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Merge pull request #833 from ethersphere/frontier/solidity

Browse Source 
solidity compiler and contract metadocs integration
This commit is contained in:
Jeffrey Wilcke 2015-05-08 03:43:31 -07:00
commit 45c070fc8b
21 changed files with 1463 additions and 517 deletions
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346
cmd/geth/admin.go
View File

@ -1,16 +1,22 @@
package main
import (
"encoding/json"
"errors"
"fmt"
"math/big"
"strconv"
"time"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/common/natspec"
"github.com/ethereum/go-ethereum/common/resolver"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
@ -43,6 +49,19 @@ func (js *jsre) adminBindings() {
admin.Set("export", js.exportChain)
admin.Set("verbosity", js.verbosity)
admin.Set("progress", js.downloadProgress)
admin.Set("setSolc", js.setSolc)
admin.Set("contractInfo", struct{}{})
t, _ = admin.Get("contractInfo")
cinfo := t.Object()
// newRegistry officially not documented temporary option
cinfo.Set("start", js.startNatSpec)
cinfo.Set("stop", js.stopNatSpec)
cinfo.Set("newRegistry", js.newRegistry)
cinfo.Set("get", js.getContractInfo)
cinfo.Set("register", js.register)
cinfo.Set("registerUrl", js.registerUrl)
// cinfo.Set("verify", js.verify)
admin.Set("miner", struct{}{})
t, _ = admin.Get("miner")
@ -55,14 +74,21 @@ func (js *jsre) adminBindings() {
admin.Set("debug", struct{}{})
t, _ = admin.Get("debug")
debug := t.Object()
js.re.Set("sleep", js.sleep)
debug.Set("backtrace", js.backtrace)
debug.Set("printBlock", js.printBlock)
debug.Set("dumpBlock", js.dumpBlock)
debug.Set("getBlockRlp", js.getBlockRlp)
debug.Set("setHead", js.setHead)
debug.Set("processBlock", js.debugBlock)
// undocumented temporary
debug.Set("waitForBlocks", js.waitForBlocks)
}
// generic helper to getBlock by Number/Height or Hex depending on autodetected input
// if argument is missing the current block is returned
// if block is not found or there is problem with decoding
// the appropriate value is returned and block is guaranteed to be nil
func (js *jsre) getBlock(call otto.FunctionCall) (*types.Block, error) {
var block *types.Block
if len(call.ArgumentList) > 0 {
@ -75,10 +101,14 @@ func (js *jsre) getBlock(call otto.FunctionCall) (*types.Block, error) {
} else {
return nil, errors.New("invalid argument for dump. Either hex string or number")
}
return block, nil
} else {
block = js.ethereum.ChainManager().CurrentBlock()
}
return nil, errors.New("requires block number or block hash as argument")
if block == nil {
return nil, errors.New("block not found")
}
return block, nil
}
func (js *jsre) pendingTransactions(call otto.FunctionCall) otto.Value {
@ -152,11 +182,6 @@ func (js *jsre) debugBlock(call otto.FunctionCall) otto.Value {
return otto.UndefinedValue()
}
if block == nil {
fmt.Println("block not found")
return otto.UndefinedValue()
}
old := vm.Debug
vm.Debug = true
_, err = js.ethereum.BlockProcessor().RetryProcess(block)
@ -175,11 +200,6 @@ func (js *jsre) setHead(call otto.FunctionCall) otto.Value {
return otto.UndefinedValue()
}
if block == nil {
fmt.Println("block not found")
return otto.UndefinedValue()
}
js.ethereum.ChainManager().SetHead(block)
return otto.UndefinedValue()
}
@ -196,12 +216,6 @@ func (js *jsre) getBlockRlp(call otto.FunctionCall) otto.Value {
fmt.Println(err)
return otto.UndefinedValue()
}
if block == nil {
fmt.Println("block not found")
return otto.UndefinedValue()
}
encoded, _ := rlp.EncodeToBytes(block)
return js.re.ToVal(fmt.Sprintf("%x", encoded))
}
@ -255,11 +269,13 @@ func (js *jsre) startMining(call otto.FunctionCall) otto.Value {
return otto.FalseValue()
}
// threads now ignored
err = js.ethereum.StartMining()
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
return otto.TrueValue()
}
@ -298,9 +314,8 @@ func (js *jsre) startRPC(call otto.FunctionCall) otto.Value {
xeth := xeth.New(js.ethereum, nil)
err = rpc.Start(xeth, config)
if err != nil {
fmt.Printf(err.Error())
fmt.Println(err)
return otto.FalseValue()
}
@ -345,7 +360,8 @@ func (js *jsre) unlock(call otto.FunctionCall) otto.Value {
fmt.Println("Please enter a passphrase now.")
passphrase, err = readPassword("Passphrase: ", true)
if err != nil {
utils.Fatalf("%v", err)
fmt.Println(err)
return otto.FalseValue()
}
} else {
passphrase, err = arg.ToString()
@ -371,14 +387,17 @@ func (js *jsre) newAccount(call otto.FunctionCall) otto.Value {
fmt.Println("Please enter a passphrase now.")
auth, err := readPassword("Passphrase: ", true)
if err != nil {
utils.Fatalf("%v", err)
fmt.Println(err)
return otto.FalseValue()
}
confirm, err := readPassword("Repeat Passphrase: ", false)
if err != nil {
utils.Fatalf("%v", err)
fmt.Println(err)
return otto.FalseValue()
}
if auth != confirm {
utils.Fatalf("Passphrases did not match.")
fmt.Println("Passphrases did not match.")
return otto.FalseValue()
}
passphrase = auth
} else {
@ -394,7 +413,7 @@ func (js *jsre) newAccount(call otto.FunctionCall) otto.Value {
fmt.Printf("Could not create the account: %v", err)
return otto.UndefinedValue()
}
return js.re.ToVal("0x" + common.Bytes2Hex(acct.Address))
return js.re.ToVal(common.ToHex(acct.Address))
}
func (js *jsre) nodeInfo(call otto.FunctionCall) otto.Value {
@ -407,7 +426,7 @@ func (js *jsre) peers(call otto.FunctionCall) otto.Value {
func (js *jsre) importChain(call otto.FunctionCall) otto.Value {
if len(call.ArgumentList) == 0 {
fmt.Println("err: require file name")
fmt.Println("require file name. admin.importChain(filename)")
return otto.FalseValue()
}
fn, err := call.Argument(0).ToString()
@ -424,7 +443,7 @@ func (js *jsre) importChain(call otto.FunctionCall) otto.Value {
func (js *jsre) exportChain(call otto.FunctionCall) otto.Value {
if len(call.ArgumentList) == 0 {
fmt.Println("err: require file name")
fmt.Println("require file name: admin.exportChain(filename)")
return otto.FalseValue()
}
@ -441,23 +460,9 @@ func (js *jsre) exportChain(call otto.FunctionCall) otto.Value {
}
func (js *jsre) printBlock(call otto.FunctionCall) otto.Value {
var block *types.Block
if len(call.ArgumentList) > 0 {
if call.Argument(0).IsNumber() {
num, _ := call.Argument(0).ToInteger()
block = js.ethereum.ChainManager().GetBlockByNumber(uint64(num))
} else if call.Argument(0).IsString() {
hash, _ := call.Argument(0).ToString()
block = js.ethereum.ChainManager().GetBlock(common.HexToHash(hash))
} else {
fmt.Println("invalid argument for dump. Either hex string or number")
}
} else {
block = js.ethereum.ChainManager().CurrentBlock()
}
if block == nil {
fmt.Println("block not found")
block, err := js.getBlock(call)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
@ -467,30 +472,249 @@ func (js *jsre) printBlock(call otto.FunctionCall) otto.Value {
}
func (js *jsre) dumpBlock(call otto.FunctionCall) otto.Value {
var block *types.Block
if len(call.ArgumentList) > 0 {
if call.Argument(0).IsNumber() {
num, _ := call.Argument(0).ToInteger()
block = js.ethereum.ChainManager().GetBlockByNumber(uint64(num))
} else if call.Argument(0).IsString() {
hash, _ := call.Argument(0).ToString()
block = js.ethereum.ChainManager().GetBlock(common.HexToHash(hash))
} else {
fmt.Println("invalid argument for dump. Either hex string or number")
}
} else {
block = js.ethereum.ChainManager().CurrentBlock()
}
if block == nil {
fmt.Println("block not found")
block, err := js.getBlock(call)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
statedb := state.New(block.Root(), js.ethereum.StateDb())
dump := statedb.RawDump()
return js.re.ToVal(dump)
}
func (js *jsre) waitForBlocks(call otto.FunctionCall) otto.Value {
if len(call.ArgumentList) > 2 {
fmt.Println("requires 0, 1 or 2 arguments: admin.debug.waitForBlock(minHeight, timeout)")
return otto.FalseValue()
}
var n, timeout int64
var timer <-chan time.Time
var height *big.Int
var err error
args := len(call.ArgumentList)
if args == 2 {
timeout, err = call.Argument(1).ToInteger()
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
timer = time.NewTimer(time.Duration(timeout) * time.Second).C
}
if args >= 1 {
n, err = call.Argument(0).ToInteger()
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
height = big.NewInt(n)
}
if args == 0 {
height = js.xeth.CurrentBlock().Number()
height.Add(height, common.Big1)
}
wait := js.wait
js.wait <- height
select {
case <-timer:
// if times out make sure the xeth loop does not block
go func() {
select {
case wait <- nil:
case <-wait:
}
}()
return otto.UndefinedValue()
case height = <-wait:
}
return js.re.ToVal(height.Uint64())
}
func (js *jsre) sleep(call otto.FunctionCall) otto.Value {
sec, err := call.Argument(0).ToInteger()
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
time.Sleep(time.Duration(sec) * time.Second)
return otto.UndefinedValue()
}
func (js *jsre) setSolc(call otto.FunctionCall) otto.Value {
if len(call.ArgumentList) != 1 {
fmt.Println("needs 1 argument: admin.contractInfo.setSolc(solcPath)")
return otto.FalseValue()
}
solcPath, err := call.Argument(0).ToString()
if err != nil {
return otto.FalseValue()
}
solc, err := js.xeth.SetSolc(solcPath)
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
fmt.Println(solc.Info())
return otto.TrueValue()
}
func (js *jsre) register(call otto.FunctionCall) otto.Value {
if len(call.ArgumentList) != 4 {
fmt.Println("requires 4 arguments: admin.contractInfo.register(fromaddress, contractaddress, contract, filename)")
return otto.UndefinedValue()
}
sender, err := call.Argument(0).ToString()
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
address, err := call.Argument(1).ToString()
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
raw, err := call.Argument(2).Export()
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
jsonraw, err := json.Marshal(raw)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
var contract compiler.Contract
err = json.Unmarshal(jsonraw, &contract)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
filename, err := call.Argument(3).ToString()
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
contenthash, err := compiler.ExtractInfo(&contract, filename)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
// sender and contract address are passed as hex strings
codeb := js.xeth.CodeAtBytes(address)
codehash := common.BytesToHash(crypto.Sha3(codeb))
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
registry := resolver.New(js.xeth)
_, err = registry.RegisterContentHash(common.HexToAddress(sender), codehash, contenthash)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
return js.re.ToVal(contenthash.Hex())
}
func (js *jsre) registerUrl(call otto.FunctionCall) otto.Value {
if len(call.ArgumentList) != 3 {
fmt.Println("requires 3 arguments: admin.contractInfo.register(fromaddress, contenthash, filename)")
return otto.FalseValue()
}
sender, err := call.Argument(0).ToString()
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
contenthash, err := call.Argument(1).ToString()
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
url, err := call.Argument(2).ToString()
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
registry := resolver.New(js.xeth)
_, err = registry.RegisterUrl(common.HexToAddress(sender), common.HexToHash(contenthash), url)
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
return otto.TrueValue()
}
func (js *jsre) getContractInfo(call otto.FunctionCall) otto.Value {
if len(call.ArgumentList) != 1 {
fmt.Println("requires 1 argument: admin.contractInfo.register(contractaddress)")
return otto.FalseValue()
}
addr, err := call.Argument(0).ToString()
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
infoDoc, err := natspec.FetchDocsForContract(addr, js.xeth, ds)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
var info compiler.ContractInfo
err = json.Unmarshal(infoDoc, &info)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
return js.re.ToVal(info)
}
func (js *jsre) startNatSpec(call otto.FunctionCall) otto.Value {
js.ethereum.NatSpec = true
return otto.TrueValue()
}
func (js *jsre) stopNatSpec(call otto.FunctionCall) otto.Value {
js.ethereum.NatSpec = false
return otto.TrueValue()
}
func (js *jsre) newRegistry(call otto.FunctionCall) otto.Value {
if len(call.ArgumentList) != 1 {
fmt.Println("requires 1 argument: admin.contractInfo.newRegistry(adminaddress)")
return otto.FalseValue()
}
addr, err := call.Argument(0).ToString()
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
registry := resolver.New(js.xeth)
err = registry.CreateContracts(common.HexToAddress(addr))
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
return otto.TrueValue()
}
// internal transaction type which will allow us to resend transactions using `eth.resend`

