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laconicd-deprecated/CHANGELOG.md
Thomas Nguy 75d553674c
evm, rpc: disable BaseFee for non London block (#662) 
* disable basefee if not london block

* add london block check in state transition

* fix linter

* add unit test

* clean code

* add changelog
2021-10-13 15:39:47 +02:00

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# Changelog
## Unreleased
### State Machine Breaking
* (evm, ante) [tharsis#620](https://github.com/tharsis/ethermint/pull/620) Add fee market field to EVM `Keeper` and `AnteHandler`.
* (all) [tharsis#231](https://github.com/tharsis/ethermint/pull/231) Bump go-ethereum version to [`v1.10.9`](https://github.com/ethereum/go-ethereum/releases/tag/v1.10.9)
### Features
* (rpc) [tharsis#624](https://github.com/tharsis/ethermint/pull/624) Implement new JSON-RPC endpoints from latest geth version
* (evm) [tharsis#662](https://github.com/tharsis/ethermint/pull/662) Disable basefee for non london blocks
### Bug Fixes
* (deps) [tharsis#655](https://github.com/tharsis/ethermint/pull/665) Bump Cosmos SDK version to [`v0.44.2`](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.44.2).
* (evm) [tharsis#650](https://github.com/tharsis/ethermint/pull/650) Fix panic when flattening the cache context in case transaction is reverted.
* (rpc, test) [tharsis#608](https://github.com/tharsis/ethermint/pull/608) Fix rpc test.
* (rpc) [tharsis#661](https://github.com/tharsis/ethermint/pull/661) Fix OOM bug when creating too many filters using JSON-RPC.
* (evm) [tharsis#660](https://github.com/tharsis/ethermint/pull/660) Fix `nil` pointer panic in `ApplyNativeMessage`.
## [v0.7.0] - 2021-10-07
### API Breaking
* (rpc) [tharsis#400](https://github.com/tharsis/ethermint/issues/400) Restructure JSON-RPC directory and rename server config
### Improvements
* (deps) [tharsis#621](https://github.com/tharsis/ethermint/pull/621) Bump IBC-go to [`v1.2.1`](https://github.com/cosmos/ibc-go/releases/tag/v1.2.1)
* (evm) [tharsis#613](https://github.com/tharsis/ethermint/pull/613) Refactor `traceTx`
* (deps) [tharsis#610](https://github.com/tharsis/ethermint/pull/610) Bump Cosmos SDK to [v0.44.1](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.44.1).
### Bug Fixes
* (rpc) [tharsis#667](https://github.com/tharsis/ethermint/issues/667) Fix ExpandHome restrictions bypass
* (rpc) [tharsis#642](https://github.com/tharsis/ethermint/issues/642) Fix `eth_getLogs` when string is specified in filter's from or to fields
* (evm) [tharsis#616](https://github.com/tharsis/ethermint/issues/616) Fix halt on deeply nested stack of cache context. Stack is now flattened before iterating over the tx logs.
* (rpc, evm) [tharsis#614](https://github.com/tharsis/ethermint/issues/614) Use JSON for (un)marshaling tx `Log`s from events.
* (rpc) [tharsis#611](https://github.com/tharsis/ethermint/pull/611) Fix panic on JSON-RPC when querying for an invalid block height.
* (cmd) [tharsis#483](https://github.com/tharsis/ethermint/pull/483) Use config values on genesis accounts.
## [v0.6.0] - 2021-09-29
### State Machine Breaking
* (app) [tharsis#476](https://github.com/tharsis/ethermint/pull/476) Update Bech32 HRP to `ethm`.
