Adds ability to serialise Raw Sui Swap transactions (#4247)

* Adds ability to serialise Raw Sui Swap transactions

* Adds sui compile test for raw json

* Addresses review comments

* Use serde::as_string instead of serde_with crate

* Use specified values for gas budget and gas price if provided

* Addresses review comment

rust/chains/tw_sui/Cargo.toml

@@ -7,11 +7,12 @@ edition = "2021"
 indexmap = "2.0"
 move-core-types = { git = "https://github.com/move-language/move", rev = "ea70797099baea64f05194a918cebd69ed02b285", features = ["address32"] }
 serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
 serde_repr = "0.1"
 tw_coin_entry = { path = "../../tw_coin_entry" }
 tw_encoding = { path = "../../tw_encoding" }
 tw_hash = { path = "../../tw_hash" }
 tw_keypair = { path = "../../tw_keypair" }
 tw_memory = { path = "../../tw_memory" }
-tw_misc = { path = "../../tw_misc" }
+tw_misc = { path = "../../tw_misc", features = ["serde"] }
 tw_proto = { path = "../../tw_proto" }

rust/chains/tw_sui/src/modules/tx_builder.rs

@@ -53,6 +53,7 @@ impl<'a> TWTransactionBuilder<'a> {
             TransactionType::transfer_object(ref transfer_obj) => {
                 self.transfer_object_from_proto(transfer_obj)
             },
+            TransactionType::raw_json(ref raw_json) => self.raw_json_from_proto(raw_json),
             TransactionType::None => SigningError::err(SigningErrorType::Error_invalid_params),
         }?;
         Ok(TWTransaction::Transaction(tx_data))
@@ -182,6 +183,14 @@ impl<'a> TWTransactionBuilder<'a> {
         )
     }
 
+    fn raw_json_from_proto(&self, raw_json: &str) -> SigningResult<TransactionData> {
+        TransactionBuilder::raw_json(
+            raw_json,
+            self.input.gas_budget,
+            self.input.reference_gas_price,
+        )
+    }
+
     fn signer_address(&self) -> SigningResult<SuiAddress> {
         if self.input.private_key.is_empty() {
             SuiAddress::from_str(&self.input.signer)

rust/chains/tw_sui/src/transaction/mod.rs

@@ -4,6 +4,7 @@
 
 pub mod command;
 pub mod programmable_transaction;
+pub mod raw_types;
 pub mod sui_types;
 pub mod transaction_builder;
 pub mod transaction_data;

rust/chains/tw_sui/src/transaction/raw_types.rs

@@ -0,0 +1,133 @@
+use move_core_types::language_storage::TypeTag;
+use serde::{Deserialize, Serialize};
+use std::str::FromStr;
+use tw_coin_entry::error::prelude::SigningError;
+use tw_memory::Data;
+use tw_misc::serde::as_string;
+
+use crate::address::SuiAddress;
+
+use super::{
+    command::Argument,
+    sui_types::{ObjectArg, ObjectID, SequenceNumber},
+};
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct PaymentConfig {
+    pub object_id: String,
+    #[serde(with = "as_string")]
+    pub version: u64,
+    pub digest: String,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct GasConfig {
+    #[serde(with = "as_string")]
+    pub budget: u64,
+    #[serde(with = "as_string")]
+    pub price: u64,
+    pub payment: Vec<PaymentConfig>,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub enum InputObjectArg {
+    #[serde(rename_all = "camelCase")]
+    Shared {
+        mutable: bool,
+        #[serde(with = "as_string")]
+        initial_shared_version: u64,
+        object_id: String,
+    },
+}
+
+impl TryFrom<InputObjectArg> for ObjectArg {
+    type Error = SigningError;
+
+    fn try_from(arg: InputObjectArg) -> Result<Self, Self::Error> {
+        match arg {
+            InputObjectArg::Shared {
+                mutable,
+                initial_shared_version,
+                object_id,
+            } => Ok(ObjectArg::SharedObject {
+                id: ObjectID::from_str(&object_id)?,
+                initial_shared_version: SequenceNumber(initial_shared_version),
+                mutable,
+            }),
+        }
+    }
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub enum InputArg {
+    Pure(Data),
+    Object(InputObjectArg),
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct Input {
+    pub kind: String,
+    pub index: u16,
+    #[serde(rename = "type")]
+    pub input_type: String,
+    pub value: InputArg,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(tag = "kind")]
+pub enum TransactionArg {
+    GasCoin,
+    Input { index: u16 },
+    Result { index: u16 },
+}
+
+impl From<TransactionArg> for Argument {
+    fn from(arg: TransactionArg) -> Self {
+        match arg {
+            TransactionArg::GasCoin => Argument::GasCoin,
+            TransactionArg::Input { index } => Argument::Input(index),
+            TransactionArg::Result { index } => Argument::Result(index),
+        }
+    }
+}
+
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct TypeTagWrapper(#[serde(with = "as_string")] TypeTag);
+
+impl From<TypeTagWrapper> for TypeTag {
+    fn from(value: TypeTagWrapper) -> Self {
+        value.0
+    }
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(tag = "kind")]
+pub enum Transaction {
+    SplitCoins {
+        coin: TransactionArg,
+        amounts: Vec<TransactionArg>,
+    },
+    #[serde(rename_all = "camelCase")]
+    MoveCall {
+        target: String,
+        type_arguments: Vec<TypeTagWrapper>,
+        arguments: Vec<TransactionArg>,
+    },
+    TransferObjects {
+        objects: Vec<TransactionArg>,
+        address: TransactionArg,
+    },
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct RawTransaction {
+    pub version: u8,
+    pub sender: SuiAddress,
+    pub expiration: Option<u64>,
+    pub gas_config: GasConfig,
+    pub inputs: Vec<Input>,
+    pub transactions: Vec<Transaction>,
+}