pezkuwi-api/packages/bizinikiwi-bindings/dist/esm/utils/ss58-util.mjs.map

{"version":3,"file":"ss58-util.mjs","sources":["../../../src/utils/ss58-util.ts"],"sourcesContent":["import { base58 } from \"@scure/base\"\nimport { blake2b } from \"@noble/hashes/blake2.js\"\n\nconst SS58_PREFIX = new TextEncoder().encode(\"SS58PRE\")\nconst CHECKSUM_LENGTH = 2\n\nexport type SS58String = string & { __SS58String?: unknown }\nexport type SS58AddressInfo =\n  | { isValid: false }\n  | { isValid: true; ss58Format: number; publicKey: Uint8Array }\n\nexport const getSs58AddressInfo = (address: SS58String): SS58AddressInfo => {\n  try {\n    const decoded = base58.decode(address)\n    const prefixBytes = decoded.subarray(0, decoded[0] & 0b0100_0000 ? 2 : 1)\n    const publicKey = decoded.subarray(\n      prefixBytes.length,\n      decoded.length - CHECKSUM_LENGTH,\n    )\n\n    const checksum = decoded.subarray(prefixBytes.length + publicKey.length)\n    const expectedChecksum = blake2b(\n      Uint8Array.of(...SS58_PREFIX, ...prefixBytes, ...publicKey),\n      {\n        dkLen: 64,\n      },\n    ).subarray(0, CHECKSUM_LENGTH)\n\n    const isChecksumValid =\n      checksum[0] === expectedChecksum[0] && checksum[1] === expectedChecksum[1]\n\n    if (!isChecksumValid) return { isValid: false }\n\n    return {\n      isValid: true,\n      ss58Format: prefixBytesToNumber(prefixBytes),\n      publicKey: publicKey.slice(),\n    }\n  } catch (_) {\n    return { isValid: false }\n  }\n}\n\nconst prefixBytesToNumber = (bytes: Uint8Array) => {\n  const dv = new DataView(bytes.buffer, bytes.byteOffset, bytes.byteLength)\n  return dv.byteLength === 1 ? dv.getUint8(0) : dv.getUint16(0)\n}\n\nconst withSs58Cache = (fn: (publicKey: Uint8Array) => SS58String) => {\n  let cache: Record<number, any> = {}\n  let activityCount = 0\n  let latestCount = 0\n  const checkActivity = () => {\n    if (activityCount === latestCount) {\n      cache = {}\n      activityCount = latestCount = 0\n    } else {\n      latestCount = activityCount\n      setTimeout(checkActivity, 0)\n    }\n  }\n\n  return (publicKey: Uint8Array): SS58String => {\n    if (++activityCount === 1) checkActivity()\n\n    let entry = cache\n    const lastIdx = publicKey.length - 1\n    for (let i = 0; i <= lastIdx; i++) entry = entry[publicKey[i]] ||= {}\n    return (entry[publicKey[lastIdx]] ||= fn(publicKey))\n  }\n}\n\nexport const fromBufferToBase58 = (ss58Format: number) => {\n  const prefixBytes =\n    ss58Format < 64\n      ? Uint8Array.of(ss58Format)\n      : Uint8Array.of(\n          ((ss58Format & 0b0000_0000_1111_1100) >> 2) | 0b0100_0000,\n          (ss58Format >> 8) | ((ss58Format & 0b0000_0000_0000_0011) << 6),\n        )\n\n  return withSs58Cache((publicKey: Uint8Array): SS58String => {\n    const checksum = blake2b(\n      Uint8Array.of(...SS58_PREFIX, ...prefixBytes, ...publicKey),\n      {\n        