/**
* Initializes the blockchain and blockstore objects.
*
* @throws BlockStoreException if something went wrong and I can't create the blockchain
*/
private void initialize() throws BlockStoreException {
/**
* I will define the SPV blockstore were I will save the blockchain. I will be saving the file
* under the network type I'm being created for.
*/
File blockChainFile = new File(BLOCKCHAIN_PATH, BLOCKCHAIN_FILENAME);
/**
* I will verify in the blockchain file already exists. to set a boolean variable and decide
* later If I will add checkpoints.
*/
boolean firstTime = true;
if (blockChainFile.exists()) {
firstTime = false;
// if this is regTest I will delete the blockstore to download it again.
if (BLOCKCHAIN_NETWORK_TYPE == BlockchainNetworkType.REG_TEST) blockChainFile.delete();
}
/** I create the blockstore. */
try {
blockStore = new SPVBlockStore(context.getParams(), blockChainFile);
} catch (Exception e) {
/** If there is an error saving it to file, I will save it to memory */
initializeInMemory();
System.out.println(
"*** Fermat Crypto Network Warning, error creating file to store blockchain, will save it to memory.");
System.out.println("*** Fermat Crypto Network: " + e.toString());
}
/** I initialize the blockchain object */
blockChain = new BlockChain(context, wallet, blockStore);
}
private void initializeInMemory() throws BlockStoreException {
blockStore = new MemoryBlockStore(context.getParams());
blockChain = new BlockChain(context, wallet, blockStore);
}