forked from Qortal/qortal
CalDescent
1 year ago
1 changed files with 70 additions and 0 deletions
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package org.qortal.api.resource; |
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import io.swagger.v3.oas.annotations.Operation; |
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import io.swagger.v3.oas.annotations.media.Content; |
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import io.swagger.v3.oas.annotations.media.Schema; |
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import io.swagger.v3.oas.annotations.responses.ApiResponse; |
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import io.swagger.v3.oas.annotations.tags.Tag; |
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import org.apache.logging.log4j.LogManager; |
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import org.apache.logging.log4j.Logger; |
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import org.qortal.api.*; |
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import org.qortal.block.BlockChain; |
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import org.qortal.repository.DataException; |
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import org.qortal.repository.Repository; |
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import org.qortal.repository.RepositoryManager; |
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import org.qortal.utils.Amounts; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.ws.rs.*; |
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import javax.ws.rs.core.Context; |
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import javax.ws.rs.core.MediaType; |
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import java.math.BigDecimal; |
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import java.util.List; |
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@Path("/stats") |
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@Tag(name = "Stats") |
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public class StatsResource { |
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private static final Logger LOGGER = LogManager.getLogger(StatsResource.class); |
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@Context |
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HttpServletRequest request; |
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@GET |
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@Path("/supply/circulating") |
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@Operation( |
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summary = "Fetch circulating QORT supply", |
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responses = { |
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@ApiResponse( |
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description = "circulating supply of QORT", |
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content = @Content(mediaType = MediaType.TEXT_PLAIN, schema = @Schema(type = "string", format = "number")) |
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) |
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} |
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) |
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public BigDecimal circulatingSupply() { |
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long total = 0L; |
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try (final Repository repository = RepositoryManager.getRepository()) { |
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int currentHeight = repository.getBlockRepository().getBlockchainHeight(); |
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List<BlockChain.RewardByHeight> rewardsByHeight = BlockChain.getInstance().getBlockRewardsByHeight(); |
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int rewardIndex = rewardsByHeight.size() - 1; |
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BlockChain.RewardByHeight rewardInfo = rewardsByHeight.get(rewardIndex); |
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for (int height = currentHeight; height > 1; --height) { |
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if (height < rewardInfo.height) { |
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--rewardIndex; |
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rewardInfo = rewardsByHeight.get(rewardIndex); |
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} |
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total += rewardInfo.reward; |
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} |
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return Amounts.toBigDecimal(total); |
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} catch (DataException e) { |
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throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.REPOSITORY_ISSUE, e); |
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} |
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} |
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} |
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