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lib.rs
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lib.rs
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#![allow(clippy::unused_unit)]
use std::borrow::Cow;
use std::collections::HashMap;
use std::str::FromStr;
use std::sync::atomic::AtomicU64;
use std::sync::Arc;
use ed25519_dalek::{Signer, Verifier};
use nt::abi::FunctionExt;
use nt::utils::Clock;
use num_traits::CheckedSub;
use ton_block::{Deserializable, GetRepresentationHash, Serializable};
use ton_executor::TransactionExecutor;
use wasm_bindgen::prelude::*;
use wasm_bindgen::{JsCast, JsValue};
use zeroize::Zeroize;
use crate::models::*;
use crate::tokens_object::*;
use crate::utils::*;
mod external;
mod generic_contract;
mod models;
mod tokens_object;
mod transport;
mod utils;
#[wasm_bindgen(js_name = "checkAddress")]
pub fn check_address(address: &str) -> bool {
nt::utils::validate_address(address)
}
#[wasm_bindgen(js_name = "repackAddress")]
pub fn repack_address(address: &str) -> Result<String, JsValue> {
nt::utils::repack_address(address)
.map(|x| x.to_string())
.handle_error()
}
#[wasm_bindgen(js_name = "runLocal")]
pub fn run_local(
clock: &ClockWithOffset,
account_stuff_boc: &str,
contract_abi: &str,
method: &str,
input: TokensObject,
responsible: bool,
signature_id: Option<i32>,
) -> Result<ExecutionOutput, JsValue> {
let account_stuff = parse_account_stuff(account_stuff_boc)?;
let contract_abi = parse_contract_abi(contract_abi)?;
let method = contract_abi.function(method).handle_error()?;
let input = parse_tokens_object(&method.inputs, input).handle_error()?;
let mut config = nt::abi::BriefBlockchainConfig::default();
if let Some(signature_id) = signature_id {
config.global_id = signature_id;
config.capabilities |= ton_block::GlobalCapabilities::CapSignatureWithId as u64;
}
let output = method
.run_local_ext(
clock.inner.as_ref(),
account_stuff,
&input,
responsible,
&config,
)
.handle_error()?;
make_execution_output(output)
}
#[wasm_bindgen(js_name = "makeFullAccountBoc")]
pub fn make_full_account_boc(account_stuff_boc: Option<String>) -> Result<String, JsValue> {
let account = match account_stuff_boc {
Some(stuff) => ton_block::Account::Account(parse_account_stuff(&stuff)?),
None => ton_block::Account::AccountNone,
};
serialize_into_boc(&account)
}
#[wasm_bindgen(js_name = "parseFullAccountBoc")]
pub fn parse_full_account_boc(account: &str) -> Result<OptionFullContractState, JsValue> {
let account = parse_cell(account)?;
let account = if nt::utils::is_empty_cell(&account.repr_hash()) {
nt::transport::models::RawContractState::NotExists {
timings: nt::abi::GenTimings::Unknown,
}
} else {
match ton_block::Account::construct_from_cell(account).handle_error()? {
ton_block::Account::Account(account) => {
let last_transaction_id = nt::abi::LastTransactionId::Inexact {
latest_lt: account.storage.last_trans_lt,
};
nt::transport::models::RawContractState::Exists(
nt::transport::models::ExistingContract {
account,
timings: nt::abi::GenTimings::Unknown,
last_transaction_id,
},
)
}
ton_block::Account::AccountNone => nt::transport::models::RawContractState::NotExists {
timings: nt::abi::GenTimings::Unknown,
},
}
};
make_full_contract_state(account).map(JsValue::unchecked_into)
}
#[wasm_bindgen(js_name = "parseFullAccountStateInit")]
pub fn parse_full_account_state_init(account: &str) -> Result<Option<String>, JsValue> {
let account = parse_cell(account)?;
let account = ton_block::Account::construct_from_cell(account).handle_error()?;
account
.state_init()
.map(|state_init| serialize_into_boc(state_init))
.transpose()
}
#[wasm_bindgen(js_name = "computeStorageFee")]
pub fn compute_storage_fee(
config: &str,
account: &str,
utime: u32,
is_masterchain: bool,
