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delphi.market
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Merge branch 'htmx-templ-rewrite' into develop

This commit is contained in:
ekzyis 2024-08-24 22:09:46 -05:00
parent d40cd1b8d9 845157c954
commit 3d1251cd4a
153 changed files with 13114 additions and 9967 deletions
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6
.gitignore vendored
View File

@ -7,3 +7,9 @@ delphi.market
# required for hot reload
public/hotreload
*.log
# templ
*_templ.go
# tailwindcss
public/css/tailwind.css

9
Makefile
View File

@ -1,14 +1,21 @@
.PHONY: build run test
SOURCE := $(shell find db env lib lnd pages public server -type f) main.go
SOURCE := $(shell find db env lib lnd public server -type f) main.go
build: delphi.market
delphi.market: $(SOURCE)
tailwindcss -i public/css/_tw-input.css -o public/css/tailwind.css
templ generate -path server/router/pages
go build -o delphi.market .
run:
tailwindcss -i public/css/_tw-input.css -o public/css/tailwind.css
templ generate -path server/router/pages
go run .
dev:
bash hotreload.sh
test:
go test -v -count=1 ./server/router/handler/...

6
db/db.go
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@ -13,7 +13,7 @@ type DB struct {
}
var (
initSqlPath = "./db/init.sql"
schemaPath = "./db/schema.sql"
)
func New(dbUrl string) (*DB, error) {
@ -42,7 +42,7 @@ func (db *DB) Reset(dbName string) error {
if err = db.Clear(dbName); err != nil {
return err
}
if f, err = ioutil.ReadFile(initSqlPath); err != nil {
if f, err = ioutil.ReadFile(schemaPath); err != nil {
return err
}
if _, err = db.Exec(string(f)); err != nil {
@ -53,7 +53,7 @@ func (db *DB) Reset(dbName string) error {
func (db *DB) Clear(dbName string) error {
var (
tables = []string{"lnauth", "users", "sessions", "markets", "shares", "invoices", "order_side", "orders", "matches"}
tables = []string{"lnauth", "users", "sessions", "invoices", "markets", "shares", "invoices", "order_side", "orders", "withdrawals"}
sql []string
err error
)

68
db/init.sql
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@ -1,67 +1 @@
CREATE TABLE lnauth(
k1 VARCHAR(64) NOT NULL PRIMARY KEY,
lnurl TEXT NOT NULL,
created TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
session_id VARCHAR(48) NOT NULL DEFAULT encode(gen_random_uuid()::text::bytea, 'base64')
);
CREATE TABLE users(
pubkey TEXT PRIMARY KEY,
last_seen TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
msats BIGINT NOT NULL DEFAULT 0
);
CREATE TABLE sessions(
pubkey TEXT NOT NULL REFERENCES users(pubkey),
session_id VARCHAR(48)
);
CREATE TABLE invoices(
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
pubkey TEXT NOT NULL REFERENCES users(pubkey),
msats BIGINT NOT NULL,
msats_received BIGINT,
preimage TEXT NOT NULL UNIQUE,
hash TEXT NOT NULL UNIQUE,
bolt11 TEXT NOT NULL,
created_at TIMESTAMP WITH TIME ZONE NOT NULL,
expires_at TIMESTAMP WITH TIME ZONE NOT NULL,
confirmed_at TIMESTAMP WITH TIME ZONE,
held_since TIMESTAMP WITH TIME ZONE,
description TEXT
);
CREATE TABLE markets(
id SERIAL PRIMARY KEY,
description TEXT NOT NULL,
end_date TIMESTAMP WITH TIME ZONE NOT NULL,
settled_at TIMESTAMP WITH TIME ZONE,
pubkey TEXT NOT NULL REFERENCES users(pubkey),
invoice_id UUID NOT NULL UNIQUE REFERENCES invoices(id)
);
CREATE EXTENSION "uuid-ossp";
CREATE TABLE shares(
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
market_id INTEGER NOT NULL REFERENCES markets(id),
win BOOLEAN,
description TEXT NOT NULL
);
CREATE TYPE order_side AS ENUM ('BUY', 'SELL');
CREATE TABLE orders(
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE,
share_id UUID NOT NULL REFERENCES shares(id),
pubkey TEXT NOT NULL REFERENCES users(pubkey),
side ORDER_SIDE NOT NULL,
quantity BIGINT NOT NULL,
price BIGINT NOT NULL,
invoice_id UUID REFERENCES invoices(id),
order_id UUID REFERENCES orders(id)
);
ALTER TABLE orders ADD CONSTRAINT order_price CHECK(price > 0 AND price < 100);
ALTER TABLE orders ADD CONSTRAINT order_quantity CHECK(quantity > 0);
CREATE TABLE withdrawals(
id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE,
pubkey TEXT NOT NULL REFERENCES users(pubkey),
bolt11 TEXT NOT NULL UNIQUE,
paid_at TIMESTAMP WITH TIME ZONE
);
CREATE DATABASE "delphi_test";

106
db/invoice.go
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@ -1,106 +0,0 @@
package db
import (
"context"
"database/sql"
"time"
)
func (db *DB) CreateInvoice(tx *sql.Tx, ctx context.Context, invoice *Invoice) error {
if err := tx.QueryRowContext(ctx, ""+
"INSERT INTO invoices(pubkey, msats, preimage, hash, bolt11, created_at, expires_at, description) "+
"VALUES($1, $2, $3, $4, $5, $6, $7, $8) "+
"RETURNING id",
invoice.Pubkey, invoice.Msats, invoice.Preimage, invoice.Hash, invoice.PaymentRequest, invoice.CreatedAt, invoice.ExpiresAt, invoice.Description).Scan(&invoice.Id); err != nil {
return err
}
return nil
}
type FetchInvoiceWhere struct {
Id string
Hash string
}
func (db *DB) FetchInvoice(where *FetchInvoiceWhere, invoice *Invoice) error {
var (
query = "SELECT id, pubkey, msats, preimage, hash, bolt11, created_at, expires_at, confirmed_at, held_since, COALESCE(description, '') FROM invoices "
args []any
)
if where.Id != "" {
query += "WHERE id = $1"
args = append(args, where.Id)
} else if where.Hash != "" {
query += "WHERE hash = $1"
args = append(args, where.Hash)
}
if err := db.QueryRow(query, args...).Scan(
&invoice.Id, &invoice.Pubkey, &invoice.Msats, &invoice.Preimage, &invoice.Hash,
&invoice.PaymentRequest, &invoice.CreatedAt, &invoice.ExpiresAt, &invoice.ConfirmedAt, &invoice.HeldSince, &invoice.Description); err != nil {
return err
}
return nil
}
type FetchInvoicesWhere struct {
Unconfirmed bool
}
func (db *DB) FetchInvoices(where *FetchInvoicesWhere, invoices *[]Invoice) error {
var (
rows *sql.Rows
invoice Invoice
err error
)
var (
query = "SELECT id, pubkey, msats, preimage, hash, bolt11, created_at, expires_at, confirmed_at, held_since, COALESCE(description, '') FROM invoices "
)
if where.Unconfirmed {
query += "WHERE confirmed_at IS NULL"
}
if rows, err = db.Query(query); err != nil {
return err
}
defer rows.Close()
for rows.Next() {
rows.Scan(
&invoice.Id, &invoice.Pubkey, &invoice.Msats, &invoice.Preimage, &invoice.Hash,
&invoice.PaymentRequest, &invoice.CreatedAt, &invoice.ExpiresAt, &invoice.ConfirmedAt, &invoice.HeldSince, &invoice.Description)
*invoices = append(*invoices, invoice)
}
return nil
}
func (db *DB) FetchUserInvoices(pubkey string, invoices *[]Invoice) error {
var (
rows *sql.Rows
invoice Invoice
err error
)
var (
query = "" +
"SELECT id, pubkey, msats, preimage, hash, bolt11, created_at, expires_at, confirmed_at, held_since, COALESCE(description, ''), " +
"CASE WHEN confirmed_at IS NOT NULL THEN 'PAID' WHEN expires_at < CURRENT_TIMESTAMP THEN 'EXPIRED' ELSE 'PENDING' END AS status " +
"FROM invoices " +
"WHERE pubkey = $1 " +
"ORDER BY created_at DESC"
)
if rows, err = db.Query(query, pubkey); err != nil {
return err
}
defer rows.Close()
for rows.Next() {
rows.Scan(
&invoice.Id, &invoice.Pubkey, &invoice.Msats, &invoice.Preimage, &invoice.Hash,
&invoice.PaymentRequest, &invoice.CreatedAt, &invoice.ExpiresAt, &invoice.ConfirmedAt, &invoice.HeldSince, &invoice.Description, &invoice.Status)
*invoices = append(*invoices, invoice)
}
return nil
}
func (db *DB) ConfirmInvoice(tx *sql.Tx, c context.Context, hash string, confirmedAt time.Time, msatsReceived int) error {
if _, err := tx.ExecContext(c, "UPDATE invoices SET confirmed_at = $2, msats_received = $3 WHERE hash = $1", hash, confirmedAt, msatsReceived); err != nil {
return err
}
return nil
}

18
db/lnauth.go
View File

@ -1,18 +0,0 @@
package db
func (db *DB) CreateLNAuth(lnAuth *LNAuth) error {
err := db.QueryRow(
"INSERT INTO lnauth(k1, lnurl) VALUES($1, $2) RETURNING session_id",
lnAuth.K1, lnAuth.LNURL).Scan(&lnAuth.SessionId)
return err
}
func (db *DB) FetchSessionId(k1 string, sessionId *string) error {
err := db.QueryRow("SELECT session_id FROM lnauth WHERE k1 = $1", k1).Scan(sessionId)
return err
}
func (db *DB) DeleteLNAuth(lnAuth *LNAuth) error {
_, err := db.Exec("DELETE FROM lnauth WHERE k1 = $1", lnAuth.K1)
return err
}

353
db/market.go
View File

@ -1,353 +0,0 @@
package db
import (
"context"
"database/sql"
"log"
"time"
)
type FetchOrdersWhere struct {
MarketId int
Pubkey string
Confirmed bool
}
func (db *DB) CreateMarket(tx *sql.Tx, ctx context.Context, market *Market) error {
if err := tx.QueryRowContext(ctx, ""+
"INSERT INTO markets(description, end_date, pubkey, invoice_id) "+
"VALUES($1, $2, $3, $4) "+
"RETURNING id", market.Description, market.EndDate, market.Pubkey, market.InvoiceId).Scan(&market.Id); err != nil {
return err
}
// For now, we only support binary markets.
if _, err := tx.Exec("INSERT INTO shares(market_id, description) VALUES ($1, 'YES'), ($1, 'NO')", market.Id); err != nil {
return err
}
return nil
}
func (db *DB) FetchMarket(marketId int, market *Market) error {
if err := db.QueryRow("SELECT id, description, end_date, pubkey, settled_at FROM markets WHERE id = $1", marketId).Scan(&market.Id, &market.Description, &market.EndDate, &market.Pubkey, &market.SettledAt); err != nil {
return err
}
return nil
}
func (db *DB) FetchActiveMarkets(markets *[]Market) error {
var (
rows *sql.Rows
market Market
err error
)
if rows, err = db.Query("" +
"SELECT m.id, m.description, m.end_date FROM markets m " +
"JOIN invoices i ON i.id = m.invoice_id WHERE i.confirmed_at IS NOT NULL"); err != nil {
return err
}
defer rows.Close()
for rows.Next() {
rows.Scan(&market.Id, &market.Description, &market.EndDate)
*markets = append(*markets, market)
}
return nil
}
func (db *DB) FetchShares(marketId int, shares *[]Share) error {
rows, err := db.Query("SELECT id, market_id, description, win FROM shares WHERE market_id = $1 ORDER BY description DESC", marketId)
if err != nil {
return err
}
defer rows.Close()
for rows.Next() {
var share Share
rows.Scan(&share.Id, &share.MarketId, &share.Description, &share.Win)
*shares = append(*shares, share)
}
return nil
}
func (db *DB) FetchShare(tx *sql.Tx, ctx context.Context, shareId string, share *Share) error {
return tx.QueryRowContext(ctx, "SELECT id, market_id, description FROM shares WHERE id = $1", shareId).Scan(&share.Id, &share.MarketId, &share.Description)
}
func (db *DB) FetchOrders(where *FetchOrdersWhere, orders *[]Order) error {
query := "" +
"SELECT o.id, share_id, o.pubkey, o.side, o.quantity, o.price, o.invoice_id, o.created_at, o.deleted_at, s.description, s.market_id, i.confirmed_at " +
"FROM orders o " +
"JOIN invoices i ON o.invoice_id = i.id " +
"JOIN shares s ON o.share_id = s.id " +
"WHERE o.deleted_at IS NULL "
var args []any
if where.MarketId > 0 {
query += "AND share_id = ANY(SELECT id FROM shares WHERE market_id = $1) "
args = append(args, where.MarketId)
} else if where.Pubkey != "" {
query += "AND o.pubkey = $1 "
args = append(args, where.Pubkey)
}
if where.Confirmed {
query += "AND o.order_id IS NOT NULL "
}
query += "AND (i.confirmed_at IS NOT NULL OR i.expires_at > CURRENT_TIMESTAMP) "
query += "ORDER BY price DESC"
rows, err := db.Query(query, args...)
if err != nil {
return err
}
defer rows.Close()
for rows.Next() {
var order Order
rows.Scan(&order.Id, &order.ShareId, &order.Pubkey, &order.Side, &order.Quantity, &order.Price, &order.InvoiceId, &order.CreatedAt, &order.DeletedAt, &order.Share.Description, &order.Share.MarketId, &order.Invoice.ConfirmedAt)
*orders = append(*orders, order)
}
return nil
}
func (db *DB) CreateOrder(tx *sql.Tx, ctx context.Context, order *Order) error {
if _, err := tx.ExecContext(ctx, ""+
"INSERT INTO orders(share_id, pubkey, side, quantity, price, invoice_id) "+
"VALUES ($1, $2, $3, $4, $5, CASE WHEN $6 = '' THEN NULL ELSE $6::UUID END)",
order.ShareId, order.Pubkey, order.Side, order.Quantity, order.Price, order.InvoiceId.String); err != nil {
return err
}
return nil
}
func (db *DB) FetchOrder(tx *sql.Tx, ctx context.Context, orderId string, order *Order) error {
query := "" +
"SELECT o.id, o.share_id, o.pubkey, o.side, o.quantity, o.price, o.created_at, o.deleted_at, o.order_id, s.description, s.market_id, i.confirmed_at, o.invoice_id, COALESCE(i.msats_received, 0) " +
"FROM orders o " +
"LEFT JOIN invoices i ON o.invoice_id = i.id " +
"JOIN shares s ON o.share_id = s.id " +
"WHERE o.id = $1"
return tx.QueryRowContext(ctx, query, orderId).Scan(&order.Id, &order.ShareId, &order.Pubkey, &order.Side, &order.Quantity, &order.Price, &order.CreatedAt, &order.DeletedAt, &order.OrderId, &order.Share.Description, &order.MarketId, &order.Invoice.ConfirmedAt, &order.InvoiceId, &order.Invoice.MsatsReceived)
}
func (db *DB) FetchUserOrders(pubkey string, orders *[]Order) error {
query := "" +
"SELECT o.id, share_id, o.pubkey, o.side, o.quantity, o.price, o.created_at, o.deleted_at, s.description, s.market_id, i.confirmed_at, " +
"CASE WHEN o.order_id IS NOT NULL THEN 'EXECUTED' WHEN o.deleted_at IS NOT NULL THEN 'CANCELED' ELSE 'PENDING' END AS status, o.order_id, o.invoice_id " +
"FROM orders o " +
"LEFT JOIN invoices i ON o.invoice_id = i.id " +
"JOIN shares s ON o.share_id = s.id " +
"WHERE o.pubkey = $1 AND ( (o.side = 'BUY' AND i.confirmed_at IS NOT NULL) OR o.side = 'SELL' ) " +
"ORDER BY o.created_at DESC"
rows, err := db.Query(query, pubkey)
if err != nil {
return err
}
defer rows.Close()
for rows.Next() {
var order Order
rows.Scan(&order.Id, &order.ShareId, &order.Pubkey, &order.Side, &order.Quantity, &order.Price, &order.CreatedAt, &order.DeletedAt, &order.ShareDescription, &order.Share.MarketId, &order.Invoice.ConfirmedAt, &order.Status, &order.OrderId, &order.InvoiceId)
*orders = append(*orders, order)
}
return nil
}
func (db *DB) FetchMarketOrders(marketId int64, orders *[]Order) error {
query := "" +
"SELECT o.id, share_id, o.pubkey, o.side, o.quantity, o.price, o.created_at, s.description, s.market_id, " +
"CASE WHEN o.order_id IS NOT NULL THEN 'EXECUTED' ELSE 'PENDING' END AS status, o.order_id, o.invoice_id " +
"FROM orders o " +
"JOIN shares s ON o.share_id = s.id " +
"LEFT JOIN invoices i ON o.invoice_id = i.id " +
"WHERE s.market_id = $1 AND o.deleted_at IS NULL AND ( (o.side = 'BUY' AND i.confirmed_at IS NOT NULL) OR o.side = 'SELL' ) " +
"ORDER BY o.created_at DESC"
rows, err := db.Query(query, marketId)
if err != nil {
return err
}
defer rows.Close()
for rows.Next() {
var order Order
rows.Scan(&order.Id, &order.ShareId, &order.Pubkey, &order.Side, &order.Quantity, &order.Price, &order.CreatedAt, &order.ShareDescription, &order.Share.MarketId, &order.Status, &order.OrderId, &order.InvoiceId)
*orders = append(*orders, order)
}
return nil
}
func (db *DB) RunMatchmaking(orderId string) {
var (
ctx context.Context
cancel context.CancelFunc
tx *sql.Tx
o1 Order
o2 Order
err error
)
ctx, cancel = context.WithTimeout(context.TODO(), 10*time.Second)
defer cancel()
if tx, err = db.BeginTx(ctx, nil); err != nil {
log.Println(err)
return
}
// TODO: assert that order was confirmed
if err = db.FetchOrder(tx, ctx, orderId, &o1); err != nil {
log.Println(err)
tx.Rollback()
return
}
if err = db.FindOrderMatches(tx, ctx, &o1, &o2); err != nil {
log.Println(err)
tx.Rollback()
return
}
if o2.OrderId.Valid {
log.Printf("assertion failed: order %s matched order %s but order_id already set to %s\n", o1.Id, o2.Id, o2.OrderId.String)
tx.Rollback()
return
}
if o1.Id == o2.Id {
log.Printf("assertion failed: order %s matched itself", o1.Id)
tx.Rollback()
return
}
if err = db.MatchOrders(tx, ctx, &o1, &o2); err != nil {
log.Println(err)
tx.Rollback()
return
}
tx.Commit()
}
func (db *DB) FindOrderMatches(tx *sql.Tx, ctx context.Context, o1 *Order, o2 *Order) error {
query := "" +
"SELECT o.id, o.order_id, o.side, o.quantity, o.price, o.pubkey FROM orders o " +
"JOIN shares s ON s.id = o.share_id " +
"LEFT JOIN invoices i ON i.id = o.invoice_id " +
// only match orders which are not soft deleted
"WHERE o.deleted_at IS NULL " +
// only match orders which are not already settled
"AND o.order_id IS NULL " +
// only match orders from other users
"AND o.pubkey <> $1 " +
// orders must always be for same market and have same quantity
"AND o.quantity = $2 AND s.market_id = $3 " +
// BUY orders must have been confirmed by paying the invoice
"AND CASE WHEN o.side = 'BUY' THEN i.confirmed_at IS NOT NULL ELSE 1=1 END " +
"AND (" +
// -- BUY orders match if they are for different shares and the sum of their prices equal 100
// -- example: BUY 5 YES @ 60 <> BUY 5 NO @ 40
" ( $5 = 'BUY' AND o.side = 'BUY' AND o.price = (100-$6) AND o.share_id <> $4 ) " +
// -- BUY orders match SELL orders if they are for the same share and have same price
// -- example: BUY 5 YES @ 60 <> SELL 5 YES @ 60
" OR ( $5 = 'BUY' AND o.side = 'SELL' AND o.price = $6 AND o.share_id = $4 ) " +
// -- SELL orders match BUY orders if they are for the same share and have same price
// -- example: SELL 5 YES @ 60 <> BUY 5 YES @ 60
" OR ( $5 = 'SELL' AND o.side = 'BUY' AND o.price = $6 AND o.share_id = $4 ) " +
") " +
// match oldest order first
"ORDER BY o.created_at ASC LIMIT 1"
return tx.QueryRowContext(ctx, query, o1.Pubkey, o1.Quantity, o1.Share.MarketId, o1.ShareId, o1.Side, o1.Price).Scan(&o2.Id, &o2.OrderId, &o2.Side, &o2.Quantity, &o2.Price, &o2.Pubkey)
}
func (db *DB) MatchOrders(tx *sql.Tx, ctx context.Context, o1 *Order, o2 *Order) error {
var err error
if _, err = tx.ExecContext(ctx, "UPDATE orders SET order_id = $1 WHERE id = $2", o1.Id, o2.Id); err != nil {
tx.Rollback()
return err
}
if _, err = tx.ExecContext(ctx, "UPDATE orders SET order_id = $1 WHERE id = $2", o2.Id, o1.Id); err != nil {
tx.Rollback()
return err
}
if o1.Side == "SELL" {
if _, err = tx.ExecContext(ctx, "UPDATE users SET msats = msats + $1 WHERE pubkey = $2", (o1.Price*o1.Quantity)*1000, o1.Pubkey); err != nil {
tx.Rollback()
return err
}
}
if o2.Side == "SELL" {
if _, err = tx.ExecContext(ctx, "UPDATE users SET msats = msats + $1 WHERE pubkey = $2", (o2.Price*o2.Quantity)*1000, o2.Pubkey); err != nil {
tx.Rollback()
return err
}
}
log.Printf("Matched orders: %s <> %s\n", o1.Id, o2.Id)
return nil
}
// [
//
// { "x": <timestamp>, "y": { <share_description>: <score>, ... } },
//
// ]
type MarketStat struct {
X time.Time `json:"x"`
Y map[string]int `json:"y"`
}
type MarketStats = []MarketStat
func (db *DB) FetchMarketStats(marketId int64, stats *MarketStats) error {
query := "" +
"SELECT " +
"s.description, " +
"GREATEST(i.confirmed_at, i2.confirmed_at) AS confirmed_at, " +
"SUM(o.price * o.quantity) OVER (PARTITION BY o.share_id ORDER BY o.created_at ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS score " +
"FROM orders o " +
"JOIN orders o2 ON o2.id = o.order_id " +
"JOIN shares s ON s.id = o.share_id " +
"JOIN invoices i ON i.id = o.invoice_id " +
"JOIN invoices i2 ON i2.id = o2.invoice_id " +
"WHERE s.market_id = $1 AND i.confirmed_at IS NOT NULL AND o.order_id IS NOT NULL ORDER BY i.confirmed_at ASC"
rows, err := db.Query(query, marketId)
if err != nil {
return err
}
defer rows.Close()
for rows.Next() {
var stat MarketStat
var (
timestamp time.Time
description string
score int
)
rows.Scan(&description, &timestamp, &score)
stat.X = timestamp
stat.Y = map[string]int{
description: score,
}
*stats = append(*stats, stat)
}
return nil
}
func (db *DB) FetchUserBalance(tx *sql.Tx, ctx context.Context, marketId int, pubkey string, balance *map[string]any) error {
query := "" +
"SELECT s.description, " +
"SUM(CASE WHEN o.side = 'BUY' THEN o.quantity ELSE -o.quantity END) " +
"FROM orders o " +
"LEFT JOIN invoices i ON i.id = o.invoice_id " +
"JOIN shares s ON s.id = o.share_id " +
"WHERE o.pubkey = $1 AND s.market_id = $2 " +
// ignore canceled orders
"AND o.deleted_at IS NULL " +
"AND ( " +
// shares from BUY orders are received if they were paid (necessary precondition for matchmaking) and found a matching order
" (o.side = 'BUY' AND i.confirmed_at IS NOT NULL AND o.order_id IS NOT NULL) " +
// shares from SELL orders are deducted immediately to prevent double-spends
" OR o.side = 'SELL' " +
") " +
"GROUP BY o.pubkey, s.description"
rows, err := tx.QueryContext(ctx, query, pubkey, marketId)
if err != nil {
return err
}
defer rows.Close()
for rows.Next() {
var (
sdesc string
val int
)
if err = rows.Scan(&sdesc, &val); err != nil {
return err
}
(*balance)[sdesc] = val
}
return nil
}

