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[feat] : 업비트 자동매매 기능 초기 구현
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97 changes: 97 additions & 0 deletions
97
backend/src/main/java/org/dgu/backend/service/UpbitApiClient.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| package org.dgu.backend.service; | ||
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|
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| import lombok.RequiredArgsConstructor; | ||
| import org.dgu.backend.dto.UpbitDto; | ||
| import org.dgu.backend.exception.UpbitErrorResult; | ||
| import org.dgu.backend.exception.UpbitException; | ||
| import org.springframework.http.*; | ||
| import org.springframework.stereotype.Component; | ||
| import org.springframework.web.client.HttpClientErrorException; | ||
| import org.springframework.web.client.RestTemplate; | ||
|
|
||
| import java.util.Objects; | ||
| import java.util.Optional; | ||
|
|
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| @Component | ||
| @RequiredArgsConstructor | ||
| public class UpbitApiClient { | ||
| private final RestTemplate restTemplate; | ||
|
|
||
| // HTTP GET 요청을 보내고 결과를 처리하는 메서드 | ||
| private <T> T sendHttpGetRequest(String url, Class<T> responseType, Optional<String> token) { | ||
| HttpHeaders headers = new HttpHeaders(); | ||
| headers.set("accept", MediaType.APPLICATION_JSON_VALUE); | ||
| token.ifPresent(t -> headers.add("Authorization", "Bearer " + t)); | ||
|
|
||
| try { | ||
| ResponseEntity<T> responseEntity = restTemplate.exchange( | ||
| url, | ||
| HttpMethod.GET, | ||
| new HttpEntity<>(headers), | ||
| responseType | ||
| ); | ||
| if (Objects.isNull(responseEntity.getBody())) { | ||
| throw new UpbitException(UpbitErrorResult.FAIL_GET_RESPONSE); | ||
| } | ||
| return responseEntity.getBody(); | ||
| } catch (HttpClientErrorException e) { | ||
| if (e.getStatusCode() == HttpStatus.UNAUTHORIZED && e.getResponseBodyAsString().contains("no_authorization_ip")) { | ||
| throw new UpbitException(UpbitErrorResult.UNAUTHORIZED_IP); | ||
| } else { | ||
| throw new UpbitException(UpbitErrorResult.UNAUTHORIZED_KEY); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // HTTP POST 주문 요청을 보내고 결과를 처리하는 메서드 | ||
| private <T> T sendHttpPostRequest(String url, Class<T> responseType, String token, Object requestBody) { | ||
| HttpHeaders headers = new HttpHeaders(); | ||
| headers.set("accept", MediaType.APPLICATION_JSON_VALUE); | ||
| headers.add("Authorization", "Bearer " + token); | ||
| headers.setContentType(MediaType.APPLICATION_JSON); | ||
|
|
||
| try { | ||
| ResponseEntity<T> responseEntity = restTemplate.exchange( | ||
| url, | ||
| HttpMethod.POST, | ||
| new HttpEntity<>(requestBody, headers), | ||
| responseType | ||
| ); | ||
| if (Objects.isNull(responseEntity.getBody())) { | ||
| throw new UpbitException(UpbitErrorResult.FAIL_GET_RESPONSE); | ||
| } | ||
| return responseEntity.getBody(); | ||
| } catch (HttpClientErrorException e) { | ||
| if (e.getStatusCode() == HttpStatus.UNAUTHORIZED && e.getResponseBodyAsString().contains("no_authorization_ip")) { | ||
| throw new UpbitException(UpbitErrorResult.UNAUTHORIZED_IP); | ||
| } else { | ||
| throw new UpbitException(UpbitErrorResult.UNAUTHORIZED_KEY); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // 캔들 차트 조회 업비트 API와 통신하는 메서드 | ||
| public UpbitDto.CandleInfoResponse[] getCandleInfoAtUpbit(String url) { | ||
| return sendHttpGetRequest(url, UpbitDto.CandleInfoResponse[].class, Optional.empty()); | ||
| } | ||
|
|
||
| // 가상화폐 조회 업비트 API와 통신하는 메서드 | ||
| public UpbitDto.MarketResponse[] getAllMarketsAtUpbit(String url) { | ||
| return sendHttpGetRequest(url, UpbitDto.MarketResponse[].class, Optional.empty()); | ||
| } | ||
|
|
||
| // 전체 계좌 조회 업비트 API와 통신하는 메서드 | ||
| public UpbitDto.Account[] getUserAccountsAtUpbit(String url, String token) { | ||
| return sendHttpGetRequest(url, UpbitDto.Account[].class, Optional.ofNullable(token)); | ||
| } | ||
|
|
||
| // 시세 현재가 조회 업비트 API와 통신하는 메서드 | ||
| public UpbitDto.Ticker[] getTickerPriceAtUpbit(String url) { | ||
| return sendHttpGetRequest(url, UpbitDto.Ticker[].class, Optional.empty()); | ||
| } | ||
|
|
||
| // 주문 생성 업비트 API와 통신하는 메서드 | ||
| public UpbitDto.OrderResponse[] createNewOrder(String url, String token, UpbitDto.OrderRequest request) { | ||
| return sendHttpPostRequest(url, UpbitDto.OrderResponse[].class, token, request); | ||
| } | ||
| } |
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