use lnd grpc (later sphinx), wip polling

5 years ago · ea20251d07
parent 0d4a3d00e6
commit ea20251d07
16 changed files with 622 additions and 48 deletions
--- a/.dockerignore
+++ b/.dockerignore
@ -0,0 +1,3 @@
+web
+bit4sat
+file-storage
--- a/api/handlers.go
+++ b/api/handlers.go
@ -38,14 +38,13 @@ func sessionHandler(c *gin.Context) {
 			return
 		}

-		if invoice.Id != "" {
-			c.JSON(http.StatusOK, gin.H{
-				"uploadId": lastUp,
-				"status":   upStatus,
-				"invoice":  invoice,
-			})
-			return
-		}
+		// if invoice is not empty
+		c.JSON(http.StatusOK, gin.H{
+			"uploadId": lastUp,
+			"status":   upStatus,
+			"invoice":  invoice,
+		})
+		return

 	}

@ -72,7 +71,7 @@ func invoiceCbHandler(c *gin.Context) {

 	// get upload id related to invoice
 	var uploadId string
-	invoiceUploadKey := fmt.Sprintf("invoice_%s_upload", invoice.Id)
+	invoiceUploadKey := fmt.Sprintf("invoice_%s_upload", invoice.RHash)

 	err := db.DB.Redis.Do(radix.FlatCmd(&uploadId, "GET", invoiceUploadKey))
 	if err != nil {
--- a/btc/price.go
+++ b/btc/price.go
@ -0,0 +1,77 @@
+package btc
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"log"
+	"math"
+	"net/http"
+	"net/url"
+
+	"git.sp4ke.com/sp4ke/bit4sat/config"
+)
+
+const (
+	BitcoinAverageAPI = "https://apiv2.bitcoinaverage.com"
+	BTCMsatRatio      = float64(100000000000)
+)
+
+var FixedRates = map[string]float64{
+	"BTC": 1,
+}
+
+func ToMsat(currency string, amount float64) (int64, error) {
+	rate, err := getRate(currency)
+	if err != nil {
+		return -1, err
+	}
+
+	return int64(math.Round((amount / rate) * BTCMsatRatio)), nil
+}
+
+func getRate(currency string) (float64, error) {
+	pairName := "BTC" + currency
+
+	reqParams := url.Values{}
+	reqParams.Set("crypto", "BTC")
+	reqParams.Set("fiat", currency)
+
+	reqUri := fmt.Sprintf("%s/indices/global/ticker/short?%s",
+		BitcoinAverageAPI, reqParams.Encode())
+
+	// TODO: remove on prod and use normal client
+	// Used for connectivity problems
+	proxyUrl, err := url.Parse(config.HttpProxy)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	client := &http.Client{
+		Transport: &http.Transport{
+			Proxy: http.ProxyURL(proxyUrl),
+		},
+	}
+
+	resp, err := client.Get(reqUri)
+	if err != nil {
+		return -1, err
+	}
+
+	var data map[string]interface{}
+
+	dec := json.NewDecoder(resp.Body)
+	err = dec.Decode(&data)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	pair := data[pairName]
+
+	price, ok := pair.(map[string]interface{})["last"].(float64)
+	if !ok {
+		return -1, errors.New("bitcoinaverage parsing result")
+	}
+
+	return price, nil
+}
--- a/config/vars.go
+++ b/config/vars.go
@ -19,6 +19,14 @@ var (
 	SessionSecret,
 	LnChargeApi,
 	LnChargeToken,
+	LndGrpcHost,
+	LndGrpcPort,
+	LndCertPath,
+	LndAdminMacaroonPath,
+	LockMacaroonIp,
+
+	HttpProxy,
+
 	SqlDbHost,
 	SqlDbUser,
 	SqlDbPass string
@ -45,5 +53,16 @@ func init() {
 	flag.StringVar(&LnChargeApi, "ln-charge-api", "", "ln charge api endpoint")
 	flag.StringVar(&LnChargeToken, "ln-charge-token", "", "ln charge api token")

