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impr: support batch eth txs (#901)

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* support batch eth tx

Closes: 896

Allow multiple MsgEthereumTx in single tx

* fix transaction receipt api

* fix tx receipt api and accumulate tx gas used

* fix lint

* fix test

* fix rpc test

* cleanup

* fix cumulativeGasUsed and gasUsed

* fix lint

* Update app/ante/eth.go

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

* Update app/ante/eth.go

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

* Update rpc/ethereum/backend/utils.go

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

* pr suggestions

* typo

* fix lint

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
This commit is contained in:
yihuang
2022-01-14 10:37:33 +01:00
committed by GitHub
co-authored by Federico Kunze Küllmer
parent aeb6aeb715
commit 7d8664043e
22 changed files with 466 additions and 320 deletions
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x/evm/spec/02_state.md
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@@ -19,6 +19,7 @@ The `x/evm` module keeps the following objects in state:
| Block Bloom | Block bloom filter, used to accumulate the bloom filter of current block, emitted to events at end blocker. | `[]byte{1} + []byte(tx.Hash)` | `protobuf([]Log)` | Transient |
| Tx Index | Index of current transaction in current block. | `[]byte{2}` | `BigEndian(uint64)` | Transient |
| Log Size | Number of the logs emitted so far in current block. Used to decide the log index of following logs. | `[]byte{3}` | `BigEndian(uint64)` | Transient |
| Gas Used | Amount of gas used by ethereum messages of current cosmos-sdk tx, it's necessary when cosmos-sdk tx contains multiple ethereum messages. | `[]byte{4}` | `BigEndian(uint64)` | Transient |
## StateDB
@@ -161,7 +162,7 @@ With `AddLog()` you can append the given ethereum `Log` to the list of Logs asso
## Keeper
The EVM module `Keeper` grants access to the EVM module state and implements `statedb.Keeper` interface to support the `StateDB` implementation. The Keeper contains a store key that allows the DB to write to a concrete subtree of the multistore that is only accessible to the EVM module. Instead of using a trie and database for querying and persistence (the `StateDB` implementation on Ethermint), use the Cosmos `KVStore` (key-value store) and Cosmos SDK `Keeper` to facilitate state transitions.
The EVM module `Keeper` grants access to the EVM module state and implements `statedb.Keeper` interface to support the `StateDB` implementation. The Keeper contains a store key that allows the DB to write to a concrete subtree of the multistore that is only accessible to the EVM module. Instead of using a trie and database for querying and persistence (the `StateDB` implementation on Ethermint), use the Cosmos `KVStore` (key-value store) and Cosmos SDK `Keeper` to facilitate state transitions.
To support the interface functionality, it imports 4 module Keepers:
x/evm/spec/07_events.md
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@@ -16,6 +16,7 @@ The `x/evm` module emits the Cosmos SDK events after a state execution. The EVM
| ethereum_tx | `"txHash"` | `{tendermint_hex_hash}` |
| ethereum_tx | `"ethereumTxHash"` | `{hex_hash}` |
| ethereum_tx | `"txIndex"` | `{tx_index}` |
| ethereum_tx | `"txGasUsed"` | `{gas_used}` |
| tx_log | `"txLog"` | `{tx_log}` |
| message | `"sender"` | `{eth_address}` |
| message | `"action"` | `"ethereum"` |