laconicd-deprecated/tests/rpc_test.go

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// This is a test utility for Ethermint's Web3 JSON-RPC services.
//
// To run these tests please first ensure you have the emintd running
// and have started the RPC service with `emintcli rest-server`.
//
// You can configure the desired ETHERMINT_NODE_HOST and ETHERMINT_INTEGRATION_TEST_MODE
//
// to have it running
package tests
import (
"bytes"
"encoding/hex"
"encoding/json"
"fmt"
"math/big"
"net/http"
"os"
"testing"
"time"
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"github.com/stretchr/testify/require"
ethcmn "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
ethtypes "github.com/ethereum/go-ethereum/core/types"
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"github.com/cosmos/ethermint/rpc"
"github.com/cosmos/ethermint/version"
)
const (
addrA = "0xc94770007dda54cF92009BFF0dE90c06F603a09f"
addrAStoreKey = 0
)
var (
ETHERMINT_INTEGRATION_TEST_MODE = os.Getenv("ETHERMINT_INTEGRATION_TEST_MODE")
ETHERMINT_NODE_HOST = os.Getenv("ETHERMINT_NODE_HOST")
zeroString = "0x0"
)
type Request struct {
Version string `json:"jsonrpc"`
Method string `json:"method"`
Params interface{} `json:"params"`
ID int `json:"id"`
}
type RPCError struct {
Code int `json:"code"`
Message string `json:"message"`
Data interface{} `json:"data,omitempty"`
}
type Response struct {
Error *RPCError `json:"error"`
ID int `json:"id"`
Result json.RawMessage `json:"result,omitempty"`
}
func TestMain(m *testing.M) {
if ETHERMINT_INTEGRATION_TEST_MODE != "stable" {
_, _ = fmt.Fprintln(os.Stdout, "Going to skip stable test")
return
}
if ETHERMINT_NODE_HOST == "" {
_, _ = fmt.Fprintln(os.Stdout, "Going to skip stable test, ETHERMINT_NODE_HOST is not defined")
return
}
// Start all tests
code := m.Run()
os.Exit(code)
}
func createRequest(method string, params interface{}) Request {
return Request{
Version: "2.0",
Method: method,
Params: params,
ID: 1,
}
}
func call(t *testing.T, method string, params interface{}) *Response {
req, err := json.Marshal(createRequest(method, params))
require.NoError(t, err)
var rpcRes *Response
time.Sleep(1 * time.Second)
/* #nosec */
res, err := http.Post(ETHERMINT_NODE_HOST, "application/json", bytes.NewBuffer(req))
require.NoError(t, err)
decoder := json.NewDecoder(res.Body)
rpcRes = new(Response)
err = decoder.Decode(&rpcRes)
require.NoError(t, err)
err = res.Body.Close()
require.NoError(t, err)
require.Nil(t, rpcRes.Error)
return rpcRes
}
// turns a 0x prefixed hex string to a big.Int
func hexToBigInt(t *testing.T, in string) *big.Int {
s := in[2:]
b, err := hex.DecodeString(s)
require.NoError(t, err)
return big.NewInt(0).SetBytes(b)
}
func TestEth_protocolVersion(t *testing.T) {
expectedRes := hexutil.Uint(version.ProtocolVersion)
rpcRes := call(t, "eth_protocolVersion", []string{})
var res hexutil.Uint
err := res.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
t.Logf("Got protocol version: %s\n", res.String())
require.Equal(t, expectedRes, res, "expected: %s got: %s\n", expectedRes.String(), rpcRes.Result)
}
func TestEth_blockNumber(t *testing.T) {
rpcRes := call(t, "eth_blockNumber", []string{})
var res hexutil.Uint64
err := res.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
t.Logf("Got block number: %s\n", res.String())
}
func TestEth_coinbase(t *testing.T) {
zeroAddress := hexutil.Bytes(ethcmn.Address{}.Bytes())
rpcRes := call(t, "eth_coinbase", []string{})
var res hexutil.Bytes
err := res.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
t.Logf("Got coinbase block proposer: %s\n", res.String())
require.NotEqual(t, zeroAddress.String(), res.String(), "expected: %s got: %s\n", zeroAddress.String(), res.String())
}
func TestEth_GetBalance(t *testing.T) {
