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302 lines
7.8 KiB
302 lines
7.8 KiB
package natspec
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import (
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"fmt"
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"io/ioutil"
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"math/big"
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"os"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/accounts"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/docserver"
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"github.com/ethereum/go-ethereum/common/natspec"
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"github.com/ethereum/go-ethereum/common/resolver"
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"github.com/ethereum/go-ethereum/core"
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//"github.com/ethereum/go-ethereum/core/state"
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//"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/rpc"
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xe "github.com/ethereum/go-ethereum/xeth"
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)
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type testFrontend struct {
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t *testing.T
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ethereum *eth.Ethereum
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xeth *xe.XEth
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api *rpc.EthereumApi
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coinbase string
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txc int
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lastConfirm string
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makeNatSpec bool
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}
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const testNotice = "Register key `_key` <- content `_content`"
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const testExpNotice = "Register key 8.9477152217924674838424037953991966239322087453347756267410168184682657981552e+76 <- content 2.9345842665291639932787537650068479186757226656217642728276414736233000517704e+76"
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const testUserDoc = `
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{
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"source": "...",
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"language": "Solidity",
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"languageVersion": 1,
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"methods": {
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"register(uint256,uint256)": {
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"notice": "` + testNotice + `"
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}
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},
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"invariants": [
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{ "notice": "" }
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],
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"construction": [
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{ "notice": "" }
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]
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}
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`
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const testABI = `
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[{
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"name": "register",
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"constant": false,
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"type": "function",
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"inputs": [{
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"name": "_key",
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"type": "uint256"
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}, {
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"name": "_content",
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"type": "uint256"
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}],
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"outputs": []
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}]
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`
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const testDocs = `
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{
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"userdoc": ` + testUserDoc + `,
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"abi": ` + testABI + `
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}
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`
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func (f *testFrontend) UnlockAccount(acc []byte) bool {
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f.t.Logf("Unlocking account %v\n", common.Bytes2Hex(acc))
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f.ethereum.AccountManager().Unlock(acc, "password")
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return true
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}
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func (f *testFrontend) ConfirmTransaction(tx string) bool {
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//f.t.Logf("ConfirmTransaction called tx = %v", tx)
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if f.makeNatSpec {
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ds, err := docserver.New("/tmp/")
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if err != nil {
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f.t.Errorf("Error creating DocServer: %v", err)
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}
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nat, err2 := natspec.New(f.xeth, tx, ds)
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if err2 == nil {
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f.lastConfirm, err = nat.Notice()
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if err != nil {
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f.t.Errorf("Notice error: %v", err)
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}
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} else {
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f.t.Errorf("Error creating NatSpec: %v", err2)
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}
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}
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return true
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}
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var port = 30300
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func testEth(t *testing.T) (ethereum *eth.Ethereum, err error) {
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os.RemoveAll("/tmp/eth/")
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err = os.MkdirAll("/tmp/eth/keys/e273f01c99144c438695e10f24926dc1f9fbf62d/", os.ModePerm)
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if err != nil {
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t.Errorf("%v", err)
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return
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}
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err = os.MkdirAll("/tmp/eth/data", os.ModePerm)
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if err != nil {
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t.Errorf("%v", err)
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return
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}
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ks := crypto.NewKeyStorePlain("/tmp/eth/keys")
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ioutil.WriteFile("/tmp/eth/keys/e273f01c99144c438695e10f24926dc1f9fbf62d/e273f01c99144c438695e10f24926dc1f9fbf62d",
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[]byte(`{"Id":"RhRXD+fNRKS4jx+7ZfEsNA==","Address":"4nPwHJkUTEOGleEPJJJtwfn79i0=","PrivateKey":"h4ACVpe74uIvi5Cg/2tX/Yrm2xdr3J7QoMbMtNX2CNc="}`), os.ModePerm)
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port++
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ethereum, err = eth.New(ð.Config{
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DataDir: "/tmp/eth",
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AccountManager: accounts.NewManager(ks),
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Port: fmt.Sprintf("%d", port),
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MaxPeers: 10,
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Name: "test",
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})
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if err != nil {
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t.Errorf("%v", err)
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return
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}
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return
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}
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func testInit(t *testing.T) (self *testFrontend) {
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ethereum, err := testEth(t)
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if err != nil {
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t.Errorf("error creating jsre, got %v", err)
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return
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}
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err = ethereum.Start()
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if err != nil {
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t.Errorf("error starting ethereum: %v", err)
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return
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}
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self = &testFrontend{t: t, ethereum: ethereum}
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self.xeth = xe.New(ethereum, self)
