tuweni / org.apache.tuweni.evm / HostContext

HostContext

interface HostContext (source)

This interface represents the callback functions must be implemented in order to interface with the EVM.

Functions

accountExists	Check account existence function. `abstract suspend fun accountExists(address: Address): Boolean`
call	This function supports EVM calls. `abstract suspend fun call(evmMessage: EVMMessage): EVMResult`
emitLog	Log function. `abstract fun emitLog(address: Address, data: Bytes, topics: List<Bytes32>): Unit`
getBalance	Get balance function. `abstract suspend fun getBalance(address: Address): Wei`
getBlockHash	Get block hash function. `abstract fun getBlockHash(number: Long): Bytes32abstract fun getBlockHash(): Bytes32`
getBlockNumber	`abstract fun getBlockNumber(): Long`
getCode	Copy code function. `abstract suspend fun getCode(address: Address): Bytes`
getCodeHash	Get code hash function. `abstract suspend fun getCodeHash(address: Address): Bytes32`
getCodeSize	Get code size function. `abstract suspend fun getCodeSize(address: Address): Int`
getCoinbase	`abstract fun getCoinbase(): Address`
getDifficulty	`abstract fun getDifficulty(): UInt256`
getGasLimit	`abstract fun getGasLimit(): Long`
getGasPrice	Provides the gas price of the transaction. `abstract fun getGasPrice(): Wei`
getRepositoryStorage	Get repository storage function. `abstract suspend fun getRepositoryStorage(address: Address, keyBytes: Bytes): Bytes32`
getStorage	Get storage function. `abstract suspend fun getStorage(address: Address, key: Bytes32): Bytes32`
getTxContext	Get transaction context function. `abstract fun getTxContext(): Bytes?`
increaseBalance	`abstract fun increaseBalance(address: Address, amount: Wei): Unit`
selfdestruct	Selfdestruct function. `abstract suspend fun selfdestruct(address: Address, beneficiary: Address): Unit`
setBalance	`abstract suspend fun setBalance(address: Address, balance: Wei): Unit`
setStorage	Set storage function. `abstract suspend fun setStorage(address: Address, key: Bytes, value: Bytes32): Int`
timestamp	Provides the timestamp of the transaction `abstract fun timestamp(): UInt256`
warmUpAccount	Returns true if the account was never used. `abstract fun warmUpAccount(address: Address): Boolean`
warmUpStorage	Returns true if the storage slot was never used. `abstract fun warmUpStorage(address: Address, key: UInt256): Boolean`

Inheritors

TransactionalEVMHostContext

EVM context that records changes to the world state, so they can be applied atomically.

class TransactionalEVMHostContext : HostContext