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@ -497,7 +497,7 @@ class LNPathFinder(PrintError): |
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"""Heuristic cost of going through a channel. |
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direction: 0 or 1. --- 0 means node_id_1 -> node_id_2 |
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""" |
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channel_info = self.channel_db.get_channel_info(short_channel_id) |
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channel_info = self.channel_db.get_channel_info(short_channel_id) # type: ChannelInfo |
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if channel_info is None: |
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return float('inf') |
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@ -514,8 +514,11 @@ class LNPathFinder(PrintError): |
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if channel_info.capacity_sat is not None and \ |
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payment_amt_msat // 1000 > channel_info.capacity_sat: |
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return float('inf') # payment amount too large |
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if channel_policy.htlc_maximum_msat is not None and \ |
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payment_amt_msat > channel_policy.htlc_maximum_msat: |
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return float('inf') # payment amount too large |
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amt = payment_amt_msat or 50000 * 1000 # guess for typical payment amount |
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fee_msat = fee_base_msat + amt * fee_proportional_millionths / 1000000 |
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fee_msat = fee_base_msat + amt * fee_proportional_millionths / 1_000_000 |
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# TODO revise |
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# paying 10 more satoshis ~ waiting one more block |
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fee_cost = fee_msat / 1000 / 10 |
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