@brian-ai/ee-portals-solver/dist/index.cjs

> ⚠️ README: work in progress.

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
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        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var index_exports = {};
__export(index_exports, {
  PortalsSolver: () => PortalsSolver
});
module.exports = __toCommonJS(index_exports);
var import_ee_core4 = require("@brian-ai/ee-core");

// src/actions/deposit.ts
var import_ky = __toESM(require("ky"), 1);
var import_viem = require("viem");

// src/constants.ts
var NATIVE_ADDRESS = "0x0000000000000000000000000000000000000000";

// src/utils.ts
var ADJUSTED_CHAINS_NAME_PORTALS = {
  "arbitrum one": "arbitrum",
  "op mainnet": "optimism",
  avalanche: "avalanche",
  "bnb smart chain": "bsc",
  gnosis: "gnosis",
  polygon: "polygon",
  base: "base",
  ethereum: "ethereum",
  fantom: "fantom"
};

// src/actions/deposit.ts
var import_ee_core = require("@brian-ai/ee-core");
var portalsDeposit = async ({
  apiUrl: inputApiUrl,
  apiKey,
  feeReceiver,
  fee,
  slippage,
  chain,
  address,
  inputToken,
  outputToken,
  amount
}) => {
  const adjustedChainName = ADJUSTED_CHAINS_NAME_PORTALS[chain.name.toLowerCase()];
  const publicClient = (0, import_viem.createPublicClient)({
    chain,
    transport: (0, import_viem.http)()
  });
  const blockNumber = await publicClient.getBlockNumber();
  const tokens = `${adjustedChainName.toLowerCase()}:${outputToken}`;
  const tokenInfoUrl = `${inputApiUrl}/tokens?ids=${tokens}&networks=${adjustedChainName.toLowerCase()}&sortBy=liquidity&sortDirection=desc`;
  const tokenOut = await fetch(tokenInfoUrl, {
    headers: {
      Authorization: `Bearer ${apiKey}`
    }
  });
  const tokenOutJson = await tokenOut.json();
  const tokenOutAddress = tokenOutJson.tokens[0].address;
  if (!tokenOut) {
    return Promise.reject("Portals: token not supported");
  }
  const depositUrl = `${inputApiUrl}/portal?sender=${address}&inputToken=${adjustedChainName.toLowerCase()}%3A${inputToken}&inputAmount=${amount}&outputToken=${adjustedChainName.toLowerCase()}%3A${tokenOutAddress}&slippageTolerancePercentage=${slippage}&partner=${feeReceiver}&feePercentage=${fee}&validate=false`;
  const data = await import_ky.default.get(depositUrl, {
    headers: {
      "Content-Type": "application/json",
      Authorization: `Bearer ${apiKey}`
    }
  }).json();
  const steps = [
    {
      chainId: chain.id,
      blockNumber: Number(blockNumber),
      from: data.tx.from,
      to: data.tx.to,
      gasLimit: "100000",
      gasPrice: void 0,
      data: data.tx.data,
      value: data.tx.value
    }
  ];
  if (inputToken !== NATIVE_ADDRESS) {
    const approveAmount = await (0, import_ee_core.getAmountToApprove)(
      inputToken,
      address,
      data.tx.to,
      amount,
      chain
    );
    if (approveAmount > 0n) {
      steps.unshift({
        chainId: chain.id,
        blockNumber: Number(blockNumber),
        from: address,
        to: inputToken,
        gasLimit: "80000",
        gasPrice: void 0,
        data: (0, import_viem.encodeFunctionData)({
          abi: import_viem.erc20Abi,
          functionName: "approve",
          args: [data.tx.to, approveAmount]
        }),
        value: "0"
      });
    }
  }
  return steps;
};

// src/actions/withdraw.ts
var import_ky2 = __toESM(require("ky"), 1);
var import_viem2 = require("viem");
var import_ee_core2 = require("@brian-ai/ee-core");
var portalsWithdraw = async ({
  apiUrl: inputApiUrl,
  apiKey,
  feeReceiver,
  fee,
  slippage,
  chain,
  address,
  inputToken,
  outputToken,
  amount
}) => {
  const adjustedChainName = ADJUSTED_CHAINS_NAME_PORTALS[chain.name.toLowerCase()];
  const publicClient = (0, import_viem2.createPublicClient)({
    chain,
    transport: (0, import_viem2.http)()
  });
  const blockNumber = await publicClient.getBlockNumber();
  const tokens = `${adjustedChainName.toLowerCase()}:${outputToken}`;
  const tokenInfoUrl = `${inputApiUrl}/tokens?ids=${tokens}&networks=${adjustedChainName.toLowerCase()}&sortBy=liquidity&sortDirection=desc`;
  const tokenOut = await fetch(tokenInfoUrl, {
    headers: {
      Authorization: `Bearer ${apiKey}`
    }
  });
  const tokenOutJson = await tokenOut.json();
  const tokenOutAddress = tokenOutJson.tokens[0].address;
  if (!tokenOut) {
    return Promise.reject("Portals: token not supported");
  }
  const withdrawUrl = `${inputApiUrl}/portal?sender=${address}&inputToken=${adjustedChainName.toLowerCase()}%3A${inputToken}&inputAmount=${amount}&outputToken=${adjustedChainName.toLowerCase()}%3A${tokenOutAddress}&slippageTolerancePercentage=${slippage}&partner=${feeReceiver}&feePercentage=${fee}&validate=false`;
  const data = await import_ky2.default.get(withdrawUrl, {
    headers: {
      "Content-Type": "application/json",
      Authorization: `Bearer ${apiKey}`
    }
  }).json();
  const steps = [
    {
      chainId: chain.id,
      blockNumber: Number(blockNumber),
      from: data.tx.from,
      to: data.tx.to,
      gasLimit: "100000",
      gasPrice: void 0,
      data: data.tx.data,
      value: data.tx.value
    }
  ];
  if (inputToken !== NATIVE_ADDRESS) {
    const approveAmount = await (0, import_ee_core2.getAmountToApprove)(
      inputToken,
      address,
      data.tx.to,
      amount,
      chain
    );
    if (approveAmount > 0n) {
      steps.unshift({
        chainId: chain.id,
        blockNumber: Number(blockNumber),
        from: address,
        to: inputToken,
        gasLimit: "80000",
        gasPrice: void 0,
        data: (0, import_viem2.encodeFunctionData)({
          abi: import_viem2.erc20Abi,
          functionName: "approve",
          args: [data.tx.to, approveAmount]
        }),
        value: "0"
      });
    }
  }
  return steps;
};

