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add payout tx

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fbock
2024-08-26 11:03:54 +02:00
parent ef202d97f1
commit 8a30b8f4bb
1 changed files with 20 additions and 5 deletions
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README.md
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@ -14,8 +14,7 @@ Therefore the implementation of a purely on-chain pipeline would enable larger t
2. Implementation of client and coordinator
3. Integration of the client in RoboSats frontend
## Architecture
## Trade protocol
#### <u>Bonds</u>
Traders are required to submit a bond to the coordinator as first step of their trade. This bond is required to prevent misbehaviour like orderbook spamming or unreliable trade partners, it establishes a real cost to create offers and not finish them as agreed upon.
@ -92,12 +91,28 @@ let policy_d_string = format!("and(and(pk({}),pk({})),after(2048))", maker_pk, t
let escrow_output_descriptor = "tr(f00949d6dd1ce99a03f88a1a4f59117d553b0da51728bb7fd5b98fbf541337fb,{{and_v(v:pk(4987f3de20a9b1fa6f76c6758934953a8d615e415f1a656f0f6563694b53107d),pk(62333597c10487d959265bfc992514435daf74e26fd636f6b70e8936b4a82f3e)),and_v(v:pk(f1f1db08126af105974cde6021096525ed390cf9b7cde5fedb17a0b16ed31151),pk(62333597c10487d959265bfc992514435daf74e26fd636f6b70e8936b4a82f3e))},{and_v(v:and_v(v:pk(4987f3de20a9b1fa6f76c6758934953a8d615e415f1a656f0f6563694b53107d),pk(f1f1db08126af105974cde6021096525ed390cf9b7cde5fedb17a0b16ed31151)),after(2048)),and_v(v:pk(4987f3de20a9b1fa6f76c6758934953a8d615e415f1a656f0f6563694b53107d),after(12228))}})#wufuc530"
```
<!-- #### <u>Payout transaction</u> -->
#### <u>Payout transaction</u>
Once the exchange has been completed or a trader requested escrow the escrow output will be spent again to complete the trade.
The transaction is assembled by the coordinator and shared with the clients for signing. Once the coordinator collected the
necessary information the transaction gets finalized and broadcasted.
**Example transaction**, both traders satisfied, keypath spend using aggregated signature (2-of-2):
```
| --> bought amount + bond -> Buyer
escrow utxo --> | --> bond -> Seller
| --> tx fee
(signed using
agg. sig for
keypath)
```
**Example transaction**, buyer sent fiat and won escrow, seller doesn't cooperate:
```
| --> bought amount + buyer bond + seller bond -> Buyer
escrow utxo --> | --> tx fee
## Trade protocol
WIP
(signed using script path with buyer + coordinator signatures, could also use MuSig)
```
## Implementation
WIP