src/razeClient.js exports a JS object razeApp , which provides all necessary APIs to interact with the contract: initRazeEthClient : initialize a client to interact with a specific Raze contract that has been deployed on a chain; razeEthLogin : retrieve contract status from the chain for a Raze account secret razeEthRegister : register a Raze account with a provided secret razeEthDeposit : deposit certain amount of native tokens on the Raze contract razeEthWithdraw : withdraw a certain amount of native tokens from the Raze contract razeEthTransfer : transfer a certain amount of Raze tokens from one account to anotherrazeClient in src/main.js , creates a client instance through initRazeClient , and stores it in a vue instance, so that the whole frontend can call the above APIs through $raze .