.amountOut !== '0';
+
+	// Call Ekubo API - for exact out, we swap the tokens and negate the amount
+	const apiUrl = isExactOut 
+		? `${quoterEndpoint}/-${extra.amountOut}/${to}/${from}`
+		: `${quoterEndpoint}/${amount}/${from}/${to}`;
+
+	const data = await fetch(apiUrl).then((r) => r.json());
+
+	if (!data.splits || data.splits.length === 0) {
+		throw new Error('[Ekubo] No valid routes found');
+	}
+
+	const multiHops: MultiHop[] = data.splits.map(split => {
+		return {
+			specifiedAmount: BigInt(split.amount_specified),
+			hops: split.route.map(hop => {
+				if (hop.swap) {
+					return {
+						type: "swap",
+						poolKey: {
+							config: normalizeConfig(hop.swap.pool_key.config),
+							token0: normalizeAddress(hop.swap.pool_key.token0),
+							token1: normalizeAddress(hop.swap.pool_key.token1)
+						},
+						skipAhead: hop.swap.skip_ahead,
+						sqrtRatioLimit: BigInt(hop.swap.sqrt_ratio_limit)
+					}
+				} else {
+					return {
+						type: "wrappedToken",
+						underlying: normalizeAddress(hop.wrapped_token.underlying),
+						wrapped: normalizeAddress(hop.wrapped_token.wrapped)
+					}
+				}
+			})
+		}
+	})
+
+	const slippageFactor = extra.slippage ? parseFloat(extra.slippage) / 100 : 0.001;
+
+	let amountReturned, amountIn, calculatedAmountThreshold;
+
+	// Apply slippage
+	if (isExactOut) {
+		// For exact out, amountIn is adjusted upwards
+		// total_calculated and calculatedAmountThreshold should be negative
+		amountIn = BigInt(Math.floor(Math.abs(data.total_calculated))).toString();
+		amountReturned = extra.amountOut;
+		calculatedAmountThreshold = -BigInt(Math.ceil(amountIn * (1 + slippageFactor)));
+	} else {
+		// For exact in, amountReturned is adjusted downwards
+		amountIn = amount;
+		amountReturned = data.total_calculated;
+		calculatedAmountThreshold = BigInt(Math.floor(amountReturned * (1 - slippageFactor)));
+	}
+
+	const calldata = generateCalldata({
+		specifiedToken: isExactOut ? to : from,
+		multiHops: multiHops,
+		calculatedAmountThreshold
+	} as Parameters);
+
+	const rawQuote = extra.userAddress !== zeroAddress ? {
+		from: extra.userAddress,
+		to: ekuboRouter,
+		data: calldata,
+		value: from === zeroAddress ? (isExactOut ? -calculatedAmountThreshold : amountIn) : '0'
+	} : null;
+
+	// Base transaction costs + swap execution + token transfers
+	const estimatedGas = 21000 + data.estimated_gas_cost + (from === zeroAddress ? 0 : 30000) + (to === zeroAddress ? 0 : 30000);
+
+	const result = {
+		amountIn,
+		amountReturned,
+		estimatedGas,
+		tokenApprovalAddress: ekuboRouter,
+		rawQuote,
+		logo
+	};
+
+	return result;
+}
+
+export async function swap({ tokens, fromAmount, rawQuote, eip5792 }) {
+	const txs = getTxs({
+		fromAddress: rawQuote.from,
+		routerAddress: rawQuote.to,
+		data: rawQuote.data,
+		value: rawQuote.value,
+		fromTokenAddress: tokens.fromToken.address,
+		fromAmount,
+		eip5792,
+		tokenApprovalAddress: rawQuote.to
+	});
+
+	const tx = await sendTx(txs);
+
+	return tx;
+}
+
+export const getTxData = ({ rawQuote }) => rawQuote?.data;
+
+export const getTx = ({ rawQuote }) => {
+	if (rawQuote === null) {
+		return {};
+	}
+	return {
+		from: rawQuote.from,
+		to: rawQuote.to,
+		data: rawQuote.data,
+		value: rawQuote.value
+	};
+};

src/components/Aggregator/list.ts

@@ -17,8 +17,9 @@ import * as odos from './adapters/odos';
 // import * as krystal from './adapters/krystal'
 import * as matchaGasless from './adapters/0xGasless';
 import * as matchaV2 from './adapters/0xV2';
+import * as ekubo from './adapters/ekubo';
 
-export const adapters = [matcha, cowswap, paraswap, kyberswap, inch, matchaGasless, odos, matchaV2];
+export const adapters = [matcha, cowswap, paraswap, kyberswap, inch, matchaGasless, odos, matchaV2, ekubo];
 
 export const inifiniteApprovalAllowed = [matcha.name, cowswap.name, matchaGasless.name];
 

yarn.lock

@@ -1010,6 +1010,13 @@
   resolved "https://registry.yarnpkg.com/@ecies/ciphers/-/ciphers-0.2.3.tgz#963805e46d07e646550098ac29cbcc5b132218ea"
   integrity sha512-tapn6XhOueMwht3E2UzY0ZZjYokdaw9XtL9kEyjhQ/Fb9vL9xTFbOaI+fV0AWvTpYu4BNloC6getKW6NtSg4mA==
 