1
cmd/geth/info_test.json Normal file
View File

@ -0,0 +1 @@
{"code":"605280600c6000396000f3006000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa114602e57005b60376004356041565b8060005260206000f35b6000600782029050604d565b91905056","info":{"abiDefinition":[{"constant":false,"inputs":[{"name":"a","type":"uint256"}],"name":"multiply","outputs":[{"name":"d","type":"uint256"}],"type":"function"}],"compilerVersion":"0.9.13","developerDoc":{"methods":{}},"language":"Solidity","languageVersion":"0","source":"contract test {\n /// @notice Will multiply `a` by 7.\n function multiply(uint a) returns(uint d) {\n return a * 7;\n }\n}\n","userDoc":{"methods":{"multiply(uint256)":{"notice":"Will multiply `a` by 7."}}}}}

29
cmd/geth/js.go
View File

@ -20,6 +20,7 @@ package main
import (
"bufio"
"fmt"
"math/big"
"os"
"path"
"strings"
@ -62,19 +63,26 @@ type jsre struct {
re *re.JSRE
ethereum *eth.Ethereum
xeth *xeth.XEth
wait chan *big.Int
ps1 string
atexit func()
corsDomain string
prompter
}
func newJSRE(ethereum *eth.Ethereum, libPath string, interactive bool, corsDomain string) *jsre {
func newJSRE(ethereum *eth.Ethereum, libPath, solcPath, corsDomain string, interactive bool, f xeth.Frontend) *jsre {
js := &jsre{ethereum: ethereum, ps1: "> "}
// set default cors domain used by startRpc from CLI flag
js.corsDomain = corsDomain
js.xeth = xeth.New(ethereum, js)
if f == nil {
f = js
}
js.xeth = xeth.New(ethereum, f)
js.wait = js.xeth.UpdateState()
// update state in separare forever blocks
js.xeth.SetSolc(solcPath)
js.re = re.New(libPath)
js.apiBindings()
js.apiBindings(f)
js.adminBindings()
if !liner.TerminalSupported() || !interactive {
@ -87,18 +95,17 @@ func newJSRE(ethereum *eth.Ethereum, libPath string, interactive bool, corsDomai
js.atexit = func() {
js.withHistory(func(hist *os.File) { hist.Truncate(0); lr.WriteHistory(hist) })
lr.Close()
close(js.wait)
}
}
return js
}
func (js *jsre) apiBindings() {
ethApi := rpc.NewEthereumApi(js.xeth)
//js.re.Bind("jeth", rpc.NewJeth(ethApi, js.re.ToVal))
func (js *jsre) apiBindings(f xeth.Frontend) {
xe := xeth.New(js.ethereum, f)
ethApi := rpc.NewEthereumApi(xe)
jeth := rpc.NewJeth(ethApi, js.re.ToVal, js.re)
//js.re.Bind("jeth", jeth)
js.re.Set("jeth", struct{}{})
t, _ := js.re.Get("jeth")
jethObj := t.Object()
@ -143,13 +150,13 @@ var net = web3.net;
js.re.Eval(globalRegistrar + "registrar = new GlobalRegistrar(\"" + globalRegistrarAddr + "\");")
}
var ds, _ = docserver.New(utils.JSpathFlag.String())
var ds, _ = docserver.New("/")
func (self *jsre) ConfirmTransaction(tx string) bool {
if self.ethereum.NatSpec {
notice := natspec.GetNotice(self.xeth, tx, ds)
fmt.Println(notice)
answer, _ := self.Prompt("Confirm Transaction\n[y/n] ")
answer, _ := self.Prompt("Confirm Transaction [y/n]")
return strings.HasPrefix(strings.Trim(answer, " "), "y")
} else {
return true