80
db/schema.sql Normal file
View File

@ -0,0 +1,80 @@
CREATE TABLE users(
id SERIAL PRIMARY KEY,
name TEXT UNIQUE NOT NULL DEFAULT LEFT(md5(random()::text), 8),
created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
ln_pubkey TEXT UNIQUE,
nostr_pubkey TEXT UNIQUE,
msats BIGINT NOT NULL DEFAULT 0
);
CREATE TABLE sessions(
id VARCHAR(48) PRIMARY KEY,
user_id INTEGER NOT NULL REFERENCES users(id),
created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE lnauth(
k1 VARCHAR(64) PRIMARY KEY,
created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
lnurl TEXT NOT NULL,
session_id VARCHAR(48) NOT NULL DEFAULT encode(gen_random_uuid()::text::bytea, 'base64')
);
CREATE TABLE invoices(
id SERIAL PRIMARY KEY,
user_id INTEGER NOT NULL REFERENCES users(id),
msats BIGINT NOT NULL,
msats_received BIGINT,
hash TEXT NOT NULL UNIQUE,
bolt11 TEXT NOT NULL,
created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
expires_at TIMESTAMP WITH TIME ZONE NOT NULL,
confirmed_at TIMESTAMP WITH TIME ZONE,
held_since TIMESTAMP WITH TIME ZONE,
description TEXT
);
CREATE TABLE markets(
id SERIAL PRIMARY KEY,
created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
question TEXT NOT NULL,
description TEXT,
end_date TIMESTAMP WITH TIME ZONE NOT NULL,
settled_at TIMESTAMP WITH TIME ZONE,
user_id INTEGER NOT NULL REFERENCES users(id),
invoice_id INTEGER NOT NULL UNIQUE REFERENCES invoices(id)
);
CREATE TABLE shares(
id SERIAL PRIMARY KEY,
market_id INTEGER NOT NULL REFERENCES markets(id),
description TEXT NOT NULL,
win BOOLEAN
);
CREATE TYPE order_side AS ENUM ('BUY', 'SELL');
CREATE TABLE orders(
id SERIAL PRIMARY KEY,
created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
deleted_at TIMESTAMP WITH TIME ZONE,
share_id INTEGER NOT NULL REFERENCES shares(id),
user_id INTEGER NOT NULL REFERENCES users(id),
side ORDER_SIDE NOT NULL,
quantity BIGINT NOT NULL,
price BIGINT NOT NULL,
invoice_id INTEGER REFERENCES invoices(id),
order_id INTEGER REFERENCES orders(id)
);
ALTER TABLE orders ADD CONSTRAINT order_price CHECK(price > 0 AND price < 100);
ALTER TABLE orders ADD CONSTRAINT order_quantity CHECK(quantity > 0);
CREATE TABLE withdrawals(
id SERIAL PRIMARY KEY,
created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
canceled_at TIMESTAMP WITH TIME ZONE,
user_id INTEGER NOT NULL REFERENCES users(id),
bolt11 TEXT NOT NULL UNIQUE,
paid_at TIMESTAMP WITH TIME ZONE
);

17
db/session.go
View File

@ -1,17 +0,0 @@
package db
func (db *DB) CreateSession(s *Session) error {
_, err := db.Exec("INSERT INTO sessions(pubkey, session_id) VALUES($1, $2)", s.Pubkey, s.SessionId)
return err
}
func (db *DB) FetchSession(s *Session) error {
query := "SELECT u.pubkey, u.msats FROM sessions s LEFT JOIN users u ON u.pubkey = s.pubkey WHERE session_id = $1"
err := db.QueryRow(query, s.SessionId).Scan(&s.Pubkey, &s.Msats)
return err
}
func (db *DB) DeleteSession(s *Session) error {
_, err := db.Exec("DELETE FROM sessions where session_id = $1", s.SessionId)
return err
}

80
db/types.go
View File

@ -1,80 +0,0 @@
package db
import (
"time"
"gopkg.in/guregu/null.v4"
)
type (
Serial = int
UUID = string
LNAuth struct {
K1 string
LNURL string
CreatedAt time.Time
SessionId string
}
User struct {
Pubkey string
Msats int64
LastSeen time.Time
}
Session struct {
Pubkey string
Msats int64
SessionId string
}
Market struct {
Id Serial `json:"id"`
Description string `json:"description"`
EndDate time.Time `json:"endDate"`
SettledAt null.Time `json:"settledAt"`
Pubkey string `json:"pubkey"`
InvoiceId UUID
}
Share struct {
Id UUID `json:"sid"`
MarketId int
Description string
Win bool
}
Invoice struct {
Id UUID
Pubkey string
Msats int64
MsatsReceived int64
Preimage string
Hash string
PaymentRequest string
CreatedAt time.Time
ExpiresAt time.Time
ConfirmedAt null.Time
HeldSince null.Time
Description string
Status string
}
Order struct {
Id UUID
CreatedAt time.Time
DeletedAt null.Time
ShareId string `json:"sid"`
ShareDescription string
Share
Pubkey string
Side string `json:"side"`
Quantity int64 `json:"quantity"`
Price int64 `json:"price"`
InvoiceId null.String
Invoice
OrderId null.String
}
Withdrawal struct {
Id UUID
CreatedAt time.Time
DeletedAt null.Time
Pubkey string
Bolt11 string `json:"bolt11"`
PaidAt null.Time
}
)

17
db/user.go
View File

@ -1,17 +0,0 @@
package db
func (db *DB) CreateUser(u *User) error {
_, err := db.Exec(
"INSERT INTO users(pubkey) VALUES ($1) ON CONFLICT(pubkey) DO UPDATE SET last_seen = CURRENT_TIMESTAMP",
u.Pubkey)
return err
}
func (db *DB) FetchUser(pubkey string, u *User) error {
return db.QueryRow("SELECT pubkey, last_seen FROM users WHERE pubkey = $1", pubkey).Scan(&u.Pubkey, &u.LastSeen)
}
func (db *DB) UpdateUser(u *User) error {
_, err := db.Exec("UPDATE users SET last_seen = $1 WHERE pubkey = $2", u.LastSeen, u.Pubkey)
return err
}

13
db/withdrawal.go
View File

@ -1,13 +0,0 @@
package db
import (
"context"
"database/sql"
)
func (db *DB) CreateWithdrawal(tx *sql.Tx, c context.Context, w *Withdrawal) error {
if _, err := tx.ExecContext(c, "INSERT INTO withdrawals(pubkey, bolt11) VALUES ($1, $2)", w.Pubkey, w.Bolt11); err != nil {
return err
}
return nil
}

3
docker-compose.yml
View File

@ -12,7 +12,8 @@ services:
- 127.0.0.1:5432:5432
volumes:
- delphi:/var/lib/postgresql/data
- ./init.sql:/docker-entrypoint-initdb.d/init.sql
- ./db/init.sql:/docker-entrypoint-initdb.d/init.sql
- ./db/schema.sql:/docker-entrypoint-initdb.d/schema.sql
- ./postgresql.conf:/var/lib/postgresql/data/postgresql.conf # for some reason this can't be mounted on first run
volumes:

512
fonts/chunky.flf Normal file
View File

@ -0,0 +1,512 @@
flf2a$ 5 4 20 15 1
Square by Chris Gill, 30-JUN-94 -- based on .sig of Jeb Hagan.
$@
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@
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@
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| __ \@
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| |____/@
|__| @@

569
fonts/drpepper.flf Normal file
View File

@ -0,0 +1,569 @@
flf2a$ 5 4 20 0 16
Font : Dr. Pepper (after a name in one sig done in this style).
Author: Eero Tamminen, t150315@cc.tut.fi.
Characters '#' and '&' are lousy and I'm not very satisfied
with the '$' or 't'... Suggestions?
Explanation of first line:
flf2 - "magic number" for file identifiction
a - should always be `a', for now
$ - the "hardblank" -- prints s a blank, but can't be smushed
5 - height of a character
4 - height of a character, not including descenders
20 - max line length (excluding comment lines) + fudge factor
0 - default smushmode for this font
16 - number of comment lines
$@
$@
$@
$@
$@@
_ @
| |@
|_/@
<_>@
@@
_ _@
|/|/@
@
@
@@
@
$_|_|_$@
$_|_|_$@
| | @
@@
@
||_@
<_-<@
/__/@
|| @@
__@
<>/ /@
/ / @
/_/<>@
@@
_ @
< > @
/.\/$@
\_/\$@
@@
_@
|/@
@
@
@@
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/ /@
| | @
| | @
\_\@@
__ @
\ \ @
| |@
| |@
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@
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> <@
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@@
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@@
@
@
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@
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| __|@
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|___/@
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@@
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| . |@
| | |@
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@@
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| | |@
| ' |@
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@@
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@@
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/ . \@
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@@
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| | |@
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@@
___ @
| . >@
| . \@
| ._/@
|_| @@
196
<>_<>@
| . |@
| |@
|_|_|@
@@
214
<>_<>@
| . |@
| | |@
`___'@
@@
220
<>_<>@
| | |@
| ' |@
`___'@
@@
223
___ @
| . >@
| . \@
| ._/@
|_| @@
228
@
<>_<>@
`_> |@
<___|@
@@
246
@
<>_<>@
/ . \@
\___/@
@@
252
@
<>_<>@
| | |@
`___|@
@@

617
fonts/graffiti.flf Normal file
View File

@ -0,0 +1,617 @@
flf2a$ 6 5 32 15 4
Font name is graffiti.flf
This figlet font designed by Leigh Purdie (purdie@zeus.usq.edu.au)
'fig-fonted' by Leigh Purdie and Tim Maggio (tim@claremont.com)
Date: 5 Mar 1994
$@
$@
$@
$@
$@
$@@
._.@
| |@
| |@
\|@
__@
\/@@
/\/\@
)/)/@
@
@
@
@@
_ _ @
__| || |__@
\ __ /@
| || | @
/_ ~~ _\@
|_||_| @@
____/\__@
/ / /_/@
\__/ / \ @
/ / / \@
/_/ /__ /@
\/ \/ @@
_ /\ @
/ \ / / @
\_// /_ @
/ // \@
/ / \_/@
\/ @@
____ @
/ _ \ @
> _ </\@
/ <_\ \/@
\_____\ \@
\/@@
/\@
)/@
@
@
@
@@
$ ___$@
$ / /$@
$ / / $@
$( ( $@
$ \ \ $@
$ \__\$@@
$___ $@
$\ \ $@
$ \ \ $@
$ ) )$@
$ / / $@
$/__/ $@@
$ $@
$ /\|\/\ $@
$_) (__$@
$\_ _/$@
$ ) \ $@
$ \/\|\/ $@@
$ $@
$ .__ $@
$ __| |___$@
$/__ __/$@
$ |__| $@
$ $@@
$ @
$ @
$ @
$ @
$/\@
$)/@@
$ $@
$ $@
$ ______$@
$/_____/$@
$ $@
$ $@@
$ @
$ @
$ @
$ @
$/\@
$\/@@
$ /\$@
$ / /$@
$ / / $@
$ / / $@
$/ / $@
$\/ $@@
_______ @
\ _ \ @
/ /_\ \ @
\ \_/ \@
\_____ /@
\/ @@
____ @
/_ |@
| |@
| |@
|___|@
@@
________ @
\_____ \ @
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$ $@
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/ | |@
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/ ______|@
\/ @@
__________@
\____ /@
/ / @
/ /_ @
/_______ \@
\/@@
$.____ $@
$| _|$@
$| | $@
$| | $@
$| |_ $@
$|____|$@@
/\ @
\ \ @
\ \ @
\ \ @
\ \@
\/@@
$ ____.$@
$|_ |$@
$ | |$@
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$ /\ $@
$/ \$@
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$ $@
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$ $@@
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\ \___ @
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/ __ | @
/ /_/ | @
\____ | @
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@
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/ ___\ @
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\___ / @
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| | __@
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\ \/ /@
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< | |@
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/ ____|@
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@
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\___ /@
/ / @
/_____ \@
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$ ___$@
$/ / $@
$\ \ $@
$< < $@
$/ / $@
$\_\_$@@
$._.$@
$| |$@
$|_|$@
$|-|$@
$| |$@
$|_|$@@
$___ $@
$ \ \$@
$ / /$@
$ > >$@
$ \ \$@
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$ ___ $@
$/ _ \_/\$@
$\/ \___/$@
$ $@
$ $@
$ $@@
@
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@@

614
fonts/rectangles.flf Normal file
View File

@ -0,0 +1,614 @@
flf2a$ 6 5 15 1 1
rectangles.flf by David Villegas <mnementh@netcom.com> 12/94
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| ___|@
|_| @@

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54
go.mod
View File

@ -1,35 +1,38 @@
module git.ekzyis.com/ekzyis/delphi.market
go 1.20
go 1.21
toolchain go1.22.4
replace git.schwanenlied.me/yawning/bsaes.git v0.0.0-20180720073208-c0276d75487e => gitlab.com/yawning/bsaes.git v0.0.0-20180720073208-c0276d75487e
require (
github.com/a-h/templ v0.2.747
github.com/btcsuite/btcd/btcec/v2 v2.3.2
github.com/btcsuite/btcd/btcutil v1.1.3
github.com/btcsuite/btcutil v1.0.2
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0
github.com/joho/godotenv v1.5.1
github.com/labstack/echo/v4 v4.11.1
github.com/lib/pq v1.10.9
github.com/lightninglabs/lndclient v0.16.0-11
github.com/lightningnetwork/lnd v0.16.0-beta
github.com/lukesampson/figlet v0.0.0-20190211215653-8a3ef4a6ac42
github.com/namsral/flag v1.7.4-pre
github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
github.com/stretchr/testify v1.8.1
golang.org/x/exp v0.0.0-20230905200255-921286631fa9
github.com/stretchr/testify v1.8.4
gopkg.in/guregu/null.v4 v4.0.0
)
require (
github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da // indirect
github.com/aead/siphash v1.0.1 // indirect
github.com/andybalholm/brotli v1.0.3 // indirect
github.com/andybalholm/brotli v1.1.0 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/btcsuite/btcd v0.23.5-0.20230125025938-be056b0a0b2f // indirect
github.com/btcsuite/btcd/btcutil v1.1.3 // indirect
github.com/btcsuite/btcd/btcutil/psbt v1.1.5 // indirect
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2 // indirect
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f // indirect
github.com/btcsuite/btcutil/psbt v1.0.2 // indirect
github.com/btcsuite/btcwallet v0.16.7 // indirect
github.com/btcsuite/btcwallet/wallet/txauthor v1.3.2 // indirect
github.com/btcsuite/btcwallet/wallet/txrules v1.2.0 // indirect
@ -39,24 +42,16 @@ require (
github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd // indirect
github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792 // indirect
github.com/btcsuite/winsvc v1.0.0 // indirect
github.com/cenkalti/backoff/v4 v4.1.1 // indirect
github.com/cenkalti/backoff/v4 v4.3.0 // indirect
github.com/cespare/xxhash/v2 v2.1.1 // indirect
github.com/coreos/bbolt v1.3.3 // indirect
github.com/coreos/etcd v3.3.22+incompatible // indirect
github.com/coreos/go-semver v0.3.0 // indirect
github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf // indirect
github.com/coreos/go-systemd/v22 v22.3.2 // indirect
github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/decred/dcrd/crypto/blake256 v1.0.1 // indirect
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
github.com/decred/dcrd/lru v1.0.0 // indirect
github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
github.com/dsnet/compress v0.0.1 // indirect
github.com/dustin/go-humanize v1.0.0 // indirect
github.com/dvyukov/go-fuzz v0.0.0-20210602112143-b1f3d6f4ef4e // indirect
github.com/dustin/go-humanize v1.0.1 // indirect
github.com/fergusstrange/embedded-postgres v1.10.0 // indirect
github.com/form3tech-oss/jwt-go v3.2.3+incompatible // indirect
github.com/go-errors/errors v1.0.1 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
@ -87,7 +82,6 @@ require (
github.com/kkdai/bstream v1.0.0 // indirect
github.com/klauspost/compress v1.13.6 // indirect
github.com/klauspost/pgzip v1.2.5 // indirect
github.com/konsorten/go-windows-terminal-sequences v1.0.3 // indirect
github.com/labstack/gommon v0.4.0 // indirect
github.com/lightninglabs/gozmq v0.0.0-20191113021534-d20a764486bf // indirect
github.com/lightninglabs/neutrino v0.15.0 // indirect
@ -102,7 +96,7 @@ require (
github.com/lightningnetwork/lnd/tor v1.1.0 // indirect
github.com/ltcsuite/ltcd v0.0.0-20190101042124-f37f8bf35796 // indirect
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.19 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
github.com/mholt/archiver/v3 v3.5.0 // indirect
github.com/miekg/dns v1.1.43 // indirect
@ -126,6 +120,7 @@ require (
github.com/ulikunitz/xz v0.5.10 // indirect
github.com/valyala/bytebufferpool v1.0.0 // indirect
github.com/valyala/fasttemplate v1.2.2 // indirect
github.com/xdg-go/stringprep v1.0.4 // indirect
github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
go.etcd.io/bbolt v1.3.6 // indirect
@ -136,27 +131,22 @@ require (
go.etcd.io/etcd/pkg/v3 v3.5.7 // indirect
go.etcd.io/etcd/raft/v3 v3.5.7 // indirect
go.etcd.io/etcd/server/v3 v3.5.7 // indirect
go.opentelemetry.io/contrib v0.20.0 // indirect
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.25.0 // indirect
go.opentelemetry.io/otel v1.0.1 // indirect
go.opentelemetry.io/otel/exporters/otlp v0.20.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.0.1 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.0.1 // indirect
go.opentelemetry.io/otel/metric v0.20.0 // indirect
go.opentelemetry.io/otel/sdk v1.0.1 // indirect
go.opentelemetry.io/otel/sdk/export/metric v0.20.0 // indirect
go.opentelemetry.io/otel/sdk/metric v0.20.0 // indirect
go.opentelemetry.io/otel/trace v1.0.1 // indirect
go.opentelemetry.io/proto/otlp v0.9.0 // indirect
go.uber.org/atomic v1.7.0 // indirect
go.uber.org/multierr v1.6.0 // indirect
go.uber.org/zap v1.17.0 // indirect
golang.org/x/crypto v0.13.0 // indirect
golang.org/x/mod v0.12.0 // indirect
golang.org/x/net v0.15.0 // indirect
golang.org/x/sys v0.12.0 // indirect
golang.org/x/term v0.12.0 // indirect
golang.org/x/text v0.13.0 // indirect
go.uber.org/multierr v1.11.0 // indirect
go.uber.org/zap v1.27.0 // indirect
golang.org/x/crypto v0.22.0 // indirect
golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
golang.org/x/mod v0.17.0 // indirect
golang.org/x/net v0.24.0 // indirect
golang.org/x/sys v0.21.0 // indirect
golang.org/x/term v0.19.0 // indirect
golang.org/x/text v0.14.0 // indirect
golang.org/x/time v0.3.0 // indirect
golang.org/x/tools v0.13.0 // indirect
google.golang.org/genproto v0.0.0-20210617175327-b9e0b3197ced // indirect

463
go.sum
View File

File diff suppressed because it is too large Load Diff

9
hotreload.sh
View File

@ -4,12 +4,16 @@ PID=$(pidof delphi.market)
set -e
echo ":: remote port forwarding for dev1.delphi.market ::"
ssh -fnNR 4322:localhost:4321 dev1.delphi.market
echo
function restart_server() {
set +e
[[ -z "$PID" ]] || kill -15 $PID
ENV=development make build -B
set -e
./delphi.market >> server.log 2>&1 &
./delphi.market 2>&1 &
PID=$(pidof delphi.market)
}
@ -25,8 +29,7 @@ function cleanup() {
trap cleanup EXIT
restart
tail -f server.log &
while inotifywait -r -e modify db/ env/ lib/ lnd/ pages/ public/ server/; do
while inotifywait -r -e modify db/ env/ lib/ lnd/ public/ server/; do
restart
done

37
lib/figlet.go Normal file
View File

@ -0,0 +1,37 @@
package lib
import (
"log"
"os"
"strings"
"github.com/lukesampson/figlet/figletlib"
"golang.org/x/exp/rand"
)
func Figlet(fontName string, text string) string {
var (
fontsDir = "fonts"
// download figlet fonts from http://www.figlet.org/
font *figletlib.Font
err error
)
if fontName == "random" {
if files, err := os.ReadDir(fontsDir); err != nil {
log.Printf("error reading directory %s: %v\n", fontsDir, err)
return ""
} else {
fontName = files[rand.Intn(len(files))].Name()
}
}
if font, err = figletlib.GetFontByName(fontsDir, fontName); err != nil {
log.Printf("could not find font %s: %v\n", fontName, err)
return ""
}
b := new(strings.Builder)
figletlib.FPrintMsg(b, text, font, 80, font.Settings(), "left")
return b.String()
}

16
lib/qr.go
View File

@ -1,16 +0,0 @@
package lib
import (
"encoding/base64"
"github.com/skip2/go-qrcode"
)
func ToQR(s string) (string, error) {
png, err := qrcode.Encode(s, qrcode.Medium, 256)
if err != nil {
return "", err
}
qr := base64.StdEncoding.EncodeToString([]byte(png))
return qr, nil
}

