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go-ethereum
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fixed state object changes for eth api

This commit is contained in:
obscuren 2014-04-30 14:42:57 +02:00
parent e85d5dd428
commit 183dbcc6a0
6 changed files with 98 additions and 58 deletions
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14
ethereal/assets/ethereum.js
View File

@ -42,13 +42,13 @@ window.eth = {
},
watch: function(address, storageAddrOrCb, cb) {
var ev = "changed:"+address;
var ev;
if(cb === undefined) {
cb = storageAddrOrCb;
storageAddrOrCb = "";
ev = "object:"+address;
} else {
ev += ":"+storageAddrOrCb;
ev = "storage:"+address+":"+storageAddrOrCb;
}
eth.on(ev, cb)
@ -57,13 +57,13 @@ window.eth = {
},
disconnect: function(address, storageAddrOrCb, cb) {
var ev = "changed:"+address;
var ev;
if(cb === undefined) {
cb = storageAddrOrCb;
storageAddrOrCb = null;
storageAddrOrCb = "";
ev = "object:"+address;
} else {
ev += ":"+storageAddrOrCb;
ev = "storage:"+address+":"+storageAddrOrCb;
}
eth.off(ev, cb)

5
ethereal/assets/qml/webapp.qml
View File

@ -58,8 +58,7 @@ ApplicationWindow {
case "transact":
require(5)
// TODO this will change to 6 soon with sec being teh first argument
var tx = eth.transact(data.args[0], data.args[1],data.args[2],data.args[3],data.args[4])
var tx = eth.transact(data.args[0], data.args[1], data.args[2],data.args[3],data.args[4],data.args[5])
postData(data._seed, tx)
break
case "create":
@ -116,7 +115,7 @@ ApplicationWindow {
postEvent("block:new", block)
}
function onObjectChangeCb(stateObject) {
postEvent("object:change", stateObject)
postEvent("object:"+stateObject.address(), stateObject)
}
}

3
ethereal/assets/samplecoin.html
View File

@ -9,7 +9,7 @@ function createTransaction() {
var amount = document.querySelector("#amount").value;
var data = "0x" + addr + "\n" + amount
eth.createTx(jefcoinAddr, 0, "10000000", "250", data, function(tx) {
eth.transact("", jefcoinAddr, 0, "10000000", "250", data, function(tx) {
debug("received tx hash:", tx)
})
}
@ -28,7 +28,6 @@ function init() {
});
eth.watch(jefcoinAddr, function(stateObject) {
debug(stateObject);
eth.getStorage(jefcoinAddr, key, function(storage) {
document.querySelector("#currentAmount").innerHTML = "Amount: " + storage;
});

