{"version":3,"sources":["../../../../src/upto/server/scheme.ts"],"sourcesContent":["import {\n  AssetAmount,\n  Network,\n  PaymentFlowConfig,\n  PaymentRequirements,\n  Price,\n  SchemeNetworkServer,\n  MoneyParser,\n} from \"@bankofai/x402-core/types\";\nimport { convertToTokenAmount, parseMoney } from \"@bankofai/x402-core/utils\";\nimport { getAddress } from \"viem\";\nimport { findDefaultAsset, getDefaultAsset } from \"../../defaultAssets\";\nimport type { AssetTransferMethod } from \"../../types\";\n\n/**\n * EVM server implementation for the Upto payment scheme.\n * Handles price parsing, payment requirements enhancement, and default asset resolution.\n */\nexport class UptoEvmScheme implements SchemeNetworkServer {\n  readonly scheme = \"upto\";\n  readonly defaultAssetTransferMethod: AssetTransferMethod = \"permit2\";\n  readonly paymentFlows = {\n    permit2: { supported: [\"authorization\"], default: \"authorization\" },\n  } as const satisfies Record<\"permit2\", PaymentFlowConfig>;\n  private moneyParsers: MoneyParser[] = [];\n\n  /**\n   * Registers a custom money parser for converting prices to asset amounts.\n   *\n   * @param parser - The money parser function to register\n   * @returns This instance for chaining\n   */\n  registerMoneyParser(parser: MoneyParser): UptoEvmScheme {\n    this.moneyParsers.push(parser);\n    return this;\n  }\n\n  /**\n   * Decimals for a known default asset, or undefined.\n   *\n   * @param asset - Asset address or symbol\n   * @param network - Target network\n   * @returns Decimals when the asset is a known default; otherwise undefined\n   */\n  getAssetDecimals(asset: string, network: Network): number | undefined {\n    return findDefaultAsset(asset, network)?.decimals;\n  }\n\n  /**\n   * Parses a price into an asset amount for the given network.\n   *\n   * @param price - The price to parse (string, number, or AssetAmount)\n   * @param network - The target network\n   * @returns Promise resolving to an asset amount\n   */\n  async parsePrice(price: Price, network: Network): Promise<AssetAmount> {\n    if (typeof price === \"object\" && price !== null && \"amount\" in price) {\n      if (!price.asset) {\n        throw new Error(`Asset address must be specified for AssetAmount on network ${network}`);\n      }\n      return {\n        amount: price.amount,\n        asset: price.asset,\n        extra: price.extra || {},\n      };\n    }\n\n    const { amount, symbol } = parseMoney(price);\n\n    for (const parser of this.moneyParsers) {\n      const result = await parser(amount, network);\n      if (result !== null) {\n        return result;\n      }\n    }\n\n    return this.defaultMoneyConversion(amount, network, symbol);\n  }\n\n  /**\n   * Enhances payment requirements with upto-specific metadata.