163
lnd/invoice.go
View File

@ -1,163 +0,0 @@
package lnd
import (
"context"
"database/sql"
"log"
"time"
"git.ekzyis.com/ekzyis/delphi.market/db"
"github.com/lightninglabs/lndclient"
"github.com/lightningnetwork/lnd/lnrpc/invoicesrpc"
"github.com/lightningnetwork/lnd/lntypes"
"github.com/lightningnetwork/lnd/lnwire"
)
func (lnd *LNDClient) CreateInvoice(tx *sql.Tx, ctx context.Context, d *db.DB, pubkey string, msats int64, description string) (*db.Invoice, error) {
var (
expiry time.Duration = time.Hour
preimage lntypes.Preimage
hash lntypes.Hash
paymentRequest string
lnInvoice *lndclient.Invoice
dbInvoice *db.Invoice
err error
)
if preimage, err = generateNewPreimage(); err != nil {
return nil, err
}
hash = preimage.Hash()
if paymentRequest, err = lnd.Invoices.AddHoldInvoice(ctx, &invoicesrpc.AddInvoiceData{
Hash: &hash,
Value: lnwire.MilliSatoshi(msats),
Expiry: int64(expiry / time.Millisecond),
}); err != nil {
return nil, err
}
if lnInvoice, err = lnd.Client.LookupInvoice(ctx, hash); err != nil {
return nil, err
}
dbInvoice = &db.Invoice{
Pubkey: pubkey,
Msats: msats,
Preimage: preimage.String(),
PaymentRequest: paymentRequest,
Hash: hash.String(),
CreatedAt: lnInvoice.CreationDate,
ExpiresAt: lnInvoice.CreationDate.Add(expiry),
Description: description,
}
if err := d.CreateInvoice(tx, ctx, dbInvoice); err != nil {
return nil, err
}
return dbInvoice, nil
}
func (lnd *LNDClient) CheckInvoice(d *db.DB, hash lntypes.Hash) {
var (
pollInterval = 5 * time.Second
invoice db.Invoice
lnInvoice *lndclient.Invoice
preimage lntypes.Preimage
err error
)
if err = d.FetchInvoice(&db.FetchInvoiceWhere{Hash: hash.String()}, &invoice); err != nil {
log.Println(err)
return
}
for {
ctx, cancel := context.WithTimeout(context.TODO(), 5*time.Second)
var tx *sql.Tx
if tx, err = d.BeginTx(ctx, nil); err != nil {
cancel()
continue
}
handleLoopError := func(err error) {
log.Println(err)
tx.Rollback()
cancel()
time.Sleep(pollInterval)
}
log.Printf("lookup invoice: hash=%s", hash)
if lnInvoice, err = lnd.Client.LookupInvoice(ctx, hash); err != nil {
handleLoopError(err)
continue
}
if time.Now().After(invoice.ExpiresAt) {
// cancel invoices after expiration if no matching order found yet
if err = lnd.Invoices.CancelInvoice(ctx, hash); err != nil {
handleLoopError(err)
continue
}
log.Printf("invoice expired: hash=%s", hash)
tx.Commit()
break
}
if lnInvoice.AmountPaid == lnInvoice.Amount {
if preimage, err = lntypes.MakePreimageFromStr(invoice.Preimage); err != nil {
handleLoopError(err)
continue
}
// TODO settle invoice after matching order was found
if err = lnd.Invoices.SettleInvoice(ctx, preimage); err != nil {
handleLoopError(err)
continue
}
if err = d.ConfirmInvoice(tx, ctx, hash.String(), time.Now(), int(lnInvoice.AmountPaid)); err != nil {
handleLoopError(err)
continue
}
log.Printf("invoice confirmed: hash=%s", hash)
// Run matchmaking if an order was paid
var orderId string
var deleted bool
if err = d.QueryRowContext(ctx,
"SELECT o.id, o.deleted_at IS NOT NULL FROM orders o WHERE invoice_id = (SELECT i.id FROM invoices i WHERE hash = $1)",
hash.String(),
).Scan(&orderId, &deleted); err != nil && err != sql.ErrNoRows {
handleLoopError(err)
continue
}
if deleted {
// order was canceled before it was paid. refund sats immediately.
// this can happen if the market was settled between creating the order and paying the corresponding invoice.
if _, err := tx.ExecContext(ctx, "UPDATE users SET msats = msats + $1", int64(lnInvoice.AmountPaid)); err != nil {
tx.Rollback()
break
}
log.Printf("order %s canceled. refunded sats to user.", orderId)
break
}
if orderId != "" {
go d.RunMatchmaking(orderId)
}
tx.Commit()
break
}
time.Sleep(pollInterval)
}
}
func (lnd *LNDClient) CheckInvoices(d *db.DB) error {
var (
invoices []db.Invoice
err error
hash lntypes.Hash
)
if err = d.FetchInvoices(&db.FetchInvoicesWhere{Unconfirmed: true}, &invoices); err != nil {
return err
}
for _, invoice := range invoices {
if hash, err = lntypes.MakeHashFromStr(invoice.Hash); err != nil {
return err
}
go lnd.CheckInvoice(d, hash)
}
return nil
}

70
lnd/lnd.go
View File

@ -1,9 +1,15 @@
package lnd
import (
"context"
"database/sql"
"log"
"time"
"git.ekzyis.com/ekzyis/delphi.market/db"
"github.com/lightninglabs/lndclient"
"github.com/lightningnetwork/lnd/invoices"
"github.com/lightningnetwork/lnd/lntypes"
)
type LNDClient struct {
@ -25,3 +31,67 @@ func New(config *LNDConfig) (*LNDClient, error) {
log.Printf("Connected to %s running LND v%s", config.LndAddress, lnd.Version.Version)
return lnd, nil
}
func (lnd *LNDClient) CheckInvoices(db *db.DB) {
var (
pending bool
rows *sql.Rows
hash lntypes.Hash
inv *lndclient.Invoice
err error
)
for {
// fetch all pending invoices
if rows, err = db.Query("" +
"SELECT hash, expires_at " +
"FROM invoices " +
"WHERE confirmed_at IS NULL AND expires_at > CURRENT_TIMESTAMP"); err != nil {
log.Printf("error checking invoices: %v", err)
}
pending = false
for rows.Next() {
pending = true
var (
h string
expiresAt time.Time
)
rows.Scan(&h, &expiresAt)
if hash, err = lntypes.MakeHashFromStr(h); err != nil {
log.Printf("error parsing hash: %v", err)
continue
}
if inv, err = lnd.Client.LookupInvoice(context.TODO(), hash); err != nil {
log.Printf("error looking up invoice: %v", err)
continue
}
if !inv.State.IsFinal() {
log.Printf("invoice pending: %s %s", h, time.Until(expiresAt))
continue
}
if inv.State == invoices.ContractSettled {
if _, err = db.Exec(
"UPDATE invoices SET msats_received = $1, confirmed_at = $2 WHERE hash = $3",
inv.AmountPaid, inv.SettleDate, h); err != nil {
log.Printf("error updating invoice %s: %v", h, err)
}
log.Printf("invoice confirmed: %s", h)
} else if inv.State == invoices.ContractCanceled {
log.Printf("invoice expired: %s", h)
}
}
// poll faster if there are pending invoices
if pending {
time.Sleep(1 * time.Second)
} else {
time.Sleep(5 * time.Second)
}
}
}

1
lnd/types.go
View File

@ -1 +0,0 @@
package lnd

14
lnd/withdrawal.go
View File

@ -10,21 +10,31 @@ import (
)
func (lnd *LNDClient) PayInvoice(tx *sql.Tx, bolt11 string) error {
maxFeeSats := btcutil.Amount(10)
ctx, cancel := context.WithTimeout(context.TODO(), 10*time.Second)
defer cancel()
log.Printf("attempting to pay bolt11 %s ...\n", bolt11)
maxFeeSats := btcutil.Amount(10)
payChan := lnd.Client.PayInvoice(ctx, bolt11, maxFeeSats, nil)
res := <-payChan
if res.Err != nil {
log.Printf("error paying bolt11: %s -- %s\n", bolt11, res.Err)
tx.Rollback()
return res.Err
}
log.Printf("successfully paid bolt11: %s\n", bolt11)
if _, err := tx.ExecContext(ctx, "UPDATE withdrawals SET paid_at = CURRENT_TIMESTAMP WHERE bolt11 = $1", bolt11); err != nil {
if _, err := tx.ExecContext(ctx,
"UPDATE withdrawals SET paid_at = CURRENT_TIMESTAMP WHERE bolt11 = $1",
bolt11,
); err != nil {
tx.Rollback()
return err
}
return res.Err
}

46
main.go
View File

@ -1,6 +1,7 @@
package main
import (
"encoding/hex"
"fmt"
"log"
"net/http"
@ -20,26 +21,31 @@ var (
func init() {
var (
dbUrl string
lndAddress string
lndCert string
lndMacaroonDir string
lndNetwork string
db_ *db.DB
lnd_ *lnd.LNDClient
ctx router.ServerContext
err error
dbUrl string
lndAddress string
lndCert string
tlsData []byte
lndMacaroon string
lndNetwork string
db_ *db.DB
lnd_ *lnd.LNDClient
ctx router.Context
err error
)
if err = env.Load(); err != nil {
log.Fatalf("error loading env vars: %v", err)
}
flag.StringVar(&dbUrl, "DATABASE_URL", "delphi.market", "Public URL of website")
flag.StringVar(&lndAddress, "LND_ADDRESS", "localhost:10001", "LND gRPC server address")
flag.StringVar(&lndCert, "LND_CERT", "", "Path to LND TLS certificate")
flag.StringVar(&lndMacaroonDir, "LND_MACAROON_DIR", "", "LND macaroon directory")
flag.StringVar(&lndCert, "LND_CERT", "", "LND TLS certificate in hex")
flag.StringVar(&lndMacaroon, "LND_MACAROON", "", "LND macaroon in hex")
flag.StringVar(&lndNetwork, "LND_NETWORK", "regtest", "LND network")
env.Parse()
figlet()
log.Printf("Commit: %s", env.CommitShortSha)
log.Printf("Public URL: %s", env.PublicURL)
log.Printf("Environment: %s", env.Env)
@ -48,19 +54,25 @@ func init() {
log.Fatalf("error connecting to database: %v", err)
}
if tlsData, err = hex.DecodeString(lndCert); err != nil {
log.Printf("[warn] error decoding LND TLS certificate: %v\n", err)
}
if lnd_, err = lnd.New(&lnd.LNDConfig{
LndAddress: lndAddress,
TLSPath: lndCert,
MacaroonDir: lndMacaroonDir,
Network: lndclient.Network(lndNetwork),
LndAddress: lndAddress,
CustomMacaroonHex: lndMacaroon,
TLSData: string(tlsData),
Network: lndclient.Network(lndNetwork),
Insecure: false,
}); err != nil {
log.Printf("[warn] error connecting to LND: %v\n", err)
lnd_ = nil
} else {
lnd_.CheckInvoices(db_)
go lnd_.CheckInvoices(db_)
}
ctx = server.ServerContext{
ctx = server.Context{
Environment: env.Env,
PublicURL: env.PublicURL,
CommitShortSha: env.CommitShortSha,
CommitLongSha: env.CommitLongSha,

54
pages/index.html
View File

@ -1,54 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<title>delphi.market</title>
<link rel="icon" type="image/x-icon" href="/favicon.ico" />
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
<link rel="manifest" href="/site.webmanifest" />
<link rel="stylesheet" href="/index.css" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#091833" />
{{ if eq .ENV "development" }}
<script defer src="/hotreload.js"></script>
{{ end }}
</head>
<body>
<header class="flex flex-row text-center justify-center pt-1">
<nav>
<a href="/">home</a>
{{ if .session }}
<a href='/user'>user</a>
{{ else }} <a href="/login">login</a> {{ end }}
</nav>
</header>
<div class="container flex flex-column text-center">
<code>
<strong>
<pre>
_ _ _ _
__| | ___| |_ __ | |__ (_)
/ _` |/ _ \ | '_ \| '_ \| |
| (_| | __/ | |_) | | | | |
\__,_|\___|_| .__/|_| |_|_|
|_| </pre>
</strong>
</code>
<div class="font-mono mb-1">A prediction market using the lightning network [WIP]</div>
<div class="font-mono mb-1">ACTIVE MARKETS</div>
{{ range .markets }}
<a href="/market/{{.Id}}">{{.Description}}</a>
{{ end }}
</div>
<footer class="flex justify-center">
<div>
<hr />
<code><a href="https://github.com/ekzyis/delphi.market/commit/{{.COMMIT_LONG_SHA}}">{{.VERSION}}</a></code>
</div>
</footer>
</body>
</html>

113
pages/invoice.html
View File

@ -1,113 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<title>delphi.market</title>
<link rel="icon" type="image/x-icon" href="/favicon.ico" />
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
<link rel="manifest" href="/site.webmanifest" />
<link rel="stylesheet" href="/index.css" />
<link rel="stylesheet" href="/market.css" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#091833" />
{{ if eq .ENV "development" }}
<script defer src="/hotreload.js"></script>
{{ end }}
</head>
<body>
<header class="flex flex-row text-center justify-center pt-1">
<nav>
<a href="/">home</a>
{{ if .session }}
<a href='/user'>user</a>
{{ else }} <a href="/login">login</a> {{ end }}
</nav>
</header>
<div class="container flex flex-column text-center justify-center">
<code>
<strong>
<pre>
_ _ ___ ____
| || | / _ \___ \
| || |_| | | |__) |
|__ _| |_| / __/
|_| \___/_____|</pre>
</strong>
</code>
<div class="font-mono mb-1">
<div class="mb-1">Payment Required</div>
<div id="status" hidden>
<div id="status-label"></div>
<div id="countdown" hidden>Redirecting in 3 ...</div>
</div>
</div>
<div id="qr">
<a href="lightning:{{.lnurl}}">
<img class="m-auto mb-1" src="data:image/png;base64,{{.qr}}" width="50%" />
</a>
<div class="font-mono word-wrap mb-1">{{.lnurl}}</div>
<details class="font-mono mb-1 align-left">
<summary>details</summary>
<div>id: {{.invoice.Id}}</div>
<div>amount: {{div .invoice.Msats 1000}} sats</div>
<div>created: {{.invoice.CreatedAt}}</div>
<div>expiry : {{.invoice.ExpiresAt}}</div>
<div class="word-wrap">hash: {{.invoice.Hash}}</div>
</details>
</div>
</div>
</body>
<script>
const statusElement = document.querySelector("#status")
const label = document.querySelector("#status-label")
const status = "{{.status}}"
const redirectUrl = "{{.redirectURL}}"
function poll() {
const invoiceId = "{{.invoice.Id}}"
const countdown = document.querySelector("#countdown")
const redirect = () => {
clearInterval(interval)
countdown.removeAttribute("hidden")
let timer = 2
const redirect = setInterval(() => {
countdown.textContent = `Redirecting in ${timer--} ...`
if (timer === -1) {
window.location.href = redirectUrl;
}
}, 1000)
}
const interval = setInterval(async () => {
const body = await fetch(`/api/invoice/${invoiceId}`)
.then((r) => r.json())
.catch(console.error)
if (body.ConfirmedAt) {
statusElement.removeAttribute("hidden")
statusElement.classList.add("yes")
label.textContent = "Paid"
if (redirectUrl) redirect()
} else if (new Date(body.ExpiresAt) <= new Date()) {
statusElement.removeAttribute("hidden")
statusElement.classList.add("no")
label.textContent = "Expired"
if (redirectUrl) redirect()
}
}, 1000)
}
if (status) {
console.log(status)
statusElement.removeAttribute("hidden")
label.textContent = status
if (status === "Paid") {
statusElement.classList.add("yes")
}
else if (status === "Expired") {
statusElement.classList.add("no")
}
}
else poll()
</script>
</html>

77
pages/login.html
View File

@ -1,77 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<title>delphi.market</title>
<link rel="icon" type="image/x-icon" href="/favicon.ico" />
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
<link rel="manifest" href="/site.webmanifest" />
<link rel="stylesheet" href="/index.css" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#091833" />
{{ if eq .ENV "development" }}
<script defer src="/hotreload.js"></script>
{{ end }}
</head>
<body>
<header class="flex flex-row text-center justify-center pt-1">
<nav>
<a href="/">home</a>
{{ if .session }}
<a href='/user'>user</a>
{{ else }} <a href="/login">login</a> {{ end }}
</nav>
</header>
<div class="container flex flex-column text-center justify-center">
<code>
<strong>
<pre>
_ _
| | ___ __ _(_)_ __
| |/ _ \ / _` | | '_ \
| | (_) | (_| | | | | |
|_|\___/ \__, |_|_| |_|
|___/ </pre>
</strong>
</code>
<div id="qr">
<div class="mb-1">Login with Lightning</div>
<a href="lightning:{{.lnurl}}"><img class="m-auto mb-1" src="data:image/png;base64,{{.qr}}" width="100%" /></a>
<div class="font-mono word-wrap">{{.lnurl}}</div>
</div>
<div id="lnauth-success" hidden>
<div>Login successful</div>
<div>You are <span id="lnauth-pubkey" class="font-mono"></span></div>
<div id="lnauth-countdown">Redirecting in 3 ...</div>
</div>
</div>
</body>
<script>
const qr = document.querySelector("#qr")
const success = document.querySelector("#lnauth-success")
const pubkey = document.querySelector("#lnauth-pubkey")
const countdown = document.querySelector("#lnauth-countdown")
const interval = setInterval(async () => {
const body = await fetch(`/api/session`)
.then((r) => r.json())
.catch(console.error)
if (body.pubkey) {
qr.setAttribute("hidden", true)
pubkey.textContent = body.pubkey.slice(0, 10)
success.removeAttribute("hidden")
clearInterval(interval)
let timer = 2
const redirect = setInterval(() => {
countdown.textContent = `Redirecting in ${timer--} ...`
if (timer === -1) {
window.location.href = "https://{{.PUBLIC_URL}}/";
}
}, 1000)
}
}, 1000)
</script>
</html>

82
pages/market.html
View File

@ -1,82 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<title>delphi.market</title>
<link rel="icon" type="image/x-icon" href="/favicon.ico" />
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
<link rel="manifest" href="/site.webmanifest" />
<link rel="stylesheet" href="/index.css" />
<link rel="stylesheet" href="/market.css" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#091833" />
{{ if eq .ENV "development" }}
<script defer src="/hotreload.js"></script>
{{ end }}
</head>
<body>
<header class="flex flex-row text-center justify-center pt-1">
<nav>
<a href="/">home</a>
{{ if .session }}
<a href='/user'>user</a>
{{ else }} <a href="/login">login</a> {{ end }}
</nav>
</header>
<div class="container flex flex-column text-center">
<code>
<strong>
<pre>
_ _
_ __ ___ __ _ _ __| | _____| |_
| '_ ` _ \ / _` | '__| |/ / _ \ __|
| | | | | | (_| | | | < __/ |_
|_| |_| |_|\__,_|_| |_|\_\___|\__|</pre>
</strong>
</code>
<div class="font-mono mb-1">{{.Description}}</div>
<div class="align-left">
<span class="font-mono mb-1"><strong>Order Book</strong></span>
<table class="w-100p mb-1">
<tr>
<th class="align-left"></th>
<th class="align-right"></th>
</tr>
{{ range .Orders }}
<tr class='{{ if eq .Side "BUY" }}yes{{ else }}no{{ end }}'>
<td class="align-center">{{ .Side }}</td>
<td class="align-center">{{ .Share.Description }}</td>
<td class="align-right">{{.Quantity}} @ {{.Price}} ⚡</td>
</tr>
{{ end }}
</table>
</div>
<hr />
<div class="align-left">
<span class="font-mono mb-1"><strong>Order Form</strong></span>
<form id="form" class="order-form" action="/market/{{$.Id}}/order" method="post">
<button id="buy" type="button" class="order-button yes w-100p selected">BUY</button>
<button id="sell" type="button" class="order-button no w-100p">SELL</button>
<input id="market-id" hidden name="market_id" value="{{$.Id}}" />
<input id="side" hidden name="side" value="BUY" />
<label>share</label>
<select name="share_id">
<option value="{{.YesShare.Id}}">YES</option>
<option value="{{.NoShare.Id}}">NO</option>
</select>
<label>quantity</label>
<input id="quantity" type="number" name="quantity" placeholder="quantity" />
<label>price [sats ⚡]</label>
<input id="price" type="number" name="price" placeholder="price" />
<label id="submit-label"></label>
<button type="submit">SUBMIT</button>
</form>
</div>
</div>
</body>
<script src="/order.js"></script>
</html>

106
pages/user.html
View File

@ -1,106 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<title>delphi.market</title>
<link rel="icon" type="image/x-icon" href="/favicon.ico" />
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
<link rel="manifest" href="/site.webmanifest" />
<link rel="stylesheet" href="/index.css" />
<link rel="stylesheet" href="/market.css" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#091833" />
{{ if eq .ENV "development" }}
<script defer src="/hotreload.js"></script>
{{ end }}
</head>
<body>
<header class="flex flex-row text-center justify-center pt-1">
<nav>
<a href="/">home</a>
{{ if .session }}
<a href='/user'>user</a>
{{ else }} <a href="/login">login</a> {{ end }}
</nav>
</header>
<div class="container flex flex-column text-center">
<code>
<strong>
<pre>
_ _ ___ ___ _ __
| | | / __|/ _ \ '__|
| |_| \__ \ __/ |
\__,_|___/\___|_| </pre>
</strong>
</code>
<div class="font-mono mb-1 align-left word-wrap">
<div class="mb-1">
You are: {{substr .session.Pubkey 0 8}}
</div>
<div>
<form class="align-left" action="/logout" method="post">
<button type="submit">logout</button>
</form>
</div>
</div>
<div class="align-left mb-1">
<span class="font-mono mb-1"><strong>Open Orders</strong></span>
<table class="w-100p mb-1">
<tr>
<th class="align-center">Market</th>
<th class="align-center"></th>
<th class="align-center"></th>
<th class="align-right"></th>
</tr>
{{ range .Orders }}
{{ if .Invoice.ConfirmedAt.Valid }}
<tr class='{{ if eq .Side "BUY" }}yes{{ else }}no{{ end }}'>
<td class="align-center">
<a href="/market/{{.Share.MarketId}}">{{.Share.MarketId}}</a>
</td>
<td class="align-center">{{.Side}}</td>
<td class="align-center">{{.Share.Description}}</td>
<td class="align-right">{{.Quantity}} @ {{.Price}} ⚡</td>
</tr>
{{ end }}
{{ end }}
</table>
</div>
<div class="align-left mb-1">
<span class="font-mono mb-1"><strong>Unpaid Orders</strong></span>
<table class="w-100p mb-1">
<tr>
<th class="align-center">Market</th>
<th class="align-center"></th>
<th class="align-center"></th>
<th class="align-right"></th>
<th class="align-center">Invoice</th>
</tr>
{{ range .Orders }}
{{ if not .Invoice.ConfirmedAt.Valid }}
<tr class='{{ if eq .Side "BUY" }}yes{{ else }}no{{ end }}'>
<td class="align-center">
<a href="/market/{{.Share.MarketId}}">{{.Share.MarketId}}</a>
</td>
<td class="align-center">{{.Side}}</td>
<td class="align-center">{{.Share.Description}}</td>
<td class="align-right">{{.Quantity}} @ {{.Price}} ⚡</td>
<td class="align-center"><a href="/invoice/{{.InvoiceId}}">invoice</a></td>
</tr>
{{ end }}
{{ end }}
</table>
</div>
</div>
<footer class="flex justify-center">
<div>
<hr />
<code><a href="https://github.com/ekzyis/delphi.market/commit/{{.COMMIT_LONG_SHA}}">{{.VERSION}}</a></code>
</div>
</footer>
</body>
</html>