) -> Result<StorageFeeInfo, JsValue> {
let account = parse_account_stuff(account)?;
let config = ton_block::ConfigParams::construct_from_base64(config).handle_error()?;
let config = ton_executor::BlockchainConfig::with_config(config, 0).handle_error()?;
let utime = std::cmp::max(utime, account.storage_stat.last_paid);
let mut account_status = match &account.storage.state {
ton_block::AccountState::AccountUninit => nt::core::models::AccountStatus::Uninit,
ton_block::AccountState::AccountFrozen { .. } => nt::core::models::AccountStatus::Frozen,
ton_block::AccountState::AccountActive { .. } => nt::core::models::AccountStatus::Active,
};
let storage_fee = config
.calc_storage_fee(&account.storage_stat, is_masterchain, utime)
.handle_error()?;
let mut storage_fee_debt = account.storage_stat.due_payment;
let total_fee = storage_fee + storage_fee_debt.unwrap_or_default();
let gas_config = config.get_gas_config(is_masterchain);
// Check if `balance <= total_fee`
if let Some(total_fee) = total_fee.checked_sub(&account.storage.balance.grams) {
storage_fee_debt = Some(total_fee);
let need_freeze = matches!(account_status, nt::core::models::AccountStatus::Active)
&& total_fee > ton_block::Grams::from(gas_config.freeze_due_limit);
let need_delete = matches!(
account_status,
nt::core::models::AccountStatus::Uninit | nt::core::models::AccountStatus::Frozen
) && total_fee > ton_block::Grams::from(gas_config.delete_due_limit);
if need_delete {
account_status = nt::core::models::AccountStatus::Nonexist;
} else if need_freeze {
account_status = nt::core::models::AccountStatus::Frozen;
}
}
Ok(make_storage_fee_info(
&storage_fee,
storage_fee_debt.as_ref(),
account_status,
gas_config.freeze_due_limit,
gas_config.delete_due_limit,
))
}
#[wasm_bindgen(js_name = "executeLocal")]
pub fn execute_local(
config: &str,
account: &str,
message: &str,
utime: u32,
disable_signature_check: bool,
overwrite_balance: Option<String>,
global_id: Option<i32>,
) -> Result<TransactionExecutorOutput, JsValue> {
let mut account = parse_cell(account)?;
let last_trans_lt = ton_block::Account::construct_from_cell(account.clone())
.handle_error()?
.last_tr_time()
.unwrap_or_default();
let message = ton_block::Message::construct_from_base64(message).handle_error()?;
if let Some(amount) = overwrite_balance {
let amount = u64::from_str(amount.trim())
.map_err(|_| "Invalid amount")
.handle_error()?;
let balance = ton_block::CurrencyCollection::with_grams(amount);
let mut new_account = ton_block::Account::construct_from_cell(account).handle_error()?;
match &mut new_account {
new_account @ ton_block::Account::AccountNone => {
let address = message
.dst()
.ok_or("Message without destination address")
.handle_error()?;
*new_account = ton_block::Account::with_address_and_ballance(&address, &balance);
}
ton_block::Account::Account(stuff) => {
stuff.storage.balance = balance;
}
};
account = new_account.serialize().handle_error()?;
};
let global_id = global_id.unwrap_or(42);
let config = ton_block::ConfigParams::construct_from_base64(config).handle_error()?;
let config = ton_executor::BlockchainConfig::with_config(config, global_id).handle_error()?;
let mut executor = ton_executor::OrdinaryTransactionExecutor::new(config);
executor.set_signature_check_disabled(disable_signature_check);
let params = ton_executor::ExecuteParams {
block_unixtime: utime,
block_lt: last_trans_lt + 10,
last_tr_lt: Arc::new(AtomicU64::new(last_trans_lt + 1)),
behavior_modifiers: Some(executor.behavior_modifiers()),
..Default::default()
};
let tx = match executor.execute_with_libs_and_params(Some(&message), &mut account, params) {
Ok(tx) => {
let hash = tx.hash().handle_error()?;
nt::core::models::Transaction::try_from((hash, tx)).handle_error()?