+	// LND
+	flag.StringVar(&LndGrpcHost, "lnd-grpc-host", "", "lnd host address")
+	flag.StringVar(&LndGrpcPort, "lnd-grpc-port", "", "lnd port address")
+	flag.StringVar(&LndCertPath, "lnd-cert-path", "", "lnd tls cert path")
+	flag.StringVar(&LndAdminMacaroonPath, "lnd-macaroon-admin-path", "", "admin macaroon path")
+	flag.StringVar(&LockMacaroonIp, "lock-macaroon-ip", "", "lock macaroon to ip address")
+
+	flag.StringVar(&HttpProxy, "http-proxy", "", "http proxy for clients")
+
+	//log.Printf("locking macaroon to ip %s", LockMacaroonIp)
+
 	flag.Parse()
 }
--- a/docker-compose.yml
+++ b/docker-compose.yml
@ -9,13 +9,18 @@ volumes:
    #maria-conf:

 services:
-    app:
+    api:
        image: sp4ke/bit4sat
        container_name: bit4sat-api
-        build: ./docker
+        build: 
+            context: .
+            dockerfile: ./docker/Dockerfile
+
        environment:
            - GO111MODULE=on
            - API_HOST=bit4sat-api
+            - LND_GRPC_HOST=lnd
+            - LND_GRPC_PORT=10009
            - BIT4SAT_STORAGE_PATH=/storage
            - GOPATH=/go
            - SQL_DB_HOST=postgres
@ -24,6 +29,10 @@ services:
            - LN_CHARGE_API=ln-charge-test:9112
            - LN_CHARGE_TOKEN=3emU3Fy8VasHCzMaMXHSVJYpQSqH3yXQj8N5cQFBbq3botrudJuR7zQkBBmFSbAmgXs9GD4j4U3J4R2sMfgqPo8q
            - SESSION_SECRET=Ai7fCy36UE5cb9wcmdAxxRXwYyQDsDMr6rYocA6Eava7pdiB29EusLbb9sTYWS1e
+            - GRPC_SSL_CIPHER_SUITES="HIGH+ECDSA"
+
+              # Used in case of ssl problems
+            - HTTP_PROXY=http://tinyproxy:8888

        #deploy:
            #replicas: 1
@ -33,8 +42,8 @@ services:

        volumes:
            - $PWD:/src
-            #- gocache:/go
-            - /fastData/go:/go
+            - gocache:/go
+            #- /fastData/go:/go
            #- ./db-storage:/sqlite
            - file-storage:/storage

@ -42,6 +51,7 @@ services:

        networks:
            - btc-test-overlay
+            - btc-overlay
            - default

    #maria:
@ -80,3 +90,5 @@ services:
 networks:
    btc-test-overlay:
        external: true
+    btc-overlay:
+        external: true
--- a/go.mod
+++ b/go.mod
@ -4,7 +4,6 @@ go 1.12

