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// Package xmrpayclnt is a client library for the MoneroPay v2 HTTP API.
//
// All amounts are in piconero.
package xmrpayclnt
import (
"bytes"
"encoding/json"
"log"
"net/http"
"net/url"
"os"
"git.samanthony.xyz/jttp"
"gitlab.com/moneropay/moneropay/v2/pkg/model"
)
const (
balancePath = "/balance"
healthPath = "/health"
receivePath = "/receive"
)
var lg = log.New(os.Stderr, "xmrpayclnt: ", log.LstdFlags)
type Client struct {
c *jttp.Client
endpoint *url.URL
}
// New creates a client that will connect to the MoneroPay server at
// endpoint.
func New(endpoint *url.URL) *Client {
return WithClient(&http.Client{}, endpoint)
}
// WithClient creates a MoneroPay client that will use the given HTTP
// client to connect to the MoneroPay server at endpoint.
func WithClient(c *http.Client, endpoint *url.URL) *Client {
return &Client{jttp.NewClient(c), endpoint}
}
// Balance returns the entire wallet balance.
func (c *Client) Balance() (model.BalanceResponse, error) {
url := c.endpoint.JoinPath(balancePath)
req, err := http.NewRequest(http.MethodGet, url.String(), nil)
if err != nil {
return model.BalanceResponse{}, err
}
var bal model.BalanceResponse
err = c.c.Do(req, http.StatusOK, &bal)
return bal, err
}
// Health returns true if all required services are up.
func (c *Client) Health() (bool, error) {
url := c.endpoint.JoinPath(healthPath)
req, err := http.NewRequest(http.MethodGet, url.String(), nil)
if err != nil {
return false, err
}
var health model.HealthResponse
err = c.c.Do(req, http.StatusOK, &health)
return err == nil, err
}
// NewTx creates a subaddress for incoming transfers.
func (c *Client) NewTx(amount uint64, description string) (model.ReceivePostResponse, error) {
return c.postReceive(amount, description, "")
}
// NewTxWithCallback creates a subaddress and a callback to monitor it.
func (c *Client) NewTxWithCallback(amount uint64, description string, ch *CallbackHandler) (model.ReceivePostResponse, Callback, error) {
cb := ch.listen()
if resp, err := c.postReceive(amount, description, cb.url.String()); err == nil {
return resp, cb, nil
} else {
cb.Close()
return resp, Callback{}, err
}
}
// GetTxStatus retrieves information about a transfer on a subaddress.
func (c *Client) GetTxStatus(address string) (model.ReceiveGetResponse, error) {
var resp model.ReceiveGetResponse
url := c.endpoint.JoinPath(receivePath, address)
req, err := http.NewRequest(http.MethodGet, url.String(), nil)
if err != nil {
return resp, err
}
err = c.c.Do(req, http.StatusOK, &resp)
return resp, err
}
func (c *Client) postReceive(amount uint64, description string, callbackUrl string) (model.ReceivePostResponse, error) {
var resp model.ReceivePostResponse
body := new(bytes.Buffer)
enc := json.NewEncoder(body)
err := enc.Encode(model.ReceivePostRequest{amount, callbackUrl, description})
if err != nil {
return resp, err
}
url := c.endpoint.JoinPath(receivePath)
req, err := http.NewRequest(http.MethodPost, url.String(), body)
if err != nil {
return resp, err
}
err = c.c.Do(req, http.StatusOK, &resp)
return resp, err
}
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