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Merge pull request #472 from mslipper/rpc-2

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R4R: Stub out other RPC endpoints
This commit is contained in:
Alexander Bezobchuk 2018-08-28 06:15:28 -07:00 committed by GitHub
commit 682a81f133
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7 changed files with 320 additions and 9 deletions
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98
Gopkg.lock generated
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@ -69,6 +69,12 @@
digest = "1:3238a0c355a81640974751f7d3bab21bf91035165f75c2c457959425c0422a4b"
name = "github.com/ethereum/go-ethereum"
packages = [
".",
"accounts",
"accounts/abi",
"accounts/keystore",
"accounts/usbwallet",
"accounts/usbwallet/internal/trezor",
"common",
"common/bitutil",
"common/hexutil",
@ -86,16 +92,25 @@
"crypto/bn256",
"crypto/bn256/cloudflare",
"crypto/bn256/google",
"crypto/ecies",
"crypto/randentropy",
"crypto/secp256k1",
"crypto/sha3",
"eth/downloader",
"ethdb",
"event",
"internal/ethapi",
"log",
"metrics",
"p2p",
"p2p/discover",
"p2p/discv5",
"p2p/nat",
"p2p/netutil",
"params",
"rlp",
"rpc",
"signer/core",
"trie",
]
pruneopts = "T"
@ -150,6 +165,7 @@
name = "github.com/golang/protobuf"
packages = [
"proto",
"protoc-gen-go/descriptor",
"ptypes",
"ptypes/any",
"ptypes/duration",
@ -177,6 +193,22 @@
pruneopts = "T"
revision = "0fb14efe8c47ae851c0034ed7a448854d3d34cf3"
[[projects]]
branch = "master"
digest = "1:202e4a1a283dd740ca9d131787e73bb9d69611a01ef86e82ed262e035b0dd792"
name = "github.com/huin/goupnp"
packages = [
".",
"dcps/internetgateway1",
"dcps/internetgateway2",
"httpu",
"scpd",
"soap",
"ssdp",
]
pruneopts = "T"
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[[projects]]
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@ -185,6 +217,14 @@
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version = "v1.0"
[[projects]]
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name = "github.com/jackpal/go-nat-pmp"
packages = ["."]
pruneopts = "T"
revision = "c9cfead9f2a36ddf3daa40ba269aa7f4bbba6b62"
version = "v1.0.1"
[[projects]]
branch = "master"
digest = "1:dc6b1a6801b3055e9bd3da4cd1e568606eb48118cc6f28e947783aa5d998ad74"
@ -193,6 +233,14 @@
pruneopts = "T"
revision = "c42d9e0ca023e2198120196f842701bb4c55d7b9"
[[projects]]
branch = "master"
digest = "1:01f1325bf6f105bb633029a2d8b63f1a2357181e60af8dadabf14ad2e84398c5"
name = "github.com/karalabe/hid"
packages = ["."]
pruneopts = "T"
revision = "2b4488a37358b7283de4f9622553e85ebbe73125"
[[projects]]
branch = "master"
digest = "1:a64e323dc06b73892e5bb5d040ced475c4645d456038333883f58934abbf6f72"
@ -201,6 +249,14 @@
pruneopts = "T"
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[[projects]]
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name = "github.com/pborman/uuid"
packages = ["."]
pruneopts = "T"
revision = "e790cca94e6cc75c7064b1332e63811d4aae1a53"
version = "v1.1"
[[projects]]
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@ -217,6 +273,14 @@
revision = "792786c7400a136282c1664665ae0a8db921c6c2"
version = "v1.0.0"
[[projects]]
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packages = ["."]
