Merge pull request #9639 from BitGo/WCN-2552/bump-wasm-mps

chore(sdk-lib-mpc): bump @bitgo/wasm-mps to 1.14.0

Author: danielpeng1

modules/sdk-lib-mpc/package.json

@@ -36,7 +36,7 @@
     ]
   },
   "dependencies": {
-    "@bitgo/wasm-mps": "1.13.0",
+    "@bitgo/wasm-mps": "1.14.0",
     "@noble/curves": "1.8.1",
     "@silencelaboratories/dkls-wasm-ll-node": "1.2.0-pre.4",
     "@silencelaboratories/dkls-wasm-ll-vrf-node": "1.0.0-pre.9",

modules/sdk-lib-mpc/test/unit/tss/eddsa/vrf.ts

@@ -0,0 +1,85 @@
+import assert from 'assert';
+import crypto from 'crypto';
+import { isLeft } from 'fp-ts/Either';
+import * as t from 'io-ts';
+import { generateEdDsaDKGKeyShares } from './util';
+
+const otherIndices: ReadonlyArray<ReadonlyArray<number>> = [
+  [1, 2],
+  [0, 2],
+  [0, 1],
+];
+
+const Uint8ArrayCodec = new t.Type<Uint8Array, Uint8Array, unknown>(
+  'Uint8Array',
+  (u): u is Uint8Array => u instanceof Uint8Array,
+  (u, c) => (u instanceof Uint8Array ? t.success(u) : t.failure(u, c)),
+  t.identity
+);
+
+/** wasm-mps round1 VRF messages are a party-id → bytes map. */
+const VrfDkgRound1Msg = t.record(t.string, Uint8ArrayCodec);
+
+function vrfRound1MsgForParty(msg: unknown, partyId: number): Uint8Array {
+  const decoded = VrfDkgRound1Msg.decode(msg);
+  if (isLeft(decoded)) {
+    throw new Error('VRF DKG round1 message is not a party-id map of byte arrays');
+  }
+  const bytes = decoded.right[String(partyId)];
+  if (bytes === undefined) {
+    throw new Error(`VRF DKG round1 message missing party ${partyId}`);
+  }
+  return bytes;
+}
+
+describe('EdDSA MPS VRF DKG and hard derive (@bitgo/wasm-mps)', function () {
+  it('completes a 2-of-3 VRF DKG and a 2-party hard derive', async function () {
+    const mps = await import('@bitgo/wasm-mps');
+    const [user, backup, bitgo] = await generateEdDsaDKGKeyShares();
+    const rootShares = [user.getKeyShare(), backup.getKeyShare(), bitgo.getKeyShare()];
+
+    const vrfRound0 = [0, 1, 2].map((i) => mps.ed25519_vrf_dkg_round0_process(i, crypto.randomBytes(32)));
+    const vrfRound1 = [0, 1, 2].map((i) =>
+      mps.ed25519_vrf_dkg_round1_process(
+        otherIndices[i].map((j) => vrfRound0[j].msg),
+        vrfRound0[i].state
+      )
+    );
+    const vrfShares = [0, 1, 2].map((i) =>
+      mps.ed25519_vrf_dkg_round2_process(
+        otherIndices[i].map((j) => vrfRound1MsgForParty(vrfRound1[j].msg, i)),
+        vrfRound1[i].state
+      )
+    );
+    for (const share of vrfShares) {
+      assert.ok(share.share.length > 0);
+    }
+
+    const path = "m/0'";
+    const deriveRound0 = [0, 2].map((i) =>
+      mps.ed25519_hard_derive_round0_process(vrfShares[i].share, rootShares[i], path)
+    );
+    const deriveRound1 = [0, 1].map((i) =>
+      mps.ed25519_hard_derive_round1_process(deriveRound0[1 - i].msg, deriveRound0[i].state)
+    );
+    const derived = [0, 1].map((i) =>
+      mps.ed25519_hard_derive_round2_process(deriveRound1[1 - i].msg, deriveRound1[i].state)
+    );
+
+    const backupDeriveRound0 = [0, 1].map((i) =>
+      mps.ed25519_hard_derive_round0_process(vrfShares[i].share, rootShares[i], path)
+    );
+    const backupDeriveRound1 = [0, 1].map((i) =>
+      mps.ed25519_hard_derive_round1_process(backupDeriveRound0[1 - i].msg, backupDeriveRound0[i].state)
+    );
+    const backupDerived = [0, 1].map((i) =>
+      mps.ed25519_hard_derive_round2_process(backupDeriveRound1[1 - i].msg, backupDeriveRound1[i].state)
+    );
+
+    assert.deepStrictEqual(derived[0].pk, derived[1].pk);
+    assert.deepStrictEqual(derived[0].chaincode, derived[1].chaincode);
+    assert.notDeepStrictEqual(Buffer.from(derived[0].pk), user.getSharePublicKey());
+    assert.deepStrictEqual(backupDerived[0].pk, derived[0].pk);
+    assert.deepStrictEqual(backupDerived[0].chaincode, derived[0].chaincode);
+  });
+});

yarn.lock

@@ -1037,10 +1037,10 @@
   resolved "https://registry.npmjs.org/@bitgo/wasm-dot/-/wasm-dot-1.7.0.tgz"
   integrity sha512-KoXavJvyDHlEN+sWcigbgxYJtdFaU7gS0EkYQbNH4npVjNlzo6rL6gwjyWbyOy7oEs65DhpJ9vY5kRbE/bKiTQ==
 
-"@bitgo/wasm-mps@1.13.0":
-  version "1.13.0"
-  resolved "https://registry.npmjs.org/@bitgo/wasm-mps/-/wasm-mps-1.13.0.tgz#375dd227ff3b531a6a740e0b1220717fff7e69de"
-  integrity sha512-Q+15btbNLbe3vMAaGqcMwXI9oAFTb85Ix951KjwOs97Worrj25RtJdri4vOFzRkzkwQsGCmeEDo4U1DvFmjykw==
+"@bitgo/wasm-mps@1.14.0":
+  version "1.14.0"
+  resolved "https://registry.npmjs.org/@bitgo/wasm-mps/-/wasm-mps-1.14.0.tgz#5a5dece54486006852735651df7a63f7f61fc050"
+  integrity sha512-PDVU5Yg8HWy6fHH0iHstUXKLNggyXXGMCSAFCfaVSi36bfFuRKa5fd2ljMGKHl6RaAhQOvv4h2njVomYtjADEQ==
 
 "@bitgo/wasm-solana@^2.6.0":
   version "2.6.0"