62
ethereal/ui/ext_app.go
View File

@ -5,8 +5,10 @@ import (
"github.com/ethereum/eth-go"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/go-ethereum/utils"
"github.com/go-qml/qml"
"math/big"
"strings"
)
type AppContainer interface {
@ -116,10 +118,10 @@ out:
func (app *ExtApplication) Watch(addr, storageAddr string) {
var event string
if len(storageAddr) == 0 {
event = "storage:" + string(ethutil.FromHex(addr)) + ":" + string(ethutil.FromHex(storageAddr))
event = "object:" + string(ethutil.FromHex(addr))
app.lib.eth.Reactor().Subscribe(event, app.changeChan)
} else {
event = "object:" + string(ethutil.FromHex(addr))
event = "storage:" + string(ethutil.FromHex(addr)) + ":" + string(ethutil.FromHex(storageAddr))
app.lib.eth.Reactor().Subscribe(event, app.changeChan)
}
@ -152,24 +154,66 @@ func (lib *QEthereum) GetKey() string {
return ethutil.Hex(ethutil.Config.Db.GetKeys()[0].Address())
}
func (lib *QEthereum) GetStateObject(address string) *Contract {
func (lib *QEthereum) GetStateObject(address string) *QStateObject {
stateObject := lib.stateManager.ProcState().GetContract(ethutil.FromHex(address))
if stateObject != nil {
return NewContract(stateObject)
return NewQStateObject(stateObject)
}
// See GetStorage for explanation on "nil"
return NewContract(nil)
return NewQStateObject(nil)
}
func (lib *QEthereum) Watch(addr, storageAddr string) {
// lib.stateManager.Watch(ethutil.FromHex(addr), ethutil.FromHex(storageAddr))
}
func (lib *QEthereum) CreateTx(recipient, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
return lib.Transact(recipient, valueStr, gasStr, gasPriceStr, dataStr)
func (lib *QEthereum) CreateTx(key, recipient, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
return lib.Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr)
}
func (lib *QEthereum) Transact(recipient, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
return "", nil
func (lib *QEthereum) Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
var hash []byte
var contractCreation bool
if len(recipient) == 0 {
contractCreation = true
} else {
hash = ethutil.FromHex(recipient)
}
keyPair := ethutil.Config.Db.GetKeys()[0]
value := ethutil.Big(valueStr)
gas := ethutil.Big(gasStr)
gasPrice := ethutil.Big(gasPriceStr)
var tx *ethchain.Transaction
// Compile and assemble the given data
if contractCreation {
// Compile script
mainScript, initScript, err := utils.CompileScript(dataStr)
if err != nil {
return "", err
}
tx = ethchain.NewContractCreationTx(value, gas, gasPrice, mainScript, initScript)
} else {
lines := strings.Split(dataStr, "\n")
var data []byte
for _, line := range lines {
data = append(data, ethutil.BigToBytes(ethutil.Big(line), 256)...)
}
tx = ethchain.NewTransactionMessage(hash, value, gas, gasPrice, data)
}
acc := lib.stateManager.GetAddrState(keyPair.Address())
tx.Nonce = acc.Nonce
tx.Sign(keyPair.PrivateKey)
lib.txPool.QueueTransaction(tx)
if contractCreation {
ethutil.Config.Log.Infof("Contract addr %x", tx.Hash()[12:])
} else {
ethutil.Config.Log.Infof("Tx hash %x", tx.Hash())
}
return ethutil.Hex(tx.Hash()), nil
}

35
ethereal/ui/library.go
View File

@ -10,35 +10,6 @@ import (
"strings"
)
type Contract struct {
object *ethchain.StateObject
}
func NewContract(object *ethchain.StateObject) *Contract {
return &Contract{object: object}
}
func (c *Contract) GetStorage(address string) string {
// Because somehow, even if you return nil to QML it
// still has some magical object so we can't rely on
// undefined or null at the QML side
if c.object != nil {
val := c.object.GetMem(ethutil.Big("0x" + address))
return val.BigInt().String()
}
return ""
}
func (c *Contract) Value() string {
if c.object != nil {
return c.object.Amount.String()
}
return ""
}
type EthLib struct {
stateManager *ethchain.StateManager
blockChain *ethchain.BlockChain
@ -76,14 +47,14 @@ func (lib *EthLib) GetKey() string {
return ethutil.Hex(ethutil.Config.Db.GetKeys()[0].Address())
}
func (lib *EthLib) GetStateObject(address string) *Contract {
func (lib *EthLib) GetStateObject(address string) *QStateObject {
stateObject := lib.stateManager.ProcState().GetContract(ethutil.FromHex(address))
if stateObject != nil {
return NewContract(stateObject)
return NewQStateObject(stateObject)
}
// See GetStorage for explanation on "nil"
return NewContract(nil)
return NewQStateObject(nil)
}
func (lib *EthLib) Watch(addr, storageAddr string) {

37
ethereal/ui/types.go
View File

@ -46,11 +46,38 @@ func NewQKeyRing(keys []interface{}) *QKeyRing {
}
type QStateObject struct {
Address string
Amount string
Nonce int
object *ethchain.StateObject
}
func NewQStateObject(stateObject *ethchain.StateObject) *QStateObject {
return &QStateObject{ethutil.Hex(stateObject.Address()), stateObject.Amount.String(), int(stateObject.Nonce)}
func NewQStateObject(object *ethchain.StateObject) *QStateObject {
return &QStateObject{object: object}
}
func (c *QStateObject) GetStorage(address string) string {
// Because somehow, even if you return nil to QML it
// still has some magical object so we can't rely on
// undefined or null at the QML side
if c.object != nil {
val := c.object.GetMem(ethutil.Big("0x" + address))
return val.BigInt().String()
}
return ""
}
func (c *QStateObject) Value() string {
if c.object != nil {
return c.object.Amount.String()
}
return ""
}
func (c *QStateObject) Address() string {
if c.object != nil {
return ethutil.Hex(c.object.Address())
}
return ""
}