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6d132811ba
* Split `core_db/base.nim` into several sources * Rename `core_db/legacy.nim` => `core_db/legacy_db.nim` * Update `CoreDb` API, dual methods returning `Result[]` or plain value detail: Plain value methods implemet the legacy API, they defect on error results * Redesign `CoreDB` direct backend access why: Made the `backend` directive integral part of the API * Discontinue providing unused or otherwise available functions details: + setTransactionID() removed, not used and not easily replicable in Aristo + maybeGet() removed, available via direct backend access + newPhk() removed, never used & was experimental anyway * Update/reorg backend API why: + Added error print function `$$()` + General descriptor completion (and optional validation) via `bless()` * Update `Aristo`/`Kvt` exception handling why: Avoid `CatchableError` exceptions, rather pass them as error code where appropriate. * More `CoreDB` compliant `Aristo` and `Kvt` methods details: + Providing functions like `contains()`, `getVtxRc()` (returns `Result[]`). + Additional error code: `NotImplemented` * Rewrite/reorg of Aristo DB constructor why: Previously used global object `DefaultQidLayoutRef` as default initialiser. This object was created at compile time which lead to non-gc safe functions. * Update nimbus/db/core_db/legacy_db.nim Co-authored-by: Kim De Mey <kim.demey@gmail.com> * Update nimbus/db/aristo/aristo_transcode.nim Co-authored-by: Kim De Mey <kim.demey@gmail.com> * Update nimbus/db/core_db/legacy_db.nim Co-authored-by: Kim De Mey <kim.demey@gmail.com> --------- Co-authored-by: Kim De Mey <kim.demey@gmail.com>
77 lines
2.6 KiB
Nim
77 lines
2.6 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 CatchableError
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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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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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StaticContextError* = object of VMError
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## State changes not allowed in static call context
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VmStateError* = object of VMError
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## VM state error relay
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InitcodeError* = object of EVMError
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## Error to signal inicode size > EIP3860_MAX_INITCODE_SIZE
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CoreDbApiError* = object of CatchableError
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## Errors related to `CoreDB` API
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