mirror of
https://github.com/pezkuwichain/pezkuwi-api.git
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pezkuwichain
31467f90d4
- @pezkuwi/papi-utils (rebrand of @polkadot-api/utils) - @pezkuwi/bizinikiwi-bindings (rebrand of @polkadot-api/substrate-bindings) - @pezkuwi/metadata-builders (rebrand of @polkadot-api/metadata-builders) - @pezkuwi/merkleize-metadata (rebrand of @polkadot-api/merkleize-metadata) All @polkadot-api references replaced with @pezkuwi equivalents.
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6.1 KiB
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{"version":3,"file":"Binary.mjs","sources":["../../../../src/codecs/scale/Binary.ts"],"sourcesContent":["import {\n Bytes,\n Codec,\n Decoder,\n Encoder,\n Tuple,\n compact,\n createCodec,\n} from \"scale-ts\"\nimport { fromHex, mergeUint8, toHex } from \"@pezkuwi/papi-utils\"\nimport type { HexString } from \"./Hex\"\nimport { SS58String } from \"@/utils\"\nimport { AccountId } from \"./AccountId\"\n\nconst textEncoder = new TextEncoder()\nconst textDecoder = new TextDecoder()\nconst opaqueBytesDec = Tuple(compact, Bytes(Infinity))[1]\n\nexport class Binary {\n #bytes: Uint8Array\n #opaqueBytes: Uint8Array | null = null\n #hex: HexString | null = null\n #opaqueHex: HexString | null = null\n #str: string | null = null\n\n constructor(data: Uint8Array, opaque = false) {\n if (opaque) {\n try {\n const [len, bytes] = opaqueBytesDec(data)\n if (len === bytes.length) {\n this.#bytes = bytes\n this.#opaqueBytes = data\n return\n }\n } catch (_) {}\n throw new Error(\"Invalid opaque bytes\")\n } else this.#bytes = data\n }\n\n asText = () => (this.#str ??= textDecoder.decode(this.#bytes))\n\n asHex = () => (this.#hex ??= toHex(this.#bytes)) as `0x${string}`\n asOpaqueHex = () =>\n (this.#opaqueHex ??= toHex(this.asOpaqueBytes())) as `0x${string}`\n\n asBytes = () => this.#bytes\n asOpaqueBytes = () =>\n (this.#opaqueBytes ??= mergeUint8([\n compact[0](this.#bytes.length),\n this.#bytes,\n ]))\n\n static fromText(input: string): Binary {\n return new this(textEncoder.encode(input))\n }\n\n static fromHex(input: HexString): Binary {\n return new this(fromHex(input))\n }\n static fromOpaqueHex(input: HexString): Binary {\n return new this(fromHex(input), true)\n }\n\n static fromBytes(input: Uint8Array): Binary {\n return new this(input)\n }\n static fromOpaqueBytes(input: Uint8Array): Binary {\n return new this(input, true)\n }\n}\n\nconst [accountIdEncoder] = AccountId()\nexport class FixedSizeBinary<_L extends number> extends Binary {\n constructor(data: Uint8Array) {\n super(data)\n }\n\n static fromArray<L extends number, I extends Array<number> & { length: L }>(\n input: I,\n ) {\n return new this<L>(new Uint8Array(input))\n }\n\n static fromAccountId32<L extends number>(\n input: L extends 32 ? SS58String : never,\n ) {\n return new this<L>(accountIdEncoder(input))\n }\n}\n\nconst enc = (nBytes?: number): Encoder<Binary> => {\n const _enc = Bytes.enc(nBytes)\n return (value) => _enc(value.asBytes())\n}\n\nconst dec = (nBytes?: number): Decoder<Binary> => {\n const _dec = Bytes.dec(nBytes)\n const Bin = nBytes == null ? 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