245
cmd/geth/js_test.go
View File

@ -6,60 +6,132 @@ import (
"os"
"path"
"path/filepath"
"testing"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"regexp"
"runtime"
"strconv"
"testing"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/common/docserver"
"github.com/ethereum/go-ethereum/common/natspec"
"github.com/ethereum/go-ethereum/common/resolver"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
)
var port = 30300
const (
testSolcPath = ""
func testJEthRE(t *testing.T) (*jsre, *eth.Ethereum) {
testKey = "e6fab74a43941f82d89cb7faa408e227cdad3153c4720e540e855c19b15e6674"
testAddress = "0x8605cdbbdb6d264aa742e77020dcbc58fcdce182"
testBalance = "10000000000000000000"
)
var (
testGenesis = `{"` + testAddress[2:] + `": {"balance": "` + testBalance + `"}}`
)
type testjethre struct {
*jsre
stateDb *state.StateDB
lastConfirm string
ds *docserver.DocServer
}
func (self *testjethre) UnlockAccount(acc []byte) bool {
err := self.ethereum.AccountManager().Unlock(acc, "")
if err != nil {
panic("unable to unlock")
}
return true
}
func (self *testjethre) ConfirmTransaction(tx string) bool {
if self.ethereum.NatSpec {
self.lastConfirm = natspec.GetNotice(self.xeth, tx, self.ds)
}
return true
}
func testJEthRE(t *testing.T) (string, *testjethre, *eth.Ethereum) {
tmp, err := ioutil.TempDir("", "geth-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
ks := crypto.NewKeyStorePlain(filepath.Join(tmp, "keys"))
// set up mock genesis with balance on the testAddress
core.GenesisData = []byte(testGenesis)
ks := crypto.NewKeyStorePassphrase(filepath.Join(tmp, "keys"))
am := accounts.NewManager(ks)
ethereum, err := eth.New(&eth.Config{
DataDir: tmp,
AccountManager: accounts.NewManager(ks),
AccountManager: am,
MaxPeers: 0,
Name: "test",
})
if err != nil {
t.Fatal("%v", err)
}
keyb, err := crypto.HexToECDSA(testKey)
if err != nil {
t.Fatal(err)
}
key := crypto.NewKeyFromECDSA(keyb)
err = ks.StoreKey(key, "")
if err != nil {
t.Fatal(err)
}
err = am.Unlock(key.Address, "")
if err != nil {
t.Fatal(err)
}
assetPath := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist", "assets", "ext")
repl := newJSRE(ethereum, assetPath, false, "")
return repl, ethereum
ds, err := docserver.New("/")
if err != nil {
t.Errorf("Error creating DocServer: %v", err)
}
tf := &testjethre{ds: ds, stateDb: ethereum.ChainManager().State().Copy()}
repl := newJSRE(ethereum, assetPath, testSolcPath, "", false, tf)
tf.jsre = repl
return tmp, tf, ethereum
}
// this line below is needed for transaction to be applied to the state in testing
// the heavy lifing is done in XEth.ApplyTestTxs
// this is fragile, overwriting xeth will result in
// process leaking since xeth loops cannot quit safely
// should be replaced by proper mining with testDAG for easy full integration tests
// txc, self.xeth = self.xeth.ApplyTestTxs(self.xeth.repl.stateDb, coinbase, txc)
func TestNodeInfo(t *testing.T) {
repl, ethereum := testJEthRE(t)
tmp, repl, ethereum := testJEthRE(t)
if err := ethereum.Start(); err != nil {
t.Fatalf("error starting ethereum: %v", err)
}
defer ethereum.Stop()
defer os.RemoveAll(tmp)
want := `{"DiscPort":0,"IP":"0.0.0.0","ListenAddr":"","Name":"test","NodeID":"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","NodeUrl":"enode://00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000@0.0.0.0:0","TCPPort":0,"Td":"0"}`
checkEvalJSON(t, repl, `admin.nodeInfo()`, want)
}
func TestAccounts(t *testing.T) {
repl, ethereum := testJEthRE(t)
tmp, repl, ethereum := testJEthRE(t)
if err := ethereum.Start(); err != nil {
t.Fatalf("error starting ethereum: %v", err)
}
defer ethereum.Stop()
defer os.RemoveAll(tmp)
checkEvalJSON(t, repl, `eth.accounts`, `[]`)
checkEvalJSON(t, repl, `eth.coinbase`, `"0x"`)
checkEvalJSON(t, repl, `eth.accounts`, `["`+testAddress+`"]`)
checkEvalJSON(t, repl, `eth.coinbase`, `"`+testAddress+`"`)
val, err := repl.re.Run(`admin.newAccount("password")`)
if err != nil {
@ -70,17 +142,18 @@ func TestAccounts(t *testing.T) {
t.Errorf("address not hex: %q", addr)
}
checkEvalJSON(t, repl, `eth.accounts`, `["`+addr+`"]`)
checkEvalJSON(t, repl, `eth.coinbase`, `"`+addr+`"`)
// skip until order fixed #824
// checkEvalJSON(t, repl, `eth.accounts`, `["`+testAddress+`", "`+addr+`"]`)
// checkEvalJSON(t, repl, `eth.coinbase`, `"`+testAddress+`"`)
}
func TestBlockChain(t *testing.T) {
repl, ethereum := testJEthRE(t)
tmp, repl, ethereum := testJEthRE(t)
if err := ethereum.Start(); err != nil {
t.Fatalf("error starting ethereum: %v", err)
}
defer ethereum.Stop()
defer os.RemoveAll(tmp)
// get current block dump before export/import.
val, err := repl.re.Run("JSON.stringify(admin.debug.dumpBlock())")
if err != nil {
@ -89,12 +162,12 @@ func TestBlockChain(t *testing.T) {
beforeExport := val.String()
// do the export
tmp, err := ioutil.TempDir("", "geth-test-export")
extmp, err := ioutil.TempDir("", "geth-test-export")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
tmpfile := filepath.Join(tmp, "export.chain")
defer os.RemoveAll(extmp)
tmpfile := filepath.Join(extmp, "export.chain")
tmpfileq := strconv.Quote(tmpfile)
checkEvalJSON(t, repl, `admin.export(`+tmpfileq+`)`, `true`)
@ -108,27 +181,143 @@ func TestBlockChain(t *testing.T) {
}
func TestMining(t *testing.T) {
repl, ethereum := testJEthRE(t)
tmp, repl, ethereum := testJEthRE(t)
if err := ethereum.Start(); err != nil {
t.Fatalf("error starting ethereum: %v", err)
}
defer ethereum.Stop()
defer os.RemoveAll(tmp)
checkEvalJSON(t, repl, `eth.mining`, `false`)
}
func TestRPC(t *testing.T) {
repl, ethereum := testJEthRE(t)
tmp, repl, ethereum := testJEthRE(t)
if err := ethereum.Start(); err != nil {
t.Errorf("error starting ethereum: %v", err)
return
}
defer ethereum.Stop()
defer os.RemoveAll(tmp)
checkEvalJSON(t, repl, `admin.startRPC("127.0.0.1", 5004)`, `true`)
}
func checkEvalJSON(t *testing.T, re *jsre, expr, want string) error {
func TestCheckTestAccountBalance(t *testing.T) {
tmp, repl, ethereum := testJEthRE(t)
if err := ethereum.Start(); err != nil {
t.Errorf("error starting ethereum: %v", err)
return
}
defer ethereum.Stop()
defer os.RemoveAll(tmp)
repl.re.Run(`primary = "` + testAddress + `"`)
checkEvalJSON(t, repl, `eth.getBalance(primary)`, `"`+testBalance+`"`)
}
func TestContract(t *testing.T) {
tmp, repl, ethereum := testJEthRE(t)
if err := ethereum.Start(); err != nil {
t.Errorf("error starting ethereum: %v", err)
return
}
defer ethereum.Stop()
defer os.RemoveAll(tmp)
var txc uint64
coinbase := common.HexToAddress(testAddress)
resolver.New(repl.xeth).CreateContracts(coinbase)
source := `contract test {\n` +
" /// @notice Will multiply `a` by 7." + `\n` +
` function multiply(uint a) returns(uint d) {\n` +
` return a * 7;\n` +
` }\n` +
`}\n`
checkEvalJSON(t, repl, `admin.contractInfo.stop()`, `true`)
contractInfo, err := ioutil.ReadFile("info_test.json")
if err != nil {
t.Fatalf("%v", err)
}
checkEvalJSON(t, repl, `primary = eth.accounts[0]`, `"`+testAddress+`"`)
checkEvalJSON(t, repl, `source = "`+source+`"`, `"`+source+`"`)
_, err = compiler.New("")
if err != nil {
t.Logf("solc not found: skipping compiler test")
info, err := ioutil.ReadFile("info_test.json")
if err != nil {
t.Fatalf("%v", err)
}
_, err = repl.re.Run(`contract = JSON.parse(` + strconv.Quote(string(info)) + `)`)
if err != nil {
t.Errorf("%v", err)
}
} else {
checkEvalJSON(t, repl, `contract = eth.compile.solidity(source)`, string(contractInfo))
}
checkEvalJSON(t, repl, `contract.code`, `"605280600c6000396000f3006000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa114602e57005b60376004356041565b8060005260206000f35b6000600782029050604d565b91905056"`)
checkEvalJSON(
t, repl,
`contractaddress = eth.sendTransaction({from: primary, data: contract.code })`,
`"0x5dcaace5982778b409c524873b319667eba5d074"`,
)
callSetup := `abiDef = JSON.parse('[{"constant":false,"inputs":[{"name":"a","type":"uint256"}],"name":"multiply","outputs":[{"name":"d","type":"uint256"}],"type":"function"}]');
Multiply7 = eth.contract(abiDef);
multiply7 = new Multiply7(contractaddress);
`
_, err = repl.re.Run(callSetup)
if err != nil {
t.Errorf("unexpected error registering, got %v", err)
}
// updatespec
// why is this sometimes failing?
// checkEvalJSON(t, repl, `multiply7.multiply.call(6)`, `42`)
expNotice := ""
if repl.lastConfirm != expNotice {
t.Errorf("incorrect confirmation message: expected %v, got %v", expNotice, repl.lastConfirm)
}
// why 0?
checkEvalJSON(t, repl, `eth.getBlock("pending", true).transactions.length`, `0`)
txc, repl.xeth = repl.xeth.ApplyTestTxs(repl.stateDb, coinbase, txc)
checkEvalJSON(t, repl, `admin.contractInfo.start()`, `true`)
checkEvalJSON(t, repl, `multiply7.multiply.sendTransaction(6, { from: primary, gas: "1000000", gasPrice: "100000" })`, `undefined`)
expNotice = `About to submit transaction (no NatSpec info found for contract: content hash not found for '0x4a6c99e127191d2ee302e42182c338344b39a37a47cdbb17ab0f26b6802eb4d1'): {"params":[{"to":"0x5dcaace5982778b409c524873b319667eba5d074","data": "0xc6888fa10000000000000000000000000000000000000000000000000000000000000006"}]}`
if repl.lastConfirm != expNotice {
t.Errorf("incorrect confirmation message: expected %v, got %v", expNotice, repl.lastConfirm)
}
checkEvalJSON(t, repl, `filename = "/tmp/info.json"`, `"/tmp/info.json"`)
checkEvalJSON(t, repl, `contenthash = admin.contractInfo.register(primary, contractaddress, contract, filename)`, `"0x57e577316ccee6514797d9de9823af2004fdfe22bcfb6e39bbb8f92f57dcc421"`)
checkEvalJSON(t, repl, `admin.contractInfo.registerUrl(primary, contenthash, "file://"+filename)`, `true`)
if err != nil {
t.Errorf("unexpected error registering, got %v", err)
}
checkEvalJSON(t, repl, `admin.contractInfo.start()`, `true`)
// update state
txc, repl.xeth = repl.xeth.ApplyTestTxs(repl.stateDb, coinbase, txc)
checkEvalJSON(t, repl, `multiply7.multiply.sendTransaction(6, { from: primary, gas: "1000000", gasPrice: "100000" })`, `undefined`)
expNotice = "Will multiply 6 by 7."
if repl.lastConfirm != expNotice {
t.Errorf("incorrect confirmation message: expected %v, got %v", expNotice, repl.lastConfirm)
}
}
func checkEvalJSON(t *testing.T, re *testjethre, expr, want string) error {
val, err := re.re.Run("JSON.stringify(" + expr + ")")
if err == nil && val.String() != want {
err = fmt.Errorf("Output mismatch for `%s`:\ngot: %s\nwant: %s", expr, val.String(), want)

20
cmd/geth/main.go
View File

@ -265,6 +265,7 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
utils.LogJSONFlag,
utils.PProfEanbledFlag,
utils.PProfPortFlag,
utils.SolcPathFlag,
}
app.Before = func(ctx *cli.Context) error {
if ctx.GlobalBool(utils.PProfEanbledFlag.Name) {
@ -320,7 +321,14 @@ func console(ctx *cli.Context) {
}
startEth(ctx, ethereum)
repl := newJSRE(ethereum, ctx.String(utils.JSpathFlag.Name), true, ctx.GlobalString(utils.RPCCORSDomainFlag.Name))
repl := newJSRE(
ethereum,
ctx.String(utils.JSpathFlag.Name),
ctx.String(utils.SolcPathFlag.Name),
ctx.GlobalString(utils.RPCCORSDomainFlag.Name),
true,
nil,
)
repl.interactive()
ethereum.Stop()
@ -335,7 +343,14 @@ func execJSFiles(ctx *cli.Context) {
}
startEth(ctx, ethereum)
repl := newJSRE(ethereum, ctx.String(utils.JSpathFlag.Name), false, ctx.GlobalString(utils.RPCCORSDomainFlag.Name))
repl := newJSRE(
ethereum,
ctx.String(utils.JSpathFlag.Name),
ctx.String(utils.SolcPathFlag.Name),
ctx.GlobalString(utils.RPCCORSDomainFlag.Name),
false,
nil,
)
for _, file := range ctx.Args() {
repl.exec(file)
}
@ -362,6 +377,7 @@ func unlockAccount(ctx *cli.Context, am *accounts.Manager, account string) (pass
func startEth(ctx *cli.Context, eth *eth.Ethereum) {
// Start Ethereum itself
utils.StartEthereum(eth)
am := eth.AccountManager()

13
cmd/utils/cmd.go
View File

@ -95,19 +95,10 @@ func initDataDir(Datadir string) {
}
}
func exit(err error) {
status := 0
if err != nil {
fmt.Fprintln(os.Stderr, "Fatal:", err)
status = 1
}
logger.Flush()
os.Exit(status)
}
// Fatalf formats a message to standard output and exits the program.
func Fatalf(format string, args ...interface{}) {
fmt.Fprintf(os.Stderr, "Fatal: "+format+"\n", args...)
fmt.Fprintf(os.Stdout, "Fatal: "+format+"\n", args...)
logger.Flush()
os.Exit(1)
}
@ -115,7 +106,7 @@ func Fatalf(format string, args ...interface{}) {
func StartEthereum(ethereum *eth.Ethereum) {
glog.V(logger.Info).Infoln("Starting ", ethereum.Name())
if err := ethereum.Start(); err != nil {
exit(err)
Fatalf("Error starting Ethereum: %v", err)
}
RegisterInterrupt(func(sig os.Signal) {
ethereum.Stop()

7
cmd/utils/flags.go
View File

@ -224,11 +224,17 @@ var (
Name: "shh",
Usage: "Enable whisper",
}
// ATM the url is left to the user and deployment to
JSpathFlag = cli.StringFlag{
Name: "jspath",
Usage: "JS library path to be used with console and js subcommands",
Value: ".",
}
SolcPathFlag = cli.StringFlag{
Name: "solc",
Usage: "solidity compiler to be used",
Value: "solc",
}
)
func GetNAT(ctx *cli.Context) nat.Interface {
@ -294,6 +300,7 @@ func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
Dial: true,
BootNodes: ctx.GlobalString(BootnodesFlag.Name),
}
}
func GetChain(ctx *cli.Context) (*core.ChainManager, common.Database, common.Database) {

