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added balance client and invalidated balance for legacy re claiming (#…
…202)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| package balance | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| "net/http/httputil" | ||
| "net/url" | ||
| "os" | ||
| "time" | ||
|
|
||
| "github.com/brave-intl/bat-go/utils/closers" | ||
| "github.com/rs/zerolog/log" | ||
| uuid "github.com/satori/go.uuid" | ||
| ) | ||
|
|
||
| // Client abstracts over the underlying client | ||
| type Client interface { | ||
| InvalidateBalance(ctx context.Context, id uuid.UUID) error | ||
| } | ||
|
|
||
| // HTTPClient wraps http.Client for interacting with the ledger server | ||
| type HTTPClient struct { | ||
| BaseURL *url.URL | ||
| AuthToken string | ||
|
|
||
| client *http.Client | ||
| } | ||
|
|
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| // New returns a new HTTPClient, retrieving the base URL from the environment | ||
| func New() (*HTTPClient, error) { | ||
| serverURL := os.Getenv("BALANCE_SERVER") | ||
|
|
||
| if len(serverURL) == 0 { | ||
| return nil, errors.New("BALANCE_SERVER was empty") | ||
| } | ||
|
|
||
| baseURL, err := url.Parse(serverURL) | ||
|
|
||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &HTTPClient{ | ||
| BaseURL: baseURL, | ||
| AuthToken: os.Getenv("BALANCE_TOKEN"), | ||
| client: &http.Client{ | ||
| Timeout: time.Second * 10, | ||
| }, | ||
| }, nil | ||
| } | ||
|
|
||
| func (c *HTTPClient) newRequest(ctx context.Context, method, path string, body interface{}) (*http.Request, error) { | ||
| url := c.BaseURL.ResolveReference(&url.URL{Path: path}) | ||
|
|
||
| var buf io.ReadWriter | ||
| if body != nil { | ||
| buf = new(bytes.Buffer) | ||
| err := json.NewEncoder(buf).Encode(body) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| req, err := http.NewRequest(method, url.String(), buf) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| req.Header.Set("accept", "application/json") | ||
|
|
||
| if body != nil { | ||
| req.Header.Add("content-type", "application/json") | ||
| } | ||
|
|
||
| logger := log.Ctx(ctx) | ||
|
|
||
| dump, err := httputil.DumpRequestOut(req, true) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| logger.Debug().Str("type", "http.Request").Msg(string(dump)) | ||
|
|
||
| req.Header.Set("authorization", "Bearer "+c.AuthToken) | ||
|
|
||
| return req, err | ||
| } | ||
|
|
||
| func (c *HTTPClient) do(req *http.Request, v interface{}) (*http.Response, error) { | ||
| resp, err := c.client.Do(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer closers.Panic(resp.Body) | ||
|
|
||
| if resp.StatusCode >= 200 && resp.StatusCode <= 299 { | ||
| if v != nil { | ||
| err = json.NewDecoder(resp.Body).Decode(v) | ||
| if err != nil { | ||
| return resp, err | ||
| } | ||
| } | ||
| return resp, nil | ||
| } | ||
| return resp, fmt.Errorf("Request error: %d", resp.StatusCode) | ||
| } | ||
|
|
||
| // InvalidateBalance invalidates the cached value on balance | ||
| func (c *HTTPClient) InvalidateBalance(ctx context.Context, id uuid.UUID) error { | ||
| req, err := c.newRequest(ctx, "DELETE", "v2/wallet/"+id.String()+"/balance", nil) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| _, err = c.do(req, nil) | ||
|
|
||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |
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