Clean up status list config options and support for terse lists.

lib/CredentialStatusWriter.js

@@ -341,7 +341,7 @@ export class CredentialStatusWriter {
       credentialStatus.statusPurpose = statusPurpose;
     } else {
       // assume `TerseBitstringStatusList`
-      credentialStatus.type = 'TerseBitstringStatusList';
+      credentialStatus.type = 'TerseBitstringStatusListEntry';
       // this type of status list uses `terseStatusListIndex` in VCs instead,
       // which is expressed as an offset into total list index space instead of
       // into the individual status list
@@ -350,6 +350,11 @@ export class CredentialStatusWriter {
       // the property value is an integer not a string
       credentialStatus.terseStatusListIndex = offset;
       meta.credentialStatus.terseStatusListIndex = offset;
+
+      // FIXME: remove once `TerseBitstringStatusList` context is installed
+      credentialStatus.type = 'StatusList2021Entry';
+      credentialStatus.statusListIndex = `${statusListIndex}`;
+      delete credentialStatus.terseStatusListIndex;
     }
 
     // add credential status if it did not already exist

lib/ListManager.js

@@ -463,10 +463,6 @@ export class ListManager {
   // creates the next SLs on demand and updates the current LM doc content
   // (without writing to the database) with a new set of SLC IDs for next time
   async _createNextStatusLists() {
-    // FIXME: may need to store more than just status list IDs... must store
-    // enough information to enable every `credentialStatus` entry to be
-    // created (but might be able to leverage `statusListConfig` for this)
-
     // get next status lists metadata
     const {nextStatusLists} = this.lmDoc.content;
     console.log('nextStatusLists', nextStatusLists);
@@ -535,9 +531,7 @@ export class ListManager {
     const {edvClient} = this;
 
     // try to find existing LMD using `indexAllocator` as ID
-    const {statusListConfig: {indexAllocator, terse, options}} = this;
-    // FIXME: get needed appropriate status list config options
-    //const {statusPurpose, terse, options} = this.statusListConfig;
+    const {statusListConfig: {indexAllocator, type: listType, options}} = this;
     const equals = {'content.id': indexAllocator};
     while(true) {
       // find existing LMD
@@ -564,10 +558,8 @@ export class ListManager {
         },
         meta: {type}
       };
-      // FIXME: add `terse` options
-      // FIXME: ensure that `listCount` default is set when the status list
-      // config was created
-      if(terse) {
+      // track list assignment when using `TerseBitstringStatusList`
+      if(listType === 'TerseBitstringStatusList') {
         const bs = new Bitstring({length: options.listCount});
         lmDoc.content.listAssignment = {
           assignedLists: await bs.encodeBits(),

lib/constants.js

@@ -1,9 +1,14 @@
 /*!
  * Copyright (c) 2024 Digital Bazaar, Inc. All rights reserved.
  */
-// max list size is MAX_BLOCK_COUNT * MAX_BLOCK_SIZE = 131072
-export const MAX_BLOCK_COUNT = 4096;
-export const MAX_BLOCK_SIZE = 32;
+export const DEFAULT_BLOCK_COUNT = 4096;
+export const DEFAULT_BLOCK_SIZE = 32;
+
+// default `TerseBitstringStatusList` list count is 32-bit integer size
+export const DEFAULT_TERSE_LIST_COUNT = 0x100000000;
+
+// max list size is DEFAULT_BLOCK_COUNT * DEFAULT_BLOCK_SIZE = 131072
+export const MAX_LIST_SIZE = DEFAULT_BLOCK_COUNT * DEFAULT_BLOCK_SIZE;
 
 // maximum number of lists this software can keep track of (applies only to
 // status list configurations where the number of lists is limited)

lib/index.js

@@ -4,10 +4,13 @@
 import * as bedrock from '@bedrock/core';
 import * as issuer from './issuer.js';
 import {createService, schemas} from '@bedrock/service-core';
+import {
+  DEFAULT_BLOCK_COUNT, DEFAULT_BLOCK_SIZE, DEFAULT_TERSE_LIST_COUNT,
+  MAX_LIST_SIZE, serviceType
+} from './constants.js';
 import {
   issueOptions, statusListOptions
 } from '../schemas/bedrock-vc-issuer.js';
-import {MAX_BLOCK_COUNT, MAX_BLOCK_SIZE} from './constants.js';
 import {
   addRoutes as addContextStoreRoutes
 } from '@bedrock/service-context-store';
@@ -22,8 +25,6 @@ import './config.js';
 
 export {issuer};
 
-const serviceType = 'vc-issuer';
-
 bedrock.events.on('bedrock.init', async () => {
   // add customizations to config validators...
   const createConfigBody = klona(schemas.createConfigBody);
@@ -141,16 +142,34 @@ async function validateConfigFn({config, op, existingConfig} = {}) {
 
       // set default options
       const options = {
-        blockCount: MAX_BLOCK_COUNT,
-        blockSize: MAX_BLOCK_SIZE,
+        blockCount: DEFAULT_BLOCK_COUNT,
+        blockSize: DEFAULT_BLOCK_SIZE,
         ...statusConfig.options
       };
-      // ensure list size is a multiple of 8
+      // ensure list size is a multiple of 8 and less than the max list size
       const listSize = options.blockCount * options.blockSize;
       if(listSize % 8 !== 0) {
         throw new Error(
           `Total status list size (${listSize}) must be a multiple of 8.`);
       }
+      if(listSize > MAX_LIST_SIZE) {
+        throw new Error(
+          `Total status list size (${listSize}) must be less than ` +
+          `${MAX_LIST_SIZE}.`);
+      }
+      // `listCount` checks...
+      if(options.listCount !== undefined) {
+        if(type !== 'TerseBitstringStatusList') {
+          throw new Error(
+            '"listCount" can only be used with "TerseBitstringStatusList".');
+        }
+      }
+      if(type === 'TerseBitstringStatusList') {
+        // must be a list count for `TerseBitstringStatusList`
+        if(options.listCount === undefined) {
+          options.listCount = DEFAULT_TERSE_LIST_COUNT;
+        }
+      }
       statusConfig.options = options;
 
       getSuiteParams({config, suiteName});

schemas/bedrock-vc-issuer.js

@@ -2,7 +2,7 @@
  * Copyright (c) 2022-2024 Digital Bazaar, Inc. All rights reserved.
  */
 import {
-  MAX_BLOCK_COUNT, MAX_BLOCK_SIZE, MAX_LIST_COUNT
+  DEFAULT_BLOCK_COUNT, DEFAULT_BLOCK_SIZE, MAX_LIST_COUNT
 } from '../lib/constants.js';
 
 const context = {
@@ -88,12 +88,12 @@ export const statusListConfig = {
         blockCount: {
           type: 'integer',
           minimum: 1,
-          maximum: MAX_BLOCK_COUNT
+          maximum: DEFAULT_BLOCK_COUNT
         },
         blockSize: {
           type: 'integer',
           minimum: 1,
-          maximum: MAX_BLOCK_SIZE
+          maximum: DEFAULT_BLOCK_SIZE
         },
         // note: some list types will require a `listCount`, each having their
         // own different list count limits and defaults applied elsewhere; the