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Refactor getWitness method

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Manfred Karrer 2017-11-03 11:48:22 -05:00
parent 00d868dd9d
commit d8845f0cc6
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1 changed files with 28 additions and 9 deletions
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37
core/src/main/java/io/bisq/core/payment/AccountAgeWitnessService.java
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@ -45,7 +45,7 @@ import static com.google.common.base.Preconditions.checkNotNull;
public class AccountAgeWitnessService {
// TODO update release date
private static final Date RELEASE = Utilities.getUTCDate(2017, GregorianCalendar.OCTOBER, 23);
private static final Date RELEASE = Utilities.getUTCDate(2017, GregorianCalendar.NOVEMBER, 2);
private static final Date FIRST_PHASE = Utilities.getUTCDate(2017, GregorianCalendar.DECEMBER, 15);
private static final Date SECOND_PHASE = Utilities.getUTCDate(2018, GregorianCalendar.JANUARY, 15);
public static final Date FULL_ACTIVATION = Utilities.getUTCDate(2018, GregorianCalendar.FEBRUARY, 15);
@ -138,16 +138,19 @@ public class AccountAgeWitnessService {
return Utilities.concatenateByteArrays(paymentAccountPayload.getAgeWitnessInputData(), paymentAccountPayload.getSalt());
}
public AccountAgeWitness getWitness(PaymentAccountPayload paymentAccountPayload, PubKeyRing pubKeyRing) {
public AccountAgeWitness getNewWitness(PaymentAccountPayload paymentAccountPayload, PubKeyRing pubKeyRing) {
byte[] accountInputDataWithSalt = getAccountInputDataWithSalt(paymentAccountPayload);
byte[] hash = Hash.getSha256Ripemd160hash(Utilities.concatenateByteArrays(accountInputDataWithSalt,
pubKeyRing.getSignaturePubKeyBytes()));
return new AccountAgeWitness(hash, new Date().getTime());
}
public Optional<AccountAgeWitness> findWitness(PaymentAccountPayload paymentAccountPayload, PubKeyRing pubKeyRing) {
byte[] accountInputDataWithSalt = getAccountInputDataWithSalt(paymentAccountPayload);
byte[] hash = Hash.getSha256Ripemd160hash(Utilities.concatenateByteArrays(accountInputDataWithSalt,
pubKeyRing.getSignaturePubKeyBytes()));
Optional<AccountAgeWitness> accountAgeWitnessOptional = getWitnessByHash(hash);
if (accountAgeWitnessOptional.isPresent())
return accountAgeWitnessOptional.get();
else
return new AccountAgeWitness(hash, new Date().getTime());
return getWitnessByHash(hash);
}
public Optional<AccountAgeWitness> getWitnessByHash(byte[] hash) {
@ -240,7 +243,11 @@ public class AccountAgeWitnessService {
///////////////////////////////////////////////////////////////////////////////////////////
public AccountAgeWitness getMyWitness(PaymentAccountPayload paymentAccountPayload) {
return getWitness(paymentAccountPayload, keyRing.getPubKeyRing());
final Optional<AccountAgeWitness> accountAgeWitnessOptional = findWitness(paymentAccountPayload, keyRing.getPubKeyRing());
if (accountAgeWitnessOptional.isPresent())
return accountAgeWitnessOptional.get();
else
return getNewWitness(paymentAccountPayload, keyRing.getPubKeyRing());
}
public byte[] getMyWitnessHash(PaymentAccountPayload paymentAccountPayload) {
@ -285,7 +292,19 @@ public class AccountAgeWitnessService {
byte[] nonce,
byte[] signature,
ErrorMessageHandler errorMessageHandler) {
AccountAgeWitness peersWitness = getWitness(peersPaymentAccountPayload, peersPubKeyRing);
final Optional<AccountAgeWitness> accountAgeWitnessOptional = findWitness(peersPaymentAccountPayload, peersPubKeyRing);
// If we don't find a stored witness data we create a new dummy object which makes is easier to reuse the
// below validation methods. This peersWitness object is not used beside for validation. Some of the
// validation calls are pointless in the case we create a new Witness ourselves but the verifyPeersTradeLimit
// need still be called, so we leave also the rest for sake of simplicity.
AccountAgeWitness peersWitness;
if (accountAgeWitnessOptional.isPresent()) {
peersWitness = accountAgeWitnessOptional.get();
} else {
peersWitness = getNewWitness(peersPaymentAccountPayload, peersPubKeyRing);
log.warn("We did not find the peers witness data. That is expected with peers using an older version.");
}
// Check if date in witness is not older than the release date of that feature (was added in v0.6)
// TODO set date before releasing
if (!isDateAfterReleaseDate(peersWitness.getDate(), RELEASE, errorMessageHandler))