write tasks inside of workers

lib/workers/db-worker.js

@@ -419,6 +419,10 @@ const runTasks = function (data, cb) {
     Env.tasks.runAll(cb);
 };
 
+const writeTask = function (data, cb) {
+    Env.tasks.write(data.time, data.task_command, data.args, cb);
+};
+
 const COMMANDS = {
     COMPUTE_INDEX: computeIndex,
     COMPUTE_METADATA: computeMetadata,
@@ -431,6 +435,7 @@ const COMMANDS = {
     GET_HASH_OFFSET: getHashOffset,
     REMOVE_OWNED_BLOB: removeOwnedBlob,
     RUN_TASKS: runTasks,
+    WRITE_TASK: writeTask,
 };
 
 COMMANDS.INLINE = function (data, cb) {