}
Err(e) => {
return match e.downcast_ref::<ton_executor::ExecutorError>() {
Some(ton_executor::ExecutorError::NoAcceptError(code, _)) => {
Ok(ObjectBuilder::new()
.set("exitCode", *code)
.build()
.unchecked_into())
}
_ => Err(e).handle_error(),
}
}
};
Ok(ObjectBuilder::new()
.set("account", make_boc(&account)?)
.set("transaction", make_transaction(tx))
.build()
.unchecked_into())
}
#[wasm_bindgen(js_name = "getExpectedAddress")]
pub fn get_expected_address(
tvc: &str,
contract_abi: &str,
workchain_id: i8,
public_key: Option<String>,
init_data: TokensObject,
) -> Result<ExpectedAddress, JsValue> {
let mut state_init = ton_block::StateInit::construct_from_base64(tvc).handle_error()?;
let contract_abi = parse_contract_abi(contract_abi)?;
let public_key = public_key.as_deref().map(parse_public_key).transpose()?;
state_init.data = if let Some(data) = state_init.data.take() {
let data = ton_types::SliceData::load_cell(data).handle_error()?;
Some(insert_init_data(contract_abi, data, &public_key, init_data)?.into_cell())
} else {
None
};
let cell = state_init.serialize().handle_error()?;
let repr_hash = cell.repr_hash().to_hex_string();
Ok(ObjectBuilder::new()
.set("stateInit", make_boc(&cell)?)
.set("address", format!("{workchain_id}:{repr_hash}"))
.set("hash", repr_hash)
.build()
.unchecked_into())
}
#[wasm_bindgen(js_name = "unpackContractFields")]
pub fn unpack_contract_fields(
contract_abi: &str,
boc: &str,
allow_partial: bool,
) -> Result<Option<TokensObject>, JsValue> {
let contract = parse_contract_abi(contract_abi)?;
let account_stuff = parse_account_stuff(boc)?;
let data = match account_stuff.storage.state {
ton_block::AccountState::AccountActive { state_init } => match state_init.data {
Some(data) => ton_types::SliceData::load_cell(data).handle_error()?,
None => return Err("Contract state data is empty").handle_error(),
},
_ => return Ok(None),
};
let tokens = ton_abi::TokenValue::decode_params(
&contract.fields,
data,
&contract.abi_version,
allow_partial,
)
.handle_error()?;
make_tokens_object(tokens).map(Some)
}
#[wasm_bindgen(js_name = "unpackInitData")]
pub fn unpack_init_data(contract_abi: &str, data: &str) -> Result<InitData, JsValue> {
type UnpackedData = (Option<ed25519_dalek::PublicKey>, Vec<ton_abi::Token>);
fn unpack_init_data_impl(
contract_abi: ton_abi::Contract,
data: ton_types::Cell,
) -> anyhow::Result<UnpackedData> {
let data = ton_types::SliceData::load_cell(data)?;
let map = ton_types::HashmapE::with_hashmap(
ton_abi::Contract::DATA_MAP_KEYLEN,
data.reference_opt(0),
);
let pubkey = match map.get(serialize_state_init_data_key(0))? {
Some(mut pubkey) => {
let pubkey = pubkey.get_next_hash()?;
Some(ed25519_dalek::PublicKey::from_bytes(pubkey.as_slice())?)
