275 lines
7.9 KiB
Go
275 lines
7.9 KiB
Go
package server
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"os"
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"time"
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"git.grassecon.net/urdt/ussd/config"
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"git.grassecon.net/urdt/ussd/internal/models"
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"github.com/grassrootseconomics/eth-custodial/pkg/api"
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)
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var (
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okResponse api.OKResponse
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errResponse api.ErrResponse
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)
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type AccountServiceInterface interface {
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CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResponse, error)
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CreateAccount(ctx context.Context) (*api.OKResponse, error)
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CheckAccountStatus(ctx context.Context, trackingId string) (*models.TrackStatusResponse, error)
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TrackAccountStatus(ctx context.Context, publicKey string) (*api.OKResponse, error)
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FetchVouchers(publicKey string) (*models.VoucherHoldingResponse, error)
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}
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type AccountService struct {
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}
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type TestAccountService struct {
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}
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// Parameters:
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// - trackingId: A unique identifier for the account.This should be obtained from a previous call to
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// CreateAccount or a similar function that returns an AccountResponse. The `trackingId` field in the
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// AccountResponse struct can be used here to check the account status during a transaction.
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//
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// Returns:
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// - string: The status of the transaction as a string. If there is an error during the request or processing, this will be an empty string.
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// - error: An error if any occurred during the HTTP request, reading the response, or unmarshalling the JSON data.
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// If no error occurs, this will be nil
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func (as *AccountService) CheckAccountStatus(ctx context.Context, trackingId string) (*models.TrackStatusResponse, error) {
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resp, err := http.Get(config.BalanceURL + trackingId)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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var trackResp models.TrackStatusResponse
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err = json.Unmarshal(body, &trackResp)
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if err != nil {
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return nil, err
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}
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return &trackResp, nil
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}
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func (as *AccountService) TrackAccountStatus(ctx context.Context, publicKey string) (*api.OKResponse, error) {
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var err error
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// Construct the URL with the path parameter
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url := fmt.Sprintf("%s/%s", config.TrackURL, publicKey)
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req, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("X-GE-KEY", "xd")
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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errResponse.Description = err.Error()
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return nil, err
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}
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if resp.StatusCode >= http.StatusBadRequest {
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err := json.Unmarshal([]byte(body), &errResponse)
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if err != nil {
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return nil, err
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}
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return nil, errors.New(errResponse.Description)
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}
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err = json.Unmarshal([]byte(body), &okResponse)
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if err != nil {
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return nil, err
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}
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if len(okResponse.Result) == 0 {
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return nil, errors.New("Empty api result")
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}
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return &okResponse, nil
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}
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// CheckBalance retrieves the balance for a given public key from the custodial balance API endpoint.
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// Parameters:
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// - publicKey: The public key associated with the account whose balance needs to be checked.
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func (as *AccountService) CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResponse, error) {
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resp, err := http.Get(config.BalanceURL + publicKey)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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var balanceResp models.BalanceResponse
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err = json.Unmarshal(body, &balanceResp)
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if err != nil {
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return nil, err
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}
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return &balanceResp, nil
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}
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// CreateAccount creates a new account in the custodial system.
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// Returns:
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// - *models.AccountResponse: A pointer to an AccountResponse struct containing the details of the created account.
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// If there is an error during the request or processing, this will be nil.
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// - error: An error if any occurred during the HTTP request, reading the response, or unmarshalling the JSON data.
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// If no error occurs, this will be nil.
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func (as *AccountService) CreateAccount(ctx context.Context) (*api.OKResponse, error) {
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var err error
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// Create a new request
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req, err := http.NewRequest("POST", config.CreateAccountURL, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("X-GE-KEY", "xd")
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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errResponse.Description = err.Error()
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return nil, err
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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if resp.StatusCode >= http.StatusBadRequest {
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err := json.Unmarshal([]byte(body), &errResponse)
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if err != nil {
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return nil, err
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}
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return nil, errors.New(errResponse.Description)
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}
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err = json.Unmarshal([]byte(body), &okResponse)
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if err != nil {
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return nil, err
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}
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if len(okResponse.Result) == 0 {
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return nil, errors.New("Empty api result")
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}
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return &okResponse, nil
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}
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// FetchVouchers retrieves the token holdings for a given public key from the custodial holdings API endpoint
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// Parameters:
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// - publicKey: The public key associated with the account.
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func (as *AccountService) FetchVouchers(publicKey string) (*models.VoucherHoldingResponse, error) {
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file, err := os.Open("sample_tokens.json")
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if err != nil {
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return nil, err
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}
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defer file.Close()
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var holdings models.VoucherHoldingResponse
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if err := json.NewDecoder(file).Decode(&holdings); err != nil {
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return nil, err
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}
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return &holdings, nil
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}
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func (tas *TestAccountService) CreateAccount(ctx context.Context) (*api.OKResponse, error) {
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return &api.OKResponse{
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Ok: true,
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Description: "Account creation request received successfully",
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Result: map[string]any{"publicKey": "0x48ADca309b5085852207FAaf2816eD72B52F527C", "trackingId": "28ebe84d-b925-472c-87ae-bbdfa1fb97be"},
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}, nil
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}
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func (tas *TestAccountService) CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResponse, error) {
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balanceResponse := &models.BalanceResponse{
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Ok: true,
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Result: struct {
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Balance string `json:"balance"`
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Nonce json.Number `json:"nonce"`
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}{
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Balance: "0.003 CELO",
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Nonce: json.Number("0"),
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},
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}
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return balanceResponse, nil
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}
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func (tas *TestAccountService) TrackAccountStatus(ctx context.Context, publicKey string) (*api.OKResponse, error) {
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return &api.OKResponse{
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Ok: true,
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Description: "Account creation succeeded",
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Result: map[string]any{
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"active": true,
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},
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}, nil
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}
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func (tas *TestAccountService) CheckAccountStatus(ctx context.Context, trackingId string) (*models.TrackStatusResponse, error) {
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trackResponse := &models.TrackStatusResponse{
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Ok: true,
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Result: struct {
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Transaction struct {
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CreatedAt time.Time "json:\"createdAt\""
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Status string "json:\"status\""
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TransferValue json.Number "json:\"transferValue\""
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TxHash string "json:\"txHash\""
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TxType string "json:\"txType\""
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}
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}{
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Transaction: models.Transaction{
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CreatedAt: time.Now(),
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Status: "SUCCESS",
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TransferValue: json.Number("0.5"),
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TxHash: "0x123abc456def",
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TxType: "transfer",
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},
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},
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}
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return trackResponse, nil
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}
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func (tas *TestAccountService) FetchVouchers(publicKey string) (*models.VoucherHoldingResponse, error) {
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return &models.VoucherHoldingResponse{
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Ok: true,
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Result: struct {
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Holdings []struct {
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ContractAddress string `json:"contractAddress"`
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TokenSymbol string `json:"tokenSymbol"`
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TokenDecimals string `json:"tokenDecimals"`
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Balance string `json:"balance"`
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} `json:"holdings"`
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}{
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Holdings: []struct {
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ContractAddress string `json:"contractAddress"`
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TokenSymbol string `json:"tokenSymbol"`
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TokenDecimals string `json:"tokenDecimals"`
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Balance string `json:"balance"`
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}{
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{
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ContractAddress: "0x6CC75A06ac72eB4Db2eE22F781F5D100d8ec03ee",
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TokenSymbol: "SRF",
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TokenDecimals: "6",
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Balance: "2745987",
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},
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},
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},
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}, nil
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}
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