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main.go
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package main
import (
"bytes"
"encoding/json"
"flag"
"fmt"
"github.com/davecgh/go-spew/spew"
"github.com/gagliardetto/solana-go"
"io/ioutil"
"os"
"path"
"path/filepath"
"strconv"
"strings"
"time"
"unicode/utf8"
. "github.com/dave/jennifer/jen"
"github.com/fragmetric-labs/solana-anchor-go/sighash"
bin "github.com/gagliardetto/binary"
. "github.com/gagliardetto/utilz"
"golang.org/x/mod/modfile"
)
const generatedDir = "generated"
// TODO:
// - tests where type has field that is a complex enum (represented as an interface): assign a random concrete value from the possible enum variants.
// - when printing tree, check for len before accessing array indexes.
func main() {
conf.Encoding = EncodingBorsh
conf.TypeID = TypeIDAnchor
filenames := FlagStringArray{}
flag.Var(&filenames, "src", "Path to source; can use multiple times.")
flag.StringVar(&conf.DstDir, "dst", generatedDir, "Destination folder")
flag.StringVar(&conf.Package, "pkg", "", "Set package name to generate, default value is metadata.name of the source IDL.")
flag.BoolVar(&conf.Debug, "debug", false, "debug mode")
flag.BoolVar(&conf.RemoveAccountSuffix, "remove-account-suffix", false, "Remove \"Account\" suffix from accessors (if leads to duplication, e.g. \"SetFooAccountAccount\")")
flag.StringVar((*string)(&conf.Encoding), "codec", string(EncodingBorsh), "Choose codec")
flag.StringVar((*string)(&conf.TypeID), "type-id", string(TypeIDAnchor), "Choose typeID kind")
flag.StringVar(&conf.ModPath, "mod", "", "Generate a go.mod file with the necessary dependencies, and this module")
flag.Parse()
if err := conf.Validate(); err != nil {
panic(fmt.Errorf("error while validating config: %w", err))
}
var ts time.Time
if GetConfig().Debug {
ts = time.Unix(0, 0)
} else {
ts = time.Now()
}
if len(filenames) == 0 {
Sfln(
"[%s] No IDL files provided",
Red(XMark),
)
os.Exit(1)
}
{
exists, err := DirExists(GetConfig().DstDir)
if err != nil {
panic(err)
}
if !exists {
MustCreateFolderIfNotExists(GetConfig().DstDir, os.ModePerm)
}
}
callbacks := make([]func(), 0)
defer func() {
for _, cb := range callbacks {
cb()
}
}()
for _, idlFilepath := range filenames {
Sfln(
"[%s] Generating client from IDL: %s",
Shakespeare("+"),
Shakespeare(idlFilepath),
)
idlFile, err := os.Open(idlFilepath)
if err != nil {
panic(err)
}
dec := json.NewDecoder(idlFile)
var idl IDL
err = dec.Decode(&idl)
if err != nil {
panic(err)
}
{
if idl.State != nil {
Sfln(
"%s idl.State is defined, but generator is not implemented yet.",
OrangeBG("[?]"),
)
}
//if len(idl.Events) > 0 {
// Sfln(
// "%s idl.Events is defined, but generator is not implemented yet.",
// OrangeBG("[?]"),
// )
//}
//if len(idl.Errors) > 0 {
// Sfln(
// "%s idl.Errors is defined, but generator is not implemented yet.",
// OrangeBG("[?]"),
// )
//}
//if len(idl.Constants) > 0 {
// Sfln(
// "%s idl.Constants is defined, but generator is not implemented yet.",
// OrangeBG("[?]"),
// )
//}
}
// spew.Dump(idl)
// Create subfolder for package for generated assets:
packageAssetFolderName := sighash.ToRustSnakeCase(idl.Metadata.Name)
var dstDirForFiles string
if GetConfig().Debug {
packageAssetFolderPath := path.Join(GetConfig().DstDir, packageAssetFolderName)
MustCreateFolderIfNotExists(packageAssetFolderPath, os.ModePerm)
// Create folder for assets generated during this run:
thisRunAssetFolderName := ToLowerCamel(idl.Metadata.Name) + "_" + ts.Format(FilenameTimeFormat)
thisRunAssetFolderPath := path.Join(packageAssetFolderPath, thisRunAssetFolderName)
// Create a new assets folder inside the main assets folder:
MustCreateFolderIfNotExists(thisRunAssetFolderPath, os.ModePerm)
dstDirForFiles = thisRunAssetFolderPath
} else {
if GetConfig().DstDir == generatedDir {
dstDirForFiles = filepath.Join(GetConfig().DstDir, packageAssetFolderName)
} else {
dstDirForFiles = GetConfig().DstDir
}
}
MustCreateFolderIfNotExists(dstDirForFiles, os.ModePerm)
files, err := GenerateClientFromProgramIDL(idl)
if err != nil {
panic(err)
}
{
mdf := &modfile.File{}
mdf.AddModuleStmt(GetConfig().ModPath)
mdf.AddNewRequire("github.com/gagliardetto/solana-go", "v1.5.0", false)
mdf.AddNewRequire("github.com/fragmetric-labs/solana-binary-go", "v0.8.0", false)
mdf.AddNewRequire("github.com/gagliardetto/treeout", "v0.1.4", false)
mdf.AddNewRequire("github.com/gagliardetto/gofuzz", "v1.2.2", false)
mdf.AddNewRequire("github.com/stretchr/testify", "v1.6.1", false)
mdf.AddNewRequire("github.com/davecgh/go-spew", "v1.1.1", false)
mdf.Cleanup()
//callbacks = append(callbacks, func() {
// Ln()
// Ln(Bold("Don't forget to import the necessary dependencies!"))
// Ln()
// for _, v := range mdf.Require {
// Sfln(
// " go get %s@%s",
// v.Mod.Path,
// v.Mod.Version,
// )
// }
// Ln()
//})
if GetConfig().ModPath != "" {
mfBytes, err := mdf.Format()
if err != nil {
panic(err)
}
gomodFilepath := filepath.Join(dstDirForFiles, "go.mod")
Sfln(
"[%s] %s",
Lime(Checkmark),
MustAbs(gomodFilepath),
)
// Write `go.mod` file:
err = ioutil.WriteFile(gomodFilepath, mfBytes, 0666)
if err != nil {
panic(err)
}
}
}
for _, file := range files {
// err := file.Render(os.Stdout)
// if err != nil {
// panic(err)
// }
file.File.HeaderComment("Code generated by https://github.com/gagliardetto/anchor-go. DO NOT EDIT.")
{
// Save assets:
assetFileName := file.Name + ".go"
assetFilepath := path.Join(dstDirForFiles, assetFileName)
// Create file:
goFile, err := os.Create(assetFilepath)
if err != nil {
panic(err)
}
defer goFile.Close()
// Write generated code file:
Sfln(
"[%s] %s",
Lime(Checkmark),
MustAbs(assetFilepath),
)
err = file.File.Render(goFile)
if err != nil {
panic(err)
}
}
}
}
}
func FormatSighash(buf []byte) string {
elems := make([]string, 0)
for _, v := range buf {
elems = append(elems, strconv.Itoa(int(v)))
}
return "[" + strings.Join(elems, ", ") + "]"
}
func GenerateClientFromProgramIDL(idl IDL) ([]*FileWrapper, error) {
if idl.Address == "" {
idl.Address = idl.Metadata.Address
}
if GetConfig().Package != "" {
idl.Metadata.Name = GetConfig().Package
}
if err := idl.Validate(); err != nil {
return nil, err
}
// configurable address map
addresses := make(map[string]string)
files := make([]*FileWrapper, 0)
{
// Create and populate Go file that holds all the basic
// elements of an instruction client:
file, err := genProgramBoilerplate(idl)
if err != nil {
return nil, err
}
file.Add(Empty().Id(`
func DecodeInstructions(message *ag_solanago.Message) (instructions []*Instruction, err error) {
for _, ins := range message.Instructions {
var programID ag_solanago.PublicKey
if programID, err = message.Program(ins.ProgramIDIndex); err != nil {
return
}
if !programID.Equals(ProgramID) {
continue
}
var accounts []*ag_solanago.AccountMeta
if accounts, err = ins.ResolveInstructionAccounts(message); err != nil {
return
}
var insDecoded *Instruction
if insDecoded, err = decodeInstruction(accounts, ins.Data); err != nil {
return
}
instructions = append(instructions, insDecoded)
}
return
}
`))
files = append(files, &FileWrapper{
Name: "instructions",
File: file,
})
}
{
// register complex enums:
for _, typ := range idl.Types {
registerComplexEnums(&idl, typ)
}
for _, typ := range idl.Accounts {
registerComplexEnums(&idl, typ)
}
}
defs := make(map[string]IdlTypeDef)
{