pruneopts = "T"
revision = "52ae50d8490436622a8941bd70c3dbe0acdd4bbf"
version = "v0.9.0"
[[projects]]
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name = "github.com/rs/cors"
@ -330,7 +394,12 @@
branch = "master"
digest = "1:da29cbeb9d244918393b37243c008ab7128688fb017c966aaf876587c010bcdd"
name = "golang.org/x/crypto"
packages = ["ripemd160"]
packages = [
"pbkdf2",
"ripemd160",
"scrypt",
"ssh/terminal",
]
pruneopts = "T"
revision = "614d502a4dac94afa3a6ce146bd1736da82514c6"
@ -339,6 +408,9 @@
name = "golang.org/x/net"
packages = [
"context",
"html",
"html/atom",
"html/charset",
"http/httpguts",
"http2",
"http2/hpack",
@ -350,18 +422,41 @@
pruneopts = "T"
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[[projects]]
branch = "master"
digest = "1:7560b3b54e7e9d901c46cd919d77da3c4373652ee2b0a13b15b80ea02ad94a56"
name = "golang.org/x/sys"
packages = [
"unix",
"windows",
]
pruneopts = "T"
revision = "d99a578cf41bfccdeaf48b0845c823a4b8b0ad5e"
[[projects]]
digest = "1:6164911cb5e94e8d8d5131d646613ff82c14f5a8ce869de2f6d80d9889df8c5a"
name = "golang.org/x/text"
packages = [
"collate",
"collate/build",
"encoding",
"encoding/charmap",
"encoding/htmlindex",
"encoding/internal",
"encoding/internal/identifier",
"encoding/japanese",
"encoding/korean",
"encoding/simplifiedchinese",
"encoding/traditionalchinese",
"encoding/unicode",
"internal/colltab",
"internal/gen",
"internal/tag",
"internal/triegen",
"internal/ucd",
"internal/utf8internal",
"language",
"runes",
"secure/bidirule",
"transform",
"unicode/bidi",
@ -469,6 +564,7 @@
"github.com/ethereum/go-ethereum/params",
"github.com/ethereum/go-ethereum/rlp",
"github.com/ethereum/go-ethereum/rpc",
"github.com/ethereum/go-ethereum/signer/core",
"github.com/ethereum/go-ethereum/trie",
"github.com/hashicorp/golang-lru",
"github.com/pkg/errors",

10
server/rpc/apis.go
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@ -3,10 +3,10 @@
package rpc
import (
"github.com/cosmos/ethermint/version"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/rpc"
"github.com/cosmos/ethermint/version"
)
// returns the master list of public APIs for use with StartHTTPEndpoint
@ -17,13 +17,19 @@ func GetRPCAPIs() []rpc.API {
Version: "1.0",
Service: NewPublicWeb3API(),
},
{
Namespace: "eth",
Version: "1.0",
Service: NewPublicEthAPI(),
},
}
}
// PublicWeb3API is the web3_ prefixed set of APIs in the WEB3 JSON-RPC spec.
// PublicWeb3API is the web3_ prefixed set of APIs in the Web3 JSON-RPC spec.
type PublicWeb3API struct {
}
// NewPublicWeb3API creates an instance of the Web3 API.
func NewPublicWeb3API() *PublicWeb3API {
return &PublicWeb3API{}
}

12
server/rpc/apis_test.go
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@ -2,9 +2,9 @@ package rpc
import (
"context"
"github.com/cosmos/ethermint/version"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
"github.com/cosmos/ethermint/version"
"testing"
)
@ -37,6 +37,16 @@ func (s *apisTestSuite) TestPublicWeb3APISha3() {
require.Equal(s.T(), "0x1b84adea42d5b7d192fd8a61a85b25abe0757e9a65cab1da470258914053823f", res)
}
func (s *apisTestSuite) TestMiningAPIs() {
res, err := rpcCall(s.Port, "eth_mining", nil)
require.Nil(s.T(), err, "unexpected error")
require.Equal(s.T(), false, res)
res, err = rpcCall(s.Port, "eth_hashrate", nil)
require.Nil(s.T(), err, "unexpected error")
require.Equal(s.T(), "0x0", res)
}
func TestAPIsTestSuite(t *testing.T) {
suite.Run(t, new(apisTestSuite))
}

196
server/rpc/eth_api.go Normal file
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@ -0,0 +1,196 @@
package rpc
import (
"github.com/cosmos/ethermint/version"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/signer/core"
"math/big"
)
// PublicEthAPI is the eth_ prefixed set of APIs in the Web3 JSON-RPC spec.