}
None => None,
};
let mut tokens = Vec::with_capacity(contract_abi.data.len());
for item in contract_abi.data.into_values() {
if let Some(value) = map.get(serialize_state_init_data_key(item.key))? {
tokens.append(&mut ton_abi::TokenValue::decode_params(
&[item.value],
value,
&contract_abi.abi_version,
false,
)?);
}
}
Ok((pubkey, tokens))
}
let contract_abi = parse_contract_abi(contract_abi)?;
let data = parse_cell(data)?;
let (pubkey, data) = unpack_init_data_impl(contract_abi, data).handle_error()?;
let data = make_tokens_object(data)?;
Ok(ObjectBuilder::new()
.set("publicKey", pubkey.map(hex::encode))
.set("data", data)
.build()
.unchecked_into())
}
#[wasm_bindgen(js_name = "getBocHash")]
pub fn get_boc_hash(boc: &str) -> Result<String, JsValue> {
Ok(parse_cell(boc)?.repr_hash().to_hex_string())
}
#[wasm_bindgen(js_name = "packIntoCell")]
pub fn pack_into_cell(
params: ParamsList,
tokens: TokensObject,
abi_version: Option<String>,
) -> Result<BocWithHash, JsValue> {
let params = parse_params_list(params).handle_error()?;
let tokens = parse_tokens_object(¶ms, tokens).handle_error()?;
let abi_version = parse_optional_abi_version(abi_version)?;
nt::abi::pack_into_cell(&tokens, abi_version)
.handle_error()
.and_then(make_boc_with_hash)
}
#[wasm_bindgen(js_name = "unpackFromCell")]
pub fn unpack_from_cell(
params: ParamsList,
boc: &str,
allow_partial: bool,
abi_version: Option<String>,
) -> Result<TokensObject, JsValue> {
let params = parse_params_list(params).handle_error()?;
let cell = parse_cell_slice(boc)?;
let abi_version = parse_optional_abi_version(abi_version)?;
nt::abi::unpack_from_cell(¶ms, cell, allow_partial, abi_version)
.handle_error()
.and_then(make_tokens_object)
}
#[wasm_bindgen(js_name = "extractContractData")]
pub fn extract_contract_data(boc: &str) -> Result<Option<String>, JsValue> {
let account_stuff = parse_account_stuff(boc)?;
let data = match account_stuff.storage.state {
ton_block::AccountState::AccountActive { state_init } => state_init.data,
_ => None,
};
match data {
Some(data) => make_boc(&data).map(Some),
None => Ok(None),
}
}
#[wasm_bindgen(js_name = "extractPublicKey")]
pub fn extract_public_key(boc: &str) -> Result<String, JsValue> {
use nt::core::ton_wallet::{highload_wallet_v2, wallet_v3};
let account_stuff = parse_account_stuff(boc)?;
let state_init = match &account_stuff.storage.state {
ton_block::AccountState::AccountActive { state_init, .. } => state_init,
_ => return Err(nt::abi::ExtractionError::AccountIsNotActive).handle_error(),
};
let data = match &state_init.data {
Some(data) => data,
None => return Err(nt::abi::ExtractionError::AccountDataNotFound).handle_error(),
};
if let Some(code) = &state_init.code {
let code_hash = code.repr_hash();
if wallet_v3::is_wallet_v3(&code_hash) {
return wallet_v3::InitData::try_from(data)
.handle_error()
.and_then(|init_data| {
ed25519_dalek::PublicKey::from_bytes(init_data.public_key.as_slice())
.map(hex::encode)
.handle_error()
});
} else if highload_wallet_v2::is_highload_wallet_v2(&code_hash) {
return highload_wallet_v2::InitData::try_from(data)
.handle_error()
.and_then(|init_data| {
ed25519_dalek::PublicKey::from_bytes(init_data.public_key.as_slice())
.map(hex::encode)
.handle_error()
});
}
}
let mut data = ton_types::SliceData::load_cell_ref(data).handle_error()?;
let data = data
.get_next_bytes(32)
.map_err(|_| nt::abi::ExtractionError::CellUnderflow)
.handle_error()?;
ed25519_dalek::PublicKey::from_bytes(&data)
.map(hex::encode)
.map_err(|_| nt::abi::ExtractionError::InvalidPublicKey)
.handle_error()
}
#[wasm_bindgen(js_name = "codeToTvc")]
pub fn code_to_tvc(code: &str) -> Result<BocWithHash, JsValue> {
let cell = parse_cell(code)?;
let state_init = nt::abi::code_to_tvc(cell).handle_error()?;
serialize_into_boc_with_hash(&state_init)
