exceptions.py (in src/ethereum)

Base class for all exceptions expected to be thrown during normal operation.

class EthereumException:

Thrown when a block being processed is found to be invalid.

class InvalidBlock:

Thrown when the state has an empty account.

class StateWithEmptyAccount:

Thrown when a transaction being processed is found to be invalid.

class InvalidTransaction:

Thrown when a transaction originates from an account that cannot send transactions.

class InvalidSenderError:

Thrown when a transaction has an invalid signature.

class InvalidSignatureError:

Thrown when a transaction cannot be executed due to insufficient sender funds.

class InsufficientBalanceError:

Thrown when a transaction's nonce does not match the expected nonce for the sender.

class NonceMismatchError:

Thrown when a transaction's gas usage exceeds the gas available in the block.

class GasUsedExceedsLimitError:

Thrown when a transaction does not provide enough gas to cover its intrinsic cost.

class InsufficientTransactionGasError:

Thrown when a transaction's nonce is greater than 2**64 - 2.

class NonceOverflowError:

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