wip: claimNetworkNode payload

src/claims/payloads/claimNetworkNode.ts

@@ -0,0 +1,69 @@
+import type { Claim, SignedClaim } from '../types';
+import type { NodeIdEncoded } from '../../ids/types';
+import * as ids from '../../ids';
+import * as claimsUtils from '../utils';
+import * as tokensUtils from '../../tokens/utils';
+import * as validationErrors from '../../validation/errors';
+import * as utils from '../../utils';
+
+/**
+ * Asserts that a node is apart of a network
+ */
+interface ClaimNetworkNode extends Claim {
+  typ: 'ClaimNetworkNode';
+  iss: NodeIdEncoded;
+  sub: NodeIdEncoded;
+}
+
+
+function assertClaimNetworkNode(
+  claimNetworkNode: unknown,
+): asserts claimNetworkNode is ClaimNetworkNode {
+  if (!utils.isObject(claimNetworkNode)) {
+    throw new validationErrors.ErrorParse('must be POJO');
+  }
+  if (claimNetworkNode['typ'] !== 'ClaimNetworkNode') {
+    throw new validationErrors.ErrorParse(
+      '`typ` property must be `ClaimNetworkNode`',
+    );
+  }
+  if (
+    claimNetworkNode['iss'] == null ||
+    ids.decodeNodeId(claimNetworkNode['iss']) == null
+  ) {
+    throw new validationErrors.ErrorParse(
+      '`iss` property must be an encoded node ID',
+    );
+  }
+  if (
+    claimNetworkNode['sub'] == null ||
+    ids.decodeNodeId(claimNetworkNode['sub']) == null
+  ) {
+    throw new validationErrors.ErrorParse(
+      '`sub` property must be an encoded node ID',
+    );
+  }
+}
+
+function parseClaimNetworkNode(claimNetworkNodeEncoded: unknown): ClaimNetworkNode {
+  const claimNetworkNode = claimsUtils.parseClaim(claimNetworkNodeEncoded);
+  assertClaimNetworkNode(claimNetworkNode);
+  return claimNetworkNode;
+}
+
+function parseSignedClaimNetworkNode(
+  signedClaimNetworkNodeEncoded: unknown,
+): SignedClaim<ClaimNetworkNode> {
+  const signedClaim = tokensUtils.parseSignedToken(signedClaimNetworkNodeEncoded);
+  assertClaimNetworkNode(signedClaim.payload);
+  return signedClaim as SignedClaim<ClaimNetworkNode>;
+}
+
+
+export {
+  assertClaimNetworkNode,
+  parseClaimNetworkNode,
+  parseSignedClaimNetworkNode,
+};
+
+export type { ClaimNetworkNode };