522 lines
14 KiB
Go
522 lines
14 KiB
Go
// This is a test utility for Ethermint's Web3 JSON-RPC services.
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//
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// To run these tests please first ensure you have the emintd running
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// and have started the RPC service with `emintcli rest-server`.
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//
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// You can configure the desired port (or host) below.
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package tester
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import (
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"bytes"
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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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"net/http"
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"testing"
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"time"
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"github.com/cosmos/ethermint/version"
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"github.com/ethereum/go-ethereum/common/hexutil"
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ethtypes "github.com/ethereum/go-ethereum/core/types"
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"github.com/stretchr/testify/require"
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)
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const (
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host = "localhost"
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port = 8545
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addrA = "0xc94770007dda54cF92009BFF0dE90c06F603a09f"
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addrAStoreKey = 0
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)
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var addr = fmt.Sprintf("http://%s:%d", host, port)
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var zeroString = "0x0"
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type Request struct {
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Version string `json:"jsonrpc"`
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Method string `json:"method"`
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Params interface{} `json:"params"`
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ID int `json:"id"`
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}
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type RPCError struct {
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Code int `json:"code"`
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Message string `json:"message"`
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Data interface{} `json:"data,omitempty"`
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}
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type Response struct {
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Error *RPCError `json:"error"`
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ID int `json:"id"`
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Result json.RawMessage `json:"result,omitempty"`
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}
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func createRequest(method string, params interface{}) Request {
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return Request{
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Version: "2.0",
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Method: method,
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Params: params,
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ID: 1,
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}
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}
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func call(t *testing.T, method string, params interface{}) (*Response, error) {
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req, err := json.Marshal(createRequest(method, params))
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if err != nil {
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return nil, err
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}
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/* #nosec */
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res, err := http.Post(addr, "application/json", bytes.NewBuffer(req))
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if err != nil {
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t.Fatal(err)
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}
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decoder := json.NewDecoder(res.Body)
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var rpcRes *Response
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err = decoder.Decode(&rpcRes)
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if err != nil {
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t.Fatal(err)
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}
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if rpcRes.Error != nil {
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return nil, errors.New(rpcRes.Error.Message)
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}
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err = res.Body.Close()
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if err != nil {
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t.Fatal(err)
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}
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return rpcRes, nil
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}
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func TestEth_protocolVersion(t *testing.T) {
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expectedRes := hexutil.Uint(version.ProtocolVersion)
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rpcRes, err := call(t, "eth_protocolVersion", []string{})
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require.NoError(t, err)
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var res hexutil.Uint
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err = res.UnmarshalJSON(rpcRes.Result)
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require.NoError(t, err)
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t.Logf("Got protocol version: %s\n", res.String())
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require.Equal(t, expectedRes, res, "expected: %s got: %s\n", expectedRes.String(), rpcRes.Result)
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}
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func TestEth_blockNumber(t *testing.T) {
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rpcRes, err := call(t, "eth_blockNumber", []string{})
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require.NoError(t, err)
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var res hexutil.Uint64
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err = res.UnmarshalJSON(rpcRes.Result)
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require.NoError(t, err)
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t.Logf("Got block number: %s\n", res.String())
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}
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func TestEth_GetBalance(t *testing.T) {
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rpcRes, err := call(t, "eth_getBalance", []string{addrA, zeroString})
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require.NoError(t, err)
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var res hexutil.Big
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err = res.UnmarshalJSON(rpcRes.Result)
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require.NoError(t, err)
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t.Logf("Got balance %s for %s\n", res.String(), addrA)
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// 0 if x == y; where x is res, y is 0
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if res.ToInt().Cmp(big.NewInt(0)) != 0 {
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t.Errorf("expected balance: %d, got: %s", 0, res.String())
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}
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}
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func TestEth_GetStorageAt(t *testing.T) {
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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}
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rpcRes, err := call(t, "eth_getStorageAt", []string{addrA, string(addrAStoreKey), zeroString})
