compile solidity from your aion node

aion-compile-solidity.js

/*

Example how to:
+ add RPC calls into Aion Web3
+ check which languages the node can compile
+ compile a solidity contract
+ inspect results

💪🏼

*/

const fs = require("fs")
const path = required("path")
const Web3 = require("aion-web3")
const client = new Web3(new Web3.providers.HttpProvider("http://127.0.0.1:8545"))
const contractPath = path.join(__dirname, "contracts", "MyContract.sol")

//
// extend web3.eth object
// https://web3js.readthedocs.io/en/1.0/web3.html#extend
//
client.eth.extend({
  methods: [
    {
      name: "getCompilers",
      call: "eth_getCompilers"
    },
    {
      name: "compileSolidity",
      call: "eth_compileSolidity",
      params: 1
    }
  ]
})

//
// see which compilers the node has
//
client.eth
  .getCompilers()
  .then(res => {
    // res is probably ["solidity"]
    // res.should.be.an.Array
    // res.indexOf('solidity').should.not.be.exactly(-1)
  })
  .catch(err => console.error("getCompilers error", err))

//
// 1. read a file to a buffer
// 2. convert to string
// 3. send to aion node via RPC call
// 4. inspect result
//
fs.readFile(contractPath, (err, res) => {
  if (err !== null && err !== undefined) {
    console.error('error reading', typesSolPath, err)
    return done(err)
  }
  const source = res.toString()
  client.eth
    .compileSolidity(source)
    .then(res => {
      // console.log("compileSolidity res", res)
    
      const { code, abiDefinition } = res
      
      // code is probably the binary, check it
      // code.should.be.a.String
      
      // abi used for contract definition "jsonInterface"
      // https://web3js.readthedocs.io/en/1.0/web3-eth-contract.html
      // abiDefinition.should.be.an.Object
    })
    .catch(err => console.error("compileSolidity error", err))
})

Also try looking for aion solc aion/aion_fastvm/modFastVM/native/linux/solidity/solc