@fantasygold/fantasygoldjs v1.0.0

The FGC JavaScript library for Smart Contract development.

See documentation.

See companion tutorial.

Install

npm install fantasygoldjs

This is a sample code snippet that transfer FGC20 tokens:

import { FantasyGoldRPC } from "fantasygoldjs"

const repoData = require("./solar.json")
const fantasygold = new FantasyGold("http://fantasygold:test@localhost:57810", repoData)

const myToken = fantasygold.contract(
  "zeppelin-solidity/contracts/token/CappedToken.sol",
)

async function transfer(fromAddr, toAddr, amount) {
  const tx = await myToken.send("transfer", [toAddr, amount], {
    senderAddress: fromAddr,
  })

  console.log("transfer tx:", tx.txid)
  console.log(tx)

  await tx.confirm(3)
  console.log("transfer confirmed")
}

The full source code.

This example uses async/await (supported natively by Node 8+).

Running Tests

docker run -it --rm \
  --name fantasygoldjs \
  -v `pwd`:/dapp \
  -p 57810:57810 \
  fantasygold/fantasygoldportal

Configure FGC_RPC for deployment tool:

Enter into container:

docker exec -it fantasygoldjs sh

Generate initial blocks:

fcli importprivkey cMbgxCJrTYUqgcmiC1berh5DFrtY1KeU4PXZ6NZxgenniF1mXCRk
fcli generatetoaddress 600 fUbxboqjBRp96j3La8D1RYkyqx5uQbJPoW

fcli getbalance

2000000.00000000

Deploy test contracts:

export FGC_RPC=http://fantasygold:test@localhost:57810
export FGC_SENDER=fUbxboqjBRp96j3La8D1RYkyqx5uQbJPoW

sh deploy-test-contracts.sh

Build and run tests:

npm build
npm run test