Update crypto-com-chain branch (#1)

* build(deps): update tai64 requirement from 2 to 3 (informalsystems#22)

Updates the requirements on [tai64](https://github.com/iqlusioninc/crates) to permit the latest version.
- [Release notes](https://github.com/iqlusioninc/crates/releases)
- [Commits](iqlusioninc/crates@canonical-path/v2.0.0...tai64/3.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

* max_gas should be i64, can be -1

* remove unneed clones

* remove secret_connection

* implement utility traits for tendermint data types

tendermint/Cargo.toml

@@ -28,12 +28,9 @@ authors = [
 circle-ci = { repository = "interchainio/tendermint-rs" }
 
 [dependencies]
-byteorder = { version = "1.2" }
 bytes = "0.4"
 chrono = { version = "0.4", features = ["serde"] }
-digest = "0.8"
 failure = "0.1"
-hkdf = { version = "0.7" }
 hyper = { version = "0.10" }
 prost-amino = { version = "0.4.0" }
 prost-amino-derive = { version = "0.4.0" }
@@ -48,7 +45,6 @@ subtle-encoding = { version = "0.3", features = ["bech32-preview"] }
 tai64 = { version = "3", features = ["chrono"] }
 toml = { version = "0.5" }
 uuid = { version = "0.7", default-features = false }
-x25519-dalek = { version = "0.5", default-features = false, features = ["u64_backend"] }
 zeroize = { version = "0.9" }
 
 [dev-dependencies]

tendermint/src/abci/transaction/hash.rs

@@ -2,6 +2,7 @@
 
 use crate::error::{Error, ErrorKind};
 use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
+use sha2::{Digest, Sha256};
 use std::{
     fmt::{self, Debug, Display},
     str::FromStr,
@@ -30,7 +31,9 @@ impl Hash {
 
 impl Default for Hash {
     fn default() -> Hash {
-        Hash([0; LENGTH])
+        // hash of empty data
+        let mut bytes = [0u8; LENGTH];
+        bytes.copy_from_slice(&Sha256::digest(&[])[..LENGTH]);
     }
 }
 

tendermint/src/node/info.rs

@@ -62,6 +62,11 @@ pub struct ProtocolVersionInfo {
 pub struct ListenAddress(String);
 
 impl ListenAddress {
+    /// Construct `ListenAddress`
+    pub fn new(s: String) -> ListenAddress {
+        ListenAddress(s)
+    }
+
     /// Convert `ListenAddress` to a `net::Address`
     pub fn to_net_address(&self) -> Option<net::Address> {
         // TODO(tarcieri): validate these and handle them better at parse time

tendermint/src/rpc/endpoint/broadcast/tx_async.rs

@@ -29,7 +29,7 @@ impl rpc::Request for Request {
 }
 
 /// Response from either an async or sync transaction broadcast request.
-#[derive(Clone, Debug, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, Serialize, Default)]
 pub struct Response {
     /// Code
     pub code: Code,

tendermint/src/rpc/endpoint/broadcast/tx_commit.rs

@@ -34,7 +34,7 @@ impl rpc::Request for Request {
 }
 
 /// Response from `/broadcast_tx_commit`.
-#[derive(Clone, Debug, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, Serialize, Default)]
 pub struct Response {
     /// `CheckTx` result
     pub check_tx: TxResult,
@@ -52,7 +52,7 @@ pub struct Response {
 impl rpc::Response for Response {}
 
 /// Results from either `CheckTx` or `DeliverTx`.
-#[derive(Clone, Debug, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, Serialize, Default)]
 pub struct TxResult {
     /// Code
     pub code: Code,