230 lines
7.4 KiB
Go
230 lines
7.4 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package graphql
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import (
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"fmt"
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"io/ioutil"
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"math/big"
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"net/http"
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"strings"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/params"
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)
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func TestBuildSchema(t *testing.T) {
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ddir, err := ioutil.TempDir("", "graphql-buildschema")
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if err != nil {
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t.Fatalf("failed to create temporary datadir: %v", err)
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}
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// Copy config
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conf := node.DefaultConfig
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conf.DataDir = ddir
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stack, err := node.New(&conf)
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if err != nil {
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t.Fatalf("could not create new node: %v", err)
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}
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// Make sure the schema can be parsed and matched up to the object model.
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if err := newHandler(stack, nil, []string{}, []string{}); err != nil {
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t.Errorf("Could not construct GraphQL handler: %v", err)
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}
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}
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// Tests that a graphQL request is successfully handled when graphql is enabled on the specified endpoint
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func TestGraphQLBlockSerialization(t *testing.T) {
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stack := createNode(t, true)
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defer stack.Close()
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// start node
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if err := stack.Start(); err != nil {
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t.Fatalf("could not start node: %v", err)
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}
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for i, tt := range []struct {
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body string
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want string
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code int
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}{
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{ // Should return latest block
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body: `{"query": "{block{number}}","variables": null}`,
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want: `{"data":{"block":{"number":10}}}`,
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code: 200,
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},
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{ // Should return info about latest block
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body: `{"query": "{block{number,gasUsed,gasLimit}}","variables": null}`,
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want: `{"data":{"block":{"number":10,"gasUsed":0,"gasLimit":11500000}}}`,
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code: 200,
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},
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{
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body: `{"query": "{block(number:0){number,gasUsed,gasLimit}}","variables": null}`,
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want: `{"data":{"block":{"number":0,"gasUsed":0,"gasLimit":11500000}}}`,
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code: 200,
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},
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{
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body: `{"query": "{block(number:-1){number,gasUsed,gasLimit}}","variables": null}`,
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want: `{"data":{"block":null}}`,
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code: 200,
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},
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{
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body: `{"query": "{block(number:-500){number,gasUsed,gasLimit}}","variables": null}`,
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want: `{"data":{"block":null}}`,
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code: 200,
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},
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{
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body: `{"query": "{block(number:\"0\"){number,gasUsed,gasLimit}}","variables": null}`,
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want: `{"data":{"block":{"number":0,"gasUsed":0,"gasLimit":11500000}}}`,
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code: 200,
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},
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{
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body: `{"query": "{block(number:\"-33\"){number,gasUsed,gasLimit}}","variables": null}`,
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want: `{"data":{"block":null}}`,
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code: 200,
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},
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{
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body: `{"query": "{block(number:\"1337\"){number,gasUsed,gasLimit}}","variables": null}`,
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want: `{"data":{"block":null}}`,
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code: 200,
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},
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{
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body: `{"query": "{block(number:\"0xbad\"){number,gasUsed,gasLimit}}","variables": null}`,
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want: `{"errors":[{"message":"strconv.ParseInt: parsing \"0xbad\": invalid syntax"}],"data":{}}`,
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code: 400,
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},
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{ // hex strings are currently not supported. If that's added to the spec, this test will need to change
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body: `{"query": "{block(number:\"0x0\"){number,gasUsed,gasLimit}}","variables": null}`,
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want: `{"errors":[{"message":"strconv.ParseInt: parsing \"0x0\": invalid syntax"}],"data":{}}`,
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code: 400,
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},
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{
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body: `{"query": "{block(number:\"a\"){number,gasUsed,gasLimit}}","variables": null}`,
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want: `{"errors":[{"message":"strconv.ParseInt: parsing \"a\": invalid syntax"}],"data":{}}`,
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code: 400,
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},
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{
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body: `{"query": "{bleh{number}}","variables": null}"`,
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want: `{"errors":[{"message":"Cannot query field \"bleh\" on type \"Query\".","locations":[{"line":1,"column":2}]}]}`,
