[beta] Cancel Transaction (#5656)

* option to disable persistent txqueue (#5544)

* option to disable persistent txqueue

* New option goes with kin

* Remove transaction RPC (#4949)

* Cancel tx JS (#4958)

* Remove transaction RPC

* Bumping multihash and libc

* Updating nanomsg

* bump nanomsg

* cancel tx

* cancel-tx-js

* cancel-tx-js

* cancel-tx-js

* cancel-tx-hs

* cancel-tx-js

* cancel-tx-js

* cancel-tx-js

* small fixes

* edit & time till submit

* edit & time till submit

* updates

* updates

* udpates

* udpates

* grumbles

* step 1

* Wonderful updates

* ready

* small refact

* small refact

* grumbles 1

* ffx2

* good ol' fashioned updates

* latest and greatest

* removeHash

* removeHash

* spec

* fix 1

* fix 1

* fix 2

* fix 2

* ff

* ff

* ff

* updates

* Updating documentation for RPCs (#5392)

* Removing minBlocks occurrencies

* Docs for new RPCs.

* Fixing linting issues, updating *withToken documentatiojn.

* Adding missing RPCs. Fixing tests.

* Fixing lint issues.

js/scripts/build-rpc-markdown.js

@@ -37,7 +37,11 @@ Object.keys(rustMethods).forEach((group) => {
   });
 });
 
-function printType (type) {
+function printType (type, obj) {
+  if (!type) {
+    throw new Error(`Invalid type in ${JSON.stringify(obj)}`);
+  }
+
   return type.print || `\`${type.name}\``;
 }
 
@@ -45,7 +49,7 @@ function formatDescription (obj, prefix = '', indent = '') {
   const optional = obj.optional ? '(optional) ' : '';
   const defaults = obj.default ? `(default: \`${obj.default}\`) ` : '';
 
-  return `${indent}${prefix}${printType(obj.type)} - ${optional}${defaults}${obj.desc}`;
+  return `${indent}${prefix}${printType(obj.type, obj)} - ${optional}${defaults}${obj.desc}`;
 }
 
 function formatType (obj) {