file := NewGoFile(idl.Metadata.Name, true)
// Declare types from IDL:
for _, typ := range idl.Types {
defs[typ.Name] = typ
file.Add(genTypeDef(&idl, nil, IdlTypeDef{
Name: typ.Name,
Type: typ.Type,
}))
}
files = append(files, &FileWrapper{
Name: "types",
File: file,
})
}
{
file := NewGoFile(idl.Metadata.Name, true)
// Declare account layouts from IDL:
for _, acc := range idl.Accounts {
if _, ok := defs[acc.Name]; ok {
file.Add(genTypeDef(&idl, acc.Discriminator, IdlTypeDef{
Name: defs[acc.Name].Name + "Account",
Type: defs[acc.Name].Type,
}))
} else {
panic(`not implemented - only IDL from ("anchor": ">=0.30.0") is available`)
}
}
files = append(files, &FileWrapper{
Name: "accounts",
File: file,
})
}
{
file := NewGoFile(idl.Metadata.Name, true)
// Declare account layouts from IDL:
for _, evt := range idl.Events {
if _, ok := defs[evt.Name]; ok {
eventDataTypeName := defs[evt.Name].Name + "EventData"
file.Add(genTypeDef(&idl, evt.Discriminator, IdlTypeDef{
Name: eventDataTypeName,
Type: defs[evt.Name].Type,
}))
file.Add(Func().Params(Op("*").Id(eventDataTypeName)).Id("isEventData").Params().Block())
} else {
panic(`not implemented - only IDL from ("anchor": ">=0.30.0") is available`)
}
}
file.Add(Empty().Var().Id("eventTypes").Op("=").Map(Index(Lit(8)).Byte()).Qual("reflect", "Type").Values(DictFunc(func(d Dict) {
for _, evt := range idl.Events {
if def, ok := defs[evt.Name]; ok {
d[Id(def.Name+"EventDataDiscriminator")] = Id("reflect.TypeOf(" + def.Name + "EventData{})")
}
}
})))
file.Add(Empty().Var().Id("eventNames").Op("=").Map(Index(Lit(8)).Byte()).String().Values(DictFunc(func(d Dict) {
for _, evt := range idl.Events {
if def, ok := defs[evt.Name]; ok {
d[Id(def.Name+"EventDataDiscriminator")] = Lit(def.Name)
}
}
})))
// TODO: refactor it
// to generate import statements
file.Add(Empty().Var().Defs(Id("_").Op("*").Qual("strings", "Builder").Op("=").Nil()))
file.Add(Empty().Var().Defs(Id("_").Op("*").Qual("encoding/base64", "Encoding").Op("=").Nil()))
file.Add(Empty().Var().Defs(Id("_").Op("*").Qual(PkgDfuseBinary, "Decoder").Op("=").Nil())) // TODO: ..
file.Add(Empty().Var().Defs(Id("_").Op("*").Qual("github.com/gagliardetto/solana-go/rpc", "GetTransactionResult").Op("=").Nil()))
file.Add(Empty().Var().Defs(Id("_").Op("*").Qual("github.com/mr-tron/base58", "Alphabet").Op("=").Nil()))
file.Add(Empty().Id(`
type Event struct {
Name string
Data EventData
}
type EventData interface {
UnmarshalWithDecoder(decoder *ag_binary.Decoder) error
isEventData()
}
const eventLogPrefix = "Program data: "
func DecodeEvents(txData *ag_rpc.GetTransactionResult, targetProgramId ag_solanago.PublicKey, getAddressTables func(altAddresses []ag_solanago.PublicKey) (tables map[ag_solanago.PublicKey]ag_solanago.PublicKeySlice, err error)) (evts []*Event, err error) {
var tx *ag_solanago.Transaction
if tx, err = txData.Transaction.GetTransaction(); err != nil {
return
}
altAddresses := make([]ag_solanago.PublicKey, len(tx.Message.AddressTableLookups))
for i, alt := range tx.Message.AddressTableLookups {
altAddresses[i] = alt.AccountKey
}
if len(altAddresses) > 0 {
var tables map[ag_solanago.PublicKey]ag_solanago.PublicKeySlice
if tables, err = getAddressTables(altAddresses); err != nil {
return
}
tx.Message.SetAddressTables(tables)
if err = tx.Message.ResolveLookups(); err != nil {
return
}
}
var base64Binaries [][]byte
logMessageEventBinaries, err := decodeEventsFromLogMessage(txData.Meta.LogMessages)
if err != nil {
return
}
emitedCPIEventBinaries, err := decodeEventsFromEmitCPI(txData.Meta.InnerInstructions, tx.Message.AccountKeys, targetProgramId)
if err != nil {
return
}
base64Binaries = append(base64Binaries, logMessageEventBinaries...)
