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/*
*
* Hedera Rust SDK
*
* Copyright (C) 2022 - 2023 Hedera Hashgraph, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
use hedera_proto::services;
use hedera_proto::services::crypto_service_client::CryptoServiceClient;
use time::Duration;
use tonic::transport::Channel;
use crate::ledger_id::RefLedgerId;
use crate::protobuf::{
FromProtobuf,
ToProtobuf,
};
use crate::staked_id::StakedId;
use crate::transaction::{
AnyTransactionData,
ChunkInfo,
ToSchedulableTransactionDataProtobuf,
ToTransactionDataProtobuf,
TransactionData,
TransactionExecute,
};
use crate::{
AccountId,
BoxGrpcFuture,
Error,
EvmAddress,
Hbar,
Key,
Transaction,
ValidateChecksums,
};
/// Create a new Hedera™ account.
pub type AccountCreateTransaction = Transaction<AccountCreateTransactionData>;
// TODO: shard_id: Option<ShardId>
// TODO: realm_id: Option<RealmId>
// TODO: new_realm_admin_key: Option<Key>,
#[derive(Debug, Clone)]
pub struct AccountCreateTransactionData {
/// The key that must sign each transfer out of the account.
///
/// If `receiver_signature_required` is true, then it must also sign any transfer
/// into the account.
key: Option<Key>,
/// The initial number of Hbar to put into the account.
initial_balance: Hbar,
/// If true, this account's key must sign any transaction depositing into this account.
receiver_signature_required: bool,
/// The account is charged to extend its expiration date every this many seconds.
auto_renew_period: Option<Duration>,
/// The account to be used at this account's expiration time to extend the
/// life of the account. If `None`, this account pays for its own auto renewal fee.
auto_renew_account_id: Option<AccountId>,
/// The memo associated with the account.
account_memo: String,
/// The maximum number of tokens that an Account can be implicitly associated with.
///
/// Defaults to `0`. Allows up to a maximum value of `1000`.
max_automatic_token_associations: u16,
// notably *not* a PublicKey.
/// A 20-byte EVM address to be used as the account's alias.
alias: Option<EvmAddress>,
/// ID of the account or node to which this account is staking, if any.
staked_id: Option<StakedId>,
/// If true, the account declines receiving a staking reward. The default value is false.
decline_staking_reward: bool,
}
impl Default for AccountCreateTransactionData {
fn default() -> Self {
Self {
key: None,
initial_balance: Hbar::ZERO,
receiver_signature_required: false,
auto_renew_period: Some(Duration::days(90)),
auto_renew_account_id: None,
account_memo: String::new(),
max_automatic_token_associations: 0,
alias: None,
staked_id: None,
decline_staking_reward: false,
}
}
}
impl AccountCreateTransaction {
/// Get the key this account will be created with.
///
/// Returns `Some(key)` if previously set, `None` otherwise.
#[must_use]
pub fn get_key(&self) -> Option<&Key> {
self.data().key.as_ref()
}
/// Sets the key for this account.
pub fn key(&mut self, key: impl Into<Key>) -> &mut Self {
self.data_mut().key = Some(key.into());
self
}
/// Get the balance that will be transferred to this account on creation.
///
/// Returns `initial_balance` if previously set, `0` otherwise.
#[must_use]
pub fn get_initial_balance(&self) -> Hbar {
self.data().initial_balance
}
/// Sets the balance that will be transferred to this account on creation.
pub fn initial_balance(&mut self, balance: Hbar) -> &mut Self {
self.data_mut().initial_balance = balance;
self
}
/// Returns `true` if this account must sign any transfer of hbars _to_ itself.
#[must_use]
pub fn get_receiver_signature_required(&self) -> bool {
self.data().receiver_signature_required
}
/// Sets to true to require this account to sign any transfer of hbars to this account.
pub fn receiver_signature_required(&mut self, required: bool) -> &mut Self {
self.data_mut().receiver_signature_required = required;
self
}
/// Returns the auto renew period for this account.