* (evm) [tharsis#556](https://github.com/tharsis/ethermint/pull/556) Remove tx logs and block bloom from chain state
* (evm) [tharsis#590](https://github.com/tharsis/ethermint/pull/590) Contract storage key is not hashed anymore
### API Breaking
* (evm) [tharsis#469](https://github.com/tharsis/ethermint/pull/469) Deprecate `YoloV3Block` and `EWASMBlock` from `ChainConfig`
### Features
* (evm) [tharsis#469](https://github.com/tharsis/ethermint/pull/469) Support [EIP-1559](https://eips.ethereum.org/EIPS/eip-1559)
* (evm) [tharsis#417](https://github.com/tharsis/ethermint/pull/417) Add `EvmHooks` for tx post-processing
* (rpc) [tharsis#506](https://github.com/tharsis/ethermint/pull/506) Support for `debug_traceTransaction` RPC endpoint
* (rpc) [tharsis#555](https://github.com/tharsis/ethermint/pull/555) Support for `debug_traceBlockByNumber` RPC endpoint
### Bug Fixes
* (rpc, server) [tharsis#600](https://github.com/tharsis/ethermint/pull/600) Add TLS configuration for websocket API
* (rpc) [tharsis#598](https://github.com/tharsis/ethermint/pull/598) Check truncation when creating a `BlockNumber` from `big.Int`
* (evm) [tharsis#597](https://github.com/tharsis/ethermint/pull/597) Check for `uint64` -> `int64` block height overflow on `GetHashFn`
* (evm) [tharsis#579](https://github.com/tharsis/ethermint/pull/579) Update `DeriveChainID` function to handle `v` signature values `< 35`.
* (encoding) [tharsis#478](https://github.com/tharsis/ethermint/pull/478) Register `Evidence` to amino codec.
* (rpc) [tharsis#478](https://github.com/tharsis/ethermint/pull/481) Getting the node configuration when calling the `miner` rpc methods.
* (cli) [tharsis#561](https://github.com/tharsis/ethermint/pull/561) `Export` and `Start` commands now use the same home directory.
### Improvements
* (evm) [tharsis#461](https://github.com/tharsis/ethermint/pull/461) Increase performance of `StateDB` transaction log storage (r/w).
* (evm) [tharsis#566](https://github.com/tharsis/ethermint/pull/566) Introduce `stateErr` store in `StateDB` to avoid meaningless operations if any error happened before
* (rpc, evm) [tharsis#587](https://github.com/tharsis/ethermint/pull/587) Apply bloom filter when query ethlogs with range of blocks
* (evm) [tharsis#586](https://github.com/tharsis/ethermint/pull/586) Benchmark evm keeper
## [v0.5.0] - 2021-08-20
### State Machine Breaking
* (app, rpc) [tharsis#447](https://github.com/tharsis/ethermint/pull/447) Chain ID format has been changed from `<identifier>-<epoch>` to `<identifier>_<EIP155_number>-<epoch>`
in order to clearly distinguish permanent vs impermanent components.
* (app, evm) [tharsis#434](https://github.com/tharsis/ethermint/pull/434) EVM `Keeper` struct and `NewEVM` function now have a new `trace` field to define
the Tracer type used to collect execution traces from the EVM transaction execution.
* (evm) [tharsis#175](https://github.com/tharsis/ethermint/issues/175) The msg `TxData` field is now represented as a `*proto.Any`.
* (evm) [tharsis#84](https://github.com/tharsis/ethermint/pull/84) Remove `journal`, `CommitStateDB` and `stateObjects`.
* (rpc, evm) [tharsis#81](https://github.com/tharsis/ethermint/pull/81) Remove tx `Receipt` from store and replace it with fields obtained from the Tendermint RPC client.
* (evm) [tharsis#72](https://github.com/tharsis/ethermint/issues/72) Update `AccessList` to use `TransientStore` instead of map.
* (evm) [tharsis#68](https://github.com/tharsis/ethermint/issues/68) Replace block hash storage map to use staking `HistoricalInfo`.
* (evm) [tharsis#276](https://github.com/tharsis/ethermint/pull/276) Vm errors don't result in cosmos tx failure, just
different tx state and events.
* (evm) [tharsis#342](https://github.com/tharsis/ethermint/issues/342) Don't clear balance when resetting the account.
* (evm) [tharsis#334](https://github.com/tharsis/ethermint/pull/334) Log index changed to the index in block rather than
tx.
* (evm) [tharsis#399](https://github.com/tharsis/ethermint/pull/399) Exception in sub-message call reverts the call if it's not propagated.
### API Breaking
* (proto) [tharsis#448](https://github.com/tharsis/ethermint/pull/448) Bump version for all Ethermint messages to `v1`
* (server) [tharsis#434](https://github.com/tharsis/ethermint/pull/434) `evm-rpc` flags and app config have been renamed to `json-rpc`.
