Merge branch 'develop' into jsonrpc

Conflicts:
	rpc/ws/server.go

1 files changed, 292 insertions, 21 deletions

diff --git a/rpc/packages.go b/rpc/packages.go
index 700b9b2b3..ac3127356 100644
--- a/rpc/packages.go
+++ b/rpc/packages.go
@@ -26,24 +26,104 @@ For each request type, define the following:
 package rpc
 
 import (
+	"fmt"
 	"math/big"
 	"strings"
+	"sync"
 
+	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/ethutil"
+	"github.com/ethereum/go-ethereum/event/filter"
+	"github.com/ethereum/go-ethereum/state"
 	"github.com/ethereum/go-ethereum/xeth"
 )
 
-type RpcServer interface {
-	Start()
-	Stop()
+const (
+	defaultGasPrice = "10000000000000"
+	defaultGas      = "10000"
+)
+
+type EthereumApi struct {
+	xeth          *xeth.XEth
+	filterManager *filter.FilterManager
+
+	logMut sync.RWMutex
+	logs   map[int]state.Logs
+
+	messagesMut sync.RWMutex
+	messages    map[int][]xeth.WhisperMessage
+
+	db ethutil.Database
 }
 
-func NewEthereumApi(xeth *xeth.XEth) *EthereumApi {
-	return &EthereumApi{xeth: xeth}
+func NewEthereumApi(eth *xeth.XEth) *EthereumApi {
+	db, _ := ethdb.NewLDBDatabase("dapps")
+	api := &EthereumApi{
+		xeth:          eth,
+		filterManager: filter.NewFilterManager(eth.Backend().EventMux()),
+		logs:          make(map[int]state.Logs),
+		messages:      make(map[int][]xeth.WhisperMessage),
+		db:            db,
+	}
+	go api.filterManager.Start()
+
+	return api
 }
 
-type EthereumApi struct {
-	xeth *xeth.XEth
+func (self *EthereumApi) NewFilter(args *FilterOptions, reply *interface{}) error {
+	var id int
+	filter := core.NewFilter(self.xeth.Backend())
+	filter.SetOptions(toFilterOptions(args))
+	filter.LogsCallback = func(logs state.Logs) {
+		self.logMut.Lock()
+		defer self.logMut.Unlock()
+
+		self.logs[id] = append(self.logs[id], logs...)
+	}
+	id = self.filterManager.InstallFilter(filter)
+	*reply = id
+
+	return nil
+}
+
+func (self *EthereumApi) NewFilterString(args string, reply *interface{}) error {
+	var id int
+	filter := core.NewFilter(self.xeth.Backend())
+
+	callback := func(block *types.Block) {
+		self.logs[id] = append(self.logs[id], &state.StateLog{})
+	}
+	if args == "pending" {
+		filter.PendingCallback = callback
+	} else if args == "chain" {
+		filter.BlockCallback = callback
+	}
+
+	id = self.filterManager.InstallFilter(filter)
+	*reply = id
+
+	return nil
+}
+
+func (self *EthereumApi) FilterChanged(id int, reply *interface{}) error {
+	self.logMut.RLock()
+	defer self.logMut.RUnlock()
+
+	*reply = toLogs(self.logs[id])
+
+	self.logs[id] = nil // empty the logs
+
+	return nil
+}
+
+func (self *EthereumApi) Logs(id int, reply *interface{}) error {
+	filter := self.filterManager.GetFilter(id)
+	*reply = toLogs(filter.Find())
+
+	return nil
 }
 
 func (p *EthereumApi) GetBlock(args *GetBlockArgs, reply *interface{}) error {
@@ -61,22 +141,25 @@ func (p *EthereumApi) GetBlock(args *GetBlockArgs, reply *interface{}) error {
 }
 
 func (p *EthereumApi) Transact(args *NewTxArgs, reply *interface{}) error {
-	err := args.requirements()
-	if err != nil {
-		return err
+	if len(args.Gas) == 0 {
+		args.Gas = defaultGas
+	}
+
+	if len(args.GasPrice) == 0 {
+		args.GasPrice = defaultGasPrice
 	}
-	result, _ := p.xeth.Transact( /* TODO specify account */ "", args.Recipient, args.Value, args.Gas, args.GasPrice, args.Body)
+
+	result, _ := p.xeth.Transact( /* TODO specify account */ args.To, args.Value, args.Gas, args.GasPrice, args.Data)
 	*reply = result
 	return nil
 }
 
-func (p *EthereumApi) Create(args *NewTxArgs, reply *interface{}) error {
-	err := args.requirementsContract()
+func (p *EthereumApi) Call(args *NewTxArgs, reply *interface{}) error {
+	result, err := p.xeth.Call( /* TODO specify account */ args.To, args.Value, args.Gas, args.GasPrice, args.Data)
 	if err != nil {
 		return err
 	}
 
