Upgrade num to 0.2, use enum-primitive-derive

ethcore/builtin/Cargo.toml

@@ -14,7 +14,7 @@ ethereum-types = "0.9.0"
 ethjson = { path = "../../json" }
 keccak-hash = "0.5.0"
 log = "0.4"
-num = { version = "0.1", default-features = false, features = ["bigint"] }
+num = "0.2"
 parity-bytes = "0.1"
 parity-crypto = { version = "0.6.1", features = ["publickey"] }
 eth_pairings = { git = "https://github.com/matter-labs/eip1962.git", default-features = false, features = ["eip_2537"], rev = "ece6cbabc41948db4200e41f0bfdab7ab94c7af8" }

ethcore/sync/Cargo.toml

@@ -13,7 +13,7 @@ bytes = { package = "parity-bytes", version = "0.1" }
 client-traits = { path = "../client-traits" }
 common-types = { path = "../types" }
 devp2p = { package = "ethcore-network-devp2p", path = "../../util/network-devp2p" }
-enum_primitive = "0.1.1"
+enum-primitive-derive = "0.2"
 ethcore-io = { path = "../../util/io" }
 ethcore-private-tx = { path = "../private-tx" }
 ethereum-forkid = "0.2"
@@ -25,6 +25,7 @@ keccak-hash = "0.5.0"
 light = { package = "ethcore-light", path = "../light" }
 log = "0.4"
 network = { package = "ethcore-network", path = "../../util/network" }
+num-traits = "0.2"
 parity-runtime = "0.1.1"
 parity-crypto = { version = "0.6.1", features = ["publickey"] }
 parity-util-mem = "0.6.0"

ethcore/sync/src/chain/handler.rs

@@ -38,7 +38,7 @@ use crate::{
 };
 
 use bytes::Bytes;
-use enum_primitive::FromPrimitive;
+use num_traits::FromPrimitive;
 use ethereum_types::{H256, U256};
 use keccak_hash::keccak;
 use network::PeerId;

ethcore/sync/src/chain/supplier.rs

@@ -20,7 +20,7 @@ use std::time::{Duration, Instant};
 use crate::sync_io::SyncIo;
 
 use bytes::Bytes;
-use enum_primitive::FromPrimitive;
+use num_traits::FromPrimitive;
 use ethereum_types::H256;
 use log::{debug, trace, warn};
 use network::{self, PeerId};

ethcore/sync/src/chain/sync_packet.rs

@@ -25,42 +25,40 @@
 use crate::api::{ETH_PROTOCOL, WARP_SYNC_PROTOCOL_ID};
 use self::SyncPacket::*;
 
-use enum_primitive::{enum_from_primitive, enum_from_primitive_impl, enum_from_primitive_impl_ty};
+use enum_primitive_derive::Primitive;
 use network::{PacketId, ProtocolId};
 
-enum_from_primitive! {
-	/// An enum that defines all known packet ids in the context of
-	/// synchronization and provides a mechanism to convert from
-	/// packet ids (of type PacketId or u8) directly read from the network
-	/// to enum variants. This implicitly provides a mechanism to
-	/// check whether a given packet id is known, and to prevent
-	/// packet id clashes when defining new ids.
-	#[derive(Clone, Copy, Debug, PartialEq)]
-	pub enum SyncPacket {
-		StatusPacket = 0x00,
-		NewBlockHashesPacket = 0x01,
-		TransactionsPacket = 0x02,
-		GetBlockHeadersPacket = 0x03,
-		BlockHeadersPacket = 0x04,
-		GetBlockBodiesPacket = 0x05,
-		BlockBodiesPacket = 0x06,
-		NewBlockPacket = 0x07,
-
-		GetNodeDataPacket = 0x0d,
-		NodeDataPacket = 0x0e,
-		GetReceiptsPacket = 0x0f,
-		ReceiptsPacket = 0x10,
-
-		GetSnapshotManifestPacket = 0x11,
-		SnapshotManifestPacket = 0x12,
-		GetSnapshotDataPacket = 0x13,
-		SnapshotDataPacket = 0x14,
-		ConsensusDataPacket = 0x15,
-		PrivateTransactionPacket = 0x16,
-		SignedPrivateTransactionPacket = 0x17,
-		GetPrivateStatePacket = 0x18,
-		PrivateStatePacket = 0x19,
-	}
+/// An enum that defines all known packet ids in the context of
+/// synchronization and provides a mechanism to convert from
+/// packet ids (of type PacketId or u8) directly read from the network
+/// to enum variants. This implicitly provides a mechanism to
+/// check whether a given packet id is known, and to prevent
+/// packet id clashes when defining new ids.
+#[derive(Clone, Copy, Debug, PartialEq, Primitive)]
+pub enum SyncPacket {
+	StatusPacket = 0x00,
+	NewBlockHashesPacket = 0x01,
+	TransactionsPacket = 0x02,
+	GetBlockHeadersPacket = 0x03,
+	BlockHeadersPacket = 0x04,
+	GetBlockBodiesPacket = 0x05,
+	BlockBodiesPacket = 0x06,
+	NewBlockPacket = 0x07,
+
+	GetNodeDataPacket = 0x0d,
+	NodeDataPacket = 0x0e,
+	GetReceiptsPacket = 0x0f,
+	ReceiptsPacket = 0x10,
+
+	GetSnapshotManifestPacket = 0x11,
+	SnapshotManifestPacket = 0x12,
+	GetSnapshotDataPacket = 0x13,
+	SnapshotDataPacket = 0x14,
+	ConsensusDataPacket = 0x15,
+	PrivateTransactionPacket = 0x16,
+	SignedPrivateTransactionPacket = 0x17,
+	GetPrivateStatePacket = 0x18,
+	PrivateStatePacket = 0x19,
 }
 
 
@@ -118,7 +116,7 @@ impl PacketInfo for SyncPacket {
 #[cfg(test)]
 mod tests {
 	use super::*;
-	use enum_primitive::FromPrimitive;
+	use num_traits::FromPrimitive;
 
 	#[test]
 	fn packet_ids_from_u8_when_from_primitive_zero_then_equals_status_packet() {