 require (
 	github.com/gin-contrib/cors v0.0.0-20190301062745-f9e10995c85a
-	github.com/gin-contrib/secure v0.0.0-20190301062601-f9a5befa6106
 	github.com/gin-contrib/sessions v0.0.0-20190226023029-1532893d996f
 	github.com/gin-gonic/gin v1.3.0
 	github.com/go-sql-driver/mysql v1.4.1 // indirect
@ -12,8 +11,9 @@ require (
 	github.com/gorilla/websocket v1.4.0
 	github.com/jmoiron/sqlx v1.2.0
 	github.com/lib/pq v1.0.0
+	github.com/lightningnetwork/lnd v0.5.2-beta
 	github.com/mattn/go-isatty v0.0.7 // indirect
-	github.com/mattn/go-sqlite3 v1.10.0
+	github.com/mattn/go-sqlite3 v1.10.0 // indirect
 	github.com/mediocregopher/radix/v3 v3.2.3
 	github.com/namsral/flag v1.7.4-pre
 	github.com/segmentio/ksuid v1.0.2
@ -22,5 +22,9 @@ require (
 	github.com/ugorji/go/codec v0.0.0-20190320090025-2dc34c0b8780 // indirect
 	golang.org/x/net v0.0.0-20190322120337-addf6b3196f6
 	golang.org/x/sys v0.0.0-20190322080309-f49334f85ddc // indirect
+	golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2 // indirect
 	google.golang.org/appengine v1.5.0 // indirect
+	google.golang.org/genproto v0.0.0-20190201180003-4b09977fb922 // indirect
+	google.golang.org/grpc v1.19.1
+	gopkg.in/macaroon.v2 v2.1.0
 )
--- a/go.sum
+++ b/go.sum
@ -1,14 +1,59 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+git.schwanenlied.me/yawning/bsaes.git v0.0.0-20180720073208-c0276d75487e h1:F2x1bq7RaNCIuqYpswggh1+c1JmwdnkHNC9wy1KDip0=
+git.schwanenlied.me/yawning/bsaes.git v0.0.0-20180720073208-c0276d75487e/go.mod h1:BWqTsj8PgcPriQJGl7el20J/7TuT1d/hSyFDXMEpoEo=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/NebulousLabs/fastrand v0.0.0-20180208210444-3cf7173006a0 h1:g/ETZwHx5wN2fqKWS3gCUrEU7dLko+DvVs3hakQCfyE=
+github.com/NebulousLabs/fastrand v0.0.0-20180208210444-3cf7173006a0/go.mod h1:Bdzq+51GR4/0DIhaICZEOm+OHvXGwwB2trKZ8B4Y6eQ=
+github.com/NebulousLabs/go-upnp v0.0.0-20180202185039-29b680b06c82 h1:MG93+PZYs9PyEsj/n5/haQu2gK0h4tUtSy9ejtMwWa0=
+github.com/NebulousLabs/go-upnp v0.0.0-20180202185039-29b680b06c82/go.mod h1:GbuBk21JqF+driLX3XtJYNZjGa45YDoa9IqCTzNSfEc=
+github.com/Yawning/aez v0.0.0-20180114000226-4dad034d9db2 h1:2be4ykKKov3M1yISM2E8gnGXZ/N2SsPawfnGiXxaYEU=
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 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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 github.com/gin-contrib/cors v0.0.0-20190301062745-f9e10995c85a h1:zBycVvXa03SIX+jdMv8wGu9TMDMWdN8EhaR1FoeKHNo=
 github.com/gin-contrib/cors v0.0.0-20190301062745-f9e10995c85a/go.mod h1:pL2kNE+DgDU+eQ+dary5bX0Z6LPP8nR6Mqs1iejILw4=
-github.com/gin-contrib/secure v0.0.0-20190301062601-f9a5befa6106 h1:EvzHcDe2j4sFRLhCJR6sE1cwmt9LtrMMDdejcdjQ1Dg=
-github.com/gin-contrib/secure v0.0.0-20190301062601-f9a5befa6106/go.mod h1:l2I5UUSmHxQp81CF1EmB6RIo22QgZx7yIa8bwgFwq3k=
 github.com/gin-contrib/sessions v0.0.0-20190226023029-1532893d996f h1:f8TGHcU6cxOhMwW6YQhpRe+zlr05qNjVmdcK1qigr5I=
 github.com/gin-contrib/sessions v0.0.0-20190226023029-1532893d996f/go.mod h1:8Xd9k6zfW7ekJjy3wJrgbgB2KWvP+GWywe6PanyMVwI=
 github.com/gin-contrib/sse v0.0.0-20170109093832-22d885f9ecc7 h1:AzN37oI0cOS+cougNAV9szl6CVoj2RYwzS3DpUQNtlY=
@ -16,15 +61,24 @@ github.com/gin-contrib/sse v0.0.0-20170109093832-22d885f9ecc7/go.mod h1:VJ0WA2NB
 github.com/gin-gonic/gin v1.3.0 h1:kCmZyPklC0gVdL728E6Aj20uYBJV93nj/TkwBTKhFbs=