+"@ekubo/[email protected]":
+  version "0.1.0-alpha.1"
+  resolved "https://registry.yarnpkg.com/@ekubo/evm-hyper-router-sdk/-/evm-hyper-router-sdk-0.1.0-alpha.1.tgz#15de1ca493c198ab622269b36b9748be70c2b61d"
+  integrity sha512-otWeh/AHJCeKJkFTGG/nPbcDSgdjKggFsPENhn8liHRs/EzbVj7cObAdMqNt9rI3T1ARLwR8t4to9PjDT0jP4w==
+  dependencies:
+    viem "^2.33.0"
+
 "@emotion/babel-plugin@^11.10.5":
   version "11.10.5"
   resolved "https://registry.yarnpkg.com/@emotion/babel-plugin/-/babel-plugin-11.10.5.tgz#65fa6e1790ddc9e23cc22658a4c5dea423c55c3c"
@@ -1978,6 +1985,13 @@
   dependencies:
     "@noble/hashes" "1.7.1"
 
+"@noble/[email protected]":
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/@noble/curves/-/curves-1.9.1.tgz#9654a0bc6c13420ae252ddcf975eaf0f58f0a35c"
+  integrity sha512-k11yZxZg+t+gWvBbIswW0yoJlu8cHOC7dhunwOzoWH/mXGBiYyR4YY6hAEK/3EUs4UpB8la1RfdRpeGsFHkWsA==
+  dependencies:
+    "@noble/hashes" "1.8.0"
+
 "@noble/[email protected]", "@noble/curves@^1.9.1", "@noble/curves@~1.9.0":
   version "1.9.2"
   resolved "https://registry.yarnpkg.com/@noble/curves/-/curves-1.9.2.tgz#73388356ce733922396214a933ff7c95afcef911"
@@ -2995,6 +3009,11 @@ [email protected], abitype@^1.0.8:
   resolved "https://registry.yarnpkg.com/abitype/-/abitype-1.0.8.tgz#3554f28b2e9d6e9f35eb59878193eabd1b9f46ba"
   integrity sha512-ZeiI6h3GnW06uYDLx0etQtX/p8E24UaHHBj57RSjK7YBFe7iuVn07EDpOeP451D06sF27VOz9JJPlIKJmXgkEg==
 
+[email protected], abitype@^1.0.9:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/abitype/-/abitype-1.1.0.tgz#510c5b3f92901877977af5e864841f443bf55406"
+  integrity sha512-6Vh4HcRxNMLA0puzPjM5GBgT4aAcFGKZzSgAXvuZ27shJP6NEpielTuqbBmZILR5/xd0PizkBGy5hReKz9jl5A==
+
 abort-controller@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/abort-controller/-/abort-controller-3.0.0.tgz#eaf54d53b62bae4138e809ca225c8439a6efb392"
@@ -5463,6 +5482,20 @@ [email protected]:
     abitype "^1.0.8"
     eventemitter3 "5.0.1"
 
+[email protected]:
+  version "0.9.3"
+  resolved "https://registry.yarnpkg.com/ox/-/ox-0.9.3.tgz#92cc1008dcd913e919364fd4175c860b3eeb18db"
+  integrity sha512-KzyJP+fPV4uhuuqrTZyok4DC7vFzi7HLUFiUNEmpbyh59htKWkOC98IONC1zgXJPbHAhQgqs6B0Z6StCGhmQvg==
+  dependencies:
+    "@adraffy/ens-normalize" "^1.11.0"
+    "@noble/ciphers" "^1.3.0"
+    "@noble/curves" "1.9.1"
+    "@noble/hashes" "^1.8.0"
+    "@scure/bip32" "^1.7.0"
+    "@scure/bip39" "^1.6.0"
+    abitype "^1.0.9"
+    eventemitter3 "5.0.1"
+
 p-limit@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
@@ -6624,6 +6657,20 @@ viem@^2.1.1:
     webauthn-p256 "0.0.10"
     ws "8.18.0"
 
+viem@^2.33.0:
+  version "2.37.4"
+  resolved "https://registry.yarnpkg.com/viem/-/viem-2.37.4.tgz#94c9e837b4a7ef6f7b6c033487a12625534bd8bc"
+  integrity sha512-1ig5O6l1wJmaw3yrSrUimjRLQEZon2ymTqSDjdntu6Bry1/tLC2GClXeS3SiCzrifpLxzfCLQWDITYVTBA10KA==
+  dependencies:
+    "@noble/curves" "1.9.1"
+    "@noble/hashes" "1.8.0"
+    "@scure/bip32" "1.7.0"
+    "@scure/bip39" "1.6.0"
+    abitype "1.1.0"
+    isows "1.0.7"
+    ox "0.9.3"
+    ws "8.18.3"
+
 [email protected]:
   version "2.15.6"
   resolved "https://registry.yarnpkg.com/wagmi/-/wagmi-2.15.6.tgz#eaad3576f29f383bb082cac53694fae3a9075393"
@@ -6748,6 +6795,11 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/ws/-/ws-8.18.2.tgz#42738b2be57ced85f46154320aabb51ab003705a"
   integrity sha512-DMricUmwGZUVr++AEAe2uiVM7UoO9MAVZMDu05UQOaUII0lp+zOzLLU4Xqh/JvTqklB1T4uELaaPBKyjE1r4fQ==
 
+[email protected]:
+  version "8.18.3"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.18.3.tgz#b56b88abffde62791c639170400c93dcb0c95472"
+  integrity sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==
+
 ws@^7.3.1, ws@^7.5.1:
   version "7.5.9"
   resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.9.tgz#54fa7db29f4c7cec68b1ddd3a89de099942bb591"