evm package

Subpackages

• evm.chains package
  • Subpackages
    • evm.chains.mainnet package
      • Submodules
      • evm.chains.mainnet.constants module
      • Module contents
    • evm.chains.ropsten package
      • Submodules
      • evm.chains.ropsten.constants module
      • Module contents
    • evm.chains.tester package
      • Module contents
  • Submodules
  • evm.chains.chain module
  • Module contents
• evm.consensus package
  • Submodules
  • evm.consensus.pow module
  • Module contents
• evm.db package
  • Subpackages
    • evm.db.backends package
      • Submodules
      • evm.db.backends.base module
      • evm.db.backends.level module
      • evm.db.backends.memory module
      • Module contents
  • Submodules
  • evm.db.chain module
  • evm.db.hash_trie module
  • evm.db.immutable module
  • evm.db.journal module
  • evm.db.state module
  • Module contents
• evm.logic package
  • Submodules
  • evm.logic.arithmetic module
  • evm.logic.block module
  • evm.logic.call module
  • evm.logic.comparison module
  • evm.logic.context module
  • evm.logic.duplication module
  • evm.logic.flow module
  • evm.logic.invalid module
  • evm.logic.logging module
  • evm.logic.memory module
  • evm.logic.sha3 module
  • evm.logic.stack module
  • evm.logic.storage module
  • evm.logic.swap module
  • evm.logic.system module
  • Module contents
• evm.p2p package
  • Submodules
  • evm.p2p.auth module
  • evm.p2p.constants module
  • evm.p2p.discovery module
  • evm.p2p.ecies module
  • evm.p2p.exceptions module
  • evm.p2p.kademlia module
  • evm.p2p.les module
  • evm.p2p.lightchain module
  • evm.p2p.p2p_proto module
  • evm.p2p.peer module
  • evm.p2p.protocol module
  • evm.p2p.test_auth module
  • evm.p2p.test_discovery module
  • evm.p2p.test_ecies module
  • evm.p2p.test_kademlia module
  • evm.p2p.test_lightchain module
  • evm.p2p.test_peer module
  • evm.p2p.utils module
  • Module contents
• evm.precompiles package
  • Submodules
  • evm.precompiles.ecadd module
  • evm.precompiles.ecmul module
  • evm.precompiles.ecpairing module
  • evm.precompiles.ecrecover module
  • evm.precompiles.identity module
  • evm.precompiles.modexp module
  • evm.precompiles.ripemd160 module
  • evm.precompiles.sha256 module
  • Module contents
• evm.rlp package
  • Submodules
  • evm.rlp.accounts module
  • evm.rlp.blocks module
  • evm.rlp.headers module
  • evm.rlp.logs module
  • evm.rlp.receipts module
  • evm.rlp.sedes module
  • evm.rlp.transactions module
  • Module contents
• evm.rpc package
  • Submodules
  • evm.rpc.server module
  • Module contents
• evm.utils package
  • Submodules
  • evm.utils.address module
  • evm.utils.bn128 module
  • evm.utils.chain module
  • evm.utils.db module
  • evm.utils.empty module
  • evm.utils.fixture_tests module
  • evm.utils.headers module
  • evm.utils.hexadecimal module
  • evm.utils.keccak module
  • evm.utils.logging module
  • evm.utils.module_loading module
  • evm.utils.numeric module
  • evm.utils.padding module
  • evm.utils.rlp module
  • evm.utils.state module
  • evm.utils.transactions module
  • Module contents
• evm.vm package
  • Subpackages
    • evm.vm.forks package
      • Subpackages
        • evm.vm.forks.byzantium package
          • Submodules
          • evm.vm.forks.byzantium.blocks module
          • evm.vm.forks.byzantium.constants module
          • evm.vm.forks.byzantium.headers module
          • evm.vm.forks.byzantium.opcodes module
          • evm.vm.forks.byzantium.transactions module
          • Module contents
        • evm.vm.forks.eip150 package
          • Submodules
          • evm.vm.forks.eip150.constants module
          • evm.vm.forks.eip150.opcodes module
          • Module contents
        • evm.vm.forks.frontier package
          • Submodules
          • evm.vm.forks.frontier.blocks module
          • evm.vm.forks.frontier.constants module
          • evm.vm.forks.frontier.headers module
          • evm.vm.forks.frontier.opcodes module
          • evm.vm.forks.frontier.transactions module
          • evm.vm.forks.frontier.validation module
          • Module contents
        • evm.vm.forks.homestead package
          • Submodules
          • evm.vm.forks.homestead.blocks module
          • evm.vm.forks.homestead.constants module
          • evm.vm.forks.homestead.headers module
          • evm.vm.forks.homestead.opcodes module
          • evm.vm.forks.homestead.transactions module
          • evm.vm.forks.homestead.validation module
          • Module contents
        • evm.vm.forks.spurious_dragon package
          • Submodules
          • evm.vm.forks.spurious_dragon.blocks module
          • evm.vm.forks.spurious_dragon.constants module
          • evm.vm.forks.spurious_dragon.opcodes module
          • evm.vm.forks.spurious_dragon.transactions module
          • evm.vm.forks.spurious_dragon.utils module
          • Module contents
      • Module contents
  • Submodules
  • evm.vm.base module
  • evm.vm.code_stream module
  • evm.vm.computation module
  • evm.vm.gas_meter module
  • evm.vm.memory module
  • evm.vm.message module
  • evm.vm.stack module
  • Module contents