base64Binaries = append(base64Binaries, emitedCPIEventBinaries...)
evts, err = parseEvents(base64Binaries)
return
}
func decodeEventsFromLogMessage(logMessages []string) (eventBinaries [][]byte, err error) {
for _, log := range logMessages {
if strings.HasPrefix(log, eventLogPrefix) {
eventBase64 := log[len(eventLogPrefix):]
var eventBinary []byte
if eventBinary, err = base64.StdEncoding.DecodeString(eventBase64); err != nil {
err = fmt.Errorf("failed to decode logMessage event: %s", eventBase64)
return
}
eventBinaries = append(eventBinaries, eventBinary)
}
}
return
}
func decodeEventsFromEmitCPI(InnerInstructions []ag_rpc.InnerInstruction, accountKeys ag_solanago.PublicKeySlice, targetProgramId ag_solanago.PublicKey) (eventBinaries [][]byte, err error) {
for _, parsedIx := range InnerInstructions {
for _, ix := range parsedIx.Instructions {
if accountKeys[ix.ProgramIDIndex] != targetProgramId {
continue
}
var ixData []byte
if ixData, err = ag_base58.Decode(ix.Data.String()); err != nil {
return
}
if len(ixData) < 8 {
continue
}
eventBase64 := base64.StdEncoding.EncodeToString(ixData[8:])
var eventBinary []byte
if eventBinary, err = base64.StdEncoding.DecodeString(eventBase64); err != nil {
return
}
eventBinaries = append(eventBinaries, eventBinary)
}
}
return
}
func parseEvents(base64Binaries [][]byte) (evts []*Event, err error) {
decoder := ag_binary.NewDecoderWithEncoding(nil, ag_binary.EncodingBorsh)
for _, eventBinary := range base64Binaries {
if len(eventBinary) < 8 {
continue
}
eventDiscriminator := ag_binary.TypeID(eventBinary[:8])
if eventType, ok := eventTypes[eventDiscriminator]; ok {
eventData := reflect.New(eventType).Interface().(EventData)
decoder.Reset(eventBinary)
if err = eventData.UnmarshalWithDecoder(decoder); err != nil {
err = fmt.Errorf("failed to unmarshal event %s: %w", eventType.String(), err)
return
}
evts = append(evts, &Event{
Name: eventNames[eventDiscriminator],
Data: eventData,
})
}
}
return
}
`))
files = append(files, &FileWrapper{
Name: "events",
File: file,
})
}
{
// define custom errors
file := NewGoFile(idl.Metadata.Name, true)
// to generate import statements
file.Add(Var().Defs(
Id("_").Op("*").Qual("encoding/json", "Encoder").Op("=").Nil(),
Id("_").Op("*").Qual("github.com/gagliardetto/solana-go/rpc/jsonrpc", "RPCError").Op("=").Nil(),
Id("_").Qual("fmt", "Formatter").Op("=").Nil(),
Id("_").Op("=").Qual("errors", "ErrUnsupported"),
))
file.Add(Var().DefsFunc(func(group *Group) {
errDict := Dict{}
for _, errDef := range idl.Errors {
name := "Err" + ToCamel(errDef.Name)
group.Add(Id(name).Op("=").Op("&").Id("customErrorDef").Values(Dict{
Id("code"): Lit(errDef.Code),
Id("name"): Lit(errDef.Name),
Id("msg"): Lit(errDef.Msg),
}))
errDict[Lit(errDef.Code)] = Id(name)
}
group.Add(Id("Errors").Op("=").Map(Int()).Id("CustomError").Values(errDict))
