A

add(Block) - Method in class com.google.bitcoin.core.BlockChain

Processes a received block and tries to add it to the chain.

addEventListener(WalletEventListener) - Method in class com.google.bitcoin.core.Wallet

Adds an event listener object.

addInput(TransactionOutput) - Method in class com.google.bitcoin.core.Transaction

Adds an input to this transaction that imports value from the given output.

addKey(ECKey) - Method in class com.google.bitcoin.core.Wallet

Adds the given ECKey to the wallet.

addOutput(TransactionOutput) - Method in class com.google.bitcoin.core.Transaction

Adds the given output to this transaction.

Address - Class in com.google.bitcoin.core

A BitCoin address is fundamentally derived from an elliptic curve public key and a set of network parameters.

Address(NetworkParameters, byte[]) - Constructor for class com.google.bitcoin.core.Address

Construct an address from parameters and the hash160 form.

Address(NetworkParameters, String) - Constructor for class com.google.bitcoin.core.Address

Construct an address from parameters and the standard "human readable" form.

AddressFormatException - Exception in com.google.bitcoin.core

 

AddressFormatException() - Constructor for exception com.google.bitcoin.core.AddressFormatException

 

AddressFormatException(String) - Constructor for exception com.google.bitcoin.core.AddressFormatException

 

addressHeader - Variable in class com.google.bitcoin.core.NetworkParameters

First byte of a base58 encoded address.

AddressMessage - Class in com.google.bitcoin.core

 

addTransaction(Transaction) - Method in class com.google.bitcoin.core.Block

Adds a transaction to this block.

ALLOWED_TIME_DRIFT - Static variable in class com.google.bitcoin.core.Block

 

B

Base58 - Class in com.google.bitcoin.core

A custom form of base58 is used to encode BitCoin addresses.

Base58() - Constructor for class com.google.bitcoin.core.Base58

 

bitcoinSerialize() - Method in class com.google.bitcoin.core.GetBlocksMessage

 

bitcoinSerialize() - Method in class com.google.bitcoin.core.GetDataMessage

 

bitcoinSerialize() - Method in class com.google.bitcoin.core.Message

 

bitcoinSerializeToStream(OutputStream) - Method in class com.google.bitcoin.core.InventoryMessage

 

bitcoinSerializeToStream(OutputStream) - Method in class com.google.bitcoin.core.PeerAddress

 

bitcoinSerializeToStream(OutputStream) - Method in class com.google.bitcoin.core.Transaction

 

bitcoinSerializeToStream(OutputStream) - Method in class com.google.bitcoin.core.TransactionInput

 

bitcoinSerializeToStream(OutputStream) - Method in class com.google.bitcoin.core.TransactionOutPoint

 

bitcoinSerializeToStream(OutputStream) - Method in class com.google.bitcoin.core.TransactionOutput

 

bitcoinSerializeToStream(OutputStream) - Method in class com.google.bitcoin.core.VersionMessage

 

bitcoinValueToFriendlyString(BigInteger) - Static method in class com.google.bitcoin.core.Utils

Returns the given value in nanocoins as a 0.12 type string.

Block - Class in com.google.bitcoin.core

A block is the foundation of the BitCoin system.

Block(NetworkParameters, byte[]) - Constructor for class com.google.bitcoin.core.Block

Constructs a block object from the BitCoin wire format.

BlockChain - Class in com.google.bitcoin.core

A BlockChain holds a series of Block objects, links them together, and knows how to verify that the chain follows the rules of the NetworkParameters for this chain.

BlockChain(NetworkParameters, Wallet) - Constructor for class com.google.bitcoin.core.BlockChain

 

bytes - Variable in class com.google.bitcoin.core.Message

 

bytesToHexString(byte[]) - Static method in class com.google.bitcoin.core.Utils

Returns the given byte array hex encoded.

