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doc: Describe reverse adaptor sig protocol.

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tecnovert
2023-07-06 15:13:19 +02:00
parent f6fb11f452
commit be46d8a7bd
19 changed files with 1182 additions and 61 deletions
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79
doc/protocols/sequence_diagrams/ads.rev.bidder.xu Normal file
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xu {
hscale="1.3", wordwraparcs=on;
CB [label=" ", linecolor="transparent"],
N [label="Network", linecolor="#008800", textbgcolor="#CCFFCC", arclinecolor="#008800"],
O [label="Offerer", linecolor="#FF0000", textbgcolor="#FFCCCC", arclinecolor="#FF0000"],
B [label="Bidder", linecolor="#0000FF", textbgcolor="#CCCCFF", arclinecolor="#0000FF"],
C [label=" ", linecolor="transparent"], C2 [label=" ", linecolor="transparent"];
O =>> N [label="Sends Offer"];
N >> B [label="Detects Offer"];
B =>> O [label="Sends BidIntent message"];
B abox B [label="Bid Request sent"];
O box O [label="User accepts bid"];
O =>> B [label="Sends BidIntentAccept message"],
C note C2
[label="The BidAccept message contains the pubkeys the offerer will use and a DLEAG proof one key will work across both chains of the swapping coins",
textbgcolor="#FFFFCC"];
B abox B [label="Bid Receiving accept"];
B =>> O [label="Sends BidAccept message"];
B abox B [label="Bid Accepted"];
O =>> B [label="Sends XmrBidLockTxSigsMessage"],
C note C2
[label="The XmrBidLockTxSigsMessage contains the offerer's signatures for the script-coin-lock-refund and script-coin-lock-refund-spend txns.",
textbgcolor="#FFFFCC"];
B abox B [label="Exchanged script lock tx sigs msg"];
B =>> N [label="Sends script-coin-lock-tx"];
B abox B [label="Bid Script coin spend tx valid"];
B =>> O [label="Sends XmrBidLockSpendTxMessage"],
C note C2
[label="The XmrBidLockSpendTxMessage contains the script-coin-lock-tx and proof the bidder can sign it.",
textbgcolor="#FFFFCC"];
B abox B [label="Exchanged script lock spend tx msg"];
|||;
O => O [label="Wait for script-coin-lock-tx to confirm"], B => B [label="Wait for script-coin-lock-tx to confirm"];
B abox B [label="Bid Script coin locked"];
CB alt C [label="success path"] {
O =>> N [label="Sends noscript-coin-lock-tx"];
|||;
B => B [label="Wait for noscript-coin-lock-tx to confirm"];
B abox B [label="Bid Scriptless coin locked"];
B => O [label="Sends script-coin-lock-tx release message"],
C note C2
[label="The XmrBidLockReleaseMessage contains the bidder's OTVES for the script-coin-lock-tx.
The offerer decodes the bidder's signature from the OTVES.
When the bidder has the plaintext signature, they can decode the offerer's key for the noscript-lock-tx.",
textbgcolor="#FFFFCC"];
B abox B [label="Bid Script coin lock released"];
O =>> N [label="Sends script-coin-lock-spend-tx"];
N >> B [label="Detects script-coin-lock-spend-tx"];
B abox B [label="Bid Script tx redeemed"],
C note C2
[label="The bidder extracts the offerer's plaintext signature and derives the offerer's noscript-lock-tx keyhalf.",
textbgcolor="#FFFFCC"];
B =>> N [label="Sends noscript-coin-lock-spend-tx"];
B abox B [label="Bid Scriptless tx redeemed"];
|||;
B => B [label="Wait for noscript-coin-lock-spend-tx to confirm"];
B abox B [label="Bid Completed"];
--- [label="fail path"];
|||;
B => B [label="Wait for script-coin-lock-tx locktime to expire"];
B =>> N [label="Sends script-coin-lock-pre-refund-tx"],
C note C2
[label="tx can be sent by either party.",
textbgcolor="#FFFFCC"];
N >> B [label="script-coin-lock-pre-refund-tx"];
B abox B [label="Bid Script pre-refund tx in chain"];
|||;
B => B [label="Wait for pre-refund tx to confirm"];
B =>> N [label="Sends script-coin-lock-pre-refund-spend-tx"],
C note C2
[label="Refunds the script lock tx, with the bidder's cleartext signature the offerer can refund the noscript lock tx.",
textbgcolor="#FFFFCC"];
B abox B [label="Bid Failed, refunded"];
};
}