rpcRes := call(t, "eth_getBalance", []string{addrA, zeroString})
var res hexutil.Big
err := res.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
t.Logf("Got balance %s for %s\n", res.String(), addrA)
// 0 if x == y; where x is res, y is 0
if res.ToInt().Cmp(big.NewInt(0)) != 0 {
t.Errorf("expected balance: %d, got: %s", 0, res.String())
}
}
func TestEth_GetStorageAt(t *testing.T) {
expectedRes := hexutil.Bytes{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
rpcRes := call(t, "eth_getStorageAt", []string{addrA, string(addrAStoreKey), zeroString})
var storage hexutil.Bytes
err := storage.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
t.Logf("Got value [%X] for %s with key %X\n", storage, addrA, addrAStoreKey)
require.True(t, bytes.Equal(storage, expectedRes), "expected: %d (%d bytes) got: %d (%d bytes)", expectedRes, len(expectedRes), storage, len(storage))
}
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func TestEth_GetProof(t *testing.T) {
params := make([]interface{}, 3)
params[0] = addrA
params[1] = []string{string(addrAStoreKey)}
params[2] = "latest"
rpcRes := call(t, "eth_getProof", params)
require.NotNil(t, rpcRes)
var accRes rpc.AccountResult
err := json.Unmarshal(rpcRes.Result, &accRes)
require.NoError(t, err)
require.NotEmpty(t, accRes.AccountProof)
require.NotEmpty(t, accRes.StorageProof)
t.Logf("Got AccountResult %s", rpcRes.Result)
}
func TestEth_GetCode(t *testing.T) {
expectedRes := hexutil.Bytes{}
rpcRes := call(t, "eth_getCode", []string{addrA, zeroString})
var code hexutil.Bytes
err := code.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
t.Logf("Got code [%X] for %s\n", code, addrA)
require.True(t, bytes.Equal(expectedRes, code), "expected: %X got: %X", expectedRes, code)
}
func getAddress(t *testing.T) []byte {
rpcRes := call(t, "eth_accounts", []string{})
var res []hexutil.Bytes
err := json.Unmarshal(rpcRes.Result, &res)
require.NoError(t, err)
return res[0]
}
func TestEth_SendTransaction(t *testing.T) {
from := getAddress(t)
param := make([]map[string]string, 1)
param[0] = make(map[string]string)
param[0]["from"] = "0x" + fmt.Sprintf("%x", from)
param[0]["data"] = "0x6080604052348015600f57600080fd5b5060117f775a94827b8fd9b519d36cd827093c664f93347070a554f65e4a6f56cd73889860405160405180910390a2603580604b6000396000f3fe6080604052600080fdfea165627a7a723058206cab665f0f557620554bb45adf266708d2bd349b8a4314bdff205ee8440e3c240029"
rpcRes := call(t, "eth_sendTransaction", param)
var hash hexutil.Bytes
err := json.Unmarshal(rpcRes.Result, &hash)
require.NoError(t, err)
}
func TestEth_NewFilter(t *testing.T) {
param := make([]map[string][]string, 1)
param[0] = make(map[string][]string)
param[0]["topics"] = []string{"0x0000000000000000000000000000000000000000000000000000000012341234"}
rpcRes := call(t, "eth_newFilter", param)
var ID hexutil.Bytes
err := json.Unmarshal(rpcRes.Result, &ID)
require.NoError(t, err)
}
func TestEth_NewBlockFilter(t *testing.T) {
rpcRes := call(t, "eth_newBlockFilter", []string{})
var ID hexutil.Bytes
err := json.Unmarshal(rpcRes.Result, &ID)
require.NoError(t, err)
}
func TestEth_GetFilterChanges_NoLogs(t *testing.T) {
param := make([]map[string][]string, 1)
param[0] = make(map[string][]string)
param[0]["topics"] = []string{}
rpcRes := call(t, "eth_newFilter", param)
var ID hexutil.Bytes
err := json.Unmarshal(rpcRes.Result, &ID)
require.NoError(t, err)
changesRes := call(t, "eth_getFilterChanges", []string{ID.String()})
var logs []*ethtypes.Log
err = json.Unmarshal(changesRes.Result, &logs)
require.NoError(t, err)
}
func TestEth_GetFilterChanges_WrongID(t *testing.T) {
req, err := json.Marshal(createRequest("eth_getFilterChanges", []string{"0x1122334400000077"}))
require.NoError(t, err)
var rpcRes *Response
time.Sleep(1 * time.Second)
/* #nosec */