 github.com/gin-gonic/gin v1.3.0/go.mod h1:7cKuhb5qV2ggCFctp2fJQ+ErvciLZrIeoOSOm6mUr7Y=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
+github.com/go-errors/errors v1.0.1 h1:LUHzmkK3GUKUrL/1gfBUxAHzcev3apQlezX/+O7ma6w=
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@ -58,15 +154,23 @@ github.com/mediocregopher/mediocre-go-lib v0.0.0-20181029021733-cb65787f37ed/go.
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+golang.org/x/net v0.0.0-20181106065722-10aee1819953/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190322120337-addf6b3196f6 h1:78jEq2G3J16aXneH23HSnTQQTCwMHoyO8VEiUH+bpPM=
 golang.org/x/net v0.0.0-20190322120337-addf6b3196f6/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
+golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20180821140842-3b58ed4ad339/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181128092732-4ed8d59d0b35/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181228144115-9a3f9b0469bb/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@ -96,14 +223,44 @@ golang.org/x/sys v0.0.0-20190322080309-f49334f85ddc h1:4gbWbmmPFp4ySWICouJl6emP0
 golang.org/x/sys v0.0.0-20190322080309-f49334f85ddc/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2 h1:z99zHgr7hKfrUcX/KsoJk5FJfjTceCKIp96+biqP4To=
+golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2 h1:+DCIGbF/swA92ohVg0//6X2IVY3KZs6p9mix0ziNYJM=
+golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.5.0 h1:KxkO13IPW4Lslp2bz+KHP2E3gtFlrIGNThxkZQ3g+4c=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8 h1:Nw54tB0rB7hY/N0NQvRW8DG4Yk3Q6T9cu9RcFQDu1tc=
+google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
+google.golang.org/genproto v0.0.0-20181127195345-31ac5d88444a/go.mod h1:7Ep/1NZk928CDR8SjdVbjWNpdIf6nzjE3BTgJDr2Atg=
+google.golang.org/genproto v0.0.0-20190201180003-4b09977fb922 h1:mBVYJnbrXLA/ZCBTCe7PtEgAUP+1bg92qTaFoPHdz+8=
+google.golang.org/genproto v0.0.0-20190201180003-4b09977fb922/go.mod h1:L3J43x8/uS+qIUoksaLKe6OS3nUKxOKuIFz1sl2/jx4=
+google.golang.org/grpc v1.12.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
+google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
+google.golang.org/grpc v1.19.1 h1:TrBcJ1yqAl1G++wO39nD/qtgpsW9/1+QGrluyMGEYgM=
+google.golang.org/grpc v1.19.1/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v1 v1.0.0 h1:n+7XfCyygBFb8sEjg6692xjC6Us50TFRO54+xYUEwjE=
+gopkg.in/errgo.v1 v1.0.0/go.mod h1:CxwszS/Xz1C49Ucd2i6Zil5UToP1EmyrFhKaMVbg1mk=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
 gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
 gopkg.in/go-playground/validator.v8 v8.18.2 h1:lFB4DoMU6B626w8ny76MV7VX6W2VHct2GVOI3xgiMrQ=
 gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
+gopkg.in/macaroon-bakery.v2 v2.0.1 h1:0N1TlEdfLP4HXNCg7MQUMp5XwvOoxk+oe9Owr2cpvsc=
+gopkg.in/macaroon-bakery.v2 v2.0.1/go.mod h1:B4/T17l+ZWGwxFSZQmlBwp25x+og7OkhETfr3S9MbIA=
+gopkg.in/macaroon.v2 v2.0.0/go.mod h1:+I6LnTMkm/uV5ew/0nsulNjL16SK4+C8yDmRUzHR17I=
+gopkg.in/macaroon.v2 v2.1.0 h1:HZcsjBCzq9t0eBPMKqTN/uSN6JOm78ZJ2INbqcBQOUI=
+gopkg.in/macaroon.v2 v2.1.0/go.mod h1:OUb+TQP/OP0WOerC2Jp/3CwhIKyIa9kQjuc7H24e6/o=
+gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce h1:xcEWjVhvbDy+nHP67nPDDpbYrY+ILlfndk4bRioVHaU=
+gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
--- a/ln/api.go
+++ b/ln/api.go
@ -5,13 +5,14 @@ import (
 	"encoding/json"
 	"fmt"
 	"log"
-	"net"
 	"net/http"
 	"net/url"
 	"strconv"
-	"time"

