{"version":3,"sources":["../src/walletClient/utils.ts"],"sourcesContent":["import { encodeAbiParameters, keccak256 } from 'viem';\nimport type { Hex } from 'viem';\nimport type { WebAuthnSignature } from '../types';\nimport type { TransactionCall } from './types';\n\n/**\n * P-256 curve order (n)\n * Used for signature malleability normalization\n */\nconst P256_N = BigInt(\n  '0xFFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551'\n);\nconst P256_N_DIV_2 = P256_N / 2n;\n\n/**\n * WebAuthnAuth struct type for ABI encoding\n */\nconst WEBAUTHN_AUTH_TYPE = {\n  type: 'tuple',\n  components: [\n    { type: 'bytes', name: 'authenticatorData' },\n    { type: 'string', name: 'clientDataJSON' },\n    { type: 'uint256', name: 'challengeIndex' },\n    { type: 'uint256', name: 'typeIndex' },\n    { type: 'uint256', name: 'r' },\n    { type: 'uint256', name: 's' },\n  ],\n} as const;\n\n/**\n * Encode a WebAuthn signature for ERC-1271 verification on-chain\n *\n * @param sig - The WebAuthn signature from the passkey\n * @returns ABI-encoded signature bytes\n */\nexport function encodeWebAuthnSignature(sig: WebAuthnSignature): Hex {\n  // Normalize s to prevent signature malleability\n  let s = BigInt(sig.s);\n  if (s > P256_N_DIV_2) {\n    s = P256_N - s;\n  }\n\n  return encodeAbiParameters([WEBAUTHN_AUTH_TYPE], [\n    {\n      authenticatorData: sig.authenticatorData as Hex,\n      clientDataJSON: sig.clientDataJSON,\n      challengeIndex: BigInt(sig.challengeIndex),\n      typeIndex: BigInt(sig.typeIndex),\n      r: BigInt(sig.r),\n      s,\n    },\n  ]);\n}\n\n/**\n * Hash an array of transaction calls for signing\n *\n * @param calls - Array of transaction calls\n * @returns keccak256 hash of the encoded calls\n */\nexport function hashCalls(calls: TransactionCall[]): Hex {\n  const encoded = encodeAbiParameters(\n    [\n      {\n        type: 'tuple[]',\n        components: [\n          { type: 'address', name: 'to' },\n          { type: 'bytes', name: 'data' },\n          { type: 'uint256', name: 'value' },\n        ],\n      },\n    ],\n    [\n      calls.map((c) => ({\n        to: c.to,\n        data: c.data || '0x',\n        value: c.value || 0n,\n      })),\n    ]\n  );\n  return keccak256(encoded);\n}\n\n/**\n * Build transaction review display data from calls\n *\n * @param calls - Array of transaction calls\n * @returns TransactionDetails for the signing modal\n */\nexport function buildTransactionReview(calls: TransactionCall[]) {\n  return {\n    actions: calls.map((call, i) => ({\n      type: 'custom' as const,\n      label: call.label || `Contract Call ${i + 1}`,\n      sublabel: call.sublabel || `To: ${call.to.slice(0, 10)}...${call.to.slice(-8)}`,\n      amount: call.value ? `${call.value} wei` : undefined,\n    })),\n  };\n}\n"],"mappings":";AAAA,SAAS,qBAAqB,iBAAiB;AAS/C,IAAM,SAAS;AAAA,EACb;AACF;AACA,IAAM,eAAe,SAAS;AAK9B,IAAM,qBAAqB;AAAA,EACzB,MAAM;AAAA,EACN,YAAY;AAAA,IACV,EAAE,MAAM,SAAS,MAAM,oBAAoB;AAAA,IAC3C,EAAE,MAAM,UAAU,MAAM,iBAAiB;AAAA,IACzC,EAAE,MAAM,WAAW,MAAM,iBAAiB;AAAA,IAC1C,EAAE,MAAM,WAAW,MAAM,YAAY;AAAA,IACrC,EAAE,MAAM,WAAW,MAAM,IAAI;AAAA,IAC7B,EAAE,MAAM,WAAW,MAAM,IAAI;AAAA,EAC/B;AACF;AAQO,SAAS,wBAAwB,KAA6B;AAEnE,MAAI,IAAI,OAAO,IAAI,CAAC;AACpB,MAAI,IAAI,cAAc;AACpB,QAAI,SAAS;AAAA,EACf;AAEA,SAAO,oBAAoB,CAAC,kBAAkB,GAAG;AAAA,IAC/C;AAAA,MACE,mBAAmB,IAAI;AAAA,MACvB,gBAAgB,IAAI;AAAA,MACpB,gBAAgB,OAAO,IAAI,cAAc;AAAA,MACzC,WAAW,OAAO,IAAI,SAAS;AAAA,MAC/B,GAAG,OAAO,IAAI,CAAC;AAAA,MACf;AAAA,IACF;AAAA,EACF,CAAC;AACH;AAQO,SAAS,UAAU,OAA+B;AACvD,QAAM,UAAU;AAAA,IACd;AAAA,MACE;AAAA,QACE,MAAM;AAAA,QACN,YAAY;AAAA,UACV,EAAE,MAAM,WAAW,MAAM,KAAK;AAAA,UAC9B,EAAE,MAAM,SAAS,MAAM,OAAO;AAAA,UAC9B,EAAE,MAAM,WAAW,MAAM,QAAQ;AAAA,QACnC;AAAA,MACF;AAAA,IACF;AAAA,IACA;AAAA,MACE,MAAM,IAAI,CAAC,OAAO;AAAA,QAChB,IAAI,EAAE;AAAA,QACN,MAAM,EAAE,QAAQ;AAAA,QAChB,OAAO,EAAE,SAAS;AAAA,MACpB,EAAE;AAAA,IACJ;AAAA,EACF;AACA,SAAO,UAAU,OAAO;AAC1B;AAQO,SAAS,uBAAuB,OAA0B;AAC/D,SAAO;AAAA,IACL,SAAS,MAAM,IAAI,CAAC,MAAM,OAAO;AAAA,MAC/B,MAAM;AAAA,MACN,OAAO,KAAK,SAAS,iBAAiB,IAAI,CAAC;AAAA,MAC3C,UAAU,KAAK,YAAY,OAAO,KAAK,GAAG,MAAM,GAAG,EAAE,CAAC,MAAM,KAAK,GAAG,MAAM,EAAE,CAAC;AAAA,MAC7E,QAAQ,KAAK,QAAQ,GAAG,KAAK,KAAK,SAAS;AAAA,IAC7C,EAAE;AAAA,EACJ;AACF;","names":[]}