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@@ -0,0 +1,1542 @@
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+// Copyright 2016 The go-ethereum Authors
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+// This file is part of the go-ethereum library.
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+//
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+// The go-ethereum library is free software: you can redistribute it and/or modify
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+// it under the terms of the GNU Lesser General Public License as published by
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+// the Free Software Foundation, either version 3 of the License, or
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+// (at your option) any later version.
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+//
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+// The go-ethereum library is distributed in the hope that it will be useful,
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+// but WITHOUT ANY WARRANTY; without even the implied warranty of
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+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+// GNU Lesser General Public License for more details.
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+//
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+// You should have received a copy of the GNU Lesser General Public License
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+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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+
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+package ethapi
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+
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+import (
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+ "bytes"
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+ "encoding/hex"
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+ "encoding/json"
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+ "errors"
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+ "fmt"
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+ "math/big"
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+ "strings"
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+ "sync"
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+ "time"
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+
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+ "github.com/ethereum/ethash"
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+ "github.com/ethereum/go-ethereum/accounts"
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+ "github.com/ethereum/go-ethereum/common"
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+ "github.com/ethereum/go-ethereum/common/compiler"
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+ "github.com/ethereum/go-ethereum/core"
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+ "github.com/ethereum/go-ethereum/core/types"
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+ "github.com/ethereum/go-ethereum/core/vm"
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+ "github.com/ethereum/go-ethereum/crypto"
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+ "github.com/ethereum/go-ethereum/ethdb"
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+ "github.com/ethereum/go-ethereum/logger"
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+ "github.com/ethereum/go-ethereum/logger/glog"
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+ "github.com/ethereum/go-ethereum/p2p"
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+ "github.com/ethereum/go-ethereum/rlp"
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+ "github.com/ethereum/go-ethereum/rpc"
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+ "github.com/syndtr/goleveldb/leveldb"
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+ "golang.org/x/net/context"
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+)
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+
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+const defaultGas = uint64(90000)
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+
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+// PublicEthereumAPI provides an API to access Ethereum related information.
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+// It offers only methods that operate on public data that is freely available to anyone.
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+type PublicEthereumAPI struct {
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+ b Backend
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+ solcPath *string
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+ solc **compiler.Solidity
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+}
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+
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+// NewPublicEthereumAPI creates a new Etheruem protocol API.
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+func NewPublicEthereumAPI(b Backend, solcPath *string, solc **compiler.Solidity) *PublicEthereumAPI {
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+ return &PublicEthereumAPI{b, solcPath, solc}
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+}
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+
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+// GasPrice returns a suggestion for a gas price.
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+func (s *PublicEthereumAPI) GasPrice(ctx context.Context) (*big.Int, error) {
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+ return s.b.SuggestPrice(ctx)
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+}
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+
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+func (s *PublicEthereumAPI) getSolc() (*compiler.Solidity, error) {
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+ var err error
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+ solc := *s.solc
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+ if solc == nil {
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+ solc, err = compiler.New(*s.solcPath)
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+ }
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+ return solc, err
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+}
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+
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+// GetCompilers returns the collection of available smart contract compilers
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+func (s *PublicEthereumAPI) GetCompilers() ([]string, error) {
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+ solc, err := s.getSolc()
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+ if err == nil && solc != nil {
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+ return []string{"Solidity"}, nil
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+ }
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+
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+ return []string{}, nil
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+}
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+
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+// CompileSolidity compiles the given solidity source
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+func (s *PublicEthereumAPI) CompileSolidity(source string) (map[string]*compiler.Contract, error) {
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+ solc, err := s.getSolc()
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+ if err != nil {
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+ return nil, err
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+ }
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+
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+ if solc == nil {
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+ return nil, errors.New("solc (solidity compiler) not found")
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+ }
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+
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+ return solc.Compile(source)
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+}
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+
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+// ProtocolVersion returns the current Ethereum protocol version this node supports
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+func (s *PublicEthereumAPI) ProtocolVersion() *rpc.HexNumber {
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+ return rpc.NewHexNumber(s.b.ProtocolVersion())
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+}
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+
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+// Syncing returns false in case the node is currently not syncing with the network. It can be up to date or has not
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+// yet received the latest block headers from its pears. In case it is synchronizing:
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+// - startingBlock: block number this node started to synchronise from
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+// - currentBlock: block number this node is currently importing
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+// - highestBlock: block number of the highest block header this node has received from peers
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+// - pulledStates: number of state entries processed until now
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+// - knownStates: number of known state entries that still need to be pulled
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+func (s *PublicEthereumAPI) Syncing() (interface{}, error) {
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+ origin, current, height, pulled, known := s.b.Downloader().Progress()
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+
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+ // Return not syncing if the synchronisation already completed
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+ if current >= height {
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+ return false, nil
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+ }
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+ // Otherwise gather the block sync stats
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+ return map[string]interface{}{
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+ "startingBlock": rpc.NewHexNumber(origin),
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+ "currentBlock": rpc.NewHexNumber(current),
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+ "highestBlock": rpc.NewHexNumber(height),
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+ "pulledStates": rpc.NewHexNumber(pulled),
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+ "knownStates": rpc.NewHexNumber(known),
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+ }, nil
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+}
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+
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+// PublicTxPoolAPI offers and API for the transaction pool. It only operates on data that is non confidential.
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+type PublicTxPoolAPI struct {
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+ b Backend
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+}
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+
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+// NewPublicTxPoolAPI creates a new tx pool service that gives information about the transaction pool.
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+func NewPublicTxPoolAPI(b Backend) *PublicTxPoolAPI {
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+ return &PublicTxPoolAPI{b}
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+}
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+
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+// Content returns the transactions contained within the transaction pool.
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+func (s *PublicTxPoolAPI) Content() map[string]map[string]map[string][]*RPCTransaction {
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+ content := map[string]map[string]map[string][]*RPCTransaction{
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+ "pending": make(map[string]map[string][]*RPCTransaction),
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+ "queued": make(map[string]map[string][]*RPCTransaction),
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+ }
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+ pending, queue := s.b.TxPoolContent()
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+
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+ // Flatten the pending transactions
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+ for account, batches := range pending {
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+ dump := make(map[string][]*RPCTransaction)
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+ for nonce, txs := range batches {
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+ nonce := fmt.Sprintf("%d", nonce)
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+ for _, tx := range txs {
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+ dump[nonce] = append(dump[nonce], newRPCPendingTransaction(tx))
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+ }
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+ }
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+ content["pending"][account.Hex()] = dump
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+ }
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+ // Flatten the queued transactions
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+ for account, batches := range queue {
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+ dump := make(map[string][]*RPCTransaction)
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+ for nonce, txs := range batches {
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+ nonce := fmt.Sprintf("%d", nonce)
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+ for _, tx := range txs {
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+ dump[nonce] = append(dump[nonce], newRPCPendingTransaction(tx))
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+ }
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+ }
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+ content["queued"][account.Hex()] = dump
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+ }
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+ return content
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+}
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+
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+// Status returns the number of pending and queued transaction in the pool.
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+func (s *PublicTxPoolAPI) Status() map[string]*rpc.HexNumber {
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+ pending, queue := s.b.Stats()
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+ return map[string]*rpc.HexNumber{
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+ "pending": rpc.NewHexNumber(pending),
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+ "queued": rpc.NewHexNumber(queue),
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+ }
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+}
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+
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+// Inspect retrieves the content of the transaction pool and flattens it into an
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+// easily inspectable list.
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+func (s *PublicTxPoolAPI) Inspect() map[string]map[string]map[string][]string {
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+ content := map[string]map[string]map[string][]string{
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+ "pending": make(map[string]map[string][]string),
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+ "queued": make(map[string]map[string][]string),
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+ }
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+ pending, queue := s.b.TxPoolContent()
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+
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+ // Define a formatter to flatten a transaction into a string
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+ var format = func(tx *types.Transaction) string {
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+ if to := tx.To(); to != nil {
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+ return fmt.Sprintf("%s: %v wei + %v × %v gas", tx.To().Hex(), tx.Value(), tx.Gas(), tx.GasPrice())
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+ }
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+ return fmt.Sprintf("contract creation: %v wei + %v × %v gas", tx.Value(), tx.Gas(), tx.GasPrice())
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+ }
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+ // Flatten the pending transactions
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+ for account, batches := range pending {
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+ dump := make(map[string][]string)
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+ for nonce, txs := range batches {
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+ nonce := fmt.Sprintf("%d", nonce)
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+ for _, tx := range txs {
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+ dump[nonce] = append(dump[nonce], format(tx))
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+ }
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+ }
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+ content["pending"][account.Hex()] = dump
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+ }
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+ // Flatten the queued transactions
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+ for account, batches := range queue {
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+ dump := make(map[string][]string)
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+ for nonce, txs := range batches {
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+ nonce := fmt.Sprintf("%d", nonce)
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+ for _, tx := range txs {
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+ dump[nonce] = append(dump[nonce], format(tx))
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+ }
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+ }
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+ content["queued"][account.Hex()] = dump
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+ }
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+ return content
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+}
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+
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+// PublicAccountAPI provides an API to access accounts managed by this node.
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+// It offers only methods that can retrieve accounts.
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+type PublicAccountAPI struct {
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+ am *accounts.Manager
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+}
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+
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+// NewPublicAccountAPI creates a new PublicAccountAPI.
