Publish

glief.go

@@ -0,0 +1,189 @@
+package glieflookup
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"time"
+
+	validations "github.com/robfordww/finident"
+)
+
+type GLIEF struct {
+	Meta struct {
+		GoldenCopy struct {
+			PublishDate time.Time `json:"publishDate"`
+		} `json:"goldenCopy"`
+		Pagination struct {
+			CurrentPage int `json:"currentPage"`
+			PerPage     int `json:"perPage"`
+			From        int `json:"from"`
+			To          int `json:"to"`
+			Total       int `json:"total"`
+			LastPage    int `json:"lastPage"`
+		} `json:"pagination"`
+	} `json:"meta"`
+	Links struct {
+		First string `json:"first"`
+		Last  string `json:"last"`
+	} `json:"links"`
+	Data []struct {
+		Type       string `json:"type"`
+		ID         string `json:"id"`
+		Attributes struct {
+			Lei    string `json:"lei"`
+			Entity struct {
+				LegalName struct {
+					Name     string `json:"name"`
+					Language string `json:"language"`
+				} `json:"legalName"`
+				OtherNames               []interface{} `json:"otherNames"`
+				TransliteratedOtherNames []interface{} `json:"transliteratedOtherNames"`
+				LegalAddress             struct {
+					Language                    string      `json:"language"`
+					AddressLines                []string    `json:"addressLines"`
+					AddressNumber               interface{} `json:"addressNumber"`
+					AddressNumberWithinBuilding interface{} `json:"addressNumberWithinBuilding"`
+					MailRouting                 interface{} `json:"mailRouting"`
+					City                        string      `json:"city"`
+					Region                      string      `json:"region"`
+					Country                     string      `json:"country"`
+					PostalCode                  string      `json:"postalCode"`
+				} `json:"legalAddress"`
+				HeadquartersAddress struct {
+					Language                    string      `json:"language"`
+					AddressLines                []string    `json:"addressLines"`
+					AddressNumber               interface{} `json:"addressNumber"`
+					AddressNumberWithinBuilding interface{} `json:"addressNumberWithinBuilding"`
+					MailRouting                 interface{} `json:"mailRouting"`
+					City                        string      `json:"city"`
+					Region                      string      `json:"region"`
+					Country                     string      `json:"country"`
+					PostalCode                  string      `json:"postalCode"`
+				} `json:"headquartersAddress"`
+				RegisteredAt struct {
+					ID    string      `json:"id"`
+					Other interface{} `json:"other"`
+				} `json:"registeredAt"`
+				RegisteredAs interface{} `json:"registeredAs"`
+				Jurisdiction string      `json:"jurisdiction"`
+				Category     interface{} `json:"category"`
+				LegalForm    struct {
+					ID    string `json:"id"`
+					Other string `json:"other"`
+				} `json:"legalForm"`
+				AssociatedEntity struct {
+					Lei  interface{} `json:"lei"`
+					Name interface{} `json:"name"`
+				} `json:"associatedEntity"`
+				Status     string `json:"status"`
+				Expiration struct {
+					Date   interface{} `json:"date"`
+					Reason interface{} `json:"reason"`
+				} `json:"expiration"`
+				SuccessorEntity struct {
+					Lei  interface{} `json:"lei"`
+					Name interface{} `json:"name"`
+				} `json:"successorEntity"`
+				OtherAddresses []interface{} `json:"otherAddresses"`
+			} `json:"entity"`
+			Registration struct {
+				InitialRegistrationDate time.Time `json:"initialRegistrationDate"`
+				LastUpdateDate          time.Time `json:"lastUpdateDate"`
+				Status                  string    `json:"status"`
+				NextRenewalDate         time.Time `json:"nextRenewalDate"`
