feat: integrate Mayan SDK

typescript/README.md

@@ -468,6 +468,7 @@ If you would like to see your wallet provider supported, please open an issue or
 | Jupiter | Swap tokens on Jupiter | [@goat-sdk/plugin-jupiter](https://www.npmjs.com/package/@goat-sdk/plugin-jupiter) |
 | KIM | Swap tokens on KIM | [@goat-sdk/plugin-kim](https://www.npmjs.com/package/@goat-sdk/plugin-kim) |
 | Lulo | Deposit USDC on Lulo | [@goat-sdk/plugin-lulo](https://www.npmjs.com/package/@goat-sdk/plugin-lulo) |
+| Mayan | Cross-chain token swap using Mayan SDK (Solana, EVM, SUI) | [@goat-sdk/plugin-mayan](https://www.npmjs.com/package/@goat-sdk/plugin-mayan) |
 | Meteora | Create liquidity pools on Meteora | [@goat-sdk/plugin-meteora](https://www.npmjs.com/package/@goat-sdk/plugin-meteora) |
 | Mode Governance | Create a governance proposal on Mode | [@goat-sdk/plugin-mode-governance](https://www.npmjs.com/package/@goat-sdk/plugin-mode-governance) |
 | Mode Voting | Vote on a governance proposal on Mode | [@goat-sdk/plugin-mode-voting](https://www.npmjs.com/package/@goat-sdk/plugin-mode-voting) |

typescript/packages/plugins/mayan/README.md

@@ -0,0 +1,24 @@
+# Mayan GOAT Plugin
+
+Cross-chain token swap using Mayan SDK (Solana, EVM, SUI)
+
+## Installation
+```bash
+npm install @goat-sdk/plugin-mayan
+```
+
+## Usage
+```typescript
+import { mayan } from '@goat-sdk/plugin-mayan';
+
+const tools = await getOnChainTools({
+    wallet: // ...
+    plugins: [
+       mayan()
+    ]
+});
+```
+
+## Tools
+- Swap from Solana to Solana, EVM, SUI
+- Swap from EVM to EVM, Solana, SUI

typescript/packages/plugins/mayan/package.json

@@ -0,0 +1,39 @@
+{
+    "name": "@goat-sdk/plugin-mayan",
+    "version": "0.1.0",
+    "files": ["dist/**/*", "README.md", "package.json"],
+    "scripts": {
+        "build": "tsup",
+        "clean": "rm -rf dist",
+        "test": "vitest run --passWithNoTests"
+    },
+    "main": "./dist/index.js",
+    "module": "./dist/index.mjs",
+    "types": "./dist/index.d.ts",
+    "sideEffects": false,
+    "homepage": "https://ohmygoat.dev",
+    "repository": {
+        "type": "git",
+        "url": "git+https://github.com/goat-sdk/goat.git"
+    },
+    "license": "MIT",
+    "bugs": {
+        "url": "https://github.com/goat-sdk/goat/issues"
+    },
+    "keywords": ["ai", "agents", "web3"],
+    "dependencies": {
+        "@goat-sdk/core": "workspace:*",
+        "@goat-sdk/wallet-evm": "workspace:*",
+        "@goat-sdk/wallet-solana": "workspace:*",
+        "@goat-sdk/wallet-sui": "workspace:*",
+        "@goat-sdk/wallet-viem": "workspace:*",
+        "@mayanfinance/swap-sdk": "10.2.0",
+        "@mysten/sui": "^1.18.0",
+        "@solana/web3.js": "catalog:",
+        "abitype": "1.0.8",
+        "bs58": "^6.0.0",
+        "ethers": "6.13.5",
+        "viem": "catalog:",
+        "zod": "catalog:"
+    }
+}

typescript/packages/plugins/mayan/src/index.ts

@@ -0,0 +1,2 @@
+export * from "./mayan.plugin";
+export * from "./parameters";

typescript/packages/plugins/mayan/src/mayan.plugin.ts

@@ -0,0 +1,14 @@
+import { Chain, PluginBase } from "@goat-sdk/core";
+import { MayanService } from "./mayan.service";
+
+export class MayanPlugin extends PluginBase {
+    constructor() {
+        super("mayan", [new MayanService()]);
+    }
+
+    supportsChain = (chain: Chain) => ["sui", "evm", "solana"].includes(chain.type);
+}
+
+export function mayan() {
+    return new MayanPlugin();
+}

