AaronFiore/electrum
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reverse swaps: in the CLI, replace 'server_mining_fee' with

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'prepayment', which corresponds to the trusted part of the
lightning payment.

We use 2*sm.mining_fee, where 'mining_fee' is the flat part of
the server fee. However, future protocol should probably allow
to set a value that does not depend on 'mining_fee'.
(note that LND uses a hardcoded amount).
This commit is contained in:
ThomasV
2025-08-21 17:38:31 +02:00
parent 139508e2b4
commit 864932c79a
6 changed files with 25 additions and 25 deletions
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12
tests/regtest/regtest.sh
View File

@@ -248,8 +248,8 @@ if [[ $1 == "swapserver_success" ]]; then
echo "alice initiates swap"
dryrun=$($alice reverse_swap 0.02 dryrun)
onchain_amount=$(echo $dryrun| jq -r ".onchain_amount")
swapserver_mining_fee=$(echo $dryrun| jq -r ".provider_mining_fee")
swap=$($alice reverse_swap 0.02 $onchain_amount --provider_mining_fee $swapserver_mining_fee)
prepayment=$(echo $dryrun| jq -r ".prepayment")
swap=$($alice reverse_swap 0.02 $onchain_amount --prepayment $prepayment)
echo $swap | jq
funding_txid=$(echo $swap| jq -r ".funding_txid")
new_blocks 1
@@ -273,8 +273,8 @@ if [[ $1 == "swapserver_forceclose" ]]; then
echo "alice initiates swap"
dryrun=$($alice reverse_swap 0.02 dryrun)
onchain_amount=$(echo $dryrun| jq -r ".onchain_amount")
swapserver_mining_fee=$(echo $dryrun| jq -r ".provider_mining_fee")
swap=$($alice reverse_swap 0.02 $onchain_amount --provider_mining_fee $swapserver_mining_fee)
prepayment=$(echo $dryrun| jq -r ".prepayment")
swap=$($alice reverse_swap 0.02 $onchain_amount --prepayment $prepayment)
echo $swap | jq
funding_txid=$(echo $swap| jq -r ".funding_txid")
ctx_id=$($bob close_channel --force $channel)
@@ -309,8 +309,8 @@ if [[ $1 == "swapserver_refund" ]]; then
echo "alice initiates swap"
dryrun=$($alice reverse_swap 0.02 dryrun)
onchain_amount=$(echo $dryrun| jq -r ".onchain_amount")
swapserver_mining_fee=$(echo $dryrun| jq -r ".provider_mining_fee")
swap=$($alice reverse_swap 0.02 $onchain_amount --provider_mining_fee $swapserver_mining_fee)
prepayment=$(echo $dryrun| jq -r ".prepayment")
swap=$($alice reverse_swap 0.02 $onchain_amount --prepayment $prepayment)
echo $swap | jq
funding_txid=$(echo $swap| jq -r ".funding_txid")
new_blocks 140

4
tests/test_commands.py
View File

@@ -696,14 +696,14 @@ class TestCommandsTestnet(ElectrumTestCase):
"max_forward_sat": offer1.pairs.max_forward,
"max_reverse_sat": offer1.pairs.max_reverse,
"min_amount_sat": offer1.pairs.min_amount,
"provider_mining_fee": offer1.pairs.mining_fee,
"prepayment": 2 * offer1.pairs.mining_fee,
},
offer2.server_npub: {
"percentage_fee": offer2.pairs.percentage,
"max_forward_sat": offer2.pairs.max_forward,
"max_reverse_sat": offer2.pairs.max_reverse,
"min_amount_sat": offer2.pairs.min_amount,
"provider_mining_fee": offer2.pairs.mining_fee,
"prepayment": 2 * offer2.pairs.mining_fee,
}
}
self.assertEqual(result, expected_result)