C

CENT - Static variable in class com.google.bitcoin.core.Utils

How many nanocoins there are in 0.01 BitCoins.

clientVersion - Variable in class com.google.bitcoin.core.VersionMessage

 

COIN - Static variable in class com.google.bitcoin.core.Utils

How many nanocoins there are in a BitCoin.

com.google.bitcoin.core - package com.google.bitcoin.core

 

com.google.bitcoin.examples - package com.google.bitcoin.examples

 

cursor - Variable in class com.google.bitcoin.core.Message

 

D

decode(String) - Static method in class com.google.bitcoin.core.Base58

 

decodeToBigInteger(String) - Static method in class com.google.bitcoin.core.Base58

 

disconnect() - Method in class com.google.bitcoin.core.Peer

Terminates the network connection and stops the background thread.

doubleDigest(byte[]) - Static method in class com.google.bitcoin.core.Utils

See Utils.doubleDigest(byte[],int,int).

doubleDigest(byte[], int, int) - Static method in class com.google.bitcoin.core.Utils

Calculates the SHA-256 hash of the given byte range, and then hashes the resulting hash again.

doubleDigestTwoBuffers(byte[], int, int, byte[], int, int) - Static method in class com.google.bitcoin.core.Utils

Calculates SHA256(SHA256(byte range 1 + byte range 2)).

E

ECKey - Class in com.google.bitcoin.core

Represents an elliptic curve keypair that we own and can use for signing transactions.

ECKey() - Constructor for class com.google.bitcoin.core.ECKey

Generates an entirely new keypair.

ECKey(BigInteger) - Constructor for class com.google.bitcoin.core.ECKey

Creates an ECKey given only the private key.

EMPTY_ARRAY - Static variable in class com.google.bitcoin.core.TransactionInput

 

encode(byte[]) - Static method in class com.google.bitcoin.core.Base58

 

encode() - Method in class com.google.bitcoin.core.VarInt

 

encodeBE() - Method in class com.google.bitcoin.core.VarInt

 

equals(Object) - Method in class com.google.bitcoin.core.Address

 

equals(Object) - Method in class com.google.bitcoin.core.Block

 

equals(Object) - Method in class com.google.bitcoin.core.Transaction

 

F

findKeyFromPubHash(byte[]) - Method in class com.google.bitcoin.core.Wallet

Locates a keypair from the keychain given the hash of the public key.

fromASN1(byte[]) - Static method in class com.google.bitcoin.core.ECKey

Construct an ECKey from an ASN.1 encoded private key.

G

genesisBlock - Variable in class com.google.bitcoin.core.NetworkParameters

Genesis block for this chain

getBalance() - Method in class com.google.bitcoin.core.Wallet

Returns the balance of this wallet in nanocoins by summing up all unspent outputs that were sent to us.

getBlock(byte[]) - Method in class com.google.bitcoin.core.Peer

Asks the connected peer for the block of the given hash, and returns a Future representing the answer.

GetBlocksMessage - Class in com.google.bitcoin.core

 

GetBlocksMessage(NetworkParameters, List<byte[]>, byte[]) - Constructor for class com.google.bitcoin.core.GetBlocksMessage

 

GetDataMessage - Class in com.google.bitcoin.core

 

GetDataMessage(NetworkParameters, byte[]) - Constructor for class com.google.bitcoin.core.GetDataMessage

 

getFromAddress() - Method in class com.google.bitcoin.core.Script

Convenience wrapper around getPubKey.

getFromAddress() - Method in class com.google.bitcoin.core.TransactionInput

Convenience method that returns the from address of this input by parsing the scriptSig.

getHash() - Method in class com.google.bitcoin.core.Block

Returns the hash of the block (which for a valid, solved block should be below the target).

getHash() - Method in class com.google.bitcoin.core.Transaction

Returns the transaction hash as you see them in the block explorer.

getHash160() - Method in class com.google.bitcoin.core.Address

The (big endian) 20 byte hash that is the core of a BitCoin address.

getHashAsString() - Method in class com.google.bitcoin.core.Block

Returns the hash of the block (which for a valid, solved block should be below the target) in the form seen on the block explorer.

getHashAsString() - Method in class com.google.bitcoin.core.Transaction

 

getInputs() - Method in class com.google.bitcoin.core.Transaction

Returns a read-only list of the inputs of this transaction.

getMerkleRoot() - Method in class com.google.bitcoin.core.Block

Returns the merkle root in big endian form, calculating it from transactions if necessary.

getPubKey() - Method in class com.google.bitcoin.core.ECKey

Gets the raw public key value.

getPubKey() - Method in class com.google.bitcoin.core.Script

If a program has two data buffers (constants) and nothing else, the second one is returned.

