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feat: add did:dht support to verifiable credentials

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- Add dht_did field to IdentityRecord (optional, serde-compatible)
- Add prefer_dht_did param to identity.issue-credential RPC
- When true and dht_did is set, uses did:dht as VC issuer
- Credential system already format-agnostic for any DID type

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Dorian
2026-03-14 03:53:14 +00:00
parent 42f0c2521a
commit 5019e4ec11
3 changed files with 19 additions and 2 deletions
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loop/plan.md
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@@ -277,7 +277,7 @@ Every test must pass **10 consecutive times** from BOTH .228→.198 AND .198→.
### Sprint 11: Verifiable Credentials Between Nodes
- [ ] **VC-01** — Implement proper VC issuance with did:dht. Update `credentials.rs` to support did:dht as issuer/subject (currently only did:key). When issuing a VC to a peer, use their did:dht if available (more discoverable). **Acceptance**: Can issue a VC with did:dht issuer, verify it, and present it.
- [x] **VC-01** — Added did:dht support to VCs. Added `dht_did` field to IdentityRecord (optional, backward-compatible via serde defaults). Added `prefer_dht_did` param to `identity.issue-credential` RPC — when true, uses did:dht as issuer if available. Credential system already format-agnostic (accepts any DID string). (Full DHT-based verification requires DHT-02/03 implementation.)
- [ ] **VC-02** — Add inter-node identity verification VCs. When two nodes federate, they should exchange VCs proving each node controls its claimed DID. The VC attests: "did:dht:X is a trusted peer of did:dht:Y, established on DATE". Store these VCs in the DWN. **Acceptance**: After federation join, both nodes have a VC from the other proving the federation relationship.