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package client
import ( "bytes" "encoding/json" "fmt" "io" "io/ioutil" "net/http"
kzgceremony "github.com/arnaucube/eth-kzg-ceremony-alt" )
type Client struct { url string c *http.Client }
func (c *Client) postWithAuth(url, contentType string, body io.Reader, bearer string) (resp *http.Response, err error) { req, err := http.NewRequest("POST", url, body) if err != nil { return nil, err } req.Header.Set("Content-Type", contentType) req.Header.Add("Authorization", bearer) return c.c.Do(req) }
func NewClient(sequencerURL string) *Client { httpClient := &http.Client{} return &Client{ url: sequencerURL, c: httpClient, } }
func (c *Client) GetCurrentStatus() (*MsgStatus, error) { resp, err := c.c.Get( c.url + "/info/status") if err != nil { return nil, err } if resp.StatusCode != http.StatusOK { return nil, fmt.Errorf("unexpected http code: %d", resp.StatusCode) }
body, err := ioutil.ReadAll(resp.Body) if err != nil { return nil, err }
var msg MsgStatus err = json.Unmarshal(body, &msg) return &msg, err }
func (c *Client) GetCurrentState() (*kzgceremony.State, error) { resp, err := c.c.Get( c.url + "/info/current_state") if err != nil { return nil, err } if resp.StatusCode != http.StatusOK { return nil, fmt.Errorf("unexpected http code: %d", resp.StatusCode) }
body, err := ioutil.ReadAll(resp.Body) if err != nil { return nil, err }
var state *kzgceremony.State err = json.Unmarshal(body, &state) return state, err }
func (c *Client) GetRequestLink() (*MsgRequestLink, error) { resp, err := c.c.Get( c.url + "/auth/request_link") if err != nil { return nil, err } if resp.StatusCode != http.StatusOK { switch resp.StatusCode { case http.StatusBadRequest: return nil, fmt.Errorf("Invalid request. Missing parameters.") case http.StatusUnauthorized: return nil, fmt.Errorf("Eth address doesn't match message signer, or account nonce is too low") case http.StatusForbidden: return nil, fmt.Errorf("Invalid HTTP method") default: return nil, fmt.Errorf("unexpected http code: %d", resp.StatusCode) } }
body, err := ioutil.ReadAll(resp.Body) if err != nil { return nil, err }
var msg MsgRequestLink err = json.Unmarshal(body, &msg) return &msg, err }
func (c *Client) PostAuthCallback() (*MsgRequestLink, error) { resp, err := c.c.Get( c.url + "/auth/request_link") if err != nil { return nil, err } if resp.StatusCode != http.StatusOK { switch resp.StatusCode { case http.StatusBadRequest: return nil, fmt.Errorf("Invalid request. Missing parameters.") case http.StatusUnauthorized: return nil, fmt.Errorf("Eth address doesn't match message signer, or account nonce is too low") case http.StatusForbidden: return nil, fmt.Errorf("Invalid HTTP method") default: return nil, fmt.Errorf("unexpected http code: %d", resp.StatusCode) } }
body, err := ioutil.ReadAll(resp.Body) if err != nil { return nil, err }
var msg MsgRequestLink err = json.Unmarshal(body, &msg) return &msg, err }
func (c *Client) PostTryContribute(sessionID string) (*kzgceremony.BatchContribution, bool, error) { bearer := "Bearer " + sessionID resp, err := c.postWithAuth( c.url+"/lobby/try_contribute", "application/json", nil, bearer) if err != nil { return nil, false, err }
body, err := ioutil.ReadAll(resp.Body) if err != nil { return nil, false, err }
if resp.StatusCode != http.StatusOK { fmt.Println(string(body)) switch resp.StatusCode { case http.StatusBadRequest: return nil, true, fmt.Errorf("call came to early. rate limited") case http.StatusUnauthorized: return nil, false, fmt.Errorf("unkown session id. unauthorized access") default: return nil, false, fmt.Errorf("unexpected http code: %d", resp.StatusCode) } }
err = ioutil.WriteFile("prevBatchContribution.json", body, 0600) if err != nil { return nil, false, err } bc := &kzgceremony.BatchContribution{} err = json.Unmarshal(body, bc) return bc, false, err }
func (c *Client) PostAbortContribution(sessionID string) ([]byte, error) { bearer := "Bearer " + sessionID resp, err := c.postWithAuth( c.url+"/contribution/abort", "application/json", nil, bearer) if err != nil { return nil, err } body, err := ioutil.ReadAll(resp.Body) if err != nil { return nil, err } fmt.Println("body", string(body))
if resp.StatusCode != http.StatusOK { switch resp.StatusCode { case http.StatusBadRequest: return nil, fmt.Errorf("invalid request") case http.StatusUnauthorized: return nil, fmt.Errorf("unkown session id. unauthorized access") default: return nil, fmt.Errorf("unexpected http code: %d", resp.StatusCode) } }
return body, nil }
func (c *Client) PostContribute(sessionID string, bc *kzgceremony.BatchContribution) (*MsgContributeReceipt, error) { bearer := "Bearer " + sessionID
jsonBC, err := json.Marshal(bc) if err != nil { return nil, err }
resp, err := c.postWithAuth( c.url+"/contribute", "application/json", bytes.NewBuffer(jsonBC), bearer) if err != nil { return nil, err } if resp.StatusCode != http.StatusOK { switch resp.StatusCode { case http.StatusBadRequest: return nil, fmt.Errorf("invalid request") default: return nil, fmt.Errorf("unexpected http code: %d", resp.StatusCode) } }
body, err := ioutil.ReadAll(resp.Body) if err != nil { return nil, err }
var msg MsgContributeReceipt err = json.Unmarshal(body, &msg) return &msg, err }
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