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+func NewPublicAccountAPI(am *accounts.Manager) *PublicAccountAPI {
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+ return &PublicAccountAPI{am: am}
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+}
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+
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+// Accounts returns the collection of accounts this node manages
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+func (s *PublicAccountAPI) Accounts() []accounts.Account {
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+ return s.am.Accounts()
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+}
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+
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+// PrivateAccountAPI provides an API to access accounts managed by this node.
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+// It offers methods to create, (un)lock en list accounts. Some methods accept
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+// passwords and are therefore considered private by default.
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+type PrivateAccountAPI struct {
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+ am *accounts.Manager
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+ b Backend
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+}
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+
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+// NewPrivateAccountAPI create a new PrivateAccountAPI.
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+func NewPrivateAccountAPI(b Backend) *PrivateAccountAPI {
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+ return &PrivateAccountAPI{
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+ am: b.AccountManager(),
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+ b: b,
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+ }
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+}
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+
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+// ListAccounts will return a list of addresses for accounts this node manages.
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+func (s *PrivateAccountAPI) ListAccounts() []common.Address {
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+ accounts := s.am.Accounts()
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+ addresses := make([]common.Address, len(accounts))
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+ for i, acc := range accounts {
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+ addresses[i] = acc.Address
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+ }
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+ return addresses
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+}
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+
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+// NewAccount will create a new account and returns the address for the new account.
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+func (s *PrivateAccountAPI) NewAccount(password string) (common.Address, error) {
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+ acc, err := s.am.NewAccount(password)
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+ if err == nil {
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+ return acc.Address, nil
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+ }
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+ return common.Address{}, err
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+}
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+
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+// ImportRawKey stores the given hex encoded ECDSA key into the key directory,
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+// encrypting it with the passphrase.
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+func (s *PrivateAccountAPI) ImportRawKey(privkey string, password string) (common.Address, error) {
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+ hexkey, err := hex.DecodeString(privkey)
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+ if err != nil {
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+ return common.Address{}, err
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+ }
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+
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+ acc, err := s.am.ImportECDSA(crypto.ToECDSA(hexkey), password)
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+ return acc.Address, err
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+}
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+
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+// UnlockAccount will unlock the account associated with the given address with
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+// the given password for duration seconds. If duration is nil it will use a
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+// default of 300 seconds. It returns an indication if the account was unlocked.
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+func (s *PrivateAccountAPI) UnlockAccount(addr common.Address, password string, duration *rpc.HexNumber) (bool, error) {
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+ if duration == nil {
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+ duration = rpc.NewHexNumber(300)
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+ }
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+ a := accounts.Account{Address: addr}
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+ d := time.Duration(duration.Int64()) * time.Second
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+ if err := s.am.TimedUnlock(a, password, d); err != nil {
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+ return false, err
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+ }
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+ return true, nil
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+}
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+
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+// LockAccount will lock the account associated with the given address when it's unlocked.
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+func (s *PrivateAccountAPI) LockAccount(addr common.Address) bool {
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+ return s.am.Lock(addr) == nil
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+}
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+
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+// SignAndSendTransaction will create a transaction from the given arguments and
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+// tries to sign it with the key associated with args.To. If the given passwd isn't
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+// able to decrypt the key it fails.
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+func (s *PrivateAccountAPI) SignAndSendTransaction(ctx context.Context, args SendTxArgs, passwd string) (common.Hash, error) {
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+ var err error
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+ args, err = prepareSendTxArgs(ctx, args, s.b)
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+ if err != nil {
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+ return common.Hash{}, err
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+ }
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+
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+ if args.Nonce == nil {
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+ nonce, err := s.b.GetPoolNonce(ctx, args.From)
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+ if err != nil {
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+ return common.Hash{}, err
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+ }
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+ args.Nonce = rpc.NewHexNumber(nonce)
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+ }
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+
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+ var tx *types.Transaction
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+ if args.To == nil {
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+ tx = types.NewContractCreation(args.Nonce.Uint64(), args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
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+ } else {
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+ tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
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+ }
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+
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+ signature, err := s.am.SignWithPassphrase(args.From, passwd, tx.SigHash().Bytes())
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+ if err != nil {
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+ return common.Hash{}, err
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+ }
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+
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+ return submitTransaction(ctx, s.b, tx, signature)
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+}
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+
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+// PublicBlockChainAPI provides an API to access the Ethereum blockchain.
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+// It offers only methods that operate on public data that is freely available to anyone.
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+type PublicBlockChainAPI struct {
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+ b Backend
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+ muNewBlockSubscriptions sync.Mutex // protects newBlocksSubscriptions
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+ newBlockSubscriptions map[string]func(core.ChainEvent) error // callbacks for new block subscriptions
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+}
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+
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+// NewPublicBlockChainAPI creates a new Etheruem blockchain API.
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+func NewPublicBlockChainAPI(b Backend) *PublicBlockChainAPI {
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+ api := &PublicBlockChainAPI{
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+ b: b,
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+ newBlockSubscriptions: make(map[string]func(core.ChainEvent) error),
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+ }
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+
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+ go api.subscriptionLoop()
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+
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+ return api
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+}
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+
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+// subscriptionLoop reads events from the global event mux and creates notifications for the matched subscriptions.
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+func (s *PublicBlockChainAPI) subscriptionLoop() {
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+ sub := s.b.EventMux().Subscribe(core.ChainEvent{})
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+ for event := range sub.Chan() {
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+ if chainEvent, ok := event.Data.(core.ChainEvent); ok {
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+ s.muNewBlockSubscriptions.Lock()
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+ for id, notifyOf := range s.newBlockSubscriptions {
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+ if notifyOf(chainEvent) == rpc.ErrNotificationNotFound {
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+ delete(s.newBlockSubscriptions, id)
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+ }
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+ }
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+ s.muNewBlockSubscriptions.Unlock()
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+ }
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+ }
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+}
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+
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+// BlockNumber returns the block number of the chain head.
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+func (s *PublicBlockChainAPI) BlockNumber() *big.Int {
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+ return s.b.HeaderByNumber(rpc.LatestBlockNumber).Number
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+}
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+
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+// GetBalance returns the amount of wei for the given address in the state of the
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+// given block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta
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+// block numbers are also allowed.
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+func (s *PublicBlockChainAPI) GetBalance(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (*big.Int, error) {
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+ state, _, err := s.b.StateAndHeaderByNumber(blockNr)
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+ if state == nil || err != nil {
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+ return nil, err
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+ }
|
|
|
+
|
|
|
+ return state.GetBalance(ctx, address)
|
|
|
+}
|
|
|
+
|
|
|
+// GetBlockByNumber returns the requested block. When blockNr is -1 the chain head is returned. When fullTx is true all
|
|
|
+// transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
|
|
|
+func (s *PublicBlockChainAPI) GetBlockByNumber(ctx context.Context, blockNr rpc.BlockNumber, fullTx bool) (map[string]interface{}, error) {
|
|
|
+ block, err := s.b.BlockByNumber(ctx, blockNr)
|
|
|
+ if block != nil {
|
|
|
+ response, err := s.rpcOutputBlock(block, true, fullTx)
|
|
|
+ if err == nil && blockNr == rpc.PendingBlockNumber {
|
|
|
+ // Pending blocks need to nil out a few fields
|
|
|
+ for _, field := range []string{"hash", "nonce", "logsBloom", "miner"} {
|
|
|
+ response[field] = nil
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return response, err
|
|
|
+ }
|
|
|
+ return nil, err
|
|
|
+}
|
|
|
+
|
|
|
+// GetBlockByHash returns the requested block. When fullTx is true all transactions in the block are returned in full
|
|
|
+// detail, otherwise only the transaction hash is returned.
