{"version":3,"sources":["../../src/facilitator/facilitator.ts","../../src/facilitator/anyspend.ts"],"sourcesContent":["import { verify as verifyExactEvm, settle as settleExactEvm } from \"../schemes/exact/evm\";\nimport { verify as verifyExactSvm, settle as settleExactSvm } from \"../schemes/exact/svm\";\nimport { SupportedEVMNetworks, SupportedSVMNetworks } from \"../types/shared\";\nimport { X402Config } from \"../types/config\";\nimport {\n ConnectedClient as EvmConnectedClient,\n SignerWallet as EvmSignerWallet,\n} from \"../types/shared/evm\";\nimport { ConnectedClient, Signer } from \"../types/shared/wallet\";\nimport {\n PaymentPayload,\n PaymentRequirements,\n SettleResponse,\n VerifyResponse,\n ExactEvmPayload,\n} from \"../types/verify\";\nimport { Chain, Transport, Account } from \"viem\";\nimport { TransactionSigner } from \"@solana/kit\";\n\n/**\n * Verifies a payment payload against the required payment details regardless of the scheme\n * this function wraps all verify functions for each specific scheme\n *\n * @param client - The public client used for blockchain interactions\n * @param payload - The signed payment payload containing transfer parameters and signature\n * @param paymentRequirements - The payment requirements that the payload must satisfy\n * @param config - Optional configuration for X402 operations (e.g., custom RPC URLs)\n * @returns A ValidPaymentRequest indicating if the payment is valid and any invalidation reason\n */\nexport async function verify<\n transport extends Transport,\n chain extends Chain,\n account extends Account | undefined,\n>(\n client: ConnectedClient | Signer,\n payload: PaymentPayload,\n paymentRequirements: PaymentRequirements,\n config?: X402Config,\n): Promise {\n // exact scheme\n if (paymentRequirements.scheme === \"exact\") {\n // evm\n if (SupportedEVMNetworks.includes(paymentRequirements.network)) {\n return verifyExactEvm(\n client as EvmConnectedClient,\n payload,\n paymentRequirements,\n );\n }\n\n // svm\n if (SupportedSVMNetworks.includes(paymentRequirements.network)) {\n return await verifyExactSvm(\n client as TransactionSigner,\n payload,\n paymentRequirements,\n config,\n );\n }\n }\n\n // unsupported scheme\n return {\n isValid: false,\n invalidReason: \"invalid_scheme\",\n payer: SupportedEVMNetworks.includes(paymentRequirements.network)\n ? (payload.payload as ExactEvmPayload).authorization.from\n : \"\",\n };\n}\n\n/**\n * Settles a payment payload against the required payment details regardless of the scheme\n * this function wraps all settle functions for each specific scheme\n *\n * @param client - The signer wallet used for blockchain interactions\n * @param payload - The signed payment payload containing transfer parameters and signature\n * @param paymentRequirements - The payment requirements that the payload must satisfy\n * @param config - Optional configuration for X402 operations (e.g., custom RPC URLs)\n * @returns A SettleResponse indicating if the payment is settled and any settlement reason\n */\nexport async function settle(\n client: Signer,\n payload: PaymentPayload,\n paymentRequirements: PaymentRequirements,\n config?: X402Config,\n): Promise {\n // exact scheme\n if (paymentRequirements.scheme === \"exact\") {\n // evm\n if (SupportedEVMNetworks.includes(paymentRequirements.network)) {\n return await settleExactEvm(\n client as EvmSignerWallet,\n payload,\n paymentRequirements,\n );\n }\n\n // svm\n if (SupportedSVMNetworks.includes(paymentRequirements.network)) {\n return await