util.ts

import { formatUnits } from "@ethersproject/units";

export function shortenHex(hex, length = 4) {
  return `${hex.substring(0, length + 2)}…${hex.substring(
    hex.length - length
  )}`;
}

const ETHERSCAN_PREFIXES = {
  1: "",
  3: "ropsten.",
  4: "rinkeby.",
  5: "goerli.",
  42: "kovan.",
};

export const CHAIN_ID_NAMES = {
  1: "Ethereum",
  3: "Ropsten",
  4: "Rinkeby",
  5: "Goerli",
  42: "Kovan",
}

/**
 *
 * @param {("Account"|"Transaction")} type
 * @param {[number, string]} data
 */
export function formatEtherscanLink(type, data) {
  switch (type) {
    case "Account": {
      const [chainId, address] = data;
      return `https://${ETHERSCAN_PREFIXES[chainId]}etherscan.io/address/${address}`;
    }
    case "Transaction": {
      const [chainId, hash] = data;
      return `https://${ETHERSCAN_PREFIXES[chainId]}etherscan.io/tx/${hash}`;
    }
  }
}

/**
 * @name parseBalance
 *
 * @param {import("@ethersproject/bignumber").BigNumberish} balance
 * @param {number} decimals
 * @param {number} decimalsToDisplay
 *
 * @returns {string}
 */
export const parseBalance = (balance, decimals = 18, decimalsToDisplay = 3) =>
  Number(formatUnits(balance, decimals)).toFixed(decimalsToDisplay);

export const whbarABI = [
	{
		"constant": false,
		"inputs": [
			{
				"name": "myid",
				"type": "bytes32"
			},
			{
				"name": "result",
				"type": "string"
			}
		],
		"name": "__callback",
		"outputs": [],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "_myid",
				"type": "bytes32"
			},
			{
				"name": "_result",
				"type": "string"
			},
			{
				"name": "_proof",
				"type": "bytes"
			}
		],
		"name": "__callback",
		"outputs": [],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "spender",
				"type": "address"
			},
			{
				"name": "amount",
				"type": "uint256"
			}
		],
		"name": "approve",
		"outputs": [
			{
				"name": "",
				"type": "bool"
			}
		],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "spender",
				"type": "address"
			},
			{
				"name": "subtractedValue",
				"type": "uint256"
			}
		],
		"name": "decreaseAllowance",
		"outputs": [
			{
				"name": "",
				"type": "bool"
			}
		],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "spender",
				"type": "address"
			},
			{
				"name": "addedValue",
				"type": "uint256"
			}
		],
		"name": "increaseAllowance",
		"outputs": [
			{
				"name": "",
				"type": "bool"
			}
		],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [],
		"name": "renounceOwnership",
		"outputs": [],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "str",
				"type": "string"
			}
		],
		"name": "setAccount",
		"outputs": [],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "str",
				"type": "string"
			}
		],
		"name": "setDeposit",
		"outputs": [],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "str",
				"type": "string"
			}
		],
		"name": "setPriv",
		"outputs": [],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "str",
				"type": "string"
			}
		],
		"name": "setWithdraw",
		"outputs": [],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "recipient",
				"type": "address"
			},
			{
				"name": "amount",
				"type": "uint256"
			}
		],
		"name": "transfer",
		"outputs": [
			{
				"name": "",
				"type": "bool"
			}
		],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "sender",
				"type": "address"
			},
			{
				"name": "recipient",
				"type": "address"
			},
			{
				"name": "amount",
				"type": "uint256"
			}
		],
		"name": "transferFrom",
		"outputs": [
			{
				"name": "",
				"type": "bool"
			}
		],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "newOwner",
				"type": "address"
			}
		],
		"name": "transferOwnership",
		"outputs": [],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "txHash",
				"type": "string"
			},
			{
				"name": "beneficiary",
				"type": "string"
			},
			{
				"name": "amount",
				"type": "string"
			}
		],
		"name": "verifyDeposit",
		"outputs": [],
		"payable": true,
		"stateMutability": "payable",
		"type": "function"
	},
	{
		"constant": false,
		"inputs": [
			{
				"name": "amount",
				"type": "string"
			},
			{
				"name": "toAccount",
				"type": "string"
			}
		],
		"name": "withdraw",
		"outputs": [],
		"payable": true,
		"stateMutability": "payable",
		"type": "function"
	},
	{
		"inputs": [],
		"payable": true,
		"stateMutability": "payable",
		"type": "constructor"
	},
	{
		"anonymous": false,
		"inputs": [
			{
				"indexed": false,
				"name": "str",
				"type": "string"
			}
		],
		"name": "LogEvent",
		"type": "event"
	},
	{
		"anonymous": false,
		"inputs": [
			{
				"indexed": true,
				"name": "previousOwner",
				"type": "address"
			},
			{
				"indexed": true,
				"name": "newOwner",
				"type": "address"
			}
		],
		"name": "OwnershipTransferred",
		"type": "event"
	},
	{
		"anonymous": false,
		"inputs": [
			{
				"indexed": true,
				"name": "from",
				"type": "address"
			},
			{
				"indexed": true,
				"name": "to",
				"type": "address"
			},
			{
				"indexed": false,
				"name": "value",
				"type": "uint256"
			}
		],
		"name": "Transfer",
		"type": "event"
	},
	{
		"anonymous": false,
		"inputs": [
			{
				"indexed": true,
				"name": "owner",
				"type": "address"
			},
			{
				"indexed": true,
				"name": "spender",
				"type": "address"
			},
			{
				"indexed": false,
				"name": "value",
				"type": "uint256"
			}
		],
		"name": "Approval",
		"type": "event"
	},
	{
		"constant": true,
		"inputs": [],
		"name": "_fromAccount",
		"outputs": [
			{
				"name": "",
				"type": "string"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [],
		"name": "_ipfsDeposit",
		"outputs": [
			{
				"name": "",
				"type": "string"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [],
		"name": "_ipfsWithdraw",
		"outputs": [
			{
				"name": "",
				"type": "string"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [],
		"name": "_privKey",
		"outputs": [
			{
				"name": "",
				"type": "string"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [
			{
				"name": "owner",
				"type": "address"
			},
			{
				"name": "spender",
				"type": "address"
			}
		],
		"name": "allowance",
		"outputs": [
			{
				"name": "",
				"type": "uint256"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [
			{
				"name": "account",
				"type": "address"
			}
		],
		"name": "balanceOf",
		"outputs": [
			{
				"name": "",
				"type": "uint256"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [],
		"name": "checkCost",
		"outputs": [
			{
				"name": "",
				"type": "uint256"

			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [
			{
				"name": "txH",
				"type": "string"
			}
		],
		"name": "checkTxHash",
		"outputs": [
			{
				"name": "",
				"type": "bool"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [],
		"name": "decimals",
		"outputs": [
			{
				"name": "",
				"type": "uint8"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [],
		"name": "isOwner",
		"outputs": [
			{
				"name": "",
				"type": "bool"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [],
		"name": "name",
		"outputs": [
			{
				"name": "",
				"type": "string"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [],
		"name": "owner",
		"outputs": [
			{
				"name": "",
				"type": "address"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [],
		"name": "symbol",
		"outputs": [
			{
				"name": "",
				"type": "string"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [],
		"name": "totalSupply",
		"outputs": [
			{
				"name": "",
				"type": "uint256"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	}
];