Fix BIP110 detection for reduced_data deployments
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copilot-swe-agent[bot]
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0ecf2eb651
@@ -2256,6 +2256,13 @@ _btcd_version_cache: tuple[float, str | None] = (0.0, None)
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# Cache for ``bitcoin-cli getdeploymentinfo`` output (BIP-110 live status)
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_btc_deployment_cache: tuple[float, dict | None] = (0.0, None)
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# Bitcoin Knots exposes BIP-110 as the `reduced_data` versionbits deployment
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# (RDTS, bit 4) in getdeploymentinfo. See Knots src/deploymentinfo.cpp,
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# src/kernel/chainparams.cpp, and doc/bips.md.
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BIP110_DEPLOYMENT_NAMES = {"reduced_data", "rdts", "bip110", "uasf-bip110"}
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BIP110_VERSIONBITS_BIT = 4
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BIP110_SUBVERSION_MARKERS = {"bip110", "uasf-bip110", "reduced_data", "rdts"}
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# ── Generic service version detection (NixOS store path) ─────────
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@@ -2414,16 +2421,16 @@ def _get_bip110_status() -> dict:
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Resolution order (authoritative → fallback → honest unknown):
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1. ``getdeploymentinfo`` (authoritative) — scan the ``deployments`` dict for an
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entry whose key (case-insensitive) contains "bip110". The exact
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deployment key name is **not** hard-coded because it may vary across Knots
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releases; detection is intentionally generic so that a name change degrades
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to "unknown" rather than producing a false result.
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1. ``getdeploymentinfo`` (authoritative) — scan ``deployments`` for BIP-110.
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Bitcoin Knots currently exposes BIP-110 as ``reduced_data`` (RDTS, bit 4;
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see Knots deploymentinfo.cpp / chainparams.cpp / doc/bips.md), so matching
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first uses known deployment names, then falls back to versionbits bit 4.
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2. Subversion fallback — if getdeploymentinfo is unavailable or yields no
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recognisable BIP-110 entry, inspect the ``subversion`` field from
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``getnetworkinfo``. A case-insensitive match for "bip110" or "uasf-bip110"
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in the subversion string is treated as "signaling".
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``getnetworkinfo``. A case-insensitive match for known BIP-110 markers
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(including "bip110", "uasf-bip110", "reduced_data", "rdts") is treated as
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"signaling".
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3. Unknown — if the node is entirely unreachable or neither source is
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conclusive, return state="unknown", signaling=False, source="none".
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@@ -2435,14 +2442,37 @@ def _get_bip110_status() -> dict:
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if deploy_info is not None:
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deployments = deploy_info.get("deployments", {})
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if isinstance(deployments, dict):
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matched_entry: dict | None = None
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# Primary match: known deployment names (case-insensitive contains)
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for key, entry in deployments.items():
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# Generic scan: match key that contains "bip110" (case-insensitive).
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# Deliberately not matching bare "110" to avoid false positives on
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# unrelated deployments whose names happen to include that digit sequence.
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if "bip110" not in key.lower():
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continue
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if not isinstance(entry, dict):
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continue
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key_lower = key.lower()
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if not any(name in key_lower for name in BIP110_DEPLOYMENT_NAMES):
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continue
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matched_entry = entry
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break
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# Secondary match: versionbits bit (fallback only)
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if matched_entry is None:
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for _, entry in deployments.items():
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if not isinstance(entry, dict):
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continue
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bip9 = entry.get("bip9", {}) or {}
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bip8 = entry.get("bip8", {}) or {}
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bit = bip9.get("bit")
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if bit is None:
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bit = bip8.get("bit")
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if bit is None:
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bit = entry.get("bit")
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if bit != BIP110_VERSIONBITS_BIT:
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continue
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matched_entry = entry
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break
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if matched_entry is not None:
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entry = matched_entry
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# bip9 / bip8 status field
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bip9 = entry.get("bip9", {}) or {}
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@@ -2460,9 +2490,13 @@ def _get_bip110_status() -> dict:
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if status == "locked_in":
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return {"supported": True, "signaling": True, "state": "locked_in", "source": "getdeploymentinfo"}
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if status in ("started", "defined"):
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# Check whether the node is currently signaling this period
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# Check whether deployment is currently signaling in this period.
