Move network constants into runtime::builtin::network

runtime/src/builtin/network.rs

@@ -1,12 +1,12 @@
 // Copyright 2019-2022 ChainSafe Systems
 // SPDX-License-Identifier: Apache-2.0, MIT
 
-use fvm_shared::clock::EPOCH_DURATION_SECONDS;
-pub use fvm_shared::BLOCKS_PER_EPOCH as EXPECTED_LEADERS_PER_EPOCH;
-
+pub const EPOCH_DURATION_SECONDS: i64 = 30;
 pub const SECONDS_IN_HOUR: i64 = 3600;
 pub const SECONDS_IN_DAY: i64 = 86400;
 pub const SECONDS_IN_YEAR: i64 = 31556925;
 pub const EPOCHS_IN_HOUR: i64 = SECONDS_IN_HOUR / EPOCH_DURATION_SECONDS;
 pub const EPOCHS_IN_DAY: i64 = SECONDS_IN_DAY / EPOCH_DURATION_SECONDS;
 pub const EPOCHS_IN_YEAR: i64 = SECONDS_IN_YEAR / EPOCH_DURATION_SECONDS;
+
+pub const EXPECTED_LEADERS_PER_EPOCH: u64 = 5;

runtime/src/lib.rs

@@ -8,7 +8,6 @@ use fvm_ipld_blockstore::Blockstore;
 use fvm_ipld_hamt::Sha256;
 use fvm_ipld_hamt::{BytesKey, Error as HamtError, Hamt};
 use fvm_shared::bigint::BigInt;
-pub use fvm_shared::BLOCKS_PER_EPOCH as EXPECTED_LEADERS_PER_EPOCH;
 use serde::de::DeserializeOwned;
 use serde::Serialize;
 use unsigned_varint::decode::Error as UVarintError;

runtime/src/runtime/policy.rs

@@ -221,7 +221,6 @@ impl Default for Policy {
 
 pub mod policy_constants {
     use fvm_shared::clock::ChainEpoch;
-    use fvm_shared::clock::EPOCH_DURATION_SECONDS;
     use fvm_shared::sector::SectorNumber;
 
     use crate::builtin::*;