vmcontext

func CanTransfer ¶

func CanTransfer(db types.StateDB, addr common.Address, amount *big.Int) bool

CanTransfer checks whether there are enough funds in the address' account to make a transfer. This does not take the necessary gas into account to make the transfer valid.

func GetHashFn ¶

func GetHashFn(ref *types.Header, chain chainContext) func(uint64) common.Hash

GetHashFn returns a GetHashFunc which retrieves header hashes by number

func GetRegisteredAddress ¶

func GetRegisteredAddress(evm *vm.EVM, registryId common.Hash) (common.Address, error)

func New ¶

func New(from common.Address, gasPrice *big.Int, header *types.Header, chain chainContext, txFeeRecipient *common.Address) vm.BlockContext

New creates a new context for use in the EVM.

func NewEVMRunner ¶

func NewEVMRunner(chain evmRunnerContext, header *types.Header, state types.StateDB) vm.EVMRunner

func TobinTransfer ¶

func TobinTransfer(evm *vm.EVM, sender, recipient common.Address, amount *big.Int)

TobinTransfer performs a transfer that may take a tax from the sent amount and give it to the reserve. If the calculation or transfer of the tax amount fails for any reason, the regular transfer goes ahead. NB: Gas is not charged or accounted for this calculation.

func Transfer ¶

func Transfer(db types.StateDB, sender, recipient common.Address, amount *big.Int)

Transfer subtracts amount from sender and adds amount to recipient using the given Db

func VerifySealFn ¶

func VerifySealFn(ref *types.Header, chain chainContext) func(*types.Header) bool

VerifySealFn returns a function which returns true when the given header has a verifiable seal.