145 lines
4.4 KiB
Go
145 lines
4.4 KiB
Go
package token
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import (
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"encoding/binary"
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"errors"
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ag_binary "github.com/gagliardetto/binary"
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ag_solanago "github.com/gagliardetto/solana-go"
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ag_format "github.com/gagliardetto/solana-go/text/format"
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ag_treeout "github.com/gagliardetto/treeout"
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)
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// Freeze an Initialized account using the Mint's freeze_authority (if set).
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type FreezeAccount struct {
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// [0] = [WRITE] account
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// ··········· The account to freeze.
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//
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// [1] = [] mint
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// ··········· The token mint.
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//
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// [2] = [] authority
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// ··········· The mint freeze authority.
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ag_solanago.AccountMetaSlice `bin:"-" borsh_skip:"true"`
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}
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// NewFreezeAccountInstructionBuilder creates a new `FreezeAccount` instruction builder.
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func NewFreezeAccountInstructionBuilder() *FreezeAccount {
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nd := &FreezeAccount{
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AccountMetaSlice: make(ag_solanago.AccountMetaSlice, 3),
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}
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return nd
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}
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// SetAccount sets the "account" account.
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// The account to freeze.
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func (inst *FreezeAccount) SetAccount(account ag_solanago.PublicKey) *FreezeAccount {
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inst.AccountMetaSlice[0] = ag_solanago.Meta(account).WRITE()
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return inst
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}
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// GetAccount gets the "account" account.
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// The account to freeze.
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func (inst *FreezeAccount) GetAccount() *ag_solanago.AccountMeta {
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return inst.AccountMetaSlice[0]
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}
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// SetMintAccount sets the "mint" account.
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// The token mint.
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func (inst *FreezeAccount) SetMintAccount(mint ag_solanago.PublicKey) *FreezeAccount {
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inst.AccountMetaSlice[1] = ag_solanago.Meta(mint)
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return inst
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}
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// GetMintAccount gets the "mint" account.
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// The token mint.
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func (inst *FreezeAccount) GetMintAccount() *ag_solanago.AccountMeta {
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return inst.AccountMetaSlice[1]
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}
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// SetAuthorityAccount sets the "authority" account.
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// The mint freeze authority.
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func (inst *FreezeAccount) SetAuthorityAccount(authority ag_solanago.PublicKey) *FreezeAccount {
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inst.AccountMetaSlice[2] = ag_solanago.Meta(authority)
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return inst
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}
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// GetAuthorityAccount gets the "authority" account.
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// The mint freeze authority.
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func (inst *FreezeAccount) GetAuthorityAccount() *ag_solanago.AccountMeta {
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return inst.AccountMetaSlice[2]
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}
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func (inst FreezeAccount) Build() *Instruction {
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return &Instruction{BaseVariant: ag_binary.BaseVariant{
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Impl: inst,
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TypeID: ag_binary.TypeIDFromUint32(Instruction_FreezeAccount, binary.LittleEndian),
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}}
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}
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// ValidateAndBuild validates the instruction parameters and accounts;
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// if there is a validation error, it returns the error.
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// Otherwise, it builds and returns the instruction.
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func (inst FreezeAccount) ValidateAndBuild() (*Instruction, error) {
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if err := inst.Validate(); err != nil {
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return nil, err
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}
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return inst.Build(), nil
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}
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func (inst *FreezeAccount) Validate() error {
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// Check whether all (required) accounts are set:
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{
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if inst.AccountMetaSlice[0] == nil {
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return errors.New("accounts.Account is not set")
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}
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if inst.AccountMetaSlice[1] == nil {
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return errors.New("accounts.Mint is not set")
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}
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if inst.AccountMetaSlice[2] == nil {
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return errors.New("accounts.Authority is not set")
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}
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}
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return nil
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}
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func (inst *FreezeAccount) EncodeToTree(parent ag_treeout.Branches) {
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parent.Child(ag_format.Program(ProgramName, ProgramID)).
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//
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ParentFunc(func(programBranch ag_treeout.Branches) {
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programBranch.Child(ag_format.Instruction("FreezeAccount")).
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//
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ParentFunc(func(instructionBranch ag_treeout.Branches) {
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// Parameters of the instruction:
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instructionBranch.Child("Params").ParentFunc(func(paramsBranch ag_treeout.Branches) {})
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// Accounts of the instruction:
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instructionBranch.Child("Accounts").ParentFunc(func(accountsBranch ag_treeout.Branches) {
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accountsBranch.Child(ag_format.Meta("account", inst.AccountMetaSlice[0]))
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accountsBranch.Child(ag_format.Meta("mint", inst.AccountMetaSlice[1]))
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accountsBranch.Child(ag_format.Meta("authority", inst.AccountMetaSlice[2]))
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})
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})
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})
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}
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func (obj FreezeAccount) MarshalWithEncoder(encoder *ag_binary.Encoder) (err error) {
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return nil
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}
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func (obj *FreezeAccount) UnmarshalWithDecoder(decoder *ag_binary.Decoder) (err error) {
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return nil
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}
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// NewFreezeAccountInstruction declares a new FreezeAccount instruction with the provided parameters and accounts.
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func NewFreezeAccountInstruction(
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// Accounts:
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account ag_solanago.PublicKey,
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mint ag_solanago.PublicKey,
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authority ag_solanago.PublicKey) *FreezeAccount {
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return NewFreezeAccountInstructionBuilder().
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SetAccount(account).
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SetMintAccount(mint).
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SetAuthorityAccount(authority)
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}
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