+	"git.sp4ke.com/sp4ke/bit4sat/btc"
 	"git.sp4ke.com/sp4ke/bit4sat/config"
+	"git.sp4ke.com/sp4ke/bit4sat/lndrpc"
+	"git.sp4ke.com/sp4ke/bit4sat/utils"
 	"github.com/gin-gonic/gin"
 )

@ -50,7 +51,11 @@ func CheckInvoice(id string) (*Invoice, error) {
 	return &invoice, err
 }

+// This will watch on the pubsub for paid invoices
 func PollPaidInvoice(invoiceId string, invoiceChan chan<- *Invoice, errorChan chan<- error) {
+}
+
+func PollPaidInvoiceTMP(invoiceId string, invoiceChan chan<- *Invoice, errorChan chan<- error) {

 	invoice := Invoice{}

@ -111,7 +116,47 @@ func PollPaidInvoice(invoiceId string, invoiceChan chan<- *Invoice, errorChan ch
 	log.Printf("quit polling %s", invoiceId)
 }

-func NewInvoiceForUpload(amount float32, curr Currency, uploadId string) (*Invoice, error) {
+func NewInvoiceForUpload(amount float64, curr Currency, uploadId string) (*Invoice, error) {
+	var err error
+	var satValue int64
+
+	description := fmt.Sprintf("bit4sat upload: %s", uploadId)
+
+	if curr == CurMSat {
+		log.Println("cur is msat")
+		// Convert to MSAT, meaning values under 1000 MSAT are ignored
+		satValue = int64(amount / 1000)
+
+		// Other supported currecies
+	}
+
+	if curr != CurSat {
+		log.Println("cur is custom")
+
+		// Get Sat satValue for this invoice
+		msatVal, err := btc.ToMsat(CurrencyString[curr], amount)
+		if err != nil {
+			return nil, err
+		}
+
+		satValue = msatVal / 1000
+	} else {
+		satValue = int64(amount)
+	}
+
+	lndInvoice, err := lndrpc.AddInvoiceSat(description, satValue)
+	if err != nil {
+		return nil, err
+	}
+
+	invoice := InvoiceFromLndIn(lndInvoice)
+	invoice.QuotedCurrency = CurrencyString[curr]
+	invoice.QuotedAmount = amount
+
+	return invoice, nil
+}
+
+func NewInvoiceForUploadTMP(amount float32, curr Currency, uploadId string) (*Invoice, error) {

 	webhookUrl := fmt.Sprintf("http://%s:%s/%s", config.ApiHost, config.ApiPort,
 		config.ChargeCallbackEndpoint)
@ -164,21 +209,6 @@ func getUrl(endpoint string) string {

 }

-func newClient() *http.Client {
-	netTransport := &http.Transport{
-		Dial: (&net.Dialer{
-			Timeout: 5 * time.Second,
-		}).Dial,
-		TLSHandshakeTimeout: 5 * time.Second,
-	}
-	c := &http.Client{
-		Timeout:   time.Second * 10,
-		Transport: netTransport,
-	}
-
-	return c
-}
-
 func init() {
-	Client = newClient()
+	Client = utils.NewHttpClient()
 }
--- a/ln/invoice.go
+++ b/ln/invoice.go
@ -1,10 +1,13 @@
 package ln

 import (
+	"encoding/hex"
 	"encoding/json"
 	"fmt"
 	"strconv"
 	"time"
+
+	"github.com/lightningnetwork/lnd/lnrpc"
 )

 type Currency int
@ -17,6 +20,18 @@ const (
 	CurEur
 )