|
|
|
+func (s *PublicBlockChainAPI) GetBlockByHash(ctx context.Context, blockHash common.Hash, fullTx bool) (map[string]interface{}, error) {
|
|
|
+ block, err := s.b.GetBlock(ctx, blockHash)
|
|
|
+ if block != nil {
|
|
|
+ return s.rpcOutputBlock(block, true, fullTx)
|
|
|
+ }
|
|
|
+ return nil, err
|
|
|
+}
|
|
|
+
|
|
|
+// GetUncleByBlockNumberAndIndex returns the uncle block for the given block hash and index. When fullTx is true
|
|
|
+// all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
|
|
|
+func (s *PublicBlockChainAPI) GetUncleByBlockNumberAndIndex(ctx context.Context, blockNr rpc.BlockNumber, index rpc.HexNumber) (map[string]interface{}, error) {
|
|
|
+ block, err := s.b.BlockByNumber(ctx, blockNr)
|
|
|
+ if block != nil {
|
|
|
+ uncles := block.Uncles()
|
|
|
+ if index.Int() < 0 || index.Int() >= len(uncles) {
|
|
|
+ glog.V(logger.Debug).Infof("uncle block on index %d not found for block #%d", index.Int(), blockNr)
|
|
|
+ return nil, nil
|
|
|
+ }
|
|
|
+ block = types.NewBlockWithHeader(uncles[index.Int()])
|
|
|
+ return s.rpcOutputBlock(block, false, false)
|
|
|
+ }
|
|
|
+ return nil, err
|
|
|
+}
|
|
|
+
|
|
|
+// GetUncleByBlockHashAndIndex returns the uncle block for the given block hash and index. When fullTx is true
|
|
|
+// all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
|
|
|
+func (s *PublicBlockChainAPI) GetUncleByBlockHashAndIndex(ctx context.Context, blockHash common.Hash, index rpc.HexNumber) (map[string]interface{}, error) {
|
|
|
+ block, err := s.b.GetBlock(ctx, blockHash)
|
|
|
+ if block != nil {
|
|
|
+ uncles := block.Uncles()
|
|
|
+ if index.Int() < 0 || index.Int() >= len(uncles) {
|
|
|
+ glog.V(logger.Debug).Infof("uncle block on index %d not found for block %s", index.Int(), blockHash.Hex())
|
|
|
+ return nil, nil
|
|
|
+ }
|
|
|
+ block = types.NewBlockWithHeader(uncles[index.Int()])
|
|
|
+ return s.rpcOutputBlock(block, false, false)
|
|
|
+ }
|
|
|
+ return nil, err
|
|
|
+}
|
|
|
+
|
|
|
+// GetUncleCountByBlockNumber returns number of uncles in the block for the given block number
|
|
|
+func (s *PublicBlockChainAPI) GetUncleCountByBlockNumber(ctx context.Context, blockNr rpc.BlockNumber) *rpc.HexNumber {
|
|
|
+ if block, _ := s.b.BlockByNumber(ctx, blockNr); block != nil {
|
|
|
+ return rpc.NewHexNumber(len(block.Uncles()))
|
|
|
+ }
|
|
|
+ return nil
|
|
|
+}
|
|
|
+
|
|
|
+// GetUncleCountByBlockHash returns number of uncles in the block for the given block hash
|
|
|
+func (s *PublicBlockChainAPI) GetUncleCountByBlockHash(ctx context.Context, blockHash common.Hash) *rpc.HexNumber {
|
|
|
+ if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
|
|
|
+ return rpc.NewHexNumber(len(block.Uncles()))
|
|
|
+ }
|
|
|
+ return nil
|
|
|
+}
|
|
|
+
|
|
|
+// NewBlocksArgs allows the user to specify if the returned block should include transactions and in which format.
|
|
|
+type NewBlocksArgs struct {
|
|
|
+ IncludeTransactions bool `json:"includeTransactions"`
|
|
|
+ TransactionDetails bool `json:"transactionDetails"`
|
|
|
+}
|
|
|
+
|
|
|
+// NewBlocks triggers a new block event each time a block is appended to the chain. It accepts an argument which allows
|
|
|
+// the caller to specify whether the output should contain transactions and in what format.
|
|
|
+func (s *PublicBlockChainAPI) NewBlocks(ctx context.Context, args NewBlocksArgs) (rpc.Subscription, error) {
|
|
|
+ notifier, supported := rpc.NotifierFromContext(ctx)
|
|
|
+ if !supported {
|
|
|
+ return nil, rpc.ErrNotificationsUnsupported
|
|
|
+ }
|
|
|
+
|
|
|
+ // create a subscription that will remove itself when unsubscribed/cancelled
|
|
|
+ subscription, err := notifier.NewSubscription(func(subId string) {
|
|
|
+ s.muNewBlockSubscriptions.Lock()
|
|
|
+ delete(s.newBlockSubscriptions, subId)
|
|
|
+ s.muNewBlockSubscriptions.Unlock()
|
|
|
+ })
|
|
|
+
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+
|
|
|
+ // add a callback that is called on chain events which will format the block and notify the client
|
|
|
+ s.muNewBlockSubscriptions.Lock()
|
|
|
+ s.newBlockSubscriptions[subscription.ID()] = func(e core.ChainEvent) error {
|
|
|
+ notification, err := s.rpcOutputBlock(e.Block, args.IncludeTransactions, args.TransactionDetails)
|
|
|
+ if err == nil {
|
|
|
+ return subscription.Notify(notification)
|
|
|
+ }
|
|
|
+ glog.V(logger.Warn).Info("unable to format block %v\n", err)
|
|
|
+ return nil
|
|
|
+ }
|
|
|
+ s.muNewBlockSubscriptions.Unlock()
|
|
|
+ return subscription, nil
|
|
|
+}
|
|
|
+
|
|
|
+// GetCode returns the code stored at the given address in the state for the given block number.
|
|
|
+func (s *PublicBlockChainAPI) GetCode(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (string, error) {
|
|
|
+ state, _, err := s.b.StateAndHeaderByNumber(blockNr)
|
|
|
+ if state == nil || err != nil {
|
|
|
+ return "", err
|
|
|
+ }
|
|
|
+ res, err := state.GetCode(ctx, address)
|
|
|
+ if len(res) == 0 || err != nil { // backwards compatibility
|
|
|
+ return "0x", err
|
|
|
+ }
|
|
|
+ return common.ToHex(res), nil
|
|
|
+}
|
|
|
+
|
|
|
+// GetStorageAt returns the storage from the state at the given address, key and
|
|
|
+// block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta block
|
|
|
+// numbers are also allowed.
|
|
|
+func (s *PublicBlockChainAPI) GetStorageAt(ctx context.Context, address common.Address, key string, blockNr rpc.BlockNumber) (string, error) {
|
|
|
+ state, _, err := s.b.StateAndHeaderByNumber(blockNr)
|
|
|
+ if state == nil || err != nil {
|
|
|
+ return "0x", err
|
|
|
+ }
|
|
|
+ res, err := state.GetState(ctx, address, common.HexToHash(key))
|
|
|
+ if err != nil {
|
|
|
+ return "0x", err
|
|
|
+ }
|
|
|
+ return res.Hex(), nil
|
|
|
+}
|
|
|
+
|
|
|
+// callmsg is the message type used for call transations.
|
|
|
+type callmsg struct {
|
|
|
+ addr common.Address
|
|
|
+ nonce uint64
|
|
|
+ to *common.Address
|
|
|
+ gas, gasPrice *big.Int
|
|
|
+ value *big.Int
|
|
|
+ data []byte
|
|
|
+}
|
|
|
+
|
|
|
+// accessor boilerplate to implement core.Message
|
|
|
+func (m callmsg) From() (common.Address, error) { return m.addr, nil }
|
|
|
+func (m callmsg) FromFrontier() (common.Address, error) { return m.addr, nil }
|
|
|
+func (m callmsg) Nonce() uint64 { return m.nonce }
|
|
|
+func (m callmsg) To() *common.Address { return m.to }
|
|
|
+func (m callmsg) GasPrice() *big.Int { return m.gasPrice }
|
|
|
+func (m callmsg) Gas() *big.Int { return m.gas }
|
|
|
+func (m callmsg) Value() *big.Int { return m.value }
|
|
|
+func (m callmsg) Data() []byte { return m.data }
|
|
|
+
|
|
|
+// CallArgs represents the arguments for a call.
|
|
|
+type CallArgs struct {
|
|
|
+ From common.Address `json:"from"`
|
|
|
+ To *common.Address `json:"to"`
|
|
|
+ Gas rpc.HexNumber `json:"gas"`
|
|
|
+ GasPrice rpc.HexNumber `json:"gasPrice"`
|
|
|
+ Value rpc.HexNumber `json:"value"`
|
|
|
+ Data string `json:"data"`
|
|
|
+}
|
|
|
+
|
|
|
+func (s *PublicBlockChainAPI) doCall(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber) (string, *big.Int, error) {
|
|
|
+ state, header, err := s.b.StateAndHeaderByNumber(blockNr)
|
|
|
+ if state == nil || err != nil {
|
|
|
+ return "0x", common.Big0, err
|
|
|
+ }
|
|
|
+
|
|
|
+ // Set the account address to interact with
|
|
|
+ var addr common.Address
|
|
|
+ if args.From == (common.Address{}) {
|
|
|
+ accounts := s.b.AccountManager().Accounts()
|
|
|
+ if len(accounts) == 0 {
|
|
|
+ addr = common.Address{}
|
|
|
+ } else {
|
|
|
+ addr = accounts[0].Address
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ addr = args.From
|
|
|
+ }
|
|
|
+
|
|
|
+ // Assemble the CALL invocation
|
|
|
+ msg := callmsg{
|
|
|
+ addr: addr,
|
|
|
+ to: args.To,
|
|
|
+ gas: args.Gas.BigInt(),
|
|
|
+ gasPrice: args.GasPrice.BigInt(),
|
|
|
+ value: args.Value.BigInt(),
|
|
|
+ data: common.FromHex(args.Data),
|
|
|
+ }
|
|
|
+
|
|
|
+ if msg.gas.Cmp(common.Big0) == 0 {
|
|
|
+ msg.gas = big.NewInt(50000000)
|
|
|
+ }
|
|
|
+
|
|
|
+ if msg.gasPrice.Cmp(common.Big0) == 0 {
|
|
|
+ msg.gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon)
|
|
|
+ }
|
|
|
+
|
|
|
+ // Execute the call and return
|
|
|
+ vmenv, vmError, err := s.b.GetVMEnv(ctx, msg, state, header)
|
|
|
+ if err != nil {
|
|
|
+ return "0x", common.Big0, err
|
|
|
+ }
|
|
|
+ gp := new(core.GasPool).AddGas(common.MaxBig)
|
|
|
+ res, gas, err := core.ApplyMessage(vmenv, msg, gp)
|
|
|
+ if err := vmError(); err != nil {
|
|
|
+ return "0x", common.Big0, err
|
|
|
+ }
|
|
|
+ if len(res) == 0 { // backwards compatability
|
|
|
+ return "0x", gas, err
|
|
|
+ }
|
|
|
+ return common.ToHex(res), gas, err
|
|
|
+}
|
|
|
+
|
|
|
+// Call executes the given transaction on the state for the given block number.
