generic-caver/utils/convertData.js

Object.assign(global, require('ffp-js'));

const findFunctionInABI = (contract, funcSig) => go(
    contract._jsonInterface,
    filterL(obj => 
      obj.name == fnSpliter(funcSig) && 
      go(
        funcSig,
        _ => funcSig.substring(funcSig.indexOf('(')+1, funcSig.length-1).split(','),
        callTypes => go(
            obj.inputs,
            map(a => a.type),
            abiTypes => merge(callTypes, abiTypes)
        ),
        filterL(a => a[0] !== a[1]),
        take(1),
        a => a.length == 0
      )
    ),
    take(1),
    func => {
      if (func.length == 0) throw { message: 'Please check function signature or parameter(length).' }
      else return func
    }
  )

const fnSpliter = fnSignature => go(fnSignature, str => str.substr(0, str.indexOf('(')));

const inputGenerator = (contract, funcSig, params) => go(
        findFunctionInABI(contract, funcSig),
        first,
        fn => fn.inputs,
        map(input => params[input.name])
    );

module.exports = {
    findFunctionInABI,
    fnSpliter,
    inputGenerator
}