jsonrpc

package
v0.0.3-R13 Latest Latest
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 Go to latest Published: Mar 6, 2023 License: GPL-3.0 Imports: 31 Imported by: 2

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Index

Constants

View Source 
const (
	// PendingBlockNumber represents the pending block number
	PendingBlockNumber = BlockNumber(-3)
	// LatestBlockNumber represents the latest block number
	LatestBlockNumber = BlockNumber(-2)
	// EarliestBlockNumber represents the earliest block number
	EarliestBlockNumber = BlockNumber(-1)

	// LatestBatchNumber represents the latest batch number
	LatestBatchNumber = BatchNumber(-2)
	// EarliestBatchNumber represents the earliest batch number
	EarliestBatchNumber = BatchNumber(-1)

	// Earliest contains the string to represent the earliest block known.
	Earliest = "earliest"
	// Latest contains the string to represent the latest block known.
	Latest = "latest"
	// Pending contains the string to represent pending blocks.
	Pending = "pending"
)
View Source 
const (
	// FilterTypeLog represents a filter of type log.
	FilterTypeLog = "log"
	// FilterTypeBlock represents a filter of type block.
	FilterTypeBlock = "block"
	// FilterTypePendingTx represent a filter of type pending Tx.
	FilterTypePendingTx = "pendingTx"
)
View Source 
const (
	// APIEth represents the eth API prefix.
	APIEth = "eth"
	// APINet represents the net API prefix.
	APINet = "net"
	// APIDebug represents the debug API prefix.
	APIDebug = "debug"
	// APIZKEVM represents the zkevm API prefix.
	APIZKEVM = "zkevm"
	// APITxPool represents the txpool API prefix.
	APITxPool = "txpool"
	// APIWeb3 represents the web3 API prefix.
	APIWeb3 = "web3"
)

Variables

View Source 
var ErrFilterInvalidPayload = errors.New("invalid argument 0: cannot specify both BlockHash and FromBlock/ToBlock, choose one or the other")

ErrFilterInvalidPayload indicates there is an invalid payload when creating a filter

View Source 
var ErrNotFound = errors.New("object not found")

ErrNotFound represent a not found error.

Functions

This section is empty.

Types

type BatchNumber 

type BatchNumber int64

BatchNumber is the number of a ethereum block

func (*BatchNumber) UnmarshalJSON 

func (b *BatchNumber) UnmarshalJSON(buffer []byte) error

UnmarshalJSON automatically decodes the user input for the block number, when a JSON RPC method is called

type BlockNumber 

type BlockNumber int64

BlockNumber is the number of a ethereum block

func (*BlockNumber) UnmarshalJSON 

func (b *BlockNumber) UnmarshalJSON(buffer []byte) error

UnmarshalJSON automatically decodes the user input for the block number, when a JSON RPC method is called

type Config 

type Config struct {
	Host              string        `mapstructure:"Host"`
	Port              int           `mapstructure:"Port"`
	ReadTimeoutInSec  time.Duration `mapstructure:"ReadTimeoutInSec"`
	WriteTimeoutInSec time.Duration `mapstructure:"WriteTimeoutInSec"`

	MaxRequestsPerIPAndSecond float64 `mapstructure:"MaxRequestsPerIPAndSecond"`

	// SequencerNodeURI is used allow Non-Sequencer nodes
	// to relay transactions to the Sequencer node
	SequencerNodeURI string `mapstructure:"SequencerNodeURI"`

	// BroadcastURI is the URL of the Trusted State broadcast service
	BroadcastURI string `mapstructure:"BroadcastURI"`

	// DefaultSenderAddress is the address that jRPC will use
	// to communicate with the state for eth_EstimateGas and eth_Call when
	// the From field is not specified because it is optional
	DefaultSenderAddress string `mapstructure:"DefaultSenderAddress"`

	// MaxCumulativeGasUsed is the max gas allowed per batch
	MaxCumulativeGasUsed uint64

	// ChainID is the L2 ChainID provided by the Network Config
	ChainID uint64

	// Websockets
	WebSockets WebSocketsConfig `mapstructure:"WebSockets"`
}

Config represents the configuration of the json rpc

type DebugEndpoints 

type DebugEndpoints struct {
	// contains filtered or unexported fields
}

DebugEndpoints is the debug jsonrpc endpoint

func (*DebugEndpoints) TraceTransaction 

func (d *DebugEndpoints) TraceTransaction(hash common.Hash, cfg *traceConfig) (interface{}, rpcError)

