feat(contracts): Removed need of feesink template var.

The feeSinkAddr template variable was removed as it was redundant. Refactored the logic to directly retrieve the feeSink address from the blockchain blocks. All relevant method invocations were updated accordingly.
Updated test to reference fee sink address that is default in devnet/localnet (A7NMWS3NT3IUDMLVO26ULGXGIIOUQ3ND2TXSER6EBGRZNOBOUIQXHIBGDE) which should match what the contracts use in saturated excess sends.

contracts/__test__/contracts.test.ts

@@ -37,7 +37,7 @@ import {
  ValidatorPoolKey,
 } from '../helpers/helpers'
 
-const FEE_SINK_ADDR = 'Y76M3MSY6DKBRHBL7C3NNDXGS5IIMQVQVUAB6MP4XEMMGVF2QWNPL226CA'
+const FEE_SINK_ADDR = 'A7NMWS3NT3IUDMLVO26ULGXGIIOUQ3ND2TXSER6EBGRZNOBOUIQXHIBGDE'
 
 const MaxPoolsPerNode = 3
 // Periodically set this to max amount allowed in protocol (200 atm) but when testing more frequently this should be lowered to something like 20 stakers
@@ -77,7 +77,6 @@ beforeAll(async () => {
  const { approvalCompiled } = await poolClient.appClient.compile({
  deployTimeParams: {
  nfdRegistryAppId: 0,
- feeSinkAddr: decodeAddress(FEE_SINK_ADDR).publicKey,
  },
  })
  validatorMasterClient = new ValidatorRegistryClient(

contracts/bootstrap/index.ts

@@ -141,7 +141,6 @@ async function main() {
  id: 0,
  deployTimeParams: {
  nfdRegistryAppId: Number(registryAppID),
- feeSinkAddr: decodeAddress(feeSink).publicKey,
  },
  },
  algorand.client.algod,