|
|
|
+// It doesn't make and changes in the state/blockchain and is usefull to execute and retrieve values.
|
|
|
+func (s *PublicBlockChainAPI) Call(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber) (string, error) {
|
|
|
+ result, _, err := s.doCall(ctx, args, blockNr)
|
|
|
+ return result, err
|
|
|
+}
|
|
|
+
|
|
|
+// EstimateGas returns an estimate of the amount of gas needed to execute the given transaction.
|
|
|
+func (s *PublicBlockChainAPI) EstimateGas(ctx context.Context, args CallArgs) (*rpc.HexNumber, error) {
|
|
|
+ _, gas, err := s.doCall(ctx, args, rpc.PendingBlockNumber)
|
|
|
+ return rpc.NewHexNumber(gas), err
|
|
|
+}
|
|
|
+
|
|
|
+// ExecutionResult groups all structured logs emitted by the EVM
|
|
|
+// while replaying a transaction in debug mode as well as the amount of
|
|
|
+// gas used and the return value
|
|
|
+type ExecutionResult struct {
|
|
|
+ Gas *big.Int `json:"gas"`
|
|
|
+ ReturnValue string `json:"returnValue"`
|
|
|
+ StructLogs []StructLogRes `json:"structLogs"`
|
|
|
+}
|
|
|
+
|
|
|
+// StructLogRes stores a structured log emitted by the EVM while replaying a
|
|
|
+// transaction in debug mode
|
|
|
+type StructLogRes struct {
|
|
|
+ Pc uint64 `json:"pc"`
|
|
|
+ Op string `json:"op"`
|
|
|
+ Gas *big.Int `json:"gas"`
|
|
|
+ GasCost *big.Int `json:"gasCost"`
|
|
|
+ Depth int `json:"depth"`
|
|
|
+ Error error `json:"error"`
|
|
|
+ Stack []string `json:"stack"`
|
|
|
+ Memory []string `json:"memory"`
|
|
|
+ Storage map[string]string `json:"storage"`
|
|
|
+}
|
|
|
+
|
|
|
+// formatLogs formats EVM returned structured logs for json output
|
|
|
+func FormatLogs(structLogs []vm.StructLog) []StructLogRes {
|
|
|
+ formattedStructLogs := make([]StructLogRes, len(structLogs))
|
|
|
+ for index, trace := range structLogs {
|
|
|
+ formattedStructLogs[index] = StructLogRes{
|
|
|
+ Pc: trace.Pc,
|
|
|
+ Op: trace.Op.String(),
|
|
|
+ Gas: trace.Gas,
|
|
|
+ GasCost: trace.GasCost,
|
|
|
+ Depth: trace.Depth,
|
|
|
+ Error: trace.Err,
|
|
|
+ Stack: make([]string, len(trace.Stack)),
|
|
|
+ Storage: make(map[string]string),
|
|
|
+ }
|
|
|
+
|
|
|
+ for i, stackValue := range trace.Stack {
|
|
|
+ formattedStructLogs[index].Stack[i] = fmt.Sprintf("%x", common.LeftPadBytes(stackValue.Bytes(), 32))
|
|
|
+ }
|
|
|
+
|
|
|
+ for i := 0; i+32 <= len(trace.Memory); i += 32 {
|
|
|
+ formattedStructLogs[index].Memory = append(formattedStructLogs[index].Memory, fmt.Sprintf("%x", trace.Memory[i:i+32]))
|
|
|
+ }
|
|
|
+
|
|
|
+ for i, storageValue := range trace.Storage {
|
|
|
+ formattedStructLogs[index].Storage[fmt.Sprintf("%x", i)] = fmt.Sprintf("%x", storageValue)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return formattedStructLogs
|
|
|
+}
|
|
|
+
|
|
|
+// TraceCall executes a call and returns the amount of gas, created logs and optionally returned values.
|
|
|
+func (s *PublicBlockChainAPI) TraceCall(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber) (*ExecutionResult, error) {
|
|
|
+ state, header, err := s.b.StateAndHeaderByNumber(blockNr)
|
|
|
+ if state == nil || err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+
|
|
|
+ var addr common.Address
|
|
|
+ if args.From == (common.Address{}) {
|
|
|
+ accounts := s.b.AccountManager().Accounts()
|
|
|
+ if len(accounts) == 0 {
|
|
|
+ addr = common.Address{}
|
|
|
+ } else {
|
|
|
+ addr = accounts[0].Address
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ addr = args.From
|
|
|
+ }
|
|
|
+
|
|
|
+ // Assemble the CALL invocation
|
|
|
+ msg := callmsg{
|
|
|
+ addr: addr,
|
|
|
+ to: args.To,
|
|
|
+ gas: args.Gas.BigInt(),
|
|
|
+ gasPrice: args.GasPrice.BigInt(),
|
|
|
+ value: args.Value.BigInt(),
|
|
|
+ data: common.FromHex(args.Data),
|
|
|
+ }
|
|
|
+
|
|
|
+ if msg.gas.Cmp(common.Big0) == 0 {
|
|
|
+ msg.gas = big.NewInt(50000000)
|
|
|
+ }
|
|
|
+
|
|
|
+ if msg.gasPrice.Cmp(common.Big0) == 0 {
|
|
|
+ msg.gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon)
|
|
|
+ }
|
|
|
+
|
|
|
+ // Execute the call and return
|
|
|
+ vmenv, vmError, err := s.b.GetVMEnv(ctx, msg, state, header)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ gp := new(core.GasPool).AddGas(common.MaxBig)
|
|
|
+ ret, gas, err := core.ApplyMessage(vmenv, msg, gp)
|
|
|
+ if err := vmError(); err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return &ExecutionResult{
|
|
|
+ Gas: gas,
|
|
|
+ ReturnValue: fmt.Sprintf("%x", ret),
|
|
|
+ StructLogs: FormatLogs(vmenv.StructLogs()),
|
|
|
+ }, nil
|
|
|
+}
|
|
|
+
|
|
|
+// rpcOutputBlock converts the given block to the RPC output which depends on fullTx. If inclTx is true transactions are
|
|
|
+// returned. When fullTx is true the returned block contains full transaction details, otherwise it will only contain
|
|
|
+// transaction hashes.
|
|
|
+func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
|
|
|
+ fields := map[string]interface{}{
|
|
|
+ "number": rpc.NewHexNumber(b.Number()),
|
|
|
+ "hash": b.Hash(),
|
|
|
+ "parentHash": b.ParentHash(),
|
|
|
+ "nonce": b.Header().Nonce,
|
|
|
+ "sha3Uncles": b.UncleHash(),
|
|
|
+ "logsBloom": b.Bloom(),
|
|
|
+ "stateRoot": b.Root(),
|
|
|
+ "miner": b.Coinbase(),
|
|
|
+ "difficulty": rpc.NewHexNumber(b.Difficulty()),
|
|
|
+ "totalDifficulty": rpc.NewHexNumber(s.b.GetTd(b.Hash())),
|
|
|
+ "extraData": fmt.Sprintf("0x%x", b.Extra()),
|
|
|
+ "size": rpc.NewHexNumber(b.Size().Int64()),
|
|
|
+ "gasLimit": rpc.NewHexNumber(b.GasLimit()),
|
|
|
+ "gasUsed": rpc.NewHexNumber(b.GasUsed()),
|
|
|
+ "timestamp": rpc.NewHexNumber(b.Time()),
|
|
|
+ "transactionsRoot": b.TxHash(),
|
|
|
+ "receiptRoot": b.ReceiptHash(),
|
|
|
+ }
|
|
|
+
|
|
|
+ if inclTx {
|
|
|
+ formatTx := func(tx *types.Transaction) (interface{}, error) {
|
|
|
+ return tx.Hash(), nil
|
|
|
+ }
|
|
|
+
|
|
|
+ if fullTx {
|
|
|
+ formatTx = func(tx *types.Transaction) (interface{}, error) {
|
|
|
+ return newRPCTransaction(b, tx.Hash())
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ txs := b.Transactions()
|
|
|
+ transactions := make([]interface{}, len(txs))
|
|
|
+ var err error
|
|
|
+ for i, tx := range b.Transactions() {
|
|
|
+ if transactions[i], err = formatTx(tx); err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ }
|
|
|
+ fields["transactions"] = transactions
|
|
|
+ }
|
|
|
+
|
|
|
+ uncles := b.Uncles()
|
|
|
+ uncleHashes := make([]common.Hash, len(uncles))
|
|
|
+ for i, uncle := range uncles {
|
|
|
+ uncleHashes[i] = uncle.Hash()
|
|
|
+ }
|
|
|
+ fields["uncles"] = uncleHashes
|
|
|
+
|
|
|
+ return fields, nil
|
|
|
+}
|
|
|
+
|
|
|
+// RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction
|
|
|
+type RPCTransaction struct {
|
|
|
+ BlockHash common.Hash `json:"blockHash"`
|
|
|
+ BlockNumber *rpc.HexNumber `json:"blockNumber"`
|
|
|
+ From common.Address `json:"from"`
|
|
|
+ Gas *rpc.HexNumber `json:"gas"`
|
|
|
+ GasPrice *rpc.HexNumber `json:"gasPrice"`
|
|
|
+ Hash common.Hash `json:"hash"`
|
|
|
+ Input string `json:"input"`
|
|
|
+ Nonce *rpc.HexNumber `json:"nonce"`
|
|
|
+ To *common.Address `json:"to"`
|
|
|
+ TransactionIndex *rpc.HexNumber `json:"transactionIndex"`
|
|
|
+ Value *rpc.HexNumber `json:"value"`
|
|
|
+}
|
|
|
+
|
|
|
+// newRPCPendingTransaction returns a pending transaction that will serialize to the RPC representation
|
|
|
+func newRPCPendingTransaction(tx *types.Transaction) *RPCTransaction {
|
|
|
+ from, _ := tx.FromFrontier()
|
|
|
+
|
|
|
+ return &RPCTransaction{
|
|
|
+ From: from,
|
|
|
+ Gas: rpc.NewHexNumber(tx.Gas()),
|
|
|
+ GasPrice: rpc.NewHexNumber(tx.GasPrice()),
|
|
|
+ Hash: tx.Hash(),
|
|
|
+ Input: fmt.Sprintf("0x%x", tx.Data()),
|
|
|
+ Nonce: rpc.NewHexNumber(tx.Nonce()),
|
|
|
+ To: tx.To(),
|
|
|
+ Value: rpc.NewHexNumber(tx.Value()),
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+// newRPCTransaction returns a transaction that will serialize to the RPC representation.