* (proto, evm) [tharsis#207](https://github.com/tharsis/ethermint/issues/207) Replace `big.Int` in favor of `sdk.Int` for `TxData` fields
* (proto, evm) [tharsis#81](https://github.com/tharsis/ethermint/pull/81) gRPC Query and Tx service changes:
* The `TxReceipt`, `TxReceiptsByBlockHeight` endpoints have been removed from the Query service.
* The `ContractAddress`, `Bloom` have been removed from the `MsgEthereumTxResponse` and the
response now contains the ethereum-formatted `Hash` in hex format.
* (eth) [\#845](https://github.com/cosmos/ethermint/pull/845) The `eth` namespace must be included in the list of API's as default to run the rpc server without error.
* (evm) [#202](https://github.com/tharsis/ethermint/pull/202) Web3 api `SendTransaction`/`SendRawTransaction` returns ethereum compatible transaction hash, and query api `GetTransaction*` also accept that.
* (rpc) [tharsis#258](https://github.com/tharsis/ethermint/pull/258) Return empty `BloomFilter` instead of throwing an error when it cannot be found (`nil` or empty).
* (rpc) [tharsis#277](https://github.com/tharsis/ethermint/pull/321) Fix `BloomFilter` response.
### Improvements
* (client) [tharsis#450](https://github.com/tharsis/ethermint/issues/450) Add EIP55 hex address support on `debug addr` command.
* (server) [tharsis#343](https://github.com/tharsis/ethermint/pull/343) Define a wrap tendermint logger `Handler` go-ethereum's `root` logger.
* (rpc) [tharsis#457](https://github.com/tharsis/ethermint/pull/457) Configure RPC gas cap through app config.
* (evm) [tharsis#434](https://github.com/tharsis/ethermint/pull/434) Support different `Tracer` types for the EVM.
* (deps) [tharsis#427](https://github.com/tharsis/ethermint/pull/427) Bump ibc-go to [`v1.0.0`](https://github.com/cosmos/ibc-go/releases/tag/v1.0.0)
* (gRPC) [tharsis#239](https://github.com/tharsis/ethermint/pull/239) Query `ChainConfig` via gRPC.
* (rpc) [tharsis#181](https://github.com/tharsis/ethermint/pull/181) Use evm denomination for params on tx fee.
* (deps) [tharsis#423](https://github.com/tharsis/ethermint/pull/423) Bump Cosmos SDK and Tendermint versions to [v0.43.0](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.43.0) and [v0.34.11](https://github.com/tendermint/tendermint/releases/tag/v0.34.11), respectively.
* (evm) [tharsis#66](https://github.com/tharsis/ethermint/issues/66) Support legacy transaction types for signing.
* (evm) [tharsis#24](https://github.com/tharsis/ethermint/pull/24) Implement metrics for `MsgEthereumTx`, state transitions, `BeginBlock` and `EndBlock`.
* (rpc) [#124](https://github.com/tharsis/ethermint/issues/124) Implement `txpool_content`, `txpool_inspect` and `txpool_status` RPC methods
* (rpc) [tharsis#112](https://github.com/tharsis/ethermint/pull/153) Fix `eth_coinbase` to return the ethereum address of the validator
* (rpc) [tharsis#176](https://github.com/tharsis/ethermint/issues/176) Support fetching pending nonce
* (rpc) [tharsis#272](https://github.com/tharsis/ethermint/pull/272) do binary search to estimate gas accurately
* (rpc) [#313](https://github.com/tharsis/ethermint/pull/313) Implement internal debug namespace (Not including logger functions nor traces).
* (rpc) [#349](https://github.com/tharsis/ethermint/pull/349) Implement configurable JSON-RPC APIs to manage enabled namespaces.
* (rpc) [#377](https://github.com/tharsis/ethermint/pull/377) Implement `miner_` namespace. `miner_setEtherbase` and `miner_setGasPrice` are working as intended. All the other calls are not applicable and return `unsupported`.
* (eth) [tharsis#460](https://github.com/tharsis/ethermint/issues/460) Add support for EIP-1898.
