mirror of
https://github.com/status-im/nimbus-eth1.git
synced 2025-01-10 12:26:02 +00:00
4b5eada322
* move forks constants, rename errors * Move vm/utils to vm/interpreter/utils * initial opcodes refactoring * Add refactored Comparison & Bitwise Logic Operations * Add sha3 and address, simplify macro, support pop 0 * balance, origin, caller, callValue * fix gas copy opcodes gas costs, add callDataLoad/Size/Copy, CodeSize/Copy and gas price opcode * Update with 30s, 40s, 50s opcodes + impl of balance + stack improvement * add push, dup, swap, log, create and call operations * finish opcode implementation * Add the new dispatching logic * Pass the opcode test * Make test_vm_json compile * halt execution without exceptions for Return, Revert, selfdestruct (fix #62) * Properly catch and recover from EVM exceptions (stack underflow ...) * Fix byte op * Fix jump regressions * Update for latest devel, don't import old dispatch code as quasiBoolean macro is broken by latest devel * Fix sha3 regression on empty memory slice and until end of range slice * Fix padding / range error on expXY_success (gas computation left) * update logging procs * Add tracing - expXY_success is not a regression, sload stub was accidentally passing the test * Reuse the same stub as OO implementation * Delete previous opcode implementation * Delete object oriented fork code * Delete exceptions that were used as control flows * delete base.nim 🔥, yet another OO remnants * Delete opcode table * Enable omputed gotos and compile-time gas fees * Revert const gasCosts -> generates SIGSEGV * inline push, swap and dup opcodes * loggers are now template again, why does this pass new tests? * Trigger CI rebuild after rocksdb fix https://github.com/status-im/nim-rocksdb/pull/5 * Address review comment on "push" + VMTests in debug mode (not release) * Address review comment: don't tag fork by default, make opcode impl grepable * Static compilation fixes after rebasing * fix the initialization of the VM database * add a missing import * Deactivate balance and sload test following #59 * Reactivate stack check (deactivated in #59, necessary to pass tests) * Merge remaining opcodes implementation from #59 * Merge callDataLoad and codeCopy fixes, todo simplify see #67
72 lines
2.4 KiB
Nim
72 lines
2.4 KiB
Nim
# Nimbus
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# Copyright (c) 2018 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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type
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EVMError* = object of Exception
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## Base error class for all evm errors.
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BlockNotFound* = object of EVMError
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## The block with the given number/hash does not exist.
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ParentNotFound* = object of EVMError
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## The parent of a given block does not exist.
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CanonicalHeadNotFound* = object of EVMError
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## The chain has no canonical head.
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ValidationError* = object of EVMError
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## Error to signal something does not pass a validation check.
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VMError* = object of EVMError
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## Class of errors which can be raised during VM execution.
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erasesReturnData*: bool
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burnsGas*: bool
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OutOfGas* = object of VMError
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## Error signaling that VM execution has run out of gas.
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InsufficientStack* = object of VMError
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## Error signaling that the stack is empty.
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FullStack* = object of VMError
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## Error signaling that the stack is full.
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InvalidJumpDestination* = object of VMError
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## Error signaling that the jump destination for a JUMPDEST operation is invalid.
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InvalidInstruction* = object of VMError
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## Error signaling that an opcode is invalid.
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InsufficientFunds* = object of VMError
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## Error signaling that an account has insufficient funds to transfer the
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## requested value.
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StackDepthError* = object of VMError
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## Error signaling that the call stack has exceeded it's maximum allowed depth.
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ContractCreationCollision* = object of VMError
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## Error signaling that there was an address collision during contract creation.
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WriteProtection* = object of VMError
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## Error raised if an attempt to modify the state database is made while
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## operating inside of a STATICCALL context.
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OutOfBoundsRead* = object of VMError
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## Error raised to indicate an attempt was made to read data beyond the
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## boundaries of the buffer (such as with RETURNDATACOPY)
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TypeError* = object of VMError
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## Error when invalid values are found
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NotImplementedError* = object of VMError
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## Not implemented error
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proc makeVMError*: ref VMError =
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new(result)
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result.burnsGas = true
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result.erasesReturnData = true
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