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
158
use std::sync::Arc;
use std::convert::TryInto;
use codec::{Codec, Decode};
use tp_blockchain::HeaderBackend;
use tetsy_jsonrpc_core::{Error as RpcError, ErrorCode, Result};
use tetsy_jsonrpc_derive::rpc;
use tp_runtime::{generic::BlockId, traits::{Block as BlockT, MaybeDisplay}};
use tp_api::ProvideRuntimeApi;
use tet_core::Bytes;
use tp_rpc::number::NumberOrHex;
use noble_transaction_payment_rpc_runtime_api::{FeeDetails, InclusionFee, RuntimeDispatchInfo};
pub use noble_transaction_payment_rpc_runtime_api::TransactionPaymentApi as TransactionPaymentRuntimeApi;
pub use self::gen_client::Client as TransactionPaymentClient;
#[rpc]
pub trait TransactionPaymentApi<BlockHash, ResponseType> {
#[rpc(name = "payment_queryInfo")]
fn query_info(
&self,
encoded_xt: Bytes,
at: Option<BlockHash>
) -> Result<ResponseType>;
#[rpc(name = "payment_queryFeeDetails")]
fn query_fee_details(
&self,
encoded_xt: Bytes,
at: Option<BlockHash>
) -> Result<FeeDetails<NumberOrHex>>;
}
pub struct TransactionPayment<C, P> {
client: Arc<C>,
_marker: std::marker::PhantomData<P>,
}
impl<C, P> TransactionPayment<C, P> {
pub fn new(client: Arc<C>) -> Self {
Self { client, _marker: Default::default() }
}
}
pub enum Error {
DecodeError,
RuntimeError,
}
impl From<Error> for i64 {
fn from(e: Error) -> i64 {
match e {
Error::RuntimeError => 1,
Error::DecodeError => 2,
}
}
}
impl<C, Block, Balance> TransactionPaymentApi<
<Block as BlockT>::Hash,
RuntimeDispatchInfo<Balance>,
> for TransactionPayment<C, Block>
where
Block: BlockT,
C: 'static + ProvideRuntimeApi<Block> + HeaderBackend<Block>,
C::Api: TransactionPaymentRuntimeApi<Block, Balance>,
Balance: Codec + MaybeDisplay + Copy + TryInto<NumberOrHex>,
{
fn query_info(
&self,
encoded_xt: Bytes,
at: Option<<Block as BlockT>::Hash>
) -> Result<RuntimeDispatchInfo<Balance>> {
let api = self.client.runtime_api();
let at = BlockId::hash(at.unwrap_or_else(||
self.client.info().best_hash
));
let encoded_len = encoded_xt.len() as u32;
let uxt: Block::Extrinsic = Decode::decode(&mut &*encoded_xt).map_err(|e| RpcError {
code: ErrorCode::ServerError(Error::DecodeError.into()),
message: "Unable to query dispatch info.".into(),
data: Some(format!("{:?}", e).into()),
})?;
api.query_info(&at, uxt, encoded_len).map_err(|e| RpcError {
code: ErrorCode::ServerError(Error::RuntimeError.into()),
message: "Unable to query dispatch info.".into(),
data: Some(format!("{:?}", e).into()),
})
}
fn query_fee_details(
&self,
encoded_xt: Bytes,
at: Option<<Block as BlockT>::Hash>,
) -> Result<FeeDetails<NumberOrHex>> {
let api = self.client.runtime_api();
let at = BlockId::hash(at.unwrap_or_else(||
self.client.info().best_hash
));
let encoded_len = encoded_xt.len() as u32;
let uxt: Block::Extrinsic = Decode::decode(&mut &*encoded_xt).map_err(|e| RpcError {
code: ErrorCode::ServerError(Error::DecodeError.into()),
message: "Unable to query fee details.".into(),
data: Some(format!("{:?}", e).into()),
})?;
let fee_details = api.query_fee_details(&at, uxt, encoded_len).map_err(|e| RpcError {
code: ErrorCode::ServerError(Error::RuntimeError.into()),
message: "Unable to query fee details.".into(),
data: Some(format!("{:?}", e).into()),
})?;
let try_into_rpc_balance = |value: Balance| value.try_into().map_err(|_| RpcError {
code: ErrorCode::InvalidParams,
message: format!("{} doesn't fit in NumberOrHex representation", value),
data: None,
});
Ok(FeeDetails {
inclusion_fee: if let Some(inclusion_fee) = fee_details.inclusion_fee {
Some(InclusionFee {
base_fee: try_into_rpc_balance(inclusion_fee.base_fee)?,
len_fee: try_into_rpc_balance(inclusion_fee.len_fee)?,
adjusted_weight_fee: try_into_rpc_balance(inclusion_fee.adjusted_weight_fee)?,
})
} else {
None
},
tip: Default::default(),
})
}
}