Documentation
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Overview ¶
Package ethtest provides utility functions for use in testing Ethereum-related functionality.
Index ¶
- func DummyChainContext() core.ChainContext
- func DummyEngine() consensus.Engine
- func NewEmptyStateDB(tb testing.TB) (ethdb.Database, state.Database, *state.StateDB)
- func NewTBLogHandler(tb testing.TB, level slog.Level) slog.Handler
- func NewZeroEVM(tb testing.TB, opts ...EVMOption) (*state.StateDB, *vm.EVM)
- func UNSAFEDeterministicPrivateKey(tb testing.TB, seed []byte) *ecdsa.PrivateKey
- type EVMOption
- type PseudoRand
- func (r *PseudoRand) Address() (a common.Address)
- func (r *PseudoRand) AddressPtr() *common.Address
- func (r *PseudoRand) BigUint64() *big.Int
- func (r *PseudoRand) BlockNonce() (n types.BlockNonce)
- func (r *PseudoRand) Bloom() (b types.Bloom)
- func (r *PseudoRand) Bytes(n uint) []byte
- func (r *PseudoRand) Hash() (h common.Hash)
- func (r *PseudoRand) HashPtr() *common.Hash
- func (r *PseudoRand) Read(p []byte) int
- func (r *PseudoRand) Uint64Ptr() *uint64
- func (r *PseudoRand) Uint256() *uint256.Int
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func DummyChainContext ¶
func DummyChainContext() core.ChainContext
DummyChainContext returns a dummy that returns DummyEngine when its Engine() method is called, and panics when its GetHeader() method is called.
func DummyEngine ¶
DummyEngine returns a dummy that panics when its Author() method is called.
func NewEmptyStateDB ¶
NewEmptyStateDB returns a fresh database from rawdb.NewMemoryDatabase, a state.Database wrapping it, and a state.StateDB wrapping that, opened to types.EmptyRootHash.
func NewTBLogHandler ¶
NewTBLogHandler constructs a slog.Handler that propagates logs to testing.TB. Logs at log.LevelWarn or above go to testing.TB.Errorf, except log.LevelCrit which goes to testing.TB.Fatalf. All other logs go to testing.TB.Logf. The level parameter controls which logs are enabled.
func NewZeroEVM ¶
NewZeroEVM returns a new EVM backed by a rawdb.NewMemoryDatabase; all other arguments to vm.NewEVM are the zero values of their respective types, except for the use of core.CanTransfer and core.Transfer instead of nil functions.
func UNSAFEDeterministicPrivateKey ¶
func UNSAFEDeterministicPrivateKey(tb testing.TB, seed []byte) *ecdsa.PrivateKey
UNSAFEDeterministicPrivateKey returns a new crypto.S256 private key, deterministically generated from the `seed`.
Types ¶
type EVMOption ¶
type EVMOption interface {
// contains filtered or unexported methods
}
An EVMOption configures the EVM returned by NewZeroEVM.
func WithBlockContext ¶
func WithBlockContext(c vm.BlockContext) EVMOption
WithBlockContext overrides the default context.
func WithChainConfig ¶
func WithChainConfig(c *params.ChainConfig) EVMOption
WithBlockContext overrides the default context.
type PseudoRand ¶
PseudoRand extends rand.Rand (*not* crypto/rand).
func NewPseudoRand ¶
func NewPseudoRand(seed uint64) *PseudoRand
NewPseudoRand returns a new PseudoRand with the given seed.
func (*PseudoRand) Address ¶
func (r *PseudoRand) Address() (a common.Address)
Address returns a pseudorandom address.
func (*PseudoRand) AddressPtr ¶
func (r *PseudoRand) AddressPtr() *common.Address
AddressPtr returns a pointer to a pseudorandom address.
func (*PseudoRand) BigUint64 ¶
func (r *PseudoRand) BigUint64() *big.Int
Big returns rand.Rand.Uint64 as a big.Int.
func (*PseudoRand) BlockNonce ¶
func (r *PseudoRand) BlockNonce() (n types.BlockNonce)
BlockNonce returns a pseudorandom BlockNonce.
func (*PseudoRand) Bloom ¶
func (r *PseudoRand) Bloom() (b types.Bloom)
Bloom returns a pseudorandom Bloom.
func (*PseudoRand) Bytes ¶
func (r *PseudoRand) Bytes(n uint) []byte
Bytes returns `n` pseudorandom bytes.
func (*PseudoRand) Hash ¶
func (r *PseudoRand) Hash() (h common.Hash)
Hash returns a pseudorandom hash.
func (*PseudoRand) HashPtr ¶
func (r *PseudoRand) HashPtr() *common.Hash
HashPtr returns a pointer to a pseudorandom hash.
func (*PseudoRand) Read ¶
func (r *PseudoRand) Read(p []byte) int
Read is equivalent to rand.Rand.Read except that it doesn't return an error because it is guaranteed to be nil.
func (*PseudoRand) Uint64Ptr ¶
func (r *PseudoRand) Uint64Ptr() *uint64
Uint64Ptr returns a pointer to a pseudorandom uint64.
func (*PseudoRand) Uint256 ¶
func (r *PseudoRand) Uint256() *uint256.Int
Uint256 returns a random 256-bit unsigned int.
Source Files