}
#[wasm_bindgen(js_name = "mergeTvc")]
pub fn merge_tvc(code: &str, data: &str) -> Result<BocWithHash, JsValue> {
let state_init = ton_block::StateInit {
code: Some(parse_cell(code)?),
data: Some(parse_cell(data)?),
..Default::default()
};
serialize_into_boc_with_hash(&state_init)
}
#[wasm_bindgen(js_name = "splitTvc")]
pub fn split_tvc(tvc: &str) -> Result<StateInit, JsValue> {
let state_init = ton_block::StateInit::construct_from_base64(tvc).handle_error()?;
let data = match state_init.data {
Some(data) => Some(make_boc(&data)?),
None => None,
};
let code = match state_init.code {
Some(code) => Some(make_boc(&code)?),
None => None,
};
Ok(ObjectBuilder::new()
.set("data", data)
.set("code", code)
.build()
.unchecked_into())
}
#[wasm_bindgen(js_name = "setCodeSalt")]
pub fn set_code_salt(code: &str, salt: &str) -> Result<BocWithHash, JsValue> {
let cell = nt::abi::set_code_salt(parse_cell(code)?, parse_cell(salt)?).handle_error()?;
make_boc_with_hash(cell)
}
#[wasm_bindgen(js_name = "getCodeSalt")]
pub fn get_code_salt(code: &str) -> Result<Option<String>, JsValue> {
match nt::abi::get_code_salt(parse_cell(code)?).handle_error()? {
Some(salt) => make_boc(&salt).map(Some),
None => Ok(None),
}
}
#[wasm_bindgen(js_name = "encodeInternalInput")]
pub fn encode_internal_input(
contract_abi: &str,
method: &str,
input: TokensObject,
) -> Result<String, JsValue> {
let contract_abi = parse_contract_abi(contract_abi)?;
let method = contract_abi.function(method).handle_error()?;
let input = parse_tokens_object(&method.inputs, input).handle_error()?;
let body = method
.encode_internal_input(&input)
.and_then(|value| value.into_cell())
.handle_error()?;
make_boc(&body)
}
#[wasm_bindgen(js_name = "encodeInternalMessage")]
pub fn encode_internal_message(
src: Option<String>,
dst: &str,
bounce: bool,
state_init: Option<String>,
body: Option<String>,
amount: &str,
bounced: Option<bool>,
) -> Result<String, JsValue> {
let src = match src {
Some(src) => ton_block::MsgAddressIntOrNone::Some(parse_address(&src)?),
None => ton_block::MsgAddressIntOrNone::None,
};
let dst = parse_address(dst)?;
let amount = u64::from_str(amount)
.map_err(|_| "Invalid amount")
.handle_error()?;
let mut message = ton_block::Message::with_int_header(ton_block::InternalMessageHeader {
ihr_disabled: true,
bounce,
src,
dst,
value: amount.into(),
bounced: bounced.unwrap_or_default(),
..Default::default()
});
if let Some(state_init) = state_init {
message.set_state_init(parse_state_init(&state_init)?);
}
if let Some(body) = body {
message.set_body(parse_cell_slice(&body)?);
}
serialize_into_boc(&message)
}
#[wasm_bindgen(js_name = "decodeInput")]
pub fn decode_input(
message_body: &str,
contract_abi: &str,
method: MethodName,
internal: bool,
) -> Result<Option<DecodedInput>, JsValue> {
let contract = parse_contract_abi(contract_abi)?;
let message_body = parse_cell_slice(message_body)?;
let method = parse_method_name(method)?;
let (method, data) =
match nt::abi::decode_input(&contract, message_body, &method, internal).handle_error()? {
Some(method) => method,
None => return Ok(None),
};
Ok(Some(
ObjectBuilder::new()
.set("method", &method.name)
.set("input", make_tokens_object(data)?)
.build()
.unchecked_into(),
))
}
#[wasm_bindgen(js_name = "decodeEvent")]
pub fn decode_event(
message_body: &str,
contract_abi: &str,
event: MethodName,
) -> Result<Option<DecodedEvent>, JsValue> {
let contract = parse_contract_abi(contract_abi)?;
let message_body = parse_cell_slice(message_body)?;
let name = parse_method_name(event)?;
let (event, data) =
match nt::abi::decode_event(&contract, message_body, &name).handle_error()? {
Some(event) => event,
None => return Ok(None),
};
Ok(Some(
ObjectBuilder::new()
.set("event", &event.name)
.set("data", make_tokens_object(data)?)