187
common/compiler/solidity.go Normal file
View File

@ -0,0 +1,187 @@
package compiler
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"os/exec"
"path"
"path/filepath"
"regexp"
"strings"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
)
const (
flair = "Christian <c@ethdev.com> and Lefteris <lefteris@ethdev.com> (c) 2014-2015"
languageVersion = "0"
)
var (
versionRegExp = regexp.MustCompile("[0-9]+.[0-9]+.[0-9]+")
params = []string{
"--binary", // Request to output the contract in binary (hexadecimal).
"file", //
"--json-abi", // Request to output the contract's JSON ABI interface.
"file", //
"--natspec-user", // Request to output the contract's Natspec user documentation.
"file", //
"--natspec-dev", // Request to output the contract's Natspec developer documentation.
"file",
}
)
type Contract struct {
Code string `json:"code"`
Info ContractInfo `json:"info"`
}
type ContractInfo struct {
Source string `json:"source"`
Language string `json:"language"`
LanguageVersion string `json:"languageVersion"`
CompilerVersion string `json:"compilerVersion"`
AbiDefinition interface{} `json:"abiDefinition"`
UserDoc interface{} `json:"userDoc"`
DeveloperDoc interface{} `json:"developerDoc"`
}
type Solidity struct {
solcPath string
version string
}
func New(solcPath string) (sol *Solidity, err error) {
// set default solc
if len(solcPath) == 0 {
solcPath = "solc"
}
solcPath, err = exec.LookPath(solcPath)
if err != nil {
return
}
cmd := exec.Command(solcPath, "--version")
var out bytes.Buffer
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
return
}
version := versionRegExp.FindString(out.String())
sol = &Solidity{
solcPath: solcPath,
version: version,
}
glog.V(logger.Info).Infoln(sol.Info())
return
}
func (sol *Solidity) Info() string {
return fmt.Sprintf("solc v%s\nSolidity Compiler: %s\n%s", sol.version, sol.solcPath, flair)
}
func (sol *Solidity) Compile(source string) (contract *Contract, err error) {
if len(source) == 0 {
err = fmt.Errorf("empty source")
return
}
wd, err := ioutil.TempDir("", "solc")
if err != nil {
return
}
defer os.RemoveAll(wd)
in := strings.NewReader(source)
var out bytes.Buffer
// cwd set to temp dir
cmd := exec.Command(sol.solcPath, params...)
cmd.Dir = wd
cmd.Stdin = in
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
err = fmt.Errorf("solc error: %v", err)
return
}
matches, _ := filepath.Glob(wd + "/*.binary")
if len(matches) < 1 {
err = fmt.Errorf("solc error: missing code output")
return
}
if len(matches) > 1 {
err = fmt.Errorf("multi-contract sources are not supported")
return
}
_, file := filepath.Split(matches[0])
base := strings.Split(file, ".")[0]
codeFile := path.Join(wd, base+".binary")
abiDefinitionFile := path.Join(wd, base+".abi")
userDocFile := path.Join(wd, base+".docuser")
developerDocFile := path.Join(wd, base+".docdev")
code, err := ioutil.ReadFile(codeFile)
if err != nil {
err = fmt.Errorf("error reading compiler output for code: %v", err)
return
}
abiDefinitionJson, err := ioutil.ReadFile(abiDefinitionFile)
if err != nil {
err = fmt.Errorf("error reading compiler output for abiDefinition: %v", err)
return
}
var abiDefinition interface{}
err = json.Unmarshal(abiDefinitionJson, &abiDefinition)
userDocJson, err := ioutil.ReadFile(userDocFile)
if err != nil {
err = fmt.Errorf("error reading compiler output for userDoc: %v", err)
return
}
var userDoc interface{}
err = json.Unmarshal(userDocJson, &userDoc)
developerDocJson, err := ioutil.ReadFile(developerDocFile)
if err != nil {
err = fmt.Errorf("error reading compiler output for developerDoc: %v", err)
return
}
var developerDoc interface{}
err = json.Unmarshal(developerDocJson, &developerDoc)
contract = &Contract{
Code: string(code),
Info: ContractInfo{
Source: source,
Language: "Solidity",
LanguageVersion: languageVersion,
CompilerVersion: sol.version,
AbiDefinition: abiDefinition,
UserDoc: userDoc,
DeveloperDoc: developerDoc,
},
}
return
}
func ExtractInfo(contract *Contract, filename string) (contenthash common.Hash, err error) {
contractInfo, err := json.Marshal(contract.Info)
if err != nil {
return
}
contenthash = common.BytesToHash(crypto.Sha3(contractInfo))
err = ioutil.WriteFile(filename, contractInfo, 0600)
return
}

89
common/compiler/solidity_test.go Normal file
View File

@ -0,0 +1,89 @@
package compiler
import (
"encoding/json"
"io/ioutil"
"os"
"testing"
"github.com/ethereum/go-ethereum/common"
)
var (
source = `
contract test {
/// @notice Will multiply ` + "`a`" + ` by 7.
function multiply(uint a) returns(uint d) {
return a * 7;
}
}
`
code = "605280600c6000396000f3006000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa114602e57005b60376004356041565b8060005260206000f35b6000600782029050604d565b91905056"
info = `{"source":"\ncontract test {\n /// @notice Will multiply ` + "`a`" + ` by 7.\n function multiply(uint a) returns(uint d) {\n return a * 7;\n }\n}\n","language":"Solidity","languageVersion":"0","compilerVersion":"0.9.13","abiDefinition":[{"constant":false,"inputs":[{"name":"a","type":"uint256"}],"name":"multiply","outputs":[{"name":"d","type":"uint256"}],"type":"function"}],"userDoc":{"methods":{"multiply(uint256)":{"notice":"Will multiply ` + "`a`" + ` by 7."}}},"developerDoc":{"methods":{}}}`
infohash = common.HexToHash("0xfdb031637e8a1c1891143f8d129ebc7f7c4e4b41ecad8c85abe1756190f74204")
)
func TestCompiler(t *testing.T) {
sol, err := New("")
if err != nil {
t.Skip("no solc installed")
}
contract, err := sol.Compile(source)
if err != nil {
t.Errorf("error compiling source. result %v: %v", contract, err)
return
}
if contract.Code != code {
t.Errorf("wrong code, expected\n%s, got\n%s", code, contract.Code)
}
}
func TestCompileError(t *testing.T) {
sol, err := New("")
if err != nil {
t.Skip("no solc installed")
}
contract, err := sol.Compile(source[2:])
if err == nil {
t.Errorf("error expected compiling source. got none. result %v", contract)
return
}
}
func TestNoCompiler(t *testing.T) {
_, err := New("/path/to/solc")
if err != nil {
t.Log("solidity quits with error: %v", err)
} else {
t.Errorf("no solc installed, but got no error")
}
}
func TestExtractInfo(t *testing.T) {
var cinfo ContractInfo
err := json.Unmarshal([]byte(info), &cinfo)
if err != nil {
t.Errorf("%v", err)
}
contract := &Contract{
Code: "",
Info: cinfo,
}
filename := "/tmp/solctest.info.json"
os.Remove(filename)
cinfohash, err := ExtractInfo(contract, filename)
if err != nil {
t.Errorf("%v", err)
}
got, err := ioutil.ReadFile(filename)
if err != nil {
t.Errorf("%v", err)
}
if string(got) != info {
t.Errorf("incorrect info.json extracted, expected:\n%s\ngot\n%s", info, string(got))
}
if cinfohash != infohash {
t.Errorf("content hash for info is incorrect. expected %v, got %v", infohash.Hex(), cinfohash.Hex())
}
}

136
common/natspec/natspec.go
View File

@ -17,118 +17,119 @@ import (
type abi2method map[[8]byte]*method
type NatSpec struct {
jsvm *otto.Otto
userDocJson, abiDocJson []byte
userDoc userDoc
tx, data string
// abiDoc abiDoc
}
func getFallbackNotice(comment, tx string) string {
return "About to submit transaction (" + comment + "): " + tx
jsvm *otto.Otto
abiDocJson []byte
userDoc userDoc
tx, data string
}
// main entry point for to get natspec notice for a transaction
// the implementation is frontend friendly in that it always gives back
// a notice that is safe to display
// :FIXME: the second return value is an error, which can be used to fine-tune bahaviour
func GetNotice(xeth *xeth.XEth, tx string, http *docserver.DocServer) (notice string) {
ns, err := New(xeth, tx, http)
if err != nil {
if ns == nil {
return getFallbackNotice("no NatSpec info found for contract", tx)
return getFallbackNotice(fmt.Sprintf("no NatSpec info found for contract: %v", err), tx)
} else {
return getFallbackNotice("invalid NatSpec info", tx)
return getFallbackNotice(fmt.Sprintf("invalid NatSpec info: %v", err), tx)
}
}
notice, err2 := ns.Notice()
if err2 != nil {
return getFallbackNotice("NatSpec notice error \""+err2.Error()+"\"", tx)
notice, err = ns.Notice()
if err != nil {
return getFallbackNotice(fmt.Sprintf("NatSpec notice error: %v", err), tx)
}
return
}
func New(xeth *xeth.XEth, tx string, http *docserver.DocServer) (self *NatSpec, err error) {
func getFallbackNotice(comment, tx string) string {
return fmt.Sprintf("About to submit transaction (%s): %s", comment, tx)
}
type transaction struct {
To string `json:"to"`
Data string `json:"data"`
}
type jsonTx struct {
Params []transaction `json:"params"`
}
type contractInfo struct {
Source string `json:"source"`
Language string `json:"language"`
Version string `json:"compilerVersion"`
AbiDefinition json.RawMessage `json:"abiDefinition"`
UserDoc userDoc `json:"userDoc"`
DeveloperDoc json.RawMessage `json:"developerDoc"`
}
func New(xeth *xeth.XEth, jsontx string, http *docserver.DocServer) (self *NatSpec, err error) {
// extract contract address from tx
var obj map[string]json.RawMessage
err = json.Unmarshal([]byte(tx), &obj)
var tx jsonTx
err = json.Unmarshal([]byte(jsontx), &tx)
if err != nil {
return
}
var tmp []map[string]string
err = json.Unmarshal(obj["params"], &tmp)
t := tx.Params[0]
contractAddress := t.To
content, err := FetchDocsForContract(contractAddress, xeth, http)
if err != nil {
return
}
contractAddress := tmp[0]["to"]
self, err = NewWithDocs(content, jsontx, t.Data)
return
}
// also called by admin.contractInfo.get
func FetchDocsForContract(contractAddress string, xeth *xeth.XEth, http *docserver.DocServer) (content []byte, err error) {
// retrieve contract hash from state
if !xeth.IsContract(contractAddress) {
err = fmt.Errorf("NatSpec error: contract not found")
codehex := xeth.CodeAt(contractAddress)
codeb := xeth.CodeAtBytes(contractAddress)
if codehex == "0x" {
err = fmt.Errorf("contract (%v) not found", contractAddress)
return
}
codehex := xeth.CodeAt(contractAddress)
codeHash := common.BytesToHash(crypto.Sha3(common.Hex2Bytes(codehex[2:])))
// parse out host/domain
codehash := common.BytesToHash(crypto.Sha3(codeb))
// set up nameresolver with natspecreg + urlhint contract addresses
res := resolver.New(
xeth,
resolver.URLHintContractAddress,
resolver.HashRegContractAddress,
)
res := resolver.New(xeth)
// resolve host via HashReg/UrlHint Resolver
uri, hash, err := res.KeyToUrl(codeHash)
uri, hash, err := res.KeyToUrl(codehash)
if err != nil {
return
}
// get content via http client and authenticate content using hash
content, err := http.GetAuthContent(uri, hash)
content, err = http.GetAuthContent(uri, hash)
if err != nil {
return
}
// get abi, userdoc
var obj2 map[string]json.RawMessage
err = json.Unmarshal(content, &obj2)
if err != nil {
return
}
abi := []byte(obj2["abi"])
userdoc := []byte(obj2["userdoc"])
self, err = NewWithDocs(abi, userdoc, tx)
return
}
func NewWithDocs(abiDocJson, userDocJson []byte, tx string) (self *NatSpec, err error) {
func NewWithDocs(infoDoc []byte, tx string, data string) (self *NatSpec, err error) {
var obj map[string]json.RawMessage
err = json.Unmarshal([]byte(tx), &obj)
var contract contractInfo
err = json.Unmarshal(infoDoc, &contract)
if err != nil {
return
}
var tmp []map[string]string
err = json.Unmarshal(obj["params"], &tmp)
if err != nil {
return
}
data := tmp[0]["data"]
self = &NatSpec{
jsvm: otto.New(),
abiDocJson: abiDocJson,
userDocJson: userDocJson,
tx: tx,
data: data,
jsvm: otto.New(),
abiDocJson: []byte(contract.AbiDefinition),
userDoc: contract.UserDoc,
tx: tx,
data: data,
}
// load and require natspec js (but it is meant to be protected environment)
@ -137,13 +138,6 @@ func NewWithDocs(abiDocJson, userDocJson []byte, tx string) (self *NatSpec, err
return
}
_, err = self.jsvm.Run("var natspec = require('natspec');")
if err != nil {
return
}
err = json.Unmarshal(userDocJson, &self.userDoc)
// err = parseAbiJson(abiDocJson, &self.abiDoc)
return
}