#[must_use]
pub fn get_auto_renew_period(&self) -> Option<Duration> {
self.data().auto_renew_period
}
/// Sets the auto renew period for this account.
pub fn auto_renew_period(&mut self, period: Duration) -> &mut Self {
self.data_mut().auto_renew_period = Some(period);
self
}
/// Gets the account to be used at this account's expiration time to extend the
/// life of the account. If `None`, this account pays for its own auto renewal fee.
///
/// # Network Support
/// Please note that this not supported on any hedera network at this time.
#[must_use]
pub fn get_auto_renew_account_id(&self) -> Option<AccountId> {
self.data().auto_renew_account_id
}
/// Sets the account to be used at this account's expiration time to extend the
/// life of the account. If `None`, this account pays for its own auto renewal fee.
///
/// # Network Support
/// Please note that this not supported on any hedera network at this time.
pub fn auto_renew_account_id(&mut self, id: AccountId) -> &mut Self {
self.data_mut().auto_renew_account_id = Some(id);
self
}
/// Get the memo associated with the account
#[must_use]
pub fn get_account_memo(&self) -> &str {
&self.data().account_memo
}
/// Sets the memo associated with the account.
pub fn account_memo(&mut self, memo: impl Into<String>) -> &mut Self {
self.data_mut().account_memo = memo.into();
self
}
/// Get the maximum number of tokens that an Account can be implicitly associated with.
///
/// Defaults to `0`. Allows up to a maximum value of `1000`.
#[must_use]
pub fn get_max_automatic_token_associations(&self) -> u16 {
self.data().max_automatic_token_associations
}
/// Sets the maximum number of tokens that an Account can be implicitly associated with.
pub fn max_automatic_token_associations(&mut self, amount: u16) -> &mut Self {
self.data_mut().max_automatic_token_associations = amount;
self
}
/// Returns the evm address the account will be created with as an alias.
///
/// # Network Support
/// Please note that this not currently supported on mainnet.
#[must_use]
pub fn get_alias(&self) -> Option<EvmAddress> {
self.data().alias
}
/// Sets the evm address the account will be created with as an alias.
///
/// The last 20 bytes of the keccak-256 hash of a `ECDSA_SECP256K1` primitive key.
///
/// # Network Support
/// Please note that this not currently supported on mainnet.
pub fn alias(&mut self, alias: EvmAddress) -> &mut Self {
self.data_mut().alias = Some(alias);
self
}
/// Returns the ID of the account to which this account is staking.
/// This is mutually exclusive with `staked_node_id`.
#[must_use]
pub fn get_staked_account_id(&self) -> Option<AccountId> {
self.data().staked_id.and_then(StakedId::to_account_id)
}
/// Sets the ID of the account to which this account is staking.
/// This is mutually exclusive with `staked_node_id`.
pub fn staked_account_id(&mut self, id: AccountId) -> &mut Self {
self.data_mut().staked_id = Some(StakedId::AccountId(id));
self
}
/// Returns the ID of the node to which this account is staking.
/// This is mutually exclusive with `staked_account_id`.
#[must_use]
pub fn get_staked_node_id(&self) -> Option<u64> {
self.data().staked_id.and_then(StakedId::to_node_id)
}
/// Sets the ID of the node to which this account is staking.
/// This is mutually exclusive with `staked_account_id`.
pub fn staked_node_id(&mut self, id: u64) -> &mut Self {
self.data_mut().staked_id = Some(StakedId::NodeId(id));
self
}
/// Returns `true` if the account should decline receiving staking rewards, `false` otherwise.