type PublicEthAPI struct{}
// NewPublicEthAPI creates an instance of the public ETH Web3 API.
func NewPublicEthAPI() *PublicEthAPI {
return &PublicEthAPI{}
}
// ProtocolVersion returns the supported Ethereum protocol version.
func (e *PublicEthAPI) ProtocolVersion() string {
return version.ProtocolVersion
}
// Syncing returns whether or not the current node is syncing with other peers. Returns false if not, or a struct
// outlining the state of the sync if it is.
func (e *PublicEthAPI) Syncing() interface{} {
return false
}
// Coinbase returns this node's coinbase address. Not used in Ethermint.
func (e *PublicEthAPI) Coinbase() (addr common.Address) {
return
}
// Mining returns whether or not this node is currently mining. Always false.
func (e *PublicEthAPI) Mining() bool {
return false
}
// Hashrate returns the current node's hashrate. Always 0.
func (e *PublicEthAPI) Hashrate() hexutil.Uint64 {
return 0
}
// GasPrice returns the current gas price based on Ethermint's gas price oracle.
func (e *PublicEthAPI) GasPrice() *hexutil.Big {
out := big.NewInt(0)
return (*hexutil.Big)(out)
}
// Accounts returns the list of accounts available to this node.
func (e *PublicEthAPI) Accounts() []common.Address {
return nil
}
// BlockNumber returns the current block number.
func (e *PublicEthAPI) BlockNumber() *big.Int {
return big.NewInt(0)
}
// GetBalance returns the provided account's balance up to the provided block number.
func (e *PublicEthAPI) GetBalance(address common.Address, blockNum rpc.BlockNumber) *hexutil.Big {
out := big.NewInt(0)
return (*hexutil.Big)(out)
}
// GetStorageAt returns the contract storage at the given address, block number, and key.
func (e *PublicEthAPI) GetStorageAt(address common.Address, key string, blockNum rpc.BlockNumber) hexutil.Bytes {
return nil
}
// GetTransactionCount returns the number of transactions at the given address up to the given block number.
func (e *PublicEthAPI) GetTransactionCount(address common.Address, blockNum rpc.BlockNumber) hexutil.Uint64 {
return 0
}
// GetBlockTransactionCountByHash returns the number of transactions in the block identified by hash.
func (e *PublicEthAPI) GetBlockTransactionCountByHash(hash common.Hash) hexutil.Uint {
return 0
}
// GetBlockTransactionCountByNumber returns the number of transactions in the block identified by number.
func (e *PublicEthAPI) GetBlockTransactionCountByNumber(blockNum rpc.BlockNumber) hexutil.Uint {
return 0
}
// GetUncleCountByBlockHash returns the number of uncles in the block idenfied by hash. Always zero.
func (e *PublicEthAPI) GetUncleCountByBlockHash(hash common.Hash) hexutil.Uint {
return 0
}
// GetUncleCountByBlockNumber returns the number of uncles in the block idenfied by number. Always zero.
func (e *PublicEthAPI) GetUncleCountByBlockNumber(blockNum rpc.BlockNumber) hexutil.Uint {
return 0
}
// GetCode returns the contract code at the given address and block number.
func (e *PublicEthAPI) GetCode(address common.Address, blockNumber rpc.BlockNumber) hexutil.Bytes {
return nil
}
// Sign signs the provided data using the private key of address via Geth's signature standard.
func (e *PublicEthAPI) Sign(address common.Address, data hexutil.Bytes) hexutil.Bytes {
return nil
}
// SendTransaction sends an Ethereum transaction.
