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ibc_call.go
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/
ibc_call.go
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package keeper
import (
"strconv"
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/ethereum/go-ethereum/common"
evmtypes "github.com/evmos/ethermint/x/evm/types"
"github.com/functionx/fx-core/v7/x/ibc/applications/transfer/types"
)
func (k Keeper) HandlerIbcCall(ctx sdk.Context, sourcePort, sourceChannel string, data types.FungibleTokenPacketData) error {
var mp types.MemoPacket
if err := k.cdc.UnmarshalInterfaceJSON([]byte(data.Memo), &mp); err != nil {
return nil
}
if err := mp.ValidateBasic(); err != nil {
return err
}
switch packet := mp.(type) {
case *types.IbcCallEvmPacket:
hexSender := types.IntermediateSender(sourcePort, sourceChannel, data.Sender)
return k.HandlerIbcCallEvm(ctx, hexSender, packet)
default:
return errorsmod.Wrapf(types.ErrMemoNotSupport, "invalid call type %s", mp.GetType())
}
}
func (k Keeper) HandlerIbcCallEvm(ctx sdk.Context, sender common.Address, evmPacket *types.IbcCallEvmPacket) error {
limit := ctx.ConsensusParams().GetBlock().GetMaxGas()
evmErrCause, evmSuccess := "", false
defer func() {
attrs := []sdk.Attribute{
sdk.NewAttribute(types.AttributeKeyIBCCallType, types.IbcCallType_name[int32(evmPacket.GetType())]),
sdk.NewAttribute(sdk.AttributeKeySender, sender.String()),
sdk.NewAttribute(types.AttributeKeyIBCCallSuccess, strconv.FormatBool(evmSuccess)),
}
if len(evmErrCause) > 0 {
attrs = append(attrs, sdk.NewAttribute(types.AttributeKeyIBCCallErrCause, evmErrCause))
}
ctx.EventManager().EmitEvent(sdk.NewEvent(types.EventTypeIBCCall, attrs...))
}()
txResp, err := k.evmKeeper.CallEVM(ctx, sender,
evmPacket.GetToAddress(), evmPacket.Value.BigInt(), uint64(limit), evmPacket.MustGetData(), true)
if err != nil {
evmErrCause = err.Error()
return err
}
evmSuccess = !txResp.Failed()
evmErrCause = txResp.VmError
if txResp.Failed() {
return errorsmod.Wrap(evmtypes.ErrVMExecution, txResp.VmError)
}
return nil
}