Hardhat task to add an operator to beta operators set for ecdsa

After adding chaosnet feature to the sortition pool, we need to add an operator
to the beta operators set during the operator initialization.

solidity/ecdsa/tasks/initialize.ts

@@ -4,16 +4,19 @@ import {
   TASK_AUTHORIZE,
   TASK_REGISTER,
   TASK_INITIALIZE_STAKING,
+  TASK_ADD_BETA_OPERATOR
 } from "@keep-network/random-beacon/export/tasks/initialize"
 import {
   authorize,
   register,
+  addBetaOperator,
 } from "@keep-network/random-beacon/export/tasks/utils"
 
 // Tasks for the ECDSA application.
 const TASK_INITIALIZE_ECDSA = `${TASK_INITIALIZE}:ecdsa`
 const TASK_AUTHORIZE_ECDSA = `${TASK_AUTHORIZE}:ecdsa`
 const TASK_REGISTER_ECDSA = `${TASK_REGISTER}:ecdsa`
+const TASK_ADD_BETA_OPERATOR_ECDSA = `${TASK_ADD_BETA_OPERATOR}:ecdsa`
 
 task(
   TASK_INITIALIZE,
@@ -39,6 +42,7 @@ task(TASK_INITIALIZE_ECDSA, "Initializes operator for ECDSA")
   .setAction(async (args, hre) => {
     await hre.run(TASK_AUTHORIZE_ECDSA, args)
     await hre.run(TASK_REGISTER_ECDSA, args)
+    await hre.run(TASK_ADD_BETA_OPERATOR_ECDSA, args)
   })
 
 task(TASK_AUTHORIZE_ECDSA, "Sets authorization for ECDSA")
@@ -71,3 +75,11 @@ task(
   .setAction(async (args, hre) => {
     await register(hre, "WalletRegistry", args.provider, args.operator)
   })
+
+  task(
+    TASK_ADD_BETA_OPERATOR_ECDSA,
+    "Adds an operator to the set of beta operators in ECDSA"
+  ).addParam("operator", "Operator Address", undefined, types.string)
+  .setAction(async (args, hre) => {
+    await addBetaOperator(hre, "EcdsaSortitionPool", args.operator)
+  })