}))
file.Add(Empty().Id(`
type CustomError interface {
Code() int
Name() string
Error() string
}
type customErrorDef struct {
code int
name string
msg string
}
func (e *customErrorDef) Code() int {
return e.code
}
func (e *customErrorDef) Name() string {
return e.name
}
func (e *customErrorDef) Error() string {
return fmt.Sprintf("%s(%d): %s", e.name, e.code, e.msg)
}
func DecodeCustomError(rpcErr error) (err error, ok bool) {
if errCode, o := decodeErrorCode(rpcErr); o {
if customErr, o := Errors[errCode]; o {
err = customErr
ok = true
return
}
}
return
}
func decodeErrorCode(rpcErr error) (errorCode int, ok bool) {
var jErr *ag_jsonrpc.RPCError
if errors.As(rpcErr, &jErr) && jErr.Data != nil {
if root, o := jErr.Data.(map[string]interface{}); o {
if rootErr, o := root["err"].(map[string]interface{}); o {
if rootErrInstructionError, o := rootErr["InstructionError"]; o {
if rootErrInstructionErrorItems, o := rootErrInstructionError.([]interface{}); o {
if len(rootErrInstructionErrorItems) == 2 {
if v, o := rootErrInstructionErrorItems[1].(map[string]interface{}); o {
if v2, o := v["Custom"].(json.Number); o {
if code, err := v2.Int64(); err == nil {
ok = true
errorCode = int(code)
}
} else if v2, o := v["Custom"].(float64); o {
ok = true
errorCode = int(v2)
}
}
}
}
}
}
}
}
return
}
`))
files = append(files, &FileWrapper{
Name: "errors",
File: file,
})
}
// Instructions:
for _, instruction := range idl.Instructions {
file := NewGoFile(idl.Metadata.Name, true)
insExportedName := ToCamel(instruction.Name)
var args []IdlField
for _, arg := range instruction.Args {
idlFieldArg := IdlField{
Name: arg.Name,
Docs: arg.Docs,
Type: IdlType{
asString: arg.Type.asString,
asIdlTypeVec: arg.Type.asIdlTypeVec,
asIdlTypeOption: arg.Type.asIdlTypeOption,
asIdlTypeArray: arg.Type.asIdlTypeArray,
asIdlTypeDefined: nil,
},
}
if arg.Type.asIdlTypeDefined != nil {
idlFieldArg.Type.asIdlTypeDefined = &IdlTypeDefined{
Defined: IdLTypeDefinedName{
Name: arg.Type.asIdlTypeDefined.Defined.Name,
},
}
}
args = append(args, idlFieldArg)
}
// fmt.Println(RedBG(instruction.Name))
{
code := Empty().Line().Line()
for _, doc := range instruction.Docs {
code.Comment(doc).Line()
}
if len(instruction.Docs) == 0 {
code.Commentf(
"%s is the `%s` instruction.",
insExportedName,
instruction.Name,
).Line()
}
code.Type().Id(insExportedName).StructFunc(func(fieldsGroup *Group) {
for argIndex, arg := range args {
if len(arg.Docs) > 0 {
if argIndex > 0 {
fieldsGroup.Line()
}
for _, doc := range arg.Docs {
fieldsGroup.Comment(doc)
}
}
fieldsGroup.Add(genField(arg, true)).
Add(func() Code {
if arg.Type.IsIdlTypeOption() {
return Tag(map[string]string{
"bin": "optional",
})
}
return nil
}())
}
fieldsGroup.Line()
{
lastGroupName := ""
// Add comments of the accounts from rust docs.