func (e *PublicEthAPI) SendTransaction(args core.SendTxArgs) common.Hash {
var h common.Hash
return h
}
// SendRawTransaction send a raw Ethereum transaction.
func (e *PublicEthAPI) SendRawTransaction(data hexutil.Bytes) common.Hash {
var h common.Hash
return h
}
// CallArgs represents arguments to a smart contract call as provided by RPC clients.
type CallArgs struct {
From common.Address `json:"from"`
To common.Address `json:"to"`
Gas hexutil.Uint64 `json:"gas"`
GasPrice hexutil.Big `json:"gasPrice"`
Value hexutil.Big `json:"value"`
Data hexutil.Bytes `json:"data"`
}
// Call performs a raw contract call.
func (e *PublicEthAPI) Call(args CallArgs, blockNum rpc.BlockNumber) hexutil.Bytes {
return nil
}
// EstimateGas estimates gas usage for the given smart contract call.
func (e *PublicEthAPI) EstimateGas(args CallArgs, blockNum rpc.BlockNumber) hexutil.Uint64 {
return 0
}
// GetBlockByHash returns the block identified by hash.
func (e *PublicEthAPI) GetBlockByHash(hash common.Hash, fullTx bool) map[string]interface{} {
return nil
}
// GetBlockByNumber returns the block identified by number.
func (e *PublicEthAPI) GetBlockByNumber(blockNum rpc.BlockNumber, fullTx bool) map[string]interface{} {
return nil
}
// Transaction represents a transaction returned to RPC clients.
type Transaction 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"`
To *common.Address `json:"to"`
TransactionIndex hexutil.Uint `json:"transactionIndex"`
Value *hexutil.Big `json:"value"`
V *hexutil.Big `json:"v"`
R *hexutil.Big `json:"r"`
S *hexutil.Big `json:"s"`
}
// GetTransactionByHash returns the transaction identified by hash.
func (e *PublicEthAPI) GetTransactionByHash(hash common.Hash) *Transaction {
return nil
}
// GetTransactionByBlockHashAndIndex returns the transaction identified by hash and index.
func (e *PublicEthAPI) GetTransactionByBlockHashAndIndex(hash common.Hash, idx hexutil.Uint) *Transaction {
return nil
}
// GetTransactionByBlockNumberAndIndex returns the transaction identified by number and index.
func (e *PublicEthAPI) GetTransactionByBlockNumberAndIndex(blockNumber rpc.BlockNumber, idx hexutil.Uint) *Transaction {
return nil
}
// GetTransactionReceipt returns the transaction receipt identified by hash.
func (e *PublicEthAPI) GetTransactionReceipt(hash common.Hash) map[string]interface{} {
return nil
}
// GetUncleByBlockHashAndIndex returns the uncle identified by hash and index. Always returns nil.
func (e *PublicEthAPI) GetUncleByBlockHashAndIndex(hash common.Hash, idx hexutil.Uint) map[string]interface{} {
return nil
}
// GetUncleByBlockNumberAndIndex returns the uncle identified by number and index. Always returns nil.
func (e *PublicEthAPI) GetUncleByBlockNumberAndIndex(number hexutil.Uint, idx hexutil.Uint) map[string]interface{} {
return nil
}

2
server/rpc/rpc.go
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@ -4,7 +4,7 @@ import (
"context"
"fmt"
"github.com/ethereum/go-ethereum/rpc"
)
)
// StartHTTPEndpoint starts the Tendermint Web3-compatible RPC layer. Consumes a Context for cancellation, a config
// struct, and a list of rpc.API interfaces that will be automatically wired into a JSON-RPC webserver.

3
version/version.go
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@ -14,6 +14,9 @@ const AppName = "Ethermint"
// been developed?
const Version = "0.0.0"
// ProtocolVersion is the supported Ethereum protocol version (e.g., Homestead, Olympic, etc.)
const ProtocolVersion = "63"
// GitCommit contains the git SHA1 short hash set by build flags.
var GitCommit = ""