.build()
.unchecked_into(),
))
}
#[wasm_bindgen(js_name = "decodeOutput")]
pub fn decode_output(
message_body: &str,
contract_abi: &str,
method: MethodName,
) -> Result<Option<DecodedOutput>, JsValue> {
let contract = parse_contract_abi(contract_abi)?;
let message_body = parse_cell_slice(message_body)?;
let method = parse_method_name(method)?;
let (method, data) =
match nt::abi::decode_output(&contract, message_body, &method).handle_error()? {
Some(method) => method,
None => return Ok(None),
};
Ok(Some(
ObjectBuilder::new()
.set("method", &method.name)
.set("output", make_tokens_object(data)?)
.build()
.unchecked_into(),
))
}
#[wasm_bindgen(js_name = "decodeTransaction")]
pub fn decode_transaction(
transaction: Transaction,
contract_abi: &str,
method: MethodName,
) -> Result<Option<DecodedTransaction>, JsValue> {
let transaction: JsValue = transaction.unchecked_into();
if !transaction.is_object() {
return Err(TokensJsonError::ObjectExpected).handle_error();
}
let contract_abi = parse_contract_abi(contract_abi)?;
let method = parse_method_name(method)?;
let in_msg = js_sys::Reflect::get(&transaction, &JsValue::from_str("inMessage"))?;
if !in_msg.is_object() {
return Err(TokensJsonError::MessageExpected).handle_error();
}
let internal = js_sys::Reflect::get(&in_msg, &JsValue::from_str("src"))?.is_string();
let body_key = JsValue::from_str("body");
let in_msg_body = match js_sys::Reflect::get(&in_msg, &body_key)?.as_string() {
Some(body) => parse_cell_slice(&body)?,
None => return Ok(None),
};
let method =
match nt::abi::guess_method_by_input(&contract_abi, &in_msg_body, &method, internal)
.handle_error()?
{
Some(method) => method,
None => return Ok(None),
};
let input = method.decode_input(in_msg_body, internal).handle_error()?;
let out_msgs = js_sys::Reflect::get(&transaction, &JsValue::from_str("outMessages"))?;
if !js_sys::Array::is_array(&out_msgs) {
return Err(TokensJsonError::ArrayExpected).handle_error();
}
let dst_key = JsValue::from_str("dst");
let ext_out_msgs = out_msgs
.unchecked_into::<js_sys::Array>()
.iter()
.filter_map(|message| {
match js_sys::Reflect::get(&message, &dst_key) {
Ok(dst) if dst.is_string() => return None,
Err(error) => return Some(Err(error)),
_ => {}
};
Some(
match js_sys::Reflect::get(&message, &body_key).map(|item| item.as_string()) {
Ok(Some(body)) => parse_cell_slice(&body),
Ok(None) => Err(TokensJsonError::MessageBodyExpected).handle_error(),
Err(error) => Err(error),
},
)
})
.collect::<Result<Vec<_>, JsValue>>()?;
let output = nt::abi::process_raw_outputs(&ext_out_msgs, method).handle_error()?;
Ok(Some(
ObjectBuilder::new()
.set("method", &method.name)
.set("input", make_tokens_object(input)?)
.set("output", make_tokens_object(output)?)