TraceTransaction creates a response for debug_traceTransaction request. See https://geth.ethereum.org/docs/rpc/ns-debug#debug_tracetransaction

type ErrorObject 

type ErrorObject struct {
	Code    int       `json:"code"`
	Message string    `json:"message"`
	Data    *argBytes `json:"data,omitempty"`
}

ErrorObject is a jsonrpc error

type EthEndpoints 

type EthEndpoints struct {
	// contains filtered or unexported fields
}

EthEndpoints contains implementations for the "eth" RPC endpoints

func (*EthEndpoints) BlockNumber 

func (e *EthEndpoints) BlockNumber() (interface{}, rpcError)

BlockNumber returns current block number

func (*EthEndpoints) Call 

func (e *EthEndpoints) Call(arg *txnArgs, number *BlockNumber) (interface{}, rpcError)

Call executes a new message call immediately and returns the value of executed contract and potential error. Note, this function doesn't make any changes in the state/blockchain and is useful to execute view/pure methods and retrieve values.

func (*EthEndpoints) ChainId 

func (e *EthEndpoints) ChainId() (interface{}, rpcError)

ChainId returns the chain id of the client

func (*EthEndpoints) EstimateGas 

func (e *EthEndpoints) EstimateGas(arg *txnArgs, number *BlockNumber) (interface{}, rpcError)

EstimateGas generates and returns an estimate of how much gas is necessary to allow the transaction to complete. The transaction will not be added to the blockchain. Note that the estimate may be significantly more than the amount of gas actually used by the transaction, for a variety of reasons including EVM mechanics and node performance.

func (*EthEndpoints) GasPrice 

func (e *EthEndpoints) GasPrice() (interface{}, rpcError)

GasPrice returns the average gas price based on the last x blocks

func (*EthEndpoints) GetBalance 

func (e *EthEndpoints) GetBalance(address common.Address, number *BlockNumber) (interface{}, rpcError)

GetBalance returns the account's balance at the referenced block

func (*EthEndpoints) GetBlockByHash 

func (e *EthEndpoints) GetBlockByHash(hash common.Hash, fullTx bool) (interface{}, rpcError)

GetBlockByHash returns information about a block by hash

func (*EthEndpoints) GetBlockByNumber 

func (e *EthEndpoints) GetBlockByNumber(number BlockNumber, fullTx bool) (interface{}, rpcError)

GetBlockByNumber returns information about a block by block number

func (*EthEndpoints) GetBlockTransactionCountByHash 

func (e *EthEndpoints) GetBlockTransactionCountByHash(hash common.Hash) (interface{}, rpcError)

GetBlockTransactionCountByHash returns the number of transactions in a block from a block matching the given block hash.

func (*EthEndpoints) GetBlockTransactionCountByNumber 

func (e *EthEndpoints) GetBlockTransactionCountByNumber(number *BlockNumber) (interface{}, rpcError)

GetBlockTransactionCountByNumber returns the number of transactions in a block from a block matching the given block number.

func (*EthEndpoints) GetCode 

func (e *EthEndpoints) GetCode(address common.Address, number *BlockNumber) (interface{}, rpcError)

GetCode returns account code at given block number

func (*EthEndpoints) GetCompilers 

func (e *EthEndpoints) GetCompilers() (interface{}, rpcError)

GetCompilers eth_getCompilers

func (*EthEndpoints) GetFilterChanges 

func (e *EthEndpoints) GetFilterChanges(filterID string) (interface{}, rpcError)

GetFilterChanges polling method for a filter, which returns an array of logs which occurred since last poll.

func (*EthEndpoints) GetFilterLogs 

func (e *EthEndpoints) GetFilterLogs(filterID string) (interface{}, rpcError)

GetFilterLogs returns an array of all logs matching filter with given id.

func (*EthEndpoints) GetLogs 

func (e *EthEndpoints) GetLogs(filter LogFilter) (interface{}, rpcError)