+const (
+	Paid int = iota
+	UnPaid
+	Expired
+)
+
+var InvoiceStatus = map[int]string{
+	UnPaid:  "unpaid",
+	Paid:    "paid",
+	Expired: "expired",
+}
+
 const (
 	InfoEndpoint    = "info"
 	InvoiceEndpoint = "invoice"
@ -71,18 +86,18 @@ func (t timestamp) String() string {
 }

 type Invoice struct {
-	Id             string    `json:"id"`
+	AddIndex       uint64    `json:"-"`
 	Description    string    `json:"description"`
-	Msatoshi       string    `json:"msatoshi"`
+	Msatoshi       float64   `json:"msatoshi"`
 	Payreq         string    `json:"payreq"`
 	RHash          string    `json:"rhash"`
 	Status         string    `json:"status"`
-	QuotedCurrency string    `json:"quoted_currency"`
-	QuotedAmount   string    `json:"quoted_amount"`
 	PaidAt         timestamp `json:"paid_at"`
 	CreatedAt      timestamp `json:"created_at"`
 	ExpiresAt      timestamp `json:"expires_at"`
 	Expired        bool      `json:"-"`
+	QuotedCurrency string    `json:"quoted_currency"`
+	QuotedAmount   float64   `json:"quoted_amount"`
 }