-	result, _ := p.xeth.Transact( /* TODO specify account */ "", "", args.Value, args.Gas, args.GasPrice, args.Body)
 	*reply = result
 	return nil
 }
@@ -91,7 +174,7 @@ func (p *EthereumApi) PushTx(args *PushTxArgs, reply *interface{}) error {
 	return nil
 }
 
-func (p *EthereumApi) GetStorageAt(args *GetStorageArgs, reply *interface{}) error {
+func (p *EthereumApi) GetStateAt(args *GetStateArgs, reply *interface{}) error {
 	err := args.requirements()
 	if err != nil {
 		return err
@@ -99,6 +182,7 @@ func (p *EthereumApi) GetStorageAt(args *GetStorageArgs, reply *interface{}) err
 
 	state := p.xeth.State().SafeGet(args.Address)
 
+	value := state.StorageString(args.Key)
 	var hx string
 	if strings.Index(args.Key, "0x") == 0 {
 		hx = string([]byte(args.Key)[2:])
@@ -107,9 +191,18 @@ func (p *EthereumApi) GetStorageAt(args *GetStorageArgs, reply *interface{}) err
 		i, _ := new(big.Int).SetString(args.Key, 10)
 		hx = ethutil.Bytes2Hex(i.Bytes())
 	}
-	rpclogger.Debugf("GetStorageAt(%s, %s)\n", args.Address, hx)
-	value := state.Storage(ethutil.Hex2Bytes(hx))
-	*reply = GetStorageAtRes{Address: args.Address, Key: args.Key, Value: value.Str()}
+	rpclogger.Debugf("GetStateAt(%s, %s)\n", args.Address, hx)
+	*reply = map[string]string{args.Key: value.Str()}
+	return nil
+}
+
+func (p *EthereumApi) GetStorageAt(args *GetStorageArgs, reply *interface{}) error {
+	err := args.requirements()
+	if err != nil {
+		return err
+	}
+
+	*reply = p.xeth.State().SafeGet(args.Address).Storage()
 	return nil
 }
 
@@ -128,11 +221,21 @@ func (p *EthereumApi) GetCoinbase(reply *interface{}) error {
 	return nil
 }
 
+func (p *EthereumApi) Accounts(reply *interface{}) error {
+	*reply = p.xeth.Accounts()
+	return nil
+}
+
 func (p *EthereumApi) GetIsMining(reply *interface{}) error {
 	*reply = p.xeth.IsMining()
 	return nil
 }
 
+func (p *EthereumApi) BlockNumber(reply *interface{}) error {
+	*reply = p.xeth.Backend().ChainManager().CurrentBlock().Number()
+	return nil
+}
+
 func (p *EthereumApi) GetTxCountAt(args *GetTxCountArgs, reply *interface{}) error {
 	err := args.requirements()
 	if err != nil {
@@ -148,7 +251,7 @@ func (p *EthereumApi) GetBalanceAt(args *GetBalanceArgs, reply *interface{}) err
 		return err
 	}
 	state := p.xeth.State().SafeGet(args.Address)
-	*reply = BalanceRes{Balance: state.Balance().String(), Address: args.Address}
+	*reply = toHex(state.Balance().Bytes())
 	return nil
 }
 
@@ -161,6 +264,81 @@ func (p *EthereumApi) GetCodeAt(args *GetCodeAtArgs, reply *interface{}) error {
 	return nil
 }
 
