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@fjl fjl released this 17 Jun 10:37
· 939 commits to release/1.10 since this release
v1.10.4
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Geth v1.10.4 is a feature release and adds compatibility with the upcoming London hard fork. For more information about the content and scheduling of the fork, please check the London specification document.

After a long R&D process, and extensive testing, we are pleased to announce that Geth v1.10.4 enables snap sync by default. At the time of this release, geth is able to fully synchronize the Ethereum mainnet in approximately 7 hours (using AWS i3.2xlarge with NVMe SSD).

London Fork EIPs

Additional notes about the London changes

  • This release contains testnet activation block numbers for the London hard fork. The numbers are: Ropsten - 10499401, Goerli - 5062605, Rinkeby - 8897988. (#23041)

  • This release does not contain automatic activation of the fork on mainnet. A release containing the mainnet activation block will be provided later, following the ACD decision.

  • As with all previous fork-related releases, we have added an override flag which can be used to set the activation block. This flag is temporary and will be removed some time after the fork has successfully activated on mainnet. (#22822, #22972)

  • The Geth transaction pool has been redesigned in order to handle the new fee market created by EIP-1559. Our new pool design attempts to cater to the demands of users—timely inclusion of transactions—as well as allowing efficient ordering of transactions by their effective mining reward. You can read more about how the new pool functions in the transaction pool design document. (#22898)

  • For miners: The transaction selection algorithm provided by geth specifically picks transactions with the highest effective reward. If a minimum price is configured using the --miner.gasprice command-line flag, transactions providing less fees will not be included in blocks. (#22896, #22995)

    EIP-1559 also changes the gas limit voting system. After the London fork, the block gas amount available for transactions is adjusted based on demand. The block capacity is called the gas target, and EIP-1559 defines this target as half the gas limit.

    To ensure that the gas available for transactions is the same as before the fork, the gas limit is doubled at the fork block. If you are using the --miner.gaslimit flag to participate in voting, you need to double the value of this flag to keep voting for the same value as before.

    Example: You are using --miner.gaslimit to vote for a limit of 20M, and the actual block gas limit is 20M. When London activates, the block gas limit will adjust to 40M, but you will still be voting it down towards to 20M if you keep using the same --miner.gaslimit setting. So at some point after the fork, you need to double your --miner.gaslimit value to ensure the gas limit stays at 40M gas.

  • Note for JSON-RPC users: eth_sendTransaction and eth_fillTransaction will create EIP-1559 transactions by default after the fork has activated.

  • Note for users of Go/Java/ObjC contract bindings: accounts/abi/bind will create EIP-1559 transactions automatically after the fork. To take advantage of EIP-1559 in Go applications, please remember to update the go-ethereum module dependency to v1.10.4 in your application's go.mod file. (#23038)

  • Note for users of ethclient: If you send transactions using the ethclient package and want to take advantage of the new fee model provided by EIP-1559, you must adapt your code to create transactions using types.NewTx(&types.DynamicFeeTx{...}). In order to know whether the fork has activated and the new transaction type can be used yet, simply check whether the BaseFee field of the latest block header is non-nil.

Command changes

  • For private networks and future public testnets, the initial EIP-1559 basefee can also be set in genesis.json using the baseFeePerGas key. (#23013, #23039)
  • The Clef tool also supports signing EIP-1559 transactions. (#22966)
  • geth --dev no longer allocates excessive amounts of memory on startup. (#22949)
  • The geth --ethstats option now supports special characters such as @ in the node name portion of the URL, specifically so you can put your Twitter handle in there. (#21640)
  • geth db inspect now properly counts internal config data stored in leveldb instead of warning about it being 'unaccounted'. (#22978)
  • There is a new geth snapshot dump command for debugging purposes. (#22795)
  • Geth can no longer read databases created before April 2019. (#22852)
  • The --jspath flag can now expand ~ to the home directory. (#22900)
  • Puppeth can no longer deploy the wallet web page for you. (#22940)
  • The evm tool now exits in error if JSON data provided on stdin is invalid. (#22871)

RPC/GraphQL changes

  • JSON-RPC and GraphQL APIs have been extended for EIP-1559, following the official OpenRPC specification. (#22964, #23010, #23028, #23027, #23050)
  • You can now configure the lower bound of gas prices returned by eth_gasPrice using the new --gpo.ignoreprice command-line flag of geth. (#22752)
  • JS tracing via debug_traceTransaction and debug_traceBlockByNumber will no longer crash geth if the tracer function result object exceeds duktape's JSON object limits. (#22857)
  • The internal argument object representations of eth_call, eth_sendTransaction, eth_estimateGas have been unified because their fields are very similar. This change should not lead to any differences in behavior, but do let us know via GitHub issues if you find any new argument handling bugs in those methods. (#22718, #22942)
  • The 'catalyst' API handler now properly reverts the effects of failed transactions when creating a block. (#22989)

Networking

  • Snap sync is enabled by default! (#22973)
  • Snap sync now tracks peer latency/capacity and adjusts request sizes accordingly.
    (#22876, #22943)
  • The RLPx wire protocol implementation has been optimized, reducing memory allocations and system call load. (#22899)
  • The eth protocol cross-client test suite has been further extended and is more reliable. (#22843, #22535, #22957)
  • Spurious warning logs about failure to 'unregister' eth peers are gone now. (#22908)
  • DNS discovery no longer crashes when geth is started and immediately shut down again. (#22906)
  • A long-standing issue in the validation of eth/64 fork IDs is resolved. (#22879)

Go library changes

  • Package rlp now supports optional struct fields. This feature was added to simplify the EIP-1559 implementation, but is also generally useful in other contexts. (#22832, #22842)
  • RLP encoding/decoding has been optimized for reduced memory allocations and better performance under high concurrency. (#22858, #22902, #22924, #22927, #22841)
  • On shutdown, the database now waits for background ancient store writes to finish, fixing database corruption issues related to a gap in the chain between ancients and leveldb. (#22878)
  • The consensus test runner and ethereum/tests submodule reference have been updated for London. (#22976, #23047)
  • Mining stress tests have been fixed up and extended for EIP-1559. (#22919, #22930)
  • The elliptic.Curve implementation provided by crypto/secp256k1 is now more correct regarding the point at infinity. This change is not relevant for go-ethereum itself because the affected curve operations are not used, but may be an improvement for alternative/experimental uses of the secp256k1 package. (#22621)
  • Users of SimulatedBackend in package accounts/abi/bind/backends can now simulate blockchain reorgs using the new Fork method. (#22624)
  • A minor correctness issue in transaction pool size accounting is resolved. (#22933)
  • The Compact method of database tables created by rawdb.NewTable now applies the key prefix of the table correctly. (#22911)
  • Commit of trie.Database would no longer writes state key preimages twice. (#23001)
  • The clique consensus engine now checks common invariants on block headers, matching ethash engine behavior. (#22836)
  • Errors are now checked when creating the state root of a genesis block. (#22780)
  • The core/asm EVM assembler no longer treats numbers starting with 00 as hexadecimal. (#22883)

For a full rundown of the changes please consult the Geth 1.10.4 release milestone.

As with all our previous releases, you can find the:

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