chore(constants): create TWO_WEEKS constants in defaults.rs to use ev…

…erywhere instead of inlining the value

This constant can be used everywhere except in the data_structures package where including it introduces a
cyclic dependency conflict.

config/src/defaults.rs

@@ -511,6 +511,9 @@ pub const PSEUDO_CONSENSUS_CONSTANTS_POS_UNSTAKING_DELAY_SECONDS: u64 = 1_209_60
 /// Minimum amount of nanoWits which need to be staked before wit/2 activation
 pub const PSEUDO_CONSENSUS_CONSTANTS_POS_MIN_TOTAL_STAKE_NANOWITS: u64 = 300_000_000_000_000_000;
 
+/// The number of epochs elapsed during a period of two weeks with a block time of 45 seconds
+pub const PSEUDO_CONSENSUS_CONSTANTS_TWO_WEEKS: u32 = 26_880;
+
 /// Struct that will implement all the development defaults
 pub struct Development;
 

data_structures/src/chain/tapi.rs

@@ -5,6 +5,8 @@ use crate::{
 use serde::{Deserialize, Serialize};
 use std::collections::{HashMap, HashSet};
 
+const TWO_WEEKS: u32 = 26880;
+
 /// Committee for superblock indices 750-1344
 const FIRST_EMERGENCY_COMMITTEE: [&str; 7] = [
     "wit1asdpcspwysf0hg5kgwvgsp2h6g65y5kg9gj5dz",
@@ -196,7 +198,7 @@ impl TapiEngine {
                 // Hardcoded information about WIPs in vote processing
                 let wip_0028 = BitVotesCounter {
                     votes: 0,
-                    period: 26880,
+                    period: TWO_WEEKS,
                     wip: "WIP0028".to_string(),
                     // Start signaling on December 14 at 9am UTC
                     init: 2922240,

node/src/actors/chain_manager/mod.rs

@@ -52,6 +52,7 @@ use witnet_config::{
     config::Tapi,
     defaults::{
         PSEUDO_CONSENSUS_CONSTANTS_POS_MIN_TOTAL_STAKE_NANOWITS,
+        PSEUDO_CONSENSUS_CONSTANTS_TWO_WEEKS,
         PSEUDO_CONSENSUS_CONSTANTS_WIP0022_REWARD_COLLATERAL_RATIO,
         PSEUDO_CONSENSUS_CONSTANTS_WIP0027_COLLATERAL_AGE,
     },
@@ -123,6 +124,7 @@ mod handlers;
 pub mod mining;
 
 const POS_MIN_TOTAL_STAKE_NANOWITS: u64 = PSEUDO_CONSENSUS_CONSTANTS_POS_MIN_TOTAL_STAKE_NANOWITS;
+const TWO_WEEKS: u32 = PSEUDO_CONSENSUS_CONSTANTS_TWO_WEEKS;
 
 /// Maximum blocks number to be sent during synchronization process
 pub const MAX_BLOCKS_SYNC: usize = 500;
@@ -1036,11 +1038,13 @@ impl ChainManager {
                         if stakes.total_staked() >= Wit::from(POS_MIN_TOTAL_STAKE_NANOWITS) {
                             register_protocol_version(
                                 ProtocolVersion::V2_0,
-                                block_epoch + 26880,
+                                block_epoch + TWO_WEEKS,
                                 20,
                             );
                             if let Some(epoch_constants) = &mut self.epoch_constants {
-                                match epoch_constants.set_values_for_wit2(20, block_epoch + 26880) {
+                                match epoch_constants
+                                    .set_values_for_wit2(20, block_epoch + TWO_WEEKS)
+                                {
                                     Ok(_) => (),
                                     Err(_) => panic!("Could not set wit/2 checkpoint variables"),
                                 };