 func (i Invoice) MarshalBinary() ([]byte, error) {
@ -92,3 +107,31 @@ func (i Invoice) MarshalBinary() ([]byte, error) {
 func (i *Invoice) UnmarshalBinary(b []byte) error {
 	return json.Unmarshal(b, &i)
 }
+
+func InvoiceFromLndIn(lndInvoice *lnrpc.Invoice) *Invoice {
+
+	invoice := Invoice{
+		AddIndex:    lndInvoice.AddIndex,
+		Description: lndInvoice.GetMemo(),
+		Msatoshi:    float64(lndInvoice.Value * 1000),
+		Payreq:      lndInvoice.PaymentRequest,
+		RHash:       hex.EncodeToString(lndInvoice.RHash),
+		CreatedAt:   timestamp(time.Unix(lndInvoice.CreationDate, 0)),
+		PaidAt:      timestamp(time.Unix(lndInvoice.SettleDate, 0)),
+		Status:      InvoiceStatus[UnPaid],
+	}
+
+	invoice.ExpiresAt = timestamp(time.Time(invoice.CreatedAt).Add(time.Second * time.Duration(lndInvoice.Expiry)))
+
+	// Calculate status
+	if lndInvoice.Settled {
+		invoice.Status = InvoiceStatus[Paid]
+	}
+
+	if time.Now().After(time.Time(invoice.ExpiresAt)) {
+		invoice.Status = InvoiceStatus[Expired]
+		invoice.Expired = true
+	}
+
+	return &invoice
+}
--- a/lndrpc/commands.go
+++ b/lndrpc/commands.go
@ -0,0 +1,99 @@
+package lndrpc
+
+import (
+	"log"
+
+	"golang.org/x/net/context"
+
+	lnrpc "github.com/lightningnetwork/lnd/lnrpc"
+)
+
+func GetInfo() error {
+	log.Println("get info")
+	ctxb := context.Background()
+	client, cleanUp := getClient()
+	defer cleanUp()
+
+	req := &lnrpc.GetInfoRequest{}
+	resp, err := client.GetInfo(ctxb, req)
+	if err != nil {
+		return err
+	}
+
+	log.Println(resp)
+
+	return nil
+}
+
+func lookupInvoiceRhash(rhash []byte) (*lnrpc.Invoice, error) {
+	ctxb := context.Background()
+	client, cleanUp := getClient()
+	defer cleanUp()
+
+	req := &lnrpc.PaymentHash{
+		RHash: rhash,
+	}
+
+	// Get back the invoice
+	createdInvoice, err := client.LookupInvoice(ctxb, req)
+	if err != nil {
+		return nil, err
+	}
+
+	return createdInvoice, nil
+}
+
+func lookupInvoiceRhashStr(rhash string) (*lnrpc.Invoice, error) {
+
+	ctxb := context.Background()
+	client, cleanUp := getClient()
+	defer cleanUp()
+
+	req := &lnrpc.PaymentHash{
+		RHashStr: rhash,
+	}
+
+	// Get back the invoice
+	createdInvoice, err := client.LookupInvoice(ctxb, req)
+	if err != nil {
+		return nil, err
+	}
+
+	return createdInvoice, nil
+
+}
+
+func AddInvoiceSat(desc string, satVal int64) (*lnrpc.Invoice, error) {
+	ctxb := context.Background()
+	client, cleanUp := getClient()
+	defer cleanUp()
+
+	invoice := &lnrpc.Invoice{
+		Memo: desc,
+
+		// Value in satoshis
+		Value: satVal,
+	}
+
+	resp, err := client.AddInvoice(ctxb, invoice)
+	if err != nil {
+		return nil, err
+	}
+
+	return lookupInvoiceRhash(resp.RHash)
+}
+
+// Blocks until the invoice is paid or expired
+func WatchInvoice(addIndex uint64) (*lnrpc.Invoice, error) {
+	ctxb := context.Background()
+	client, cleanUp := getClient()
+	defer cleanUp()
+
+	subscription := &lnrpc.InvoiceSubscription{}
+
+	subscriptionClient, err := client.SubscribeInvoices(ctxb, subscription)
+	if err != nil {
+		//return nil, err
+	}
+
+}
--- a/lndrpc/grpc.go
+++ b/lndrpc/grpc.go
@ -0,0 +1,108 @@
+// Grpc interface to lnd
+package lndrpc
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+
+	"github.com/lightningnetwork/lnd/lncfg"
+	"github.com/lightningnetwork/lnd/macaroons"
+	macaroon "gopkg.in/macaroon.v2"
+
+	"git.sp4ke.com/sp4ke/bit4sat/config"
+	"github.com/lightningnetwork/lnd/lnrpc"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+)
+
+func fatal(err error) {
+	log.Fatal(err)
+}
+
+func getClient() (lnrpc.LightningClient, func()) {
+	conn := getClientConn()
+
+	cleanUp := func() {
+		conn.Close()
+	}
+
+	return lnrpc.NewLightningClient(conn), cleanUp
+}
+
+func getClientConn() *grpc.ClientConn {
+
+	// Load the specified TLS certificate and build transport credentials
+	// with it.
+	creds, err := credentials.NewClientTLSFromFile(config.LndCertPath, "")
+	if err != nil {
+		fatal(err)
+	}
+
+	// Create a dial options array.
+	opts := []grpc.DialOption{
+		grpc.WithTransportCredentials(creds),
+	}
+
+	// Load the specified macaroon file.
+	macBytes, err := ioutil.ReadFile(config.LndAdminMacaroonPath)
+	if err != nil {
+		fatal(fmt.Errorf("unable to read macaroon path (check "+
+			"the network setting!): %v", err))
+	}
+
+	mac := &macaroon.Macaroon{}
+	if err = mac.UnmarshalBinary(macBytes); err != nil {
+		fatal(fmt.Errorf("unable to decode macaroon: %v", err))
+	}
+
+	macConstraints := []macaroons.Constraint{
+		// We add a time-based constraint to prevent replay of the
+		// macaroon. It's good for 60 seconds by default to make up for
+		// any discrepancy between client and server clocks, but leaking
+		// the macaroon before it becomes invalid makes it possible for
+		// an attacker to reuse the macaroon. In addition, the validity
+		// time of the macaroon is extended by the time the server clock
+		// is behind the client clock, or shortened by the time the
+		// server clock is ahead of the client clock (or invalid
+		// altogether if, in the latter case, this time is more than 60
+		// seconds).
+		// TODO(aakselrod): add better anti-replay protection.
+		macaroons.TimeoutConstraint(60),
+
+		// Lock macaroon down to a specific IP address.
+		//macaroons.IPLockConstraint(config.LockMacaroonIp),
+		macaroons.IPLockConstraint(""),
+
+		// ... Add more constraints if needed.
+	}
+
+	// Apply constraints to the macaroon.
+	constrainedMac, err := macaroons.AddConstraints(mac, macConstraints...)
+	if err != nil {
+		fatal(err)
+	}
+
+	// Now we append the macaroon credentials to the dial options.
+	cred := macaroons.NewMacaroonCredential(constrainedMac)
+	opts = append(opts, grpc.WithPerRPCCredentials(cred))
+
+	// We need to use a custom dialer so we can also connect to unix sockets
+	// and not just TCP addresses.
+
+	opts = append(
+		opts, grpc.WithDialer(
+			lncfg.ClientAddressDialer(config.LndGrpcPort),
+		),
+	)
+	conn, err := grpc.Dial(fmt.Sprintf("%s:%s", config.LndGrpcHost, config.LndGrpcPort), opts...)
+	if err != nil {
+		fatal(fmt.Errorf("unable to connect to RPC server: %v", err))
+	}
+
+	return conn
+}
+
+func init() {
+	log.Println("init grpc")
+}
--- a/main.go
+++ b/main.go
@ -10,8 +10,5 @@ func main() {
 	defer db.DB.Sql.Close()

