{"version":3,"sources":["../../src/utils.ts"],"sourcesContent":["import { toHex } from \"viem\";\n\n/**\n * Extract chain ID from a CAIP-2 network identifier (eip155:CHAIN_ID).\n *\n * @param network - The network identifier in CAIP-2 format (e.g., \"eip155:8453\")\n * @returns The numeric chain ID\n * @throws Error if the network format is invalid\n */\nexport function getEvmChainId(network: string): number {\n  if (network.startsWith(\"eip155:\")) {\n    const idStr = network.split(\":\")[1];\n    const chainId = parseInt(idStr, 10);\n    if (isNaN(chainId)) {\n      throw new Error(`Invalid CAIP-2 chain ID: ${network}`);\n    }\n    return chainId;\n  }\n\n  throw new Error(`Unsupported network format: ${network} (expected eip155:CHAIN_ID)`);\n}\n\n/**\n * Get the crypto object from the global scope.\n *\n * @returns The crypto object\n * @throws Error if crypto API is not available\n */\nfunction getCrypto(): Crypto {\n  const cryptoObj = globalThis.crypto as Crypto | undefined;\n  if (!cryptoObj) {\n    throw new Error(\"Crypto API not available\");\n  }\n  return cryptoObj;\n}\n\n/**\n * Create a random 32-byte nonce for EIP-3009 authorization.\n *\n * @returns A hex-encoded 32-byte nonce\n */\nexport function createNonce(): `0x${string}` {\n  return toHex(getCrypto().getRandomValues(new Uint8Array(32)));\n}\n\n/**\n * Creates a random 256-bit nonce for Permit2.\n * Permit2 uses uint256 nonces (not bytes32 like EIP-3009).\n *\n * @returns A string representation of the random nonce\n */\nexport function createPermit2Nonce(): string {\n  const randomBytes = getCrypto().getRandomValues(new Uint8Array(32));\n  return BigInt(toHex(randomBytes)).toString();\n}\n"],"mappings":";AAAA,SAAS,aAAa;AASf,SAAS,cAAc,SAAyB;AACrD,MAAI,QAAQ,WAAW,SAAS,GAAG;AACjC,UAAM,QAAQ,QAAQ,MAAM,GAAG,EAAE,CAAC;AAClC,UAAM,UAAU,SAAS,OAAO,EAAE;AAClC,QAAI,MAAM,OAAO,GAAG;AAClB,YAAM,IAAI,MAAM,4BAA4B,OAAO,EAAE;AAAA,IACvD;AACA,WAAO;AAAA,EACT;AAEA,QAAM,IAAI,MAAM,+BAA+B,OAAO,6BAA6B;AACrF;AAQA,SAAS,YAAoB;AAC3B,QAAM,YAAY,WAAW;AAC7B,MAAI,CAAC,WAAW;AACd,UAAM,IAAI,MAAM,0BAA0B;AAAA,EAC5C;AACA,SAAO;AACT;AAOO,SAAS,cAA6B;AAC3C,SAAO,MAAM,UAAU,EAAE,gBAAgB,IAAI,WAAW,EAAE,CAAC,CAAC;AAC9D;AAQO,SAAS,qBAA6B;AAC3C,QAAM,cAAc,UAAU,EAAE,gBAAgB,IAAI,WAAW,EAAE,CAAC;AAClE,SAAO,OAAO,MAAM,WAAW,CAAC,EAAE,SAAS;AAC7C;","names":[]}