go-ethereum/graphql/graphiql.go
Kris Shinn f91312dbdb GraphQL master FF for review (#18445)
* Initial work on a graphql API

* Added receipts, and more transaction fields.

* Finish receipts, add logs

* Add transactionCount to block

* Add types  and .

* Update Block type to be compatible with ethql

* Rename nonce to transactionCount in Account, to be compatible with ethql

* Update transaction, receipt and log to match ethql

* Add  query operator, for a range of blocks

* Added ommerCount to Block

* Add transactionAt and ommerAt to Block

* Added sendRawTransaction mutation

* Add Call and EstimateGas to graphQL API

* Refactored to use hexutil.Bytes instead of HexBytes

* Replace BigNum with hexutil.Big

* Refactor call and estimateGas to use ethapi struct type

* Replace ethgraphql.Address with common.Address

* Replace ethgraphql.Hash with common.Hash

* Converted most quantities to Long instead of Int

* Add support for logs

* Fix bug in runFilter

* Restructured Transaction to work primarily with headers, so uncle data is reported properly

* Add gasPrice API

* Add protocolVersion API

* Add syncing API

* Moved schema into its own source file

* Move some single use args types into anonymous structs

* Add doc-comments

* Fixed backend fetching to use context

* Added (very) basic tests

* Add documentation to the graphql schema

* Fix reversion for formatting of big numbers

* Correct spelling error

* s/BigInt/Long/

* Update common/types.go

* Fixes in response to review

* Fix lint error

* Updated calls on private functions

* Fix typo in graphql.go

* Rollback ethapi breaking changes for graphql support
Co-Authored-By: Arachnid <arachnid@notdot.net>
2019-01-21 15:38:13 +01:00

96 lines
3.1 KiB
Go

// The MIT License (MIT)
//
// Copyright (c) 2016 Muhammed Thanish
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package graphql
import (
"bytes"
"fmt"
"net/http"
)
// GraphiQL is an in-browser IDE for exploring GraphiQL APIs.
// This handler returns GraphiQL when requested.
//
// For more information, see https://github.com/graphql/graphiql.
type GraphiQL struct{}
func respond(w http.ResponseWriter, body []byte, code int) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.WriteHeader(code)
_, _ = w.Write(body)
}
func errorJSON(msg string) []byte {
buf := bytes.Buffer{}
fmt.Fprintf(&buf, `{"error": "%s"}`, msg)
return buf.Bytes()
}
func (h GraphiQL) ServeHTTP(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
respond(w, errorJSON("only GET requests are supported"), http.StatusMethodNotAllowed)
return
}
w.Write(graphiql)
}
var graphiql = []byte(`
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/graphiql/0.11.11/graphiql.css"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/2.0.3/fetch.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.2.0/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.2.0/umd/react-dom.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/graphiql/0.11.11/graphiql.min.js"></script>
</head>
<body style="width: 100%; height: 100%; margin: 0; overflow: hidden;">
<div id="graphiql" style="height: 100vh;">Loading...</div>
<script>
function fetchGQL(params) {
return fetch("/graphql", {
method: "post",
body: JSON.stringify(params),
credentials: "include",
}).then(function (resp) {
return resp.text();
}).then(function (body) {
try {
return JSON.parse(body);
} catch (error) {
return body;
}
});
}
ReactDOM.render(
React.createElement(GraphiQL, {fetcher: fetchGQL}),
document.getElementById("graphiql")
)
</script>
</body>
</html>
`)