res, err := http.Post(ETHERMINT_NODE_HOST, "application/json", bytes.NewBuffer(req))
require.NoError(t, err)
decoder := json.NewDecoder(res.Body)
rpcRes = new(Response)
err = decoder.Decode(&rpcRes)
require.NoError(t, err)
err = res.Body.Close()
require.NoError(t, err)
require.NotNil(t, "invalid filter ID", rpcRes.Error.Message)
}
// sendTestTransaction sends a dummy transaction
func sendTestTransaction(t *testing.T) hexutil.Bytes {
from := getAddress(t)
param := make([]map[string]string, 1)
param[0] = make(map[string]string)
param[0]["from"] = "0x" + fmt.Sprintf("%x", from)
param[0]["to"] = "0x1122334455667788990011223344556677889900"
param[0]["value"] = "0x1"
rpcRes := call(t, "eth_sendTransaction", param)
var hash hexutil.Bytes
err := json.Unmarshal(rpcRes.Result, &hash)
require.NoError(t, err)
return hash
}
func TestEth_GetTransactionReceipt(t *testing.T) {
hash := sendTestTransaction(t)
time.Sleep(time.Second * 5)
param := []string{hash.String()}
rpcRes := call(t, "eth_getTransactionReceipt", param)
require.Nil(t, rpcRes.Error)
receipt := make(map[string]interface{})
err := json.Unmarshal(rpcRes.Result, &receipt)
require.NoError(t, err)
require.NotEmpty(t, receipt)
require.Equal(t, "0x1", receipt["status"].(string))
require.Equal(t, []interface{}{}, receipt["logs"].([]interface{}))
}
// deployTestContract deploys a contract that emits an event in the constructor
func deployTestContract(t *testing.T) (hexutil.Bytes, map[string]interface{}) {
from := getAddress(t)
param := make([]map[string]string, 1)
param[0] = make(map[string]string)
param[0]["from"] = "0x" + fmt.Sprintf("%x", from)
param[0]["data"] = "0x6080604052348015600f57600080fd5b5060117f775a94827b8fd9b519d36cd827093c664f93347070a554f65e4a6f56cd73889860405160405180910390a2603580604b6000396000f3fe6080604052600080fdfea165627a7a723058206cab665f0f557620554bb45adf266708d2bd349b8a4314bdff205ee8440e3c240029"
param[0]["gas"] = "0x200000"
rpcRes := call(t, "eth_sendTransaction", param)
var hash hexutil.Bytes
err := json.Unmarshal(rpcRes.Result, &hash)
require.NoError(t, err)
receipt := waitForReceipt(t, hash)
require.NotNil(t, receipt, "transaction failed")
require.Equal(t, "0x1", receipt["status"].(string))
return hash, receipt
}
func TestEth_GetTransactionReceipt_ContractDeployment(t *testing.T) {
hash, _ := deployTestContract(t)
time.Sleep(time.Second * 5)
param := []string{hash.String()}
rpcRes := call(t, "eth_getTransactionReceipt", param)
receipt := make(map[string]interface{})
err := json.Unmarshal(rpcRes.Result, &receipt)
require.NoError(t, err)
require.Equal(t, "0x1", receipt["status"].(string))
require.NotEqual(t, ethcmn.Address{}.String(), receipt["contractAddress"].(string))
require.NotNil(t, receipt["logs"])
}
func getTransactionReceipt(t *testing.T, hash hexutil.Bytes) map[string]interface{} {
param := []string{hash.String()}
rpcRes := call(t, "eth_getTransactionReceipt", param)
receipt := make(map[string]interface{})
err := json.Unmarshal(rpcRes.Result, &receipt)
require.NoError(t, err)
return receipt
}
func waitForReceipt(t *testing.T, hash hexutil.Bytes) map[string]interface{} {
for i := 0; i < 12; i++ {
receipt := getTransactionReceipt(t, hash)
if receipt != nil {
return receipt
}
time.Sleep(time.Second)
}
return nil
}
func TestEth_GetTransactionLogs(t *testing.T) {
hash, _ := deployTestContract(t)
param := []string{hash.String()}
rpcRes := call(t, "eth_getTransactionLogs", param)
logs := new([]*ethtypes.Log)
err := json.Unmarshal(rpcRes.Result, logs)
require.NoError(t, err)
require.Equal(t, 1, len(*logs))
}
func TestEth_GetFilterChanges_NoTopics(t *testing.T) {
rpcRes := call(t, "eth_blockNumber", []string{})
var res hexutil.Uint64
err := res.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
param := make([]map[string]interface{}, 1)
