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Fix: Median time one call.

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This commit is contained in:
gerlofvanek
2026-05-29 19:15:34 +02:00
parent 221d962c12
commit 283662e659
1 changed files with 15 additions and 5 deletions
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basicswap/interface/btc.py
+15 -5
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@@ -504,11 +504,21 @@ class BTCInterface(Secp256k1Interface):
def getChainMedianTime(self) -> int: def getChainMedianTime(self) -> int:
if self.useBackend(): if self.useBackend():
height = self._backend.getBlockHeight() import struct
times = []
for h in range(max(0, height - 10), height + 1): backend = self.getBackend()
header = self._getBlockHeaderFromHeightElectrum(h) if not backend:
times.append(header["time"]) raise ValueError("No electrum backend available")
height = backend.getBlockHeight()
start = max(0, height - 10)
count = height - start + 1
result = backend._server.call("blockchain.block.headers", [start, count])
header_bytes = bytes.fromhex(result["hex"])
returned = result.get("count", count)
times = [
struct.unpack("<I", header_bytes[i * 80 + 68 : i * 80 + 72])[0]
for i in range(returned)
]
times.sort() times.sort()
return times[len(times) // 2] return times[len(times) // 2]
return self.rpc("getblockchaininfo")["mediantime"] return self.rpc("getblockchaininfo")["mediantime"]