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looprpc: fractional amount for static address loop-ins

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The QuoteRequest adds a field auto_select_deposits to signal
that the specified quote amount should be coin-selected from
the client's deposits to determine the number of deposits to
quote for.
The StaticAddressLoopInRequest gets a new amount field that
either indicates that the swap amount should be allocated
from the passed deposits or coin-selected from all available
deposits.
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Slyghtning 2025-02-20 15:40:58 +01:00
parent 22ac716726
commit 4931fb9ccd
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3 changed files with 923 additions and 843 deletions
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1711
looprpc/client.pb.go
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33
looprpc/client.proto
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@ -775,7 +775,10 @@ message OutTermsResponse {
message QuoteRequest {
/*
The amount to swap in satoshis.
The amount to swap in satoshis. In the loop-in case this can either be taken
from the connected lnd wallet or coin-selected from static address deposits.
This is controlled by the select_deposits flag. If deposit_outpoints are
specified, the coins are taken out of that.
*/
int64 amt = 1;
@ -823,8 +826,9 @@ message QuoteRequest {
/*
Static address deposit outpoints that will be quoted for. This option only
pertains to loop in swaps. Either this or the amt parameter can be set at
the same time.
pertains to loop in swaps. If the amt field is set as well the respective
partial amount will be swapped. Cannot be used in conjunction with
auto_select_deposits.
*/
repeated string deposit_outpoints = 8;
@ -833,6 +837,14 @@ message QuoteRequest {
be returned in the specified asset.
*/
AssetLoopOutRequest asset_info = 9;
/*
In the legacy loop-in case this field must be set to false.
If set to true, the swap amount will be automatically selected from the
static address deposits. If set to true, deposit_outpoints must be empty.
This option only pertains to loop in swaps.
*/
bool auto_select_deposits = 10;
}
message InQuoteResponse {
@ -2089,6 +2101,21 @@ message StaticAddressLoopInRequest {
side and the client can retry the swap with different parameters.
*/
uint32 payment_timeout_seconds = 8;
/*
The optional swap amount the client is attempting to swap. It can be
provided in combination with the outpoints or separately. If provided with
outpoints the client takes out this amount from the sum of provided
outpoints and sends the change back to the static address. If the amount is
provided without outpoints, the client will select deposits automatically.
The coin selection strategy is simplified by sorting all available deposits
in descending order by amount, and equal amounts in ascending order of
blocks until expiry, and then selecting the largest deposits first until the
amount is reached. The change will be sent back to the static address. If a
subset of outpoints suffice to cover the specified amount the swap will be
canceled to allow the user to safe on transaction fees.
*/
int64 amount = 9;
}
message StaticAddressLoopInResponse {

22
looprpc/client.swagger.json
View file

@ -211,7 +211,7 @@
"parameters": [
{
"name": "amt",
"description": "The amount to swap in satoshis.",
"description": "The amount to swap in satoshis. In the loop-in case this can either be taken\nfrom the connected lnd wallet or coin-selected from static address deposits.\nThis is controlled by the select_deposits flag. If deposit_outpoints are\nspecified, the coins are taken out of that.",
"in": "path",
"required": true,
"type": "string",
@ -257,7 +257,7 @@
},
{
"name": "deposit_outpoints",
"description": "Static address deposit outpoints that will be quoted for. This option only\npertains to loop in swaps. Either this or the amt parameter can be set at\nthe same time.",
"description": "Static address deposit outpoints that will be quoted for. This option only\npertains to loop in swaps. If the amt field is set as well the respective\npartial amount will be swapped. Cannot be used in conjunction with\nauto_select_deposits.",
"in": "query",
"required": false,
"type": "array",
@ -297,6 +297,13 @@
"required": false,
"type": "string",
"format": "int64"
},
{
"name": "auto_select_deposits",
"description": "In the legacy loop-in case this field must be set to false.\nIf set to true, the swap amount will be automatically selected from the\nstatic address deposits. If set to true, deposit_outpoints must be empty.\nThis option only pertains to loop in swaps.",
"in": "query",
"required": false,
"type": "boolean"
}
],
"tags": [
@ -404,7 +411,7 @@
"parameters": [
{
"name": "amt",
"description": "The amount to swap in satoshis.",
"description": "The amount to swap in satoshis. In the loop-in case this can either be taken\nfrom the connected lnd wallet or coin-selected from static address deposits.\nThis is controlled by the select_deposits flag. If deposit_outpoints are\nspecified, the coins are taken out of that.",
"in": "path",
"required": true,
"type": "string",
@ -450,7 +457,7 @@
},
{
"name": "deposit_outpoints",
"description": "Static address deposit outpoints that will be quoted for. This option only\npertains to loop in swaps. Either this or the amt parameter can be set at\nthe same time.",
"description": "Static address deposit outpoints that will be quoted for. This option only\npertains to loop in swaps. If the amt field is set as well the respective\npartial amount will be swapped. Cannot be used in conjunction with\nauto_select_deposits.",
"in": "query",
"required": false,
"type": "array",
@ -490,6 +497,13 @@
"required": false,
"type": "string",
"format": "int64"
},
{
"name": "auto_select_deposits",
"description": "In the legacy loop-in case this field must be set to false.\nIf set to true, the swap amount will be automatically selected from the\nstatic address deposits. If set to true, deposit_outpoints must be empty.\nThis option only pertains to loop in swaps.",
"in": "query",
"required": false,
"type": "boolean"
}
],
"tags": [