berachain / polaris Goto Github PK

We want to try and avoid the double ante handler sheninigans we have seen in the past and to do so, as we build out a proto Message to transport an ethereum payload, we need to think about how that piece of data can go through Ante Handlers in a way that reduces duplicate code and "copy pasta'ing" from the SDK as much as possible.

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Ensure that if a private key for a precompile is found, it can't execute txm.

• Register it as a "module account" of some desc.
• https://github.com/cosmos/cosmos-sdk/pull/14017/files#diff-6759112d7ce1809b2d589d41a211812c2ece64756af215b4ff4fd2bf6d1948d0

Perform the check in anteHandler or EthereumTx

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Insporation: https://github.com/ziyadedher/evm-bench/blob/main/runners/geth/runner.go

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• Generate test contracts' ABI and Bytecode with Geth's abigen library (replace old loader.go)
• Test nested eth contract calls and reverts

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• Verify performance benefits of Sparse Merkle, Patricia Merkle, Verkle Trees
• To implement, add Storetypes.SMT/etc to the rootmultistore

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• Stateless Precompiles
• Stateful Precompiles

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Need to be aware of this going forward

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• Use FastCache as a LRU cache for Eth codes (and state?)
• persist through multiple tx: initialize statedb with cache (use intra-block-state as inspiration)

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• Migration Scripts / Handlers for containerized
• Docker-Compose Infrastructure
• Database / gRPC abstraction for building endpoints without needing to configure / add any "redis or postgres" code to endpoints. "Generalized caching"

We need a basic block explorer for the first stargazer devnet

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Missing some test coverage here.

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###Description:

As part maintaing full evm compatibility and making sure web3 wallets work, we need to handle JSON-RPC.

Todos

Resources / Libraries to look at:

• https://github.com/tendermint/tendermint/blob/64747b2b184184ecba4f4bffc54ffbcb47cfbcb0/rpc/jsonrpc/server/rpc_func.go#L23
• https://github.com/filecoin-project/go-jsonrpc
• https://github.com/ethereum/go-ethereum
• https://github.com/ConsenSys/quorum/blob/93c5f781840e0f56383da363e22471df47ba0283/internal/ethapi/backend.go

• Determine Architecture
• ....

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Description:

Create a middleware system to allow for ERC20 and ICS20 tokens to seemlessly interoperable.

Functional Requirements

• Token starts as ERC20 -> Handle escrowing and minting a native denominated balance.
• Token starts as ICS20 -> Handle deploy of a "BankModuleERC20".
• Handle precompile interop logic.

Todos:

• #35
• #36
• #12
• #33
• #32

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Components

• Virtual Machine
• Interpreter
• StateDB
• Precompile Infrastructure

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Summary

Phase 1

Phase 2

Phase 3

https://github.com/Fantom-foundation/go-opera/blob/master/evmcore/state_prefetcher.go

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Allow users to pass calldata to be stored sequentially in memory.

Effectively works like SSTORE operations done as a precompile effectively.

Blob data Amazon S3 vibes.

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Description

Code paths used to handle registering cosmos events to be emitting as ethereum logs during precompile execution.

Todo

• #44

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Cosmos module errors are not typed, only returned as error, which only has a Error() string function.

Because these strings are arbitrary and filled with context-specific parameters, we cannot map these Cosmos errors to corresponding Ethereum events, that Ethereum app devs can use.

Blocked on getting Typed Errors in the SDK.

An ERC20 contract that uses the Bank Module under the hood for its balanceOf accounting.

Tasks:

• #24
• #23

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stripped-down version of geth's abigen to only support code generation for our use case

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Geth abigen can use the bin files to auto-generate go structs to call smart contracts natively. Need to fix the foundry build issue to pass the contract bytecode into geth abigen

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Write a document that goes over the basic functional and non-functional requirements for the block explorer. What do we want for the indexer? What data to index? What do we need? What screens? Etc.

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Description
Precompiles that will ship with stargazer

Todos

• #39
• #38
• #37

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Use code generation tricks (as such) to auto-generate the stateful precompiles. Basic prcodedure:

• Cast Inputs to types
• Call Msg/QueryServer
• Type encode result

Can also generate solidity interfaces?

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