Fork of github.com/did-method-plc/did-method-plc
constant did len of 24 (#31)
authored by
Daniel Holmgren
and committed by
GitHub
7263b1c7
ca9d3b60
+4
-9
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packages/lib/src/operations.ts
+4
-9
packages/lib/src/operations.ts
···
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import * as t from './types'
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import {
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GenesisHashError,
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ImproperlyFormattedDidError,
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ImproperOperationError,
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InvalidSignatureError,
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MisorderedOperationError,
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UnsupportedKeyError,
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} from './error'
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export const didForCreateOp = async (op: t.CompatibleOp, truncate = 24) => {
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export const didForCreateOp = async (op: t.CompatibleOp) => {
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const hashOfGenesis = await sha256(cbor.encode(op))
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const hashB32 = uint8arrays.toString(hashOfGenesis, 'base32')
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const truncated = hashB32.slice(0, truncate)
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const truncated = hashB32.slice(0, 24)
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return `did:plc:${truncated}`
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}
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···
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const normalized = normalizeOp(op)
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await assureValidOp(normalized)
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await assureValidSig(normalized.rotationKeys, op)
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const expectedDid = await didForCreateOp(op, 64)
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// id must be >=24 chars & prefix is 8chars
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if (did.length < 32) {
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throw new ImproperlyFormattedDidError('too short')
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}
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if (!expectedDid.startsWith(did)) {
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const expectedDid = await didForCreateOp(op)
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if (expectedDid !== did) {
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throw new GenesisHashError(expectedDid)
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}
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if (op.prev !== null) {