340
common/natspec/natspec_e2e_test.go
View File

@ -1,8 +1,8 @@
package natspec
import (
"fmt"
"io/ioutil"
"math/big"
"os"
"testing"
@ -14,39 +14,26 @@ import (
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rpc"
xe "github.com/ethereum/go-ethereum/xeth"
)
type testFrontend struct {
t *testing.T
ethereum *eth.Ethereum
xeth *xe.XEth
api *rpc.EthereumApi
coinbase string
stateDb *state.StateDB
txc uint64
lastConfirm string
makeNatSpec bool
}
const (
testAccount = "e273f01c99144c438695e10f24926dc1f9fbf62d"
testBalance = "1000000000000"
testBalance = "10000000000000000000"
testFileName = "long_file_name_for_testing_registration_of_URLs_longer_than_32_bytes.content"
testNotice = "Register key `utils.toHex(_key)` <- content `utils.toHex(_content)`"
testExpNotice = "Register key 0xadd1a7d961cff0242089674ec2ef6fca671ab15e1fe80e38859fc815b98d88ab <- content 0xb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7"
testExpNotice2 = `About to submit transaction (NatSpec notice error: abi key does not match any method): {"params":[{"to":"%s","data": "0x31e12c20"}]}`
testExpNotice3 = `About to submit transaction (no NatSpec info found for contract: content hash not found for '0x1392c62d05b2d149e22a339c531157ae06b44d39a674cce500064b12b9aeb019'): {"params":[{"to":"%s","data": "0x300a3bbfb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000066696c653a2f2f2f746573742e636f6e74656e74"}]}`
)
const testFileName = "long_file_name_for_testing_registration_of_URLs_longer_than_32_bytes.content"
const testNotice = "Register key `utils.toHex(_key)` <- content `utils.toHex(_content)`"
const testExpNotice = "Register key 0xadd1a7d961cff0242089674ec2ef6fca671ab15e1fe80e38859fc815b98d88ab <- content 0xc00d5bcc872e17813df6ec5c646bb281a6e2d3b454c2c400c78192adf3344af9"
const testExpNotice2 = `About to submit transaction (NatSpec notice error "abi key does not match any method"): {"id":6,"jsonrpc":"2.0","method":"eth_transact","params":[{"from":"0xe273f01c99144c438695e10f24926dc1f9fbf62d","to":"0xb737b91f8e95cf756766fc7c62c9a8ff58470381","value":"100000000000","gas":"100000","gasPrice":"100000","data":"0x31e12c20"}]}`
const testExpNotice3 = `About to submit transaction (no NatSpec info found for contract): {"id":6,"jsonrpc":"2.0","method":"eth_transact","params":[{"from":"0xe273f01c99144c438695e10f24926dc1f9fbf62d","to":"0x8b839ad85686967a4f418eccc81962eaee314ac3","value":"100000000000","gas":"100000","gasPrice":"100000","data":"0x300a3bbfc00d5bcc872e17813df6ec5c646bb281a6e2d3b454c2c400c78192adf3344af900000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000"}]}`
const testUserDoc = `
const (
testUserDoc = `
{
"source": "...",
"language": "Solidity",
"languageVersion": 1,
"methods": {
"register(uint256,uint256)": {
"notice": "` + testNotice + `"
@ -60,8 +47,7 @@ const testUserDoc = `
]
}
`
const testABI = `
testAbiDefinition = `
[{
"name": "register",
"constant": false,
@ -77,70 +63,81 @@ const testABI = `
}]
`
const testDocs = `
testContractInfo = `
{
"userdoc": ` + testUserDoc + `,
"abi": ` + testABI + `
"userDoc": ` + testUserDoc + `,
"abiDefinition": ` + testAbiDefinition + `
}
`
)
func (f *testFrontend) UnlockAccount(acc []byte) bool {
f.t.Logf("Unlocking account %v\n", common.Bytes2Hex(acc))
f.ethereum.AccountManager().Unlock(acc, "password")
type testFrontend struct {
t *testing.T
// resolver *resolver.Resolver
ethereum *eth.Ethereum
xeth *xe.XEth
coinbase common.Address
stateDb *state.StateDB
txc uint64
lastConfirm string
wantNatSpec bool
}
func (self *testFrontend) UnlockAccount(acc []byte) bool {
self.ethereum.AccountManager().Unlock(acc, "password")
return true
}
func (f *testFrontend) ConfirmTransaction(tx string) bool {
//f.t.Logf("ConfirmTransaction called tx = %v", tx)
if f.makeNatSpec {
func (self *testFrontend) ConfirmTransaction(tx string) bool {
if self.wantNatSpec {
ds, err := docserver.New("/tmp/")
if err != nil {
f.t.Errorf("Error creating DocServer: %v", err)
self.t.Errorf("Error creating DocServer: %v", err)
}
f.lastConfirm = GetNotice(f.xeth, tx, ds)
self.lastConfirm = GetNotice(self.xeth, tx, ds)
}
return true
}
var port = 30300
func testEth(t *testing.T) (ethereum *eth.Ethereum, err error) {
os.RemoveAll("/tmp/eth-natspec/")
err = os.MkdirAll("/tmp/eth-natspec/keys/e273f01c99144c438695e10f24926dc1f9fbf62d/", os.ModePerm)
if err != nil {
t.Errorf("%v", err)
return
}
err = os.MkdirAll("/tmp/eth-natspec/data", os.ModePerm)
if err != nil {
t.Errorf("%v", err)
return
}
ks := crypto.NewKeyStorePlain("/tmp/eth-natspec/keys")
ioutil.WriteFile("/tmp/eth-natspec/keys/e273f01c99144c438695e10f24926dc1f9fbf62d/e273f01c99144c438695e10f24926dc1f9fbf62d",
[]byte(`{"Id":"RhRXD+fNRKS4jx+7ZfEsNA==","Address":"4nPwHJkUTEOGleEPJJJtwfn79i0=","PrivateKey":"h4ACVpe74uIvi5Cg/2tX/Yrm2xdr3J7QoMbMtNX2CNc="}`), os.ModePerm)
port++
os.RemoveAll("/tmp/eth-natspec/")
err = os.MkdirAll("/tmp/eth-natspec/keys", os.ModePerm)
if err != nil {
panic(err)
}
// create a testAddress
ks := crypto.NewKeyStorePassphrase("/tmp/eth-natspec/keys")
am := accounts.NewManager(ks)
testAccount, err := am.NewAccount("password")
if err != nil {
panic(err)
}
testAddress := common.Bytes2Hex(testAccount.Address)
// set up mock genesis with balance on the testAddress
core.GenesisData = []byte(`{
"` + testAddress + `": {"balance": "` + testBalance + `"}
}`)
// only use minimalistic stack with no networking
ethereum, err = eth.New(&eth.Config{
DataDir: "/tmp/eth-natspec",
AccountManager: accounts.NewManager(ks),
Name: "test",
AccountManager: am,
MaxPeers: 0,
})
if err != nil {
t.Errorf("%v", err)
return
panic(err)
}
return
}
func testInit(t *testing.T) (self *testFrontend) {
core.GenesisData = []byte(`{
"` + testAccount + `": {"balance": "` + testBalance + `"}
}`)
// initialise and start minimal ethereum stack
ethereum, err := testEth(t)
if err != nil {
t.Errorf("error creating ethereum: %v", err)
@ -152,190 +149,95 @@ func testInit(t *testing.T) (self *testFrontend) {
return
}
// mock frontend
self = &testFrontend{t: t, ethereum: ethereum}
self.xeth = xe.New(ethereum, self)
self.api = rpc.NewEthereumApi(self.xeth)
addr := self.xeth.Coinbase()
addr, _ := ethereum.Etherbase()
self.coinbase = addr
if addr != "0x"+testAccount {
t.Errorf("CoinBase %v does not match TestAccount 0x%v", addr, testAccount)
}
t.Logf("CoinBase is %v", addr)
balance := self.xeth.BalanceAt(testAccount)
/*if balance != core.TestBalance {
t.Errorf("Balance %v does not match TestBalance %v", balance, core.TestBalance)
}*/
t.Logf("Balance is %v", balance)
self.stateDb = self.ethereum.ChainManager().State().Copy()
// initialise the registry contracts
// self.resolver.CreateContracts(addr)
resolver.New(self.xeth).CreateContracts(addr)
self.applyTxs()
// t.Logf("HashReg contract registered at %v", resolver.HashRegContractAddress)
// t.Logf("URLHint contract registered at %v", resolver.UrlHintContractAddress)
return
}
func (self *testFrontend) insertTx(addr, contract, fnsig string, args []string) {
//cb := common.HexToAddress(self.coinbase)
//coinbase := self.ethereum.ChainManager().State().GetStateObject(cb)
hash := common.Bytes2Hex(crypto.Sha3([]byte(fnsig)))
data := "0x" + hash[0:8]
for _, arg := range args {
data = data + common.Bytes2Hex(common.Hex2BytesFixed(arg, 32))
}
self.t.Logf("Tx data: %v", data)
jsontx := `
[{
"from": "` + addr + `",
"to": "` + contract + `",
"value": "100000000000",
"gas": "100000",
"gasPrice": "100000",
"data": "` + data + `"
}]
`
req := &rpc.RpcRequest{
Jsonrpc: "2.0",
Method: "eth_transact",
Params: []byte(jsontx),
Id: 6,
}
var reply interface{}
err0 := self.api.GetRequestReply(req, &reply)
if err0 != nil {
self.t.Errorf("GetRequestReply error: %v", err0)
}
//self.xeth.Transact(addr, contract, "100000000000", "100000", "100000", data)
}
// this is needed for transaction to be applied to the state in testing
// the heavy lifing is done in XEth.ApplyTestTxs
// this is fragile,
// and does process leaking since xeth loops cannot quit safely
// should be replaced by proper mining with testDAG for easy full integration tests
func (self *testFrontend) applyTxs() {
cb := common.HexToAddress(self.coinbase)
block := self.ethereum.ChainManager().NewBlock(cb)
coinbase := self.stateDb.GetStateObject(cb)
coinbase.SetGasPool(big.NewInt(10000000))
txs := self.ethereum.TxPool().GetQueuedTransactions()
for i := 0; i < len(txs); i++ {
for _, tx := range txs {
//self.t.Logf("%v %v %v", i, tx.Nonce(), self.txc)
if tx.Nonce() == self.txc {
_, gas, err := core.ApplyMessage(core.NewEnv(self.stateDb, self.ethereum.ChainManager(), tx, block), tx, coinbase)
//self.ethereum.TxPool().RemoveSet([]*types.Transaction{tx})
self.t.Logf("ApplyMessage: gas %v err %v", gas, err)
self.txc++
}
}
}
//self.ethereum.TxPool().RemoveSet(txs)
self.xeth = self.xeth.WithState(self.stateDb)
}
func (self *testFrontend) registerURL(hash common.Hash, url string) {
hashHex := common.Bytes2Hex(hash[:])
urlBytes := []byte(url)
var bb bool = true
var cnt byte
for bb {
bb = len(urlBytes) > 0
urlb := urlBytes
if len(urlb) > 32 {
urlb = urlb[:32]
}
urlHex := common.Bytes2Hex(urlb)
self.insertTx(self.coinbase, resolver.URLHintContractAddress, "register(uint256,uint8,uint256)", []string{hashHex, common.Bytes2Hex([]byte{cnt}), urlHex})
if len(urlBytes) > 32 {
urlBytes = urlBytes[32:]
} else {
urlBytes = nil
}
cnt++
}
}
func (self *testFrontend) setOwner() {
self.insertTx(self.coinbase, resolver.HashRegContractAddress, "setowner()", []string{})
/*owner := self.xeth.StorageAt("0x"+resolver.HashRegContractAddress, "0x0000000000000000000000000000000000000000000000000000000000000000")
self.t.Logf("owner = %v", owner)
if owner != self.coinbase {
self.t.Errorf("setowner() unsuccessful, owner != coinbase")
}*/
}
func (self *testFrontend) registerNatSpec(codehash, dochash common.Hash) {
codeHex := common.Bytes2Hex(codehash[:])
docHex := common.Bytes2Hex(dochash[:])
self.insertTx(self.coinbase, resolver.HashRegContractAddress, "register(uint256,uint256)", []string{codeHex, docHex})
}
func (self *testFrontend) testResolver() *resolver.Resolver {
return resolver.New(self.xeth, resolver.URLHintContractAddress, resolver.HashRegContractAddress)
self.txc, self.xeth = self.xeth.ApplyTestTxs(self.stateDb, self.coinbase, self.txc)
return
}
// end to end test
func TestNatspecE2E(t *testing.T) {
t.Skip()
// t.Skip()
tf := testInit(t)
defer tf.ethereum.Stop()
resolver.CreateContracts(tf.xeth, testAccount)
t.Logf("URLHint contract registered at %v", resolver.URLHintContractAddress)
t.Logf("HashReg contract registered at %v", resolver.HashRegContractAddress)
tf.applyTxs()
// create a contractInfo file (mock cloud-deployed contract metadocs)
// incidentally this is the info for the registry contract itself
ioutil.WriteFile("/tmp/"+testFileName, []byte(testContractInfo), os.ModePerm)
dochash := common.BytesToHash(crypto.Sha3([]byte(testContractInfo)))
ioutil.WriteFile("/tmp/"+testFileName, []byte(testDocs), os.ModePerm)
dochash := common.BytesToHash(crypto.Sha3([]byte(testDocs)))
// take the codehash for the contract we wanna test
// codehex := tf.xeth.CodeAt(resolver.HashRegContractAddress)
codeb := tf.xeth.CodeAtBytes(resolver.HashRegContractAddress)
codehash := common.BytesToHash(crypto.Sha3(codeb))
codehex := tf.xeth.CodeAt(resolver.HashRegContractAddress)
codehash := common.BytesToHash(crypto.Sha3(common.Hex2Bytes(codehex[2:])))
tf.setOwner()
tf.registerNatSpec(codehash, dochash)
tf.registerURL(dochash, "file:///"+testFileName)
tf.applyTxs()
chash, err := tf.testResolver().KeyToContentHash(codehash)
// use resolver to register codehash->dochash->url
registry := resolver.New(tf.xeth)
_, err := registry.Register(tf.coinbase, codehash, dochash, "file:///"+testFileName)
if err != nil {
t.Errorf("Can't find content hash")
t.Errorf("error registering: %v", err)
}
t.Logf("chash = %x err = %v", chash, err)
url, err2 := tf.testResolver().ContentHashToUrl(dochash)
if err2 != nil {
t.Errorf("Can't find URL hint")
}
t.Logf("url = %v err = %v", url, err2)
// apply txs to the state
tf.applyTxs()
// NatSpec info for register method of HashReg contract installed
// now using the same transactions to check confirm messages
tf.makeNatSpec = true
tf.registerNatSpec(codehash, dochash)
t.Logf("Confirm message: %v\n", tf.lastConfirm)
tf.wantNatSpec = true // this is set so now the backend uses natspec confirmation
_, err = registry.RegisterContentHash(tf.coinbase, codehash, dochash)
if err != nil {
t.Errorf("error calling contract registry: %v", err)
}
if tf.lastConfirm != testExpNotice {
t.Errorf("Wrong confirm message, expected '%v', got '%v'", testExpNotice, tf.lastConfirm)
t.Errorf("Wrong confirm message. expected '%v', got '%v'", testExpNotice, tf.lastConfirm)
}
tf.setOwner()
t.Logf("Confirm message for unknown method: %v\n", tf.lastConfirm)
if tf.lastConfirm != testExpNotice2 {
t.Errorf("Wrong confirm message, expected '%v', got '%v'", testExpNotice2, tf.lastConfirm)
// test unknown method
exp := fmt.Sprintf(testExpNotice2, resolver.HashRegContractAddress)
_, err = registry.SetOwner(tf.coinbase)
if err != nil {
t.Errorf("error setting owner: %v", err)
}
tf.registerURL(dochash, "file:///test.content")
t.Logf("Confirm message for unknown contract: %v\n", tf.lastConfirm)
if tf.lastConfirm != testExpNotice3 {
t.Errorf("Wrong confirm message, expected '%v', got '%v'", testExpNotice3, tf.lastConfirm)
if tf.lastConfirm != exp {
t.Errorf("Wrong confirm message, expected '%v', got '%v'", exp, tf.lastConfirm)
}
// test unknown contract
exp = fmt.Sprintf(testExpNotice3, resolver.UrlHintContractAddress)
_, err = registry.RegisterUrl(tf.coinbase, dochash, "file:///test.content")
if err != nil {
t.Errorf("error registering: %v", err)
}
if tf.lastConfirm != exp {
t.Errorf("Wrong confirm message, expected '%v', got '%v'", exp, tf.lastConfirm)
}
}