37
public/400.html
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@ -1,37 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<title>delphi.market</title>
<link rel="icon" type="image/x-icon" href="/favicon.ico" />
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
<link rel="manifest" href="/site.webmanifest" />
<link rel="stylesheet" href="/index.css" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#091833" />
</head>
<body>
<header class="flex flex-row text-center justify-center pt-1">
<nav>
<a href="/">home</a>
</nav>
</header>
<div class="container flex flex-column text-center">
<code>
<strong>
<pre>
_ _ ___ ___
| || | / _ \ / _ \
| || |_| | | | | | |
|__ _| |_| | |_| |
|_| \___/ \___/ </pre>
</strong>
</code>
<div class="font-mono mb-1">Bad Request</div>
</div>
</body>
</html>

37
public/404.html
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@ -1,37 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<title>delphi.market</title>
<link rel="icon" type="image/x-icon" href="/favicon.ico" />
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
<link rel="manifest" href="/site.webmanifest" />
<link rel="stylesheet" href="/index.css" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#091833" />
</head>
<body>
<header class="flex flex-row text-center justify-center pt-1">
<nav>
<a href="/">home</a>
</nav>
</header>
<div class="container flex flex-column text-center">
<code>
<strong>
<pre>
_ _ ___ _ _
| || | / _ \| || |
| || |_| | | | || |_
|__ _| |_| |__ _|
|_| \___/ |_| </pre>
</strong>
</code>
<div class="font-mono mb-1">Not Found</div>
</div>
</body>
</html>

37
public/405.html
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@ -1,37 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<title>delphi.market</title>
<link rel="icon" type="image/x-icon" href="/favicon.ico" />
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
<link rel="manifest" href="/site.webmanifest" />
<link rel="stylesheet" href="/index.css" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#091833" />
</head>
<body>
<header class="flex flex-row text-center justify-center pt-1">
<nav>
<a href="/">home</a>
</nav>
</header>
<div class="container flex flex-column text-center">
<code>
<strong>
<pre>
_ _ ___ ____
| || | / _ \| ___|
| || |_| | | |___ \
|__ _| |_| |___) |
|_| \___/|____/ </pre>
</strong>
</code>
<div class="font-mono mb-1">Method Not Allowed</div>
</div>
</body>
</html>

37
public/500.html
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@ -1,37 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<title>delphi.market</title>
<link rel="icon" type="image/x-icon" href="/favicon.ico" />
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
<link rel="manifest" href="/site.webmanifest" />
<link rel="stylesheet" href="/index.css" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#091833" />
</head>
<body>
<header class="flex flex-row text-center justify-center pt-1">
<nav>
<a href="/">home</a>
</nav>
</header>
<div class="container flex flex-column text-center">
<code>
<strong>
<pre>
____ ___ ___
| ___| / _ \ / _ \
|___ \| | | | | | |
___) | |_| | |_| |
|____/ \___/ \___/ </pre>
</strong>
</code>
<div class="font-mono mb-1">Internal Server Error</div>
</div>
</body>
</html>

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public/css/_tw-input.css Normal file
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@ -0,0 +1,168 @@
@tailwind base;
@tailwind components;
@tailwind utilities;
:root {
--background: #191d21;
--color: #d3d3d3;
--muted: #6c757d;
--lightning: #fada5e;
--nostr: #8d45dd;
--black: #000;
--white: #fff;
--bg-success: #149e613d;
--fg-success: #35df8d;
--bg-error: #f5395e3d;
--fg-error: #ff7386;
}
@layer base {
body {
background-color: var(--background);
color: var(--color);
transition: background-color 150ms ease-in;
}
#content {
min-height: 85svh;
}
@media (min-width: 768px) {
#content {
min-height: 90svh;
}
}
footer {
color: var(--muted);
}
hr {
border-color: var(--muted);
border-style: dashed;
@apply pb-1;
}
a:not(.no-link),
button[hx-get],
button[hx-post],
button[type="submit"],
.button {
transition: background-color 150ms ease-in, color 150ms ease-in;
}
a:not(.no-link):hover,
button[hx-get]:hover,
button[hx-post]:hover,
button[type="submit"]:hover,
.button:hover {
background-color: var(--color);
color: var(--background);
}
a:not(.no-link),
button[hx-get] {
text-decoration: underline;
}
button[hx-post],
button[type="submit"],
.button {
border-width: 1px;
}
nav a,
button[hx-get],
button[hx-post],
button[type="submit"] {
padding: 0 0.25em;
}
h1 {
font-size: 24px
}
iframe {
width: 300px;
aspect-ratio: 560/315;
}
.text-muted {
color: var(--muted);
}
.text-reset {
color: var(--color);
}
.hitbox {
padding: 15px;
margin: -15px;
}
.neon {
border: none;
padding: 0.5em 3em;
transition: background-color 150ms ease-in, color 150ms ease-in;
}
.neon.success {
background-color: var(--bg-success);
color: var(--fg-success);
}
.neon.success:hover {
background-color: var(--fg-success);
color: var(--white);
}
.neon.error {
background-color: var(--bg-error);
color: var(--fg-error);
}
.neon.error:hover {
background-color: var(--fg-error);
color: var(--white);
}
.figlet {
display: flex;
align-items: center;
justify-content: center;
height: 144px;
@apply my-3
}
.login, .signup {
text-decoration: none !important;
transition: none !important;
padding: 0.25em 1em !important;
width: fit-content;
margin: 0 auto;
border-radius: 5px;
font-weight: bold;
}
.lightning {
background-color: var(--lightning) !important;
color: var(--black) !important;
}
.lightning:hover {
filter: brightness(125%) drop-shadow(0 0 0.33rem var(--lightning));
}
.nostr {
background-color: var(--nostr) !important;
color: var(--white) !important;
}
.nostr:hover {
filter: brightness(125%) drop-shadow(0 0 0.33rem var(--nostr));
}
#modal {
backdrop-filter: blur(10px);
}
}

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173
public/index.css
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@ -1,173 +0,0 @@
body {
background-color: #091833;
color: #ffffff;
caret-color: transparent;
font-family: Arial, Helvetica, sans-serif;
margin: 0;
display: flex;
flex-direction: column;
justify-content: center;
}
nav {
display: flex;
}
a {
color: #8787a4;
text-decoration: underline;
}
a:hover {
background: #8787A4;
color: #ffffff;
}
a.selected {
background: #8787A4;
color: #ffffff;
}
nav > a {
margin: 0 3px;
}
nav > form > button {
color: #8787a4;
text-decoration: underline;
border: none;
outline: none;
background: none;
cursor: pointer;
padding: 0;
text-decoration: underline;
font-family: inherit;
font-size: inherit;
margin: 0 3px;
}
nav > form > button:hover {
background: #8787A4;
color: #ffffff;
}
@media (min-width: 768px) {
#qr > a > img {
width: 50%;
}
}
@media (min-width: 1024px) {
#qr > a > img {
width: 30%;
}
}
#qr > a:hover {
background: none;
}
hr {
border: none;
height: 1px;
background: repeating-linear-gradient(90deg,#fff,#fff 6px,transparent 1px,transparent 8px);
}
ul {
text-align: left;
}
.container {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
-ms-box-sizing: border-box;
-o-box-sizing: border-box;
box-sizing: border-box;
margin: 1em auto;
padding: 0 1em;
min-width: 40vw;
max-width: 100vw;
}
@media (min-width: 640px) {
.container {
max-width: 100vw;
}
}
@media (min-width: 768px) {
.container {
max-width: 80vw;
}
}
@media (min-width: 1024px) {
.container {
max-width: 60vw;
}
}
.flex {
display: flex;
}
.flex-column {
flex-direction: column;
}
.text-center {
text-align: center;
}
.text-left {
text-align: left;
}
.font-bold {
font: bold;
}
.font-mono {
font-family: "Lucida Console", "Courier New", monospace;
}
.justify-center {
justify-content: center;
}
.items-center {
align-items: center;
}
.h-100vh {
height: 100vh;
}
.w-100p {
width: 100%;
}
.m-auto {
margin: auto;
}
.mb-1 {
margin-bottom: 1em;
}
.mb-s {
margin-bottom: 0.2em;
}
.mr-s {
margin-right: 0.2em;
}
.pt-1 {
padding-top: 1em;
}
.mx-1 {
margin: 0 .2em;
}
.word-wrap {
word-wrap: break-word;
}
.align-left {
text-align: left;
}
.align-center {
text-align: center;
}
.align-right {
text-align: right;
}
.scroll-x {
overflow-x: scroll;
}

0
public/hotreload.js → public/js/hotreload.js
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47
public/market.css
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@ -1,47 +0,0 @@
.order-button {
border: none;
margin: auto;
border-radius: 4px;
font-size: 20px;
}
.order-form {
display: grid;
grid-template-columns: 1fr 1fr;
grid-template-rows: 1fr 1fr;
}
.sx-1 {
margin: 0 1rem;
padding: 0 1rem;
}
.yes {
background-color: rgba(20,158,97,.24);
color: #35df8d;
}
button.yes:hover {
background-color: #35df8d;
color: white;
}
button.yes.selected {
background-color: #35df8d;
color: white;
}
.no {
background-color: rgba(245,57,94,.24);
color: #ff7386;
}
button.no:hover {
background-color: #ff7386;
color: white;
}
button.no.selected {
background-color: #ff7386;
color: white;
}
th {
font-size: small;
}

16
public/order.js
View File

@ -1,16 +0,0 @@
const marketId = document.querySelector("#market-id").value
const buyBtn = document.querySelector("#buy")
const sellBtn = document.querySelector("#sell")
const sideInput = document.querySelector("#side")
buyBtn.onclick = function (e) {
buyBtn.classList.add("selected")
sellBtn.classList.remove("selected")
sideInput.setAttribute("value", "BUY")
}
sellBtn.onclick = function(e) {
buyBtn.classList.remove("selected")
sellBtn.classList.add("selected")
sideInput.setAttribute("value", 'SELL')
}

68
server/auth/lnauth.go
View File

@ -8,58 +8,74 @@ import (
"github.com/btcsuite/btcd/btcec/v2"
"github.com/btcsuite/btcutil/bech32"
"github.com/decred/dcrd/dcrec/secp256k1/v4"
"git.ekzyis.com/ekzyis/delphi.market/env"
)
type LNAuth struct {
type LnAuth struct {
K1 string
LNURL string
}
type LNAuthResponse struct {
K1 string `query:"k1"`
Sig string `query:"sig"`
Key string `query:"key"`
type LnAuthCallback struct {
K1 string `query:"k1"`
Sig string `query:"sig"`
Key string `query:"key"`
Action string `query:"action"`
}
func NewLNAuth() (*LNAuth, error) {
k1 := make([]byte, 32)
_, err := rand.Read(k1)
if err != nil {
func NewLnAuth(action string) (*LnAuth, error) {
var (
k1 = make([]byte, 32)
k1hex string
url []byte
bech32Url []byte
lnurl string
err error
)
if _, err := rand.Read(k1); err != nil {
return nil, fmt.Errorf("rand.Read error: %w", err)
}
k1hex := hex.EncodeToString(k1)
url := []byte(fmt.Sprintf("https://%s/api/login/callback?tag=login&k1=%s&action=login", env.PublicURL, k1hex))
conv, err := bech32.ConvertBits(url, 8, 5, true)
if err != nil {
k1hex = hex.EncodeToString(k1)
url = []byte(fmt.Sprintf("https://%s/api/lnauth/callback?tag=login&k1=%s&action=%s", env.PublicURL, k1hex, action))
if bech32Url, err = bech32.ConvertBits(url, 8, 5, true); err != nil {
return nil, fmt.Errorf("bech32.ConvertBits error: %w", err)
}
lnurl, err := bech32.Encode("lnurl", conv)
if err != nil {
if lnurl, err = bech32.Encode("lnurl", bech32Url); err != nil {
return nil, fmt.Errorf("bech32.Encode error: %w", err)
}
return &LNAuth{k1hex, lnurl}, nil
return &LnAuth{k1hex, lnurl}, nil
}
func VerifyLNAuth(r *LNAuthResponse) (bool, error) {
var k1Bytes, sigBytes, keyBytes []byte
k1Bytes, err := hex.DecodeString(r.K1)
if err != nil {
func VerifyLNAuth(r *LnAuthCallback) (bool, error) {
var (
k1Bytes, sigBytes, keyBytes []byte
key *secp256k1.PublicKey
err error
)
if k1Bytes, err = hex.DecodeString(r.K1); err != nil {
return false, fmt.Errorf("k1 decode error: %w", err)
}
sigBytes, err = hex.DecodeString(r.Sig)
if err != nil {
if sigBytes, err = hex.DecodeString(r.Sig); err != nil {
return false, fmt.Errorf("sig decode error: %w", err)
}
keyBytes, err = hex.DecodeString(r.Key)
if err != nil {
if keyBytes, err = hex.DecodeString(r.Key); err != nil {
return false, fmt.Errorf("key decode error: %w", err)
}
key, err := btcec.ParsePubKey(keyBytes)
if err != nil {
if key, err = btcec.ParsePubKey(keyBytes); err != nil {
return false, fmt.Errorf("key parse error: %w", err)
}
ecdsaKey := ecdsa.PublicKey{Curve: btcec.S256(), X: key.X(), Y: key.Y()}
return ecdsa.VerifyASN1(&ecdsaKey, k1Bytes, sigBytes), nil
}

47
server/error.go
View File

@ -1,20 +1,49 @@
package server
import (
"bytes"
"net/http"
"strings"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages"
"github.com/a-h/templ"
"github.com/labstack/echo/v4"
)
func httpErrorHandler(err error, c echo.Context) {
c.Logger().Error(err)
code := http.StatusInternalServerError
if httpError, ok := err.(*echo.HTTPError); ok {
code = httpError.Code
func httpErrorHandler(sc context.Context) echo.HTTPErrorHandler {
return func(err error, c echo.Context) {
var (
code = http.StatusInternalServerError
page = pages.Error
buf *bytes.Buffer
)
c.Logger().Error(err)
if httpError, ok := err.(*echo.HTTPError); ok {
code = httpError.Code
}
if strings.Contains(err.Error(), "violates check constraint") ||
strings.Contains(err.Error(), "violates unique constraint") {
code = 400
}
buf = templ.GetBuffer()
defer templ.ReleaseBuffer(buf)
if err = page(code).Render(context.RenderContext(sc, c), buf); err != nil {
c.Logger().Error(err)
code = http.StatusInternalServerError
}
// make sure that HTMX selects and targets correct element
c.Response().Header().Add("HX-Retarget", "#content")
c.Response().Header().Add("HX-Reselect", "#content")
if err = c.HTML(code, buf.String()); err != nil {
c.Logger().Error(err)
}
}
if strings.Contains(err.Error(), "violates check constraint") || strings.Contains(err.Error(), "violates unique constraint") {
code = 400
}
c.JSON(code, map[string]any{"status": code})
}

34
server/router/context/context.go
View File

@ -1,12 +1,15 @@
package context
import (
"context"
"git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/lnd"
"github.com/labstack/echo/v4"
)
type ServerContext struct {
type Context struct {
context.Context
Environment string
PublicURL string
CommitShortSha string
@ -16,19 +19,20 @@ type ServerContext struct {
Lnd *lnd.LNDClient
}
func (sc *ServerContext) Render(c echo.Context, code int, name string, data map[string]any) error {
envVars := map[string]any{
"PUBLIC_URL": sc.PublicURL,
"COMMIT_SHORT_SHA": sc.CommitShortSha,
"COMMIT_LONG_SHA": sc.CommitLongSha,
"VERSION": sc.Version,
}
merge(&data, &envVars)
return c.Render(code, name, data)
}
type RenderContextKey string
func merge[T comparable](target *map[T]any, src *map[T]any) {
for k, v := range *src {
(*target)[k] = v
}
var (
EnvContextKey RenderContextKey = "env"
SessionContextKey RenderContextKey = "session"
CommitContextKey RenderContextKey = "commit"
ReqPathContextKey RenderContextKey = "reqPath"
)
func RenderContext(sc Context, c echo.Context) context.Context {
ctx := c.Request().Context()
ctx = context.WithValue(ctx, EnvContextKey, sc.Environment)
ctx = context.WithValue(ctx, SessionContextKey, c.Get("session"))
ctx = context.WithValue(ctx, CommitContextKey, sc.CommitShortSha)
ctx = context.WithValue(ctx, ReqPathContextKey, c.Request().URL.Path)
return ctx
}

13
server/router/handler/about.go Normal file
View File

@ -0,0 +1,13 @@
package handler
import (
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages"
"github.com/labstack/echo/v4"
)
func HandleAbout(sc context.Context) echo.HandlerFunc {
return func(c echo.Context) error {
return pages.About().Render(context.RenderContext(sc, c), c.Response().Writer)
}
}

225
server/router/handler/auth.go Normal file
View File

@ -0,0 +1,225 @@
package handler
import (
"database/sql"
"net/http"
"time"
"git.ekzyis.com/ekzyis/delphi.market/server/auth"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages"
"github.com/labstack/echo/v4"
"github.com/lib/pq"
)
func HandleAuth(sc context.Context, action string) echo.HandlerFunc {
return func(c echo.Context) error {
if c.Param("method") == "lightning" {
return LnAuth(sc, c, action)
}
if c.Param("method") == "nostr" {
return NostrAuth(sc, c, action)
}
// on session guard redirects to /login,
// we need to make sure that HTMX selects and targets correct element
c.Response().Header().Add("HX-Retarget", "#content")
c.Response().Header().Add("HX-Reselect", "#content")
return pages.Auth(mapAction(action)).Render(context.RenderContext(sc, c), c.Response().Writer)
}
}
func LnAuth(sc context.Context, c echo.Context, action string) error {
var (
db = sc.Db
ctx = c.Request().Context()
lnAuth *auth.LnAuth
sessionId string
// sessions expire in 30 days. TODO: refresh sessions
expires = time.Now().Add(60 * 60 * 24 * 30 * time.Second)
err error
)
if lnAuth, err = auth.NewLnAuth(action); err != nil {
return err
}
if err = db.QueryRowContext(
ctx,
"INSERT INTO lnauth(k1, lnurl) VALUES($1, $2) RETURNING session_id",
lnAuth.K1, lnAuth.LNURL).Scan(&sessionId); err != nil {
return err
}
c.SetCookie(&http.Cookie{
Name: "session",
HttpOnly: true,
Path: "/",
Value: sessionId,
Secure: true,
Expires: expires,
})
return pages.LnAuth(lnAuth.LNURL, mapAction(action)).Render(context.RenderContext(sc, c), c.Response().Writer)
}
func HandleLnAuthCallback(sc context.Context) echo.HandlerFunc {
return func(c echo.Context) error {
var (
db = sc.Db
tx *sql.Tx
ctx = c.Request().Context()
query auth.LnAuthCallback
sessionId string
userId int
ok bool
err error
pqErr *pq.Error
)
bail := func(code int, reason string) error {
if tx != nil {
// manual rollback is only required for tests afaik
tx.Rollback()
}
return c.JSON(code, map[string]string{"status": "ERROR", "reason": reason})
}
if err = c.Bind(&query); err != nil {
return bail(http.StatusInternalServerError, err.Error())
} else if query.K1 == "" || query.Sig == "" || query.Key == "" || query.Action == "" {
return bail(http.StatusBadRequest, "bad query")
}
if tx, err = db.BeginTx(ctx, &sql.TxOptions{Isolation: sql.LevelReadCommitted}); err != nil {
return bail(http.StatusInternalServerError, err.Error())
}
err = tx.QueryRow("SELECT session_id FROM lnauth WHERE k1 = $1 LIMIT 1", query.K1).Scan(&sessionId)
if err == sql.ErrNoRows {
return bail(http.StatusNotFound, "session not found")
} else if err != nil {
return bail(http.StatusInternalServerError, err.Error())
}
ok, err = auth.VerifyLNAuth(&query)
if err != nil {
return bail(http.StatusInternalServerError, err.Error())
} else if !ok {
return bail(http.StatusBadRequest, "bad signature")
}
if query.Action == "register" {
err = tx.QueryRow(""+
"INSERT INTO users(ln_pubkey) VALUES ($1) "+
"ON CONFLICT(ln_pubkey) DO UPDATE SET ln_pubkey = $1 "+
"RETURNING id", query.Key).Scan(&userId)
if err != nil {
pqErr, ok = err.(*pq.Error)
if ok && pqErr.Code == "23505" {
return bail(http.StatusBadRequest, "user already exists")
}
return bail(http.StatusInternalServerError, err.Error())
}
} else if query.Action == "login" {
err = tx.QueryRow("SELECT id FROM users WHERE ln_pubkey = $1", query.Key).Scan(&userId)
if err == sql.ErrNoRows {
return bail(http.StatusNotFound, "user not found")
} else if err != nil {
return bail(http.StatusInternalServerError, err.Error())
}
} else {
return bail(http.StatusBadRequest, "bad action")
}
if _, err = tx.Exec("INSERT INTO sessions(id, user_id) VALUES($1, $2)", sessionId, userId); err != nil {
return bail(http.StatusInternalServerError, err.Error())
}
if _, err = tx.Exec("DELETE FROM lnauth WHERE k1 = $1", query.K1); err != nil {
return bail(http.StatusInternalServerError, err.Error())
}
if err = tx.Commit(); err != nil {
return bail(http.StatusInternalServerError, err.Error())
}
return c.JSON(http.StatusOK, map[string]string{"status": "OK"})
}
}
func NostrAuth(sc context.Context, c echo.Context, action string) error {
return echo.NewHTTPError(http.StatusNotImplemented)
}
func HandleSessionCheck(sc context.Context) echo.HandlerFunc {
return func(c echo.Context) error {
var (
db = sc.Db
ctx = c.Request().Context()
cookie *http.Cookie
userId int
err error
)
if cookie, err = c.Cookie("session"); err != nil {
return c.JSON(http.StatusUnauthorized, "no session cookie")
}
if err = db.QueryRowContext(ctx,
"SELECT user_id FROM sessions WHERE id = $1", cookie.Value).
Scan(&userId); err != nil {
return c.JSON(http.StatusNotFound, "session not found")
}
// HTMX can't follow 302 redirects with a Location header
// it requires a HX-Location header and 200 response instead
// see https://github.com/bigskysoftware/htmx/issues/2052
c.Response().Header().Set("HX-Location", "/")
return c.JSON(http.StatusOK, nil)
}
}
func mapAction(action string) string {
// LNURL spec uses "register" but we want to show "signup" to the user
// see https://github.com/lnurl/luds/blob/luds/04.md
switch action {
case "register":
return "signup"
default:
return action
}
}
func HandleLogout(sc context.Context) echo.HandlerFunc {
return func(c echo.Context) error {
var (
db = sc.Db
ctx = c.Request().Context()
cookie *http.Cookie
sessionId string
err error
)
if cookie, err = c.Cookie("session"); err != nil {
// cookie not found
return c.JSON(http.StatusNotFound, "session not found")
}
sessionId = cookie.Value
if _, err = db.ExecContext(ctx,
"DELETE FROM sessions WHERE id = $1", sessionId); err != nil {
return err
}
// tell browser that cookie is expired and thus can be deleted
c.SetCookie(&http.Cookie{Name: "session", HttpOnly: true, Path: "/", Value: sessionId, Secure: true, Expires: time.Now()})
return c.Redirect(http.StatusSeeOther, "/")
// c.Response().Header().Set("HX-Location", "/")
// return c.JSON(http.StatusOK, nil)
}
}