+func (p *EthereumApi) Sha3(args *Sha3Args, reply *interface{}) error {
+	*reply = toHex(crypto.Sha3(fromHex(args.Data)))
+	return nil
+}
+
+func (p *EthereumApi) DbPut(args *DbArgs, reply *interface{}) error {
+	err := args.requirements()
+	if err != nil {
+		return err
+	}
+
+	p.db.Put([]byte(args.Database+args.Key), []byte(args.Value))
+	*reply = true
+	return nil
+}
+
+func (p *EthereumApi) DbGet(args *DbArgs, reply *interface{}) error {
+	err := args.requirements()
+	if err != nil {
+		return err
+	}
+
+	res, _ := p.db.Get([]byte(args.Database + args.Key))
+	*reply = string(res)
+	return nil
+}
+
+func (p *EthereumApi) NewWhisperIdentity(reply *interface{}) error {
+	*reply = p.xeth.Whisper().NewIdentity()
+	return nil
+}
+
+func (p *EthereumApi) NewWhisperFilter(args *xeth.Options, reply *interface{}) error {
+	var id int
+	args.Fn = func(msg xeth.WhisperMessage) {
+		p.messagesMut.Lock()
+		defer p.messagesMut.Unlock()
+		p.messages[id] = append(p.messages[id], msg)
+	}
+	id = p.xeth.Whisper().Watch(args)
+	*reply = id
+	return nil
+}
+
+func (self *EthereumApi) MessagesChanged(id int, reply *interface{}) error {
+	self.messagesMut.RLock()
+	defer self.messagesMut.RUnlock()
+
+	*reply = self.messages[id]
+
+	self.messages[id] = nil // empty the messages
+
+	return nil
+}
+
+func (p *EthereumApi) WhisperPost(args *WhisperMessageArgs, reply *interface{}) error {
+	err := p.xeth.Whisper().Post(args.Payload, args.To, args.From, args.Topics, args.Priority, args.Ttl)
+	if err != nil {
+		return err
+	}
+
+	*reply = true
+	return nil
+}
+
+func (p *EthereumApi) HasWhisperIdentity(args string, reply *interface{}) error {
+	*reply = p.xeth.Whisper().HasIdentity(args)
+	return nil
+}
+
+func (p *EthereumApi) WhisperMessages(id int, reply *interface{}) error {
+	*reply = p.xeth.Whisper().Messages(id)
+	return nil
+}
+
 func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error {
 	// Spec at https://github.com/ethereum/wiki/wiki/Generic-ON-RPC
 	rpclogger.DebugDetailf("%T %s", req.Params, req.Params)
@@ -173,6 +351,10 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
 		return p.GetIsMining(reply)
 	case "eth_peerCount":
 		return p.GetPeerCount(reply)
+	case "eth_number":
+		return p.BlockNumber(reply)
+	case "eth_accounts":
+		return p.Accounts(reply)
 	case "eth_countAt":
 		args, err := req.ToGetTxCountArgs()
 		if err != nil {
@@ -192,7 +374,13 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
 		}
 		return p.GetBalanceAt(args, reply)
 	case "eth_stateAt":
-		args, err := req.ToGetStorageArgs()
+		args, err := req.ToGetStateArgs()
+		if err != nil {
+			return err
+		}
+		return p.GetStateAt(args, reply)
+	case "eth_storageAt":
+		args, err := req.ToStorageAtArgs()
 		if err != nil {
 			return err
 		}
@@ -203,8 +391,91 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
 			return err
 		}
 		return p.GetBlock(args, reply)
+	case "eth_transact":
+		args, err := req.ToNewTxArgs()
+		if err != nil {
+			return err
+		}
+		return p.Transact(args, reply)
+	case "eth_call":
+		args, err := req.ToNewTxArgs()
+		if err != nil {
+			return err
+		}
+		return p.Call(args, reply)
+	case "eth_newFilter":
+		args, err := req.ToFilterArgs()
+		if err != nil {
+			return err
+		}
+		return p.NewFilter(args, reply)
+	case "eth_newFilterString":
+		args, err := req.ToFilterStringArgs()
+		if err != nil {
+			return err
+		}
+		return p.NewFilterString(args, reply)
+	case "eth_changed":
+		args, err := req.ToFilterChangedArgs()
+		if err != nil {
+			return err
+		}
+		return p.FilterChanged(args, reply)
+	case "eth_gasPrice":
+		*reply = defaultGasPrice
+		return nil
+	case "web3_sha3":
+		args, err := req.ToSha3Args()
+		if err != nil {
+			return err
+		}
+		return p.Sha3(args, reply)
+	case "db_put":
+		args, err := req.ToDbPutArgs()
+		if err != nil {
+			return err
+		}
+		return p.DbPut(args, reply)
+	case "db_get":
+		args, err := req.ToDbGetArgs()
+		if err != nil {
+			return err
+		}
+		return p.DbGet(args, reply)
+	case "shh_newIdentity":
+		return p.NewWhisperIdentity(reply)
+	case "shh_newFilter":
+		args, err := req.ToWhisperFilterArgs()
+		if err != nil {
+			return err
+		}
+		return p.NewWhisperFilter(args, reply)
+	case "shh_changed":
+		args, err := req.ToWhisperIdArgs()
+		if err != nil {
+			return err
+		}
+		return p.MessagesChanged(args, reply)
+	case "shh_post":
+		args, err := req.ToWhisperPostArgs()
+		if err != nil {
+			return err
+		}
+		return p.WhisperPost(args, reply)
+	case "shh_haveIdentity":
+		args, err := req.ToWhisperHasIdentityArgs()
+		if err != nil {
+			return err
+		}
+		return p.HasWhisperIdentity(args, reply)
+	case "shh_getMessages":
+		args, err := req.ToWhisperIdArgs()
+		if err != nil {
+			return err
+		}
+		return p.WhisperMessages(args, reply)
 	default:
-		return NewErrorResponse(ErrorNotImplemented)
+		return NewErrorResponse(fmt.Sprintf("%v %s", ErrorNotImplemented, req.Method))
 	}
 
 	rpclogger.DebugDetailf("Reply: %T %s", reply, reply)