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eth_api.go
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package commands
import (
"context"
"math/big"
rpcfilters "github.com/ledgerwatch/turbo-geth/cmd/rpcdaemon/filters"
"github.com/ledgerwatch/turbo-geth/common"
"github.com/ledgerwatch/turbo-geth/common/hexutil"
"github.com/ledgerwatch/turbo-geth/core"
"github.com/ledgerwatch/turbo-geth/core/types"
"github.com/ledgerwatch/turbo-geth/eth/filters"
"github.com/ledgerwatch/turbo-geth/ethdb"
"github.com/ledgerwatch/turbo-geth/internal/ethapi"
"github.com/ledgerwatch/turbo-geth/rpc"
)
// EthAPI is a collection of functions that are exposed in the
type EthAPI interface {
// Block related (proposed file: ./eth_blocks.go)
GetBlockByNumber(ctx context.Context, number rpc.BlockNumber, fullTx bool) (map[string]interface{}, error)
GetBlockByHash(ctx context.Context, hash rpc.BlockNumberOrHash, fullTx bool) (map[string]interface{}, error)
GetBlockTransactionCountByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*hexutil.Uint, error)
GetBlockTransactionCountByHash(ctx context.Context, blockHash common.Hash) (*hexutil.Uint, error)
// Transaction related (see ./eth_txs.go)
GetTransactionByHash(ctx context.Context, hash common.Hash) (*RPCTransaction, error)
GetTransactionByBlockHashAndIndex(ctx context.Context, blockHash common.Hash, txIndex hexutil.Uint64) (*RPCTransaction, error)
GetTransactionByBlockNumberAndIndex(ctx context.Context, blockNr rpc.BlockNumber, txIndex hexutil.Uint) (*RPCTransaction, error)
// Receipt related (see ./eth_receipts.go)
GetTransactionReceipt(ctx context.Context, hash common.Hash) (map[string]interface{}, error)
GetLogs(ctx context.Context, crit filters.FilterCriteria) ([]*types.Log, error)
// Uncle related (see ./eth_uncles.go)
GetUncleByBlockNumberAndIndex(ctx context.Context, blockNr rpc.BlockNumber, index hexutil.Uint) (map[string]interface{}, error)
GetUncleByBlockHashAndIndex(ctx context.Context, hash common.Hash, index hexutil.Uint) (map[string]interface{}, error)
GetUncleCountByBlockNumber(ctx context.Context, number rpc.BlockNumber) (*hexutil.Uint, error)
GetUncleCountByBlockHash(ctx context.Context, hash common.Hash) (*hexutil.Uint, error)
// Filter related (see ./eth_filters.go)
NewPendingTransactionFilter(_ context.Context) (hexutil.Uint64, error)
NewBlockFilter(_ context.Context) (hexutil.Uint64, error)
NewFilter(_ context.Context, filter interface{}) (hexutil.Uint64, error)
UninstallFilter(_ context.Context, index hexutil.Uint64) (bool, error)
GetFilterChanges(_ context.Context, index hexutil.Uint64) ([]interface{}, error)
// Account related (see ./eth_accounts.go)
Accounts(ctx context.Context) ([]common.Address, error)
GetBalance(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (*hexutil.Big, error)
GetTransactionCount(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (*hexutil.Uint64, error)
GetStorageAt(ctx context.Context, address common.Address, index string, blockNrOrHash rpc.BlockNumberOrHash) (string, error)
GetCode(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error)
// System related (see ./eth_system.go)
BlockNumber(ctx context.Context) (hexutil.Uint64, error)
Syncing(ctx context.Context) (interface{}, error)
ChainId(ctx context.Context) (hexutil.Uint64, error) /* called eth_protocolVersion elsewhere */
ProtocolVersion(_ context.Context) (hexutil.Uint, error)
GasPrice(_ context.Context) (*hexutil.Big, error)
// Sending related (see ./eth_call.go)
