OmniBridge Extension

The OmniBridge multi-token extension for the Arbitrary Message Bridge between the Binance Smart Chain and the xDai chain is the simplest way to transfer ANY ERC20/ERC677/ERC827 token to and from the xDai chain.
BSC-xDai isaccessed through the OmniBridge UI. Select BSC-xDai from the dropdown menu and set the MetaMask network to xDai or BSC to proceed.
OmniBridge does not require a UI for functionality, and tokens can be transferred manually. 
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Additional items may be referenced in the ETH-xDai Omnibridge Extension section.
By using this extension any user (not only the token contract owner) can transfer tokens in both directions: from BSC to xDai and from the xDai chain to BSC with fast, inexpensive transactions and without deploying any additional contracts. 
The specified token amount is locked in the mediator contract, a new token contract is deployed automatically on the BSC/xDai chain, and the requested token amount is minted on the xDai/BSC chain. The reverse operation burns bridged tokens on the xDai/BSC chain and unlocks the tokens from the token contract on another side of the bridge.
Note that tokens are appended with the name of the originating chain "from Ethereum" or "from xDai" when bridging. This can result in names such as "STAKE on xDai on BSC" if tokens have been bridged from Ethereum to xDai and then to BSC for example.
OmniBridge technical information and extension parameters
Mediator contract on BSC: 0xF0b456250DC9990662a6F25808cC74A6d1131Ea9​
Mediator contract on the xDai chain: 0x59447362798334d3485c64D1e4870Fde2DDC0d75​
Transfer limits 
Transfer limits are configured per a particular pair of tokens. 
Default limits:
Default limits to transfer assets from Ethereum to the xDai chain:
Daily limit: 10'000'000'001 tokens
Maximum per transaction: 10'000'000'000 tokens
Minimum per transaction: 0.0001 token
Default limits to transfer assets from the xDai chain to Ethereum 
Daily limit: 10'000'000'001 tokens
Maximum per transaction: 10'000'000'000 tokens
Minimum per transaction: 0.0001 token
Bridge operation fees
Fees are also configurable per a particular pair of tokens.
Default fees:
There are no fees (except gas fees for the originating transaction) to transfer assets from the BSC to the xDai chain.
The fee to transfer assets (besides gas fees for the originating transaction) from the xDai chain to BSC is 0.1%.
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Submit confirmations manually

Manual tokens transfer (No UI)

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OmniBridge technical information and extension parameters

Transfer limits

Bridge operation fees