|
|
|
+func newRPCTransactionFromBlockIndex(b *types.Block, txIndex int) (*RPCTransaction, error) {
|
|
|
+ if txIndex >= 0 && txIndex < len(b.Transactions()) {
|
|
|
+ tx := b.Transactions()[txIndex]
|
|
|
+ from, err := tx.FromFrontier()
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+
|
|
|
+ return &RPCTransaction{
|
|
|
+ BlockHash: b.Hash(),
|
|
|
+ BlockNumber: rpc.NewHexNumber(b.Number()),
|
|
|
+ From: from,
|
|
|
+ Gas: rpc.NewHexNumber(tx.Gas()),
|
|
|
+ GasPrice: rpc.NewHexNumber(tx.GasPrice()),
|
|
|
+ Hash: tx.Hash(),
|
|
|
+ Input: fmt.Sprintf("0x%x", tx.Data()),
|
|
|
+ Nonce: rpc.NewHexNumber(tx.Nonce()),
|
|
|
+ To: tx.To(),
|
|
|
+ TransactionIndex: rpc.NewHexNumber(txIndex),
|
|
|
+ Value: rpc.NewHexNumber(tx.Value()),
|
|
|
+ }, nil
|
|
|
+ }
|
|
|
+
|
|
|
+ return nil, nil
|
|
|
+}
|
|
|
+
|
|
|
+// newRPCTransaction returns a transaction that will serialize to the RPC representation.
|
|
|
+func newRPCTransaction(b *types.Block, txHash common.Hash) (*RPCTransaction, error) {
|
|
|
+ for idx, tx := range b.Transactions() {
|
|
|
+ if tx.Hash() == txHash {
|
|
|
+ return newRPCTransactionFromBlockIndex(b, idx)
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return nil, nil
|
|
|
+}
|
|
|
+
|
|
|
+// PublicTransactionPoolAPI exposes methods for the RPC interface
|
|
|
+type PublicTransactionPoolAPI struct {
|
|
|
+ b Backend
|
|
|
+ muPendingTxSubs sync.Mutex
|
|
|
+ pendingTxSubs map[string]rpc.Subscription
|
|
|
+}
|
|
|
+
|
|
|
+// NewPublicTransactionPoolAPI creates a new RPC service with methods specific for the transaction pool.
|
|
|
+func NewPublicTransactionPoolAPI(b Backend) *PublicTransactionPoolAPI {
|
|
|
+ api := &PublicTransactionPoolAPI{
|
|
|
+ b: b,
|
|
|
+ pendingTxSubs: make(map[string]rpc.Subscription),
|
|
|
+ }
|
|
|
+
|
|
|
+ go api.subscriptionLoop()
|
|
|
+
|
|
|
+ return api
|
|
|
+}
|
|
|
+
|
|
|
+// subscriptionLoop listens for events on the global event mux and creates notifications for subscriptions.
|
|
|
+func (s *PublicTransactionPoolAPI) subscriptionLoop() {
|
|
|
+ sub := s.b.EventMux().Subscribe(core.TxPreEvent{})
|
|
|
+ for event := range sub.Chan() {
|
|
|
+ tx := event.Data.(core.TxPreEvent)
|
|
|
+ if from, err := tx.Tx.FromFrontier(); err == nil {
|
|
|
+ if s.b.AccountManager().HasAddress(from) {
|
|
|
+ s.muPendingTxSubs.Lock()
|
|
|
+ for id, sub := range s.pendingTxSubs {
|
|
|
+ if sub.Notify(tx.Tx.Hash()) == rpc.ErrNotificationNotFound {
|
|
|
+ delete(s.pendingTxSubs, id)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ s.muPendingTxSubs.Unlock()
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+func getTransaction(chainDb ethdb.Database, b Backend, txHash common.Hash) (*types.Transaction, bool, error) {
|
|
|
+ txData, err := chainDb.Get(txHash.Bytes())
|
|
|
+ isPending := false
|
|
|
+ tx := new(types.Transaction)
|
|
|
+
|
|
|
+ if err == nil && len(txData) > 0 {
|
|
|
+ if err := rlp.DecodeBytes(txData, tx); err != nil {
|
|
|
+ return nil, isPending, err
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ // pending transaction?
|
|
|
+ tx = b.GetPoolTransaction(txHash)
|
|
|
+ isPending = true
|
|
|
+ }
|
|
|
+
|
|
|
+ return tx, isPending, nil
|
|
|
+}
|
|
|
+
|
|
|
+// GetBlockTransactionCountByNumber returns the number of transactions in the block with the given block number.
|
|
|
+func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByNumber(ctx context.Context, blockNr rpc.BlockNumber) *rpc.HexNumber {
|
|
|
+ if block, _ := s.b.BlockByNumber(ctx, blockNr); block != nil {
|
|
|
+ return rpc.NewHexNumber(len(block.Transactions()))
|
|
|
+ }
|
|
|
+ return nil
|
|
|
+}
|
|
|
+
|
|
|
+// GetBlockTransactionCountByHash returns the number of transactions in the block with the given hash.
|
|
|
+func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByHash(ctx context.Context, blockHash common.Hash) *rpc.HexNumber {
|
|
|
+ if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
|
|
|
+ return rpc.NewHexNumber(len(block.Transactions()))
|
|
|
+ }
|
|
|
+ return nil
|
|
|
+}
|
|
|
+
|
|
|
+// GetTransactionByBlockNumberAndIndex returns the transaction for the given block number and index.
|
|
|
+func (s *PublicTransactionPoolAPI) GetTransactionByBlockNumberAndIndex(ctx context.Context, blockNr rpc.BlockNumber, index rpc.HexNumber) (*RPCTransaction, error) {
|
|
|
+ if block, _ := s.b.BlockByNumber(ctx, blockNr); block != nil {
|
|
|
+ return newRPCTransactionFromBlockIndex(block, index.Int())
|
|
|
+ }
|
|
|
+ return nil, nil
|
|
|
+}
|
|
|
+
|
|
|
+// GetTransactionByBlockHashAndIndex returns the transaction for the given block hash and index.
|
|
|
+func (s *PublicTransactionPoolAPI) GetTransactionByBlockHashAndIndex(ctx context.Context, blockHash common.Hash, index rpc.HexNumber) (*RPCTransaction, error) {
|
|
|
+ if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
|
|
|
+ return newRPCTransactionFromBlockIndex(block, index.Int())
|
|
|
+ }
|
|
|
+ return nil, nil
|
|
|
+}
|
|
|
+
|
|
|
+// GetTransactionCount returns the number of transactions the given address has sent for the given block number
|
|
|
+func (s *PublicTransactionPoolAPI) GetTransactionCount(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (*rpc.HexNumber, error) {
|
|
|
+ state, _, err := s.b.StateAndHeaderByNumber(blockNr)
|
|
|
+ if state == nil || err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ nonce, err := state.GetNonce(ctx, address)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return rpc.NewHexNumber(nonce), nil
|
|
|
+}
|
|
|
+
|
|
|
+// getTransactionBlockData fetches the meta data for the given transaction from the chain database. This is useful to
|
|
|
+// retrieve block information for a hash. It returns the block hash, block index and transaction index.
