working on wrong input amount calculation

taptrade-cli-demo/coordinator/src/coordinator/mod.rs

@@ -15,8 +15,28 @@ pub async fn process_order(
 	let wallet = &coordinator.coordinator_wallet;
 	let database = &coordinator.coordinator_db;
 
-	let locking_amount_sat = offer.amount_satoshi * u64::from(offer.bond_ratio) / 100;
-
+	// the client also uses this amount to select inputs for the escrow psbt, this could be separated
+	// to make the required bond amount lower without causing the client to return too small inputs
+	// 5000 is the abs tx fee used in the escrow psbt per trader
+	panic!("This is borked");
+	let coordinator_feerate = (coordinator.coordinator_wallet.coordinator_feerate
+		* offer.amount_satoshi as f64) as u64
+		/ 100;
+	let locking_amount_sat = match offer.is_buy_order {
+		true => {
+			5000 + coordinator_feerate + offer.amount_satoshi * u64::from(offer.bond_ratio) / 100
+		}
+		false => {
+			(offer.amount_satoshi * u64::from(offer.bond_ratio) / 100)
+				+ offer.amount_satoshi
+				+ 5000 + coordinator_feerate
+		}
+	};
+	trace!(
+		"Offer amount: {}, Locking amount: {}",
+		offer.amount_satoshi,
+		locking_amount_sat
+	);
 	let bond_requirements = BondRequirementResponse {
 		bond_address: wallet.get_new_address().await?,
 		locking_amount_sat,

taptrade-cli-demo/coordinator/src/wallet/escrow_psbt.rs

@@ -159,6 +159,12 @@ impl<D: bdk::database::BatchDatabase> CoordinatorWallet<D> {
 			// upfront and substract the fee from the change outputs (10k == ~30/sat vbyte)
 			let tx_fee_abs = 10000;
 
+			debug!(
+				"Escrow amounts: maker: {}, fee: {}, input sum: {}",
+				escrow_amount_maker_sat,
+				escrow_fee_sat_per_participant,
+				maker_psbt_input_data.input_sum()?
+			);
 			let change_amount_maker = maker_psbt_input_data.input_sum()?
 				- (escrow_amount_maker_sat + escrow_fee_sat_per_participant + tx_fee_abs / 2);
 			let change_amount_taker = taker_psbt_input_data.input_sum()?

taptrade-cli-demo/trader/src/trading/maker_utils.rs

@@ -55,7 +55,7 @@ impl ActiveOffer {
 	// returns the PSBT of the escrow trade transaction we have to validate, sign and return
 	pub fn wait_until_taken(&self, trader_config: &TraderSettings) -> Result<OfferTakenResponse> {
 		loop {
-			thread::sleep(Duration::from_secs(10));
+			thread::sleep(Duration::from_secs(2));
 			if let Some(offer_taken_response) = OfferTakenResponse::check(self, trader_config)? {
 				return Ok(offer_taken_response);
 			}