GetLogs returns a list of logs accordingly to the provided filter

func (*EthEndpoints) GetStorageAt 

func (e *EthEndpoints) GetStorageAt(address common.Address, position common.Hash, number *BlockNumber) (interface{}, rpcError)

GetStorageAt gets the value stored for an specific address and position

func (*EthEndpoints) GetTransactionByBlockHashAndIndex 

func (e *EthEndpoints) GetTransactionByBlockHashAndIndex(hash common.Hash, index Index) (interface{}, rpcError)

GetTransactionByBlockHashAndIndex returns information about a transaction by block hash and transaction index position.

func (*EthEndpoints) GetTransactionByBlockNumberAndIndex 

func (e *EthEndpoints) GetTransactionByBlockNumberAndIndex(number *BlockNumber, index Index) (interface{}, rpcError)

GetTransactionByBlockNumberAndIndex returns information about a transaction by block number and transaction index position.

func (*EthEndpoints) GetTransactionByHash 

func (e *EthEndpoints) GetTransactionByHash(hash common.Hash) (interface{}, rpcError)

GetTransactionByHash returns a transaction by his hash

func (*EthEndpoints) GetTransactionCount 

func (e *EthEndpoints) GetTransactionCount(address common.Address, number *BlockNumber) (interface{}, rpcError)

GetTransactionCount returns account nonce

func (*EthEndpoints) GetTransactionReceipt 

func (e *EthEndpoints) GetTransactionReceipt(hash common.Hash) (interface{}, rpcError)

GetTransactionReceipt returns a transaction receipt by his hash

func (*EthEndpoints) GetUncleByBlockHashAndIndex 

func (e *EthEndpoints) GetUncleByBlockHashAndIndex() (interface{}, rpcError)

GetUncleByBlockHashAndIndex returns information about a uncle of a block by hash and uncle index position

func (*EthEndpoints) GetUncleByBlockNumberAndIndex 

func (e *EthEndpoints) GetUncleByBlockNumberAndIndex() (interface{}, rpcError)

GetUncleByBlockNumberAndIndex returns information about a uncle of a block by number and uncle index position

func (*EthEndpoints) GetUncleCountByBlockHash 

func (e *EthEndpoints) GetUncleCountByBlockHash() (interface{}, rpcError)

GetUncleCountByBlockHash returns the number of uncles in a block matching the given block hash

func (*EthEndpoints) GetUncleCountByBlockNumber 

func (e *EthEndpoints) GetUncleCountByBlockNumber() (interface{}, rpcError)

GetUncleCountByBlockNumber returns the number of uncles in a block matching the given block number

func (*EthEndpoints) NewBlockFilter 

func (e *EthEndpoints) NewBlockFilter() (interface{}, rpcError)

NewBlockFilter creates a filter in the node, to notify when a new block arrives. To check if the state has changed, call eth_getFilterChanges.

func (*EthEndpoints) NewFilter 

func (e *EthEndpoints) NewFilter(filter LogFilter) (interface{}, rpcError)

NewFilter creates a filter object, based on filter options, to notify when the state changes (logs). To check if the state has changed, call eth_getFilterChanges.

func (*EthEndpoints) NewPendingTransactionFilter 

func (e *EthEndpoints) NewPendingTransactionFilter() (interface{}, rpcError)

NewPendingTransactionFilter creates a filter in the node, to notify when new pending transactions arrive. To check if the state has changed, call eth_getFilterChanges.

func (*EthEndpoints) ProtocolVersion 

func (e *EthEndpoints) ProtocolVersion() (interface{}, rpcError)

ProtocolVersion returns the protocol version.

func (*EthEndpoints) SendRawTransaction 

func (e *EthEndpoints) SendRawTransaction(input string) (interface{}, rpcError)

SendRawTransaction has two different ways to handle new transactions: - for Sequencer nodes it tries to add the tx to the pool - for Non-Sequencer nodes it relays the Tx to the Sequencer node

func (*EthEndpoints) Subscribe 

func (e *EthEndpoints) Subscribe(wsConn *websocket.Conn, name string, logFilter *LogFilter) (interface{}, rpcError)

Subscribe Creates a new subscription over particular events. The node will return a subscription id. For each event that matches the subscription a notification with relevant data is sent together with the subscription id.

func (*EthEndpoints) Syncing 

func (e *EthEndpoints) Syncing() (interface{}, rpcError)

