Nimbus Verified Proxy

[chirag-parmar]

Required Features

Pricing Verification

• eth_blobBaseFee
• eth_gasPrice
• eth_maxPriorityFeePerGas

Execution Block Header Verification (+ Tx Trie Verification)

Notes: we download execution payload from the beacon light client but they are not verified. Also to maintain memory usage if a block misses the cache we might need to re-download and re-verify the block

• eth_getBlockByHash
• eth_getBlockByNumber
• eth_getUncleCountByBlockHash
• eth_getUncleCountByBlockNumber

Transaction and Receipt Trie Verification

• eth_getBlockReceipts
• eth_getBlockTransactionCountByHash
• eth_getBlockTransactionCountByNumber
• eth_getTransactionByBlockHashAndIndex
• eth_getTransactionByBlockNumberAndIndex
• eth_getTransactionByHash
• eth_getTransactionReceipt
• eth_feeHistory

EVM execution for verification - In Progress

• eth_call
• eth_estimateGas
• eth_sendRawTransaction
• eth_createAccessList

Account Trie Verification - Complete

• eth_getBalance
• eth_getCode
• eth_getStorageAt
• eth_getTransactionCount

Methods requiring a wallet

Notes: requires an API so that control can be forwarded to user application

• eth_accounts
• eth_coinbase
• eth_sign
• eth_signTransaction
• eth_sendTransaction

Logs Verification

• eth_getFilterChanges
• eth_getFilterLogs
• eth_getLogs
• eth_newFilter
• eth_uninstallFilter

stuff that doesn't need verification or is irrelevant

• eth_blockNumber
• eth_chainId
• eth_syncing
• eth_newBlockFilter
• eth_newPendingTransactionFilter

Required Stuff to be Production Ready

• Unit tests for verification (different forks, different transaction types etc.)
• Mocked Integration tests for RPC provider
• Mocked Integration tests for Wallets
• Compilation for different Smartphones OSes and Archs
• Compilation for different Desktop OSes and Archs