feat(iota-core): gas price feedback mechanism for transactions cancelled due to congestion

Cargo.toml

@@ -435,7 +435,7 @@ iota-rosetta = { path = "crates/iota-rosetta" }
 iota-rpc-loadgen = { path = "crates/iota-rpc-loadgen" }
 iota-sdk = { path = "crates/iota-sdk" }
 # core-types with json format for REST API
-iota-sdk2 = { package = "iota-rust-sdk", git = "https://github.com/iotaledger/iota-rust-sdk.git", rev = "6bb6e45fea2c266f9c15dd89f26f68631c2d37a8", features = ["hash", "serde", "schemars"] }
+iota-sdk2 = { package = "iota-rust-sdk", git = "https://github.com/iotaledger/iota-rust-sdk.git", rev = "cd97687c9316045351d7db8b389ea381a5c335e1", features = ["hash", "serde", "schemars"] }
 iota-simulator = { path = "crates/iota-simulator" }
 iota-snapshot = { path = "crates/iota-snapshot" }
 iota-source-validation = { path = "crates/iota-source-validation" }

crates/iota-benchmark/src/workloads/batch_payment.rs

@@ -39,7 +39,11 @@ const PRIMARY_COIN_VALUE: u64 = 100 * NANOS_PER_IOTA;
 /// Number of nanos sent to each address on each batch transfer
 const BATCH_TRANSFER_AMOUNT: u64 = 1;
 
-const DUMMY_GAS: ObjectRef = (ObjectID::ZERO, SequenceNumber::MIN, ObjectDigest::MIN);
+const DUMMY_GAS: ObjectRef = (
+    ObjectID::ZERO,
+    SequenceNumber::MIN_VALID_INCL,
+    ObjectDigest::MIN,
+);
 
 #[derive(Debug)]
 pub struct BatchPaymentTestPayload {

crates/iota-benchmark/tests/simtest.rs

@@ -676,7 +676,10 @@ mod test {
             let num_objs = thread_rng().gen_range(1..15);
             let mut assigned_object_versions = Vec::new();
             for _ in 0..num_objs {
-                assigned_object_versions.push((ObjectID::random(), SequenceNumber::CONGESTED));
+                assigned_object_versions.push((
+                    ObjectID::random(),
+                    SequenceNumber::new_congested_with_suggested_gas_price(1_000),
+                ));
             }
             additional_cancelled_txns.push((TransactionDigest::random(), assigned_object_versions));
         }

crates/iota-core/src/authority.rs

@@ -207,6 +207,7 @@ pub mod authority_store_types;
 pub mod epoch_start_configuration;
 pub mod shared_object_congestion_tracker;
 pub mod shared_object_version_manager;
+pub mod suggested_gas_price_calculator;
 pub mod test_authority_builder;
 pub mod transaction_deferral;