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require.NoError(t, err)
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var storage hexutil.Bytes
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err = storage.UnmarshalJSON(rpcRes.Result)
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require.NoError(t, err)
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t.Logf("Got value [%X] for %s with key %X\n", storage, addrA, addrAStoreKey)
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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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}
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func TestEth_GetCode(t *testing.T) {
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expectedRes := hexutil.Bytes{}
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rpcRes, err := call(t, "eth_getCode", []string{addrA, zeroString})
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require.NoError(t, err)
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var code hexutil.Bytes
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err = code.UnmarshalJSON(rpcRes.Result)
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require.NoError(t, err)
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t.Logf("Got code [%X] for %s\n", code, addrA)
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require.True(t, bytes.Equal(expectedRes, code), "expected: %X got: %X", expectedRes, code)
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}
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func getAddress(t *testing.T) []byte {
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rpcRes, err := call(t, "eth_accounts", []string{})
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require.NoError(t, err)
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var res []hexutil.Bytes
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err = json.Unmarshal(rpcRes.Result, &res)
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require.NoError(t, err)
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return res[0]
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}
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func TestEth_SendTransaction(t *testing.T) {
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from := getAddress(t)
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param := make([]map[string]string, 1)
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param[0] = make(map[string]string)
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param[0]["from"] = "0x" + fmt.Sprintf("%x", from)
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param[0]["data"] = "0x6080604052348015600f57600080fd5b5060117f775a94827b8fd9b519d36cd827093c664f93347070a554f65e4a6f56cd73889860405160405180910390a2603580604b6000396000f3fe6080604052600080fdfea165627a7a723058206cab665f0f557620554bb45adf266708d2bd349b8a4314bdff205ee8440e3c240029"
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rpcRes, err := call(t, "eth_sendTransaction", param)
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require.NoError(t, err)
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var hash hexutil.Bytes
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err = json.Unmarshal(rpcRes.Result, &hash)
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require.NoError(t, err)
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}
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func TestEth_NewFilter(t *testing.T) {
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param := make([]map[string][]string, 1)
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param[0] = make(map[string][]string)
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param[0]["topics"] = []string{"0x0000000000000000000000000000000000000000000000000000000012341234"}
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rpcRes, err := call(t, "eth_newFilter", param)
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require.NoError(t, err)
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var ID hexutil.Bytes
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err = json.Unmarshal(rpcRes.Result, &ID)
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require.NoError(t, err)
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}
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func TestEth_NewBlockFilter(t *testing.T) {
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rpcRes, err := call(t, "eth_newBlockFilter", []string{})
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require.NoError(t, err)
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var ID hexutil.Bytes
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err = json.Unmarshal(rpcRes.Result, &ID)
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require.NoError(t, err)
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}
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func TestEth_GetFilterChanges_NoLogs(t *testing.T) {
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param := make([]map[string][]string, 1)
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param[0] = make(map[string][]string)
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param[0]["topics"] = []string{}
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rpcRes, err := call(t, "eth_newFilter", param)
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require.NoError(t, err)
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var ID hexutil.Bytes
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err = json.Unmarshal(rpcRes.Result, &ID)
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require.NoError(t, err)
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changesRes, err := call(t, "eth_getFilterChanges", []string{ID.String()})
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require.NoError(t, err)
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var logs []*ethtypes.Log
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err = json.Unmarshal(changesRes.Result, &logs)
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require.NoError(t, err)
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}
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func TestEth_GetFilterChanges_WrongID(t *testing.T) {
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_, err := call(t, "eth_getFilterChanges", []string{"0x1122334400000077"})
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require.NotNil(t, err)
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}
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// deployTestContract deploys a contract that emits an event in the constructor
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func deployTestContract(t *testing.T) hexutil.Bytes {
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from := getAddress(t)
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param := make([]map[string]string, 1)
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param[0] = make(map[string]string)
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param[0]["from"] = "0x" + fmt.Sprintf("%x", from)
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param[0]["data"] = "0x6080604052348015600f57600080fd5b5060117f775a94827b8fd9b519d36cd827093c664f93347070a554f65e4a6f56cd73889860405160405180910390a2603580604b6000396000f3fe6080604052600080fdfea165627a7a723058206cab665f0f557620554bb45adf266708d2bd349b8a4314bdff205ee8440e3c240029"
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rpcRes, err := call(t, "eth_sendTransaction", param)
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require.NoError(t, err)
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var hash hexutil.Bytes
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err = json.Unmarshal(rpcRes.Result, &hash)
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require.NoError(t, err)
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return hash
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}
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func TestEth_GetTransactionReceipt(t *testing.T) {
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hash := deployTestContract(t)
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time.Sleep(time.Second * 2)
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param := []string{hash.String()}
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rpcRes, err := call(t, "eth_getTransactionReceipt", param)
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require.NoError(t, err)
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t.Log(rpcRes.Result)
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// TODO: why does this not return a receipt?