51
server/router/handler/index.go
View File

@ -1,41 +1,46 @@
package handler
import (
"net/http"
"database/sql"
"git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages"
"git.ekzyis.com/ekzyis/delphi.market/types"
"github.com/labstack/echo/v4"
)
func HandleIndex(sc context.ServerContext) echo.HandlerFunc {
func HandleIndex(sc context.Context) echo.HandlerFunc {
return func(c echo.Context) error {
var (
markets []db.Market
db = sc.Db
ctx = c.Request().Context()
rows *sql.Rows
err error
data map[string]any
markets []types.Market
)
if err = sc.Db.FetchActiveMarkets(&markets); err != nil {
if rows, err = db.QueryContext(ctx, ""+
"SELECT m.id, m.question, m.description, m.created_at, m.end_date, "+
"u.id, u.name, u.created_at, u.ln_pubkey, u.nostr_pubkey, u.msats "+
"FROM markets m "+
"JOIN users u ON m.user_id = u.id "+
"JOIN invoices i ON m.invoice_id = i.id "+
"WHERE i.confirmed_at IS NOT NULL"); err != nil {
return err
}
data = map[string]any{
"session": c.Get("session"),
"markets": markets,
for rows.Next() {
var m types.Market
var u types.User
if err = rows.Scan(
&m.Id, &m.Question, &m.Description, &m.CreatedAt, &m.EndDate,
&u.Id, &u.Name, &u.CreatedAt, &u.LnPubkey, &u.NostrPubkey, &u.Msats); err != nil {
return err
}
m.User = u
markets = append(markets, m)
}
return sc.Render(c, http.StatusOK, "index.html", data)
}
}
func HandleMarkets(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
markets []db.Market
err error
)
if err = sc.Db.FetchActiveMarkets(&markets); err != nil {
return err
}
return c.JSON(http.StatusOK, markets)
return pages.Index(markets).Render(context.RenderContext(sc, c), c.Response().Writer)
}
}

135
server/router/handler/invoice.go
View File

@ -2,109 +2,68 @@ package handler
import (
"database/sql"
"fmt"
"net/http"
"regexp"
"time"
"git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/lib"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
"git.ekzyis.com/ekzyis/delphi.market/types"
"github.com/a-h/templ"
"github.com/labstack/echo/v4"
"github.com/lightningnetwork/lnd/lntypes"
)
func HandleInvoiceStatus(sc context.ServerContext) echo.HandlerFunc {
func HandleInvoice(sc context.Context) echo.HandlerFunc {
return func(c echo.Context) error {
var (
invoiceId string
invoice db.Invoice
u db.User
qr string
err error
db = sc.Db
ctx = c.Request().Context()
hash = c.Param("hash")
u = c.Get("session").(types.User)
inv = types.Invoice{}
expiresIn int
paid bool
redirectUrl templ.SafeURL
qr templ.Component
err error
)
invoiceId = c.Param("id")
if err = sc.Db.FetchInvoice(&db.FetchInvoiceWhere{Id: invoiceId}, &invoice); err == sql.ErrNoRows {
if err = db.QueryRowContext(ctx, ""+
"SELECT user_id, msats, COALESCE(msats_received, 0), expires_at, confirmed_at, bolt11, COALESCE(description, '') "+
"FROM invoices "+
"WHERE hash = $1", hash).
Scan(&inv.UserId, &inv.Msats, &inv.MsatsReceived, &inv.ExpiresAt, &inv.ConfirmedAt, &inv.Bolt11, &inv.Description); err != nil {
if err == sql.ErrNoRows {
return echo.NewHTTPError(http.StatusNotFound)
}
c.Logger().Error(err)
return echo.NewHTTPError(http.StatusInternalServerError)
}
if u.Id != inv.UserId {
return echo.NewHTTPError(http.StatusNotFound)
} else if err != nil {
return err
}
if u = c.Get("session").(db.User); invoice.Pubkey != u.Pubkey {
return echo.NewHTTPError(http.StatusUnauthorized)
}
if qr, err = lib.ToQR(invoice.PaymentRequest); err != nil {
return err
}
invoice.Preimage = ""
data := map[string]any{
"Id": invoice.Id,
"Msats": invoice.Msats,
"MsatsReceived": invoice.MsatsReceived,
"Hash": invoice.Hash,
"PaymentRequest": invoice.PaymentRequest,
"CreatedAt": invoice.CreatedAt,
"ExpiresAt": invoice.ExpiresAt,
"ConfirmedAt": invoice.ConfirmedAt,
"HeldSince": invoice.HeldSince,
"Description": invoice.Description,
"Qr": qr,
}
return c.JSON(http.StatusOK, data)
expiresIn = int(time.Until(inv.ExpiresAt).Seconds())
paid = inv.MsatsReceived >= inv.Msats
redirectUrl = toRedirectUrl(inv.Description)
qr = components.Invoice(hash, inv.Bolt11, int(inv.Msats), expiresIn, paid, redirectUrl)
return components.Modal(qr).Render(context.RenderContext(sc, c), c.Response().Writer)
}
}
func HandleInvoice(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
invoiceId string
invoice db.Invoice
u db.User
hash lntypes.Hash
qr string
status string
err error
)
invoiceId = c.Param("id")
if err = sc.Db.FetchInvoice(&db.FetchInvoiceWhere{Id: invoiceId}, &invoice); err == sql.ErrNoRows {
return echo.NewHTTPError(http.StatusNotFound)
} else if err != nil {
return err
}
if u = c.Get("session").(db.User); invoice.Pubkey != u.Pubkey {
return echo.NewHTTPError(http.StatusUnauthorized)
}
if hash, err = lntypes.MakeHashFromStr(invoice.Hash); err != nil {
return err
}
go sc.Lnd.CheckInvoice(sc.Db, hash)
if qr, err = lib.ToQR(invoice.PaymentRequest); err != nil {
return err
}
if invoice.ConfirmedAt.Valid {
status = "Paid"
} else if time.Now().After(invoice.ExpiresAt) {
status = "Expired"
}
data := map[string]any{
"session": c.Get("session"),
"invoice": invoice,
"status": status,
"lnurl": invoice.PaymentRequest,
"qr": qr,
}
return sc.Render(c, http.StatusOK, "invoice.html", data)
}
}
var (
marketRegexp = regexp.MustCompile("^create market (?P<id>[0-9]+)$")
)
func HandleInvoices(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
u db.User
invoices []db.Invoice
err error
)
u = c.Get("session").(db.User)
if err = sc.Db.FetchUserInvoices(u.Pubkey, &invoices); err != nil {
return err
}
return c.JSON(http.StatusOK, invoices)
func toRedirectUrl(description string) templ.SafeURL {
var m []string
if m = marketRegexp.FindStringSubmatch(description); m != nil {
marketId := m[marketRegexp.SubexpIndex("id")]
return templ.SafeURL(fmt.Sprintf("/market/%s", marketId))
}
return "/"
}

304
server/router/handler/lnauth_test.go Normal file
View File

@ -0,0 +1,304 @@
package handler_test
import (
"encoding/hex"
"fmt"
"net/http"
"net/http/httptest"
"testing"
"git.ekzyis.com/ekzyis/delphi.market/server/auth"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/server/router/handler"
"git.ekzyis.com/ekzyis/delphi.market/test"
"github.com/decred/dcrd/dcrec/secp256k1/v4"
"github.com/labstack/echo/v4"
"github.com/stretchr/testify/assert"
)
func init() {
test.Init(&db)
}
func TestLnAuthSignup(t *testing.T) {
var (
assert = assert.New(t)
sc = context.Context{Db: db}
e *echo.Echo
c echo.Context
req *http.Request
rec *httptest.ResponseRecorder
cookies []*http.Cookie
sessionId string
dbSessionId string
err error
)
e, req, rec = test.HTTPMocks("GET", "/signup/lightning", nil)
c = e.NewContext(req, rec)
c.SetParamNames("method")
c.SetParamValues("lightning")
handler.HandleAuth(sc, "register")(c)
assert.Equal(http.StatusOK, rec.Code, "wrong status code")
// Set-Cookie header present
cookies = rec.Result().Cookies()
assert.Equal(1, len(cookies), "wrong number of Set-Cookie headers")
assert.Equal("session", cookies[0].Name, "wrong cookie name")
// new challenge inserted which matches cookie value
sessionId = cookies[0].Value
err = db.QueryRow("SELECT session_id FROM lnauth WHERE session_id = $1", sessionId).Scan(&dbSessionId)
assert.NoError(err)
assert.Equal(sessionId, dbSessionId, "wrong session id")
}
func TestLnAuthSignupCallbackUserNotExists(t *testing.T) {
var (
assert = assert.New(t)
e *echo.Echo
c echo.Context
sc context.Context
req *http.Request
rec *httptest.ResponseRecorder
lnAuth *auth.LnAuth
sk *secp256k1.PrivateKey
pk *secp256k1.PublicKey
sig string
key string
sessionId string
userId int
count int
err error
)
lnAuth, err = auth.NewLnAuth("register")
assert.NoErrorf(err, "error creating challenge")
err = db.QueryRow(
"INSERT INTO lnauth(k1, lnurl) VALUES($1, $2) RETURNING session_id",
lnAuth.K1, lnAuth.LNURL).Scan(&sessionId)
assert.NoError(err, "error creating challenge")
sk, pk, err = test.GenerateKeyPair()
assert.NoError(err, "error generating keypair")
sig, err = test.Sign(sk, lnAuth.K1)
assert.NoError(err, "error signing k1")
key = hex.EncodeToString(pk.SerializeCompressed())
sc = context.Context{Db: db}
e, req, rec = test.HTTPMocks(
"GET",
fmt.Sprintf("/api/lnauth?tag=login&k1=%s&key=%s&sig=%s&action=%s", lnAuth.K1, key, sig, "register"),
nil)
c = e.NewContext(req, rec)
handler.HandleLnAuthCallback(sc)(c)
assert.Equal(http.StatusOK, rec.Code, "wrong status code")
// user created
err = db.QueryRow("SELECT id FROM users WHERE ln_pubkey = $1", key).Scan(&userId)
assert.NoError(err, "error fetching user")
// session created
err = db.QueryRow("SELECT COUNT(1) FROM sessions WHERE id = $1 AND user_id = $2", sessionId, userId).Scan(&count)
assert.NoError(err, "error fetching session")
assert.Equal(1, count, "invalid session count")
// challenge deleted
err = db.QueryRow("SELECT COUNT(1) FROM lnauth WHERE k1 = $1", lnAuth.K1).Scan(&count)
assert.NoError(err, "error fetching challenge")
assert.Equal(count, 0, "challenge not deleted")
}
func TestLnAuthSignupCallbackUserExists(t *testing.T) {
var (
assert = assert.New(t)
e *echo.Echo
c echo.Context
sc context.Context
req *http.Request
rec *httptest.ResponseRecorder
lnAuth *auth.LnAuth
sk *secp256k1.PrivateKey
pk *secp256k1.PublicKey
sig string
key string
sessionId string
err error
)
lnAuth, err = auth.NewLnAuth("register")
assert.NoErrorf(err, "error creating challenge")
err = db.QueryRow(
"INSERT INTO lnauth(k1, lnurl) VALUES($1, $2) RETURNING session_id",
lnAuth.K1, lnAuth.LNURL).Scan(&sessionId)
assert.NoError(err, "error creating challenge")
sk, pk, err = test.GenerateKeyPair()
assert.NoError(err, "error generating keypair")
sig, err = test.Sign(sk, lnAuth.K1)
assert.NoError(err, "error signing k1")
key = hex.EncodeToString(pk.SerializeCompressed())
// create user before signup
_, err = db.Exec("INSERT INTO users(ln_pubkey) VALUES($1) RETURNING id", key)
assert.NoError(err, "error creating user")
sc = context.Context{Db: db}
e, req, rec = test.HTTPMocks(
"GET",
fmt.Sprintf("/api/lnauth?tag=login&k1=%s&key=%s&sig=%s&action=%s", lnAuth.K1, key, sig, "register"),
nil)
c = e.NewContext(req, rec)
// does not throw an error for UX reasons
handler.HandleLnAuthCallback(sc)(c)
assert.Equal(http.StatusOK, rec.Code, "wrong status code")
}
func TestLnAuthLogin(t *testing.T) {
var (
assert = assert.New(t)
sc = context.Context{Db: db}
e *echo.Echo
c echo.Context
req *http.Request
rec *httptest.ResponseRecorder
cookies []*http.Cookie
sessionId string
dbSessionId string
err error
)
e, req, rec = test.HTTPMocks("GET", "/login/lightning", nil)
c = e.NewContext(req, rec)
c.SetParamNames("method")
c.SetParamValues("lightning")
err = handler.HandleAuth(sc, "login")(c)
assert.NoError(err, "handler returned error")
// Set-Cookie header present
cookies = rec.Result().Cookies()
assert.Equal(len(cookies), 1, "wrong number of Set-Cookie headers")
assert.Equal("session", cookies[0].Name, "wrong cookie name")
// new challenge inserted which matches cookie value
sessionId = cookies[0].Value
err = db.QueryRow("SELECT session_id FROM lnauth WHERE session_id = $1", sessionId).Scan(&dbSessionId)
assert.NoError(err)
assert.Equal(sessionId, dbSessionId, "wrong session id")
}
func TestLnAuthLoginCallbackUserNotExists(t *testing.T) {
var (
assert = assert.New(t)
e *echo.Echo
c echo.Context
sc context.Context
req *http.Request
rec *httptest.ResponseRecorder
lnAuth *auth.LnAuth
sk *secp256k1.PrivateKey
pk *secp256k1.PublicKey
sig string
key string
sessionId string
err error
)
lnAuth, err = auth.NewLnAuth("login")
assert.NoErrorf(err, "error creating challenge")
err = db.QueryRow(
"INSERT INTO lnauth(k1, lnurl) VALUES($1, $2) RETURNING session_id",
lnAuth.K1, lnAuth.LNURL).Scan(&sessionId)
assert.NoError(err, "error creating challenge")
sk, pk, err = test.GenerateKeyPair()
assert.NoError(err, "error generating keypair")
sig, err = test.Sign(sk, lnAuth.K1)
assert.NoError(err, "error signing k1")
key = hex.EncodeToString(pk.SerializeCompressed())
sc = context.Context{Db: db}
e, req, rec = test.HTTPMocks(
"GET",
fmt.Sprintf("/api/lnauth?tag=login&k1=%s&key=%s&sig=%s&action=%s", lnAuth.K1, key, sig, "login"),
nil)
c = e.NewContext(req, rec)
// must throw error because user does not exist
handler.HandleLnAuthCallback(sc)(c)
assert.Equal(http.StatusNotFound, rec.Code, "wrong status code")
assert.Contains(rec.Body.String(), "\"reason\":\"user not found\"", "user check failed")
}
func TestLnAuthLoginCallbackUserExists(t *testing.T) {
var (
assert = assert.New(t)
e *echo.Echo
c echo.Context
sc context.Context
req *http.Request
rec *httptest.ResponseRecorder
lnAuth *auth.LnAuth
sk *secp256k1.PrivateKey
pk *secp256k1.PublicKey
sig string
key string
sessionId string
userId int
count int
err error
)
lnAuth, err = auth.NewLnAuth("login")
assert.NoErrorf(err, "error creating challenge")
err = db.QueryRow(
"INSERT INTO lnauth(k1, lnurl) VALUES($1, $2) RETURNING session_id",
lnAuth.K1, lnAuth.LNURL).Scan(&sessionId)
assert.NoError(err, "error creating challenge")
sk, pk, err = test.GenerateKeyPair()
assert.NoError(err, "error generating keypair")
sig, err = test.Sign(sk, lnAuth.K1)
assert.NoError(err, "error signing k1")
key = hex.EncodeToString(pk.SerializeCompressed())
// create user such that login does not fail
err = db.QueryRow("INSERT INTO users(ln_pubkey) VALUES($1) RETURNING id", key).Scan(&userId)
assert.NoError(err, "error creating user")
sc = context.Context{Db: db}
e, req, rec = test.HTTPMocks(
"GET",
fmt.Sprintf("/api/lnauth?tag=login&k1=%s&key=%s&sig=%s&action=%s", lnAuth.K1, key, sig, "login"),
nil)
c = e.NewContext(req, rec)
handler.HandleLnAuthCallback(sc)(c)
assert.Equal(http.StatusOK, rec.Code, "wrong status code")
// session created
err = db.QueryRow("SELECT COUNT(1) FROM sessions WHERE id = $1 AND user_id = $2", sessionId, userId).Scan(&count)
assert.NoError(err, "error fetching session")
assert.Equal(1, count, "invalid session count")
// challenge deleted
err = db.QueryRow("SELECT COUNT(1) FROM lnauth WHERE k1 = $1", lnAuth.K1).Scan(&count)
assert.NoError(err, "error fetching challenge")
assert.Equal(count, 0, "challenge not deleted")
}

75
server/router/handler/login.go
View File

@ -1,75 +0,0 @@
package handler
import (
"database/sql"
"net/http"
"time"
"git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/lib"
"git.ekzyis.com/ekzyis/delphi.market/server/auth"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"github.com/labstack/echo/v4"
)
func HandleLogin(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
lnAuth *auth.LNAuth
dbLnAuth db.LNAuth
err error
expires time.Time = time.Now().Add(60 * 60 * 24 * 365 * time.Second)
qr string
data map[string]any
)
if lnAuth, err = auth.NewLNAuth(); err != nil {
return err
}
dbLnAuth = db.LNAuth{K1: lnAuth.K1, LNURL: lnAuth.LNURL}
if err = sc.Db.CreateLNAuth(&dbLnAuth); err != nil {
return err
}
c.SetCookie(&http.Cookie{Name: "session", HttpOnly: true, Path: "/", Value: dbLnAuth.SessionId, Secure: true, Expires: expires})
if qr, err = lib.ToQR(lnAuth.LNURL); err != nil {
return err
}
data = map[string]any{
"lnurl": lnAuth.LNURL,
"qr": qr,
}
return c.JSON(http.StatusOK, data)
}
}
func HandleLoginCallback(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
query auth.LNAuthResponse
sessionId string
err error
)
if err := c.Bind(&query); err != nil {
return echo.NewHTTPError(http.StatusBadRequest)
}
if err = sc.Db.FetchSessionId(query.K1, &sessionId); err == sql.ErrNoRows {
return echo.NewHTTPError(http.StatusNotFound, map[string]string{"reason": "session not found"})
} else if err != nil {
return err
}
if ok, err := auth.VerifyLNAuth(&query); err != nil {
return err
} else if !ok {
return echo.NewHTTPError(http.StatusBadRequest, map[string]string{"reason": "bad signature"})
}
if err = sc.Db.CreateUser(&db.User{Pubkey: query.Key}); err != nil {
return err
}
if err = sc.Db.CreateSession(&db.Session{Pubkey: query.Key, SessionId: sessionId}); err != nil {
return err
}
if err = sc.Db.DeleteLNAuth(&db.LNAuth{K1: query.K1}); err != nil {
return err
}
return c.JSON(http.StatusOK, map[string]string{"status": "OK"})
}
}

123
server/router/handler/login_test.go
View File

@ -1,123 +0,0 @@
package handler_test
import (
"database/sql"
"encoding/hex"
"fmt"
"net/http"
"net/http/httptest"
"testing"
db_ "git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/server/auth"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/server/router/handler"
"git.ekzyis.com/ekzyis/delphi.market/test"
"github.com/decred/dcrd/dcrec/secp256k1/v4"
"github.com/labstack/echo/v4"
"github.com/stretchr/testify/assert"
)
func init() {
test.Init(&db)
}
func TestLogin(t *testing.T) {
var (
assert = assert.New(t)
e *echo.Echo
c echo.Context
sc context.ServerContext
req *http.Request
rec *httptest.ResponseRecorder
cookies []*http.Cookie
sessionId string
dbSessionId string
err error
)
sc = context.ServerContext{Db: db}
e, req, rec = test.HTTPMocks("GET", "/login", nil)
c = e.NewContext(req, rec)
err = handler.HandleLogin(sc)(c)
assert.NoErrorf(err, "handler returned error")
// Set-Cookie header present
cookies = rec.Result().Cookies()
assert.Equalf(len(cookies), 1, "wrong number of Set-Cookie headers")
assert.Equalf(cookies[0].Name, "session", "wrong cookie name")
// new challenge inserted
sessionId = cookies[0].Value
err = db.QueryRow("SELECT session_id FROM lnauth WHERE session_id = $1", sessionId).Scan(&dbSessionId)
if !assert.NoError(err) {
return
}
// inserted challenge matches cookie value
assert.Equalf(sessionId, dbSessionId, "wrong session id")
}
func TestLoginCallback(t *testing.T) {
var (
assert = assert.New(t)
e *echo.Echo
c echo.Context
sc context.ServerContext
req *http.Request
rec *httptest.ResponseRecorder
sk *secp256k1.PrivateKey
pk *secp256k1.PublicKey
lnAuth *auth.LNAuth
dbLnAuth *db_.LNAuth
u *db_.User
s *db_.Session
key string
sig string
err error
)
lnAuth, err = auth.NewLNAuth()
if !assert.NoErrorf(err, "error creating challenge") {
return
}
dbLnAuth = &db_.LNAuth{K1: lnAuth.K1, LNURL: lnAuth.LNURL}
err = db.CreateLNAuth(dbLnAuth)
if !assert.NoErrorf(err, "error inserting challenge") {
return
}
sk, pk, err = test.GenerateKeyPair()
if !assert.NoErrorf(err, "error generating keypair") {
return
}
sig, err = test.Sign(sk, lnAuth.K1)
if !assert.NoErrorf(err, "error signing k1") {
return
}
key = hex.EncodeToString(pk.SerializeCompressed())
sc = context.ServerContext{Db: db}
e, req, rec = test.HTTPMocks("GET", fmt.Sprintf("/api/login?k1=%s&key=%s&sig=%s", lnAuth.K1, key, sig), nil)
c = e.NewContext(req, rec)
err = handler.HandleLoginCallback(sc)(c)
assert.NoErrorf(err, "handler returned error")
// user created
u = new(db_.User)
err = db.FetchUser(key, u)
if assert.NoErrorf(err, "error fetching user") {
assert.Equalf(u.Pubkey, key, "pubkeys do not match")
}
// session created
s = &db_.Session{SessionId: dbLnAuth.SessionId}
err = db.FetchSession(s)
if assert.NoErrorf(err, "error fetching session") {
assert.Equalf(s.Pubkey, u.Pubkey, "session pubkey does not match user pubkey")
}
// challenge deleted
err = db.FetchSessionId(u.Pubkey, &dbLnAuth.SessionId)
assert.ErrorIs(err, sql.ErrNoRows, "challenge not deleted")
}

