cerc-io/plugeth
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Added eth_logs & fixed issue with manual log filtering

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* Implemented `eth_logs`
* Fixed issue with `filter.Find()` where logs were appended to an
  incorrect, non-returned slice resulting in no logs found
This commit is contained in:
obscuren 2015-02-22 13:12:01 +01:00
parent bba7ccb07f
commit 483d96a89d
6 changed files with 40 additions and 33 deletions
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23
cmd/mist/assets/examples/coin.html
View File

@ -14,8 +14,9 @@
</div>
<div>
<span class="amount">Amount:</span>
<span>Address:</span>
<input type="text" id="address" style="width:200px">
<span>Amount:</span>
<input type="text" id="amount" style="width:200px">
<button onclick="transact()">Send</button>
</div>
@ -58,7 +59,7 @@
}],
"outputs": []
}, {
"name":"received",
"name":"Changed",
"type":"event",
"inputs": [
{"name":"from","type":"address","indexed":true},
@ -69,18 +70,14 @@
var address = localStorage.getItem("address");
// deploy if not exist
if (address == null) {
var code = "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";
var code = "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";
address = web3.eth.transact({data: code});
localStorage.setItem("address", address);
}
document.querySelector("#contract_addr").innerHTML = address.toUpperCase();
document.querySelector("#contract_addr").innerHTML = address;
var contract = web3.eth.contract(address, desc);
contract.received({from: eth.coinbase}).changed(function() {
refresh();
});
eth.watch('chain').changed(function() {
contract.Changed({from: eth.coinbase}).changed(function() {
refresh();
});
@ -93,7 +90,7 @@
var storage = eth.storageAt(address);
table.innerHTML = "";
for( var item in storage ) {
table.innerHTML += "<tr><td>"+item.toUpperCase()+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>";
table.innerHTML += "<tr><td>"+item+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>";
}
}
@ -106,6 +103,7 @@
}
var value = parseInt( document.querySelector("#amount").value );
console.log("transact: ", to, " => ", value)
contract.send( to, value );
}
@ -121,7 +119,7 @@ contract JevCoin {
balances[msg.sender] = 1000000;
}
event changed(address indexed from, address indexed to);
event Changed(address indexed from, uint indexed amount);
function send(address to, uint value)
{
if( balances[msg.sender] < value ) return;
@ -129,7 +127,8 @@ contract JevCoin {
balances[msg.sender] -= value;
balances[to] += value;
changed(msg.sender, to);
Changed(msg.sender, value);
Changed(to, value);
}
function balance(address who) constant returns(uint t)

2
cmd/utils/cmd.go
View File

@ -272,7 +272,7 @@ func BlockDo(ethereum *eth.Ethereum, hash []byte) error {
parent := ethereum.ChainManager().GetBlock(block.ParentHash())
statedb := state.New(parent.Root(), ethereum.Db())
_, err := ethereum.BlockProcessor().TransitionState(statedb, parent, block)
_, err := ethereum.BlockProcessor().TransitionState(statedb, parent, block, true)
if err != nil {
return err
}

14
core/block_processor.go
View File

@ -60,12 +60,12 @@ func NewBlockProcessor(db ethutil.Database, txpool *TxPool, chainManager *ChainM
return sm
}
func (sm *BlockProcessor) TransitionState(statedb *state.StateDB, parent, block *types.Block) (receipts types.Receipts, err error) {
func (sm *BlockProcessor) TransitionState(statedb *state.StateDB, parent, block *types.Block, transientProcess bool) (receipts types.Receipts, err error) {
coinbase := statedb.GetOrNewStateObject(block.Header().Coinbase)
coinbase.SetGasPool(CalcGasLimit(parent, block))
// Process the transactions on to parent state
receipts, _, _, _, err = sm.ApplyTransactions(coinbase, statedb, block, block.Transactions(), false)
receipts, _, _, _, err = sm.ApplyTransactions(coinbase, statedb, block, block.Transactions(), transientProcess)
if err != nil {
return nil, err
}
@ -100,9 +100,8 @@ func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, stated
// Notify all subscribers
if !transientProcess {
go self.eventMux.Post(TxPostEvent{tx})
}
go self.eventMux.Post(statedb.Logs())
}
return receipt, txGas, err
}
@ -179,7 +178,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
return
}
receipts, err := sm.TransitionState(state, parent, block)
receipts, err := sm.TransitionState(state, parent, block, false)
if err != nil {
return
}
@ -316,13 +315,10 @@ func (sm *BlockProcessor) GetLogs(block *types.Block) (logs state.Logs, err erro
var (
parent = sm.bc.GetBlock(block.Header().ParentHash)
//state = state.New(parent.Trie().Copy())
state = state.New(parent.Root(), sm.db)
)
defer state.Reset()
sm.TransitionState(state, parent, block)
sm.TransitionState(state, parent, block, true)
sm.AccumulateRewards(state, block, parent)
return state.Logs(), nil

5
core/filter.go
View File

@ -111,14 +111,14 @@ func (self *Filter) Find() state.Logs {
// current parameters
if self.bloomFilter(block) {
// Get the logs of the block
logs, err := self.eth.BlockProcessor().GetLogs(block)
unfiltered, err := self.eth.BlockProcessor().GetLogs(block)
if err != nil {
chainlogger.Warnln("err: filter get logs ", err)
break
}
logs = append(logs, self.FilterLogs(logs)...)
logs = append(logs, self.FilterLogs(unfiltered)...)
}
block = self.eth.ChainManager().GetBlock(block.ParentHash())
@ -146,7 +146,6 @@ func (self *Filter) FilterLogs(logs state.Logs) state.Logs {
Logs:
for _, log := range logs {
if !includes(self.address, log.Address()) {
//if !bytes.Equal(self.address, log.Address()) {
continue
}

15
rpc/packages.go
View File

@ -167,6 +167,15 @@ func (self *EthereumApi) Logs(id int, reply *interface{}) error {
return nil
}
func (self *EthereumApi) AllLogs(args *FilterOptions, reply *interface{}) error {
filter := core.NewFilter(self.xeth.Backend())
filter.SetOptions(toFilterOptions(args))
*reply = toLogs(filter.Find())
return nil
}
func (p *EthereumApi) GetBlock(args *GetBlockArgs, reply *interface{}) error {
err := args.requirements()
if err != nil {
@ -509,6 +518,12 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
return err
}
return p.Logs(args, reply)
case "eth_logs":
args, err := req.ToFilterArgs()
if err != nil {
return err
}
return p.AllLogs(args, reply)
case "eth_gasPrice":
*reply = defaultGasPrice
return nil

2
xeth/xeth.go
View File

@ -288,13 +288,11 @@ func (self *XEth) Transact(toStr, valueStr, gasStr, gasPriceStr, codeStr string)
//fmt.Printf("create tx: %x %v\n", tx.Hash()[:4], tx.Nonce())
/*
// Do some pre processing for our "pre" events and hooks
block := self.chainManager.NewBlock(key.Address())
coinbase := state.GetOrNewStateObject(key.Address())
coinbase.SetGasPool(block.GasLimit())
self.blockProcessor.ApplyTransactions(coinbase, state, block, types.Transactions{tx}, true)
*/
err = self.eth.TxPool().Add(tx)
if err != nil {