getPubKeyHash() - Method in class com.google.bitcoin.core.ECKey

Gets the hash160 form of the public key (as seen in addresses).

getPubKeyHash() - Method in class com.google.bitcoin.core.Script

If a program matches the standard template DUP HASH160 EQUALVERIFY CHECKSIG then this function retrieves the third element, otherwise it throws a ScriptException.

getScriptBytes() - Method in class com.google.bitcoin.core.TransactionOutput

 

getScriptPubKey() - Method in class com.google.bitcoin.core.TransactionOutput

 

getScriptSig() - Method in class com.google.bitcoin.core.TransactionInput

Returns the input script.

getSizeInBytes() - Method in class com.google.bitcoin.core.VarInt

 

getToAddress() - Method in class com.google.bitcoin.core.Script

Gets the destination address from this script, if it's in the required form (see getPubKey).

getTopBlock() - Method in class com.google.bitcoin.core.BlockChain

Returns the highest known block or null if the chain is empty (top block is genesis).

getUnconnectedBlock() - Method in class com.google.bitcoin.core.BlockChain

Returns the most recent unconnected block or null if there are none.

getValue() - Method in class com.google.bitcoin.core.TransactionOutput

Returns the value of this output in nanocoins.

getValueSentToMe(Wallet) - Method in class com.google.bitcoin.core.Transaction

Returns the sum of the outputs that are sending coins to a key in our wallet.

H

hash - Variable in class com.google.bitcoin.core.InventoryItem

 

hashCode() - Method in class com.google.bitcoin.core.Address

 

hashCode() - Method in class com.google.bitcoin.core.Block

 

hashCode() - Method in class com.google.bitcoin.core.Transaction

 

I

InventoryItem - Class in com.google.bitcoin.core

 

InventoryItem(InventoryItem.Type, byte[]) - Constructor for class com.google.bitcoin.core.InventoryItem

 

InventoryItem.Type - Enum in com.google.bitcoin.core

 

InventoryMessage - Class in com.google.bitcoin.core

 

InventoryMessage(NetworkParameters, byte[]) - Constructor for class com.google.bitcoin.core.InventoryMessage

 

InventoryMessage(NetworkParameters) - Constructor for class com.google.bitcoin.core.InventoryMessage

 

isCoinBase() - Method in class com.google.bitcoin.core.Transaction

A coinbase transaction is one that creates a new coin.

isCoinBase() - Method in class com.google.bitcoin.core.TransactionInput

Coinbase transactions have special inputs with hashes of zero.

isLessThanUnsigned(long, long) - Static method in class com.google.bitcoin.core.Utils

Work around lack of unsigned types in Java.

isMine(Wallet) - Method in class com.google.bitcoin.core.TransactionOutput

Returns true if this output is to an address we have the keys for in the wallet.

isSentToIP() - Method in class com.google.bitcoin.core.Script

Returns true if this transaction is of a format that means it was a direct IP to IP transaction.

isTransactionPresent(Transaction) - Method in class com.google.bitcoin.core.Wallet

Returns true if the given transaction is present in the wallet, comparing by hash value (not by object reference).

items - Variable in class com.google.bitcoin.core.InventoryMessage

 

J

join(Script, Script) - Static method in class com.google.bitcoin.core.Script

Concatenates two scripts to form a new one.

K

keychain - Variable in class com.google.bitcoin.core.Wallet

 

L

loadFromFile(File) - Static method in class com.google.bitcoin.core.Wallet

Returns a wallet deserialized from the given file.

localServices - Variable in class com.google.bitcoin.core.VersionMessage

 

M

main(String[]) - Static method in class com.google.bitcoin.examples.PingService

 

main(String[]) - Static method in class com.google.bitcoin.examples.PrivateKeys

 

MAX_SIZE - Static variable in class com.google.bitcoin.core.Message

 

Message - Class in com.google.bitcoin.core

A Message is a data structure that can be serialized/deserialized using both the BitCoin proprietary serialization format and built-in Java object serialization.

Message() - Constructor for class com.google.bitcoin.core.Message

This exists for the Java serialization framework to use only.

N

NetworkConnection - Class in com.google.bitcoin.core

A NetworkConnection handles talking to a remote BitCoin peer at a low level.

