private void initNewStore(NetworkParameters params) throws Exception {
byte[] header;
header = HEADER_MAGIC.getBytes("US-ASCII");
buffer.put(header);
// Insert the genesis block.
lock.lock();
try {
setRingCursor(buffer, FILE_PROLOGUE_BYTES);
} finally {
lock.unlock();
}
Block genesis = params.getGenesisBlock().cloneAsHeader();
StoredBlock storedGenesis = new StoredBlock(genesis, genesis.getWork(), 0);
put(storedGenesis);
setChainHead(storedGenesis);
}
/**
* Constructs a new object by trying to parse the input as a valid Bitcoin URI.
*
* @param params The network parameters that determine which network the URI is from, or null if
* you don't have any expectation about what network the URI is for and wish to check
* yourself.
* @param input The raw URI data to be parsed (see class comments for accepted formats)
* @throws BitcoinURIParseException If the input fails Bitcoin URI syntax and semantic checks.
*/
public BitcoinURI(@Nullable NetworkParameters params, String input)
throws BitcoinURIParseException {
checkNotNull(input);
log.debug("Attempting to parse '{}' for {}", input, params == null ? "any" : params.getId());
// Attempt to form the URI (fail fast syntax checking to official standards).
URI uri;
try {
uri = new URI(input);
} catch (URISyntaxException e) {
throw new BitcoinURIParseException("Bad URI syntax", e);
}
// URI is formed as bitcoin:<address>?<query parameters>
// blockchain.info generates URIs of non-BIP compliant form bitcoin://address?....
// We support both until Ben fixes his code.
// Remove the bitcoin scheme.
// (Note: getSchemeSpecificPart() is not used as it unescapes the label and parse then fails.
// For instance with :
// bitcoin:129mVqKUmJ9uwPxKJBnNdABbuaaNfho4Ha?amount=0.06&label=Tom%20%26%20Jerry
// the & (%26) in Tom and Jerry gets interpreted as a separator and the label then gets parsed
// as 'Tom ' instead of 'Tom & Jerry')
String schemeSpecificPart;
if (input.startsWith("dogecoin://")) {
schemeSpecificPart = input.substring("dogecoin://".length());
} else if (input.startsWith("dogecoin:")) {
schemeSpecificPart = input.substring("dogecoin:".length());
} else {
throw new BitcoinURIParseException("Unsupported URI scheme: " + uri.getScheme());
}
// Split off the address from the rest of the query parameters.
String[] addressSplitTokens = schemeSpecificPart.split("\\?", 2);
if (addressSplitTokens.length == 0)
throw new BitcoinURIParseException("No data found after the bitcoin: prefix");
String addressToken = addressSplitTokens[0]; // may be empty!
String[] nameValuePairTokens;
if (addressSplitTokens.length == 1) {
// Only an address is specified - use an empty '<name>=<value>' token array.
nameValuePairTokens = new String[] {};
} else {
// Split into '<name>=<value>' tokens.
nameValuePairTokens = addressSplitTokens[1].split("&");
}
// Attempt to parse the rest of the URI parameters.
parseParameters(params, addressToken, nameValuePairTokens);
if (!addressToken.isEmpty()) {
// Attempt to parse the addressToken as a Bitcoin address for this network
try {
Address address = new Address(params, addressToken);
putWithValidation(FIELD_ADDRESS, address);
} catch (final AddressFormatException e) {
throw new BitcoinURIParseException("Bad address", e);
}
}
if (addressToken.isEmpty() && getPaymentRequestUrl() == null) {
throw new BitcoinURIParseException("No address and no r= parameter found");
}
}