|
|
|
+func getTransactionBlockData(chainDb ethdb.Database, txHash common.Hash) (common.Hash, uint64, uint64, error) {
|
|
|
+ var txBlock struct {
|
|
|
+ BlockHash common.Hash
|
|
|
+ BlockIndex uint64
|
|
|
+ Index uint64
|
|
|
+ }
|
|
|
+
|
|
|
+ blockData, err := chainDb.Get(append(txHash.Bytes(), 0x0001))
|
|
|
+ if err != nil {
|
|
|
+ return common.Hash{}, uint64(0), uint64(0), err
|
|
|
+ }
|
|
|
+
|
|
|
+ reader := bytes.NewReader(blockData)
|
|
|
+ if err = rlp.Decode(reader, &txBlock); err != nil {
|
|
|
+ return common.Hash{}, uint64(0), uint64(0), err
|
|
|
+ }
|
|
|
+
|
|
|
+ return txBlock.BlockHash, txBlock.BlockIndex, txBlock.Index, nil
|
|
|
+}
|
|
|
+
|
|
|
+// GetTransactionByHash returns the transaction for the given hash
|
|
|
+func (s *PublicTransactionPoolAPI) GetTransactionByHash(ctx context.Context, txHash common.Hash) (*RPCTransaction, error) {
|
|
|
+ var tx *types.Transaction
|
|
|
+ var isPending bool
|
|
|
+ var err error
|
|
|
+
|
|
|
+ if tx, isPending, err = getTransaction(s.b.ChainDb(), s.b, txHash); err != nil {
|
|
|
+ glog.V(logger.Debug).Infof("%v\n", err)
|
|
|
+ return nil, nil
|
|
|
+ } else if tx == nil {
|
|
|
+ return nil, nil
|
|
|
+ }
|
|
|
+
|
|
|
+ if isPending {
|
|
|
+ return newRPCPendingTransaction(tx), nil
|
|
|
+ }
|
|
|
+
|
|
|
+ blockHash, _, _, err := getTransactionBlockData(s.b.ChainDb(), txHash)
|
|
|
+ if err != nil {
|
|
|
+ glog.V(logger.Debug).Infof("%v\n", err)
|
|
|
+ return nil, nil
|
|
|
+ }
|
|
|
+
|
|
|
+ if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
|
|
|
+ return newRPCTransaction(block, txHash)
|
|
|
+ }
|
|
|
+
|
|
|
+ return nil, nil
|
|
|
+}
|
|
|
+
|
|
|
+// GetTransactionReceipt returns the transaction receipt for the given transaction hash.
|
|
|
+func (s *PublicTransactionPoolAPI) GetTransactionReceipt(txHash common.Hash) (map[string]interface{}, error) {
|
|
|
+ receipt := core.GetReceipt(s.b.ChainDb(), txHash)
|
|
|
+ if receipt == nil {
|
|
|
+ glog.V(logger.Debug).Infof("receipt not found for transaction %s", txHash.Hex())
|
|
|
+ return nil, nil
|
|
|
+ }
|
|
|
+
|
|
|
+ tx, _, err := getTransaction(s.b.ChainDb(), s.b, txHash)
|
|
|
+ if err != nil {
|
|
|
+ glog.V(logger.Debug).Infof("%v\n", err)
|
|
|
+ return nil, nil
|
|
|
+ }
|
|
|
+
|
|
|
+ txBlock, blockIndex, index, err := getTransactionBlockData(s.b.ChainDb(), txHash)
|
|
|
+ if err != nil {
|
|
|
+ glog.V(logger.Debug).Infof("%v\n", err)
|
|
|
+ return nil, nil
|
|
|
+ }
|
|
|
+
|
|
|
+ from, err := tx.FromFrontier()
|
|
|
+ if err != nil {
|
|
|
+ glog.V(logger.Debug).Infof("%v\n", err)
|
|
|
+ return nil, nil
|
|
|
+ }
|
|
|
+
|
|
|
+ fields := map[string]interface{}{
|
|
|
+ "root": common.Bytes2Hex(receipt.PostState),
|
|
|
+ "blockHash": txBlock,
|
|
|
+ "blockNumber": rpc.NewHexNumber(blockIndex),
|
|
|
+ "transactionHash": txHash,
|
|
|
+ "transactionIndex": rpc.NewHexNumber(index),
|
|
|
+ "from": from,
|
|
|
+ "to": tx.To(),
|
|
|
+ "gasUsed": rpc.NewHexNumber(receipt.GasUsed),
|
|
|
+ "cumulativeGasUsed": rpc.NewHexNumber(receipt.CumulativeGasUsed),
|
|
|
+ "contractAddress": nil,
|
|
|
+ "logs": receipt.Logs,
|
|
|
+ }
|
|
|
+
|
|
|
+ if receipt.Logs == nil {
|
|
|
+ fields["logs"] = []vm.Logs{}
|
|
|
+ }
|
|
|
+
|
|
|
+ // If the ContractAddress is 20 0x0 bytes, assume it is not a contract creation
|
|
|
+ if bytes.Compare(receipt.ContractAddress.Bytes(), bytes.Repeat([]byte{0}, 20)) != 0 {
|
|
|
+ fields["contractAddress"] = receipt.ContractAddress
|
|
|
+ }
|
|
|
+
|
|
|
+ return fields, nil
|
|
|
+}
|
|
|
+
|
|
|
+// sign is a helper function that signs a transaction with the private key of the given address.
|
|
|
+func (s *PublicTransactionPoolAPI) sign(addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
|
|
|
+ signature, err := s.b.AccountManager().Sign(addr, tx.SigHash().Bytes())
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return tx.WithSignature(signature)
|
|
|
+}
|
|
|
+
|
|
|
+// SendTxArgs represents the arguments to sumbit a new transaction into the transaction pool.
|
|
|
+type SendTxArgs struct {
|
|
|
+ From common.Address `json:"from"`
|
|
|
+ To *common.Address `json:"to"`
|
|
|
+ Gas *rpc.HexNumber `json:"gas"`
|
|
|
+ GasPrice *rpc.HexNumber `json:"gasPrice"`
|
|
|
+ Value *rpc.HexNumber `json:"value"`
|
|
|
+ Data string `json:"data"`
|
|
|
+ Nonce *rpc.HexNumber `json:"nonce"`
|
|
|
+}
|
|
|
+
|
|
|
+// prepareSendTxArgs is a helper function that fills in default values for unspecified tx fields.
|
|
|
+func prepareSendTxArgs(ctx context.Context, args SendTxArgs, b Backend) (SendTxArgs, error) {
|
|
|
+ if args.Gas == nil {
|
|
|
+ args.Gas = rpc.NewHexNumber(defaultGas)
|
|
|
+ }
|
|
|
+ if args.GasPrice == nil {
|
|
|
+ price, err := b.SuggestPrice(ctx)
|
|
|
+ if err != nil {
|
|
|
+ return args, err
|
|
|
+ }
|
|
|
+ args.GasPrice = rpc.NewHexNumber(price)
|
|
|
+ }
|
|
|
+ if args.Value == nil {
|
|
|
+ args.Value = rpc.NewHexNumber(0)
|
|
|
+ }
|
|
|
+ return args, nil
|
|
|
+}
|
|
|
+
|
|
|
+// submitTransaction is a helper function that submits tx to txPool and creates a log entry.
|
|
|
+func submitTransaction(ctx context.Context, b Backend, tx *types.Transaction, signature []byte) (common.Hash, error) {
|
|
|
+ signedTx, err := tx.WithSignature(signature)
|
|
|
+ if err != nil {
|
|
|
+ return common.Hash{}, err
|
|
|
+ }
|
|
|
+
|
|
|
+ if err := b.SendTx(ctx, signedTx); err != nil {
|
|
|
+ return common.Hash{}, err
|
|
|
+ }
|
|
|
+
|
|
|
+ if signedTx.To() == nil {
|
|
|
+ from, _ := signedTx.From()
|
|
|
+ addr := crypto.CreateAddress(from, signedTx.Nonce())
|
|
|
+ glog.V(logger.Info).Infof("Tx(%s) created: %s\n", signedTx.Hash().Hex(), addr.Hex())
|
|
|
+ } else {
|
|
|
+ glog.V(logger.Info).Infof("Tx(%s) to: %s\n", signedTx.Hash().Hex(), tx.To().Hex())
|
|
|
+ }
|
|
|
+
|
|
|
+ return signedTx.Hash(), nil
|
|
|
+}
|
|
|
+
|
|
|
+// SendTransaction creates a transaction for the given argument, sign it and submit it to the
|
|
|
+// transaction pool.
|
|
|
+func (s *PublicTransactionPoolAPI) SendTransaction(ctx context.Context, args SendTxArgs) (common.Hash, error) {
|
|
|
+ var err error
|
|
|
+ args, err = prepareSendTxArgs(ctx, args, s.b)
|
|
|
+ if err != nil {
|
|
|
+ return common.Hash{}, err
|
|
|
+ }
|
|
|
+
|
|
|
+ if args.Nonce == nil {
|
|
|
+ nonce, err := s.b.GetPoolNonce(ctx, args.From)
|
|
|
+ if err != nil {
|
|
|
+ return common.Hash{}, err
|
|
|
+ }
|
|
|
+ args.Nonce = rpc.NewHexNumber(nonce)
|
|
|
+ }
|
|
|
+
|
|
|
+ var tx *types.Transaction
|
|
|
+ if args.To == nil {
|
|
|
+ tx = types.NewContractCreation(args.Nonce.Uint64(), args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
|
|
|
+ } else {
|
|
|
+ tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
|
|
|
+ }
|
|
|
+
|
|
|
+ signature, err := s.b.AccountManager().Sign(args.From, tx.SigHash().Bytes())
|
|
|
+ if err != nil {
|
|
|
+ return common.Hash{}, err
|
|
|
+ }
|
|
|
+
|
|
|
+ return submitTransaction(ctx, s.b, tx, signature)
|
|
|
+}
|
|
|
+
|
|
|
+// SendRawTransaction will add the signed transaction to the transaction pool.
|
|
|
+// The sender is responsible for signing the transaction and using the correct nonce.