NetworkConnection(InetAddress, NetworkParameters) - Constructor for class com.google.bitcoin.core.NetworkConnection

Connect to the given IP address using the port specified as part of the network parameters.

NetworkParameters - Class in com.google.bitcoin.core

NetworkParameters contains the data needed for working with an instantiation of a BitCoin chain.

NetworkParameters() - Constructor for class com.google.bitcoin.core.NetworkParameters

 

O

offset - Variable in class com.google.bitcoin.core.Message

 

onCoinsReceived(Wallet, Transaction, BigInteger, BigInteger) - Method in interface com.google.bitcoin.core.WalletEventListener

This is called on a Peer thread when a block is received that sends some coins to you.

OP_CHECKSIG - Static variable in class com.google.bitcoin.core.Script

 

OP_DUP - Static variable in class com.google.bitcoin.core.Script

 

OP_EQUALVERIFY - Static variable in class com.google.bitcoin.core.Script

 

OP_HASH160 - Static variable in class com.google.bitcoin.core.Script

 

OP_PUSHDATA1 - Static variable in class com.google.bitcoin.core.Script

 

OP_PUSHDATA2 - Static variable in class com.google.bitcoin.core.Script

 

OP_PUSHDATA4 - Static variable in class com.google.bitcoin.core.Script

 

P

packetMagic - Variable in class com.google.bitcoin.core.NetworkParameters

The header bytes that identify the start of a packet on this network.

params - Variable in class com.google.bitcoin.core.Message

 

parse() - Method in class com.google.bitcoin.core.GetBlocksMessage

 

parse() - Method in class com.google.bitcoin.core.GetDataMessage

 

parse() - Method in class com.google.bitcoin.core.InventoryMessage

 

parse() - Method in class com.google.bitcoin.core.PeerAddress

 

parse() - Method in class com.google.bitcoin.core.UnknownMessage

 

parse() - Method in class com.google.bitcoin.core.VersionMessage

 

Peer - Class in com.google.bitcoin.core

A Peer handles the high level communication with a BitCoin node.

Peer(NetworkParameters, NetworkConnection, BlockChain) - Constructor for class com.google.bitcoin.core.Peer

Construct a peer that handles the given network connection and reads/writes from the given block chain.

PeerAddress - Class in com.google.bitcoin.core

A PeerAddress holds an IP address and port number representing the network location of a peer in the BitCoin P2P network.

PeerAddress(NetworkParameters, byte[], int) - Constructor for class com.google.bitcoin.core.PeerAddress

 

PeerAddress(InetAddress, int) - Constructor for class com.google.bitcoin.core.PeerAddress

 

ping() - Method in class com.google.bitcoin.core.NetworkConnection

Sends a "ping" message to the remote node.

PingService - Class in com.google.bitcoin.examples

PingService demonstrates basic usage of the library.

PingService() - Constructor for class com.google.bitcoin.examples.PingService

 

port - Variable in class com.google.bitcoin.core.NetworkParameters

Default TCP port on which to connect to nodes.

PrivateKeys - Class in com.google.bitcoin.examples

This example shows how to solve the challenge Hal posted here: http://www.bitcoin.org/smf/index.php?topic=3638.0 in which a private key with some coins associated with it is published.

PrivateKeys() - Constructor for class com.google.bitcoin.examples.PrivateKeys

 

prodNet() - Static method in class com.google.bitcoin.core.NetworkParameters

The primary BitCoin chain created by Satoshi.

proofOfWorkLimit - Variable in class com.google.bitcoin.core.NetworkParameters

What the easiest allowable proof of work should be.

PROTOCOL_VERSION - Static variable in class com.google.bitcoin.core.VersionMessage

 

ProtocolException - Exception in com.google.bitcoin.core

 

ProtocolException(String) - Constructor for exception com.google.bitcoin.core.ProtocolException

 

ProtocolException(Exception) - Constructor for exception com.google.bitcoin.core.ProtocolException

 

ProtocolException(String, Exception) - Constructor for exception com.google.bitcoin.core.ProtocolException

 

R

readMessage() - Method in class com.google.bitcoin.core.NetworkConnection

Reads a network message from the wire, blocking until the message is fully received.

readUint32(byte[], int) - Static method in class com.google.bitcoin.core.Utils

 

readUint32BE(byte[], int) - Static method in class com.google.bitcoin.core.Utils

 

reverseBytes(byte[]) - Static method in class com.google.bitcoin.core.Utils

Returns a copy of the given byte array in reverse order.

run(Transaction) - Method in class com.google.bitcoin.core.Script

Runs the script with the given Transaction as the "context".