typescript/packages/plugins/mayan/src/mayan.service.ts

@@ -0,0 +1,298 @@
+import { Tool } from "@goat-sdk/core";
+import { EVMWalletClient } from "@goat-sdk/wallet-evm";
+import { SolanaWalletClient } from "@goat-sdk/wallet-solana";
+import {
+    ChainName,
+    Erc20Permit,
+    Quote,
+    addresses,
+    createSwapFromSolanaInstructions,
+    fetchQuote,
+    fetchTokenList,
+    getSwapFromEvmTxPayload,
+} from "@mayanfinance/swap-sdk";
+import { TypedDataDomain } from "abitype";
+import { Signature, TypedDataEncoder } from "ethers";
+import { parseAbi } from "viem";
+import { EVMSwapParameters, SwapParameters } from "./parameters";
+
+const ERC20_ABI = parseAbi([
+    "function allowance(address owner, address spender) external view returns (uint256)",
+    "function approve(address spender, uint256 amount) external returns (bool)",
+    "function nonces(address owner) external returns (uint256)",
+    "function name() external returns (string)",
+    "function DOMAIN_SEPARATOR() external returns (bytes32)",
+    "function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s)",
+]);
+
+export class MayanService {
+    @Tool({
+        name: "mayan_swap_from_solana",
+        description: "Swap from solana to solana, EVM, sui chain",
+    })
+    async swapSolanaTool(walletClient: SolanaWalletClient, params: SwapParameters): Promise<string> {
+        if (params.fromToken.length < 32) {
+            params.fromToken = await this.findTokenContract(params.fromToken, "solana");
+        }
+        if (params.toToken.length < 32) {
+            params.toToken = await this.findTokenContract(params.toToken, params.toChain);
+        }
+
+        const quotes = await fetchQuote({
+            amount: +params.amount,
+            fromChain: "solana",
+            toChain: params.toChain as ChainName,
+            fromToken: params.fromToken,
+            toToken: params.toToken,
+            slippageBps: params.slippageBps ?? "auto",
+        });
+        if (quotes.length === 0) {
+            throw new Error("There is no quote available for the tokens you requested.");
+        }
+
+        const { instructions, signers, lookupTables } = await createSwapFromSolanaInstructions(
+            quotes[0],
+            walletClient.getAddress(),
+            params.dstAddr,
+            null,
+            walletClient.getConnection(),
+        );
+        let hash: string;
+        try {
+            hash = (
+                await walletClient.sendTransaction({
+                    instructions,
+                    addressLookupTableAddresses: lookupTables.map((a) => a.key.toString()),
+                    accountsToSign: signers,
+                })
+            ).hash;
+        } catch (error) {
+            if (!hasSignatureProperty(error) || !error.signature) {
+                throw error;
+            }
+
+            await new Promise((f) => setTimeout(f, 3000));
+            hash = error.signature;
+            const res = await fetch(`https://explorer-api.mayan.finance/v3/swap/trx/${hash}`);
+            if (res.status !== 200) {
+                throw error;
+            }
+        }
+
+        return `https://explorer.mayan.finance/swap/${hash}`;
+    }
+
+    @Tool({
+        name: "mayan_swap_from_evm",
+        description: "Swap from EVM to solana, EVM, sui chain",
+    })
+    async swapEVMTool(walletClient: EVMWalletClient, params: EVMSwapParameters): Promise<string> {
+        if (params.fromToken.length < 32) {
+            params.fromToken = await this.findTokenContract(params.fromToken, params.fromChain);
+        }
+        if (params.toToken.length < 32) {
+            params.toToken = await this.findTokenContract(params.toToken, params.toChain);
+        }
+
+        const quotes = await fetchQuote({
+            amount: +params.amount,
+            fromChain: params.fromChain as ChainName,
+            toChain: params.toChain as ChainName,
+            fromToken: params.fromToken,
+            toToken: params.toToken,
+            slippageBps: params.slippageBps ?? "auto",
+        });
+        if (quotes.length === 0) {
+            throw new Error("There is no quote available for the tokens you requested.");
+        }
+
+        const amountIn = BigInt(quotes[0].effectiveAmountIn64);
+        const allowance: bigint = (await this.callERC20(walletClient, params.fromToken, "allowance", [
+            walletClient.getAddress(),
+            addresses.MAYAN_FORWARDER_CONTRACT,
+        ])) as bigint;
+        if (allowance < amountIn) {
+            // Approve the spender to spend the tokens
+            const approveTx = (await this.callERC20(walletClient, params.fromToken, "approve", [
+                addresses.MAYAN_FORWARDER_CONTRACT,
+                amountIn,
+            ])) as boolean;
+            if (!approveTx) {
+                throw new Error("couldn't get approve for spending allowance");
+            }
+        }
+
+        let permit: Erc20Permit | undefined;
+        if (quotes[0].fromToken.supportsPermit) {
+            permit = await this.getERC20Permit(walletClient, quotes[0], amountIn);
+        }
+
+        const transactionReq = getSwapFromEvmTxPayload(
+            quotes[0],
+            walletClient.getAddress(),
+            params.dstAddr,
+            null,
+            walletClient.getAddress(),
+            walletClient.getChain().id,
+            null,
+            permit,
+        );
