Avoid overflow when computing rent distribution (#12112)

* Avoid overflow when computing rent distribution * Use assert_eq!.... * Fix tests * Add test * Use FeatureSet * Add comments * Address review comments * Tweak a bit. * Fix fmt
2020-10-01 11:59:28 +09:00
parent 8f10e407ee
commit e3773d919c
3 changed files with 138 additions and 13 deletions
--- a/runtime/src/snapshot_utils.rs
+++ b/runtime/src/snapshot_utils.rs
@@ -607,6 +607,7 @@ pub fn bank_from_archive<P: AsRef<Path>>(
        panic!("Snapshot bank for slot {} failed to verify", bank.slot());
    }
    if genesis_config.cluster_type == ClusterType::Testnet {
+        // remove me after we transitions to the fixed rent distribution with no overflow
        let old = bank.set_capitalization();
        if old != bank.capitalization() {
            warn!(