S

saveToFile(File) - Method in class com.google.bitcoin.core.Wallet

Uses Java serialization to save the wallet to the given file.

Script - Class in com.google.bitcoin.core

BitCoin transactions don't specify what they do directly.

Script(NetworkParameters, byte[], int, int) - Constructor for class com.google.bitcoin.core.Script

Construct a Script using the given network parameters and a range of the programBytes array.

ScriptException - Exception in com.google.bitcoin.core

 

ScriptException(String) - Constructor for exception com.google.bitcoin.core.ScriptException

 

ScriptException(String, Exception) - Constructor for exception com.google.bitcoin.core.ScriptException

 

sendCoins(Peer, Address, BigInteger) - Method in class com.google.bitcoin.core.Wallet

Sends coins to the given address, via the given Peer.

setTracing(boolean) - Method in class com.google.bitcoin.core.Script

If true, running a program will log its instructions.

sha256hash160(byte[]) - Static method in class com.google.bitcoin.core.Utils

Calculates RIPEMD160(SHA256(input)).

shutdown() - Method in class com.google.bitcoin.core.NetworkConnection

Shuts down the network socket.

sign(byte[]) - Method in class com.google.bitcoin.core.ECKey

Calcuates an ECDSA signature in DER format for the given input hash.

signInputs(Transaction.SigHash, Wallet) - Method in class com.google.bitcoin.core.Transaction

Once a transaction has some inputs and outputs added, the signatures in the inputs can be calculated.

start() - Method in class com.google.bitcoin.core.Peer

Starts the background thread that processes messages.

startBlockChainDownload() - Method in class com.google.bitcoin.core.Peer

Starts an asynchronous download of the block chain.

T

testNet() - Static method in class com.google.bitcoin.core.NetworkParameters

The test chain created by Gavin.

time - Variable in class com.google.bitcoin.core.VersionMessage

 

toAddress(NetworkParameters) - Method in class com.google.bitcoin.core.ECKey

 

toNanoCoins(int, int) - Static method in class com.google.bitcoin.core.Utils

Convert an amount expressed in the way humans are used to into nanocoins.

toString() - Method in class com.google.bitcoin.core.Address

 

toString() - Method in class com.google.bitcoin.core.AddressMessage

 

toString() - Method in class com.google.bitcoin.core.Block

Returns a multi-line string containing a description of the contents of the block.

toString() - Method in class com.google.bitcoin.core.ECKey

 

toString() - Method in class com.google.bitcoin.core.GetBlocksMessage

 

toString() - Method in class com.google.bitcoin.core.InventoryItem

 

toString() - Method in class com.google.bitcoin.core.PeerAddress

 

toString() - Method in class com.google.bitcoin.core.Script

Returns the program opcodes as a string, for example "[1234] DUP HAHS160"

toString() - Method in class com.google.bitcoin.core.Transaction

 

toString() - Method in class com.google.bitcoin.core.TransactionInput

Returns a human readable debug string.

toString() - Method in class com.google.bitcoin.core.TransactionOutput

Returns a human readable debug string.

toString() - Method in class com.google.bitcoin.core.UnknownMessage

 

Transaction - Class in com.google.bitcoin.core

A transaction represents the movement of coins from some addresses to some other addresses.

Transaction(NetworkParameters, byte[]) - Constructor for class com.google.bitcoin.core.Transaction

Creates a transaction from the given serialized bytes, eg, from a block or a tx network message.

Transaction(NetworkParameters, byte[], int) - Constructor for class com.google.bitcoin.core.Transaction

Creates a transaction by reading payload starting from offset bytes in.

Transaction.SigHash - Enum in com.google.bitcoin.core

These constants are a part of a scriptSig signature on the inputs.

TransactionInput - Class in com.google.bitcoin.core

A transfer of coins from one address to another creates a transaction in which the outputs can be claimed by the recipient in the input of another transaction.