31
server/router/handler/logout.go
View File

@ -1,31 +0,0 @@
package handler
import (
"net/http"
"time"
"git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"github.com/labstack/echo/v4"
)
func HandleLogout(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
cookie *http.Cookie
sessionId string
err error
)
if cookie, err = c.Cookie("session"); err != nil {
// cookie not found
return c.JSON(http.StatusNotFound, map[string]string{"reason": "session not found"})
}
sessionId = cookie.Value
if err = sc.Db.DeleteSession(&db.Session{SessionId: sessionId}); err != nil {
return err
}
// tell browser that cookie is expired and thus can be deleted
c.SetCookie(&http.Cookie{Name: "session", HttpOnly: true, Path: "/", Value: sessionId, Secure: true, Expires: time.Now()})
return c.JSON(http.StatusSeeOther, map[string]string{"status": "OK"})
}
}

59
server/router/handler/logout_test.go
View File

@ -1,20 +1,9 @@
package handler_test
import (
"database/sql"
"encoding/hex"
"fmt"
"net/http"
"net/http/httptest"
"testing"
db_ "git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/server/router/handler"
"git.ekzyis.com/ekzyis/delphi.market/test"
"github.com/decred/dcrd/dcrec/secp256k1/v4"
"github.com/labstack/echo/v4"
"github.com/stretchr/testify/assert"
)
func init() {
@ -22,51 +11,5 @@ func init() {
}
func TestLogout(t *testing.T) {
var (
assert = assert.New(t)
e *echo.Echo
c echo.Context
sc context.ServerContext
req *http.Request
rec *httptest.ResponseRecorder
pk *secp256k1.PublicKey
s *db_.Session
key string
err error
)
sc = context.ServerContext{Db: db}
e, req, rec = test.HTTPMocks("POST", "/logout", nil)
_, pk, err = test.GenerateKeyPair()
if !assert.NoErrorf(err, "error generating keypair") {
return
}
key = hex.EncodeToString(pk.SerializeCompressed())
err = sc.Db.CreateUser(&db_.User{Pubkey: key})
if !assert.NoErrorf(err, "error creating user") {
return
}
s = &db_.Session{Pubkey: key}
err = sc.Db.QueryRow("SELECT encode(gen_random_uuid()::text::bytea, 'base64')").Scan(&s.SessionId)
if !assert.NoErrorf(err, "error creating session id") {
return
}
// create session
err = sc.Db.CreateSession(s)
if !assert.NoErrorf(err, "error creating session") {
return
}
// session authentication via cookie
req.Header.Add("cookie", fmt.Sprintf("session=%s", s.SessionId))
c = e.NewContext(req, rec)
err = handler.HandleLogout(sc)(c)
assert.NoErrorf(err, "handler returned error")
// session must have been deleted
err = sc.Db.FetchSession(s)
assert.ErrorIsf(err, sql.ErrNoRows, "session not deleted")
t.Skip()
}

516
server/router/handler/market.go
View File

@ -1,475 +1,117 @@
package handler
import (
context_ "context"
"database/sql"
"fmt"
"net/http"
"strconv"
"strings"
"time"
"git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/lib"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages"
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
"git.ekzyis.com/ekzyis/delphi.market/types"
"github.com/a-h/templ"
"github.com/labstack/echo/v4"
"github.com/lightningnetwork/lnd/lnrpc/invoicesrpc"
"github.com/lightningnetwork/lnd/lntypes"
"github.com/lightningnetwork/lnd/lnwire"
)
func HandleMarket(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
marketId int64
market db.Market
shares []db.Share
orders []db.Order
err error
data map[string]any
u db.User
tx *sql.Tx
)
if marketId, err = strconv.ParseInt(c.Param("id"), 10, 64); err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "Bad Request")
}
if err = sc.Db.FetchMarket(int(marketId), &market); err == sql.ErrNoRows {
return echo.NewHTTPError(http.StatusNotFound, "Not Found")
} else if err != nil {
return err
}
if err = sc.Db.FetchShares(market.Id, &shares); err != nil {
return err
}
if err = sc.Db.FetchOrders(&db.FetchOrdersWhere{MarketId: market.Id, Confirmed: true}, &orders); err != nil {
return err
}
data = map[string]any{
"Id": market.Id,
"Pubkey": market.Pubkey,
"Description": market.Description,
"SettledAt": market.SettledAt,
"Shares": shares,
}
if session := c.Get("session"); session != nil {
u = session.(db.User)
ctx, cancel := context_.WithTimeout(context_.TODO(), 10*time.Second)
defer cancel()
if tx, err = sc.Db.BeginTx(ctx, nil); err != nil {
return err
}
defer tx.Commit()
uBalance := make(map[string]any)
if err = sc.Db.FetchUserBalance(tx, ctx, int(marketId), u.Pubkey, &uBalance); err != nil {
tx.Rollback()
return err
}
lib.Merge(&data, &map[string]any{"user": uBalance})
}
return c.JSON(http.StatusOK, data)
}
}
func HandleCreateMarket(sc context.ServerContext) echo.HandlerFunc {
func HandleCreate(sc context.Context) echo.HandlerFunc {
return func(c echo.Context) error {
var (
db = sc.Db
lnd = sc.Lnd
tx *sql.Tx
u db.User
m db.Market
invoice *db.Invoice
msats int64
invDescription string
data map[string]any
qr string
ctx = c.Request().Context()
u = c.Get("session").(types.User)
question = c.FormValue("question")
description = c.FormValue("description")
endDate = c.FormValue("end_date")
hash lntypes.Hash
paymentRequest string
cost = lnwire.MilliSatoshi(1000e3)
expiry = int64(600)
expiresAt = time.Now().Add(time.Second * time.Duration(expiry))
invoiceId int
marketId int
invDescription string
qr templ.Component
err error
)
if err := c.Bind(&m); err != nil {
return echo.NewHTTPError(http.StatusBadRequest)
}
// TODO: validation
// transaction start
ctx, cancel := context_.WithTimeout(c.Request().Context(), 5*time.Second)
defer cancel()
if tx, err = sc.Db.BeginTx(ctx, nil); err != nil {
return err
}
defer tx.Commit()
u = c.Get("session").(db.User)
m.Pubkey = u.Pubkey
msats = 1000
// TODO: add [market:<id>] for redirect after payment
invDescription = fmt.Sprintf("create market \"%s\"", m.Description)
if invoice, err = sc.Lnd.CreateInvoice(tx, ctx, sc.Db, u.Pubkey, msats, invDescription); err != nil {
tx.Rollback()
return err
}
if qr, err = lib.ToQR(invoice.PaymentRequest); err != nil {
tx.Rollback()
return err
}
if hash, err = lntypes.MakeHashFromStr(invoice.Hash); err != nil {
tx.Rollback()
return err
}
m.InvoiceId = invoice.Id
if err := sc.Db.CreateMarket(tx, ctx, &m); err != nil {
tx.Rollback()
if tx, err = db.BeginTx(ctx, &sql.TxOptions{Isolation: sql.LevelReadCommitted}); err != nil {
return err
}
// need to commit before starting to poll invoice status
tx.Commit()
go sc.Lnd.CheckInvoice(sc.Db, hash)
data = map[string]any{
"id": invoice.Id,
"bolt11": invoice.PaymentRequest,
"amount": msats,
"qr": qr,
if hash, paymentRequest, err = lnd.Client.AddInvoice(ctx,
&invoicesrpc.AddInvoiceData{
Value: cost,
Expiry: expiry,
}); err != nil {
return err
}
return c.JSON(http.StatusPaymentRequired, data)
if err = tx.QueryRowContext(ctx, ""+
"INSERT INTO invoices (user_id, msats, hash, bolt11, expires_at) "+
"VALUES ($1, $2, $3, $4, $5) "+
"RETURNING id",
u.Id, cost, hash.String(), paymentRequest, expiresAt).Scan(&invoiceId); err != nil {
return err
}
if err = tx.QueryRowContext(ctx, ""+
"INSERT INTO markets (question, description, end_date, user_id, invoice_id) "+
"VALUES ($1, $2, $3, $4, $5) "+
"RETURNING id",
question, description, endDate, u.Id, invoiceId).Scan(&marketId); err != nil {
return err
}
invDescription = fmt.Sprintf("create market %d", marketId)
if _, err = tx.ExecContext(ctx, ""+
"UPDATE invoices SET description = $1 WHERE id = $2",
invDescription, invoiceId); err != nil {
return err
}
if err = tx.Commit(); err != nil {
return err
}
qr = components.Invoice(hash.String(), paymentRequest, int(cost), int(expiry), false, toRedirectUrl(invDescription))
return components.Modal(qr).Render(context.RenderContext(sc, c), c.Response().Writer)
}
}
func HandleMarketOrders(sc context.ServerContext) echo.HandlerFunc {
func HandleMarket(sc context.Context) echo.HandlerFunc {
return func(c echo.Context) error {
var (
marketId int64
orders []db.Order
err error
)
if marketId, err = strconv.ParseInt(c.Param("id"), 10, 64); err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "Bad Request")
}
if err = sc.Db.FetchMarketOrders(marketId, &orders); err != nil {
return err
}
return c.JSON(http.StatusOK, orders)
}
}
func HandleOrder(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
tx *sql.Tx
u db.User
o db.Order
s db.Share
m db.Market
invoice *db.Invoice
msats int64
description string
data map[string]any
qr string
hash lntypes.Hash
err error
)
if err := c.Bind(&o); err != nil {
return echo.NewHTTPError(http.StatusBadRequest)
}
u = c.Get("session").(db.User)
o.Pubkey = u.Pubkey
msats = o.Quantity * o.Price * 1000
// transaction start
ctx, cancel := context_.WithTimeout(c.Request().Context(), 5*time.Second)
defer cancel()
if tx, err = sc.Db.BeginTx(ctx, nil); err != nil {
return err
}
defer tx.Commit()
if err = sc.Db.FetchShare(tx, ctx, o.ShareId, &s); err != nil {
tx.Rollback()
return err
}
if err = sc.Db.FetchMarket(s.MarketId, &m); err == sql.ErrNoRows {
return c.JSON(http.StatusNotFound, nil)
} else if err != nil {
return err
}
if m.SettledAt.Valid {
return c.JSON(http.StatusBadRequest, map[string]string{"reason": "market already settled"})
}
description = fmt.Sprintf("%s %d %s shares @ %d sats [market:%d]", strings.ToUpper(o.Side), o.Quantity, s.Description, o.Price, s.MarketId)
if o.Side == "BUY" {
// BUY orders require payment
if invoice, err = sc.Lnd.CreateInvoice(tx, ctx, sc.Db, o.Pubkey, msats, description); err != nil {
tx.Rollback()
return err
}
// Create QR code to pay HODL invoice
if qr, err = lib.ToQR(invoice.PaymentRequest); err != nil {
tx.Rollback()
return err
}
if hash, err = lntypes.MakeHashFromStr(invoice.Hash); err != nil {
tx.Rollback()
return err
}
// Create (unconfirmed) order
o.InvoiceId.String = invoice.Id
if err := sc.Db.CreateOrder(tx, ctx, &o); err != nil {
tx.Rollback()
return err
}
// need to commit before starting to poll invoice status
tx.Commit()
go sc.Lnd.CheckInvoice(sc.Db, hash)
data = map[string]any{
"id": invoice.Id,
"bolt11": invoice.PaymentRequest,
"amount": msats,
"qr": qr,
}
return c.JSON(http.StatusPaymentRequired, data)
}
// sell order: check user balance
balance := make(map[string]any)
if err = sc.Db.FetchUserBalance(tx, ctx, s.MarketId, o.Pubkey, &balance); err != nil {
return err
}
if balance[s.Description].(int) < int(o.Quantity) {
tx.Rollback()
return c.JSON(http.StatusBadRequest, nil)
}
// SELL orders don't require payment by user
if err := sc.Db.CreateOrder(tx, ctx, &o); err != nil {
tx.Rollback()
return err
}
tx.Commit()
return c.JSON(http.StatusCreated, nil)
}
}
func HandleDeleteOrder(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
orderId string
tx *sql.Tx
u db.User
o db.Order
msats int64
err error
db = sc.Db
ctx = c.Request().Context()
id = c.Param("id")
m = types.Market{}
u = types.User{}
err error
)
if orderId = c.Param("id"); orderId == "" {
return echo.NewHTTPError(http.StatusBadRequest)
}
u = c.Get("session").(db.User)
// transaction start
ctx, cancel := context_.WithTimeout(c.Request().Context(), 5*time.Second)
defer cancel()
if tx, err = sc.Db.BeginTx(ctx, nil); err != nil {
return err
}
defer tx.Commit()
if err = sc.Db.FetchOrder(tx, ctx, orderId, &o); err != nil {
tx.Rollback()
return err
}
if u.Pubkey != o.Pubkey {
// order does not belong to user
tx.Rollback()
return echo.NewHTTPError(http.StatusForbidden)
}
if o.OrderId.Valid {
// order already settled
tx.Rollback()
return echo.NewHTTPError(http.StatusBadRequest)
}
if o.DeletedAt.Valid {
// order already deleted
tx.Rollback()
return echo.NewHTTPError(http.StatusBadRequest)
}
if o.Invoice.ConfirmedAt.Valid {
// order already paid: we need to move paid sats to user balance before deleting the order
// TODO update order and session on client
msats = o.Invoice.MsatsReceived
if res, err := tx.ExecContext(ctx, "UPDATE users SET msats = msats + $1 WHERE pubkey = $2", msats, u.Pubkey); err != nil {
tx.Rollback()
return err
} else {
// make sure exactly one row was affected
if rowsAffected, err := res.RowsAffected(); err != nil {
tx.Rollback()
return err
} else if rowsAffected != 1 {
tx.Rollback()
return echo.NewHTTPError(http.StatusInternalServerError)
}
if err = db.QueryRowContext(ctx, ""+
"SELECT m.id, m.question, m.description, m.created_at, m.end_date, "+
"u.id, u.name, u.created_at, u.ln_pubkey, u.nostr_pubkey, msats "+
"FROM markets m JOIN users u ON m.user_id = u.id "+
"WHERE m.id = $1", id).Scan(
&m.Id, &m.Question, &m.Description, &m.CreatedAt, &m.EndDate,
&u.Id, &u.Name, &u.CreatedAt, &u.LnPubkey, &u.NostrPubkey, &u.Msats); err != nil {
if err == sql.ErrNoRows {
return echo.NewHTTPError(http.StatusNotFound)
}
}
if _, err = tx.ExecContext(ctx, "UPDATE orders SET deleted_at = CURRENT_TIMESTAMP WHERE id = $1", o.Id); err != nil {
tx.Rollback()
return err
}
tx.Commit()
m.User = u
return c.JSON(http.StatusOK, nil)
}
}
func HandleOrders(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
u db.User
orders []db.Order
err error
)
u = c.Get("session").(db.User)
if err = sc.Db.FetchUserOrders(u.Pubkey, &orders); err != nil {
return err
}
return c.JSON(http.StatusOK, orders)
}
}
func HandleMarketStats(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
marketId int64
stats db.MarketStats
err error
)
if marketId, err = strconv.ParseInt(c.Param("id"), 10, 64); err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "Bad Request")
}
if err = sc.Db.FetchMarketStats(marketId, &stats); err != nil {
return err
}
return c.JSON(http.StatusOK, stats)
}
}
func HandleMarketSettlement(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
marketId int64
market db.Market
s db.Share
tx *sql.Tx
u db.User
query string
err error
)
if marketId, err = strconv.ParseInt(c.Param("id"), 10, 64); err != nil {
return c.JSON(http.StatusBadRequest, nil)
}
if err = c.Bind(&s); err != nil || s.Id == "" {
return c.JSON(http.StatusBadRequest, nil)
}
if err = sc.Db.FetchMarket(int(marketId), &market); err == sql.ErrNoRows {
return c.JSON(http.StatusNotFound, map[string]string{"reason": "market not found"})
} else if err != nil {
return err
}
u = c.Get("session").(db.User)
// only market owner can settle market
if market.Pubkey != u.Pubkey {
return c.JSON(http.StatusForbidden, map[string]string{"reason": "not your market"})
}
// market already settled?
if market.SettledAt.Valid {
return c.JSON(http.StatusBadRequest, map[string]string{"reason": "market already settled"})
}
// transaction start
ctx, cancel := context_.WithTimeout(c.Request().Context(), 10*time.Second)
defer cancel()
if tx, err = sc.Db.BeginTx(ctx, nil); err != nil {
return err
}
defer tx.Commit()
// refund users for pending BUY orders
query = "" +
"UPDATE users u SET msats = msats + pending_orders.msats_received FROM ( " +
" SELECT o.pubkey, i.msats_received " +
" FROM orders o " +
" LEFT JOIN invoices i ON i.id = o.invoice_id " +
" JOIN shares s ON s.id = o.share_id " +
" WHERE s.market_id = $1 " +
// an order is pending if it wasn't canceled and wasn't matched yet
// (the o.side = 'BUY' shouldn't be necessary since i.msats_received will be NULL for SELL orders anyway
// but added here for clarification anyway)
" AND o.side = 'BUY' AND o.deleted_at IS NULL AND o.order_id IS NULL " +
") AS pending_orders WHERE pending_orders.pubkey = u.pubkey"
if _, err = tx.ExecContext(ctx, query, marketId); err != nil {
tx.Rollback()
return err
}
// now cancel pending orders
query = "" +
"UPDATE orders o SET deleted_at = CURRENT_TIMESTAMP WHERE id IN ( " +
// basically same subquery as above
" SELECT o.id FROM orders o " +
" JOIN shares s ON s.id = o.share_id " +
// again, orders are pending if they weren't canceled and weren't matched yet
" WHERE s.market_id = $1 AND o.deleted_at IS NULL and o.order_id IS NULL " +
")"
if _, err = tx.ExecContext(ctx, query, marketId); err != nil {
tx.Rollback()
return err
}
// payout
query = "" +
// * 100 since winning shares expire at 100 sats per share
// * 1000 to convert sats to msats
"UPDATE users u SET msats = msats + (user_shares.quantity * 100 * 1000) " +
"FROM ( " +
" SELECT o.pubkey, o.share_id, " +
" SUM(CASE WHEN o.side = 'BUY' THEN o.quantity ELSE -o.quantity END) AS quantity " +
" FROM orders o " +
" LEFT JOIN invoices i ON i.id = o.invoice_id " +
" JOIN shares s ON s.id = o.share_id " +
// only consider uncanceled orders for winning shares
" WHERE s.market_id = $1 AND o.deleted_at IS NULL AND s.id = $2 " +
// BUY orders must be paid and be matched. SELL orders must simply not be canceled to be considered.
" AND ( (o.side = 'BUY' AND i.confirmed_at IS NOT NULL AND o.order_id IS NOT NULL) OR o.side = 'SELL' ) " +
" GROUP BY o.pubkey, o.share_id " +
") AS user_shares WHERE user_shares.pubkey = u.pubkey"
if _, err = tx.ExecContext(ctx, query, marketId, s.Id); err != nil {
tx.Rollback()
return err
}
if _, err = tx.ExecContext(ctx, "UPDATE markets SET settled_at = CURRENT_TIMESTAMP WHERE id = $1", marketId); err != nil {
tx.Rollback()
return err
}
if _, err = tx.ExecContext(ctx, "UPDATE shares SET win = (id = $1) WHERE market_id = $2", s.Id, marketId); err != nil {
tx.Rollback()
return err
}
tx.Commit()
return c.JSON(http.StatusOK, nil)
return pages.Market(m).Render(context.RenderContext(sc, c), c.Response().Writer)
}
}

30
server/router/handler/session.go
View File

@ -1,30 +0,0 @@
package handler
import (
"database/sql"
"net/http"
"git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"github.com/labstack/echo/v4"
)
func HandleCheckSession(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
cookie *http.Cookie
s db.Session
err error
)
if cookie, err = c.Cookie("session"); err != nil {
return c.JSON(http.StatusBadRequest, map[string]string{"reason": "cookie required"})
}
s = db.Session{SessionId: cookie.Value}
if err = sc.Db.FetchSession(&s); err == sql.ErrNoRows {
return c.JSON(http.StatusBadRequest, map[string]string{"reason": "session not found"})
} else if err != nil {
return c.JSON(http.StatusInternalServerError, nil)
}
return c.JSON(http.StatusOK, map[string]any{"pubkey": s.Pubkey, "msats": s.Msats})
}
}

25
server/router/handler/user.go
View File

@ -1,30 +1,15 @@
package handler
import (
"net/http"
"git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages"
"git.ekzyis.com/ekzyis/delphi.market/types"
"github.com/labstack/echo/v4"
)
func HandleUser(sc context.ServerContext) echo.HandlerFunc {
func HandleUser(sc context.Context) echo.HandlerFunc {
return func(c echo.Context) error {
var (
u db.User
orders []db.Order
err error
data map[string]any
)
u = c.Get("session").(db.User)
if err = sc.Db.FetchOrders(&db.FetchOrdersWhere{Pubkey: u.Pubkey}, &orders); err != nil {
return err
}
data = map[string]any{
"session": c.Get("session"),
"user": u,
"Orders": orders,
}
return sc.Render(c, http.StatusOK, "user.html", data)
u := c.Get("session").(types.User)
return pages.User(&u).Render(context.RenderContext(sc, c), c.Response().Writer)
}
}

79
server/router/handler/withdrawal.go
View File

@ -1,79 +0,0 @@
package handler
import (
context_ "context"
"database/sql"
"net/http"
"strings"
"time"
"git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"github.com/labstack/echo/v4"
"github.com/lightningnetwork/lnd/zpay32"
)
func HandleWithdrawal(sc context.ServerContext) echo.HandlerFunc {
return func(c echo.Context) error {
var (
w db.Withdrawal
u db.User
inv *zpay32.Invoice
tx *sql.Tx
err error
)
if err := c.Bind(&w); err != nil {
code := http.StatusBadRequest
return c.JSON(code, map[string]any{"status": code, "reason": "bolt11 required"})
}
if inv, err = zpay32.Decode(w.Bolt11, sc.Lnd.ChainParams); err != nil {
code := http.StatusBadRequest
return c.JSON(code, map[string]any{"status": code, "reason": "zpay32 decode error"})
}
// transaction start
ctx, cancel := context_.WithTimeout(c.Request().Context(), 5*time.Second)
defer cancel()
if tx, err = sc.Db.BeginTx(ctx, nil); err != nil {
return err
}
defer tx.Commit()
u = c.Get("session").(db.User)
w.Pubkey = u.Pubkey
// TODO deduct network fee from user balance
if u.Msats < int64(*inv.MilliSat) {
tx.Rollback()
code := http.StatusBadRequest
return c.JSON(code, map[string]any{"status": code, "reason": "insufficient balance"})
}
// create withdrawal
if err = sc.Db.CreateWithdrawal(tx, ctx, &w); err != nil {
tx.Rollback()
if strings.Contains(err.Error(), "violates unique constraint") {
code := http.StatusBadRequest
return c.JSON(code, map[string]any{"status": code, "reason": "bolt11 already submitted"})
}
return err
}
// pay invoice via LND
if err = sc.Lnd.PayInvoice(tx, w.Bolt11); err != nil {
tx.Rollback()
return err
}
// deduct balance from user
if _, err = tx.ExecContext(ctx, "UPDATE users SET msats = msats - $1 WHERE pubkey = $2", int64(*inv.MilliSat), u.Pubkey); err != nil {
tx.Rollback()
return err
}
tx.Commit()
return c.JSON(http.StatusOK, nil)
}
}

