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Add sanity check for a min. block height for the snapshot height

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We don't allow to get further back than 767950 (the block height from Dec. 18th 2022)

Signed-off-by: HenrikJannsen <boilingfrog@gmx.com>
This commit is contained in:
HenrikJannsen 2022-12-18 12:27:29 -05:00
parent 72372970f8
commit c36c9b214c
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GPG key ID: 02AA2BAE387C8307
1 changed files with 10 additions and 2 deletions
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12
core/src/main/java/bisq/core/dao/burningman/DelayedPayoutTxReceiverService.java
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@ -23,6 +23,7 @@ import bisq.core.dao.state.DaoStateListener;
import bisq.core.dao.state.DaoStateService;
import bisq.core.dao.state.model.blockchain.Block;
import bisq.common.config.Config;
import bisq.common.util.Tuple2;
import javax.inject.Inject;
@ -37,6 +38,8 @@ import java.util.stream.Collectors;
import lombok.extern.slf4j.Slf4j;
import static com.google.common.base.Preconditions.checkArgument;
/**
* Used in the trade protocol for creating and verifying the delayed payout transaction.
* Requires to be deterministic.
@ -46,6 +49,9 @@ import lombok.extern.slf4j.Slf4j;
@Slf4j
@Singleton
public class DelayedPayoutTxReceiverService implements DaoStateListener {
// We don't allow to get further back than 767950 (the block height from Dec. 18th 2022).
static final int MIN_SNAPSHOT_HEIGHT = Config.baseCurrencyNetwork().isRegtest() ? 111 : 767950;
// One part of the limit for the min. amount to be included in the DPT outputs.
// The miner fee rate multiplied by 2 times the output size is the other factor.
// The higher one of both is used. 1000 sat is about 2 USD @ 20k price.
@ -107,6 +113,8 @@ public class DelayedPayoutTxReceiverService implements DaoStateListener {
public List<Tuple2<Long, String>> getReceivers(int burningManSelectionHeight,
long inputAmount,
long tradeTxFee) {
checkArgument(burningManSelectionHeight >= MIN_SNAPSHOT_HEIGHT, "Selection height must be >= " + MIN_SNAPSHOT_HEIGHT);
Collection<BurningManCandidate> burningManCandidates = burningManService.getBurningManCandidatesByName(burningManSelectionHeight).values();
if (burningManCandidates.isEmpty()) {
// If there are no compensation requests (e.g. at dev testing) we fall back to the legacy BM
@ -183,9 +191,9 @@ public class DelayedPayoutTxReceiverService implements DaoStateListener {
int minSnapshotHeight = genesisHeight + 3 * grid;
if (height > minSnapshotHeight) {
int ratio = (int) Math.round(height / (double) grid);
return ratio * grid - grid;
return Math.max(MIN_SNAPSHOT_HEIGHT, ratio * grid - grid);
} else {
return genesisHeight;
return Math.max(MIN_SNAPSHOT_HEIGHT, genesisHeight);
}
}
}