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alphabet = 'abcdefghijklmnopqrstuvwxyz234567';\n\n// Build a lookup table for decoding.\nconst lookupTable: Record\u003cstring, number\u003e = Object.create(null);\nfor (let i = 0; i \u003c alphabet.length; i++) {\n  lookupTable[alphabet[i]] = i;\n}\n\n// Add aliases for rfc4648.\nlookupTable['0'] = lookupTable.o;\nlookupTable['1'] = lookupTable.i;\n\n/**\n * @param input The input array to encode.\n * @returns A Base32 string encoding the input.\n */\nexport function encode(input: Uint8Array): string {\n  // How many bits will we skip from the first byte.\n  let skip = 0;\n  // 5 high bits, carry from one byte to the next.\n  let bits = 0;\n\n  // The output string in base32.\n  let output = '';\n\n  function encodeByte(byte: number) {\n    if (skip \u003c 0) {\n      // we have a carry from the previous byte\n      bits |= byte \u003e\u003e -skip;\n    } else {\n      // no carry\n      bits = (byte \u003c\u003c skip) \u0026 248;\n    }\n\n    if (skip \u003e 3) {\n      // Not enough data to produce a character, get us another one\n      skip -= 8;\n      return 1;\n    }\n\n    if (skip \u003c 4) {\n      // produce a character\n      output += alphabet[bits \u003e\u003e 3];\n      skip += 5;\n    }\n\n    return 0;\n  }\n\n  for (let i = 0; i \u003c input.length; ) {\n    i += encodeByte(input[i]);\n  }\n\n  return output + (skip \u003c 0 ? alphabet[bits \u003e\u003e 3] : '');\n}\n\n/**\n * @param input The base32 encoded string to decode.\n */\nexport function decode(input: string): Uint8Array {\n  // how many bits we have from the previous character.\n  let skip = 0;\n  // current byte we're producing.\n  let byte = 0;\n\n  const output = new Uint8Array(((input.length * 4) / 3) | 0);\n  let o = 0;\n\n  function decodeChar(char: string) {\n    // Consume a character from the stream, store\n    // the output in this.output. As before, better\n    // to use update().\n    let val = lookupTable[char.toLowerCase()];\n    if (val === undefined) {\n      throw new Error(`Invalid character: ${JSON.stringify(char)}`);\n    }\n\n    // move to the high bits\n    val \u003c\u003c= 3;\n    byte |= val \u003e\u003e\u003e skip;\n    skip += 5;\n\n    if (skip \u003e= 8) {\n      // We have enough bytes to produce an output\n      output[o++] = byte;\n      skip -= 8;\n\n      if (skip \u003e 0) {\n        byte = (val \u003c\u003c (5 - skip)) \u0026 255;\n      } else {\n        byte = 0;\n      }\n    }\n  }\n\n  for (const c of input) {\n    decodeChar(c);\n  }\n\n  return output.slice(0, o);\n}\n","// This file is translated to JavaScript from\n// https://lxp32.github.io/docs/a-simple-example-crc32-calculation/\nconst lookUpTable: Uint32Array = new Uint32Array([\n  0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,\n  0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,\n  0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,\n  0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,\n  0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,\n  0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,\n  0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,\n  0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,\n  0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,\n  0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,\n  0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,\n  0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,\n  0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,\n  0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,\n  0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,\n  0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,\n  0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,\n  0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,\n  0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,\n  0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,\n  0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,\n  0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,\n  0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,\n  0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,\n  0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,\n  0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,\n  0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,\n  0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,\n  0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,\n  0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,\n  0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,\n  0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d,\n]);\n\n/**\n * Calculate the CRC32 of an ArrayBufferLike.\n * @param buf The BufferLike to calculate the CRC32 of.\n */\nexport function getCrc32(buf: ArrayBufferLike): number {\n  const b = new Uint8Array(buf);\n  let crc = -1;\n\n  for (let i = 0; i \u003c b.length; i++) {\n    const byte = b[i];\n    const t = (byte ^ crc) \u0026 0xff;\n    crc = lookUpTable[t] ^ (crc \u003e\u003e\u003e 8);\n  }\n\n  return (crc ^ -1) \u003e\u003e\u003e 0;\n}\n","import { sha224 as jsSha224 } from '@noble/hashes/sha256';\n\n/**\n * Returns the SHA224 hash of the buffer.\n * @param data Arraybuffer to encode\n */\nexport function sha224(data: ArrayBuffer): Uint8Array {\n  return jsSha224.create().update(new Uint8Array(data)).digest();\n}\n","import { decode, encode } from './utils/base32';\nimport { getCrc32 } from './utils/getCrc';\nimport { sha224 } from './utils/sha224';\n\nexport const JSON_KEY_PRINCIPAL = '__principal__';\nconst SELF_AUTHENTICATING_SUFFIX = 2;\nconst ANONYMOUS_SUFFIX = 4;\n\nconst MANAGEMENT_CANISTER_PRINCIPAL_HEX_STR = 'aaaaa-aa';\n\nconst fromHexString = (hexString: string) =\u003e\n  new Uint8Array((hexString.match(/.