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refactor: remove function version of cid api

This commit is contained in:
Derrick Hammer 2023-09-08 06:58:44 -04:00
parent d349e454e5
commit e30747945c
Signed by: pcfreak30
GPG Key ID: C997C339BE476FF2
1 changed files with 0 additions and 145 deletions
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145
src/cid.ts
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@ -1,145 +0,0 @@
import { ErrTuple } from "#types.js";
import type { CID } from "@lumeweb/libportal";
import {
decodeCid as decodeCidPortal,
encodeCid as encodeCidPortal,
} from "@lumeweb/libportal";
import { addContextToErr } from "#err.js";
import { CID_HASH_TYPES, CID_TYPES, REGISTRY_TYPES } from "@lumeweb/libs5";
import { concatBytes } from "@noble/hashes/utils";
export function encodeCid(
hash: Uint8Array,
size: bigint,
type?: number,
hashType?: number,
raw?: boolean,
): ErrTuple<string | Uint8Array>;
export function encodeCid(
hash: string,
size: bigint,
type?: number,
hashType?: number,
raw?: boolean,
): ErrTuple<string | Uint8Array>;
export function encodeCid(
hash: CID,
size?: bigint,
type?: number,
hashType?: number,
raw?: boolean,
): ErrTuple<string | Uint8Array>;
export function encodeCid(
hash: any,
size?: bigint,
type?: number,
hashType?: number,
raw: boolean = false,
): ErrTuple<string | Uint8Array> {
if (typeof hash !== "string" && !(hash instanceof Uint8Array)) {
size = hash.size;
type = type ?? hash.type;
hashType = hashType ?? hash.hashType;
hash = hash.hash;
}
try {
return [encodeCidPortal(hash, size, type, hashType, raw), null];
} catch (e) {
return ["", addContextToErr(e as Error, "failed to encode cid")];
}
}
export function decodeCid(cid: string | Uint8Array): ErrTuple<CID> {
try {
return [decodeCidPortal(cid), null];
} catch (e) {
return [null, addContextToErr(e as Error, "failed to decode cid")];
}
}
export function verifyCid(cid: string): boolean {
try {
decodeCidPortal(cid);
return true;
} catch (e) {
return false;
}
}
export function encodeRegistryCid(
hash: Uint8Array,
size?: bigint,
type?: number,
hashType?: number,
raw?: boolean,
): ErrTuple<string | Uint8Array>;
export function encodeRegistryCid(
hash: string,
size?: bigint,
type?: number,
hashType?: number,
raw?: boolean,
): ErrTuple<string | Uint8Array>;
export function encodeRegistryCid(
hash: any,
size = BigInt(0),
type = CID_TYPES.RESOLVER,
hashType = CID_HASH_TYPES.ED25519,
raw: boolean = false,
): ErrTuple<string | Uint8Array> {
if (hash instanceof Uint8Array) {
if (Object.values(CID_HASH_TYPES).includes(hash[0])) {
hash = hash.slice(1);
}
}
return encodeCid(hash, size, type, hashType, raw);
}
export function encodeRegistryValue(
cid: CID | string,
type: number = REGISTRY_TYPES.CID,
hashType = CID_HASH_TYPES.BLAKE3,
): ErrTuple<Uint8Array> {
if (typeof cid === "string") {
let err;
[cid, err] = decodeCid(cid);
if (err) {
return [new Uint8Array(), err];
}
}
const [ret, err] = encodeCid(cid.hash, cid.size, cid.type, hashType, true);
if (err) {
return [new Uint8Array(), err];
}
return [concatBytes(Uint8Array.from([type]), ret as Uint8Array), null];
}
export function decodeRegistryValue(hash: Uint8Array): ErrTuple<CID> {
if (!Object.values(REGISTRY_TYPES).includes(hash[0])) {
return [null, "invalid registry type"];
}
hash = hash.slice(1);
return decodeCid(hash);
}
export function decodeRegistryCid(cid: string | Uint8Array): ErrTuple<CID> {
const [ret, err] = decodeCid(cid);
if (err) {
return [null, err];
}
if (ret.type !== CID_TYPES.RESOLVER) {
return [null, "not a valid registry cid"];
}
return [ret, null];
}
export type { CID } from "@lumeweb/libportal";