private static Block createGenesis(NetworkParameters n) {
Block genesisBlock = new Block(n);
Transaction t = new Transaction(n);
try {
// A script containing the difficulty bits and the following message:
//
// "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"
byte[] bytes =
Utils.HEX.decode(
"04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73");
t.addInput(new TransactionInput(n, t, bytes));
ByteArrayOutputStream scriptPubKeyBytes = new ByteArrayOutputStream();
Script.writeBytes(
scriptPubKeyBytes,
Utils.HEX.decode(
"04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f"));
scriptPubKeyBytes.write(ScriptOpCodes.OP_CHECKSIG);
t.addOutput(new TransactionOutput(n, t, FIFTY_COINS, scriptPubKeyBytes.toByteArray()));
} catch (Exception e) {
// Cannot happen.
throw new RuntimeException(e);
}
genesisBlock.addTransaction(t);
return genesisBlock;
}
private void readTransaction(Protos.Transaction txProto, NetworkParameters params)
throws UnreadableWalletException {
Transaction tx = new Transaction(params);
if (txProto.hasUpdatedAt()) {
tx.setUpdateTime(new Date(txProto.getUpdatedAt()));
}
for (Protos.TransactionOutput outputProto : txProto.getTransactionOutputList()) {
Coin value = Coin.valueOf(outputProto.getValue());
byte[] scriptBytes = outputProto.getScriptBytes().toByteArray();
TransactionOutput output = new TransactionOutput(params, tx, value, scriptBytes);
tx.addOutput(output);
}
for (Protos.TransactionInput inputProto : txProto.getTransactionInputList()) {
byte[] scriptBytes = inputProto.getScriptBytes().toByteArray();
TransactionOutPoint outpoint =
new TransactionOutPoint(
params,
inputProto.getTransactionOutPointIndex() & 0xFFFFFFFFL,
byteStringToHash(inputProto.getTransactionOutPointHash()));
Coin value = inputProto.hasValue() ? Coin.valueOf(inputProto.getValue()) : null;
TransactionInput input = new TransactionInput(params, tx, scriptBytes, outpoint, value);
if (inputProto.hasSequence()) {
input.setSequenceNumber(inputProto.getSequence());
}
tx.addInput(input);
}
for (int i = 0; i < txProto.getBlockHashCount(); i++) {
ByteString blockHash = txProto.getBlockHash(i);
int relativityOffset = 0;
if (txProto.getBlockRelativityOffsetsCount() > 0)
relativityOffset = txProto.getBlockRelativityOffsets(i);
tx.addBlockAppearance(byteStringToHash(blockHash), relativityOffset);
}
if (txProto.hasLockTime()) {
tx.setLockTime(0xffffffffL & txProto.getLockTime());
}
if (txProto.hasPurpose()) {
switch (txProto.getPurpose()) {
case UNKNOWN:
tx.setPurpose(Transaction.Purpose.UNKNOWN);
break;
case USER_PAYMENT:
tx.setPurpose(Transaction.Purpose.USER_PAYMENT);
break;
case KEY_ROTATION:
tx.setPurpose(Transaction.Purpose.KEY_ROTATION);
break;
case ASSURANCE_CONTRACT_CLAIM:
tx.setPurpose(Transaction.Purpose.ASSURANCE_CONTRACT_CLAIM);
break;
case ASSURANCE_CONTRACT_PLEDGE:
tx.setPurpose(Transaction.Purpose.ASSURANCE_CONTRACT_PLEDGE);
break;
case ASSURANCE_CONTRACT_STUB:
tx.setPurpose(Transaction.Purpose.ASSURANCE_CONTRACT_STUB);
break;
default:
throw new RuntimeException("New purpose serialization not implemented");
}
} else {
// Old wallet: assume a user payment as that's the only reason a new tx would have been
// created back then.
tx.setPurpose(Transaction.Purpose.USER_PAYMENT);
}
if (txProto.hasExchangeRate()) {
Protos.ExchangeRate exchangeRateProto = txProto.getExchangeRate();
tx.setExchangeRate(
new ExchangeRate(
Coin.valueOf(exchangeRateProto.getCoinValue()),
Fiat.valueOf(
exchangeRateProto.getFiatCurrencyCode(), exchangeRateProto.getFiatValue())));
}
if (txProto.hasMemo()) tx.setMemo(txProto.getMemo());
// Peercoin: Include time
tx.setTime(txProto.getTime());
// Transaction should now be complete.
Sha256Hash protoHash = byteStringToHash(txProto.getHash());
if (!tx.getHash().equals(protoHash))
throw new UnreadableWalletException(
String.format(
"Transaction did not deserialize completely: %s vs %s", tx.getHash(), protoHash));
if (txMap.containsKey(txProto.getHash()))
throw new UnreadableWalletException(
"Wallet contained duplicate transaction " + byteStringToHash(txProto.getHash()));
txMap.put(txProto.getHash(), tx);
}