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>
This commit is contained in:
Kris Shinn
committed by
Guillaume Ballet
Guillaume Ballet
parent
105008b6a1
commit
f91312dbdb
238
vendor/github.com/graph-gophers/graphql-go/internal/exec/selected/selected.go
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vendored
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238
vendor/github.com/graph-gophers/graphql-go/internal/exec/selected/selected.go
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@@ -0,0 +1,238 @@
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package selected
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import (
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"fmt"
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"reflect"
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"sync"
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"github.com/graph-gophers/graphql-go/errors"
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"github.com/graph-gophers/graphql-go/internal/common"
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"github.com/graph-gophers/graphql-go/internal/exec/packer"
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"github.com/graph-gophers/graphql-go/internal/exec/resolvable"
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"github.com/graph-gophers/graphql-go/internal/query"
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"github.com/graph-gophers/graphql-go/internal/schema"
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"github.com/graph-gophers/graphql-go/introspection"
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)
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type Request struct {
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Schema *schema.Schema
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Doc *query.Document
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Vars map[string]interface{}
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Mu sync.Mutex
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Errs []*errors.QueryError
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}
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func (r *Request) AddError(err *errors.QueryError) {
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r.Mu.Lock()
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r.Errs = append(r.Errs, err)
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r.Mu.Unlock()
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}
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func ApplyOperation(r *Request, s *resolvable.Schema, op *query.Operation) []Selection {
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var obj *resolvable.Object
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switch op.Type {
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case query.Query:
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obj = s.Query.(*resolvable.Object)
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case query.Mutation:
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obj = s.Mutation.(*resolvable.Object)
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}
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return applySelectionSet(r, obj, op.Selections)
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}
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type Selection interface {
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isSelection()
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}
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type SchemaField struct {
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resolvable.Field
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Alias string
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Args map[string]interface{}
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PackedArgs reflect.Value
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Sels []Selection
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Async bool
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FixedResult reflect.Value
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}
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type TypeAssertion struct {
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resolvable.TypeAssertion
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Sels []Selection
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}
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type TypenameField struct {
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resolvable.Object
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Alias string
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}
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func (*SchemaField) isSelection() {}
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func (*TypeAssertion) isSelection() {}
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func (*TypenameField) isSelection() {}
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func applySelectionSet(r *Request, e *resolvable.Object, sels []query.Selection) (flattenedSels []Selection) {
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for _, sel := range sels {
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switch sel := sel.(type) {
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case *query.Field:
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field := sel
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if skipByDirective(r, field.Directives) {
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continue
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}
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switch field.Name.Name {
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case "__typename":
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flattenedSels = append(flattenedSels, &TypenameField{
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Object: *e,
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Alias: field.Alias.Name,
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})
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case "__schema":
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flattenedSels = append(flattenedSels, &SchemaField{
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Field: resolvable.MetaFieldSchema,
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Alias: field.Alias.Name,
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Sels: applySelectionSet(r, resolvable.MetaSchema, field.Selections),
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Async: true,
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FixedResult: reflect.ValueOf(introspection.WrapSchema(r.Schema)),
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})
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case "__type":
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p := packer.ValuePacker{ValueType: reflect.TypeOf("")}
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v, err := p.Pack(field.Arguments.MustGet("name").Value(r.Vars))
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if err != nil {
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r.AddError(errors.Errorf("%s", err))
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return nil
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}
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t, ok := r.Schema.Types[v.String()]
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if !ok {
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return nil
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}
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flattenedSels = append(flattenedSels, &SchemaField{
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Field: resolvable.MetaFieldType,
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Alias: field.Alias.Name,
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Sels: applySelectionSet(r, resolvable.MetaType, field.Selections),
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Async: true,
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FixedResult: reflect.ValueOf(introspection.WrapType(t)),
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})
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default:
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fe := e.Fields[field.Name.Name]
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var args map[string]interface{}
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var packedArgs reflect.Value
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if fe.ArgsPacker != nil {
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args = make(map[string]interface{})
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for _, arg := range field.Arguments {
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args[arg.Name.Name] = arg.Value.Value(r.Vars)
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}
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var err error
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packedArgs, err = fe.ArgsPacker.Pack(args)
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if err != nil {
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r.AddError(errors.Errorf("%s", err))
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return
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}
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}
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fieldSels := applyField(r, fe.ValueExec, field.Selections)
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flattenedSels = append(flattenedSels, &SchemaField{
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Field: *fe,
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Alias: field.Alias.Name,
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Args: args,
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PackedArgs: packedArgs,
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Sels: fieldSels,
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Async: fe.HasContext || fe.ArgsPacker != nil || fe.HasError || HasAsyncSel(fieldSels),
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})
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}
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case *query.InlineFragment:
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frag := sel
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if skipByDirective(r, frag.Directives) {
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continue
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}
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flattenedSels = append(flattenedSels, applyFragment(r, e, &frag.Fragment)...)
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case *query.FragmentSpread:
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spread := sel
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if skipByDirective(r, spread.Directives) {
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continue
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}
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flattenedSels = append(flattenedSels, applyFragment(r, e, &r.Doc.Fragments.Get(spread.Name.Name).Fragment)...)
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default:
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panic("invalid type")
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}
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}
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return
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}
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func applyFragment(r *Request, e *resolvable.Object, frag *query.Fragment) []Selection {
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if frag.On.Name != "" && frag.On.Name != e.Name {
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a, ok := e.TypeAssertions[frag.On.Name]
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if !ok {
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panic(fmt.Errorf("%q does not implement %q", frag.On, e.Name)) // TODO proper error handling
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}
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return []Selection{&TypeAssertion{
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TypeAssertion: *a,
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Sels: applySelectionSet(r, a.TypeExec.(*resolvable.Object), frag.Selections),
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}}
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}
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return applySelectionSet(r, e, frag.Selections)
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}
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func applyField(r *Request, e resolvable.Resolvable, sels []query.Selection) []Selection {
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switch e := e.(type) {
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case *resolvable.Object:
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return applySelectionSet(r, e, sels)
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case *resolvable.List:
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return applyField(r, e.Elem, sels)
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case *resolvable.Scalar:
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return nil
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default:
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panic("unreachable")
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}
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}
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func skipByDirective(r *Request, directives common.DirectiveList) bool {
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if d := directives.Get("skip"); d != nil {
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p := packer.ValuePacker{ValueType: reflect.TypeOf(false)}
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v, err := p.Pack(d.Args.MustGet("if").Value(r.Vars))
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if err != nil {
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r.AddError(errors.Errorf("%s", err))
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}
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if err == nil && v.Bool() {
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return true
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}
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}
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if d := directives.Get("include"); d != nil {
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p := packer.ValuePacker{ValueType: reflect.TypeOf(false)}
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v, err := p.Pack(d.Args.MustGet("if").Value(r.Vars))
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if err != nil {
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r.AddError(errors.Errorf("%s", err))
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}
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if err == nil && !v.Bool() {
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return true
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}
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}
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return false
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}
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func HasAsyncSel(sels []Selection) bool {
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for _, sel := range sels {
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switch sel := sel.(type) {
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case *SchemaField:
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if sel.Async {
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return true
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}
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case *TypeAssertion:
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if HasAsyncSel(sel.Sels) {
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return true
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}
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case *TypenameField:
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// sync
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default:
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panic("unreachable")
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}
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}
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return false
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}
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