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}
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func TestEth_GetTxLogs(t *testing.T) {
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// currently fails due to eth_sendTransaction returning the tendermint hash,
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// while the logs are stored in the db using the ethereum hash
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t.Skip()
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hash := deployTestContract(t)
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time.Sleep(time.Second * 5)
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param := []string{hash.String()}
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rpcRes, err := call(t, "eth_getTxLogs", param)
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require.NoError(t, err)
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logs := new([]*ethtypes.Log)
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err = json.Unmarshal(rpcRes.Result, logs)
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require.NoError(t, err)
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require.Equal(t, 1, len(*logs))
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t.Log((*logs)[0])
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time.Sleep(time.Second)
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}
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func TestEth_GetFilterChanges_NoTopics(t *testing.T) {
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rpcRes, err := call(t, "eth_blockNumber", []string{})
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require.NoError(t, err)
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var res hexutil.Uint64
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err = res.UnmarshalJSON(rpcRes.Result)
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require.NoError(t, err)
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param := make([]map[string]interface{}, 1)
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param[0] = make(map[string]interface{})
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param[0]["topics"] = []string{}
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param[0]["fromBlock"] = res.String()
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param[0]["toBlock"] = zeroString // latest
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// deploy contract, emitting some event
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deployTestContract(t)
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rpcRes, err = call(t, "eth_newFilter", param)
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require.NoError(t, err)
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var ID hexutil.Bytes
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err = json.Unmarshal(rpcRes.Result, &ID)
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require.NoError(t, err)
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time.Sleep(time.Second)
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// get filter changes
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changesRes, err := call(t, "eth_getFilterChanges", []string{ID.String()})
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require.NoError(t, err)
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var logs []*ethtypes.Log
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err = json.Unmarshal(changesRes.Result, &logs)
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require.NoError(t, err)
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require.Equal(t, 1, len(logs))
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time.Sleep(time.Second)
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//t.Log(logs[0])
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// TODO: why is the tx hash in the log not the same as the tx hash of the transaction?
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//require.Equal(t, logs[0].TxHash, common.BytesToHash(hash))
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}
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func TestEth_GetFilterChanges_Addresses(t *testing.T) {
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// TODO: need transaction receipts to determine contract deployment address
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}
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func TestEth_GetFilterChanges_BlockHash(t *testing.T) {
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// TODO: need transaction receipts to determine tx block
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}
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// hash of Hello event
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var helloTopic = "0x775a94827b8fd9b519d36cd827093c664f93347070a554f65e4a6f56cd738898"
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// world parameter in Hello event
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var worldTopic = "0x0000000000000000000000000000000000000000000000000000000000000011"
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func deployTestContractWithFunction(t *testing.T) hexutil.Bytes {
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// pragma solidity ^0.5.1;
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// contract Test {
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// event Hello(uint256 indexed world);
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// event Test(uint256 indexed a, uint256 indexed b);
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// constructor() public {
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// emit Hello(17);
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// }
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// function test(uint256 a, uint256 b) public {
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// emit Test(a, b);
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// }
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// }
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bytecode := "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"
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from := getAddress(t)
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param := make([]map[string]string, 1)
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param[0] = make(map[string]string)
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param[0]["from"] = "0x" + fmt.Sprintf("%x", from)
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param[0]["data"] = bytecode
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rpcRes, err := call(t, "eth_sendTransaction", param)
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require.NoError(t, err)
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var hash hexutil.Bytes
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err = json.Unmarshal(rpcRes.Result, &hash)
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require.NoError(t, err)
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return hash
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}
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// Tests topics case where there are topics in first two positions
