kingchenc
3a709d9a66
* feat(data): C-ABI Binance feed + Go binding (F4 wip)
C ABI exposes the existing async BinanceKlineStream (tokio + TLS, auto-reconnect,
mock-server-tested in wickra-data) through a blocking poll: wickra_binance_connect
/ _next(out, timeout_ms) -> {1 event, 0 timeout, -1 closed} / _close / _free over
an opaque BinanceStream that owns a current-thread runtime. WickraKlineEvent
carries OHLCV + open_time + is_closed + a 16-byte symbol buffer. `live-binance`
is now a default feature of wickra-c (the published DLL ships the feed; the wasm
build drops it via --no-default-features).
Go: NewBinanceFeed(symbols, interval, baseURL) + Next(timeout) + Close, with a
deterministic error-path smoke (the connect->event pipeline is covered by the
Rust mock-WS-server tests).
* feat(data): Binance feed C# + Java bindings (F4 wip)
C#: BinanceFeed(symbols, interval, baseUrl?) + Next(timeout) -> KlineEvent? +
Dispose; bespoke WickraKlineEvent native struct (fixed symbol buffer + byte
is_closed) since the scalar struct parser can't model it. `char` maps to `byte`
for the const char* params.
Java: BinanceFeed + KlineEvent record + BinanceInterval enum over Panama FFM;
the event is read at hand-computed offsets (symbol@0, doubles@16..48,
open_time@56, is_closed@64; 72-byte struct). Both with deterministic error-path
smokes (pipeline covered by the Rust mock-WS-server tests).
* feat(data): Binance feed R binding (F4 wip)
R: BinanceFeed(symbols, interval, base_url) + binance_next(feed, timeout_ms) ->
named list | NULL + binance_close, via bespoke .Call glue (wk_binance_*). The
glue + its registration entries are gated out of the Emscripten/wasm build
(#ifndef __EMSCRIPTEN__) since r-universe/webR has no raw sockets. NAMESPACE
exports added by hand (roxygen2 not installed locally). Deterministic error-path
smoke; pipeline covered by the Rust mock-WS-server tests.
* feat(data): native Binance feed for Node + Python; CHANGELOG (F4 complete)
Node (napi) BinanceFeed: new(symbols, interval, baseUrl?) + next(timeoutMs) ->
KlineEvent | null + close. Python (pyo3) BinanceFeed: same, with next releasing
the GIL (py.detach) while it waits. Both drive the mock-server-tested async
BinanceKlineStream on a single-thread tokio runtime (blocking poll); wickra-data
gains the live-binance feature + tokio in each binding.
Completes F4: the live Binance kline feed is now native in all 9 languages
(WASM excluded), with no third-party WebSocket client in any of them.
30 lines
783 B
TOML
30 lines
783 B
TOML
[package]
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name = "wickra-python"
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description = "Python bindings for the Wickra streaming-first technical indicators library."
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version.workspace = true
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authors.workspace = true
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edition.workspace = true
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rust-version.workspace = true
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license.workspace = true
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repository.workspace = true
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homepage.workspace = true
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readme.workspace = true
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keywords.workspace = true
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categories.workspace = true
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publish = false
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[lib]
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name = "_wickra"
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crate-type = ["cdylib"]
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[lints]
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workspace = true
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[dependencies]
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wickra-core = { workspace = true }
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wickra-data = { workspace = true, features = ["live-binance"] }
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pyo3 = { workspace = true }
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numpy = { workspace = true }
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# Drives the async Binance feed behind the blocking, GIL-releasing poll.
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tokio = { version = "1", features = ["rt", "net", "time"] }
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