com.exonum.binding.core.transaction

Interface TransactionContext

public interface TransactionContext

Transaction context class. Contains required information for the transaction execution. The context is provided by the framework and users shouldn't create context instances manually except tests.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	TransactionContext.Builder Transaction context builder.

Method Summary

Modifier and Type	Method and Description
static TransactionContext.Builder	builder() Returns the builder of the transaction context.
com.exonum.binding.common.crypto.PublicKey	getAuthorPk() Returns public key of the transaction author.
Fork	getFork() Returns database view allowing R/W operations.
int	getServiceId() Returns the numeric id of the service instance.
String	getServiceName() Returns the name of the service instance.
com.exonum.binding.common.hash.HashCode	getTransactionMessageHash() Returns SHA-256 hash of the transaction message that carried the payload from which the transaction was created.

Method Detail

getFork

Fork getFork()

Returns database view allowing R/W operations.

getTransactionMessageHash

com.exonum.binding.common.hash.HashCode getTransactionMessageHash()

Returns SHA-256 hash of the transaction message that carried the payload from which the transaction was created. Each transaction message is uniquely identified by its hash; the messages are persisted in the blockchain and can be fetched by this hash.

getAuthorPk

com.exonum.binding.common.crypto.PublicKey getAuthorPk()

Returns public key of the transaction author. The corresponding transaction message is guaranteed to have a correct CryptoFunctions.ed25519() signature with this public key.

getServiceName

String getServiceName()

Returns the name of the service instance.

See Also:

ServiceInstanceSpec.getName()

getServiceId

int getServiceId()

Returns the numeric id of the service instance.

See Also:

ServiceInstanceSpec.getId()

builder

static TransactionContext.Builder builder()

Returns the builder of the transaction context.