This is a ServiceChain bridge

It is for making service chain bridge and for generating go files for klaytn from bridge contract.

Versions used to build

• npm 6.14.16
• node v12.22.10
• truffle 5.5.19
• solc 0.8.15
• Web3.js v1.5.3
• klaytn abigen v1.8.4
• klaytn 1.8.4
• go 1.18.2

The Solidity Tool

Solc is available as a Homebrew package for macOS.

brew update
brew tap ethereum/ethereum
brew install solidity

Install @klaytn/contracts node modules

• yarn add @klaytn/contracts@1.0.2

Install truffle node modules

• yarn add truffle
• yarn add @chainsafe/truffle-plugin-abigen

yarn install

The Truffle Tool

Compile the contract

$ yarn truffle compile

Generate the ABI and BIN files (stored in abigenBindings/)

$ yarn truffle run abigen

Create Go code from solidity bytecode

Create the Go binding with bytecode

$ go generate generate.go 

Tagging

$ git tag v0.9.7
$ git push origin v0.9.7 

Packaging for klaytn projects

add servicechain-contracts modules in klaytn go.mod

require ( 
  github.com/klaytn/servicechain-contracts v0.9.7
)

import servicechain-contracts

import "github.com/klaytn/servicechain-contracts/bridge"