+        const { hash } = await walletClient.sendTransaction({
+            to: transactionReq.to as string,
+            value: transactionReq.value ? BigInt(transactionReq.value) : undefined,
+            data: transactionReq.data ? (transactionReq.data as `0x${string}`) : undefined,
+        });
+
+        return `https://explorer.mayan.finance/swap/${hash}`;
+    }
+
+    //SuiKeyPairWalletClien isn't exported from @goat-sdk/wallet-sui
+    //so I couldn't test this.
+    //@Tool({
+    //    name: "mayan_swap_from_sui",
+    //    description: "Swap from sui to solana, EVM, sui chain",
+    //})
+    //async swapSUITool(
+    //    walletClient: SuiWalletClient,
+    //    params: SwapParameters
+    //): Promise<string> {
+    //    if (params.fromToken.length < 32) {
+    //        params.fromToken = await this.findTokenContract(
+    //            params.fromToken,
+    //            "sui"
+    //        );
+    //    }
+    //    if (params.toToken.length < 32) {
+    //        params.toToken = await this.findTokenContract(
+    //            params.toToken,
+    //            params.toChain
+    //        );
+    //    }
+    //
+    //    const quotes = await fetchQuote({
+    //        amount: +params.amount,
+    //        fromChain: "sui",
+    //        toChain: params.toChain as ChainName,
+    //        fromToken: params.fromToken,
+    //        toToken: params.toToken,
+    //        slippageBps: params.slippageBps ?? "auto",
+    //    });
+    //    if (quotes.length === 0) {
+    //        throw new Error(
+    //            "There is no quote available for the tokens you requested."
+    //        );
+    //    }
+    //
+    //    const transaction = await createSwapFromSuiMoveCalls(
+    //        quotes[0],
+    //        walletClient.getAddress(),
+    //        params.dstAddr,
+    //        null,
+    //        null,
+    //        walletClient.getClient()
+    //    );
+    //    const { hash } = await walletClient.sendTransaction({ transaction });
+    //
+    //    return `https://explorer.mayan.finance/swap/${hash}`;
+    //}
+
+    private async findTokenContract(symbol: string, chain: string): Promise<string> {
+        const tokens = await fetchTokenList(chain as ChainName, true);
+        const token = tokens.find((t) => t.symbol.toLowerCase() === symbol.toLowerCase());
+        if (!token) {
+            throw new Error(`Couldn't find token with ${symbol} symbol`);
+        }
+
+        return token.contract;
+    }
+
+    private async callERC20(
+        walletClient: EVMWalletClient,
+        contract: string,
+        functionName: string,
+        args?: unknown[],
+    ): Promise<unknown> {
+        const ret = await walletClient.read({
+            address: contract,
+            abi: ERC20_ABI,
+            functionName,
+            args,
+        });
+        return ret.value;
+    }
+
+    private async getERC20Permit(walletClient: EVMWalletClient, quote: Quote, amountIn: bigint): Promise<Erc20Permit> {
+        const deadline = Math.floor(Date.now() / 1000) + 3600; // 1 hour from now
+        const spender = addresses.MAYAN_FORWARDER_CONTRACT;
+        const walletSrcAddr = walletClient.getAddress();
+        const nonce = (await this.callERC20(walletClient, quote.fromToken.contract, "nonces", [
+            walletSrcAddr,
+        ])) as bigint;
+        const name = (await this.callERC20(walletClient, quote.fromToken.contract, "name")) as string;
+
+        const domain: TypedDataDomain = {
+            name,
+            version: "1",
+            chainId: quote.fromToken.chainId,
+            verifyingContract: quote.fromToken.contract as `0x${string}`,
+        };
+        const domainSeparator = (await this.callERC20(
+            walletClient,
+            quote.fromToken.contract,
+            "DOMAIN_SEPARATOR",
+        )) as string;
+        for (let i = 1; i < 11; i++) {
+            domain.version = String(i);
+            const hash = TypedDataEncoder.hashDomain(domain);
+            if (hash.toLowerCase() === domainSeparator.toLowerCase()) {
+                break;
+            }
+        }
+
+        const types = {
+            Permit: [
+                { name: "owner", type: "address" },
+                { name: "spender", type: "address" },
+                { name: "value", type: "uint256" },
+                { name: "nonce", type: "uint256" },
+                { name: "deadline", type: "uint256" },
+            ],
+        };
+        const value = {
+            owner: walletSrcAddr,
+            spender,
+            value: amountIn,
+            nonce,
+            deadline,
+        };
+
+        const { signature } = await walletClient.signTypedData({
+            domain,
+            types,
+            primaryType: "Permit",
+            message: value,
+        });
+        const { v, r, s } = Signature.from(signature);
+        await this.callERC20(walletClient, quote.fromToken.contract, "permit", [
+            walletSrcAddr,
+            spender,
+            amountIn,
+            deadline,
+            v,
+            r,
+            s,
+        ]);
+
+        return {
+            value: amountIn,
+            deadline,
+            v,
+            r,
+            s,
+        };
+    }
+}
+
+function hasSignatureProperty(error: unknown): error is { signature?: string } {
+    return typeof error === "object" && error !== null && "signature" in error;
+}