Submodules

evm.constants module

evm.exceptions module

exception evm.exceptions.BlockNotFound

Bases: evm.exceptions.PyEVMError

The block with the given number/hash does not exist.

exception evm.exceptions.CanonicalHeadNotFound

Bases: evm.exceptions.PyEVMError

The chain has no canonical head.

exception evm.exceptions.ContractCreationCollision

Bases: evm.exceptions.VMError

Error signaling that there was an address collision during contract creation.

exception evm.exceptions.FullStack

Bases: evm.exceptions.VMError

Error signaling that the stack is full.

exception evm.exceptions.Halt

Bases: evm.exceptions.PyEVMError

Raised by opcode function to halt vm execution.

exception evm.exceptions.InsufficientFunds

Bases: evm.exceptions.VMError

Error signaling that an account has insufficient funds to transfer the requested value.

exception evm.exceptions.InsufficientStack

Bases: evm.exceptions.VMError

Error signaling that the stack is empty.

exception evm.exceptions.InvalidInstruction

Bases: evm.exceptions.VMError

Error signaling that an opcode is invalid.

exception evm.exceptions.InvalidJumpDestination

Bases: evm.exceptions.VMError

Error signaling that the jump destination for a JUMPDEST operation is invalid.

exception evm.exceptions.OutOfBoundsRead

Bases: evm.exceptions.VMError

Error raised to indicate an attempt was made to read data beyond the boundaries of the buffer (such as with RETURNDATACOPY)

exception evm.exceptions.OutOfGas

Bases: evm.exceptions.VMError

Error signaling that VM execution has run out of gas.

exception evm.exceptions.ParentNotFound

Bases: evm.exceptions.PyEVMError

The parent of a given block does not exist.

exception evm.exceptions.PyEVMError

Bases: Exception

Base error class for all py-evm errors.

exception evm.exceptions.Revert

Bases: evm.exceptions.VMError

Error used by the REVERT opcode

burns_gas = False

zeros_return_data = False

exception evm.exceptions.StackDepthLimit

Bases: evm.exceptions.VMError

Error signaling that the call stack has exceeded it’s maximum allowed depth.

exception evm.exceptions.VMError

Bases: evm.exceptions.PyEVMError

Class of errors which can be raised during VM execution.

burns_gas = True

zeros_return_data = True

exception evm.exceptions.VMNotFound

Bases: evm.exceptions.PyEVMError

No VM available for the provided block number.

exception evm.exceptions.ValidationError

Bases: evm.exceptions.PyEVMError

Error to signal something does not pass a validation check.

exception evm.exceptions.WriteProtection

Bases: evm.exceptions.VMError

Error raised if an attempt to modify the state database is made while operating inside of a STATICCALL context.

evm.lightchain_shell module

evm.mnemonics module

evm.opcode module

class evm.opcode.Opcode

Bases: object

classmethod as_opcode(logic_fn, mnemonic, gas_cost)

Class factory method for turning vanilla functions into Opcode classes.

classmethod configure(name, **overrides)

Class factory method for simple inline subclassing.

gas_cost = None

logger

mnemonic = None

evm.opcode_values module

evm.validation module

evm.validation.validate_block_number(block_number, title='Block Number')

evm.validation.validate_canonical_address(value, title='Value')

evm.validation.validate_gt(value, minimum, title='Value')

evm.validation.validate_gte(value, minimum, title='Value')

evm.validation.validate_header_params_for_configuration(header_params)

evm.validation.validate_is_boolean(value, title='Value')

evm.validation.validate_is_bytes(value, title='Value')

evm.validation.validate_is_integer(value, title='Value')

evm.validation.validate_length(value, length, title='Value')

evm.validation.validate_length_lte(value, maximum_length, title='Value')

evm.validation.validate_lt(value, maximum, title='Value')

evm.validation.validate_lte(value, maximum, title='Value')

evm.validation.validate_multiple_of(value, multiple_of, title='Value')

evm.validation.validate_stack_item(value)

evm.validation.validate_uint256(value, title='Value')

evm.validation.validate_unique(values, title='Value')

evm.validation.validate_vm_block_numbers(vm_block_numbers)

evm.validation.validate_word(value, title='Value')

Module contents