support burn back to different simlar ethereum blockchain platform token

plugin/dapp/cross2eth/ebrelayer/relayer/chain33/chain33.go

@@ -407,7 +407,7 @@ func (chain33Relayer *Relayer4Chain33) relayLockBurnToChain33(claim *ebTypes.Eth
 	}
 
 	//因为发行的合约的精度为8，所以需要缩小，在进行burn的时候，再进行倍乘,在函数ParseBurnLock4chain33进行
-	if ebTypes.SYMBOL_ETH == claim.Symbol {
+	if 18 == claim.Decimal {
 		bigAmount.Div(bigAmount, big.NewInt(int64(1e10)))
 		claim.Amount = bigAmount.String()
 	}

plugin/dapp/cross2eth/ebrelayer/relayer/ethereum/ethereum.go

@@ -514,6 +514,9 @@ func (ethRelayer *Relayer4Ethereum) handleChain33Msg(chain33Msg *events.Chain33M
 			}
 			tokenAddr = common.HexToAddress(addr)
 		}
+		if ebTypes.EthNilAddr == tokenAddr.String() {
+			prophecyClaim.Amount = prophecyClaim.Amount.Mul(prophecyClaim.Amount, big.NewInt(int64(1e10)))
+		}
 	}
 
 	// Relay the Chain33Msg to the Ethereum network

plugin/dapp/cross2eth/ebrelayer/relayer/ethereum/ethtxs/parser.go

@@ -10,12 +10,9 @@ package ethtxs
 // --------------------------------------------------------
 
 import (
-	"strings"
-
 	"github.com/33cn/chain33/common/address"
 	"github.com/33cn/plugin/plugin/dapp/cross2eth/ebrelayer/relayer/events"
 	ebrelayerTypes "github.com/33cn/plugin/plugin/dapp/cross2eth/ebrelayer/types"
-	"github.com/ethereum/go-ethereum/common"
 )
 
 // LogLockToEthBridgeClaim : parses and packages a LockEvent struct with a validator address in an EthBridgeClaim msg
@@ -24,11 +21,6 @@ func LogLockToEthBridgeClaim(event *events.LockEvent, ethereumChainID int64, bri
 	if 0 == len(recipient) {
 		return nil, ebrelayerTypes.ErrEmptyAddress
 	}
-	// Symbol formatted to lowercase
-	symbol := strings.ToLower(event.Symbol)
-	if symbol == "eth" && event.Token != common.HexToAddress("0x0000000000000000000000000000000000000000") {
-		return nil, ebrelayerTypes.ErrAddress4Eth
-	}
 
 	chain33Receiver := new(address.Address)
 	chain33Receiver.SetBytes(recipient)

plugin/dapp/cross2eth/ebrelayer/relayer/events/chain33Event.go

@@ -132,9 +132,6 @@ func ParseBurnLock4chain33(evmEventType Chain33EvmEvent, data []byte, bridgeBank
 			TxHash:               chain33TxHash,
 			Nonce:                burnEvent.Nonce.Int64(),
 		}
-		if ebrelayerTypes.SYMBOL_ETH == burnEvent.Symbol {
-			chain33Msg.Amount = chain33Msg.Amount.Mul(chain33Msg.Amount, big.NewInt(int64(1e10)))
-		}
 		return chain33Msg, nil
 	}