param[0] = make(map[string]interface{})
param[0]["topics"] = []string{}
param[0]["fromBlock"] = res.String()
param[0]["toBlock"] = zeroString // latest
// instantiate new filter
rpcRes = call(t, "eth_newFilter", param)
var ID hexutil.Bytes
err = json.Unmarshal(rpcRes.Result, &ID)
require.NoError(t, err)
// deploy contract, emitting some event
deployTestContract(t)
// get filter changes
changesRes := call(t, "eth_getFilterChanges", []string{ID.String()})
var logs []*ethtypes.Log
err = json.Unmarshal(changesRes.Result, &logs)
require.NoError(t, err)
require.Equal(t, 1, len(logs))
}
func TestEth_GetFilterChanges_Addresses(t *testing.T) {
t.Skip()
// TODO: need transaction receipts to determine contract deployment address
}
func TestEth_GetFilterChanges_BlockHash(t *testing.T) {
t.Skip()
// TODO: need transaction receipts to determine tx block
}
// hash of Hello event
var helloTopic = "0x775a94827b8fd9b519d36cd827093c664f93347070a554f65e4a6f56cd738898"
// world parameter in Hello event
var worldTopic = "0x0000000000000000000000000000000000000000000000000000000000000011"
func deployTestContractWithFunction(t *testing.T) hexutil.Bytes {
// pragma solidity ^0.5.1;
// contract Test {
// event Hello(uint256 indexed world);
// event Test(uint256 indexed a, uint256 indexed b);
// constructor() public {
// emit Hello(17);
// }
// function test(uint256 a, uint256 b) public {
// emit Test(a, b);
// }
// }
bytecode := "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"
from := getAddress(t)
param := make([]map[string]string, 1)
param[0] = make(map[string]string)
param[0]["from"] = "0x" + fmt.Sprintf("%x", from)
param[0]["data"] = bytecode
param[0]["gas"] = "0x200000"
rpcRes := call(t, "eth_sendTransaction", param)
var hash hexutil.Bytes
err := json.Unmarshal(rpcRes.Result, &hash)
require.NoError(t, err)
receipt := waitForReceipt(t, hash)
require.NotNil(t, receipt, "transaction failed")
require.Equal(t, "0x1", receipt["status"].(string))
return hash
}
// Tests topics case where there are topics in first two positions
func TestEth_GetFilterChanges_Topics_AB(t *testing.T) {
time.Sleep(time.Second)
rpcRes := call(t, "eth_blockNumber", []string{})
var res hexutil.Uint64
err := res.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
param := make([]map[string]interface{}, 1)
param[0] = make(map[string]interface{})
param[0]["topics"] = []string{helloTopic, worldTopic}
param[0]["fromBlock"] = res.String()
param[0]["toBlock"] = zeroString // latest
// instantiate new filter
rpcRes = call(t, "eth_newFilter", param)
var ID hexutil.Bytes
err = json.Unmarshal(rpcRes.Result, &ID)
require.NoError(t, err)
deployTestContractWithFunction(t)
// get filter changes
changesRes := call(t, "eth_getFilterChanges", []string{ID.String()})
var logs []*ethtypes.Log
err = json.Unmarshal(changesRes.Result, &logs)
require.NoError(t, err)
require.Equal(t, 1, len(logs))
}
func TestEth_GetFilterChanges_Topics_XB(t *testing.T) {
rpcRes := call(t, "eth_blockNumber", []string{})
var res hexutil.Uint64
err := res.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
param := make([]map[string]interface{}, 1)
param[0] = make(map[string]interface{})
param[0]["topics"] = []interface{}{nil, worldTopic}
param[0]["fromBlock"] = res.String()
param[0]["toBlock"] = "0x0" // latest
// instantiate new filter
rpcRes = call(t, "eth_newFilter", param)
var ID hexutil.Bytes
err = json.Unmarshal(rpcRes.Result, &ID)
require.NoError(t, err)
deployTestContractWithFunction(t)
// get filter changes
changesRes := call(t, "eth_getFilterChanges", []string{ID.String()})
var logs []*ethtypes.Log
err = json.Unmarshal(changesRes.Result, &logs)
require.NoError(t, err)
require.Equal(t, 1, len(logs))
}
func TestEth_GetFilterChanges_Topics_XXC(t *testing.T) {