Syncing returns an object with data about the sync status or false. https://eth.wiki/json-rpc/API#eth_syncing

func (*EthEndpoints) UninstallFilter 

func (e *EthEndpoints) UninstallFilter(filterID string) (interface{}, rpcError)

UninstallFilter uninstalls a filter with given id.

func (*EthEndpoints) Unsubscribe 

func (e *EthEndpoints) Unsubscribe(wsConn *websocket.Conn, filterID string) (interface{}, rpcError)

Unsubscribe uninstalls the filter based on the provided filterID

type Filter 

type Filter struct {
	ID         string
	Type       FilterType
	Parameters interface{}
	LastPoll   time.Time
	WsConn     *websocket.Conn
}

Filter represents a filter.

type FilterType 

type FilterType string

FilterType express the type of the filter, block, logs, pending transactions

type Handler 

type Handler struct {
	// contains filtered or unexported fields
}

Handler manage services to handle jsonrpc requests

Services are public structures containing public methods matching the name of the jsonrpc method.

Services must be registered with a prefix to identify the service and its methods, for example a service registered with a prefix `eth` will have all the public methods exposed as eth_<methodName> through the json rpc server.

Go public methods requires the first char of its name to be in uppercase, but the exposition of the method will consider it to lower case, for example a method `func MyMethod()` provided by the service registered with `eth` prefix will be triggered when the method eth_myMethod is specified

the public methods must follow the conventions: - return interface{}, rpcError - if the method depend on a Web Socket connection, it must be the first parameters as f(*websocket.Conn) - parameter types must match the type of the data provided for the method

check the `eth.go` file for more example on how the methods are implemented

func (*Handler) Handle 

func (h *Handler) Handle(req handleRequest) Response

Handle is the function that knows which and how a function should be executed when a JSON RPC request is received

func (*Handler) HandleWs 

func (h *Handler) HandleWs(reqBody []byte, wsConn *websocket.Conn) ([]byte, error)

HandleWs handle websocket requests

func (*Handler) RemoveFilterByWsConn 

func (h *Handler) RemoveFilterByWsConn(wsConn *websocket.Conn)

RemoveFilterByWsConn uninstalls the filter attached to this websocket connection

type Index 

type Index int64

Index of a item

func (*Index) UnmarshalJSON 

func (i *Index) UnmarshalJSON(buffer []byte) error

UnmarshalJSON automatically decodes the user input for the block number, when a JSON RPC method is called

type LogFilter 

type LogFilter struct {
	BlockHash *common.Hash
	FromBlock *BlockNumber
	ToBlock   *BlockNumber
	Addresses []common.Address
	Topics    [][]common.Hash
	Since     *time.Time
}

LogFilter is a filter for logs

func (*LogFilter) MarshalJSON 

func (f *LogFilter) MarshalJSON() ([]byte, error)

MarshalJSON allows to customize the JSON representation.

func (*LogFilter) Match 

func (f *LogFilter) Match(log *types.Log) bool

Match returns whether the receipt includes topics for this filter

func (*LogFilter) UnmarshalJSON 

func (f *LogFilter) UnmarshalJSON(data []byte) error

UnmarshalJSON decodes a json object

type LogFilterRequest 

type LogFilterRequest struct {
	BlockHash *common.Hash  `json:"blockHash,omitempty"`
	FromBlock *string       `json:"fromBlock,omitempty"`
	ToBlock   *string       `json:"toBlock,omitempty"`
	Address   interface{}   `json:"address,omitempty"`
	Topics    []interface{} `json:"topics,omitempty"`
}

LogFilterRequest represents a log filter request.

type NetEndpoints 

type NetEndpoints struct {
	// contains filtered or unexported fields
}

NetEndpoints contains implementations for the "net" RPC endpoints

func (*NetEndpoints) Version 

func (n *NetEndpoints) Version() (interface{}, rpcError)

Version returns the current network id

type RPCError 

type RPCError struct {
	// contains filtered or unexported fields
}

RPCError represents an RPC error.

func (*RPCError) Error 

func (e *RPCError) Error() string

Error returns the error message.

func (*RPCError) ErrorCode 

func (e *RPCError) ErrorCode() int

ErrorCode returns the error code.