#[must_use]
pub fn get_decline_staking_reward(&self) -> bool {
self.data().decline_staking_reward
}
/// If `true`, the account declines receiving a staking reward. The default value is false.
pub fn decline_staking_reward(&mut self, decline: bool) -> &mut Self {
self.data_mut().decline_staking_reward = decline;
self
}
}
impl TransactionData for AccountCreateTransactionData {}
impl TransactionExecute for AccountCreateTransactionData {
fn execute(
&self,
channel: Channel,
request: services::Transaction,
) -> BoxGrpcFuture<'_, services::TransactionResponse> {
Box::pin(async { CryptoServiceClient::new(channel).create_account(request).await })
}
}
impl ValidateChecksums for AccountCreateTransactionData {
fn validate_checksums(&self, ledger_id: &RefLedgerId) -> Result<(), Error> {
self.staked_id.validate_checksums(ledger_id)
}
}
impl ToTransactionDataProtobuf for AccountCreateTransactionData {
fn to_transaction_data_protobuf(
&self,
chunk_info: &ChunkInfo,
) -> services::transaction_body::Data {
let _ = chunk_info.assert_single_transaction();
services::transaction_body::Data::CryptoCreateAccount(self.to_protobuf())
}
}
impl ToSchedulableTransactionDataProtobuf for AccountCreateTransactionData {
fn to_schedulable_transaction_data_protobuf(
&self,
) -> services::schedulable_transaction_body::Data {
services::schedulable_transaction_body::Data::CryptoCreateAccount(self.to_protobuf())
}
}
impl From<AccountCreateTransactionData> for AnyTransactionData {
fn from(transaction: AccountCreateTransactionData) -> Self {
Self::AccountCreate(transaction)
}
}
impl FromProtobuf<services::CryptoCreateTransactionBody> for AccountCreateTransactionData {
fn from_protobuf(pb: services::CryptoCreateTransactionBody) -> crate::Result<Self> {
let alias = (!pb.alias.is_empty()).then(|| EvmAddress::try_from(pb.alias)).transpose()?;
Ok(Self {
key: Option::from_protobuf(pb.key)?,
initial_balance: Hbar::from_tinybars(pb.initial_balance as i64),
receiver_signature_required: pb.receiver_sig_required,
auto_renew_period: pb.auto_renew_period.map(Into::into),
auto_renew_account_id: None,
account_memo: pb.memo,
max_automatic_token_associations: pb.max_automatic_token_associations as u16,
alias,
staked_id: Option::from_protobuf(pb.staked_id)?,
decline_staking_reward: pb.decline_reward,
})
}
}
impl ToProtobuf for AccountCreateTransactionData {
type Protobuf = services::CryptoCreateTransactionBody;
fn to_protobuf(&self) -> Self::Protobuf {
let key = self.key.to_protobuf();
let auto_renew_period = self.auto_renew_period.to_protobuf();
let staked_id = self.staked_id.map(|it| match it {
StakedId::NodeId(id) => {
services::crypto_create_transaction_body::StakedId::StakedNodeId(id as i64)
}
StakedId::AccountId(id) => {
services::crypto_create_transaction_body::StakedId::StakedAccountId(
id.to_protobuf(),
)
}
});
#[allow(deprecated)]
services::CryptoCreateTransactionBody {
key,
initial_balance: self.initial_balance.to_tinybars() as u64,
proxy_account_id: None,
send_record_threshold: i64::MAX as u64,