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self.api = rpc.NewEthereumApi(self.xeth)
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addr := self.xeth.Coinbase()
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self.coinbase = addr
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if addr != "0x"+core.TestAccount {
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t.Errorf("CoinBase %v does not match TestAccount 0x%v", addr, core.TestAccount)
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}
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t.Logf("CoinBase is %v", addr)
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balance := self.xeth.BalanceAt(core.TestAccount)
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if balance != core.TestBalance {
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t.Errorf("Balance %v does not match TestBalance %v", balance, core.TestBalance)
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}
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t.Logf("Balance is %v", balance)
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return
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}
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func (self *testFrontend) insertTx(addr, contract, fnsig string, args []string) {
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hash := common.Bytes2Hex(crypto.Sha3([]byte(fnsig)))
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data := "0x" + hash[0:8]
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for _, arg := range args {
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data = data + common.Bytes2Hex(common.Hex2BytesFixed(arg, 32))
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}
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self.t.Logf("Tx data: %v", data)
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jsontx := `
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[{
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"from": "` + addr + `",
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"to": "0x` + contract + `",
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"value": "100000000000",
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"gas": "100000",
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"gasPrice": "100000",
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"data": "` + data + `"
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}]
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`
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self.txc++
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req := &rpc.RpcRequest{
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Jsonrpc: "2.0",
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Method: "eth_transact",
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Params: []byte(jsontx),
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Id: self.txc,
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}
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txcount := self.ethereum.TxPool().Size()
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var reply interface{}
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err0 := self.api.GetRequestReply(req, &reply)
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if err0 != nil {
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self.t.Errorf("GetRequestReply error: %v", err0)
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}
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for txcount == self.ethereum.TxPool().Size() {
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time.Sleep(time.Millisecond)
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}
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//self.xeth.Transact(addr, contract, "100000000000", "100000", "100000", data)
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}
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func (self *testFrontend) applyTxs() {
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cb := common.HexToAddress(self.coinbase)
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stateDb := self.ethereum.ChainManager().State().Copy()
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block := self.ethereum.ChainManager().NewBlock(cb)
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coinbase := stateDb.GetStateObject(cb)
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coinbase.SetGasPool(big.NewInt(1000000))
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txs := self.ethereum.TxPool().GetTransactions()
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for _, tx := range txs {
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_, gas, err := core.ApplyMessage(core.NewEnv(stateDb, self.ethereum.ChainManager(), tx, block), tx, coinbase)
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//self.ethereum.TxPool().RemoveSet([]*types.Transaction{tx})
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time.Sleep(time.Millisecond * 100)
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self.t.Logf("ApplyMessage: gas %v err %v", gas, err)
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}
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self.ethereum.TxPool().RemoveSet(txs)
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self.xeth = self.xeth.WithState(stateDb)
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}
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func (self *testFrontend) registerURL(hash common.Hash, url string) {
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hashHex := common.Bytes2Hex(hash[:])
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urlHex := common.Bytes2Hex([]byte(url))
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self.insertTx(self.coinbase, core.ContractAddrURLhint, "register(uint256,uint256)", []string{hashHex, urlHex})
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}
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func (self *testFrontend) setOwner() {
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self.insertTx(self.coinbase, core.ContractAddrHashReg, "setowner()", []string{})
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/*owner := self.xeth.StorageAt("0x"+core.ContractAddrHashReg, "0x0000000000000000000000000000000000000000000000000000000000000000")
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self.t.Logf("owner = %v", owner)
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if owner != self.coinbase {
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self.t.Errorf("setowner() unsuccessful, owner != coinbase")
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}*/
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}
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func (self *testFrontend) registerNatSpec(codehash, dochash common.Hash) {
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codeHex := common.Bytes2Hex(codehash[:])
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docHex := common.Bytes2Hex(dochash[:])
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self.insertTx(self.coinbase, core.ContractAddrHashReg, "register(uint256,uint256)", []string{codeHex, docHex})
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}
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func (self *testFrontend) testResolver() *resolver.Resolver {
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return resolver.New(self.xeth, resolver.URLHintContractAddress, resolver.HashRegContractAddress)
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}
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func TestNatspecE2E(t *testing.T) {
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tf := testInit(t)
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defer tf.ethereum.Stop()
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ioutil.WriteFile("/tmp/test.content", []byte(testDocs), os.ModePerm)
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dochash := common.BytesToHash(crypto.Sha3([]byte(testDocs)))
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codehex := tf.xeth.CodeAt(core.ContractAddrHashReg)
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codehash := common.BytesToHash(crypto.Sha3(common.Hex2Bytes(codehex)))
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tf.setOwner()
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tf.registerNatSpec(codehash, dochash)
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tf.registerURL(dochash, "file:///test.content")
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tf.applyTxs()
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chash, err := tf.testResolver().KeyToContentHash(codehash)
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if err != nil {
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t.Errorf("Can't find content hash")
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}
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t.Logf("chash = %x err = %v", chash, err)
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url, err2 := tf.testResolver().ContentHashToUrl(dochash)
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if err2 != nil {
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t.Errorf("Can't find URL hint")
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}
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t.Logf("url = %v err = %v", url, err2)
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tf.makeNatSpec = true
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tf.registerNatSpec(codehash, dochash) // call again just to get a confirm message
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t.Logf("Confirm message: %v\n", tf.lastConfirm)
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if tf.lastConfirm != testExpNotice {
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t.Errorf("Wrong confirm message, expected '%v', got '%v'", testExpNotice, tf.lastConfirm)
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}
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}
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