.build()
.unchecked_into(),
))
}
#[wasm_bindgen(js_name = "decodeTransactionEvents")]
pub fn decode_transaction_events(
transaction: Transaction,
contract_abi: &str,
) -> Result<DecodedTransactionEvents, JsValue> {
let transaction: JsValue = transaction.unchecked_into();
if !transaction.is_object() {
return Err(TokensJsonError::ObjectExpected).handle_error();
}
let contract_abi = parse_contract_abi(contract_abi)?;
let out_msgs = js_sys::Reflect::get(&transaction, &JsValue::from_str("outMessages"))?;
if !js_sys::Array::is_array(&out_msgs) {
return Err(TokensJsonError::ArrayExpected).handle_error();
}
let body_key = JsValue::from_str("body");
let dst_key = JsValue::from_str("dst");
let ext_out_msgs = out_msgs
.unchecked_into::<js_sys::Array>()
.iter()
.filter_map(|message| {
match js_sys::Reflect::get(&message, &dst_key) {
Ok(dst) if dst.is_string() => return None,
Err(error) => return Some(Err(error)),
_ => {}
};
Some(
match js_sys::Reflect::get(&message, &body_key).map(|item| item.as_string()) {
Ok(Some(body)) => parse_cell_slice(&body),
Ok(None) => return None,
Err(error) => Err(error),
},
)
})
.collect::<Result<Vec<_>, JsValue>>()?;
let events = ext_out_msgs
.into_iter()
.filter_map(|body| {
let id = nt::abi::read_function_id(&body).ok()?;
let event = contract_abi.event_by_id(id).ok()?;
let tokens = event.decode_input(body).ok()?;
let data = match make_tokens_object(tokens) {
Ok(data) => data,
Err(e) => return Some(Err(e)),
};
Some(Ok(ObjectBuilder::new()
.set("event", &event.name)
.set("data", data)
.build()))
})
.collect::<Result<js_sys::Array, JsValue>>()?;
Ok(events.unchecked_into())
}
#[wasm_bindgen(js_name = "unpackTransactionTree")]
pub fn unpack_tree(boc: &str) -> Result<JsTransactionTree, JsValue> {
let bytes = base64::decode(boc).handle_error()?;
let slice = ton_types::deserialize_tree_of_cells(&mut bytes.as_slice())
.and_then(ton_types::SliceData::load_cell)
.handle_error()?;
let tree = TransactionTree::unpack(slice).handle_error()?;
Ok(make_transaction_tree(tree))
}
pub struct TransactionTree {
root: nt::core::models::Transaction,
children: Vec<TransactionTree>,
}
impl TransactionTree {
pub fn unpack(mut slice: ton_types::SliceData) -> anyhow::Result<Self> {
if !slice.get_next_bit()? {
return Err(anyhow::Error::msg("Invalid transaction tree node"));
}
let mut root = {
let cell = slice.checked_drain_reference()?;
Self::unpack_only_root(cell)?
};
Self::unpack_children(slice, &mut root)?;
Ok(root)
}
fn unpack_only_root(cell: ton_types::Cell) -> anyhow::Result<Self> {
let hash = cell.repr_hash();
let data = ton_block::Transaction::construct_from_cell(cell)?;
let transaction = nt::core::models::Transaction::try_from((hash, data))?;
Ok(Self {
root: transaction,
children: Vec::new(),
})
}
fn unpack_children(
mut slice: ton_types::SliceData,
root: &mut TransactionTree,
) -> anyhow::Result<()> {
while let Ok(bit) = slice.get_next_bit() {
let cell = slice.checked_drain_reference()?;
let slice = ton_types::SliceData::load_cell(cell)?;
if bit {
root.children.push(Self::unpack(slice)?);
} else {
Self::unpack_children(slice, root)?