receive_record_threshold: i64::MAX as u64,
receiver_sig_required: self.receiver_signature_required,
auto_renew_period,
shard_id: None,
realm_id: None,
new_realm_admin_key: None,
memo: self.account_memo.clone(),
max_automatic_token_associations: i32::from(self.max_automatic_token_associations),
alias: self.alias.map_or(vec![], |it| it.to_bytes().to_vec()),
decline_reward: self.decline_staking_reward,
staked_id,
}
}
}
#[cfg(test)]
mod tests {
use expect_test::expect;
use hedera_proto::services;
use hex_literal::hex;
use time::Duration;
use crate::account::AccountCreateTransactionData;
use crate::protobuf::{
FromProtobuf,
ToProtobuf,
};
use crate::staked_id::StakedId;
use crate::transaction::test_helpers::{
check_body,
transaction_body,
unused_private_key,
};
use crate::{
AccountCreateTransaction,
AccountId,
AnyTransaction,
EvmAddress,
Hbar,
PublicKey,
};
fn key() -> PublicKey {
unused_private_key().public_key()
}
const INITIAL_BALANCE: Hbar = Hbar::from_tinybars(450);
const ACCOUNT_MEMO: &str = "some memo";
const RECEIVER_SIGNATURE_REQUIRED: bool = true;
const AUTO_RENEW_PERIOD: Duration = Duration::hours(10);
const STAKED_ACCOUNT_ID: AccountId = AccountId::new(0, 0, 3);
const STAKED_NODE_ID: u64 = 4;
const ALIAS: EvmAddress = EvmAddress(hex!("5c562e90feaf0eebd33ea75d21024f249d451417"));
const MAX_AUTOMATIC_TOKEN_ASSOCIATIONS: u16 = 100;
fn make_transaction() -> AccountCreateTransaction {
let mut tx = AccountCreateTransaction::new_for_tests();
tx.key(key())
.initial_balance(INITIAL_BALANCE)
.account_memo(ACCOUNT_MEMO)
.receiver_signature_required(RECEIVER_SIGNATURE_REQUIRED)
.auto_renew_period(AUTO_RENEW_PERIOD)
.staked_account_id(STAKED_ACCOUNT_ID)
.alias(ALIAS)
.max_automatic_token_associations(MAX_AUTOMATIC_TOKEN_ASSOCIATIONS)
.freeze()
.unwrap();
return tx;
}
fn make_transaction2() -> AccountCreateTransaction {
let mut tx = AccountCreateTransaction::new_for_tests();
tx.key(key())
.initial_balance(INITIAL_BALANCE)
.account_memo(ACCOUNT_MEMO)
.receiver_signature_required(RECEIVER_SIGNATURE_REQUIRED)
.auto_renew_period(AUTO_RENEW_PERIOD)
.staked_node_id(STAKED_NODE_ID)
.alias(ALIAS)
.max_automatic_token_associations(MAX_AUTOMATIC_TOKEN_ASSOCIATIONS)
.freeze()
.unwrap();
return tx;
}
#[test]
fn serialize() {
let tx = make_transaction();
let tx = transaction_body(tx);
let tx = check_body(tx);
expect![[r#"
CryptoCreateAccount(
CryptoCreateTransactionBody {
key: Some(
Key {
key: Some(
Ed25519(
[
224,
200,
236,
39,
88,
165,
135,
159,
250,
194,
38,
161,
60,
12,
81,
107,
121,
158,
114,
227,
81,
65,
160,
221,
130,
143,
148,
211,
121,
136,
164,
183,
],
),
),
},
),
initial_balance: 450,
proxy_account_id: None,
send_record_threshold: 9223372036854775807,
receive_record_threshold: 9223372036854775807,
receiver_sig_required: true,
auto_renew_period: Some(
Duration {
seconds: 36000,
},
),
shard_id: None,
realm_id: None,
new_realm_admin_key: None,
memo: "some memo",
max_automatic_token_associations: 100,
decline_reward: false,
alias: [
92,
86,
46,
144,
254,
175,
14,
235,
211,
62,
167,
93,
33,
