OCM key - svdx id mapping OP#252

Description

https://plan.vereign.com/projects/10/work_packages/252/relations

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Testing

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Checklist

• I have updated the documentation (if necessary)
• I have added unit tests for new functionality (if applicable)
• My code follows the style guidelines of this project
• I have tested this code on my local machine before submitting this MR

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Additional Notes

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libs/askar/src/agent.utils.ts

@@ -65,6 +65,7 @@ import {
   SvdxDidResolver,
   SvdxModule,
   DefaultIpfsClient,
+  SvdxRecordsApi,
 } from "@vereign/credo-did-svdx";
 
 import { SubjectInboundTransport } from "./askar/transports/agent.subject.inbound.transport";
@@ -204,9 +205,45 @@ export const generateDidWeb = async ({
   console.log(JSON.stringify(didDocumentInstance.toJSON(), null, 2));
 };
 
-export const generateRandomDidSvdx = async (agent: Agent) => {
-  const seed = crypto.randomBytes(46).toString("hex");
-  return generateDidSvdx({ agent, seed });
+export const generateDidSvdxForEmail = async (agent: Agent, email: string) => {
+  const activeKeySeed = crypto.randomBytes(46).toString("hex");
+  const nextKeySeed = crypto.randomBytes(46).toString("hex");
+  const activeKey = await generateKey({ seed: activeKeySeed, agent });
+  const nextKey = await generateKey({ seed: nextKeySeed, agent });
+
+  const WalletKeyPair = createWalletKeyPairClass(agent.context.wallet);
+
+  const keyPair = new WalletKeyPair({
+    id: `key-1`,
+    controller: `did:svdx:${activeKey.fingerprint}`,
+    key: activeKey,
+    wallet: agent.context.wallet,
+  });
+
+  const didResult = await agent.dids.create({
+    method: "svdx",
+    options: {
+      inceptionKey: activeKey,
+      nextKey: nextKey,
+      signer: { signer: () => keyPair.signer() },
+    },
+  });
+
+  if (!didResult.didState.didDocument || !didResult.didState.did) {
+    throw new Error("Could not create did svdx");
+  }
+
+  const svdxApi: SvdxRecordsApi = agent.modules["svdx"];
+  await svdxApi.save({
+    email: email,
+    did: didResult.didState.did,
+    activeKey: activeKey.publicKeyBase58,
+    activeKeySeed: activeKeySeed,
+    nextKey: nextKey.publicKeyBase58,
+    nextKeySeed: nextKeySeed,
+  });
+
+  return didResult;
 };
 
 export const generateDidSvdx = async ({