\n   *\n   * @param paymentRequirements - The base payment requirements\n   * @param supportedKind - The supported scheme/network kind\n   * @param supportedKind.x402Version - The x402 protocol version\n   * @param supportedKind.scheme - The payment scheme name\n   * @param supportedKind.network - The target network\n   * @param supportedKind.extra - Optional extra metadata\n   * @param extensionKeys - Extension keys to include\n   * @returns Promise resolving to enhanced payment requirements\n   */\n  enhancePaymentRequirements(\n    paymentRequirements: PaymentRequirements,\n    supportedKind: {\n      x402Version: number;\n      scheme: string;\n      network: Network;\n      extra?: Record<string, unknown>;\n    },\n    extensionKeys: string[],\n  ): Promise<PaymentRequirements> {\n    void extensionKeys;\n    return Promise.resolve({\n      ...paymentRequirements,\n      extra: {\n        ...paymentRequirements.extra,\n        assetTransferMethod: \"permit2\",\n        ...(supportedKind.extra?.facilitatorAddress\n          ? { facilitatorAddress: getAddress(supportedKind.extra.facilitatorAddress as string) }\n          : {}),\n      },\n    });\n  }\n\n  /**\n   * Converts a decimal dollar amount to an AssetAmount using the default token for the network.\n   *\n   * @param amount - The decimal amount as a string\n   * @param network - The target network\n   * @param symbol - Optional ticker from a suffixed price\n   * @returns The converted asset amount with token metadata\n   */\n  private defaultMoneyConversion(amount: string, network: Network, symbol?: string): AssetAmount {\n    const assetInfo = getDefaultAsset(network, symbol);\n    const tokenAmount = convertToTokenAmount(amount, assetInfo.decimals);\n\n    return {\n      amount: tokenAmount,\n      asset: assetInfo.asset,\n      extra: {\n        name: assetInfo.name,\n        version: assetInfo.version,\n        assetTransferMethod: \"permit2\",\n      },\n    };\n  }\n}\n"],"mappings":";;;;;;;AASA,SAAS,sBAAsB,kBAAkB;AACjD,SAAS,kBAAkB;AAQpB,IAAM,gBAAN,MAAmD;AAAA,EAAnD;AACL,SAAS,SAAS;AAClB,SAAS,6BAAkD;AAC3D,SAAS,eAAe;AAAA,MACtB,SAAS,EAAE,WAAW,CAAC,eAAe,GAAG,SAAS,gBAAgB;AAAA,IACpE;AACA,SAAQ,eAA8B,CAAC;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EAQvC,oBAAoB,QAAoC;AACtD,SAAK,aAAa,KAAK,MAAM;AAC7B,WAAO;AAAA,EACT;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EASA,iBAAiB,OAAe,SAAsC;AACpE,WAAO,iBAAiB,OAAO,OAAO,GAAG;AAAA,EAC3C;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EASA,MAAM,WAAW,OAAc,SAAwC;AACrE,QAAI,OAAO,UAAU,YAAY,UAAU,QAAQ,YAAY,OAAO;AACpE,UAAI,CAAC,MAAM,OAAO;AAChB,cAAM,IAAI,MAAM,8DAA8D,OAAO,EAAE;AAAA,MACzF;AACA,aAAO;AAAA,QACL,QAAQ,MAAM;AAAA,QACd,OAAO,MAAM;AAAA,QACb,OAAO,MAAM,SAAS,CAAC;AAAA,MACzB;AAAA,IACF;AAEA,UAAM,EAAE,QAAQ,OAAO,IAAI,WAAW,KAAK;AAE3C,eAAW,UAAU,KAAK,cAAc;AACtC,YAAM,SAAS,MAAM,OAAO,QAAQ,OAAO;AAC3C,UAAI,WAAW,MAAM;AACnB,eAAO;AAAA,MACT;AAAA,IACF;AAEA,WAAO,KAAK,uBAAuB,QAAQ,SAAS,MAAM;AAAA,EAC5D;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EAcA,2BACE,qBACA,eAMA,eAC8B;AAC9B,SAAK;AACL,WAAO,QAAQ,QAAQ;AAAA,MACrB,GAAG;AAAA,MACH,OAAO;AAAA,QACL,GAAG,oBAAoB;AAAA,QACvB,qBAAqB;AAAA,QACrB,GAAI,cAAc,OAAO,qBACrB,EAAE,oBAAoB,WAAW,cAAc,MAAM,kBAA4B,EAAE,IACnF,CAAC;AAAA,MACP;AAAA,IACF,CAAC;AAAA,EACH;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EAUQ,uBAAuB,QAAgB,SAAkB,QAA8B;AAC7F,UAAM,YAAY,gBAAgB,SAAS,MAAM;AACjD,UAAM,cAAc,qBAAqB,QAAQ,UAAU,QAAQ;AAEnE,WAAO;AAAA,MACL,QAAQ;AAAA,MACR,OAAO,UAAU;AAAA,MACjB,OAAO;AAAA,QACL,MAAM,UAAU;AAAA,QAChB,SAAS,UAAU;AAAA,QACnB,qBAAqB;AAAA,MACvB;AAAA,IACF;AAAA,EACF;AACF;","names":[]}