+				ManagingLou             string    `json:"managingLou"`
+				CorroborationLevel      string    `json:"corroborationLevel"`
+				ValidatedAt             struct {
+					ID    string      `json:"id"`
+					Other interface{} `json:"other"`
+				} `json:"validatedAt"`
+				ValidatedAs                interface{}   `json:"validatedAs"`
+				OtherValidationAuthorities []interface{} `json:"otherValidationAuthorities"`
+			} `json:"registration"`
+			Bic interface{} `json:"bic"`
+		} `json:"attributes"`
+		Relationships struct {
+			ManagingLou struct {
+				Links struct {
+					Related string `json:"related"`
+				} `json:"links"`
+			} `json:"managing-lou"`
+			LeiIssuer struct {
+				Links struct {
+					Related string `json:"related"`
+				} `json:"links"`
+			} `json:"lei-issuer"`
+			FieldModifications struct {
+				Links struct {
+					Related string `json:"related"`
+				} `json:"links"`
+			} `json:"field-modifications"`
+			DirectParent struct {
+				Links struct {
+					ReportingException string `json:"reporting-exception"`
+				} `json:"links"`
+			} `json:"direct-parent"`
+			UltimateParent struct {
+				Links struct {
+					ReportingException string `json:"reporting-exception"`
+				} `json:"links"`
+			} `json:"ultimate-parent"`
+			DirectChildren struct {
+				Links struct {
+					RelationshipRecords string `json:"relationship-records"`
+					Related             string `json:"related"`
+				} `json:"links"`
+			} `json:"direct-children"`
+			UltimateChildren struct {
+				Links struct {
+					RelationshipRecords string `json:"relationship-records"`
+					Related             string `json:"related"`
+				} `json:"links"`
+			} `json:"ultimate-children"`
+			Isins struct {
+				Links struct {
+					Related string `json:"related"`
+				} `json:"links"`
+			} `json:"isins"`
+		} `json:"relationships"`
+		Links struct {
+			Self string `json:"self"`
+		} `json:"links"`
+	} `json:"data"`
+}
+
+var gliefAPIURI = "https://api.gleif.org/api/v1/lei-records?filter[isin]=%v"
+
+func lookup_LEI(inISIN string) (string, error) {
+	var e error
+
+	isinOK, err := validations.ValidateISIN(inISIN)
+	if err == nil {
+		//log.Printf("%q is Valid %v", inISIN, isinOK)
+		if isinOK {
+			uri := fmt.Sprintf(gliefAPIURI, inISIN)
+			//log.Printf("URI=[%q]", uri)
+
+			resp, err := http.Get(uri)
+			if err != nil {
+				fmt.Println("No response from request")
+			}
+			defer resp.Body.Close()
+			body, err := ioutil.ReadAll(resp.Body) // response body is []byte
+			//fmt.Println(string(body))
+			var result GLIEF
+			if err := json.Unmarshal(body, &result); err != nil { // Parse []byte to go struct pointer
+				fmt.Println("Can not unmarshal JSON")
+			}
+			//fmt.Printf("result: %v\n", result)
+			//spew.Dump(result)
+			return result.Data[0].Attributes.Lei, nil
+		}
+	} else {
+		return "", err
+	}
+
+	return "", e
+}

glief_test.go

@@ -0,0 +1,28 @@
+package glieflookup
+
+import (
+	"log"
+	"testing"
+)
+
+func TestGlief(t *testing.T) {
+
+	g, e := lookup_LEI("GB00BL68HJ26")
+	if e != nil {
+		log.Println(e.Error())
+	}
+	t.Log(g)
+	log.Printf("LEI=%q", g)
+
+}
+
+func TestGliefFail(t *testing.T) {
+
+	g, e := lookup_LEI("PO00BL68poop")
+	if e != nil {
+		log.Println(e.Error())
+	}
+	t.Log(g)
+	log.Printf("LEI=%q", g)
+
+}

go.mod

@@ -0,0 +1,8 @@
+module github.com/mt1976/gliefLookup
+
+go 1.17
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/robfordww/finident v0.1.1 // indirect
+)

go.sum

@@ -0,0 +1,4 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/robfordww/finident v0.1.1 h1:1whO7toWmDEYT1IFjbPA1IVzy11hjl1iJpgGebKxt3A=
+github.com/robfordww/finident v0.1.1/go.mod h1:8pDtYqWSOqXL+6GCpGOWzi5+wYitmaZ8rie1XWzMOlg=