{"version":3,"sources":["../../src/types.ts"],"sourcesContent":["/**\n * Asset transfer methods for the exact EVM scheme.\n * - eip3009: Uses transferWithAuthorization (USDC, etc.) - recommended for compatible tokens\n * - permit2: Uses Permit2 + x402Permit2Proxy - universal fallback for any ERC-20\n */\nexport type AssetTransferMethod = \"eip3009\" | \"permit2\";\n\n/**\n * EIP-3009 payload for tokens with native transferWithAuthorization support.\n */\nexport type ExactEIP3009Payload = {\n  signature?: `0x${string}`;\n  authorization: {\n    from: `0x${string}`;\n    to: `0x${string}`;\n    value: string;\n    validAfter: string;\n    validBefore: string;\n    nonce: `0x${string}`;\n  };\n};\n\n/**\n * Permit2 witness data structure.\n * Matches the Witness struct in x402Permit2Proxy contract.\n * Note: Upper time bound is enforced by Permit2's `deadline` field, not a witness field.\n */\nexport type Permit2Witness = {\n  to: `0x${string}`;\n  validAfter: string;\n};\n\n/**\n * Permit2 authorization parameters.\n * Used to reconstruct the signed message for verification.\n */\nexport type Permit2Authorization = {\n  permitted: {\n    token: `0x${string}`;\n    amount: string;\n  };\n  spender: `0x${string}`;\n  nonce: string;\n  deadline: string;\n  witness: Permit2Witness;\n};\n\n/**\n * Permit2 payload for tokens using the Permit2 + x402Permit2Proxy flow.\n */\nexport type ExactPermit2Payload = {\n  signature: `0x${string}`;\n  permit2Authorization: Permit2Authorization & {\n    from: `0x${string}`;\n  };\n};\n\nexport type ExactEvmPayloadV1 = ExactEIP3009Payload;\n\nexport type ExactEvmPayloadV2 = ExactEIP3009Payload | ExactPermit2Payload;\n\n/**\n * Type guard to check if a payload is a Permit2 payload.\n * Permit2 payloads have a `permit2Authorization` field.\n *\n * @param payload - The payload to check.\n * @returns True if the payload is a Permit2 payload, false otherwise.\n */\nexport function isPermit2Payload(payload: ExactEvmPayloadV2): payload is ExactPermit2Payload {\n  return \"permit2Authorization\" in payload;\n}\n\n/**\n * Type guard to check if a payload is an EIP-3009 payload.\n * EIP-3009 payloads have an `authorization` field.\n *\n * @param payload - The payload to check.\n * @returns True if the payload is an EIP-3009 payload, false otherwise.\n */\nexport function isEIP3009Payload(payload: ExactEvmPayloadV2): payload is ExactEIP3009Payload {\n  return \"authorization\" in payload;\n}\n"],"mappings":";AAoEO,SAAS,iBAAiB,SAA4D;AAC3F,SAAO,0BAA0B;AACnC;AASO,SAAS,iBAAiB,SAA4D;AAC3F,SAAO,mBAAmB;AAC5B;","names":[]}