a collection of lightweight TypeScript packages for AT Protocol, the protocol powering Bluesky
atproto
bluesky
typescript
npm
feat(cid): expose encode and digest methods
+3
-3
+3
-3
packages/utilities/cid/lib/index.ts
+3
-3
packages/utilities/cid/lib/index.ts
···
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*/
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export const create = async (code: number, input: Uint8Array): Promise<CID> => {
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const digest = createDigest(0x12, new Uint8Array(await crypto.subtle.digest('sha-256', input)));
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-
const bytes = encodeCID(1, code, digest.bytes);
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const bytes = encode(1, code, digest.bytes);
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return {
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version: 1,
···
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return 'b' + base32.encode(cid.bytes);
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};
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-
const createDigest = (code: number, digest: Uint8Array): Digest => {
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export const createDigest = (code: number, digest: Uint8Array): Digest => {
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const size = digest.byteLength;
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const sizeOffset = varint.encodingLength(code);
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const digestOffset = sizeOffset + varint.encodingLength(size);
···
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};
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};
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-
const encodeCID = (version: number, code: number, multihash: Uint8Array): Uint8Array => {
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export const encode = (version: number, code: number, multihash: Uint8Array): Uint8Array => {
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const codeOffset = varint.encodingLength(version);
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const hashOffset = codeOffset + varint.encodingLength(code);
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