|
|
|
+func (s *PublicTransactionPoolAPI) SendRawTransaction(ctx context.Context, encodedTx string) (string, error) {
|
|
|
+ tx := new(types.Transaction)
|
|
|
+ if err := rlp.DecodeBytes(common.FromHex(encodedTx), tx); err != nil {
|
|
|
+ return "", err
|
|
|
+ }
|
|
|
+
|
|
|
+ if err := s.b.SendTx(ctx, tx); err != nil {
|
|
|
+ return "", err
|
|
|
+ }
|
|
|
+
|
|
|
+ if tx.To() == nil {
|
|
|
+ from, err := tx.FromFrontier()
|
|
|
+ if err != nil {
|
|
|
+ return "", err
|
|
|
+ }
|
|
|
+ addr := crypto.CreateAddress(from, tx.Nonce())
|
|
|
+ glog.V(logger.Info).Infof("Tx(%x) created: %x\n", tx.Hash(), addr)
|
|
|
+ } else {
|
|
|
+ glog.V(logger.Info).Infof("Tx(%x) to: %x\n", tx.Hash(), tx.To())
|
|
|
+ }
|
|
|
+
|
|
|
+ return tx.Hash().Hex(), nil
|
|
|
+}
|
|
|
+
|
|
|
+// Sign signs the given hash using the key that matches the address. The key must be
|
|
|
+// unlocked in order to sign the hash.
|
|
|
+func (s *PublicTransactionPoolAPI) Sign(addr common.Address, hash common.Hash) (string, error) {
|
|
|
+ signature, error := s.b.AccountManager().Sign(addr, hash[:])
|
|
|
+ return common.ToHex(signature), error
|
|
|
+}
|
|
|
+
|
|
|
+// SignTransactionArgs represents the arguments to sign a transaction.
|
|
|
+type SignTransactionArgs struct {
|
|
|
+ From common.Address
|
|
|
+ To *common.Address
|
|
|
+ Nonce *rpc.HexNumber
|
|
|
+ Value *rpc.HexNumber
|
|
|
+ Gas *rpc.HexNumber
|
|
|
+ GasPrice *rpc.HexNumber
|
|
|
+ Data string
|
|
|
+
|
|
|
+ BlockNumber int64
|
|
|
+}
|
|
|
+
|
|
|
+// Tx is a helper object for argument and return values
|
|
|
+type Tx struct {
|
|
|
+ tx *types.Transaction
|
|
|
+
|
|
|
+ To *common.Address `json:"to"`
|
|
|
+ From common.Address `json:"from"`
|
|
|
+ Nonce *rpc.HexNumber `json:"nonce"`
|
|
|
+ Value *rpc.HexNumber `json:"value"`
|
|
|
+ Data string `json:"data"`
|
|
|
+ GasLimit *rpc.HexNumber `json:"gas"`
|
|
|
+ GasPrice *rpc.HexNumber `json:"gasPrice"`
|
|
|
+ Hash common.Hash `json:"hash"`
|
|
|
+}
|
|
|
+
|
|
|
+// UnmarshalJSON parses JSON data into tx.
|
|
|
+func (tx *Tx) UnmarshalJSON(b []byte) (err error) {
|
|
|
+ req := struct {
|
|
|
+ To *common.Address `json:"to"`
|
|
|
+ From common.Address `json:"from"`
|
|
|
+ Nonce *rpc.HexNumber `json:"nonce"`
|
|
|
+ Value *rpc.HexNumber `json:"value"`
|
|
|
+ Data string `json:"data"`
|
|
|
+ GasLimit *rpc.HexNumber `json:"gas"`
|
|
|
+ GasPrice *rpc.HexNumber `json:"gasPrice"`
|
|
|
+ Hash common.Hash `json:"hash"`
|
|
|
+ }{}
|
|
|
+
|
|
|
+ if err := json.Unmarshal(b, &req); err != nil {
|
|
|
+ return err
|
|
|
+ }
|
|
|
+
|
|
|
+ tx.To = req.To
|
|
|
+ tx.From = req.From
|
|
|
+ tx.Nonce = req.Nonce
|
|
|
+ tx.Value = req.Value
|
|
|
+ tx.Data = req.Data
|
|
|
+ tx.GasLimit = req.GasLimit
|
|
|
+ tx.GasPrice = req.GasPrice
|
|
|
+ tx.Hash = req.Hash
|
|
|
+
|
|
|
+ data := common.Hex2Bytes(tx.Data)
|
|
|
+
|
|
|
+ if tx.Nonce == nil {
|
|
|
+ return fmt.Errorf("need nonce")
|
|
|
+ }
|
|
|
+ if tx.Value == nil {
|
|
|
+ tx.Value = rpc.NewHexNumber(0)
|
|
|
+ }
|
|
|
+ if tx.GasLimit == nil {
|
|
|
+ tx.GasLimit = rpc.NewHexNumber(0)
|
|
|
+ }
|
|
|
+ if tx.GasPrice == nil {
|
|
|
+ tx.GasPrice = rpc.NewHexNumber(int64(50000000000))
|
|
|
+ }
|
|
|
+
|
|
|
+ if req.To == nil {
|
|
|
+ tx.tx = types.NewContractCreation(tx.Nonce.Uint64(), tx.Value.BigInt(), tx.GasLimit.BigInt(), tx.GasPrice.BigInt(), data)
|
|
|
+ } else {
|
|
|
+ tx.tx = types.NewTransaction(tx.Nonce.Uint64(), *tx.To, tx.Value.BigInt(), tx.GasLimit.BigInt(), tx.GasPrice.BigInt(), data)
|
|
|
+ }
|
|
|
+
|
|
|
+ return nil
|
|
|
+}
|
|
|
+
|
|
|
+// SignTransactionResult represents a RLP encoded signed transaction.
|
|
|
+type SignTransactionResult struct {
|
|
|
+ Raw string `json:"raw"`
|
|
|
+ Tx *Tx `json:"tx"`
|
|
|
+}
|
|
|
+
|
|
|
+func newTx(t *types.Transaction) *Tx {
|
|
|
+ from, _ := t.FromFrontier()
|
|
|
+ return &Tx{
|
|
|
+ tx: t,
|
|
|
+ To: t.To(),
|
|
|
+ From: from,
|
|
|
+ Value: rpc.NewHexNumber(t.Value()),
|
|
|
+ Nonce: rpc.NewHexNumber(t.Nonce()),
|
|
|
+ Data: "0x" + common.Bytes2Hex(t.Data()),
|
|
|
+ GasLimit: rpc.NewHexNumber(t.Gas()),
|
|
|
+ GasPrice: rpc.NewHexNumber(t.GasPrice()),
|
|
|
+ Hash: t.Hash(),
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+// SignTransaction will sign the given transaction with the from account.
|
|
|
+// The node needs to have the private key of the account corresponding with
|
|
|
+// the given from address and it needs to be unlocked.
|
|
|
+func (s *PublicTransactionPoolAPI) SignTransaction(ctx context.Context, args SignTransactionArgs) (*SignTransactionResult, error) {
|
|
|
+ if args.Gas == nil {
|
|
|
+ args.Gas = rpc.NewHexNumber(defaultGas)
|
|
|
+ }
|
|
|
+ if args.GasPrice == nil {
|
|
|
+ price, err := s.b.SuggestPrice(ctx)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ args.GasPrice = rpc.NewHexNumber(price)
|
|
|
+ }
|
|
|
+ if args.Value == nil {
|
|
|
+ args.Value = rpc.NewHexNumber(0)
|
|
|
+ }
|
|
|
+
|
|
|
+ if args.Nonce == nil {
|
|
|
+ nonce, err := s.b.GetPoolNonce(ctx, args.From)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ args.Nonce = rpc.NewHexNumber(nonce)
|
|
|
+ }
|
|
|
+
|
|
|
+ var tx *types.Transaction
|
|
|
+ if args.To == nil {
|
|
|
+ tx = types.NewContractCreation(args.Nonce.Uint64(), args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
|
|
|
+ } else {
|
|
|
+ tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
|
|
|
+ }
|
|
|
+
|
|
|
+ signedTx, err := s.sign(args.From, tx)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+
|
|
|
+ data, err := rlp.EncodeToBytes(signedTx)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+
|
|
|
+ return &SignTransactionResult{"0x" + common.Bytes2Hex(data), newTx(signedTx)}, nil
|
|
|
+}
|
|
|
+
|
|
|
+// PendingTransactions returns the transactions that are in the transaction pool and have a from address that is one of
|
|
|
+// the accounts this node manages.
|
|
|
+func (s *PublicTransactionPoolAPI) PendingTransactions() []*RPCTransaction {
|
|
|
+ pending := s.b.GetPoolTransactions()
|
|
|
+ transactions := make([]*RPCTransaction, 0, len(pending))
|
|
|
+ for _, tx := range pending {
|
|
|
+ from, _ := tx.FromFrontier()
|
|
|
+ if s.b.AccountManager().HasAddress(from) {
|
|
|
+ transactions = append(transactions, newRPCPendingTransaction(tx))
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return transactions
|
|
|
+}
|
|
|
+
|
|
|
+// NewPendingTransactions creates a subscription that is triggered each time a transaction enters the transaction pool
|
|
|
+// and is send from one of the transactions this nodes manages.