### Bug Fixes
* (keys) [tharsis#346](https://github.com/tharsis/ethermint/pull/346) Fix `keys add` command with `--ledger` flag for the `secp256k1` signing algorithm.
* (evm) [tharsis#291](https://github.com/tharsis/ethermint/pull/291) Use block proposer address (validator operator) for `COINBASE` opcode.
* (rpc) [tharsis#81](https://github.com/tharsis/ethermint/pull/81) Fix transaction hashing and decoding on `eth_sendTransaction`.
* (rpc) [tharsis#45](https://github.com/tharsis/ethermint/pull/45) Use `EmptyUncleHash` and `EmptyRootHash` for empty ethereum `Header` fields.
## [v0.4.1] - 2021-03-01
### API Breaking
* (faucet) [\#678](https://github.com/cosmos/ethermint/pull/678) Faucet module has been removed in favor of client libraries such as [`@cosmjs/faucet`](https://github.com/cosmos/cosmjs/tree/master/packages/faucet).
* (evm) [\#670](https://github.com/cosmos/ethermint/pull/670) Migrate types to the ones defined by the protobuf messages, which are required for the stargate release.
### Bug Fixes
* (evm) [\#799](https://github.com/cosmos/ethermint/issues/799) Fix wrong precision in calculation of gas fee.
* (evm) [\#760](https://github.com/cosmos/ethermint/issues/760) Fix Failed to call function EstimateGas.
* (evm) [\#767](https://github.com/cosmos/ethermint/issues/767) Fix error of timeout when using Truffle to deploy contract.
* (evm) [\#751](https://github.com/cosmos/ethermint/issues/751) Fix misused method to calculate block hash in evm related function.
* (evm) [\#721](https://github.com/cosmos/ethermint/issues/721) Fix mismatch block hash in rpc response when use eht.getBlock.
* (evm) [\#730](https://github.com/cosmos/ethermint/issues/730) Fix 'EIP2028' not open when Istanbul version has been enabled.
* (evm) [\#749](https://github.com/cosmos/ethermint/issues/749) Fix panic in `AnteHandler` when gas price larger than 100000
* (evm) [\#747](https://github.com/cosmos/ethermint/issues/747) Fix format errors in String() of QueryETHLogs
* (evm) [\#742](https://github.com/cosmos/ethermint/issues/742) Add parameter check for evm query func.
* (evm) [\#687](https://github.com/cosmos/ethermint/issues/687) Fix nonce check to explicitly check for the correct nonce, rather than a simple 'greater than' comparison.
* (api) [\#687](https://github.com/cosmos/ethermint/issues/687) Returns error for a transaction with an incorrect nonce.
* (evm) [\#674](https://github.com/cosmos/ethermint/issues/674) Reset all cache after account data has been committed in `EndBlock` to make sure every node state consistent.
* (evm) [\#672](https://github.com/cosmos/ethermint/issues/672) Fix panic of `wrong Block.Header.AppHash` when restart a node with snapshot.
* (evm) [\#775](https://github.com/cosmos/ethermint/issues/775) MisUse of headHash as blockHash when create EVM context.
### Features
* (api) [\#821](https://github.com/cosmos/ethermint/pull/821) Individually enable the api modules. Will be implemented in the latest version of ethermint with the upcoming stargate upgrade.
### Features
* (api) [\#825](https://github.com/cosmos/ethermint/pull/825) Individually enable the api modules. Will be implemented in the latest version of ethermint with the upcoming stargate upgrade.
## [v0.4.0] - 2020-12-15
### API Breaking
* (evm) [\#661](https://github.com/cosmos/ethermint/pull/661) `Balance` field has been removed from the evm module's `GenesisState`.
### Features
* (rpc) [\#571](https://github.com/cosmos/ethermint/pull/571) Add pending queries to JSON-RPC calls. This allows for the querying of pending transactions and other relevant information that pertains to the pending state:
* `eth_getBalance`
* `eth_getTransactionCount`
* `eth_getBlockTransactionCountByNumber`
* `eth_getBlockByNumber`
* `eth_getTransactionByHash`
* `eth_getTransactionByBlockNumberAndIndex`
* `eth_sendTransaction` - the nonce will automatically update to its pending nonce (when none is explicitly provided)
### Improvements
* (evm) [\#661](https://github.com/cosmos/ethermint/pull/661) Add invariant check for account balance and account nonce.
