com.hedera.hashgraph.sdk.TokenInfoQuery Maven / Gradle / Ivy
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/*-
*
* Hedera Java SDK
*
* Copyright (C) 2020 - 2024 Hedera Hashgraph, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package com.hedera.hashgraph.sdk;
import com.hedera.hashgraph.sdk.proto.Query;
import com.hedera.hashgraph.sdk.proto.QueryHeader;
import com.hedera.hashgraph.sdk.proto.Response;
import com.hedera.hashgraph.sdk.proto.ResponseHeader;
import com.hedera.hashgraph.sdk.proto.TokenGetInfoQuery;
import com.hedera.hashgraph.sdk.proto.TokenServiceGrpc;
import io.grpc.MethodDescriptor;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
import javax.annotation.Nullable;
/**
* Initializes the TokenInfoQuery object.
*/
public class TokenInfoQuery extends com.hedera.hashgraph.sdk.Query {
@Nullable
TokenId tokenId = null;
/**
* Constructor.
*/
public TokenInfoQuery() {
}
/**
* Extract the token id.
*
* @return the token id
*/
@Nullable
public TokenId getTokenId() {
return tokenId;
}
/**
* Sets the Token ID for which information is requested.
*
* @param tokenId The TokenId to be set
* @return {@code this}
*/
public TokenInfoQuery setTokenId(TokenId tokenId) {
Objects.requireNonNull(tokenId);
this.tokenId = tokenId;
return this;
}
@Override
void validateChecksums(Client client) throws BadEntityIdException {
if (tokenId != null) {
tokenId.validateChecksum(client);
}
}
@Override
void onMakeRequest(com.hedera.hashgraph.sdk.proto.Query.Builder queryBuilder, QueryHeader header) {
var builder = TokenGetInfoQuery.newBuilder();
if (tokenId != null) {
builder.setToken(tokenId.toProtobuf());
}
queryBuilder.setTokenGetInfo(builder.setHeader(header));
}
@Override
ResponseHeader mapResponseHeader(Response response) {
return response.getTokenGetInfo().getHeader();
}
@Override
QueryHeader mapRequestHeader(com.hedera.hashgraph.sdk.proto.Query request) {
return request.getTokenGetInfo().getHeader();
}
@Override
TokenInfo mapResponse(Response response, AccountId nodeId, Query request) {
return TokenInfo.fromProtobuf(response.getTokenGetInfo());
}
@Override
MethodDescriptor getMethodDescriptor() {
return TokenServiceGrpc.getGetTokenInfoMethod();
}
@Override
public CompletableFuture getCostAsync(Client client) {
// deleted accounts return a COST_ANSWER of zero which triggers `INSUFFICIENT_TX_FEE`
// if you set that as the query payment; 25 tinybar seems to be enough to get
// `Token_DELETED` back instead.
return super.getCostAsync(client).thenApply((cost) -> Hbar.fromTinybars(Math.max(cost.toTinybars(), 25)));
}
}