Modular Multi-Directional Blockchain Bridge to interact with Multiple Networks; Ethereum, Rootstock, Ethereum Classic and many more to come
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noot and ansermino fix slice out of bounds errors (#44)
fix slice out of bounds errors; check length of blockNum before slicing
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config.json merging Nov 25, 2018
main.go Elizabeth/cleanup (#37) Feb 8, 2019
main_test.go Updated withdraw event test Feb 4, 2019


This is a go implementation of a generic bridge between blockchains. The bridge will be able to connect any networks using native fuel or any token.


  • implement support for non EVM based blockchains


go 1.9.1

go-ethereum go get

solc/solcjs npm i -g solc

to get the bridge

go get

compile abi

cd solidity
mkdir build
solcjs --abi contracts/Bridge.sol -o build

to run

generic instructions for bridge, needs to be updated!

cd $GOPATH/src/
go build && go install

ChainBridge [networks]

the arguments after ChainBridge are the names of the networks you want to listen on as specified in config.json

eg. ChainBridge ropsten kovan

  • 1: mainnet

  • 3: ropsten

  • 4: rinkeby

  • 42: kovan

  • 31: rootstock testnet

    additional flags: ChainBridge -a [networks]

ChainBridge --config ./config.json [networks]

-a read logs from every contract on the network (not really useful, mostly for testing)

-v verbose output

--config specify path to config file

--keystore specify path to keystore file

interacting with the contract

for all the following, you should have another terminal open running the bridge listener with ChainBridge [networks]

ChainBridge fund network this will open up a prompt for you to make a deposit on the specified chain

ChainBridge deposit network this will open up a prompt for you to make a deposit on the specified chain id

ChainBridge pay network pay the bridge contract for a later withdraw on the specified chain

ChainBridge withdraw network this will withdraw ether that was paid to the bridge contract previously

--keystore specify path to keystore directory

--password specify password to account; this assumes that there's the same account for every chain

eg. ChainBridge fund kovan