Bridge

Overview

Bridge transfers assets between Ethereum Sepolia and Goliath Testnet.

Access: https://slingshot.goliath.net/#/bridge

Supported Bridge Assets

Asset	Sepolia -> Goliath	Goliath -> Sepolia	Notes
ETH	Live	Live	Sepolia native ETH <-> bridged ETH token on Goliath
XCN	Live	Live	Sepolia ERC20 XCN <-> Goliath native XCN

Contract Addresses

Contract	Network	Address
Bridge	Sepolia	0xA9FD64B5095d626F5A3A67e6DB7FB766345F8092
Bridge	Goliath	0x2c1d218B5a97a26D144ffd12d5C813590f93FFEB
Sepolia XCN (ERC20)	Sepolia	0x7a8adc542A35c93da263A188367F4bF4c445B8E9
Bridged ETH token	Goliath	0xEd02AA7dd3f105EDab8702D859781CAfF111324b

User Flow

Sepolia -> Goliath

1. Open /#/bridge and connect wallet to Sepolia

2. Choose token and amount

3. Confirm bridge transaction

4. Wait for required confirmations and relayer finalization

5. Switch to Goliath to verify receipt

Goliath -> Sepolia

1. Connect wallet to Goliath

2. Approve token (ERC20 route, first time only)

3. Submit bridge/burn transaction

4. Wait for confirmations and relayer finalization

5. Switch to Sepolia and verify receipt

Status and Monitoring

Bridge status API:

https://testnet.mirrornode.goliath.net/bridge/api/v1

Endpoint	Method	Description
/status/{depositId}	GET	Status of deposit operation
/status/{withdrawId}	GET	Status of withdraw operation
/history/{address}	GET	Bridge history for address

Developer Notes

• Typical functions exposed by bridge contracts are depositNative, deposit, and burn.

• Always verify ABI and addresses against explorer before deployment.

• For staking-based Sepolia to Goliath movement, use the dedicated Migrate flow.