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stats = bip9.get("statistics") or bip8.get("statistics") or {}
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signaling = bool(stats.get("signaling", False))
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signaling = bool(
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stats.get("signaling")
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or stats.get("signalling")
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or (isinstance(stats.get("count"), int) and stats.get("count", 0) > 0)
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)
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if signaling:
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return {"supported": True, "signaling": True, "state": "signaling", "source": "getdeploymentinfo"}
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return {"supported": True, "signaling": False, "state": "not_signaling", "source": "getdeploymentinfo"}
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@@ -2476,7 +2510,7 @@ def _get_bip110_status() -> dict:
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if net_info is not None:
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subversion = net_info.get("subversion", "") or ""
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sv_lower = subversion.lower()
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if "bip110" in sv_lower or "uasf-bip110" in sv_lower:
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if any(marker in sv_lower for marker in BIP110_SUBVERSION_MARKERS):
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return {"supported": True, "signaling": True, "state": "signaling", "source": "subversion"}
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# Node is reachable via RPC but no BIP-110 marker found anywhere
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return {"supported": False, "signaling": False, "state": "unsupported", "source": "subversion"}
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@@ -67,10 +67,10 @@ async function apiFetch(path, options) {
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// Keys match the "state" values returned by /api/bitcoin/bip110.
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var BIP110_BADGE_CONFIG = {
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active: { cls: 'tile-bip110-badge--active', label: 'BIP\u2011110: Active \u2713', title: 'BIP-110 is active on this node' },
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locked_in: { cls: 'tile-bip110-badge--locked_in', label: 'BIP\u2011110: Locked In', title: 'BIP-110 is locked in and will activate shortly' },
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signaling: { cls: 'tile-bip110-badge--signaling', label: 'BIP\u2011110: Signaling', title: 'Node is signaling readiness for BIP-110' },
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not_signaling: { cls: 'tile-bip110-badge--not_signaling',label: 'BIP\u2011110: Not Signaling', title: 'Node supports BIP-110 but is not signaling this period' },
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unsupported: { cls: 'tile-bip110-badge--unsupported', label: 'BIP\u2011110: Not Supported', title: 'This node build does not include BIP-110' },
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unknown: { cls: 'tile-bip110-badge--unknown', label: 'BIP\u2011110: \u2014', title: 'Status unavailable (node syncing or RPC not ready)' }
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active: { cls: 'tile-bip110-badge--active', label: 'Active', title: 'BIP-110 is active on this node' },
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locked_in: { cls: 'tile-bip110-badge--locked_in', label: 'Locked In', title: 'BIP-110 is locked in and will activate shortly' },
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signaling: { cls: 'tile-bip110-badge--signaling', label: 'Signaling', title: 'Node is signaling readiness for BIP-110' },
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not_signaling: { cls: 'tile-bip110-badge--not_signaling',label: 'Not Signaling', title: 'Node supports BIP-110 but is not signaling this period' },
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unsupported: { cls: 'tile-bip110-badge--unsupported', label: 'Not Supported', title: 'This node build does not include BIP-110' },
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unknown: { cls: 'tile-bip110-badge--unknown', label: '\u2014', title: 'Status unavailable (node syncing or RPC not ready)' }
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};
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@@ -0,0 +1,166 @@
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import unittest
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from unittest.mock import patch
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from pathlib import Path
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import sys
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import types
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sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
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def _install_web_stubs():
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if "fastapi" in sys.modules:
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return
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class _HTTPException(Exception):
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def __init__(self, status_code=None, detail=None):
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super().__init__(detail)
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self.status_code = status_code
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self.detail = detail
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class _FastAPI:
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def __init__(self, *args, **kwargs):
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pass
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def mount(self, *args, **kwargs):
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return None
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def add_middleware(self, *args, **kwargs):
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return None
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def __getattr__(self, _name):
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def _decorator_factory(*args, **kwargs):
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def _decorator(func):
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return func
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return _decorator
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return _decorator_factory
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class _BaseModel:
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pass
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class _StaticFiles:
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def __init__(self, *args, **kwargs):
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pass
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class _Jinja2Templates:
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def __init__(self, *args, **kwargs):
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pass
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class _BaseHTTPMiddleware:
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pass
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fastapi_module = types.ModuleType("fastapi")
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fastapi_module.FastAPI = _FastAPI
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fastapi_module.HTTPException = _HTTPException
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sys.modules["fastapi"] = fastapi_module
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responses_module = types.ModuleType("fastapi.responses")
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responses_module.HTMLResponse = object