dkLen: 64,\n      },\n    ).subarray(0, CHECKSUM_LENGTH)\n    return base58.encode(\n      Uint8Array.of(...prefixBytes, ...publicKey, ...checksum),\n    )\n  })\n}\n"],"names":[],"mappings":";;;AAGA,MAAM,WAAA,GAAc,IAAI,WAAA,EAAY,CAAE,OAAO,SAAS,CAAA;AACtD,MAAM,eAAA,GAAkB,CAAA;AAOjB,MAAM,kBAAA,GAAqB,CAAC,OAAA,KAAyC;AAC1E,EAAA,IAAI;AACF,IAAA,MAAM,OAAA,GAAU,MAAA,CAAO,MAAA,CAAO,OAAO,CAAA;AACrC,IAAA,MAAM,WAAA,GAAc,QAAQ,QAAA,CAAS,CAAA,EAAG,QAAQ,CAAC,CAAA,GAAI,EAAA,GAAc,CAAA,GAAI,CAAC,CAAA;AACxE,IAAA,MAAM,YAAY,OAAA,CAAQ,QAAA;AAAA,MACxB,WAAA,CAAY,MAAA;AAAA,MACZ,QAAQ,MAAA,GAAS;AAAA,KACnB;AAEA,IAAA,MAAM,WAAW,OAAA,CAAQ,QAAA,CAAS,WAAA,CAAY,MAAA,GAAS,UAAU,MAAM,CAAA;AACvE,IAAA,MAAM,gBAAA,GAAmB,OAAA;AAAA,MACvB,WAAW,EAAA,CAAG,GAAG,aAAa,GAAG,WAAA,EAAa,GAAG,SAAS,CAAA;AAAA,MAC1D;AAAA,QACE,KAAA,EAAO;AAAA;AACT,KACF,CAAE,QAAA,CAAS,CAAA,EAAG,eAAe,CAAA;AAE7B,IAAA,MAAM,eAAA,GACJ,QAAA,CAAS,CAAC,CAAA,KAAM,gBAAA,CAAiB,CAAC,CAAA,IAAK,QAAA,CAAS,CAAC,CAAA,KAAM,gBAAA,CAAiB,CAAC,CAAA;AAE3E,IAAA,IAAI,CAAC,eAAA,EAAiB,OAAO,EAAE,SAAS,KAAA,EAAM;AAE9C,IAAA,OAAO;AAAA,MACL,OAAA,EAAS,IAAA;AAAA,MACT,UAAA,EAAY,oBAAoB,WAAW,CAAA;AAAA,MAC3C,SAAA,EAAW,UAAU,KAAA;AAAM,KAC7B;AAAA,EACF,SAAS,CAAA,EAAG;AACV,IAAA,OAAO,EAAE,SAAS,KAAA,EAAM;AAAA,EAC1B;AACF;AAEA,MAAM,mBAAA,GAAsB,CAAC,KAAA,KAAsB;AACjD,EAAA,MAAM,EAAA,GAAK,IAAI,QAAA,CAAS,KAAA,CAAM,QAAQ,KAAA,CAAM,UAAA,EAAY,MAAM,UAAU,CAAA;AACxE,EAAA,OAAO,EAAA,CAAG,eAAe,CAAA,GAAI,EAAA,CAAG,SAAS,CAAC,CAAA,GAAI,EAAA,CAAG,SAAA,CAAU,CAAC,CAAA;AAC9D,CAAA;AAEA,MAAM,aAAA,GAAgB,CAAC,EAAA,KAA8C;AACnE,EAAA,IAAI,QAA6B,EAAC;AAClC,EAAA,IAAI,aAAA,GAAgB,CAAA;AACpB,EAAA,IAAI,WAAA,GAAc,CAAA;AAClB,EAAA,MAAM,gBAAgB,MAAM;AAC1B,IAAA,IAAI,kBAAkB,WAAA,EAAa;AACjC,MAAA,KAAA,GAAQ,EAAC;AACT,MAAA,aAAA,GAAgB,WAAA,GAAc,CAAA;AAAA,IAChC,CAAA,MAAO;AACL,MAAA,WAAA,GAAc,aAAA;AACd,MAAA,UAAA,CAAW,eAAe,CAAC,CAAA;AAAA,IAC7B;AAAA,EACF,CAAA;AAEA,EAAA,OAAO,CAAC,SAAA,KAAsC;AA9DhD,IAAA,IAAA,EAAA,EAAA,EAAA;AA+DI,IAAA,IAAI,EAAE,aAAA,KAAkB,CAAA,EAAG,aAAA,EAAc;AAEzC,IAAA,IAAI,KAAA,GAAQ,KAAA;AACZ,IAAA,MAAM,OAAA,GAAU,UAAU,MAAA,GAAS,CAAA;AACnC,IAAA,KAAA,IAAS,CAAA,GAAI,CAAA,EAAG,CAAA,IAAK,OAAA,EAAS,CAAA,EAAA,EAAK,KAAA,GAAQ,KAAA,CAAA,EAAA,GAAM,SAAA,CAAU,CAAC,CAAA,CAAA,KAAjB,KAAA,CAAA,EAAA,CAAA,GAAwB,EAAC,CAAA;AACpE,IAAA,OAAQ,WAAM,SAAA,CAAU,OAAO,CAAA,CAAA,KAAvB,KAAA,CAAA,EAAA,CAAA,GAA8B,GAAG,SAAS,CAAA,CAAA;AAAA,EACpD,CAAA;AACF,CAAA;AAEO,MAAM,kBAAA,GAAqB,CAAC,UAAA,KAAuB;AACxD,EAAA,MAAM,cACJ,UAAA,GAAa,EAAA,GACT,WAAW,EAAA,CAAG,UAAU,IACxB,UAAA,CAAW,EAAA;AAAA,IAAA,CACP,UAAA,GAAa,QAA0B,CAAA,GAAK,EAAA;AAAA,IAC7C,UAAA,IAAc,CAAA,GAAA,CAAO,UAAA,GAAa,CAAA,KAA0B;AAAA,GAC/D;AAEN,EAAA,OAAO,aAAA,CAAc,CAAC,SAAA,KAAsC;AAC1D,IAAA,MAAM,QAAA,GAAW,OAAA;AAAA,MACf,WAAW,EAAA,CAAG,GAAG,aAAa,GAAG,WAAA,EAAa,GAAG,SAAS,CAAA;AAAA,MAC1D;AAAA,QACE,KAAA,EAAO;AAAA;AACT,KACF,CAAE,QAAA,CAAS,CAAA,EAAG,eAAe,CAAA;AAC7B,IAAA,OAAO,MAAA,CAAO,MAAA;AAAA,MACZ,WAAW,EAAA,CAAG,GAAG,aAAa,GAAG,SAAA,EAAW,GAAG,QAAQ;AAAA,KACzD;AAAA,EACF,CAAC,CAAA;AACH;;;;"}