2
server/router/middleware/lnd.go
View File

@ -7,7 +7,7 @@ import (
"github.com/labstack/echo/v4"
)
func LNDGuard(sc context.ServerContext) echo.MiddlewareFunc {
func LNDGuard(sc context.Context) echo.MiddlewareFunc {
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
if sc.Lnd != nil {

31
server/router/middleware/session.go
View File

@ -3,34 +3,36 @@ package middleware
import (
"database/sql"
"net/http"
"time"
"git.ekzyis.com/ekzyis/delphi.market/db"
"git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/types"
"github.com/labstack/echo/v4"
)
func Session(sc context.ServerContext) echo.MiddlewareFunc {
func Session(sc context.Context) echo.MiddlewareFunc {
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
var (
db = sc.Db
ctx = c.Request().Context()
cookie *http.Cookie
err error
s *db.Session
u *db.User
u = types.User{}
)
if cookie, err = c.Cookie("session"); err != nil {
// cookie not found
return next(c)
}
s = &db.Session{SessionId: cookie.Value}
if err = sc.Db.FetchSession(s); err == nil {
if err = db.QueryRowContext(
ctx,
""+
"SELECT u.id, u.name, u.created_at, COALESCE(u.ln_pubkey, ''), COALESCE(u.nostr_pubkey, ''), u.msats "+
"FROM sessions s LEFT JOIN users u ON u.id = s.user_id "+
"WHERE s.id = $1",
cookie.Value).
Scan(&u.Id, &u.Name, &u.CreatedAt, &u.LnPubkey, &u.NostrPubkey, &u.Msats); err == nil {
// session found
u = &db.User{Pubkey: s.Pubkey, Msats: s.Msats, LastSeen: time.Now()}
if err = sc.Db.UpdateUser(u); err != nil {
return err
}
c.Set("session", *u)
c.Set("session", u)
} else if err != sql.ErrNoRows {
return err
}
@ -39,12 +41,13 @@ func Session(sc context.ServerContext) echo.MiddlewareFunc {
}
}
func SessionGuard(sc context.ServerContext) echo.MiddlewareFunc {
func SessionGuard(sc context.Context) echo.MiddlewareFunc {
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
session := c.Get("session")
if session == nil {
return c.Redirect(http.StatusTemporaryRedirect, "/login")
// this seems to work for non-interactive and htmx requests
return c.Redirect(http.StatusSeeOther, "/login")
}
return next(c)
}

75
server/router/pages/about.templ Normal file
View File

@ -0,0 +1,75 @@
package pages
import "git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
templ About() {
<html>
@components.Head()
<body class="container">
@components.Nav()
<div id="content" class="flex flex-col">
@components.Figlet("random", "about")
<div class="flex flex-col mb-3">
<h1>📈 Prediction market?</h1>
<p>Here is an animated corgi that explains everything you need to know about prediction markets in 7 minutes:</p>
<iframe
class="my-3 mx-auto"
src="https://www.youtube.com/embed/DB5TfX7eaVY?si=FFG9wEun1VRl5p6w"
title="YouTube video player"
frameborder="0"
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
referrerpolicy="strict-origin-when-cross-origin"
allowfullscreen
></iframe>
<h1>👨‍💻 FOSS?</h1>
<p class="mb-3">
Yes! The code is available on
<a href="https://github.com/ekzyis/delphi.market/" target="_blank" rel="noopener noreferrer">Github</a>
or
<a href="https://git.ekzy.is/ekzyis/delphi.market/" target="_blank" rel="noopener noreferrer">Gitea</a>
under the MIT License.
</p>
<h1>💬 Contact?</h1>
<p class="mb-3">
If you have feedback, questions, bugs, ideas or anything else, feel free to reach out to me:
<br/>
</p>
<div class="text-center">
<a
href="https://stacker.news/ek"
target="_blank"
rel="noopener noreferrer"
>
stacker news
</a> |
<a
href="https://simplex.chat/contact#/?v=1-2&smp=smp%3A%2F%2F6iIcWT_dF2zN_w5xzZEY7HI2Prbh3ldP07YTyDexPjE%3D%40smp10.simplex.im%2FxNnPk9DkTbQJ6NckWom9mi5vheo_VPLm%23%2F%3Fv%3D1-2%26dh%3DMCowBQYDK2VuAyEAnFUiU0M8jS1JY34LxUoPr7mdJlFZwf3pFkjRrhprdQs%253D%26srv%3Drb2pbttocvnbrngnwziclp2f4ckjq65kebafws6g4hy22cdaiv5dwjqd.onion"
target="_blank"
rel="noopener noreferrer"
>
simplex
</a> |
<a
href="https://t.me/ekzyis"
target="_blank"
rel="noopener noreferrer"
>telegram</a> |
<a
href="https://signal.me/#eu/Qa/0P3M1keYAUju1LMktobIwHvEKTEMaQfGjjkL5U5ajYpsa6uFKvp165NDCTOXK"
target="_blank"
rel="noopener noreferrer"
>
signal
</a> |
<a
href="https://njump.me/npub16x07c4qz05yhqe2gy2q2u9ax359d2lc0tsh6wn3y70dmk8nv2j2s96s89d"
target="_blank"
rel="noopener noreferrer"
>nostr</a>
</div>
</div>
</div>
@components.Footer()
</body>
</html>
}

69
server/router/pages/auth.templ Normal file
View File

@ -0,0 +1,69 @@
package pages
import (
"fmt"
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
)
templ Auth(action string) {
<html>
@components.Head()
<body class="container">
@components.Nav()
<div id="content" class="flex flex-col text-center">
@components.Figlet("random", action)
<div
class="flex flex-col mb-3 text-center"
hx-target="#content"
hx-swap="outerHTML"
hx-select="#content"
hx-push-url="true"
>
<button
class="flex signup lightning my-3 items-center"
hx-get={ string(templ.SafeURL(fmt.Sprintf("/%s/lightning", action))) }
>
<svg
width="24"
height="24"
viewBox="0 0 24 24"
fill="var(--black)"
xmlns="http://www.w3.org/2000/svg"
>
<path d="M19 10.1907L8.48754 21L12.6726 12.7423H5L14.6157 3L11.5267 10.2835L19 10.1907Z"></path>
</svg>
{ action } with lightning
</button>
<button
class="flex signup nostr my-3 items-center"
hx-get={ string(templ.SafeURL(fmt.Sprintf("/%s/nostr", action))) }
>
<svg
class="me-1"
width="16"
height="16"
viewBox="0 0 875 875"
fill="var(--white)"
xmlns="http://www.w3.org/2000/svg"
>
<path
class="cls-1"
d="m684.72,485.57c.22,12.59-11.93,51.47-38.67,81.3-26.74,29.83-56.02,20.85-58.42,20.16s-3.09-4.46-7.89-3.77-9.6,6.17-18.86,7.2-17.49,1.71-26.06-1.37c-4.46.69-5.14.71-7.2,2.24s-17.83,10.79-21.6,11.47c0,7.2-1.37,44.57,0,55.89s3.77,25.71,7.54,36c3.77,10.29,2.74,10.63,7.54,9.94s13.37.34,15.77,4.11c2.4,3.77,1.37,6.51,5.49,8.23s60.69,17.14,99.43,19.2c26.74.69,42.86,2.74,52.12,19.54,1.37,7.89,7.54,13.03,11.31,14.06s8.23,2.06,12,5.83,1.03,8.23,5.49,11.66c4.46,3.43,14.74,8.57,25.37,13.71,10.63,5.14,15.09,13.37,15.77,16.11s1.71,10.97,1.71,10.97c0,0-8.91,0-10.97-2.06s-2.74-5.83-2.74-5.83c0,0-6.17,1.03-7.54,3.43s.69,2.74-7.89.69-11.66-3.77-18.17-8.57c-6.51-4.8-16.46-17.14-25.03-16.8,4.11,8.23,5.83,8.23,10.63,10.97s8.23,5.83,8.23,5.83l-7.2,4.46s-4.46,2.06-14.74-.69-11.66-4.46-12.69-10.63,0-9.26-2.74-14.4-4.11-15.77-22.29-21.26c-18.17-5.49-66.52-21.26-100.12-24.69s-22.63-2.74-28.11-1.37-15.77,4.46-26.4-1.37c-10.63-5.83-16.8-13.71-17.49-20.23s-1.71-10.97,0-19.2,3.43-19.89,1.71-26.74-14.06-55.89-19.89-64.12c-13.03,1.03-50.74-.69-50.74-.69,0,0-2.4-.69-17.49,5.83s-36.48,13.76-46.77,19.93-14.4,9.7-16.12,13.13c.12,3-1.23,7.72-2.79,9.06s-12.48,2.42-12.48,2.42c0,0-5.85,5.86-8.25,9.97-6.86,9.6-55.2,125.14-66.52,149.83-13.54,32.57-9.77,27.43-37.71,27.43s-8.06.3-8.06.3c0,0-12.34,5.88-16.8,5.88s-18.86-2.4-26.4,0-16.46,9.26-23.31,10.29-4.95-1.34-8.38-3.74c-4-.21-14.27-.12-14.27-.12,0,0,1.74-6.51,7.91-10.88,8.23-5.83,25.37-16.11,34.63-21.26s17.49-7.89,23.31-9.26,18.51-6.17,30.51-9.94,19.54-8.23,29.83-31.54c10.29-23.31,50.4-111.43,51.43-116.23.63-2.96,3.73-6.48,4.8-15.09.66-5.35-2.49-13.04,1.71-22.63,10.97-25.03,21.6-20.23,26.4-20.23s17.14.34,26.4-1.37,15.43-2.74,24.69-7.89,11.31-8.91,11.31-8.91l-19.89-3.43s-18.51.69-25.03-4.46-15.43-15.77-15.43-15.77l-7.54-7.2,1.03,8.57s-5.14-8.91-6.51-10.29-8.57-6.51-11.31-11.31-7.54-25.03-7.54-25.03l-6.17,13.03-1.71-18.86-5.14,7.2-2.74-16.11-4.8,8.23-3.43-14.4-5.83,4.46-2.4-10.29-5.83-3.43s-14.06-9.26-16.46-9.6-4.46,3.43-4.46,3.43l1.37,12-12.2-6.27-7-11.9s2.36,4.01-9.62,7.53c-20.55,0-21.89-2.28-24.93-3.94-1.31-6.56-5.57-10.11-5.57-10.11h-20.57l-.34-6.86-7.89,3.09.69-10.29h-14.06l1.03-11.31h-8.91s3.09-9.26,25.71-22.97,25.03-16.46,46.29-17.14c21.26-.69,32.91,2.74,46.29,8.23s38.74,13.71,43.89,17.49c11.31-9.94,28.46-19.89,34.29-19.89,1.03-2.4,6.19-12.33,17.96-17.6,35.31-15.81,108.13-34,131.53-35.54,31.2-2.06,7.89-1.37,39.09,2.06,31.2,3.43,54.17,7.54,69.6,12.69,12.58,4.19,25.03,9.6,34.29,2.06,4.33-1.81,11.81-1.34,17.83-5.14,30.69-25.09,34.72-32.35,43.63-41.95s20.14-24.91,22.54-45.14,4.46-58.29-10.63-88.12-28.8-45.26-34.63-69.26c-5.83-24-8.23-61.03-6.17-73.03,2.06-12,5.14-22.29,6.86-30.51s9.94-14.74,19.89-16.46c9.94-1.71,17.83,1.37,22.29,4.8,4.46,3.43,11.65,6.28,13.37,10.29.34,1.71-1.37,6.51,8.23,8.23,9.6,1.71,16.05,4.16,16.05,4.16,0,0,15.64,4.29,3.11,7.73-12.69,2.06-20.52-.71-24.29,1.69s-7.21,10.08-9.61,11.1-7.2.34-12,4.11-9.6,6.86-12.69,14.4-5.49,15.77-3.43,26.74,8.57,31.54,14.4,43.2c5.83,11.66,20.23,40.8,24.34,47.66s15.77,29.49,16.8,53.83,1.03,44.23,0,54.86-10.84,51.65-35.53,85.94c-8.16,14.14-23.21,31.9-24.67,35.03-1.45,3.13-3.02,4.88-1.61,7.65,4.62,9.05,12.87,22.13,14.71,29.22,2.29,6.64,6.99,16.13,7.22,28.72Z"
></path>
</svg>{ action } with nostr
</button>
</div>
<div class="flex flex-col mb-3 text-center">
if action == "signup" {
<small>
<a class="text-muted" href="/login">not your first time?</a>
</small>
} else {
<small><a class="text-muted" href="/signup">first time?</a></small>
}
</div>
</div>
@components.Footer()
</body>
</html>
}

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package components
import "git.ekzyis.com/ekzyis/delphi.market/lib"
templ Figlet(font string, text string) {
<code class="figlet">
<strong>
<pre>
{ lib.Figlet(font, text) }
</pre>
</strong>
</code>
}

21
server/router/pages/components/footer.templ Normal file
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package components
import c "git.ekzyis.com/ekzyis/delphi.market/server/router/context"
templ Footer() {
<footer class="flex justify-center my-3">
<div>
<hr/>
<small>
<code>
running
<a
href={ templ.SafeURL("https://github.com/ekzyis/delphi.market/commit/" + ctx.Value(c.CommitContextKey).(string)) }
target="_blank"
rel="noopener noreferrer"
>{ ctx.Value(c.CommitContextKey).(string) }</a>
</code>
</small>
</div>
</footer>
}

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server/router/pages/components/head.templ Normal file
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package components
import c "git.ekzyis.com/ekzyis/delphi.market/server/router/context"
templ Head() {
<head>
<title>delphi.market</title>
<link rel="icon" type="image/x-icon" href="/favicon.ico"/>
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png"/>
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png"/>
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png"/>
<link rel="manifest" href="/site.webmanifest"/>
<link rel="stylesheet" href="/css/tailwind.css"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<meta name="theme-color" content="#191d21"/>
<meta
name="htmx-config"
content='{
"responseHandling": [
{ "code": "204", "swap": false },
{ "code": "[23]..", "swap": true },
{ "code": "[45]..", "swap": true, "error": true }
]
}'
/>
<script src="/js/htmx.js" integrity="sha384-Xh+GLLi0SMFPwtHQjT72aPG19QvKB8grnyRbYBNIdHWc2NkCrz65jlU7YrzO6qRp" crossorigin="anonymous"></script>
if ctx.Value(c.EnvContextKey) == "development" {
<script defer src="/js/hotreload.js"></script>
}
</head>
}

84
server/router/pages/components/invoice.templ Normal file
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package components
import (
"fmt"
)
templ Invoice(hash string, bolt11 string, msats int, expiresIn int, paid bool, redirectUrl templ.SafeURL) {
<div class="p-5 border border-muted bg-background text-center font-mono">
<div id="close" class="flex justify-end"><button class="w-fit text-muted hitbox hover:text-reset">X</button></div>
<div>Payment Required</div>
<div class="my-1">@Qr(bolt11, "lightning:"+bolt11)</div>
<div class="my-1">{ format(msats) }</div>
@InvoiceStatus(hash, expiresIn, paid, redirectUrl)
<div class="none" id="bolt11-data" bolt11-data={ templ.JSONString(bolt11) } hx-preserve></div>
<script type="text/javascript" id="bolt11-js" hx-preserve>
var $ = selector => document.querySelector(selector)
$("#close").addEventListener("click", function () {
// abort in-flight polls and prevent new polls
htmx.trigger("#poll", "htmx:abort")
$("#poll").addEventListener("htmx:beforeRequest", e => e.preventDefault())
})
</script>
</div>
}
templ InvoiceStatus(hash string, expiresIn int, paid bool, redirectUrl templ.SafeURL) {
if paid {
<div class="font-mono neon success my-1">PAID</div>
<div
id="poll"
hx-get={ string(redirectUrl) }
hx-trigger="load delay:3s"
hx-target="#content"
hx-swap="outerHTML"
hx-select="#content"
hx-push-url="true"
hx-select-oob="#modal" />
}
else if expiresIn <= 0 {
<div class="font-mono neon error my-1">EXPIRED</div>
} else {
<!-- invoice is pending -->
<div class="font-mono my-1" id="countdown" countdown-data={ templ.JSONString(expiresIn) } hx-preserve></div>
<script type="text/javascript" id="countdown-js" hx-preserve>
var $ = selector => document.querySelector(selector)
var expiresIn = JSON.parse($("#countdown").getAttribute("countdown-data"))
function pad(num, places) {
return String(num).padStart(places, "0")
}
function _countdown() {
var minutes = Math.floor(expiresIn / 60)
var seconds = expiresIn % 60
var text = `${pad(minutes, 2)}:${pad(seconds, 2)}`
try {
$("#countdown").innerText = text
expiresIn--
} catch {
// countdown element disappeared
clearInterval(interval)
}
}
_countdown()
var interval = setInterval(_countdown, 1000)
</script>
<div
id="poll"
hx-get={ string(templ.SafeURL("/invoice/" + hash)) }
hx-trigger="load delay:1s"
hx-target="#modal"
hx-swap="outerHTML"
hx-select="#modal" />
}
}
func format(msats int) string {
sats := msats / 1000
if sats == 1 {
return fmt.Sprintf("%d sat", sats)
}
return fmt.Sprintf("%d sats", sats)
}

28
server/router/pages/components/modal.templ Normal file
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package components
templ Modal(component templ.Component) {
if component != nil {
<div
id="modal"
class="fixed left-0 top-0 w-screen h-screen"
>
<div
class="fixed left-1/2 top-1/2 -translate-x-1/2 -translate-y-1/2"
>
<div class="flex justify-center p-3 w-screen">
@component
</div>
<script type="text/javascript">
var $ = selector => document.querySelector(selector)
$("#close").addEventListener("click", function () {
$("#modal").removeAttribute("class")
$("#modal").setAttribute("class", "hidden")
$("#modal").innerHTML = ""
})
</script>
</div>
</div>
} else {
<div id="modal" class="hidden"></div>
}
}

28
server/router/pages/components/nav.templ Normal file
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package components
import c "git.ekzyis.com/ekzyis/delphi.market/server/router/context"
templ Nav() {
<header class="mt-3">
<nav
id="nav"
class="flex flex-row"
hx-target="#content"
hx-swap="outerHTML"
hx-select="#content"
hx-push-url="true"
>
<div>
<button hx-get="/">home</button>
</div>
<div class="ms-auto">
<button hx-get="/about">about</button>
if ctx.Value(c.SessionContextKey) != nil {
<button hx-get="/user">user</button>
} else {
<button hx-get="/signup">signup</button>
}
</div>
</nav>
</header>
}

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server/router/pages/components/qr.templ Normal file
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package components
import (
"encoding/base64"
"github.com/skip2/go-qrcode"
)
templ Qr(value string, href string) {
if href != "" {
<a
class="mx-auto no-link"
href={ templ.SafeURL(href) }
>
<img src={ "data:image/jpeg;base64," + qrEncode(value) }/>
</a>
<small class="flex my-1 mx-auto">
<span class="block w-[188px] overflow-hidden">{ value }</span>
<button id="copy" class="ms-1 button w-[64px]" hx-preserve>copy</button>
</small>
@CopyButton(value)
} else {
<img src={ "data:image/jpeg;base64," + qrEncode(value) }/>
}
}
templ CopyButton(value string) {
<div class="none" id="copy-data" copy-data={ templ.JSONString(value) } hx-preserve></div>
<script type="text/javascript" id="copy-js" hx-preserve>
var $ = selector => document.querySelector(selector)
var value = JSON.parse($("#copy-data").getAttribute("copy-data"))
$("#copy").onclick = function () {
window.navigator.clipboard.writeText(value)
$("#copy").textContent = "copied"
setTimeout(() => $("#copy").textContent = "copy", 1000)
}
</script>
}
func qrEncode(value string) string {
png, err := qrcode.Encode(value, qrcode.Medium, 256)
if err != nil {
return ""
}
return base64.StdEncoding.EncodeToString([]byte(png))
}

21
server/router/pages/error.templ Normal file
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package pages
import (
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
"net/http"
"strconv"
)
templ Error(code int) {
<html>
@components.Head()
<body class="container">
@components.Nav()
<div id="content" class="flex flex-col text-center">
@components.Figlet("random", strconv.Itoa(code))
<div class="font-mono mb-3">{ http.StatusText(code) }</div>
</div>
@components.Footer()
</body>
</html>
}

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server/router/pages/index.templ Normal file
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package pages
import (
c "git.ekzyis.com/ekzyis/delphi.market/server/router/context"
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
"git.ekzyis.com/ekzyis/delphi.market/types"
"fmt"
"github.com/dustin/go-humanize"
)
templ Index(markets []types.Market) {
<html>
@components.Head()
<body class="container">
@components.Nav()
<div id="content" class="flex flex-col text-center">
@components.Figlet("random", "delphi")
<div class="font-mono my-3"><small>A prediction market using the lightning network</small></div>
<div
id="grid-container"
class="border border-muted text-start"
hx-target="#grid-container"
hx-swap="outerHTML"
hx-select="#grid-container"
hx-push-url="true"
>
<div class="border border-muted">
<button hx-get="/" class={ tabStyle(ctx.Value(c.ReqPathContextKey).(string), "/") }>markets</button>
<button hx-get="/create" class={ tabStyle(ctx.Value(c.ReqPathContextKey).(string), "/create") }>create</button>
</div>
if ctx.Value(c.ReqPathContextKey).(string) == "/" {
<div class="grid grid-cols-[auto_fit-content(10%)_fit-content(10%)]">
for _, m := range markets {
<span class="ps-3 border-b border-muted pb-3 mt-3">
<a href={ templ.SafeURL(fmt.Sprintf("/market/%d", m.Id)) }>{ m.Question }</a>
<div class="text-small text-muted">{m.User.Name} / {humanize.Time(m.CreatedAt)} / {humanize.Time(m.EndDate)}</div>
</span>
<span class="px-3 border-b border-muted pb-3 mt-3 flex"><div class="self-center">51%</div></span>
<span class="pe-3 border-b border-muted pb-3 mt-3 flex"><div class="self-center">0</div></span>
}
</div>
} else {
<form
hx-post="/create"
hx-target="#modal"
hx-swap="outerHTML"
hx-select="#modal"
class="flex flex-col mx-3"
>
<label class="my-1" for="question">question</label>
<input
id="question"
name="question"
type="text"
class="my-1 p-1 text-black"
autocomplete="off"
required
/>
<div class="mt-3 mb-1">
<label for="description">description</label>
<span class="px-1 text-small text-muted">optional</span>
</div>
<textarea
id="description"
name="description"
type="text"
class="my-1 p-1 text-black"
></textarea>
<label class="mt-3" for="end_date">end date</label>
<input
id="end_date"
name="end_date"
type="date"
class="my-1 p-1 text-black"
autocomplete="off"
required
/>
<button type="submit" class="mt-3">submit</button>
</form>
}
</div>
</div>
@components.Modal(nil)
@components.Footer()
</body>
</html>
}
func tabStyle(path string, tab string) string {
class := "!no-underline"
if path == tab {
class += " font-bold border-b-none"
}
return class
}