2,
79,
36,
157,
69,
20,
23,
],
staked_id: Some(
StakedAccountId(
AccountId {
shard_num: 0,
realm_num: 0,
account: Some(
AccountNum(
3,
),
),
},
),
),
},
)
"#]]
.assert_debug_eq(&tx)
}
#[test]
fn to_from_bytes() {
let tx = make_transaction();
let tx2 = AnyTransaction::from_bytes(&tx.to_bytes().unwrap()).unwrap();
let tx = transaction_body(tx);
let tx2 = transaction_body(tx2);
assert_eq!(tx, tx2);
}
#[test]
fn serialize2() {
let tx = make_transaction2();
let tx = transaction_body(tx);
let tx = check_body(tx);
expect![[r#"
CryptoCreateAccount(
CryptoCreateTransactionBody {
key: Some(
Key {
key: Some(
Ed25519(
[
224,
200,
236,
39,
88,
165,
135,
159,
250,
194,
38,
161,
60,
12,
81,
107,
121,
158,
114,
227,
81,
65,
160,
221,
130,
143,
148,
211,
121,
136,
164,
183,
],
),
),
},
),
initial_balance: 450,
proxy_account_id: None,
send_record_threshold: 9223372036854775807,
receive_record_threshold: 9223372036854775807,
receiver_sig_required: true,
auto_renew_period: Some(
Duration {
seconds: 36000,
},
),
shard_id: None,
realm_id: None,
new_realm_admin_key: None,
memo: "some memo",
max_automatic_token_associations: 100,
decline_reward: false,
alias: [
92,
86,
46,
144,
254,
175,
14,
235,
211,
62,
167,
93,
33,
2,
79,
36,
157,
69,
20,
23,
],
staked_id: Some(
StakedNodeId(
4,
),
),
},
)
"#]]
.assert_debug_eq(&tx)
}
#[test]
fn to_from_bytes2() {
let tx = make_transaction2();
let tx2 = AnyTransaction::from_bytes(&tx.to_bytes().unwrap()).unwrap();
let tx = transaction_body(tx);
let tx2 = transaction_body(tx2);
assert_eq!(tx, tx2);
}
#[test]
fn from_proto_body() {
#[allow(deprecated)]
let tx = services::CryptoCreateTransactionBody {
key: Some(key().to_protobuf()),
initial_balance: INITIAL_BALANCE.to_tinybars() as u64,
proxy_account_id: None,
send_record_threshold: i64::MAX as u64,
receive_record_threshold: i64::MAX as u64,
receiver_sig_required: RECEIVER_SIGNATURE_REQUIRED,
auto_renew_period: Some(AUTO_RENEW_PERIOD.to_protobuf()),
shard_id: None,
realm_id: None,
new_realm_admin_key: None,
memo: ACCOUNT_MEMO.to_owned(),
max_automatic_token_associations: MAX_AUTOMATIC_TOKEN_ASSOCIATIONS as i32,
decline_reward: false,
alias: ALIAS.to_bytes().to_vec(),
staked_id: Some(services::crypto_create_transaction_body::StakedId::StakedAccountId(
STAKED_ACCOUNT_ID.to_protobuf(),
)),
};
let tx = AccountCreateTransactionData::from_protobuf(tx).unwrap();
assert_eq!(tx.key, Some(key().into()));
assert_eq!(tx.initial_balance, INITIAL_BALANCE);
assert_eq!(tx.account_memo, ACCOUNT_MEMO);
assert_eq!(tx.receiver_signature_required, RECEIVER_SIGNATURE_REQUIRED);
assert_eq!(tx.auto_renew_period, Some(AUTO_RENEW_PERIOD));
assert_eq!(tx.staked_id.and_then(StakedId::to_account_id), Some(STAKED_ACCOUNT_ID));
assert_eq!(tx.alias, Some(ALIAS));
assert_eq!(tx.max_automatic_token_associations, MAX_AUTOMATIC_TOKEN_ASSOCIATIONS);
}
#[test]
fn properties() {
let tx = make_transaction();
assert_eq!(tx.get_key(), Some(&key().into()));
assert_eq!(tx.get_initial_balance(), INITIAL_BALANCE);
assert_eq!(tx.get_account_memo(), ACCOUNT_MEMO);