t.Skip()
// TODO: call test function, need tx receipts to determine contract address
}
func TestEth_GetLogs_NoLogs(t *testing.T) {
param := make([]map[string][]string, 1)
param[0] = make(map[string][]string)
param[0]["topics"] = []string{}
call(t, "eth_getLogs", param)
}
func TestEth_GetLogs_Topics_AB(t *testing.T) {
rpcRes := call(t, "eth_blockNumber", []string{})
var res hexutil.Uint64
err := res.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
param := make([]map[string]interface{}, 1)
param[0] = make(map[string]interface{})
param[0]["topics"] = []string{helloTopic, worldTopic}
param[0]["fromBlock"] = res.String()
param[0]["toBlock"] = zeroString // latest
hash := deployTestContractWithFunction(t)
waitForReceipt(t, hash)
rpcRes = call(t, "eth_getLogs", param)
var logs []*ethtypes.Log
err = json.Unmarshal(rpcRes.Result, &logs)
require.NoError(t, err)
require.Equal(t, 1, len(logs))
}
func TestEth_PendingTransactionFilter(t *testing.T) {
rpcRes := call(t, "eth_newPendingTransactionFilter", []string{})
var code hexutil.Bytes
err := code.UnmarshalJSON(rpcRes.Result)
require.NoError(t, err)
require.NotNil(t, code)
for i := 0; i < 5; i++ {
deployTestContractWithFunction(t)
}
time.Sleep(10 * time.Second)
// get filter changes
changesRes := call(t, "eth_getFilterChanges", []string{code.String()})
require.NotNil(t, changesRes)
var txs []*hexutil.Bytes
err = json.Unmarshal(changesRes.Result, &txs)
require.NoError(t, err, string(changesRes.Result))
require.True(t, len(txs) >= 2, "could not get any txs", "changesRes.Result", string(changesRes.Result))
}
func TestBlockBloom(t *testing.T) {
hash := deployTestContractWithFunction(t)
receipt := waitForReceipt(t, hash)
number := receipt["blockNumber"].(string)
t.Log(number)
param := []interface{}{number, false}
rpcRes := call(t, "eth_getBlockByNumber", param)
block := make(map[string]interface{})
err := json.Unmarshal(rpcRes.Result, &block)
require.NoError(t, err)
lb := hexToBigInt(t, block["logsBloom"].(string))
require.NotEqual(t, big.NewInt(0), lb)
require.Equal(t, hash.String(), block["transactions"].([]interface{})[0])
}
func TestBlockBloom_Hash(t *testing.T) {
hash := deployTestContractWithFunction(t)
receipt := waitForReceipt(t, hash)
time.Sleep(time.Second * 3)
blockHash := receipt["blockHash"].(string)
param := []interface{}{blockHash, false}
rpcRes := call(t, "eth_getBlockByHash", param)
block := make(map[string]interface{})
err := json.Unmarshal(rpcRes.Result, &block)
require.NoError(t, err)
lb := hexToBigInt(t, block["logsBloom"].(string))
require.NotEqual(t, big.NewInt(0), lb)
}
func getNonce(t *testing.T) hexutil.Uint64 {
from := getAddress(t)
param := []interface{}{hexutil.Bytes(from), "latest"}
rpcRes := call(t, "eth_getTransactionCount", param)
var nonce hexutil.Uint64
err := json.Unmarshal(rpcRes.Result, &nonce)
require.NoError(t, err)
return nonce
}
func TestEth_GetTransactionCount(t *testing.T) {
prev := getNonce(t)
sendTestTransaction(t)
post := getNonce(t)
require.Equal(t, prev, post-1)
}
func TestEth_EstimateGas(t *testing.T) {
from := getAddress(t)
param := make([]map[string]string, 1)
param[0] = make(map[string]string)
param[0]["from"] = "0x" + fmt.Sprintf("%x", from)
param[0]["to"] = "0x1122334455667788990011223344556677889900"
param[0]["value"] = "0x1"
rpcRes := call(t, "eth_estimateGas", param)
var gas hexutil.Bytes
err := json.Unmarshal(rpcRes.Result, &gas)
require.NoError(t, err)
require.Equal(t, hexutil.Bytes{0xf7, 0xa6}, gas)
}
func TestEth_GetBlockByNumber(t *testing.T) {
param := []interface{}{"0x1", false}
rpcRes := call(t, "eth_getBlockByNumber", param)
block := make(map[string]interface{})
err := json.Unmarshal(rpcRes.Result, &block)
require.NoError(t, err)
require.Equal(t, "0x0", block["extraData"].(string))
}