func (*RPCError) ErrorData 

func (e *RPCError) ErrorData() *[]byte

ErrorData returns the error data.

type Request 

type Request struct {
	JSONRPC string          `json:"jsonrpc"`
	ID      interface{}     `json:"id"`
	Method  string          `json:"method"`
	Params  json.RawMessage `json:"params,omitempty"`
}

Request is a jsonrpc request

type Response 

type Response struct {
	JSONRPC string
	ID      interface{}
	Result  json.RawMessage
	Error   *ErrorObject
}

Response is a jsonrpc success response

func JSONRPCCall 

func JSONRPCCall(url, method string, parameters ...interface{}) (Response, error)

JSONRPCCall executes a 2.0 JSON RPC HTTP Post Request to the provided URL with the provided method and parameters, which is compatible with the Ethereum JSON RPC Server.

func NewResponse 

func NewResponse(req Request, reply []byte, err rpcError) Response

NewResponse returns Success/Error response object

func (Response) Bytes 

func (s Response) Bytes() ([]byte, error)

Bytes return the serialized response

func (Response) MarshalJSON 

func (r Response) MarshalJSON() ([]byte, error)

MarshalJSON customizes the JSON representation of the response.

type Server 

type Server struct {
	// contains filtered or unexported fields
}

Server is an API backend to handle RPC requests

func NewServer 

func NewServer(
	cfg Config,
	p jsonRPCTxPool,
	s stateInterface,
	storage storageInterface,
	apis map[string]bool,
) *Server

NewServer returns the JsonRPC server

func (*Server) Start 

func (s *Server) Start() error

Start initializes the JSON RPC server to listen for request

func (*Server) Stop 

func (s *Server) Stop() error

Stop shutdown the rpc server

type Storage 

type Storage struct {
	// contains filtered or unexported fields
}

Storage uses memory to store the data related to the json rpc server

func NewStorage 

func NewStorage() *Storage

NewStorage creates and initializes an instance of Storage

func (*Storage) GetAllBlockFiltersWithWSConn 

func (s *Storage) GetAllBlockFiltersWithWSConn() ([]*Filter, error)

GetAllBlockFiltersWithWSConn returns an array with all filter that have a web socket connection and are filtering by new blocks

func (*Storage) GetAllLogFiltersWithWSConn 

func (s *Storage) GetAllLogFiltersWithWSConn() ([]*Filter, error)

GetAllLogFiltersWithWSConn returns an array with all filter that have a web socket connection and are filtering by new logs

func (*Storage) GetFilter 

func (s *Storage) GetFilter(filterID string) (*Filter, error)

GetFilter gets a filter by its id

func (*Storage) NewBlockFilter 

func (s *Storage) NewBlockFilter(wsConn *websocket.Conn) (string, error)

NewBlockFilter persists a new block log filter

func (*Storage) NewLogFilter 

func (s *Storage) NewLogFilter(wsConn *websocket.Conn, filter LogFilter) (string, error)

NewLogFilter persists a new log filter

func (*Storage) NewPendingTransactionFilter 

func (s *Storage) NewPendingTransactionFilter(wsConn *websocket.Conn) (string, error)

NewPendingTransactionFilter persists a new pending transaction filter

func (*Storage) UninstallFilter 

func (s *Storage) UninstallFilter(filterID string) error

UninstallFilter deletes a filter by its id

func (*Storage) UninstallFilterByWSConn 

func (s *Storage) UninstallFilterByWSConn(wsConn *websocket.Conn) error

UninstallFilterByWSConn deletes all filters connected to the provided web socket connection

func (*Storage) UpdateFilterLastPoll 

func (s *Storage) UpdateFilterLastPoll(filterID string) error

UpdateFilterLastPoll updates the last poll to now

type StructLogRes 

type StructLogRes struct {
	Pc            uint64             `json:"pc"`
	Op            string             `json:"op"`
	Gas           uint64             `json:"gas"`
	GasCost       uint64             `json:"gasCost"`
	Depth         int                `json:"depth"`
	Error         string             `json:"error,omitempty"`
	Stack         *[]argBig          `json:"stack,omitempty"`
	Memory        *argBytes          `json:"memory,omitempty"`
	Storage       *map[string]string `json:"storage,omitempty"`
	RefundCounter uint64             `json:"refund,omitempty"`
}