instruction.Accounts.Walk("", nil, nil, func(groupPath string, accountIndex int, parentGroup *IdlAccounts, ia *IdlAccount) bool {
comment := &strings.Builder{}
indent := 6
var prepend int
if groupPath != "" {
thisGroupName := filepath.Base(groupPath)
indent = len(thisGroupName) + 2
if strings.Count(groupPath, "/") == 0 {
prepend = 6
} else {
prepend = 6 + (strings.Count(groupPath, "/") * 2) + len(strings.TrimSuffix(groupPath, thisGroupName)) - 1
}
if lastGroupName != groupPath {
comment.WriteString(strings.Repeat("·", prepend-1) + Sf(" %s: ", thisGroupName))
} else {
comment.WriteString(strings.Repeat("·", prepend+indent-1) + " ")
}
lastGroupName = groupPath
}
comment.WriteString(Sf("[%v] = ", accountIndex))
comment.WriteString("[")
if ia.Writable {
comment.WriteString("WRITE")
}
if ia.Signer {
if ia.Writable {
comment.WriteString(", ")
}
comment.WriteString("SIGNER")
}
comment.WriteString("] ")
comment.WriteString(ia.Name)
fieldsGroup.Comment(comment.String())
for _, doc := range ia.Docs {
fieldsGroup.Comment(strings.Repeat("·", prepend+indent-1+6) + " " + doc)
}
if accountIndex < instruction.Accounts.NumAccounts()-1 {
fieldsGroup.Comment("")
}
accountIndex++
return true
})
}
fieldsGroup.Qual(PkgSolanaGo, "AccountMetaSlice").Tag(map[string]string{
"bin": "-",
})
})
file.Add(code.Line())
}
{
builderFuncName := formatBuilderFuncName(insExportedName)
code := Empty()
code.Commentf(
"%s creates a new `%s` instruction builder.",
builderFuncName,
insExportedName,
).Line()
//
code.Func().Id(builderFuncName).Params().Op("*").Id(insExportedName).
BlockFunc(func(body *Group) {
body.Id("nd").Op(":=").Op("&").Id(insExportedName).Block(
Id("AccountMetaSlice").Op(":").Make(Qual(PkgSolanaGo, "AccountMetaSlice"), Lit(instruction.Accounts.NumAccounts())).Op(","),
)
// Set sysvar accounts and constant accounts:
instruction.Accounts.Walk("", nil, nil, func(parentGroupPath string, index int, parentGroup *IdlAccounts, account *IdlAccount) bool {
if isVar(account.Name) {
pureVarName := getSysVarName(account.Name)
is := isSysVar(pureVarName)
if is {
_, ok := sysVars[pureVarName]
if !ok {
panic(account)
}
def := Qual(PkgSolanaGo, "Meta").Call(Qual(PkgSolanaGo, pureVarName))
if account.Writable {
def.Dot("WRITE").Call()
}
if account.Signer {
def.Dot("SIGNER").Call()
}
body.Id("nd").Dot("AccountMetaSlice").Index(Lit(index)).Op("=").Add(def)
} else {
panic(account)
}
} else if account.Address != "" {
//def := Qual(PkgSolanaGo, "Meta").Call(Qual(PkgSolanaGo, "MustPublicKeyFromBase58").Call(Lit(account.Address)))
def := Qual(PkgSolanaGo, "Meta").Call(Id("Addresses").Index(Lit(account.Address)))
addresses[account.Address] = account.Address
if account.Writable {
def.Dot("WRITE").Call()
}
if account.Signer {
def.Dot("SIGNER").Call()
}
body.Id("nd").Dot("AccountMetaSlice").Index(Lit(index)).Op("=").Add(def)
}
return true
})
body.Return(Id("nd"))
})
file.Add(code.Line())
}
{
// Declare methods that set the parameters of the instruction:
code := Empty()
for _, arg := range args {
exportedArgName := ToCamel(arg.Name)
code.Line().Line()
name := "Set" + exportedArgName
code.Commentf("%s sets the %q parameter.", name, arg.Name).Line()
for _, doc := range arg.Docs {
code.Comment(doc).Line()
}
code.Func().Params(Id("inst").Op("*").Id(insExportedName)).Id(name).
Params(
ListFunc(func(params *Group) {
// Parameters:
params.Id(arg.Name).Add(genTypeName(arg.Type))
}),
).
Params(
ListFunc(func(results *Group) {
// Results:
results.Op("*").Id(insExportedName)
}),
).
BlockFunc(func(body *Group) {
// Body:
body.Id("inst").Dot(exportedArgName).Op("=").
Add(func() Code {
if isComplexEnum(arg.Type) {
return Op("&")
}
return Op("&")
}()).
Id(arg.Name)
body.Return().Id("inst")
})
}
file.Add(code.Line())
}
{
// Declare methods that set/get accounts for the instruction:
code := Empty()
declaredReceivers := []string{}
groupMemberIndex := 0
instruction.Accounts.Walk("", nil, nil, func(parentGroupPath string, index int, parentGroup *IdlAccounts, account *IdlAccount) bool {
builderStructName := insExportedName + ToCamel(parentGroupPath) + "AccountsBuilder"
hasNestedParent := parentGroupPath != ""
isDeclaredReceiver := SliceContains(declaredReceivers, parentGroupPath)
if !hasNestedParent {
groupMemberIndex = index
}
if hasNestedParent && !isDeclaredReceiver {
groupMemberIndex = 0
declaredReceivers = append(declaredReceivers, parentGroupPath)
// many accounts (???)