Call(ctx context.Context, args ethapi.CallArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides *map[common.Address]ethapi.Account) (hexutil.Bytes, error)
EstimateGas(ctx context.Context, args ethapi.CallArgs) (hexutil.Uint64, error)
SendRawTransaction(ctx context.Context, encodedTx hexutil.Bytes) (common.Hash, error)
SendTransaction(_ context.Context, txObject interface{}) (common.Hash, error)
Sign(ctx context.Context, _ common.Address, _ hexutil.Bytes) (hexutil.Bytes, error)
SignTransaction(_ context.Context, txObject interface{}) (common.Hash, error)
GetProof(ctx context.Context, address common.Address, storageKeys []string, blockNr rpc.BlockNumber) (*interface{}, error)
// Mining related (see ./eth_mining.go)
Coinbase(_ context.Context) (common.Address, error)
Hashrate(_ context.Context) (uint64, error)
Mining(_ context.Context) (bool, error)
GetWork(_ context.Context) ([]interface{}, error)
SubmitWork(_ context.Context, nonce rpc.BlockNumber, powHash, digest common.Hash) (bool, error)
SubmitHashrate(_ context.Context, hashRate common.Hash, id string) (bool, error)
// Deprecated commands in eth_ (proposed file: ./eth_deprecated.go)
GetCompilers(_ context.Context) ([]string, error)
CompileLLL(_ context.Context, _ string) (hexutil.Bytes, error)
CompileSolidity(ctx context.Context, _ string) (hexutil.Bytes, error)
CompileSerpent(ctx context.Context, _ string) (hexutil.Bytes, error)
}
// APIImpl is implementation of the EthAPI interface based on remote Db access
type APIImpl struct {
db ethdb.KV
ethBackend ethdb.Backend
dbReader ethdb.Database
chainContext core.ChainContext
GasCap uint64
filters *rpcfilters.Filters
}
// NewEthAPI returns APIImpl instance
func NewEthAPI(db ethdb.KV, dbReader ethdb.Database, eth ethdb.Backend, gascap uint64, filters *rpcfilters.Filters) *APIImpl {
return &APIImpl{
db: db,
dbReader: dbReader,
ethBackend: eth,
GasCap: gascap,
filters: filters,
}
}
// RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction
type RPCTransaction struct {
BlockHash *common.Hash `json:"blockHash"`
BlockNumber *hexutil.Big `json:"blockNumber"`
From common.Address `json:"from"`
Gas hexutil.Uint64 `json:"gas"`
GasPrice *hexutil.Big `json:"gasPrice"`
Hash common.Hash `json:"hash"`
Input hexutil.Bytes `json:"input"`
Nonce hexutil.Uint64 `json:"nonce"`
R *hexutil.Big `json:"r"`
S *hexutil.Big `json:"s"`
To *common.Address `json:"to"`
TransactionIndex *hexutil.Uint64 `json:"transactionIndex"`
V *hexutil.Big `json:"v"`
Value *hexutil.Big `json:"value"`
}
// newRPCTransaction returns a transaction that will serialize to the RPC
// representation, with the given location metadata set (if available).
func newRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber uint64, index uint64) *RPCTransaction {
var signer types.Signer = types.FrontierSigner{}
if tx.Protected() {
signer = types.NewEIP155Signer(tx.ChainID().ToBig())
}
from, _ := types.Sender(signer, tx)
v, r, s := tx.RawSignatureValues()
result := &RPCTransaction{
From: from,
Gas: hexutil.Uint64(tx.Gas()),
GasPrice: (*hexutil.Big)(tx.GasPrice().ToBig()),
Hash: tx.Hash(),
Input: hexutil.Bytes(tx.Data()),
Nonce: hexutil.Uint64(tx.Nonce()),
R: (*hexutil.Big)(r.ToBig()),
S: (*hexutil.Big)(s.ToBig()),
To: tx.To(),
V: (*hexutil.Big)(v.ToBig()),
Value: (*hexutil.Big)(tx.Value().ToBig()),
}
if blockHash != (common.Hash{}) {
result.BlockHash = &blockHash
result.BlockNumber = (*hexutil.Big)(new(big.Int).SetUint64(blockNumber))
result.TransactionIndex = (*hexutil.Uint64)(&index)
}
return result
}