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Support BTC testnet4 in lightweight provider #363

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Merged
anderdc merged 1 commit into from
May 21, 2026
Merged

Support BTC testnet4 in lightweight provider #363

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2 changes: 1 addition & 1 deletion .env.example
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ CONTRACT_ADDRESS=
# ─── Chain: Bitcoin (env_prefix=BTC) ───────────────────────
# node = local Bitcoin node | lightweight = Blockstream API (no node required)
BTC_MODE=lightweight
# mainnet | testnet (auto-detected from RPC URL in node mode)
# mainnet | testnet | testnet4 (auto-detected from RPC URL in node mode)
BTC_NETWORK=mainnet
# Required for BTC_MODE=node only
BTC_RPC_URL=
Expand Down
11 changes: 8 additions & 3 deletions allways/chain_providers/bitcoin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -110,7 +110,9 @@ def __init__(self):
self.rpc_user = os.environ.get('BTC_RPC_USER', '')
self.rpc_pass = os.environ.get('BTC_RPC_PASS', '')
if not self.network:
if any(p in self.rpc_url for p in [':18332', ':18443', 'testnet']):
if ':48332' in self.rpc_url:
self.network = 'testnet4'
elif any(p in self.rpc_url for p in [':18332', ':18443', 'testnet']):
self.network = 'testnet'
else:
self.network = 'mainnet'
Expand Down Expand Up @@ -398,7 +400,10 @@ def btc_api_bases(self) -> list[tuple[str, Optional[dict]]]:
"""
if self.esplora_bases:
return self.esplora_bases
if self.network == 'testnet':
if self.network == 'testnet4':
# Blockstream serves no testnet4 API; mempool.space is the only public Esplora.
defaults = ('https://mempool.space/testnet4/api',)
elif self.network == 'testnet':
defaults = ('https://blockstream.info/testnet/api', 'https://mempool.space/testnet/api')
else:
defaults = ('https://blockstream.info/api', 'https://mempool.space/api')
Expand Down Expand Up @@ -620,7 +625,7 @@ def send_amount_lightweight(
return None

try:
network = NETWORKS['test'] if self.network == 'testnet' else NETWORKS['main']
network = NETWORKS['test'] if self.network in ('testnet', 'testnet4') else NETWORKS['main']
privkey = EmbitPrivateKey.from_wif(wif)
pubkey = privkey.get_public_key()
segwit_script = p2wpkh(pubkey)
Expand Down
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