assert_eq!(tx.get_receiver_signature_required(), RECEIVER_SIGNATURE_REQUIRED);
assert_eq!(tx.get_auto_renew_period(), Some(AUTO_RENEW_PERIOD));
assert_eq!(tx.get_staked_account_id(), Some(STAKED_ACCOUNT_ID));
assert_eq!(tx.get_alias(), Some(ALIAS));
assert_eq!(tx.get_max_automatic_token_associations(), MAX_AUTOMATIC_TOKEN_ASSOCIATIONS);
}
#[test]
fn get_set_key() {
let mut tx = AccountCreateTransaction::new();
tx.key(key());
assert_eq!(tx.get_key(), Some(&key().into()));
}
#[test]
#[should_panic]
fn get_set_key_frozen_panics() {
let mut tx = make_transaction();
tx.key(key());
}
#[test]
fn get_set_initial_balance() {
let mut tx = AccountCreateTransaction::new();
tx.initial_balance(INITIAL_BALANCE);
assert_eq!(tx.get_initial_balance(), INITIAL_BALANCE);
}
#[test]
#[should_panic]
fn get_set_initial_balance_frozen_panics() {
let mut tx = make_transaction();
tx.initial_balance(INITIAL_BALANCE);
}
#[test]
fn get_set_account_memo() {
let mut tx = AccountCreateTransaction::new();
tx.account_memo(ACCOUNT_MEMO);
assert_eq!(tx.get_account_memo(), ACCOUNT_MEMO);
}
#[test]
#[should_panic]
fn get_set_account_memo_frozen_panics() {
let mut tx = make_transaction();
tx.account_memo(ACCOUNT_MEMO);
}
#[test]
fn get_set_receiver_signature_required() {
let mut tx = AccountCreateTransaction::new();
tx.receiver_signature_required(RECEIVER_SIGNATURE_REQUIRED);
assert_eq!(tx.get_receiver_signature_required(), RECEIVER_SIGNATURE_REQUIRED);
}
#[test]
#[should_panic]
fn get_set_receiver_signature_required_frozen_panics() {
let mut tx = make_transaction();
tx.receiver_signature_required(RECEIVER_SIGNATURE_REQUIRED);
}
#[test]
fn get_set_auto_renew_period() {
let mut tx = AccountCreateTransaction::new();
tx.auto_renew_period(AUTO_RENEW_PERIOD);
assert_eq!(tx.get_auto_renew_period(), Some(AUTO_RENEW_PERIOD));
}
#[test]
#[should_panic]
fn get_set_auto_renew_period_frozen_panics() {
let mut tx = make_transaction();
tx.auto_renew_period(AUTO_RENEW_PERIOD);
}
#[test]
fn get_set_staked_account_id() {
let mut tx = AccountCreateTransaction::new();
tx.staked_account_id(STAKED_ACCOUNT_ID);
assert_eq!(tx.get_staked_account_id(), Some(STAKED_ACCOUNT_ID));
}
#[test]
#[should_panic]
fn get_set_staked_account_id_frozen_panics() {
let mut tx = make_transaction();
tx.staked_account_id(STAKED_ACCOUNT_ID);
}
#[test]
fn get_set_alias() {
let mut tx = AccountCreateTransaction::new();
tx.alias(ALIAS);
assert_eq!(tx.get_alias(), Some(ALIAS));
}
#[test]
#[should_panic]
fn get_set_alias_frozen_panics() {
let mut tx = make_transaction();
tx.alias(ALIAS);
}
#[test]
fn get_set_max_automatic_token_associations() {
let mut tx = AccountCreateTransaction::new();
tx.max_automatic_token_associations(MAX_AUTOMATIC_TOKEN_ASSOCIATIONS);
assert_eq!(tx.get_max_automatic_token_associations(), MAX_AUTOMATIC_TOKEN_ASSOCIATIONS);
}
#[test]
#[should_panic]
fn get_set_max_automatic_token_associations_frozen_panics() {
let mut tx = make_transaction();
tx.max_automatic_token_associations(MAX_AUTOMATIC_TOKEN_ASSOCIATIONS);
}
}