syntax = "proto3";

import "google/api/annotations.proto";

package looprpc;

option go_package = "github.com/lightninglabs/loop/looprpc";

service SwapServer {
    rpc NewLoopOutSwap(ServerLoopOutRequest) returns (ServerLoopOutResponse);
    
    rpc LoopOutQuote(ServerLoopOutQuoteRequest) returns (ServerLoopOutQuote);

    rpc NewLoopInSwap(ServerLoopInRequest) returns (ServerLoopInResponse);

    rpc LoopInQuote(ServerLoopInQuoteRequest) returns (ServerLoopInQuoteResponse);
}

message ServerLoopOutRequest {
    bytes receiver_key = 1;

    bytes swap_hash = 2;

    uint64 amt = 3;
}

message ServerLoopOutResponse {
    string swap_invoice= 1;

    string prepay_invoice = 2;

    bytes sender_key = 3;

    int32 expiry = 4;
}

message ServerLoopOutQuoteRequest {
}

message ServerLoopOutQuote {
    string swap_payment_dest = 1;

    int64 swap_fee_base = 2;

    int64 swap_fee_rate = 3;

    uint64 prepay_amt = 4;

    uint64 min_swap_amount = 5;

    uint64 max_swap_amount = 6;

    int32 cltv_delta = 7;
}

message ServerLoopInRequest {
    bytes sender_key = 1;
    bytes swap_hash = 2;
    uint64 amt = 3;
    string swap_invoice = 4;
}

message ServerLoopInResponse {
    bytes receiver_key = 1;
    int32 expiry = 2;
}

message ServerLoopInQuoteRequest {
}
    
message ServerLoopInQuoteResponse {
    int64 swap_fee_base = 1;
    int64 swap_fee_rate = 2;
    uint64 min_swap_amount = 4;
    uint64 max_swap_amount = 5;
    int32 cltv_delta = 6;
}