README.md

Implementation status

Methods listed in this document is not a commitment that it will be implemented. The list is built from what MetaMask supported.

• https://ethereum.github.io/execution-apis/api-documentation/

Need revisit

• TransactionDescriptorType.DEPLOYMENT failed. Open https://metamask.github.io/test-dapp/ and try TOKEN/NFTs deploy
• Sign In With Ethereum (A special extension of personal_sign method?)

Read ETH methods

• net_version
• eth_accounts
• eth_blockNumber
• eth_call
• eth_chainId
• eth_estimateGas
• eth_feeHistory
• eth_gasPrice
• eth_getBalance
• eth_getBlockByHash
• eth_getBlockByNumber
• eth_getBlockReceipts
• eth_getBlockTransactionCountByHash
• eth_getBlockTransactionCountByNumber
• eth_getCode
• eth_getLogs
• eth_getProof
• eth_getStorageAt
• eth_getTransactionByBlockHashAndIndex
• eth_getTransactionByBlockNumberAndIndex
• eth_getTransactionByHash
• eth_getTransactionCount
• eth_getTransactionReceipt
• eth_getUncleCountByBlockHash
• eth_getUncleCountByBlockNumber
• eth_syncing

Write ETH methods

• eth_sign (EIP-191): https://support.metamask.io/hc/en-us/articles/14764161421467-What-is-eth-sign-and-why-is-it-a-risk-
• personal_sign
• personal_ecRecover
• eth_sendTransaction
• eth_signTransaction: MetaMask refuse to add, we should follow them. MetaMask/metamask-extension#3475
• eth_sendRawTransaction

ETH methods

Subscribe to events (unknown specification)

• eth_subscribe
• eth_unsubscribe

Filters

• eth_getFilterChanges
• eth_getFilterLogs
• eth_newBlockFilter
• eth_newFilter
• eth_newPendingTransactionFilter (not supported by infura)
• eth_uninstallFilter

Deprecated methods

• eth_decrypt
• eth_getEncryptionPublicKey

EIP-1102: Opt-in account exposure

• eth_requestAccounts
• (Deprecated) Provider.enable()

EIP-2255: Wallet Permissions System

• wallet_getPermissions
• wallet_requestPermissions
• wallet_revokePermissions (not in EIP-2255)

EIP-712: Typed structured data hashing and signing

• eth_signTypedData
• eth_signTypedData_v3
• eth_signTypedData_v4

Other EIP

• wallet_watchAsset https://eips.ethereum.org/EIPS/eip-747
• wallet_addEthereumChain https://eips.ethereum.org/EIPS/eip-3085
• wallet_switchEthereumChain https://ethereum-magicians.org/t/eip-3326-wallet-switchethereumchain

Methods that has no specification?

Methods not on a standard track is unlikely to be implemented.

• web3_clientVersion https://docs.metamask.io/wallet/reference/web3_clientversion/

Other question

• eth_coinbase (not supported by infura)
• eth_maxPriorityFeePerGas: does not exist / is not available (MetaMask) but in their docs https://docs.metamask.io/wallet/reference/eth_maxpriorityfeepergas/
• eth_createAccessList: in ETH RPC specification but not in MetaMask.