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
use solana_client::{
client_error::Result as ClientResult, rpc_client::RpcClient, rpc_request::RpcError,
};
use solana_sdk::transaction::Transaction;
use solana_sdk::{
clock::Slot, commitment_config::CommitmentConfig, signature::Signature,
transaction::uses_durable_nonce,
};
use std::{thread, time};
pub trait AnyhowWrap {
type Value;
fn map_err_anyhow(self) -> anyhow::Result<Self::Value>;
}
impl<T, E: std::fmt::Debug> AnyhowWrap for Result<T, E> {
type Value = T;
fn map_err_anyhow(self) -> anyhow::Result<Self::Value> {
self.map_err(|err| anyhow::anyhow!("{:?}", err))
}
}
pub trait AsyncChannelSendUnlessFull<T> {
fn send_unless_full(&self, msg: T) -> Result<(), async_channel::SendError<T>>;
}
impl<T> AsyncChannelSendUnlessFull<T> for async_channel::Sender<T> {
fn send_unless_full(&self, msg: T) -> Result<(), async_channel::SendError<T>> {
use async_channel::*;
match self.try_send(msg) {
Ok(()) => Ok(()),
Err(TrySendError::Closed(msg)) => Err(async_channel::SendError(msg)),
Err(TrySendError::Full(_)) => Ok(()),
}
}
}
pub fn send_and_confirm_transaction(
rpc_client: &RpcClient,
transaction: &Transaction,
) -> ClientResult<(Signature, Slot)> {
const SEND_RETRIES: usize = 1;
const GET_STATUS_RETRIES: usize = usize::MAX;
'sending: for _ in 0..SEND_RETRIES {
let signature = rpc_client.send_transaction(transaction)?;
let recent_blockhash = if uses_durable_nonce(transaction).is_some() {
let (recent_blockhash, ..) =
rpc_client.get_latest_blockhash_with_commitment(CommitmentConfig::processed())?;
recent_blockhash
} else {
transaction.message.recent_blockhash
};
for status_retry in 0..GET_STATUS_RETRIES {
let response = rpc_client.get_signature_statuses(&[signature])?.value;
match response[0]
.clone()
.filter(|result| result.satisfies_commitment(rpc_client.commitment()))
{
Some(tx_status) => {
return if let Some(e) = tx_status.err {
Err(e.into())
} else {
Ok((signature, tx_status.slot))
};
}
None => {
if !rpc_client
.is_blockhash_valid(&recent_blockhash, CommitmentConfig::processed())?
{
break 'sending;
} else if cfg!(not(test))
&& status_retry < GET_STATUS_RETRIES
{
thread::sleep(time::Duration::from_millis(500));
continue;
}
}
}
}
}
Err(RpcError::ForUser(
"unable to confirm transaction. \
This can happen in situations such as transaction expiration \
and insufficient fee-payer funds"
.to_string(),
)
.into())
}