* (deps) [\#654](https://github.com/cosmos/ethermint/pull/654) Bump go-ethereum version to [v1.9.25](https://github.com/ethereum/go-ethereum/releases/tag/v1.9.25)
* (evm) [\#627](https://github.com/cosmos/ethermint/issues/627) Add extra EIPs parameter to apply custom EVM jump tables.
### Bug Fixes
* (evm) [\#661](https://github.com/cosmos/ethermint/pull/661) Set nonce to the EVM account on genesis initialization.
* (rpc) [\#648](https://github.com/cosmos/ethermint/issues/648) Fix block cumulative gas used value.
* (evm) [\#621](https://github.com/cosmos/ethermint/issues/621) EVM `GenesisAccount` fields now share the same format as the auth module `Account`.
* (evm) [\#618](https://github.com/cosmos/ethermint/issues/618) Add missing EVM `Context` `GetHash` field that retrieves a the header hash from a given block height.
* (app) [\#617](https://github.com/cosmos/ethermint/issues/617) Fix genesis export functionality.
* (rpc) [\#574](https://github.com/cosmos/ethermint/issues/574) Fix outdated version from `eth_protocolVersion`.
## [v0.3.1] - 2020-11-24
### Improvements
* (deps) [\#615](https://github.com/cosmos/ethermint/pull/615) Bump Cosmos SDK version to [v0.39.2](https://github.com/cosmos/cosmos-sdk/tag/v0.39.2)
* (deps) [\#610](https://github.com/cosmos/ethermint/pull/610) Update Go dependency to 1.15+.
* (evm) [#603](https://github.com/cosmos/ethermint/pull/603) Add state transition params that enable or disable the EVM `Call` and `Create` operations.
* (deps) [\#602](https://github.com/cosmos/ethermint/pull/602) Bump tendermint version to [v0.33.9](https://github.com/tendermint/tendermint/releases/tag/v0.33.9)
### Bug Fixes
* (rpc) [\#613](https://github.com/cosmos/ethermint/issues/613) Fix potential deadlock caused if the keyring `List` returned an error.
## [v0.3.0] - 2020-11-16
### API Breaking
* (crypto) [\#559](https://github.com/cosmos/ethermint/pull/559) Refactored crypto package in preparation for the SDK's Stargate release:
* `crypto.PubKeySecp256k1` and `crypto.PrivKeySecp256k1` are now `ethsecp256k1.PubKey` and `ethsecp256k1.PrivKey`, respectively
* Moved SDK `SigningAlgo` implementation for Ethermint's Secp256k1 key to `crypto/hd` package.
* (rpc) [\#588](https://github.com/cosmos/ethermint/pull/588) The `rpc` package has been refactored to account for the separation of each
corresponding Ethereum API namespace:
* `rpc/namespaces/eth`: `eth` namespace. Exposes the `PublicEthereumAPI` and the `PublicFilterAPI`.
* `rpc/namespaces/personal`: `personal` namespace. Exposes the `PrivateAccountAPI`.
* `rpc/namespaces/net`: `net` namespace. Exposes the `PublicNetAPI`.
* `rpc/namespaces/web3`: `web3` namespace. Exposes the `PublicWeb3API`.
* (evm) [\#588](https://github.com/cosmos/ethermint/pull/588) The EVM transaction CLI has been removed in favor of the JSON-RPC.
### Improvements
* (deps) [\#594](https://github.com/cosmos/ethermint/pull/594) Bump go-ethereum version to [v1.9.24](https://github.com/ethereum/go-ethereum/releases/tag/v1.9.24)
### Bug Fixes
* (ante) [\#597](https://github.com/cosmos/ethermint/pull/597) Fix incorrect fee check on `AnteHandler`.
* (evm) [\#583](https://github.com/cosmos/ethermint/pull/583) Fixes incorrect resetting of tx count and block bloom during `BeginBlock`, as well as gas consumption.
* (crypto) [\#577](https://github.com/cosmos/ethermint/pull/577) Fix `BIP44HDPath` that did not prepend `m/` to the path. This now uses the `DefaultBaseDerivationPath` variable from go-ethereum to ensure addresses are consistent.