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code: 400,
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},
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// should return `estimateGas` as decimal
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{
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body: `{"query": "{block{ estimateGas(data:{}) }}"}`,
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want: `{"data":{"block":{"estimateGas":53000}}}`,
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code: 200,
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},
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} {
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resp, err := http.Post(fmt.Sprintf("%s/graphql", stack.HTTPEndpoint()), "application/json", strings.NewReader(tt.body))
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if err != nil {
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t.Fatalf("could not post: %v", err)
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}
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bodyBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.Fatalf("could not read from response body: %v", err)
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}
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if have := string(bodyBytes); have != tt.want {
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t.Errorf("testcase %d %s,\nhave:\n%v\nwant:\n%v", i, tt.body, have, tt.want)
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}
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if tt.code != resp.StatusCode {
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t.Errorf("testcase %d %s,\nwrong statuscode, have: %v, want: %v", i, tt.body, resp.StatusCode, tt.code)
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}
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}
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}
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// Tests that a graphQL request is not handled successfully when graphql is not enabled on the specified endpoint
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func TestGraphQLHTTPOnSamePort_GQLRequest_Unsuccessful(t *testing.T) {
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stack := createNode(t, false)
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defer stack.Close()
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if err := stack.Start(); err != nil {
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t.Fatalf("could not start node: %v", err)
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}
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body := strings.NewReader(`{"query": "{block{number}}","variables": null}`)
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resp, err := http.Post(fmt.Sprintf("%s/graphql", stack.HTTPEndpoint()), "application/json", body)
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if err != nil {
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t.Fatalf("could not post: %v", err)
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}
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bodyBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.Fatalf("could not read from response body: %v", err)
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}
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resp.Body.Close()
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// make sure the request is not handled successfully
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if want, have := "404 page not found\n", string(bodyBytes); have != want {
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t.Errorf("have:\n%v\nwant:\n%v", have, want)
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}
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if want, have := 404, resp.StatusCode; want != have {
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t.Errorf("wrong statuscode, have:\n%v\nwant:%v", have, want)
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}
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}
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func createNode(t *testing.T, gqlEnabled bool) *node.Node {
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stack, err := node.New(&node.Config{
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HTTPHost: "127.0.0.1",
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HTTPPort: 0,
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WSHost: "127.0.0.1",
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WSPort: 0,
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})
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if err != nil {
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t.Fatalf("could not create node: %v", err)
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}
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if !gqlEnabled {
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return stack
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}
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createGQLService(t, stack)
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return stack
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}
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func createGQLService(t *testing.T, stack *node.Node) {
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// create backend
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ethConf := ð.Config{
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Genesis: &core.Genesis{
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Config: params.AllEthashProtocolChanges,
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GasLimit: 11500000,
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Difficulty: big.NewInt(1048576),
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},
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Ethash: ethash.Config{
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PowMode: ethash.ModeFake,
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},
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NetworkId: 1337,
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TrieCleanCache: 5,
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TrieCleanCacheJournal: "triecache",
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TrieCleanCacheRejournal: 60 * time.Minute,
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TrieDirtyCache: 5,
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TrieTimeout: 60 * time.Minute,
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SnapshotCache: 5,
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}
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ethBackend, err := eth.New(stack, ethConf)
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if err != nil {
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t.Fatalf("could not create eth backend: %v", err)
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}
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// Create some blocks and import them
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chain, _ := core.GenerateChain(params.AllEthashProtocolChanges, ethBackend.BlockChain().Genesis(),
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ethash.NewFaker(), ethBackend.ChainDb(), 10, func(i int, gen *core.BlockGen) {})
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_, err = ethBackend.BlockChain().InsertChain(chain)
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if err != nil {
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t.Fatalf("could not create import blocks: %v", err)
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}
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// create gql service
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err = New(stack, ethBackend.APIBackend, []string{}, []string{})
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if err != nil {
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t.Fatalf("could not create graphql service: %v", err)
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}
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}
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