89
common/natspec/natspec_test.go
View File

@ -4,70 +4,65 @@ import (
"testing"
)
func makeUserdoc(desc string) []byte {
func makeInfoDoc(desc string) []byte {
return []byte(`
{
"source": "...",
"source": "contract test { }",
"language": "Solidity",
"languageVersion": 1,
"methods": {
"multiply(uint256)": {
"notice": "` + desc + `"
"compilerVersion": "1",
"userDoc": {
"methods": {
"multiply(uint256)": {
"notice": "` + desc + `"
},
"balance(address)": {
"notice": "` + "`(balanceInmGAV / 1000).fixed(0,3)`" + ` GAV is the total funds available to ` + "`who.address()`." + `"
}
},
"balance(address)": {
"notice": "` + "`(balanceInmGAV / 1000).fixed(0,3)`" + ` GAV is the total funds available to ` + "`who.address()`." + `"
}
"invariants": [
{ "notice": "The sum total amount of GAV in the system is 1 million." }
],
"construction": [
{ "notice": "Endows ` + "`message.caller.address()`" + ` with 1m GAV." }
]
},
"invariants": [
{ "notice": "The sum total amount of GAV in the system is 1 million." }
],
"construction": [
{ "notice": "Endows ` + "`message.caller.address()`" + ` with 1m GAV." }
]
}
`)
"abiDefinition": [{
"name": "multiply",
"constant": false,
"type": "function",
"inputs": [{
"name": "a",
"type": "uint256"
}],
"outputs": [{
"name": "d",
"type": "uint256"
}]
}]
}`)
}
var data = "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
var tx = `
{
"jsonrpc": "2.0",
"method": "eth_call",
"params": [{
"to": "0x8521742d3f456bd237e312d6e30724960f72517a",
"data": "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
}],
"id": 6
}
`
var abi = []byte(`
[{
"name": "multiply",
"constant": false,
"type": "function",
"inputs": [{
"name": "a",
"type": "uint256"
}],
"outputs": [{
"name": "d",
"type": "uint256"
}]
}]
`)
func TestNotice(t *testing.T) {
desc := "Will multiply `a` by 7 and return `a * 7`."
expected := "Will multiply 122 by 7 and return 854."
userdoc := makeUserdoc(desc)
ns, err := NewWithDocs(abi, userdoc, tx)
infodoc := makeInfoDoc(desc)
ns, err := NewWithDocs(infodoc, tx, data)
if err != nil {
t.Errorf("New: error: %v", err)
return
}
notice, err := ns.Notice()
@ -78,8 +73,6 @@ func TestNotice(t *testing.T) {
if notice != expected {
t.Errorf("incorrect notice. expected %v, got %v", expected, notice)
} else {
t.Logf("returned notice \"%v\"", notice)
}
}
@ -87,10 +80,10 @@ func TestNotice(t *testing.T) {
func TestMissingMethod(t *testing.T) {
desc := "Will multiply `a` by 7 and return `a * 7`."
userdoc := makeUserdoc(desc)
expected := "natspec.js error evaluating expression: Natspec evaluation failed, method does not exist"
ns, err := NewWithDocs(abi, userdoc, tx)
infodoc := makeInfoDoc(desc)
ns, err := NewWithDocs(infodoc, tx, data)
if err != nil {
t.Errorf("New: error: %v", err)
}
@ -113,9 +106,8 @@ func TestInvalidDesc(t *testing.T) {
desc := "Will multiply 122 by \"7\" and return 854."
expected := "invalid character '7' after object key:value pair"
userdoc := makeUserdoc(desc)
_, err := NewWithDocs(abi, userdoc, tx)
infodoc := makeInfoDoc(desc)
_, err := NewWithDocs(infodoc, tx, data)
if err == nil {
t.Errorf("expected error, got nothing", err)
} else {
@ -131,9 +123,8 @@ func TestWrongInputParams(t *testing.T) {
desc := "Will multiply `e` by 7 and return `a * 7`."
expected := "natspec.js error evaluating expression: Natspec evaluation failed, wrong input params"
userdoc := makeUserdoc(desc)
ns, err := NewWithDocs(abi, userdoc, tx)
infodoc := makeInfoDoc(desc)
ns, err := NewWithDocs(infodoc, tx, data)
if err != nil {
t.Errorf("New: error: %v", err)
}