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responses_module.JSONResponse = object
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responses_module.RedirectResponse = object
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sys.modules["fastapi.responses"] = responses_module
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staticfiles_module = types.ModuleType("fastapi.staticfiles")
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staticfiles_module.StaticFiles = _StaticFiles
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sys.modules["fastapi.staticfiles"] = staticfiles_module
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templating_module = types.ModuleType("fastapi.templating")
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templating_module.Jinja2Templates = _Jinja2Templates
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sys.modules["fastapi.templating"] = templating_module
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requests_module = types.ModuleType("fastapi.requests")
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requests_module.Request = object
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sys.modules["fastapi.requests"] = requests_module
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pydantic_module = types.ModuleType("pydantic")
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pydantic_module.BaseModel = _BaseModel
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sys.modules["pydantic"] = pydantic_module
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starlette_base_module = types.ModuleType("starlette.middleware.base")
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starlette_base_module.BaseHTTPMiddleware = _BaseHTTPMiddleware
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sys.modules["starlette.middleware.base"] = starlette_base_module
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starlette_middleware_module = types.ModuleType("starlette.middleware")
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starlette_middleware_module.base = starlette_base_module
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sys.modules["starlette.middleware"] = starlette_middleware_module
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starlette_module = types.ModuleType("starlette")
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starlette_module.middleware = starlette_middleware_module
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sys.modules["starlette"] = starlette_module
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_install_web_stubs()
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from sovran_systemsos_web import server
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class Bip110StatusTests(unittest.TestCase):
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def _status(self, deploy_info, net_info):
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with patch.object(server, "_get_bitcoin_deployment_info", return_value=deploy_info), patch.object(
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server, "_get_bitcoin_version_info", return_value=net_info
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):
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return server._get_bip110_status()
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def test_started_reduced_data_reports_signaling(self):
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deploy_info = {
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"deployments": {
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"reduced_data": {
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"type": "bip9",
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"active": False,
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"bip9": {
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"bit": 4,
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"status": "started",
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"statistics": {"elapsed": 833, "count": 4, "threshold": 1109},
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"signalling": "--#--",
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},
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}
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}
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}
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result = self._status(deploy_info, {"subversion": "/Satoshi:29.0.0/"})
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self.assertEqual(
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result,
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{"supported": True, "signaling": True, "state": "signaling", "source": "getdeploymentinfo"},
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)
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def test_active_reduced_data_reports_active(self):
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deploy_info = {
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"deployments": {"reduced_data": {"active": True, "bip9": {"bit": 4, "status": "active"}}}
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}
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result = self._status(deploy_info, {"subversion": "/Satoshi:29.0.0/"})
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self.assertEqual(result["state"], "active")
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self.assertTrue(result["supported"])
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self.assertTrue(result["signaling"])
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self.assertEqual(result["source"], "getdeploymentinfo")
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def test_locked_in_reduced_data_reports_locked_in(self):
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deploy_info = {
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"deployments": {"reduced_data": {"active": False, "bip9": {"bit": 4, "status": "locked_in"}}}
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}
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result = self._status(deploy_info, {"subversion": "/Satoshi:29.0.0/"})
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self.assertEqual(result["state"], "locked_in")
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self.assertTrue(result["supported"])
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self.assertTrue(result["signaling"])
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self.assertEqual(result["source"], "getdeploymentinfo")
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def test_no_bip110_deployment_and_plain_subversion_reports_unsupported(self):
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deploy_info = {
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"deployments": {
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"taproot": {"type": "bip9", "active": True, "bip9": {"bit": 2, "status": "active"}},
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}
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}
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result = self._status(deploy_info, {"subversion": "/Satoshi:27.0.0/"})
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self.assertEqual(
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result,
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{"supported": False, "signaling": False, "state": "unsupported", "source": "subversion"},
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)
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def test_node_unreachable_reports_unknown(self):
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result = self._status(None, None)
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self.assertEqual(result, {"supported": False, "signaling": False, "state": "unknown", "source": "none"})
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if __name__ == "__main__":
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unittest.main()
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