path: root/contracts/ens/ens_test.go

// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package ens

import (
    "math/big"
    "testing"

    "github.com/ethereum/go-ethereum/accounts/abi/bind"
    "github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
    "github.com/ethereum/go-ethereum/core"
    "github.com/ethereum/go-ethereum/crypto"
)

var (
    key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
    name   = "my name on ENS"
    hash   = crypto.Sha3Hash([]byte("my content"))
    addr   = crypto.PubkeyToAddress(key.PublicKey)
)

func TestENS(t *testing.T) {
    contractBackend := backends.NewSimulatedBackend(core.GenesisAccount{Address: addr, Balance: big.NewInt(1000000000)})
    transactOpts := bind.NewKeyedTransactor(key)
    // Workaround for bug estimating gas in the call to Register
    transactOpts.GasLimit = big.NewInt(1000000)

    ens, err := DeployENS(transactOpts, contractBackend)
    if err != nil {
        t.Fatalf("expected no error, got %v", err)
    }
    contractBackend.Commit()

    _, err = ens.Register(name)
    if err != nil {
        t.Fatalf("expected no error, got %v", err)
    }
    contractBackend.Commit()

    _, err = ens.SetContentHash(name, hash)
    if err != nil {
        t.Fatalf("expected no error, got %v", err)
    }
    contractBackend.Commit()

    vhost, err := ens.Resolve(name)
    if err != nil {
        t.Fatalf("expected no error, got %v", err)
    }
    if vhost != hash {
        t.Fatalf("resolve error, expected %v, got %v", hash.Hex(), vhost.Hex())
    }
}