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func TestEth_GetFilterChanges_Topics_AB(t *testing.T) {
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time.Sleep(time.Second)
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rpcRes, err := call(t, "eth_blockNumber", []string{})
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require.NoError(t, err)
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var res hexutil.Uint64
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err = res.UnmarshalJSON(rpcRes.Result)
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require.NoError(t, err)
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param := make([]map[string]interface{}, 1)
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param[0] = make(map[string]interface{})
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param[0]["topics"] = []string{helloTopic, worldTopic}
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param[0]["fromBlock"] = res.String()
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param[0]["toBlock"] = zeroString // latest
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deployTestContractWithFunction(t)
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rpcRes, err = call(t, "eth_newFilter", param)
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require.NoError(t, err)
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var ID hexutil.Bytes
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err = json.Unmarshal(rpcRes.Result, &ID)
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require.NoError(t, err)
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time.Sleep(time.Second * 2)
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// get filter changes
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changesRes, err := call(t, "eth_getFilterChanges", []string{ID.String()})
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require.NoError(t, err)
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var logs []*ethtypes.Log
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err = json.Unmarshal(changesRes.Result, &logs)
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require.NoError(t, err)
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require.Equal(t, 1, len(logs))
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time.Sleep(time.Second * 2)
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}
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func TestEth_GetFilterChanges_Topics_XB(t *testing.T) {
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rpcRes, err := call(t, "eth_blockNumber", []string{})
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require.NoError(t, err)
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var res hexutil.Uint64
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err = res.UnmarshalJSON(rpcRes.Result)
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require.NoError(t, err)
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param := make([]map[string]interface{}, 1)
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param[0] = make(map[string]interface{})
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param[0]["topics"] = []interface{}{nil, worldTopic}
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param[0]["fromBlock"] = res.String()
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param[0]["toBlock"] = "0x0" // latest
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deployTestContractWithFunction(t)
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rpcRes, err = call(t, "eth_newFilter", param)
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require.NoError(t, err)
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var ID hexutil.Bytes
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err = json.Unmarshal(rpcRes.Result, &ID)
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require.NoError(t, err)
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time.Sleep(time.Second * 2)
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// get filter changes
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changesRes, err := call(t, "eth_getFilterChanges", []string{ID.String()})
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require.NoError(t, err)
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var logs []*ethtypes.Log
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err = json.Unmarshal(changesRes.Result, &logs)
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require.NoError(t, err)
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require.Equal(t, 1, len(logs))
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time.Sleep(time.Second)
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}
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func TestEth_GetFilterChanges_Topics_XXC(t *testing.T) {
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// TODO: call test function, need tx receipts to determine contract address
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}
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func TestEth_GetLogs_NoLogs(t *testing.T) {
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param := make([]map[string][]string, 1)
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param[0] = make(map[string][]string)
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param[0]["topics"] = []string{}
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_, err := call(t, "eth_getLogs", param)
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require.NoError(t, err)
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}
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func TestEth_GetLogs_Topics_AB(t *testing.T) {
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rpcRes, err := call(t, "eth_blockNumber", []string{})
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require.NoError(t, err)
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var res hexutil.Uint64
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err = res.UnmarshalJSON(rpcRes.Result)
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require.NoError(t, err)
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param := make([]map[string]interface{}, 1)
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param[0] = make(map[string]interface{})
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param[0]["topics"] = []string{helloTopic, worldTopic}
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param[0]["fromBlock"] = res.String()
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param[0]["toBlock"] = zeroString // latest
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deployTestContractWithFunction(t)
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|
|
rpcRes, err = call(t, "eth_getLogs", param)
|
|
require.NoError(t, err)
|
|
|
|
var logs []*ethtypes.Log
|
|
err = json.Unmarshal(rpcRes.Result, &logs)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, 1, len(logs))
|
|
}
|
|
|
|
func TestEth_NewPendingTransactionFilter(t *testing.T) {
|
|
rpcRes, err := call(t, "eth_newPendingTransactionFilter", []string{})
|
|
require.NoError(t, err)
|
|
|
|
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, err := call(t, "eth_getFilterChanges", []string{code.String()})
|
|
require.NoError(t, err)
|
|
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))
|
|
|
|
}
|