}
}
Ok(())
}
}
#[wasm_bindgen(js_name = "getDataHash")]
pub fn get_hash(data: &str) -> Result<String, JsValue> {
use sha2::Digest;
let body = parse_base64_or_hex_bytes(data).handle_error()?;
Ok(hex::encode(sha2::Sha256::digest(&body)))
}
#[wasm_bindgen(js_name = "ed25519_generateKeyPair")]
pub fn generate_ed25519_key_pair() -> Result<Ed25519KeyPair, JsValue> {
let key_pair = ed25519_dalek::Keypair::generate(&mut rand::thread_rng());
Ok(make_ed25519_key_pair(key_pair))
}
#[wasm_bindgen(js_name = "ed25519_sign")]
pub fn sign_data(
secret_key: &str,
data: &str,
signature_id: Option<i32>,
) -> Result<String, JsValue> {
let data = parse_hex_or_base64_bytes(data).handle_error()?;
let mut secret_key = parse_hex_or_base64_bytes(secret_key).handle_error()?;
let secret = ed25519_dalek::SecretKey::from_bytes(&secret_key).handle_error()?;
secret_key.zeroize();
let data = nt::crypto::extend_with_signature_id(&data, signature_id);
let public = ed25519_dalek::PublicKey::from(&secret);
let key_pair = ed25519_dalek::Keypair { secret, public };
let signature = key_pair.sign(data.as_ref());
Ok(base64::encode(signature.to_bytes()))
}
#[wasm_bindgen(js_name = "extendSignature")]
pub fn extend_signature(signature: &str) -> Result<ExtendedSignature, JsValue> {
let signature = parse_signature(signature)?;
Ok(make_extended_signature(signature.to_bytes()))
}
#[wasm_bindgen(js_name = "verifySignature")]
pub fn verify_signature(
public_key: &str,
data: &str,
signature: &str,
signature_id: Option<i32>,
) -> Result<bool, JsValue> {
let public_key = parse_public_key(public_key)?;
let data = parse_hex_or_base64_bytes(data).handle_error()?;
let signature = parse_signature(signature)?;
let data = nt::crypto::extend_with_signature_id(&data, signature_id);
Ok(public_key.verify(data.as_ref(), &signature).is_ok())
}
#[wasm_bindgen(js_name = "createRawExternalMessage")]
pub fn create_raw_external_message(
dst: &str,
state_init: Option<String>,
body: Option<String>,
expire_at: u32,
) -> Result<SignedMessage, JsValue> {
// Parse params
let dst = parse_address(dst)?;
// Build message
let mut message =
ton_block::Message::with_ext_in_header(ton_block::ExternalInboundMessageHeader {
dst,
..Default::default()
});
if let Some(state_init) = state_init {
message.set_state_init(parse_state_init(&state_init)?);
}
if let Some(body) = body {
message.set_body(parse_cell_slice(&body)?);
}
// Serialize message
make_signed_message(nt::crypto::SignedMessage { message, expire_at })
}
#[wasm_bindgen(js_name = "createExternalMessageWithoutSignature")]
pub fn create_external_message_without_signature(
clock: &ClockWithOffset,
dst: &str,
contract_abi: &str,
method: &str,
state_init: Option<String>,
input: TokensObject,
timeout: u32,
) -> Result<SignedMessage, JsValue> {
use nt::core::models::{Expiration, ExpireAt};
// Parse params
let dst = parse_address(dst)?;
let contract_abi = parse_contract_abi(contract_abi)?;
let method = contract_abi.function(method).handle_error()?;
let input = parse_tokens_object(&method.inputs, input).handle_error()?;
// Prepare headers
let time = clock.inner.now_ms_u64();
let expire_at = ExpireAt::new_from_millis(Expiration::Timeout(timeout), time);
let mut header = HashMap::with_capacity(3);
header.insert("time".to_string(), ton_abi::TokenValue::Time(time));
header.insert(
"expire".to_string(),
ton_abi::TokenValue::Expire(expire_at.timestamp),
);
header.insert("pubkey".to_string(), ton_abi::TokenValue::PublicKey(None));
// Encode body
let body = method
.encode_input(&header, &input, false, None, Some(dst.clone()))
.and_then(ton_types::SliceData::load_builder)
.handle_error()?;
// Build message
let mut message =
ton_block::Message::with_ext_in_header(ton_block::ExternalInboundMessageHeader {
dst,
..Default::default()
});
if let Some(state_init) = state_init {
message.set_state_init(parse_state_init(&state_init)?);
}
message.set_body(body);
// Serialize message
make_signed_message(nt::crypto::SignedMessage {
message,
expire_at: expire_at.timestamp,
})
}
#[allow(clippy::too_many_arguments)]
#[wasm_bindgen(js_name = "createExternalMessage")]
pub fn create_external_message(
clock: &ClockWithOffset,
dst: &str,
contract_abi: &str,
method: &str,
state_init: Option<String>,
input: TokensObject,
public_key: &str,
timeout: u32,
) -> Result<UnsignedMessage, JsValue> {
let dst = parse_address(dst)?;
let contract_abi = parse_contract_abi(contract_abi)?;
let method = contract_abi.function(method).handle_error()?;
let input = parse_tokens_object(&method.inputs, input).handle_error()?;
let public_key = parse_public_key(public_key)?;
let mut message =