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errors.nim
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errors.nim
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# Nimbus
# Copyright (c) 2018 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http:https://www.apache.org/licenses/LICENSE-2.0)
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http:https://opensource.org/licenses/MIT)
# at your option. This file may not be copied, modified, or distributed except according to those terms.
type
EVMError* = object of CatchableError
## Base error class for all evm errors.
BlockNotFound* = object of EVMError
## The block with the given number/hash does not exist.
ParentNotFound* = object of EVMError
## The parent of a given block does not exist.
CanonicalHeadNotFound* = object of EVMError
## The chain has no canonical head.
ValidationError* = object of EVMError
## Error to signal something does not pass a validation check.
VMError* = object of EVMError
## Class of errors which can be raised during VM execution.
OutOfGas* = object of VMError
## Error signaling that VM execution has run out of gas.
InsufficientStack* = object of VMError
## Error signaling that the stack is empty.
FullStack* = object of VMError
## Error signaling that the stack is full.
InvalidJumpDestination* = object of VMError
## Error signaling that the jump destination for a JUMPDEST operation is invalid.
InvalidInstruction* = object of VMError
## Error signaling that an opcode is invalid.
InsufficientFunds* = object of VMError
## Error signaling that an account has insufficient funds to transfer the
## requested value.
StackDepthError* = object of VMError
## Error signaling that the call stack has exceeded it's maximum allowed depth.
ContractCreationCollision* = object of VMError
## Error signaling that there was an address collision during contract creation.
WriteProtection* = object of VMError
## Error raised if an attempt to modify the state database is made while
## operating inside of a STATICCALL context.
OutOfBoundsRead* = object of VMError
## Error raised to indicate an attempt was made to read data beyond the
## boundaries of the buffer (such as with RETURNDATACOPY)
TypeError* = object of VMError
## Error when invalid values are found
NotImplementedError* = object of VMError
## Not implemented error
StaticContextError* = object of VMError
## State changes not allowed in static call context
VmStateError* = object of VMError
## VM state error relay
InitcodeError* = object of EVMError
## Error to signal inicode size > EIP3860_MAX_INITCODE_SIZE
CoreDbApiError* = object of CatchableError
## Errors related to `CoreDB` API