// builder struct for this accounts group:
code.Line().Line()
for _, doc := range parentGroup.Docs {
code.Comment(doc).Line()
}
code.Type().Id(builderStructName).Struct(
Qual(PkgSolanaGo, "AccountMetaSlice").Tag(map[string]string{
"bin": "-",
}),
)
// func that returns a new builder for this account group:
code.Line().Line().Func().Id("New" + builderStructName).Params().Op("*").Id(builderStructName).
BlockFunc(func(gr *Group) {
gr.Return().Op("&").Id(builderStructName).Block(
Id("AccountMetaSlice").Op(":").Make(Qual(PkgSolanaGo, "AccountMetaSlice"), Lit(parentGroup.Accounts.NumAccounts())).Op(","),
)
}).Line().Line()
// Method on intruction builder that accepts the accounts group builder, and copies the accounts:
code.Line().Line().Func().Params(Id("inst").Op("*").Id(insExportedName)).Id("Set" + ToCamel(parentGroup.Name) + "AccountsFromBuilder").
Params(
ListFunc(func(st *Group) {
// Parameters:
st.Id(ToLowerCamel(builderStructName)).Op("*").Id(builderStructName)
}),
).
Params(
ListFunc(func(st *Group) {
// Results:
st.Op("*").Id(insExportedName)
}),
).
BlockFunc(func(gr *Group) {
// Body:
tpIndex := index
// spew.Dump(parentGroup)
for _, subAccount := range parentGroup.Accounts {
if subAccount.IdlAccount != nil {
exportedAccountName := ToCamel(subAccount.IdlAccount.Name)
def := Id("inst").Dot("AccountMetaSlice").Index(Lit(tpIndex)).
Op("=").Id(ToLowerCamel(builderStructName)).Dot(formatAccountAccessorName("Get", exportedAccountName)).Call()
gr.Add(def)
}
tpIndex++
}
gr.Return().Id("inst")
})
}
{
exportedAccountName := ToCamel(account.Name)
lowerAccountName := ToLowerCamel(account.Name)
var receiverTypeName string
if parentGroupPath == "" {
receiverTypeName = insExportedName
} else {
receiverTypeName = builderStructName
}
code.Add(genAccountGettersSetters(
receiverTypeName,
account,
groupMemberIndex,
exportedAccountName,
lowerAccountName,
instruction.Accounts,
addresses,
))
groupMemberIndex++
}
return true
})
file.Add(code.Line())
}
{
// Declare `Build` method on instruction:
code := Empty()
code.Line().Line().Func().Params(Id("inst").Id(insExportedName)).Id("Build").
Params(
ListFunc(func(params *Group) {
// Parameters:
}),
).
Params(
ListFunc(func(results *Group) {
// Results:
results.Op("*").Id("Instruction")
}),
).
BlockFunc(func(body *Group) {
// Body:
var typeIDCode Code
GetConfig().TypeID.
On(
TypeIDNameSlice{
TypeIDUvarint32,
},
func() {
typeIDCode = Qual(PkgDfuseBinary, "TypeIDFromUvarint32").Call(Id("Instruction_" + insExportedName))
},
).
On(
TypeIDNameSlice{
TypeIDUint32,
},
func() {
typeIDCode = Qual(PkgDfuseBinary, "TypeIDFromUint32").Call(Id("Instruction_"+insExportedName), Qual("encoding/binary", "LittleEndian"))
},
).
On(
TypeIDNameSlice{
TypeIDUint8,
},
func() {
typeIDCode = Qual(PkgDfuseBinary, "TypeIDFromUint8").Call(Id("Instruction_" + insExportedName))
},
).
On(
TypeIDNameSlice{
TypeIDAnchor,
},
func() {
typeIDCode = Id("Instruction_" + insExportedName)
},
).
On(
TypeIDNameSlice{
TypeIDNoType,
},
func() {
// TODO
},
)
body.Return().Op("&").Id("Instruction").Values(
Dict{
Id("BaseVariant"): Qual(PkgDfuseBinary, "BaseVariant").Values(
Dict{
Id("TypeID"): typeIDCode,
Id("Impl"): Id("inst"),
},
),