 	api := api.NewAPI()
-	//invoiceWatcher := watchers.NewInvoiceWatcher()
-	//go invoiceWatcher.Run()
 	api.Run()
-
 }
--- a/storage/upload_ctrl.go
+++ b/storage/upload_ctrl.go
@ -224,7 +224,7 @@ func (ctrl UploadCtrl) PollStatus(c *gin.Context) {

 		log.Println("starting go routine")
 		// If waiting payment, wait until invoice is paid
-		go ln.PollPaidInvoice(invoice.Id, invoiceChan, errorChan)
+		go ln.PollPaidInvoice(invoice.RHash, invoiceChan, errorChan)

 		// Block until payment done or error
 		log.Println("blocking")
--- a/storage/upload_model.go
+++ b/storage/upload_model.go
@ -222,7 +222,7 @@ func GetUploadInvoice(uploadId string) (*ln.Invoice, error) {
 func GetUploadInvoiceId(uploadId string) (string, error) {
 	invoice, err := GetUploadInvoice(uploadId)

-	return invoice.Id, err
+	return invoice.RHash, err
 }

 func SetUploadStatus(id string, status UpStatus) error {
@ -275,7 +275,7 @@ func SetUploadInvoice(uploadId string, invoice *ln.Invoice) error {
 	}

 	// Set inverse relation
-	invoiceUploadKey := fmt.Sprintf("invoice_%s_upload", invoice.Id)
+	invoiceUploadKey := fmt.Sprintf("invoice_%s_upload", invoice.RHash)
 	return DB.Redis.Do(radix.FlatCmd(nil, "SET", invoiceUploadKey, uploadId))
 }

--- a/utils/http.go
+++ b/utils/http.go
@ -0,0 +1,22 @@
+package utils
+
+import (
+	"net"
+	"net/http"
+	"time"
+)
+
+func NewHttpClient() *http.Client {
+	netTransport := &http.Transport{
+		Dial: (&net.Dialer{
+			Timeout: 5 * time.Second,
+		}).Dial,
+		TLSHandshakeTimeout: 5 * time.Second,
+	}
+	c := &http.Client{
+		Timeout:   time.Second * 10,
+		Transport: netTransport,
+	}
+
+	return c
+}
--- a/web/src/Pay.vue
+++ b/web/src/Pay.vue
@ -61,7 +61,11 @@ export default {
        },

        showTimer: function(){
-            return this.invoice.status != 'paid';
+            if (this.invoice.status !== undefined) {
+                return this.invoice.status != 'paid';
+            }
+
+            return false;
        }
    },
    watch: {