StructLogRes represents a log response.

type SubscriptionResponse 

type SubscriptionResponse struct {
	JSONRPC string                     `json:"jsonrpc"`
	Method  string                     `json:"method"`
	Params  SubscriptionResponseParams `json:"params"`
}

SubscriptionResponse used to push response for filters that have an active web socket connection

func (SubscriptionResponse) Bytes 

func (s SubscriptionResponse) Bytes() ([]byte, error)

Bytes return the serialized response

type SubscriptionResponseParams 

type SubscriptionResponseParams struct {
	Subscription string          `json:"subscription"`
	Result       json.RawMessage `json:"result"`
}

SubscriptionResponseParams parameters for subscription responses

type TxPoolEndpoints 

type TxPoolEndpoints struct{}

TxPoolEndpoints is the txpool jsonrpc endpoint

func (*TxPoolEndpoints) Content 

func (e *TxPoolEndpoints) Content() (interface{}, rpcError)

Content creates a response for txpool_content request. See https://geth.ethereum.org/docs/rpc/ns-txpool#txpool_content.

type Web3Endpoints 

type Web3Endpoints struct {
}

Web3Endpoints contains implementations for the "web3" RPC endpoints

func (*Web3Endpoints) ClientVersion 

func (e *Web3Endpoints) ClientVersion() (interface{}, rpcError)

ClientVersion returns the client version.

func (*Web3Endpoints) Sha3 

func (e *Web3Endpoints) Sha3(data argBig) (interface{}, rpcError)

Sha3 returns the keccak256 hash of the given data.

type WebSocketsConfig 

type WebSocketsConfig struct {
	Enabled bool `mapstructure:"Enabled"`
	Port    int  `mapstructure:"Port"`
}

WebSocketsConfig has parameters to config the rpc websocket support

type ZKEVMEndpoints 

type ZKEVMEndpoints struct {
	// contains filtered or unexported fields
}

ZKEVMEndpoints contains implementations for the "zkevm" RPC endpoints

func (*ZKEVMEndpoints) BatchNumber 

func (z *ZKEVMEndpoints) BatchNumber() (interface{}, rpcError)

BatchNumber returns the latest virtualized batch number

func (*ZKEVMEndpoints) BatchNumberByBlockNumber 

func (z *ZKEVMEndpoints) BatchNumberByBlockNumber(blockNumber argUint64) (interface{}, rpcError)

BatchNumberByBlockNumber returns the batch number from which the passed block number is created

func (*ZKEVMEndpoints) ConsolidatedBlockNumber 

func (z *ZKEVMEndpoints) ConsolidatedBlockNumber() (interface{}, rpcError)

ConsolidatedBlockNumber returns current block number for consolidated blocks

func (*ZKEVMEndpoints) GetBatchByNumber 

func (z *ZKEVMEndpoints) GetBatchByNumber(batchNumber BatchNumber, fullTx bool) (interface{}, rpcError)

GetBatchByNumber returns information about a batch by batch number

func (*ZKEVMEndpoints) GetBroadcastURI 

func (z *ZKEVMEndpoints) GetBroadcastURI() (interface{}, rpcError)

GetBroadcastURI returns the IP:PORT of the broadcast service provided by the Trusted Sequencer JSON RPC server

func (*ZKEVMEndpoints) IsBlockConsolidated 

func (z *ZKEVMEndpoints) IsBlockConsolidated(blockNumber argUint64) (interface{}, rpcError)

IsBlockConsolidated returns the consolidation status of a provided block number

func (*ZKEVMEndpoints) IsBlockVirtualized 

func (z *ZKEVMEndpoints) IsBlockVirtualized(blockNumber argUint64) (interface{}, rpcError)

IsBlockVirtualized returns the virtualization status of a provided block number

func (*ZKEVMEndpoints) VerifiedBatchNumber 

func (z *ZKEVMEndpoints) VerifiedBatchNumber() (interface{}, rpcError)

VerifiedBatchNumber returns the latest verified batch number

func (*ZKEVMEndpoints) VirtualBatchNumber 

func (z *ZKEVMEndpoints) VirtualBatchNumber() (interface{}, rpcError)

VirtualBatchNumber returns the latest virtualized batch number

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