27
server/router/pages/lnAuth.templ Normal file
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package pages
import "git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
templ LnAuth(lnurl string, action string) {
<html>
@components.Head()
<body class="container">
@components.Nav()
<div id="content" class="flex flex-col text-center">
@components.Figlet("random", action)
<small><code>with lightning</code></small>
<div
class="flex flex-col my-3 text-center"
hx-target="#content"
hx-swap="outerHTML"
hx-select="#content"
hx-push-url="true"
>
@components.Qr(lnurl, "lightning:"+lnurl)
</div>
<div hx-get="/session" hx-trigger="every 1s" hx-swap="none"></div>
</div>
@components.Footer()
</body>
</html>
}

55
server/router/pages/login.templ Normal file
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package pages
import "git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
templ Login() {
<html>
@components.Head()
<body class="container">
@components.Nav()
<div id="content" class="flex flex-col text-center">
@components.Figlet("random", "login")
<div
class="flex flex-col mb-3 text-center"
hx-target="#content"
hx-swap="outerHTML"
hx-select="#content"
hx-push-url="true"
>
<button class="flex login lightning my-3 items-center">
<svg
width="24"
height="24"
viewBox="0 0 24 24"
fill="var(--black)"
xmlns="http://www.w3.org/2000/svg"
>
<path d="M19 10.1907L8.48754 21L12.6726 12.7423H5L14.6157 3L11.5267 10.2835L19 10.1907Z"></path>
</svg>
login with lightning
</button>
<button class="flex login nostr my-3 items-center">
<svg
class="me-1"
width="16"
height="16"
viewBox="0 0 875 875"
fill="var(--white)"
xmlns="http://www.w3.org/2000/svg"
>
<path
class="cls-1"
d="m684.72,485.57c.22,12.59-11.93,51.47-38.67,81.3-26.74,29.83-56.02,20.85-58.42,20.16s-3.09-4.46-7.89-3.77-9.6,6.17-18.86,7.2-17.49,1.71-26.06-1.37c-4.46.69-5.14.71-7.2,2.24s-17.83,10.79-21.6,11.47c0,7.2-1.37,44.57,0,55.89s3.77,25.71,7.54,36c3.77,10.29,2.74,10.63,7.54,9.94s13.37.34,15.77,4.11c2.4,3.77,1.37,6.51,5.49,8.23s60.69,17.14,99.43,19.2c26.74.69,42.86,2.74,52.12,19.54,1.37,7.89,7.54,13.03,11.31,14.06s8.23,2.06,12,5.83,1.03,8.23,5.49,11.66c4.46,3.43,14.74,8.57,25.37,13.71,10.63,5.14,15.09,13.37,15.77,16.11s1.71,10.97,1.71,10.97c0,0-8.91,0-10.97-2.06s-2.74-5.83-2.74-5.83c0,0-6.17,1.03-7.54,3.43s.69,2.74-7.89.69-11.66-3.77-18.17-8.57c-6.51-4.8-16.46-17.14-25.03-16.8,4.11,8.23,5.83,8.23,10.63,10.97s8.23,5.83,8.23,5.83l-7.2,4.46s-4.46,2.06-14.74-.69-11.66-4.46-12.69-10.63,0-9.26-2.74-14.4-4.11-15.77-22.29-21.26c-18.17-5.49-66.52-21.26-100.12-24.69s-22.63-2.74-28.11-1.37-15.77,4.46-26.4-1.37c-10.63-5.83-16.8-13.71-17.49-20.23s-1.71-10.97,0-19.2,3.43-19.89,1.71-26.74-14.06-55.89-19.89-64.12c-13.03,1.03-50.74-.69-50.74-.69,0,0-2.4-.69-17.49,5.83s-36.48,13.76-46.77,19.93-14.4,9.7-16.12,13.13c.12,3-1.23,7.72-2.79,9.06s-12.48,2.42-12.48,2.42c0,0-5.85,5.86-8.25,9.97-6.86,9.6-55.2,125.14-66.52,149.83-13.54,32.57-9.77,27.43-37.71,27.43s-8.06.3-8.06.3c0,0-12.34,5.88-16.8,5.88s-18.86-2.4-26.4,0-16.46,9.26-23.31,10.29-4.95-1.34-8.38-3.74c-4-.21-14.27-.12-14.27-.12,0,0,1.74-6.51,7.91-10.88,8.23-5.83,25.37-16.11,34.63-21.26s17.49-7.89,23.31-9.26,18.51-6.17,30.51-9.94,19.54-8.23,29.83-31.54c10.29-23.31,50.4-111.43,51.43-116.23.63-2.96,3.73-6.48,4.8-15.09.66-5.35-2.49-13.04,1.71-22.63,10.97-25.03,21.6-20.23,26.4-20.23s17.14.34,26.4-1.37,15.43-2.74,24.69-7.89,11.31-8.91,11.31-8.91l-19.89-3.43s-18.51.69-25.03-4.46-15.43-15.77-15.43-15.77l-7.54-7.2,1.03,8.57s-5.14-8.91-6.51-10.29-8.57-6.51-11.31-11.31-7.54-25.03-7.54-25.03l-6.17,13.03-1.71-18.86-5.14,7.2-2.74-16.11-4.8,8.23-3.43-14.4-5.83,4.46-2.4-10.29-5.83-3.43s-14.06-9.26-16.46-9.6-4.46,3.43-4.46,3.43l1.37,12-12.2-6.27-7-11.9s2.36,4.01-9.62,7.53c-20.55,0-21.89-2.28-24.93-3.94-1.31-6.56-5.57-10.11-5.57-10.11h-20.57l-.34-6.86-7.89,3.09.69-10.29h-14.06l1.03-11.31h-8.91s3.09-9.26,25.71-22.97,25.03-16.46,46.29-17.14c21.26-.69,32.91,2.74,46.29,8.23s38.74,13.71,43.89,17.49c11.31-9.94,28.46-19.89,34.29-19.89,1.03-2.4,6.19-12.33,17.96-17.6,35.31-15.81,108.13-34,131.53-35.54,31.2-2.06,7.89-1.37,39.09,2.06,31.2,3.43,54.17,7.54,69.6,12.69,12.58,4.19,25.03,9.6,34.29,2.06,4.33-1.81,11.81-1.34,17.83-5.14,30.69-25.09,34.72-32.35,43.63-41.95s20.14-24.91,22.54-45.14,4.46-58.29-10.63-88.12-28.8-45.26-34.63-69.26c-5.83-24-8.23-61.03-6.17-73.03,2.06-12,5.14-22.29,6.86-30.51s9.94-14.74,19.89-16.46c9.94-1.71,17.83,1.37,22.29,4.8,4.46,3.43,11.65,6.28,13.37,10.29.34,1.71-1.37,6.51,8.23,8.23,9.6,1.71,16.05,4.16,16.05,4.16,0,0,15.64,4.29,3.11,7.73-12.69,2.06-20.52-.71-24.29,1.69s-7.21,10.08-9.61,11.1-7.2.34-12,4.11-9.6,6.86-12.69,14.4-5.49,15.77-3.43,26.74,8.57,31.54,14.4,43.2c5.83,11.66,20.23,40.8,24.34,47.66s15.77,29.49,16.8,53.83,1.03,44.23,0,54.86-10.84,51.65-35.53,85.94c-8.16,14.14-23.21,31.9-24.67,35.03-1.45,3.13-3.02,4.88-1.61,7.65,4.62,9.05,12.87,22.13,14.71,29.22,2.29,6.64,6.99,16.13,7.22,28.72Z"
></path>
</svg>
login with nostr
</button>
</div>
<div class="flex flex-col mb-3 text-center">
<small><a class="text-muted" href="/signup">first time?</a></small>
</div>
</div>
@components.Footer()
</body>
</html>
}

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server/router/pages/market.templ Normal file
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package pages
import (
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
"git.ekzyis.com/ekzyis/delphi.market/types"
"github.com/dustin/go-humanize"
)
// TODO: Add countdown? Use or at least show somewhere precise timestamps?
templ Market(m types.Market) {
<html>
@components.Head()
<body class="container">
@components.Nav()
<div id="content" class="flex flex-col">
<small>
@components.Figlet("random", "market")
</small>
<div class="text-center font-bold my-1">{ m.Question }</div>
<div class="text-center text-muted my-1">{humanize.Time(m.EndDate)}</div>
<div class="text-center text-muted my-1"></div>
<blockquote cite="ekzyis" class="p-4 mb-4 border-s-4 border-muted">
{ m.Description }
<div class="text-muted text-right pt-4">― {m.User.Name}, { humanize.Time(m.CreatedAt) }</div>
</blockquote>
<div class="flex justify-center my-1">
<button class="neon success mx-1">BET YES</button>
<button class="neon error mx-1">BET NO</button>
</div>
</div>
@components.Modal(nil)
@components.Footer()
</body>
</html>
}

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server/router/pages/user.templ Normal file
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package pages
import (
"git.ekzyis.com/ekzyis/delphi.market/server/router/pages/components"
"git.ekzyis.com/ekzyis/delphi.market/types"
"strconv"
"time"
)
templ User(user *types.User) {
<html>
@components.Head()
<body class="container">
@components.Nav()
<div id="content" class="flex flex-col">
@components.Figlet("random", "user")
<div
class="grid grid-cols-2 gap-4 my-3 mx-auto"
hx-target="#content"
hx-swap="outerHTML"
hx-select="#content"
hx-push-url="true"
hx-select-oob="#nav"
>
<div class="font-bold">id</div>
<div>{ strconv.Itoa(user.Id) }</div>
<div class="font-bold">name</div>
<div>{ user.Name }</div>
<div class="font-bold">joined</div>
<div>{ user.CreatedAt.Format(time.DateOnly) }</div>
<div class="font-bold">sats</div>
<div>{ strconv.Itoa(int(user.Msats) / 1000) }</div>
<button hx-post="/logout" class="col-span-2">logout</button>
</div>
</div>
@components.Footer()
</body>
</html>
}

110
server/router/router.go
View File

@ -8,96 +8,26 @@ import (
"git.ekzyis.com/ekzyis/delphi.market/server/router/middleware"
)
type ServerContext = context.ServerContext
type Context = context.Context
type MiddlewareFunc func(sc ServerContext) echo.MiddlewareFunc
type HandlerFunc = func(sc ServerContext) echo.HandlerFunc
func Init(e *echo.Echo, sc Context) {
e.Use(middleware.Session(sc))
func AddRoutes(e *echo.Echo, sc ServerContext) {
mountMiddleware(e, sc)
addFrontendRoutes(e, sc)
addBackendRoutes(e, sc)
}
func mountMiddleware(e *echo.Echo, sc ServerContext) {
Use(e, sc, middleware.Session)
}
func addFrontendRoutes(e *echo.Echo, sc ServerContext) {
GET(e, sc, "/user",
handler.HandleUser,
middleware.SessionGuard)
GET(e, sc, "/market/:id",
handler.HandleMarket,
middleware.SessionGuard)
POST(e, sc, "/market/:id/order",
handler.HandleOrder,
middleware.SessionGuard,
middleware.LNDGuard)
GET(e, sc, "/invoice/:id",
handler.HandleInvoice,
middleware.SessionGuard)
}
func addBackendRoutes(e *echo.Echo, sc ServerContext) {
GET(e, sc, "/api/markets", handler.HandleMarkets)
POST(e, sc, "/api/market",
handler.HandleCreateMarket,
middleware.SessionGuard,
middleware.LNDGuard)
GET(e, sc, "/api/market/:id", handler.HandleMarket)
GET(e, sc, "/api/market/:id/orders", handler.HandleMarketOrders)
GET(e, sc, "/api/market/:id/stats", handler.HandleMarketStats)
POST(e, sc, "/api/market/:id/settle",
handler.HandleMarketSettlement,
middleware.SessionGuard,
middleware.LNDGuard)
POST(e, sc, "/api/order",
handler.HandleOrder,
middleware.SessionGuard,
middleware.LNDGuard)
DELETE(e, sc, "/api/order/:id",
handler.HandleDeleteOrder,
middleware.SessionGuard)
GET(e, sc, "/api/orders",
handler.HandleOrders,
middleware.SessionGuard)
GET(e, sc, "/api/login", handler.HandleLogin)
GET(e, sc, "/api/login/callback", handler.HandleLoginCallback)
POST(e, sc, "/api/logout", handler.HandleLogout)
GET(e, sc, "/api/session", handler.HandleCheckSession)
GET(e, sc, "/api/invoice/:id",
handler.HandleInvoiceStatus,
middleware.SessionGuard)
GET(e, sc, "/api/invoices",
handler.HandleInvoices,
middleware.SessionGuard)
POST(e, sc, "/api/withdrawal",
handler.HandleWithdrawal,
middleware.SessionGuard,
middleware.LNDGuard)
}
func GET(e *echo.Echo, sc ServerContext, path string, scF HandlerFunc, scM ...MiddlewareFunc) *echo.Route {
return e.GET(path, scF(sc), toMiddlewareFunc(sc, scM...)...)
}
func POST(e *echo.Echo, sc ServerContext, path string, scF HandlerFunc, scM ...MiddlewareFunc) *echo.Route {
return e.POST(path, scF(sc), toMiddlewareFunc(sc, scM...)...)
}
func DELETE(e *echo.Echo, sc ServerContext, path string, scF HandlerFunc, scM ...MiddlewareFunc) *echo.Route {
return e.DELETE(path, scF(sc), toMiddlewareFunc(sc, scM...)...)
}
func Use(e *echo.Echo, sc ServerContext, scM ...MiddlewareFunc) {
e.Use(toMiddlewareFunc(sc, scM...)...)
}
func toMiddlewareFunc(sc ServerContext, scM ...MiddlewareFunc) []echo.MiddlewareFunc {
var m []echo.MiddlewareFunc
for _, m_ := range scM {
m = append(m, m_(sc))
}
return m
e.GET("/", handler.HandleIndex(sc))
e.GET("/create", handler.HandleIndex(sc))
e.POST("/create", handler.HandleCreate(sc), middleware.SessionGuard(sc))
e.GET("/market/:id", handler.HandleMarket(sc))
e.GET("/about", handler.HandleAbout(sc))
e.GET("/login", handler.HandleAuth(sc, "login"))
e.GET("/login/:method", handler.HandleAuth(sc, "login"))
e.GET("/signup", handler.HandleAuth(sc, "register"))
e.GET("/signup/:method", handler.HandleAuth(sc, "register"))
e.GET("/api/lnauth/callback", handler.HandleLnAuthCallback(sc))
e.GET("/session", handler.HandleSessionCheck(sc))
e.GET("/user", handler.HandleUser(sc), middleware.SessionGuard(sc))
e.POST("/logout", handler.HandleLogout(sc), middleware.SessionGuard(sc))
e.GET("/invoice/:hash", handler.HandleInvoice(sc), middleware.SessionGuard(sc))
}

55
server/router/template.go
View File

@ -1,55 +0,0 @@
package router
import (
"html/template"
"io"
"github.com/labstack/echo/v4"
"golang.org/x/exp/constraints"
)
type Template struct {
templates *template.Template
}
type Number interface {
constraints.Integer | constraints.Float
}
func (t *Template) Render(w io.Writer, name string, data interface{}, c echo.Context) error {
return t.templates.ExecuteTemplate(w, name, data)
}
func ParseTemplates(pattern string) *Template {
return &Template{
templates: template.Must(template.New("").Funcs(template.FuncMap{
"add": add[int64],
"sub": sub[int64],
"div": div[int64],
"substr": substr,
}).ParseGlob("pages/**.html")),
}
}
func add[T Number](arg1 T, arg2 T) T {
return arg1 + arg2
}
func sub[T Number](arg1 T, arg2 T) T {
return arg1 - arg2
}
func div[T Number](arg1 T, arg2 T) T {
return arg1 / arg2
}
func substr(s string, start, length int) string {
if start < 0 || start >= len(s) {
return ""
}
end := start + length
if end > len(s) {
end = len(s)
}
return s[start:end]
}

12
server/server.go
View File

@ -11,16 +11,17 @@ type Server struct {
*echo.Echo
}
type ServerContext = router.ServerContext
type Context = router.Context
func New(ctx ServerContext) *Server {
func New(ctx Context) *Server {
var (
e *echo.Echo
s *Server
)
e = echo.New()
e.Static("/", "public")
e.Renderer = router.ParseTemplates("pages/**.html")
e.Use(middleware.LoggerWithConfig(middleware.LoggerConfig{
Format: "${time_custom} ${method} ${uri} ${status}\n",
CustomTimeFormat: "2006-01-02 15:04:05.00000-0700",
@ -30,11 +31,12 @@ func New(ctx ServerContext) *Server {
AllowCredentials: true,
AllowHeaders: []string{echo.HeaderOrigin, echo.HeaderContentType, echo.HeaderAccept},
}))
e.HTTPErrorHandler = httpErrorHandler
e.HTTPErrorHandler = httpErrorHandler(ctx)
s = &Server{e}
router.AddRoutes(e, ctx)
router.Init(e, ctx)
return s
}

19
shell.nix Normal file
View File

@ -0,0 +1,19 @@
let
nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-23.11";
pkgs = import nixpkgs { config = {}; overlays = []; };
in
pkgs.mkShell {
packages = with pkgs; [
go
tailwindcss
gnumake
inotify-tools
figlet
postgresql
];
shellHook = ''
# install templ if not already installed
command -v templ > /dev/null || go install github.com/a-h/templ/cmd/templ@latest
'';
}

30
tailwind.config.js Normal file
View File

@ -0,0 +1,30 @@
/** @type {import('tailwindcss').Config} */
module.exports = {
content: ["./server/router/pages/**/*.templ"],
theme: {
container: {
center: true,
padding: '1rem'
},
extend: {
colors: {
'background': '191d21',
'muted': '#6c757d',
},
},
},
plugins: [
function ({ addComponents }) {
addComponents({
'.container': {
'@screen lg': {
maxWidth: '768px',
},
'@screen xl': {
maxWidth: '768px',
},
}
})
}
],
}

4
test/mocks.go
View File

@ -5,7 +5,6 @@ import (
"net/http"
"net/http/httptest"
"git.ekzyis.com/ekzyis/delphi.market/server/router"
"github.com/labstack/echo/v4"
)
@ -16,8 +15,9 @@ func HTTPMocks(method string, target string, body io.Reader) (*echo.Echo, *http.
rec *httptest.ResponseRecorder
)
e = echo.New()
e.Renderer = router.ParseTemplates("pages/**.html")
req = httptest.NewRequest(method, target, body)
rec = httptest.NewRecorder()
return e, req, rec
}

39
types/types.go Normal file
View File

@ -0,0 +1,39 @@
package types
import (
"time"
"gopkg.in/guregu/null.v4"
)
type User struct {
Id int
Name string
CreatedAt time.Time
LnPubkey null.String
NostrPubkey null.String
Msats int64
}
type Invoice struct {
Id int
UserId int
Msats int64
MsatsReceived int64
Hash string
Bolt11 string
CreatedAt time.Time
ExpiresAt time.Time
ConfirmedAt null.Time
HeldSince bool
Description string
}
type Market struct {
Id int
User User
Question string
Description string
CreatedAt time.Time
EndDate time.Time
}

4
vue/.browserslistrc
View File

@ -1,4 +0,0 @@
> 1%
last 2 versions
not dead
not ie 11

5
vue/.editorconfig
View File

@ -1,5 +0,0 @@
[*.{js,jsx,ts,tsx,vue}]
indent_style = space
indent_size = 2
trim_trailing_whitespace = true
insert_final_newline = true

18
vue/.eslintrc.js
View File

@ -1,18 +0,0 @@
module.exports = {
root: true,
env: {
node: true
},
extends: [
'plugin:vue/vue3-essential',
'@vue/standard'
],
parserOptions: {
parser: '@babel/eslint-parser'
},
rules: {
'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
'vue/multi-word-component-names': 'off'
}
}

23
vue/.gitignore vendored
View File

@ -1,23 +0,0 @@
.DS_Store
node_modules
/dist
# local env files
.env.local
.env.*.local
# Log files
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
# Editor directories and files
.idea
.vscode
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?

24
vue/README.md
View File

@ -1,24 +0,0 @@
# delphi.market
## Project setup
```
yarn install
```
### Compiles and hot-reloads for development
```
yarn serve
```
### Compiles and minifies for production
```
yarn build
```
### Lints and fixes files
```
yarn lint
```
### Customize configuration
See [Configuration Reference](https://cli.vuejs.org/config/).

5
vue/babel.config.js
View File

@ -1,5 +0,0 @@
module.exports = {
presets: [
'@vue/cli-plugin-babel/preset'
]
}

27
vue/index.html
View File

@ -1,27 +0,0 @@
<!DOCTYPE html>
<html lang="">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<link rel="icon" href="/favicon.ico">
<script type="module" src="/src/main.js"></script>
<title>delphi.market</title>
<link rel="manifest" href="/manifest.json">
<meta name="theme-color" content="#8787a4">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<noscript>
<strong>We're sorry but this site doesn't work properly without JavaScript enabled. Please enable it to
continue.</strong>
</noscript>
<div id="app"></div>
<!-- built files will be auto injected -->
</body>
</html>

19
vue/jsconfig.json
View File

@ -1,19 +0,0 @@
{
"compilerOptions": {
"target": "es5",
"module": "esnext",
"baseUrl": "./",
"moduleResolution": "node",
"paths": {
"@/*": [
"src/*"
]
},
"lib": [
"esnext",
"dom",
"dom.iterable",
"scripthost"
]
}
}

36
vue/package.json
View File

@ -1,36 +0,0 @@
{
"name": "delphi.market",
"version": "0.1.0",
"private": true,
"scripts": {
"dev": "vite --port 4224",
"build": "vite build",
"serve": "vite preview"
},
"dependencies": {
"@vitejs/plugin-vue": "^4.4.0",
"chart.js": "^4.4.0",
"core-js": "^3.8.3",
"pinia": "^2.1.7",
"register-service-worker": "^1.7.2",
"s-ago": "^2.2.0",
"vite": "^4.5.0",
"vue": "^3.2.13",
"vue-chartjs": "^5.2.0",
"vue-router": "4"
},
"devDependencies": {
"@babel/core": "^7.12.16",
"@babel/eslint-parser": "^7.12.16",
"@vue/cli-plugin-babel": "^5.0.8",
"@vue/eslint-config-standard": "^6.1.0",
"autoprefixer": "^10.4.16",
"eslint": "^7.32.0",
"eslint-plugin-import": "^2.25.3",
"eslint-plugin-node": "^11.1.0",
"eslint-plugin-promise": "^5.1.0",
"eslint-plugin-vue": "^8.0.3",
"postcss": "^8.4.31",
"tailwindcss": "^3.3.5"
}
}

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