hedera 0.4.0

Hedera SDK for Rust
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157

use crate::{
    crypto::PublicKey,
    proto::{self, ToProto, Transaction::TransactionBody_oneof_data},
    transaction::Transaction,
    AccountId, Client, ErrorKind,
};
use failure::Error;
use query_interface::{interfaces, vtable_for};
use std::{any::Any, time::Duration};
use try_from::TryInto;

pub struct TransactionCryptoCreate {
    key: Option<PublicKey>,
    initial_balance: u64,
    send_record_threshold: i64,
    receive_record_threshold: i64,
    receiver_signature_required: bool,
    proxy_account: Option<AccountId>,
    proxy_fraction: Option<i32>,
    max_receive_proxy_fraction: Option<i32>,
    auto_renew_period: Duration,
}

interfaces!(
    TransactionCryptoCreate: dyn Any,
    dyn ToProto<TransactionBody_oneof_data>
);

impl TransactionCryptoCreate {
    pub fn new(client: &Client) -> Transaction<Self> {
        Transaction::new(
            client,
            Self {
                key: None,
                initial_balance: 0,
                send_record_threshold: i64::max_value(),
                receive_record_threshold: i64::max_value(),
                receiver_signature_required: false,
                proxy_account: None,
                proxy_fraction: None,
                max_receive_proxy_fraction: None,
                auto_renew_period: Duration::from_secs(2_592_000),
            },
        )
    }
}

impl Transaction<TransactionCryptoCreate> {
    #[inline]
    pub fn key(&mut self, key: PublicKey) -> &mut Self {
        self.inner().key = Some(key);
        self
    }

    #[inline]
    pub fn initial_balance(&mut self, balance: u64) -> &mut Self {
        self.inner().initial_balance = balance;
        self
    }

    #[inline]
    pub fn proxy_account(&mut self, account: AccountId) -> &mut Self {
        self.inner().proxy_account = Some(account);
        self
    }

    #[inline]
    pub fn proxy_fraction(&mut self, fraction: i32) -> &mut Self {
        self.inner().proxy_fraction = Some(fraction);
        self
    }

    #[inline]
    pub fn max_receive_proxy_fraction(&mut self, fraction: i32) -> &mut Self {
        self.inner().max_receive_proxy_fraction = Some(fraction);
        self
    }

    /// The account is charged to extend its expiration date every this many seconds.
    /// If it doesn't have enough, it extends as long as possible.
    /// If it is empty when it expires, then it is deleted.
    ///
    /// Defaults to `2_592_000` seconds.
    #[inline]
    pub fn auto_renew_period(&mut self, period: Duration) -> &mut Self {
        self.inner().auto_renew_period = period;
        self
    }

    /// Create an account record for any transaction withdrawing more than this many tinybars.
    #[inline]
    pub fn send_record_threshold(&mut self, threshold: i64) -> &mut Self {
        debug_assert!(threshold > 0);

        self.inner().send_record_threshold = threshold;
        self
    }

    /// Create an account record for any transaction depositing more than this many tinybars.
    #[inline]
    pub fn receive_record_threshold(&mut self, threshold: i64) -> &mut Self {
        debug_assert!(threshold > 0);

        self.inner().receive_record_threshold = threshold;
        self
    }

    /// If true, this account's key must sign any transaction depositing into this
    /// account (in addition to all withdrawals). This field is immutable; it cannot be
    /// changed by a CryptoUpdate transaction.
    #[inline]
    pub fn receiver_signature_required(&mut self, required: bool) -> &mut Self {
        self.inner().receiver_signature_required = required;
        self
    }
}

impl ToProto<TransactionBody_oneof_data> for TransactionCryptoCreate {
    fn to_proto(&self) -> Result<TransactionBody_oneof_data, Error> {
        let mut data = proto::CryptoCreate::CryptoCreateTransactionBody::new();

        let mut shard = proto::BasicTypes::ShardID::new();
        shard.set_shardNum(0);
        data.set_shardID(shard);

        let mut realm = proto::BasicTypes::RealmID::new();
        realm.set_realmNum(0);
        data.set_realmID(realm);

        data.set_initialBalance(self.initial_balance);
        data.set_sendRecordThreshold(self.send_record_threshold.try_into()?);
        data.set_receiveRecordThreshold(self.receive_record_threshold.try_into()?);
        data.set_receiverSigRequired(self.receiver_signature_required);

        if let Some(account) = self.proxy_account {
            data.set_proxyAccountID(account.to_proto()?);
        }

        if let Some(fraction) = self.proxy_fraction {
            data.set_proxyFraction(fraction);
        }

        if let Some(fraction) = self.max_receive_proxy_fraction {
            data.set_maxReceiveProxyFraction(fraction);
        }

        let key = match self.key.as_ref() {
            Some(key) => key,
            None => Err(ErrorKind::MissingField("key"))?,
        };

        data.set_key(key.to_proto()?);
        data.set_autoRenewPeriod(self.auto_renew_period.to_proto()?);

        Ok(TransactionBody_oneof_data::cryptoCreateAccount(data))
    }
}