hyperfuel_client/
config.rs

1use serde::{Deserialize, Serialize};
2use std::num::NonZeroU64;
3use url::Url;
4
5use crate::ColumnMapping;
6
7/// Configuration for the hypersync client.
8#[derive(Default, Debug, Clone, Deserialize, Serialize)]
9pub struct ClientConfig {
10    /// HyperSync server URL.
11    pub url: Option<Url>,
12    /// HyperSync server bearer token.
13    pub bearer_token: Option<String>,
14    /// Milliseconds to wait for a response before timing out.
15    pub http_req_timeout_millis: Option<NonZeroU64>,
16    /// Number of retries to attempt before returning error.
17    pub max_num_retries: Option<usize>,
18    /// Milliseconds that would be used for retry backoff increasing.
19    pub retry_backoff_ms: Option<u64>,
20    /// Initial wait time for request backoff.
21    pub retry_base_ms: Option<u64>,
22    /// Ceiling time for request backoff.
23    pub retry_ceiling_ms: Option<u64>,
24}
25
26/// Config for hypersync event streaming.
27#[derive(Default, Debug, Clone, Serialize, Deserialize)]
28pub struct StreamConfig {
29    /// Column mapping for stream function output.
30    /// It lets you map columns you want into the DataTypes you want.
31    pub column_mapping: Option<ColumnMapping>,
32    /// Event signature used to populate decode logs. Decode logs would be empty if set to None.
33    pub event_signature: Option<String>,
34    /// Determines formatting of binary columns numbers into utf8 hex.
35    #[serde(default)]
36    pub hex_output: HexOutput,
37    /// Initial batch size. Size would be adjusted based on response size during execution.
38    pub batch_size: Option<u64>,
39    /// Maximum batch size that could be used during dynamic adjustment.
40    pub max_batch_size: Option<u64>,
41    /// Minimum batch size that could be used during dynamic adjustment.
42    pub min_batch_size: Option<u64>,
43    /// Number of async threads that would be spawned to execute different block ranges of queries.
44    pub concurrency: Option<usize>,
45    /// Max number of blocks to fetch in a single request.
46    pub max_num_blocks: Option<usize>,
47    /// Max number of transactions to fetch in a single request.
48    pub max_num_transactions: Option<usize>,
49    /// Max number of receipts to fetch in a single request.
50    pub max_num_receipts: Option<usize>,
51    /// Max number of inputs to fetch in a single request.
52    pub max_num_inputs: Option<usize>,
53    /// Max number of outputs to fetch in a single request.
54    pub max_num_outputs: Option<usize>,
55    /// Size of a response in bytes from which step size will be lowered
56    pub response_bytes_ceiling: Option<u64>,
57    /// Size of a response in bytes from which step size will be increased
58    pub response_bytes_floor: Option<u64>,
59    /// Stream data in reverse order
60    pub reverse: Option<bool>,
61}
62
63/// Determines format of Binary column
64#[derive(Clone, Copy, Debug, Serialize, Deserialize)]
65pub enum HexOutput {
66    /// Binary column won't be formatted as hex
67    NoEncode,
68    /// Binary column would be formatted as prefixed hex i.e. 0xdeadbeef
69    Prefixed,
70    /// Binary column would be formatted as non prefixed hex i.e. deadbeef
71    NonPrefixed,
72}
73
74impl Default for HexOutput {
75    fn default() -> Self {
76        Self::NoEncode
77    }
78}