settleExactSvm(\n client as TransactionSigner,\n payload,\n paymentRequirements,\n config,\n );\n }\n }\n\n return {\n success: false,\n errorReason: \"invalid_scheme\",\n transaction: \"\",\n network: paymentRequirements.network,\n payer: SupportedEVMNetworks.includes(paymentRequirements.network)\n ? (payload.payload as ExactEvmPayload).authorization.from\n : \"\",\n };\n}\n\nexport type Supported = {\n x402Version: number;\n kind: {\n scheme: string;\n networkId: string;\n extra: object;\n }[];\n};\n","import { generateJwt } from \"@coinbase/cdp-sdk/auth\";\nimport { FacilitatorConfig } from \"../types\";\nimport { CreateHeaders } from \"../verify\";\n\nconst ANYSPEND_FACILITATOR_BASE_URL = \"https://mainnet.anyspend.com\";\nconst ANYSPEND_FACILITATOR_ROUTE = \"/x402\";\n\nconst COINBASE_FACILITATOR_BASE_URL = \"https://api.cdp.coinbase.com\";\nconst COINBASE_FACILITATOR_V2_ROUTE = \"/platform/v2/x402\";\n\nconst X402_SDK_VERSION = \"0.7.1\";\nconst CDP_SDK_VERSION = \"1.29.0\";\n\n/**\n * Creates an authorization header for a request to the Coinbase API.\n *\n * @param apiKeyId - The api key ID\n * @param apiKeySecret - The api key secret\n * @param requestMethod - The method for the request (e.g. 'POST')\n * @param requestHost - The host for the request (e.g. 'https://x402.org/facilitator')\n * @param requestPath - The path for the request (e.g. '/verify')\n * @returns The authorization header string\n */\nexport async function createAuthHeader(\n apiKeyId: string,\n apiKeySecret: string,\n requestMethod: string,\n requestHost: string,\n requestPath: string,\n) {\n const jwt = await generateJwt({\n apiKeyId,\n apiKeySecret,\n requestMethod,\n requestHost,\n requestPath,\n });\n return `Bearer ${jwt}`;\n}\n\n/**\n * Creates a correlation header for a request to the Coinbase API.\n *\n * @returns The correlation header string\n */\nexport function createCorrelationHeader(): string {\n const data: Record = {\n sdk_version: CDP_SDK_VERSION,\n sdk_language: \"typescript\",\n source: \"x402\",\n source_version: X402_SDK_VERSION,\n };\n return Object.keys(data)\n .map(key => `${key}=${encodeURIComponent(data[key])}`)\n .join(\",\");\n}\n\n/**\n * Creates a CDP auth header for the facilitator service\n *\n * @param apiKeyId - The CDP API key ID\n * @param apiKeySecret - The CDP API key secret\n * @returns A function that returns the auth headers\n */\nexport function createCdpAuthHeaders(apiKeyId?: string, apiKeySecret?: string): CreateHeaders {\n const requestHost = COINBASE_FACILITATOR_BASE_URL.replace(\"https://\", \"\");\n\n return async () => {\n apiKeyId = apiKeyId ?? process.env.CDP_API_KEY_ID;\n apiKeySecret = apiKeySecret ?? process.env.CDP_API_KEY_SECRET;\n\n const headers = {\n verify: {\n \"Correlation-Context\": createCorrelationHeader(),\n } as Record,\n settle: {\n \"Correlation-Context\": createCorrelationHeader(),\n } as Record,\n supported: {\n \"Correlation-Context\": createCorrelationHeader(),\n } as Record,\n list: {\n \"Correlation-Context\": createCorrelationHeader(),\n },\n };\n\n if (apiKeyId && apiKeySecret) {\n headers.verify.Authorization = await createAuthHeader(\n apiKeyId,\n apiKeySecret,\n \"POST\",\n requestHost,\n `${COINBASE_FACILITATOR_V2_ROUTE}/verify`,\n );\n headers.settle.Authorization = await createAuthHeader(\n apiKeyId,\n apiKeySecret,\n \"POST\",\n requestHost,\n `${COINBASE_FACILITATOR_V2_ROUTE}/settle`,\n );\n headers.supported.Authorization = await createAuthHeader(\n apiKeyId,\n apiKeySecret,\n \"GET\",\n requestHost,\n `${COINBASE_FACILITATOR_V2_ROUTE}/supported`,\n );\n }\n\n return headers;\n };\n}\n\n/**\n * Creates a facilitator config for the Coinbase CDP X402 facilitator\n *\n * @param apiKeyId - The CDP API key ID\n * @param apiKeySecret - The CDP API key secret\n * @returns A facilitator config for CDP\n */\nexport function createCdpFacilitatorConfig(\n apiKeyId?: string,\n apiKeySecret?: string,\n): FacilitatorConfig {\n return {\n url: `${COINBASE_FACILITATOR_BASE_URL}${COINBASE_FACILITATOR_V2_ROUTE}`,\n createAuthHeaders: createCdpAuthHeaders(apiKeyId, apiKeySecret),\n };\n}\n\n/**\n * Creates a facilitator config for the AnySpend X402 facilitator\n * AnySpend does not require authentication headers\n *\n * @returns A facilitator config for AnySpend\n */\nexport function createFacilitatorConfig(): FacilitatorConfig {\n return {\n url: `${ANYSPEND_FACILITATOR_BASE_URL}${ANYSPEND_FACILITATOR_ROUTE}`,\n };\n}\n\n/**\n * Default facilitator using AnySpend (no auth required)\n */\nexport const facilitator = createFacilitatorConfig();\n\n/**\n * CDP facilitator (requires CDP API keys)\n */\nexport const cdpFacilitator = createCdpFacilitatorConfig();\n"],"mappings":";;;;;;;;;;;;AA6BA,eAAsBA,QAKpB,QACA,SACA,qBACA,QACyB;AAEzB,MAAI,oBAAoB,WAAW,SAAS;AAE1C,QAAI,qBAAqB,SAAS,oBAAoB,OAAO,GAAG;AAC9D,aAAOA;AAAA,QACL;AAAA,QACA;AAAA,QACA;AAAA,MACF;AAAA,IACF;AAGA,QAAI,qBAAqB,SAAS,oBAAoB,OAAO,GAAG;AAC9D,aAAO,MAAM;AAAA,QACX;AAAA,QACA;AAAA,QACA;AAAA,QACA;AAAA,MACF;AAAA,IACF;AAAA,EACF;AAGA,SAAO;AAAA,IACL,SAAS;AAAA,IACT,eAAe;AAAA,IACf,OAAO,qBAAqB,SAAS,oBAAoB,OAAO,IAC3D,QAAQ,QAA4B,cAAc,OACnD;AAAA,EACN;AACF;AAYA,eAAsBC,QACpB,QACA,SACA,qBACA,QACyB;AAEzB,MAAI,oBAAoB,WAAW,SAAS;AAE1C,QAAI,qBAAqB,SAAS,oBAAoB,OAAO,GAAG;AAC9D,aAAO,MAAMA;AAAA,QACX;AAAA,QACA;AAAA,QACA;AAAA,MACF;AAAA,IACF;AAGA,QAAI,qBAAqB,SAAS,oBAAoB,OAAO,GAAG;AAC9D,aAAO,MAAM;AAAA,QACX;AAAA,QACA;AAAA,QACA;AAAA,QACA;AAAA,MACF;AAAA,IACF;AAAA,EACF;AAEA,SAAO;AAAA,IACL,SAAS;AAAA,IACT,aAAa;AAAA,IACb,aAAa;AAAA,IACb,SAAS,oBAAoB;AAAA,IAC7B,OAAO,qBAAqB,SAAS,oBAAoB,OAAO,IAC3D,QAAQ,QAA4B,cAAc,OACnD;AAAA,EACN;AACF;;;ACtHA,SAAS,mBAAmB;AAI5B,IAAM,gCAAgC;AACtC,IAAM,6BAA6B;AAEnC,IAAM,gCAAgC;AACtC,IAAM,gCAAgC;AAEtC,IAAM,mBAAmB;AACzB,IAAM,kBAAkB;AAYxB,eAAsB,iBACpB,UACA,cACA,eACA,aACA,aACA;AACA,QAAM,MAAM,MAAM,YAAY;AAAA,IAC5B;AAAA,IACA;AAAA,IACA;AAAA,IACA;AAAA,IACA;AAAA,EACF,CAAC;AACD,SAAO,UAAU,GAAG;AACtB;AAOO,SAAS,0BAAkC;AAChD,QAAM,OAA+B;AAAA,IACnC,aAAa;AAAA,IACb,cAAc;AAAA,IACd,QAAQ;AAAA,IACR,gBAAgB;AAAA,EAClB;AACA,SAAO,OAAO,KAAK,IAAI,EACpB,IAAI,SAAO,GAAG,GAAG,IAAI,mBAAmB,KAAK,GAAG,CAAC,CAAC,EAAE,EACpD,KAAK,GAAG;AACb;AASO,SAAS,qBAAqB,UAAmB,cAAsC;AAC5F,QAAM,cAAc,8BAA8B,QAAQ,YAAY,EAAE;AAExE,SAAO,YAAY;AACjB,eAAW,YAAY,QAAQ,IAAI;AACnC,mBAAe,gBAAgB,QAAQ,IAAI;AAE3C,UAAM,UAAU;AAAA,MACd,QAAQ;AAAA,QACN,uBAAuB,wBAAwB;AAAA,MACjD;AAAA,MACA,QAAQ;AAAA,QACN,uBAAuB,wBAAwB;AAAA,MACjD;AAAA,MACA,WAAW;AAAA,QACT,uBAAuB,wBAAwB;AAAA,MACjD;AAAA,MACA,MAAM;AAAA,QACJ,uBAAuB,wBAAwB;AAAA,MACjD;AAAA,IACF;AAEA,QAAI,YAAY,cAAc;AAC5B,cAAQ,OAAO,gBAAgB,MAAM;AAAA,QACnC;AAAA,QACA;AAAA,QACA;AAAA,QACA;AAAA,QACA,GAAG,6BAA6B;AAAA,MAClC;AACA,cAAQ,OAAO,gBAAgB,MAAM;AAAA,QACnC;AAAA,QACA;AAAA,QACA;AAAA,QACA;AAAA,QACA,GAAG,6BAA6B;AAAA,MAClC;AACA,cAAQ,UAAU,gBAAgB,MAAM;AAAA,QACtC;AAAA,QACA;AAAA,QACA;AAAA,QACA;AAAA,QACA,GAAG,6BAA6B;AAAA,MAClC;AAAA,IACF;AAEA,WAAO;AAAA,EACT;AACF;AASO,SAAS,2BACd,UACA,cACmB;AACnB,SAAO;AAAA,IACL,KAAK,GAAG,6BAA6B,GAAG,6BAA6B;AAAA,IACrE,mBAAmB,qBAAqB,UAAU,YAAY;AAAA,EAChE;AACF;AAQO,SAAS,0BAA6C;AAC3D,SAAO;AAAA,IACL,KAAK,GAAG,6BAA6B,GAAG,0BAA0B;AAAA,EACpE;AACF;AAKO,IAAM,cAAc,wBAAwB;AAK5C,IAAM,iBAAiB,2BAA2B;","names":["verify","settle"]}