164
common/resolver/resolver.go
View File

@ -6,7 +6,8 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
xe "github.com/ethereum/go-ethereum/xeth"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
)
/*
@ -18,50 +19,152 @@ The resolver is meant to be called by the roundtripper transport implementation
of a url scheme
*/
// contract addresses will be hardcoded after they're created
var URLHintContractAddress string = "0000000000000000000000000000000000000000000000000000000000001234"
var HashRegContractAddress string = "0000000000000000000000000000000000000000000000000000000000005678"
// // contract addresses will be hardcoded after they're created
var UrlHintContractAddress, HashRegContractAddress string
func CreateContracts(xeth *xe.XEth, addr string) {
var err error
URLHintContractAddress, err = xeth.Transact(addr, "", "", "100000000000", "1000000", "100000", ContractCodeURLhint)
if err != nil {
panic(err)
}
HashRegContractAddress, err = xeth.Transact(addr, "", "", "100000000000", "1000000", "100000", ContractCodeHashReg)
if err != nil {
panic(err)
}
const (
txValue = "0"
txGas = "100000"
txGasPrice = "1000000000000"
)
func abi(s string) string {
return common.ToHex(crypto.Sha3([]byte(s))[:4])
}
type Resolver struct {
backend Backend
urlHintContractAddress string
hashRegContractAddress string
}
var (
registerContentHashAbi = abi("register(uint256,uint256)")
registerUrlAbi = abi("register(uint256,uint8,uint256)")
setOwnerAbi = abi("setowner()")
)
type Backend interface {
StorageAt(string, string) string
Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error)
}
func New(eth Backend, uhca, nrca string) *Resolver {
return &Resolver{eth, uhca, nrca}
type Resolver struct {
backend Backend
}
func (self *Resolver) KeyToContentHash(khash common.Hash) (chash common.Hash, err error) {
// look up in hashReg
key := storageAddress(storageMapping(storageIdx2Addr(1), khash[:]))
hash := self.backend.StorageAt(self.hashRegContractAddress, key)
func New(eth Backend) *Resolver {
return &Resolver{eth}
}
if hash == "0x0" || len(hash) < 3 {
err = fmt.Errorf("GetHashReg: content hash not found")
// for testing and play temporarily
// ideally the HashReg and UrlHint contracts should be in the genesis block
// if we got build-in support for natspec/contract info
// there should be only one of these officially endorsed
// addresses as constants
// TODO: could get around this with namereg, check
func (self *Resolver) CreateContracts(addr common.Address) (err error) {
HashRegContractAddress, err = self.backend.Transact(addr.Hex(), "", "", txValue, txGas, txGasPrice, ContractCodeHashReg)
if err != nil {
return
}
UrlHintContractAddress, err = self.backend.Transact(addr.Hex(), "", "", txValue, txGas, txGasPrice, ContractCodeURLhint)
glog.V(logger.Detail).Infof("HashReg @ %v\nUrlHint @ %v\n", HashRegContractAddress, UrlHintContractAddress)
return
}
// called as first step in the registration process on HashReg
func (self *Resolver) SetOwner(address common.Address) (txh string, err error) {
return self.backend.Transact(
address.Hex(),
HashRegContractAddress,
"", txValue, txGas, txGasPrice,
setOwnerAbi,
)
}
// registers some content hash to a key/code hash
// e.g., the contract Info combined Json Doc's ContentHash
// to CodeHash of a contract or hash of a domain
// kept
func (self *Resolver) RegisterContentHash(address common.Address, codehash, dochash common.Hash) (txh string, err error) {
_, err = self.SetOwner(address)
if err != nil {
return
}
codehex := common.Bytes2Hex(codehash[:])
dochex := common.Bytes2Hex(dochash[:])
data := registerContentHashAbi + codehex + dochex
return self.backend.Transact(
address.Hex(),
HashRegContractAddress,
"", txValue, txGas, txGasPrice,
data,
)
}
// registers a url to a content hash so that the content can be fetched
// address is used as sender for the transaction and will be the owner of a new
// registry entry on first time use
// FIXME: silently doing nothing if sender is not the owner
// note that with content addressed storage, this step is no longer necessary
// it could be purely
func (self *Resolver) RegisterUrl(address common.Address, hash common.Hash, url string) (txh string, err error) {
hashHex := common.Bytes2Hex(hash[:])
var urlHex string
urlb := []byte(url)
var cnt byte
n := len(urlb)
for n > 0 {
if n > 32 {
n = 32
}
urlHex = common.Bytes2Hex(urlb[:n])
urlb = urlb[n:]
n = len(urlb)
bcnt := make([]byte, 32)
bcnt[31] = cnt
data := registerUrlAbi +
hashHex +
common.Bytes2Hex(bcnt) +
common.Bytes2Hex(common.Hex2BytesFixed(urlHex, 32))
txh, err = self.backend.Transact(
address.Hex(),
UrlHintContractAddress,
"", txValue, txGas, txGasPrice,
data,
)
if err != nil {
return
}
cnt++
}
return
}
func (self *Resolver) Register(address common.Address, codehash, dochash common.Hash, url string) (txh string, err error) {
_, err = self.RegisterContentHash(address, codehash, dochash)
if err != nil {
return
}
return self.RegisterUrl(address, dochash, url)
}
// resolution is costless non-transactional
// implemented as direct retrieval from db
func (self *Resolver) KeyToContentHash(khash common.Hash) (chash common.Hash, err error) {
// look up in hashReg
at := common.Bytes2Hex(common.FromHex(HashRegContractAddress))
key := storageAddress(storageMapping(storageIdx2Addr(1), khash[:]))
hash := self.backend.StorageAt(at, key)
if hash == "0x0" || len(hash) < 3 {
err = fmt.Errorf("content hash not found for '%v'", khash.Hex())
return
}
copy(chash[:], common.Hex2BytesFixed(hash[2:], 32))
return
}
// retrieves the url-hint for the content hash -
// if we use content addressed storage, this step is no longer necessary
func (self *Resolver) ContentHashToUrl(chash common.Hash) (uri string, err error) {
// look up in URL reg
var str string = " "
@ -69,7 +172,7 @@ func (self *Resolver) ContentHashToUrl(chash common.Hash) (uri string, err error
for len(str) > 0 {
mapaddr := storageMapping(storageIdx2Addr(1), chash[:])
key := storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(idx)))
hex := self.backend.StorageAt(self.urlHintContractAddress, key)
hex := self.backend.StorageAt(UrlHintContractAddress, key)
str = string(common.Hex2Bytes(hex[2:]))
l := len(str)
for (l > 0) && (str[l-1] == 0) {
@ -81,7 +184,7 @@ func (self *Resolver) ContentHashToUrl(chash common.Hash) (uri string, err error
}
if len(uri) == 0 {
err = fmt.Errorf("GetURLhint: URL hint not found")
err = fmt.Errorf("GetURLhint: URL hint not found for '%v'", chash.Hex())
}
return
}
@ -106,7 +209,8 @@ func storageMapping(addr, key []byte) []byte {
data := make([]byte, 64)
copy(data[0:32], key[0:32])
copy(data[32:64], addr[0:32])
return crypto.Sha3(data)
sha := crypto.Sha3(data)
return sha
}
func storageFixedArray(addr, idx []byte) []byte {

29
common/resolver/resolver_test.go
View File

@ -20,6 +20,8 @@ var (
)
func NewTestBackend() *testBackend {
HashRegContractAddress = common.BigToAddress(common.Big0).Hex()[2:]
UrlHintContractAddress = common.BigToAddress(common.Big1).Hex()[2:]
self := &testBackend{}
self.contracts = make(map[string](map[string]string))
@ -27,14 +29,13 @@ func NewTestBackend() *testBackend {
key := storageAddress(storageMapping(storageIdx2Addr(1), codehash[:]))
self.contracts[HashRegContractAddress][key] = hash.Hex()
self.contracts[URLHintContractAddress] = make(map[string]string)
self.contracts[UrlHintContractAddress] = make(map[string]string)
mapaddr := storageMapping(storageIdx2Addr(1), hash[:])
key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(0)))
self.contracts[URLHintContractAddress][key] = common.ToHex([]byte(url))
self.contracts[UrlHintContractAddress][key] = common.ToHex([]byte(url))
key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(1)))
self.contracts[URLHintContractAddress][key] = "0x00"
self.contracts[UrlHintContractAddress][key] = "0x00"
return self
}
@ -47,42 +48,46 @@ func (self *testBackend) StorageAt(ca, sa string) (res string) {
return
}
func (self *testBackend) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
return "", nil
}
func TestKeyToContentHash(t *testing.T) {
b := NewTestBackend()
res := New(b, URLHintContractAddress, HashRegContractAddress)
res := New(b)
got, err := res.KeyToContentHash(codehash)
if err != nil {
t.Errorf("expected no error, got %v", err)
} else {
if got != hash {
t.Errorf("incorrect result, expected %x, got %x: ", hash.Hex(), got.Hex())
t.Errorf("incorrect result, expected '%v', got '%v'", hash.Hex(), got.Hex())
}
}
}
func TestContentHashToUrl(t *testing.T) {
b := NewTestBackend()
res := New(b, URLHintContractAddress, HashRegContractAddress)
res := New(b)
got, err := res.ContentHashToUrl(hash)
if err != nil {
t.Errorf("expected no error, got %v", err)
} else {
if string(got) != url {
t.Errorf("incorrect result, expected %v, got %s: ", url, string(got))
if got != url {
t.Errorf("incorrect result, expected '%v', got '%s'", url, got)
}
}
}
func TestKeyToUrl(t *testing.T) {
b := NewTestBackend()
res := New(b, URLHintContractAddress, HashRegContractAddress)
res := New(b)
got, _, err := res.KeyToUrl(codehash)
if err != nil {
t.Errorf("expected no error, got %v", err)
} else {
if string(got) != url {
t.Errorf("incorrect result, expected %v, got %s: ", url, string(got))
if got != url {
t.Errorf("incorrect result, expected \n'%s', got \n'%s'", url, got)
}
}
}

5
core/chain_manager.go
View File

@ -66,7 +66,6 @@ func CalcGasLimit(parent *types.Block) *big.Int {
result := new(big.Int).Add(previous, curInt)
result.Div(result, big.NewInt(1024))
return common.BigMax(params.GenesisGasLimit, result)
}
@ -161,7 +160,8 @@ func (self *ChainManager) Td() *big.Int {
}
func (self *ChainManager) GasLimit() *big.Int {
return self.currentGasLimit
// return self.currentGasLimit
return self.currentBlock.GasLimit()
}
func (self *ChainManager) LastBlockHash() common.Hash {
@ -280,7 +280,6 @@ func (bc *ChainManager) NewBlock(coinbase common.Address) *types.Block {
header.Difficulty = CalcDifficulty(block.Header(), parent.Header())
header.Number = new(big.Int).Add(parent.Header().Number, common.Big1)
header.GasLimit = CalcGasLimit(parent)
}
return block

3
core/state/state_object.go
View File

@ -138,9 +138,12 @@ func (c *StateObject) setAddr(addr []byte, value interface{}) {
}
func (self *StateObject) GetStorage(key *big.Int) *common.Value {
fmt.Printf("%v: get %v %v", self.address.Hex(), key)
return self.GetState(common.BytesToHash(key.Bytes()))
}
func (self *StateObject) SetStorage(key *big.Int, value *common.Value) {
fmt.Printf("%v: set %v -> %v", self.address.Hex(), key, value)
self.SetState(common.BytesToHash(key.Bytes()), value)
}

