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rpc: extract sender address from msg signature (#217)

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* extract real from address in rpc tx query api

Closes: #210

* Update x/evm/types/msg.go

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

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
This commit is contained in:
yihuang 2021-07-02 17:34:15 +08:00 committed by GitHub
parent 6e983a9da1
commit e6f1874cfc
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 32 additions and 6 deletions
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12
ethereum/rpc/backend/backend.go
View File

@ -49,15 +49,21 @@ type EVMBackend struct {
clientCtx client.Context
queryClient *types.QueryClient // gRPC query client
logger log.Logger
chainID *big.Int
}
// NewEVMBackend creates a new EVMBackend instance
func NewEVMBackend(clientCtx client.Context) *EVMBackend {
chainID, err := ethermint.ParseChainID(clientCtx.ChainID)
if err != nil {
panic(err)
}
return &EVMBackend{
ctx: context.Background(),
clientCtx: clientCtx,
queryClient: types.NewQueryClient(clientCtx),
logger: log.WithField("module", "evm-backend"),
chainID: chainID,
}
}
@ -151,9 +157,13 @@ func (e *EVMBackend) EthBlockFromTendermint(
hash := msg.AsTransaction().Hash()
if fullTx {
from, err := msg.GetSender(e.chainID)
if err != nil {
from = common.HexToAddress(msg.From)
}
ethTx, err := types.NewTransactionFromData(
msg.Data,
common.HexToAddress(msg.From),
from,
hash,
common.BytesToHash(block.Hash()),
uint64(block.Height),

11
ethereum/rpc/namespaces/eth/api.go
View File

@ -723,9 +723,13 @@ func (e *PublicAPI) GetTransactionByHash(hash common.Hash) (*rpctypes.RPCTransac
return nil, fmt.Errorf("invalid tx type: %T", tx)
}
from, err := msg.GetSender(e.chainIDEpoch)
if err != nil {
return nil, err
}
return rpctypes.NewTransactionFromData(
msg.Data,
common.HexToAddress(msg.From),
from,
hash,
common.BytesToHash(resBlock.Block.Hash()),
uint64(res.Height),
@ -880,7 +884,10 @@ func (e *PublicAPI) GetTransactionReceipt(hash common.Hash) (map[string]interfac
status = hexutil.Uint(ethtypes.ReceiptStatusFailed)
}
from := common.HexToAddress(msg.From)
from, err := msg.GetSender(e.chainIDEpoch)
if err != nil {
return nil, err
}
resLogs, err := e.queryClient.TxLogs(e.ctx, &evmtypes.QueryTxLogsRequest{Hash: hash.Hex()})
if err != nil {

11
x/evm/types/msg.go
View File

@ -216,3 +216,14 @@ func (msg MsgEthereumTx) AsTransaction() *ethtypes.Transaction {
func (msg MsgEthereumTx) AsMessage(signer ethtypes.Signer) (core.Message, error) {
return msg.AsTransaction().AsMessage(signer)
}
// GetSender extracts the sender address from the signature values using the latest signer for the given chainID.
func (msg *MsgEthereumTx) GetSender(chainID *big.Int) (common.Address, error) {
signer := ethtypes.LatestSignerForChainID(chainID)
from, err := signer.Sender(msg.AsTransaction())
if err != nil {
return common.Address{}, err
}
msg.From = from.Hex()
return from, nil
}

4
x/evm/types/msg_test.go
View File

@ -183,9 +183,7 @@ func (suite *MsgsTestSuite) TestMsgEthereumTx_Sign() {
if tc.expectPass {
suite.Require().NoError(err, "valid test %d failed: %s", i, tc.msg)
tx := tc.tx.AsTransaction()
sender, err := ethtypes.Sender(tc.ethSigner, tx)
sender, err := tc.tx.GetSender(suite.chainID)
suite.Require().NoError(err, tc.msg)
suite.Require().Equal(tc.tx.From, sender.Hex(), tc.msg)
} else {