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get available local balance

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This commit is contained in:
Carsten Otto
2021-11-12 17:35:05 +01:00
parent def458ebbb
commit a746dfd664
11 changed files with 204 additions and 18 deletions
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34
application/src/main/java/de/cotto/lndmanagej/service/BalanceService.java Normal file
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package de.cotto.lndmanagej.service;
import de.cotto.lndmanagej.grpc.GrpcChannels;
import de.cotto.lndmanagej.model.ChannelId;
import de.cotto.lndmanagej.model.Coins;
import de.cotto.lndmanagej.model.LocalChannel;
import org.springframework.stereotype.Component;
@Component
public class BalanceService {
private final GrpcChannels grpcChannels;
public BalanceService(GrpcChannels grpcChannels) {
this.grpcChannels = grpcChannels;
}
public Coins getLocalBalance(ChannelId channelId) {
return grpcChannels.getChannel(channelId).map(LocalChannel::getLocalBalance).orElse(Coins.NONE);
}
public Coins getLocalReserve(ChannelId channelId) {
return grpcChannels.getChannel(channelId).map(LocalChannel::getLocalReserve).orElse(Coins.NONE);
}
public Coins getAvailableLocalBalance(ChannelId channelId) {
Coins available = grpcChannels.getChannel(channelId)
.map(c -> c.getLocalBalance().subtract(c.getLocalReserve()))
.orElse(Coins.NONE);
if (available.isNegative()) {
return Coins.NONE;
}
return available;
}
}