46
rpc/api.go
View File

@ -2,9 +2,8 @@ package rpc
import (
"encoding/json"
"fmt"
"math/big"
"sync"
// "sync"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
@ -14,8 +13,7 @@ import (
)
type EthereumApi struct {
eth *xeth.XEth
xethMu sync.RWMutex
eth *xeth.XEth
}
func NewEthereumApi(xeth *xeth.XEth) *EthereumApi {
@ -27,9 +25,6 @@ func NewEthereumApi(xeth *xeth.XEth) *EthereumApi {
}
func (api *EthereumApi) xeth() *xeth.XEth {
api.xethMu.RLock()
defer api.xethMu.RUnlock()
return api.eth
}
@ -154,6 +149,7 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
}
*reply = newHexNum(big.NewInt(int64(len(br.Uncles))).Bytes())
case "eth_getData", "eth_getCode":
args := new(GetDataArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
@ -161,18 +157,13 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
}
v := api.xethAtStateNum(args.BlockNumber).CodeAtBytes(args.Address)
*reply = newHexData(v)
case "eth_sendTransaction", "eth_transact":
args := new(NewTxArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
return err
}
// call ConfirmTransaction first
tx, _ := json.Marshal(req)
if !api.xeth().ConfirmTransaction(string(tx)) {
return fmt.Errorf("Transaction not confirmed")
}
// nonce may be nil ("guess" mode)
var nonce string
if args.Nonce != nil {
@ -311,11 +302,36 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
} else {
*reply = v.Uncles[args.Index]
}
case "eth_getCompilers":
c := []string{""}
var lang string
if solc, _ := api.xeth().Solc(); solc != nil {
lang = "Solidity"
}
c := []string{lang}
*reply = c
case "eth_compileSolidity", "eth_compileLLL", "eth_compileSerpent":
case "eth_compileLLL", "eth_compileSerpent":
return NewNotImplementedError(req.Method)
case "eth_compileSolidity":
solc, _ := api.xeth().Solc()
if solc == nil {
return NewNotImplementedError(req.Method)
}
args := new(SourceArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
return err
}
contract, err := solc.Compile(args.Source)
if err != nil {
return err
}
*reply = contract
case "eth_newFilter":
args := new(BlockFilterArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {

97
rpc/api_test.go
View File

@ -5,8 +5,12 @@ import (
// "sync"
"testing"
// "time"
// "fmt"
"io/ioutil"
"strconv"
// "github.com/ethereum/go-ethereum/xeth"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/xeth"
)
func TestWeb3Sha3(t *testing.T) {
@ -26,6 +30,97 @@ func TestWeb3Sha3(t *testing.T) {
}
}
func TestCompileSolidity(t *testing.T) {
solc, err := compiler.New("")
if solc == nil {
t.Skip("no solidity compiler")
}
source := `contract test {\n` +
" /// @notice Will multiply `a` by 7." + `\n` +
` function multiply(uint a) returns(uint d) {\n` +
` return a * 7;\n` +
` }\n` +
`}\n`
jsonstr := `{"jsonrpc":"2.0","method":"eth_compileSolidity","params":["` + source + `"],"id":64}`
expCode := "605280600c6000396000f3006000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa114602e57005b60376004356041565b8060005260206000f35b6000600782029050604d565b91905056"
expAbiDefinition := `[{"constant":false,"inputs":[{"name":"a","type":"uint256"}],"name":"multiply","outputs":[{"name":"d","type":"uint256"}],"type":"function"}]`
expUserDoc := `{"methods":{"multiply(uint256)":{"notice":"Will multiply ` + "`a`" + ` by 7."}}}`
expDeveloperDoc := `{"methods":{}}`
expCompilerVersion := `0.9.13`
expLanguage := "Solidity"
expLanguageVersion := "0"
expSource := source
api := NewEthereumApi(&xeth.XEth{})
var req RpcRequest
json.Unmarshal([]byte(jsonstr), &req)
var response interface{}
err = api.GetRequestReply(&req, &response)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
respjson, err := json.Marshal(response)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
var contract = compiler.Contract{}
err = json.Unmarshal(respjson, &contract)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if contract.Code != expCode {
t.Errorf("Expected %s got %s", expCode, contract.Code)
}
if strconv.Quote(contract.Info.Source) != `"`+expSource+`"` {
t.Errorf("Expected \n'%s' got \n'%s'", expSource, strconv.Quote(contract.Info.Source))
}
if contract.Info.Language != expLanguage {
t.Errorf("Expected %s got %s", expLanguage, contract.Info.Language)
}
if contract.Info.LanguageVersion != expLanguageVersion {
t.Errorf("Expected %s got %s", expLanguageVersion, contract.Info.LanguageVersion)
}
if contract.Info.CompilerVersion != expCompilerVersion {
t.Errorf("Expected %s got %s", expCompilerVersion, contract.Info.CompilerVersion)
}
userdoc, err := json.Marshal(contract.Info.UserDoc)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
devdoc, err := json.Marshal(contract.Info.DeveloperDoc)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
abidef, err := json.Marshal(contract.Info.AbiDefinition)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if string(abidef) != expAbiDefinition {
t.Errorf("Expected \n'%s' got \n'%s'", expAbiDefinition, string(abidef))
}
ioutil.WriteFile("/tmp/abidef", []byte(string(abidef)), 0700)
ioutil.WriteFile("/tmp/expabidef", []byte(expAbiDefinition), 0700)
if string(userdoc) != expUserDoc {
t.Errorf("Expected \n'%s' got \n'%s'", expUserDoc, string(userdoc))
}
if string(devdoc) != expDeveloperDoc {
t.Errorf("Expected %s got %s", expDeveloperDoc, string(devdoc))
}
}
// func TestDbStr(t *testing.T) {
// jsonput := `{"jsonrpc":"2.0","method":"db_putString","params":["testDB","myKey","myString"],"id":64}`
// jsonget := `{"jsonrpc":"2.0","method":"db_getString","params":["testDB","myKey"],"id":64}`

23
rpc/args.go
View File

@ -1136,3 +1136,26 @@ func (args *SubmitWorkArgs) UnmarshalJSON(b []byte) (err error) {
return nil
}
type SourceArgs struct {
Source string
}
func (args *SourceArgs) UnmarshalJSON(b []byte) (err error) {
var obj []interface{}
if err := json.Unmarshal(b, &obj); err != nil {
return NewDecodeParamError(err.Error())
}
if len(obj) < 1 {
return NewInsufficientParamsError(len(obj), 1)
}
arg0, ok := obj[0].(string)
if !ok {
return NewInvalidTypeError("source code", "not a string")
}
args.Source = arg0
return nil
}

10
rpc/args_test.go
View File

@ -2494,3 +2494,13 @@ func TestBlockHeightFromJsonInvalid(t *testing.T) {
t.Error(str)
}
}
func TestSourceArgsEmpty(t *testing.T) {
input := `[]`
args := new(SourceArgs)
str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), &args))
if len(str) > 0 {
t.Error(str)
}
}

101
xeth/xeth.go
View File

@ -11,6 +11,7 @@ import (
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
@ -65,6 +66,9 @@ type XEth struct {
// regmut sync.Mutex
// register map[string][]*interface{} // TODO improve return type
solcPath string
solc *compiler.Solidity
agent *miner.RemoteAgent
}
@ -85,7 +89,6 @@ func New(eth *eth.Ethereum, frontend Frontend) *XEth {
agent: miner.NewRemoteAgent(),
}
eth.Miner().Register(xeth.agent)
if frontend == nil {
xeth.frontend = dummyFrontend{}
}
@ -185,9 +188,38 @@ func (self *XEth) AtStateNum(num int64) *XEth {
return self.WithState(st)
}
// applies queued transactions originating from address onto the latest state
// and creates a block
// only used in tests
// - could be removed in favour of mining on testdag (natspec e2e + networking)
// + filters
func (self *XEth) ApplyTestTxs(statedb *state.StateDB, address common.Address, txc uint64) (uint64, *XEth) {
block := self.backend.ChainManager().NewBlock(address)
coinbase := statedb.GetStateObject(address)
coinbase.SetGasPool(big.NewInt(10000000))
txs := self.backend.TxPool().GetQueuedTransactions()
for i := 0; i < len(txs); i++ {
for _, tx := range txs {
if tx.Nonce() == txc {
_, _, err := core.ApplyMessage(core.NewEnv(statedb, self.backend.ChainManager(), tx, block), tx, coinbase)
if err != nil {
panic(err)
}
txc++
}
}
}
xeth := self.WithState(statedb)
return txc, xeth
}
func (self *XEth) WithState(statedb *state.StateDB) *XEth {
xeth := &XEth{
backend: self.backend,
backend: self.backend,
frontend: self.frontend,
}
xeth.state = NewState(xeth, statedb)
@ -196,6 +228,44 @@ func (self *XEth) WithState(statedb *state.StateDB) *XEth {
func (self *XEth) State() *State { return self.state }
// subscribes to new head block events and
// waits until blockchain height is greater n at any time
// given the current head, waits for the next chain event
// sets the state to the current head
// loop is async and quit by closing the channel
// used in tests and JS console debug module to control advancing private chain manually
// Note: this is not threadsafe, only called in JS single process and tests
func (self *XEth) UpdateState() (wait chan *big.Int) {
wait = make(chan *big.Int)
go func() {
sub := self.backend.EventMux().Subscribe(core.ChainHeadEvent{})
var m, n *big.Int
var ok bool
out:
for {
select {
case event := <-sub.Chan():
ev, ok := event.(core.ChainHeadEvent)
if ok {
m = ev.Block.Number()
if n != nil && n.Cmp(m) < 0 {
wait <- n
n = nil
}
statedb := state.New(ev.Block.Root(), self.backend.StateDb())
self.state = NewState(self, statedb)
}
case n, ok = <-wait:
if !ok {
break out
}
}
}
sub.Unsubscribe()
}()
return
}
func (self *XEth) Whisper() *Whisper { return self.whisper }
func (self *XEth) getBlockByHeight(height int64) *types.Block {
@ -298,6 +368,23 @@ func (self *XEth) Accounts() []string {
return accountAddresses
}
// accessor for solidity compiler.
// memoized if available, retried on-demand if not
func (self *XEth) Solc() (*compiler.Solidity, error) {
var err error
if self.solc == nil {
self.solc, err = compiler.New(self.solcPath)
}
return self.solc, err
}
// set in js console via admin interface or wrapper from cli flags
func (self *XEth) SetSolc(solcPath string) (*compiler.Solidity, error) {
self.solcPath = solcPath
self.solc = nil
return self.Solc()
}
func (self *XEth) DbPut(key, val []byte) bool {
self.backend.ExtraDb().Put(key, val)
return true
@ -723,12 +810,18 @@ func (self *XEth) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, dataStr st
}
func (self *XEth) ConfirmTransaction(tx string) bool {
return self.frontend.ConfirmTransaction(tx)
}
func (self *XEth) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
// this minimalistic recoding is enough (works for natspec.js)
var jsontx = fmt.Sprintf(`{"params":[{"to":"%s","data": "%s"}]}`, toStr, codeStr)
if !self.ConfirmTransaction(jsontx) {
err := fmt.Errorf("Transaction not confirmed")
return "", err
}
var (
from = common.HexToAddress(fromStr)
to = common.HexToAddress(toStr)