## [v0.2.1] - 2020-09-30
### Features
* (rpc) [\#552](https://github.com/cosmos/ethermint/pull/552) Implement Eth Personal namespace `personal_importRawKey`.
### Bug fixes
* (keys) [\#554](https://github.com/cosmos/ethermint/pull/554) Fix private key derivation.
* (app/ante) [\#550](https://github.com/cosmos/ethermint/pull/550) Update ante handler nonce verification to accept any nonce greater than or equal to the expected nonce to allow to successive transactions.
## [v0.2.0] - 2020-09-24
### State Machine Breaking
* (app) [\#540](https://github.com/cosmos/ethermint/issues/540) Chain identifier's format has been changed to match the Cosmos `chainID` [standard](https://github.com/ChainAgnostic/CAIPs/blob/master/CAIPs/caip-5.md), which is required for IBC. The epoch number of the ID is used as the EVM `chainID`.
### API Breaking
* (types) [\#503](https://github.com/cosmos/ethermint/pull/503) The `types.DenomDefault` constant for `"aphoton"` has been renamed to `types.AttoPhoton`.
### Improvements
* (types) [\#504](https://github.com/cosmos/ethermint/pull/504) Unmarshal a JSON `EthAccount` using an Ethereum hex address in addition to Bech32.
* (types) [\#503](https://github.com/cosmos/ethermint/pull/503) Add `--coin-denom` flag to testnet command that sets the given coin denomination to SDK and Ethermint parameters.
* (types) [\#502](https://github.com/cosmos/ethermint/pull/502) `EthAccount` now also exposes the Ethereum hex address in `string` format to clients.
* (types) [\#494](https://github.com/cosmos/ethermint/pull/494) Update `EthAccount` public key JSON type to `string`.
* (app) [\#471](https://github.com/cosmos/ethermint/pull/471) Add `x/upgrade` module for managing software updates.
* (`x/evm`) [\#458](https://github.com/cosmos/ethermint/pull/458) Define parameter for token denomination used for the EVM module.
* (`x/evm`) [\#443](https://github.com/cosmos/ethermint/issues/443) Support custom Ethereum `ChainConfig` params.
* (types) [\#434](https://github.com/cosmos/ethermint/issues/434) Update default denomination to Atto Photon (`aphoton`).
* (types) [\#515](https://github.com/cosmos/ethermint/pull/515) Update minimum gas price to be 1.
### Bug Fixes
* (ante) [\#525](https://github.com/cosmos/ethermint/pull/525) Add message validation decorator to `AnteHandler` for `MsgEthereumTx`.
* (types) [\#507](https://github.com/cosmos/ethermint/pull/507) Fix hardcoded `aphoton` on `EthAccount` balance getter and setter.
* (types) [\#501](https://github.com/cosmos/ethermint/pull/501) Fix bech32 encoding error by using the compressed ethereum secp256k1 public key.
* (`x/evm`) [\#496](https://github.com/cosmos/ethermint/pull/496) Fix bugs on `journal.revert` and `CommitStateDB.Copy`.
* (types) [\#480](https://github.com/cosmos/ethermint/pull/480) Update [BIP44](https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki) coin type to `60` to satisfy [EIP84](https://github.com/ethereum/EIPs/issues/84).
* (types) [\#513](https://github.com/cosmos/ethermint/pull/513) Fix simulated transaction bug that was causing a consensus error by unintentionally affecting the state.
## [v0.1.0] - 2020-08-23
### Improvements
* (sdk) [\#386](https://github.com/cosmos/ethermint/pull/386) Bump Cosmos SDK version to [v0.39.1](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.39.1)
* (`x/evm`) [\#181](https://github.com/cosmos/ethermint/issues/181) Updated EVM module to the recommended module structure.