TransactionInput(NetworkParameters, byte[], int) - Constructor for class com.google.bitcoin.core.TransactionInput

Deserializes an input message.

TransactionOutPoint - Class in com.google.bitcoin.core

This message is effectively a reference or pointer to a transaction output.

TransactionOutPoint(NetworkParameters, byte[], int) - Constructor for class com.google.bitcoin.core.TransactionOutPoint

Deserializes the message.

TransactionOutput - Class in com.google.bitcoin.core

A TransactionOutput message contains a scriptPubKey that controls who is able to spend its value.

TransactionOutput(NetworkParameters, Transaction, byte[], int) - Constructor for class com.google.bitcoin.core.TransactionOutput

Deserializes a transaction output message.

type - Variable in class com.google.bitcoin.core.InventoryItem

 

U

uint32ToByteArrayBE(long, byte[], int) - Static method in class com.google.bitcoin.core.Utils

 

uint32ToByteArrayLE(long, byte[], int) - Static method in class com.google.bitcoin.core.Utils

 

uint32ToByteStreamLE(long, OutputStream) - Static method in class com.google.bitcoin.core.Utils

 

uint64ToByteStreamLE(BigInteger, OutputStream) - Static method in class com.google.bitcoin.core.Utils

 

UnknownMessage - Class in com.google.bitcoin.core

 

UnknownMessage(NetworkParameters, String, byte[]) - Constructor for class com.google.bitcoin.core.UnknownMessage

 

unspent - Variable in class com.google.bitcoin.core.Wallet

 

Utils - Class in com.google.bitcoin.core

A collection of various utility methods that are helpful for working with the BitCoin protocol.

Utils() - Constructor for class com.google.bitcoin.core.Utils

 

V

value - Variable in class com.google.bitcoin.core.VarInt

 

valueOf(String) - Static method in enum com.google.bitcoin.core.InventoryItem.Type

Returns the enum constant of this type with the specified name.

valueOf(String) - Static method in enum com.google.bitcoin.core.Transaction.SigHash

Returns the enum constant of this type with the specified name.

values() - Static method in enum com.google.bitcoin.core.InventoryItem.Type

Returns an array containing the constants of this enum type, in the order they are declared.

values() - Static method in enum com.google.bitcoin.core.Transaction.SigHash

Returns an array containing the constants of this enum type, in the order they are declared.

VarInt - Class in com.google.bitcoin.core

 

VarInt(long) - Constructor for class com.google.bitcoin.core.VarInt

 

VarInt(byte[], int) - Constructor for class com.google.bitcoin.core.VarInt

 

VerificationException - Exception in com.google.bitcoin.core

 

VerificationException(String) - Constructor for exception com.google.bitcoin.core.VerificationException

 

verify() - Method in class com.google.bitcoin.core.Block

Checks the block data to ensure it follows the rules laid out in the network parameters.

verify(byte[], byte[], byte[]) - Static method in class com.google.bitcoin.core.ECKey

Verifies the given ASN.1 encoded ECDSA signature against a hash using the public key.

verify(byte[], byte[]) - Method in class com.google.bitcoin.core.ECKey

Verifies the given ASN.1 encoded ECDSA signature against a hash using the public key.

verifyInput(int, Transaction) - Method in class com.google.bitcoin.core.Transaction

Given a named input and the transaction output it connects to, runs the script formed from the concatenation of the input and output scripts, returning true if the link is valid.

VersionMessage - Class in com.google.bitcoin.core

 

VersionMessage(NetworkParameters, byte[]) - Constructor for class com.google.bitcoin.core.VersionMessage

 

VersionMessage(NetworkParameters) - Constructor for class com.google.bitcoin.core.VersionMessage

 

W

Wallet - Class in com.google.bitcoin.core

A Wallet stores keys and a record of transactions that have not yet been spent.

Wallet(NetworkParameters) - Constructor for class com.google.bitcoin.core.Wallet

Creates a new, empty wallet with no keys and no transactions.

WalletEventListener - Interface in com.google.bitcoin.core

Implementing WalletEventListener allows you to learn when a wallets balance has changed.

writeMessage(String, Message) - Method in class com.google.bitcoin.core.NetworkConnection

Writes the given message out over the network using the protocol tag.