{1,2}/g) ?? []).map(byte =\u003e parseInt(byte, 16)));\n\nconst toHexString = (bytes: Uint8Array) =\u003e\n  bytes.reduce((str, byte) =\u003e str + byte.toString(16).padStart(2, '0'), '');\n\nexport type JsonnablePrincipal = {\n  [JSON_KEY_PRINCIPAL]: string;\n};\n\nexport class Principal {\n  public static anonymous(): Principal {\n    return new this(new Uint8Array([ANONYMOUS_SUFFIX]));\n  }\n\n  /**\n   * Utility method, returning the principal representing the management canister, decoded from the hex string `'aaaaa-aa'`\n   * @returns {Principal} principal of the management canister\n   */\n  public static managementCanister(): Principal {\n    return this.fromHex(MANAGEMENT_CANISTER_PRINCIPAL_HEX_STR);\n  }\n\n  public static selfAuthenticating(publicKey: Uint8Array): Principal {\n    const sha = sha224(publicKey);\n    return new this(new Uint8Array([...sha, SELF_AUTHENTICATING_SUFFIX]));\n  }\n\n  public static from(other: unknown): Principal {\n    if (typeof other === 'string') {\n      return Principal.fromText(other);\n    } else if (Object.getPrototypeOf(other) === Uint8Array.prototype) {\n      return new Principal(other as Uint8Array);\n    } else if (\n      typeof other === 'object' \u0026\u0026\n      other !== null \u0026\u0026\n      (other as Principal)._isPrincipal === true\n    ) {\n      return new Principal((other as Principal)._arr);\n    }\n\n    throw new Error(`Impossible to convert ${JSON.stringify(other)} to Principal.`);\n  }\n\n  public static fromHex(hex: string): Principal {\n    return new this(fromHexString(hex));\n  }\n\n  public static fromText(text: string): Principal {\n    let maybePrincipal = text;\n    // If formatted as JSON string, parse it first\n    if (text.includes(JSON_KEY_PRINCIPAL)) {\n      const obj = JSON.parse(text);\n      if (JSON_KEY_PRINCIPAL in obj) {\n        maybePrincipal = obj[JSON_KEY_PRINCIPAL];\n      }\n    }\n\n    const canisterIdNoDash = maybePrincipal.toLowerCase().replace(/-/g, '');\n\n    let arr = decode(canisterIdNoDash);\n    arr = arr.slice(4, arr.length);\n\n    const principal = new this(arr);\n    if (principal.toText() !== maybePrincipal) {\n      throw new Error(\n        `Principal \"${principal.toText()}\" does not have a valid checksum (original value \"${maybePrincipal}\" may not be a valid Principal ID).`,\n      );\n    }\n\n    return principal;\n  }\n\n  public static fromUint8Array(arr: Uint8Array): Principal {\n    return new this(arr);\n  }\n\n  public readonly _isPrincipal = true;\n\n  protected constructor(private _arr: Uint8Array) {}\n\n  public isAnonymous(): boolean {\n    return this._arr.byteLength === 1 \u0026\u0026 this._arr[0] === ANONYMOUS_SUFFIX;\n  }\n\n  public toUint8Array(): Uint8Array {\n    return this._arr;\n  }\n\n  public toHex(): string {\n    return toHexString(this._arr).toUpperCase();\n  }\n\n  public toText(): string {\n    const checksumArrayBuf = new ArrayBuffer(4);\n    const view = new DataView(checksumArrayBuf);\n    view.setUint32(0, getCrc32(this._arr));\n    const checksum = new Uint8Array(checksumArrayBuf);\n\n    const bytes = Uint8Array.from(this._arr);\n    const array = new Uint8Array([...checksum, ...bytes]);\n\n    const result = encode(array);\n    const matches = result.match(/.{1,5}/g);\n    if (!matches) {\n      // This should only happen if there's no character, which is unreachable.\n      throw new Error();\n    }\n    return matches.join('-');\n  }\n\n  public toString(): string {\n    return this.toText();\n  }\n\n  /**\n   * Serializes to JSON\n   * @returns {JsonnablePrincipal} a JSON object with a single key, {@link JSON_KEY_PRINCIPAL}, whose value is the principal as a string\n   */\n  public toJSON(): JsonnablePrincipal {\n    return { [JSON_KEY_PRINCIPAL]: this.toText() };\n  }\n\n  /**\n   * Utility method taking a Principal to compare against. Used for determining canister ranges in certificate verification\n   * @param {Principal} other - a {@link Principal} to compare\n   * @returns {'lt' | 'eq' | 'gt'} `'lt' | 'eq' | 'gt'` a string, representing less than, equal to, or greater than\n   */\n  public compareTo(other: Principal): 'lt' | 'eq' | 'gt' {\n    for (let i = 0; i \u003c Math.min(this._arr.length, other._arr.length); i++) {\n      if (this._arr[i] \u003c other._arr[i]) return 'lt';\n      else if (this._arr[i] \u003e other._arr[i]) return 'gt';\n    }\n    // Here, at least one principal is a prefix of the other principal (they could be the same)\n    if (this._arr.length \u003c other._arr.length) return 'lt';\n    if (this._arr.length \u003e other._arr.length) return 'gt';\n    return 'eq';\n  }\n\n  /**\n   * Utility method checking whether a provided Principal is less than or equal to the current one using the {@link Principal.compareTo} method\n   * @param other a {@link Principal} to compare\n   * @returns {boolean} boolean\n   */\n  public ltEq(other: Principal): boolean {\n    const cmp = this.compareTo(other);\n    return cmp == 'lt' || cmp == 'eq';\n  }\n\n  /**\n   * Utility method checking whether a provided Principal is greater than or equal to the current one using the {@link Principal.compareTo} method\n   * @param other a {@link Principal} to compare\n   * @returns {boolean} boolean\n   */\n  public gtEq(other: Principal): boolean {\n    const cmp = this.compareTo(other);\n    return cmp == 'gt' || cmp == 'eq';\n  }\n}\n"],"version":3}