* (app) [\#188](https://github.com/cosmos/ethermint/issues/186) Misc cleanup:
* (`x/evm`) Rename `EthereumTxMsg` --> `MsgEthereumTx` and `EmintMsg` --> `MsgEthermint` for consistency with SDK standards
* Updated integration and unit tests to use `EthermintApp` as testing suite
* Use expected `Keeper` interface for `AccountKeeper`
* Replaced `count` type in keeper with `int`
* Add SDK events for transactions
* [\#236](https://github.com/cosmos/ethermint/pull/236) Changes from upgrade:
* (`app/ante`) Moved `AnteHandler` implementation to `app/ante`
* (keys) Marked `ExportEthKeyCommand` as **UNSAFE**
* (`x/evm`) Moved `BeginBlock` and `EndBlock` to `x/evm/abci.go`
* (`x/evm`) [\#255](https://github.com/cosmos/ethermint/pull/255) Add missing `GenesisState` fields and support `ExportGenesis` functionality.
* [\#272](https://github.com/cosmos/ethermint/pull/272) Add `Logger` for evm module.
* [\#317](https://github.com/cosmos/ethermint/pull/317) `GenesisAccount` validation.
* (`x/evm`) [\#319](https://github.com/cosmos/ethermint/pull/319) Various evm improvements:
* Add transaction `[]*ethtypes.Logs` to evm's `GenesisState` to persist logs after an upgrade.
* Remove evm `CodeKey` and `BlockKey`in favor of a prefix `Store`.
* Set `BlockBloom` during `EndBlock` instead of `BeginBlock`.
* `Commit` state object and `Finalize` storage after `InitGenesis` setup.
* (rpc) [\#325](https://github.com/cosmos/ethermint/pull/325) `eth_coinbase` JSON-RPC query now returns the node's validator address.
### Features
* (build) [\#378](https://github.com/cosmos/ethermint/pull/378) Create multi-node, local, automated testnet setup with `make localnet-start`.
* (rpc) [\#330](https://github.com/cosmos/ethermint/issues/330) Implement `PublicFilterAPI`'s `EventSystem` which subscribes to Tendermint events upon `Filter` creation.
* (rpc) [\#231](https://github.com/cosmos/ethermint/issues/231) Implement `NewBlockFilter` in rpc/filters.go which instantiates a polling block filter
* Polls for new blocks via `BlockNumber` rpc call; if block number changes, it requests the new block via `GetBlockByNumber` rpc call and adds it to its internal list of blocks
* Update `uninstallFilter` and `getFilterChanges` accordingly
* `uninstallFilter` stops the polling goroutine
* `getFilterChanges` returns the filter's internal list of block hashes and resets it
* (rpc) [\#54](https://github.com/cosmos/ethermint/issues/54), [\#55](https://github.com/cosmos/ethermint/issues/55)
Implement `eth_getFilterLogs` and `eth_getLogs`:
* For a given filter, look through each block for transactions. If there are transactions in the block, get the logs from it, and filter using the filterLogs method
* `eth_getLogs` and `eth_getFilterChanges` for log filters use the same underlying method as `eth_getFilterLogs`
* update `HandleMsgEthereumTx` to store logs using the ethereum hash
* (app) [\#187](https://github.com/cosmos/ethermint/issues/187) Add support for simulations.
### Bug Fixes
* (evm) [\#767](https://github.com/cosmos/ethermint/issues/767) Fix error of timeout when using Truffle to deploy contract.
* (evm) [\#751](https://github.com/cosmos/ethermint/issues/751) Fix misused method to calculate block hash in evm related function.
* (evm) [\#721](https://github.com/cosmos/ethermint/issues/721) Fix mismatch block hash in rpc response when use eth.getBlock.
* (evm) [\#730](https://github.com/cosmos/ethermint/issues/730) Fix 'EIP2028' not open when Istanbul version has been enabled.
* (app) [\#749](https://github.com/cosmos/ethermint/issues/749) Fix panic in `AnteHandler` when gas price larger than 100000
* (rpc) [\#305](https://github.com/cosmos/ethermint/issues/305) Update `eth_getTransactionCount` to check for account existence before getting sequence and return 0 as the nonce if it doesn't exist.
* (`x/evm`) [\#319](https://github.com/cosmos/ethermint/pull/319) Fix `SetBlockHash` that was setting the incorrect height during `BeginBlock`.
* (`x/evm`) [\#176](https://github.com/cosmos/ethermint/issues/176) Updated Web3 transaction hash from using RLP hash. Now all transaction hashes exposed are amino hashes:
* Removes `Hash()` (RLP) function from `MsgEthereumTx` to avoid confusion or misuse in future.
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