|
|
|
+func (s *PublicTransactionPoolAPI) NewPendingTransactions(ctx context.Context) (rpc.Subscription, error) {
|
|
|
+ notifier, supported := rpc.NotifierFromContext(ctx)
|
|
|
+ if !supported {
|
|
|
+ return nil, rpc.ErrNotificationsUnsupported
|
|
|
+ }
|
|
|
+
|
|
|
+ subscription, err := notifier.NewSubscription(func(id string) {
|
|
|
+ s.muPendingTxSubs.Lock()
|
|
|
+ delete(s.pendingTxSubs, id)
|
|
|
+ s.muPendingTxSubs.Unlock()
|
|
|
+ })
|
|
|
+
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+
|
|
|
+ s.muPendingTxSubs.Lock()
|
|
|
+ s.pendingTxSubs[subscription.ID()] = subscription
|
|
|
+ s.muPendingTxSubs.Unlock()
|
|
|
+
|
|
|
+ return subscription, nil
|
|
|
+}
|
|
|
+
|
|
|
+// Resend accepts an existing transaction and a new gas price and limit. It will remove the given transaction from the
|
|
|
+// pool and reinsert it with the new gas price and limit.
|
|
|
+func (s *PublicTransactionPoolAPI) Resend(ctx context.Context, tx *Tx, gasPrice, gasLimit *rpc.HexNumber) (common.Hash, error) {
|
|
|
+
|
|
|
+ pending := s.b.GetPoolTransactions()
|
|
|
+ for _, p := range pending {
|
|
|
+ if pFrom, err := p.FromFrontier(); err == nil && pFrom == tx.From && p.SigHash() == tx.tx.SigHash() {
|
|
|
+ if gasPrice == nil {
|
|
|
+ gasPrice = rpc.NewHexNumber(tx.tx.GasPrice())
|
|
|
+ }
|
|
|
+ if gasLimit == nil {
|
|
|
+ gasLimit = rpc.NewHexNumber(tx.tx.Gas())
|
|
|
+ }
|
|
|
+
|
|
|
+ var newTx *types.Transaction
|
|
|
+ if tx.tx.To() == nil {
|
|
|
+ newTx = types.NewContractCreation(tx.tx.Nonce(), tx.tx.Value(), gasPrice.BigInt(), gasLimit.BigInt(), tx.tx.Data())
|
|
|
+ } else {
|
|
|
+ newTx = types.NewTransaction(tx.tx.Nonce(), *tx.tx.To(), tx.tx.Value(), gasPrice.BigInt(), gasLimit.BigInt(), tx.tx.Data())
|
|
|
+ }
|
|
|
+
|
|
|
+ signedTx, err := s.sign(tx.From, newTx)
|
|
|
+ if err != nil {
|
|
|
+ return common.Hash{}, err
|
|
|
+ }
|
|
|
+
|
|
|
+ s.b.RemoveTx(tx.Hash)
|
|
|
+ if err = s.b.SendTx(ctx, signedTx); err != nil {
|
|
|
+ return common.Hash{}, err
|
|
|
+ }
|
|
|
+
|
|
|
+ return signedTx.Hash(), nil
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return common.Hash{}, fmt.Errorf("Transaction %#x not found", tx.Hash)
|
|
|
+}
|
|
|
+
|
|
|
+// PrivateAdminAPI is the collection of Etheruem APIs exposed over the private
|
|
|
+// admin endpoint.
|
|
|
+type PrivateAdminAPI struct {
|
|
|
+ b Backend
|
|
|
+ solcPath *string
|
|
|
+ solc **compiler.Solidity
|
|
|
+}
|
|
|
+
|
|
|
+// NewPrivateAdminAPI creates a new API definition for the private admin methods
|
|
|
+// of the Ethereum service.
|
|
|
+func NewPrivateAdminAPI(b Backend, solcPath *string, solc **compiler.Solidity) *PrivateAdminAPI {
|
|
|
+ return &PrivateAdminAPI{b, solcPath, solc}
|
|
|
+}
|
|
|
+
|
|
|
+// SetSolc sets the Solidity compiler path to be used by the node.
|
|
|
+func (api *PrivateAdminAPI) SetSolc(path string) (string, error) {
|
|
|
+ var err error
|
|
|
+ *api.solcPath = path
|
|
|
+ *api.solc, err = compiler.New(path)
|
|
|
+ if err != nil {
|
|
|
+ return "", err
|
|
|
+ }
|
|
|
+ return (*api.solc).Info(), nil
|
|
|
+}
|
|
|
+
|
|
|
+// PublicDebugAPI is the collection of Etheruem APIs exposed over the public
|
|
|
+// debugging endpoint.
|
|
|
+type PublicDebugAPI struct {
|
|
|
+ b Backend
|
|
|
+}
|
|
|
+
|
|
|
+// NewPublicDebugAPI creates a new API definition for the public debug methods
|
|
|
+// of the Ethereum service.
|
|
|
+func NewPublicDebugAPI(b Backend) *PublicDebugAPI {
|
|
|
+ return &PublicDebugAPI{b: b}
|
|
|
+}
|
|
|
+
|
|
|
+// GetBlockRlp retrieves the RLP encoded for of a single block.
|
|
|
+func (api *PublicDebugAPI) GetBlockRlp(ctx context.Context, number uint64) (string, error) {
|
|
|
+ block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number))
|
|
|
+ if block == nil {
|
|
|
+ return "", fmt.Errorf("block #%d not found", number)
|
|
|
+ }
|
|
|
+ encoded, err := rlp.EncodeToBytes(block)
|
|
|
+ if err != nil {
|
|
|
+ return "", err
|
|
|
+ }
|
|
|
+ return fmt.Sprintf("%x", encoded), nil
|
|
|
+}
|
|
|
+
|
|
|
+// PrintBlock retrieves a block and returns its pretty printed form.
|
|
|
+func (api *PublicDebugAPI) PrintBlock(ctx context.Context, number uint64) (string, error) {
|
|
|
+ block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number))
|
|
|
+ if block == nil {
|
|
|
+ return "", fmt.Errorf("block #%d not found", number)
|
|
|
+ }
|
|
|
+ return fmt.Sprintf("%s", block), nil
|
|
|
+}
|
|
|
+
|
|
|
+// SeedHash retrieves the seed hash of a block.
|
|
|
+func (api *PublicDebugAPI) SeedHash(ctx context.Context, number uint64) (string, error) {
|
|
|
+ block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number))
|
|
|
+ if block == nil {
|
|
|
+ return "", fmt.Errorf("block #%d not found", number)
|
|
|
+ }
|
|
|
+ hash, err := ethash.GetSeedHash(number)
|
|
|
+ if err != nil {
|
|
|
+ return "", err
|
|
|
+ }
|
|
|
+ return fmt.Sprintf("0x%x", hash), nil
|
|
|
+}
|
|
|
+
|
|
|
+// PrivateDebugAPI is the collection of Etheruem APIs exposed over the private
|
|
|
+// debugging endpoint.
|
|
|
+type PrivateDebugAPI struct {
|
|
|
+ b Backend
|
|
|
+}
|
|
|
+
|
|
|
+// NewPrivateDebugAPI creates a new API definition for the private debug methods
|
|
|
+// of the Ethereum service.
|
|
|
+func NewPrivateDebugAPI(b Backend) *PrivateDebugAPI {
|
|
|
+ return &PrivateDebugAPI{b: b}
|
|
|
+}
|
|
|
+
|
|
|
+// ChaindbProperty returns leveldb properties of the chain database.
|
|
|
+func (api *PrivateDebugAPI) ChaindbProperty(property string) (string, error) {
|
|
|
+ ldb, ok := api.b.ChainDb().(interface {
|
|
|
+ LDB() *leveldb.DB
|
|
|
+ })
|
|
|
+ if !ok {
|
|
|
+ return "", fmt.Errorf("chaindbProperty does not work for memory databases")
|
|
|
+ }
|
|
|
+ if property == "" {
|
|
|
+ property = "leveldb.stats"
|
|
|
+ } else if !strings.HasPrefix(property, "leveldb.") {
|
|
|
+ property = "leveldb." + property
|
|
|
+ }
|
|
|
+ return ldb.LDB().GetProperty(property)
|
|
|
+}
|
|
|
+
|
|
|
+// SetHead rewinds the head of the blockchain to a previous block.
|
|
|
+func (api *PrivateDebugAPI) SetHead(number uint64) {
|
|
|
+ api.b.SetHead(number)
|
|
|
+}
|
|
|
+
|
|
|
+// PublicNetAPI offers network related RPC methods
|
|
|
+type PublicNetAPI struct {
|
|
|
+ net *p2p.Server
|
|
|
+ networkVersion int
|
|
|
+}
|
|
|
+
|
|
|
+// NewPublicNetAPI creates a new net API instance.
|
|
|
+func NewPublicNetAPI(net *p2p.Server, networkVersion int) *PublicNetAPI {
|
|
|
+ return &PublicNetAPI{net, networkVersion}
|
|
|
+}
|
|
|
+
|
|
|
+// Listening returns an indication if the node is listening for network connections.
|
|
|
+func (s *PublicNetAPI) Listening() bool {
|
|
|
+ return true // always listening
|
|
|
+}
|
|
|
+
|
|
|
+// PeerCount returns the number of connected peers
|
|
|
+func (s *PublicNetAPI) PeerCount() *rpc.HexNumber {
|
|
|
+ return rpc.NewHexNumber(s.net.PeerCount())
|
|
|
+}
|
|
|
+
|
|
|
+// Version returns the current ethereum protocol version.
|
|
|
+func (s *PublicNetAPI) Version() string {
|
|
|
+ return fmt.Sprintf("%d", s.networkVersion)
|
|
|
+}
|
zsfelfoldi