package keeper import ( "context" "time" "github.com/armon/go-metrics" "github.com/palantir/stacktrace" tmbytes "github.com/tendermint/tendermint/libs/bytes" tmtypes "github.com/tendermint/tendermint/types" "github.com/cosmos/cosmos-sdk/telemetry" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/tharsis/ethermint/x/evm/types" ) var _ types.MsgServer = &Keeper{} func (k *Keeper) EthereumTx(goCtx context.Context, msg *types.MsgEthereumTx) (*types.MsgEthereumTxResponse, error) { defer telemetry.ModuleMeasureSince(types.ModuleName, time.Now(), types.TypeMsgEthereumTx) ctx := sdk.UnwrapSDKContext(goCtx) k.WithContext(ctx) sender := msg.From tx := msg.AsTransaction() var labels []metrics.Label if tx.To() == nil { labels = []metrics.Label{ telemetry.NewLabel("execution", "create"), } } else { labels = []metrics.Label{ telemetry.NewLabel("execution", "call"), telemetry.NewLabel("to", tx.To().Hex()), // recipient address (contract or account) } } response, err := k.ApplyTransaction(tx) if err != nil { return nil, stacktrace.Propagate(err, "failed to apply transaction") } defer func() { if tx.Value().IsInt64() { telemetry.SetGauge( float32(tx.Value().Int64()), "tx", "msg", "ethereum_tx", ) } telemetry.IncrCounterWithLabels( []string{types.ModuleName, "ethereum_tx"}, 1, labels, ) }() attrs := []sdk.Attribute{ sdk.NewAttribute(sdk.AttributeKeyAmount, tx.Value().String()), // add event for ethereum transaction hash format sdk.NewAttribute(types.AttributeKeyEthereumTxHash, response.Hash), } if len(ctx.TxBytes()) > 0 { // add event for tendermint transaction hash format hash := tmbytes.HexBytes(tmtypes.Tx(ctx.TxBytes()).Hash()) attrs = append(attrs, sdk.NewAttribute(types.AttributeKeyTxHash, hash.String())) } if tx.To() != nil { attrs = append(attrs, sdk.NewAttribute(types.AttributeKeyRecipient, tx.To().Hex())) } if response.Failed() { attrs = append(attrs, sdk.NewAttribute(types.AttributeKeyEthereumTxFailed, response.VmError)) } // emit events ctx.EventManager().EmitEvents(sdk.Events{ sdk.NewEvent( types.EventTypeEthereumTx, attrs..., ), sdk.NewEvent( sdk.EventTypeMessage, sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory), sdk.NewAttribute(sdk.AttributeKeySender, sender), ), }) return response, nil }