// src/actions/swap.ts
var import_ky3 = __toESM(require("ky"), 1);
var import_viem3 = require("viem");
var import_ee_core3 = require("@brian-ai/ee-core");
var portalsSwap = async ({
  apiUrl: inputApiUrl,
  apiKey,
  feeReceiver,
  fee,
  slippage,
  chain,
  address,
  inputToken,
  outputToken,
  amount
}) => {
  const adjustedChainName = ADJUSTED_CHAINS_NAME_PORTALS[chain.name.toLowerCase()];
  const publicClient = (0, import_viem3.createPublicClient)({
    chain,
    transport: (0, import_viem3.http)()
  });
  const blockNumber = await publicClient.getBlockNumber();
  const swapUrl = `${inputApiUrl}/portal?sender=${address}&inputToken=${adjustedChainName.toLowerCase()}%3A${inputToken}&inputAmount=${amount}&outputToken=${adjustedChainName.toLowerCase()}%3A${outputToken}&slippageTolerancePercentage=${slippage}&partner=${feeReceiver}&feePercentage=${fee}&validate=false`;
  const data = await import_ky3.default.get(swapUrl, {
    headers: {
      "Content-Type": "application/json",
      Authorization: `Bearer ${apiKey}`
    }
  }).json();
  const steps = [
    {
      chainId: chain.id,
      blockNumber: Number(blockNumber),
      from: data.tx.from,
      to: data.tx.to,
      gasLimit: "100000",
      gasPrice: void 0,
      data: data.tx.data,
      value: data.tx.value
    }
  ];
  if (inputToken !== NATIVE_ADDRESS) {
    const approveAmount = await (0, import_ee_core3.getAmountToApprove)(
      inputToken,
      address,
      data.tx.to,
      amount,
      chain
    );
    if (approveAmount > 0n) {
      steps.unshift({
        chainId: chain.id,
        blockNumber: Number(blockNumber),
        from: address,
        to: inputToken,
        gasLimit: "80000",
        gasPrice: void 0,
        data: (0, import_viem3.encodeFunctionData)({
          abi: import_viem3.erc20Abi,
          functionName: "approve",
          args: [data.tx.to, approveAmount]
        }),
        value: "0"
      });
    }
  }
  return steps;
};

// src/index.ts
var PortalsSolver = class extends import_ee_core4.Solver {
  apiKey;
  apiUrl;
  feeReceiver;
  fee = 0.1;
  slippage = 0.5;
  constructor(allowedChains, apiUrl, apiKey, feeReceiver, fee = 0.1, slippage = 0.5) {
    super("portals", allowedChains);
    this.apiUrl = apiUrl;
    this.apiKey = apiKey;
    this.feeReceiver = feeReceiver;
    this.fee = fee;
    this.slippage = slippage;
  }
  async execute(action, data) {
    if (data.chain && !this.allowedChains.includes(data.chain.id)) {
      return Promise.reject(
        `[${this.name} solver] chain ${data.chain.id} not supported.`
      );
    }
    switch (action) {
      case "swap":
        return {
          type: "write",
          solver: this.name,
          data: await portalsSwap({
            ...data,
            apiUrl: this.apiUrl,
            apiKey: this.apiKey,
            feeReceiver: this.feeReceiver,
            fee: this.fee,
            slippage: this.slippage
          })
        };
      case "deposit":
        return {
          type: "write",
          solver: this.name,
          data: await portalsDeposit({
            ...data,
            apiUrl: this.apiUrl,
            apiKey: this.apiKey,
            feeReceiver: this.feeReceiver,
            fee: this.fee,
            slippage: this.slippage
          })
        };
      case "withdraw":
        return {
          type: "write",
          solver: this.name,
          data: await portalsWithdraw({
            ...data,
            apiUrl: this.apiUrl,
            apiKey: this.apiKey,
            feeReceiver: this.feeReceiver,
            fee: this.fee,
            slippage: this.slippage
          })
        };
      default:
        return Promise.reject(
          `[${this.name} solver] action "${action}" not supported.`
        );
    }
  }
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  PortalsSolver
});