| Package | Description | 
|---|---|
| org.bitcoinj.core | 
 The core package contains classes for network messages like  
Block and
 Transaction, peer connectivity via PeerGroup,
 and block chain management. | 
| org.bitcoinj.wallet | 
 Classes that support the  
Wallet, which knows how to find and save transactions relevant to
 a set of keys or scripts, calculate balances, and spend money: the wallet has many features and can be extended
 in various ways, please refer to the website for documentation on how to use it. | 
| Modifier and Type | Method and Description | 
|---|---|
ExchangeRate | 
Transaction.getExchangeRate()
Getter for  
Transaction.exchangeRate. | 
| Modifier and Type | Method and Description | 
|---|---|
void | 
Transaction.setExchangeRate(ExchangeRate exchangeRate)
Setter for  
Transaction.exchangeRate. | 
| Modifier and Type | Field and Description | 
|---|---|
ExchangeRate | 
SendRequest.exchangeRate
If not null, this exchange rate is recorded with the transaction during completion. 
 | 
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