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ThawAccount.go
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/
ThawAccount.go
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// Copyright 2021 github.com/gagliardetto
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package token
import (
"errors"
"fmt"
"github.com/cielu/go-solana/common"
"github.com/cielu/go-solana/core"
"github.com/cielu/go-solana/pkg/encodbin"
"github.com/cielu/go-solana/types/base"
)
// ThawAccount Thaw a Frozen account using the Mint's freeze_authority (if set).
type ThawAccount struct {
// [0] = [WRITE] account
// ··········· The account to thaw.
//
// [1] = [] mint
// ··········· The token mint.
//
// [2] = [] authority
// ··········· The mint freeze authority.
//
// [3...] = [SIGNER] signers
// ··········· M signer accounts.
Accounts []*base.AccountMeta `bin:"-" borsh_skip:"true"`
Signers []*base.AccountMeta `bin:"-" borsh_skip:"true"`
}
func (tAcc *ThawAccount) SetAccounts(accounts []*base.AccountMeta) error {
tAcc.Accounts, tAcc.Signers = core.SliceSplitFrom(accounts, 3)
return nil
}
func (tAcc ThawAccount) GetAccounts() (accounts []*base.AccountMeta) {
accounts = append(accounts, tAcc.Accounts...)
accounts = append(accounts, tAcc.Signers...)
return
}
// NewThawAccountInstructionBuilder creates a new `ThawAccount` instruction builder.
func NewThawAccountInstructionBuilder() *ThawAccount {
nd := &ThawAccount{
Accounts: make([]*base.AccountMeta, 3),
Signers: make([]*base.AccountMeta, 0),
}
return nd
}
// SetAccount sets the "account" account.
// The account to thaw.
func (tAcc *ThawAccount) SetAccount(account common.Address) *ThawAccount {
tAcc.Accounts[0] = base.Meta(account).WRITE()
return tAcc
}
// GetAccount gets the "account" account.
// The account to thaw.
func (tAcc *ThawAccount) GetAccount() *base.AccountMeta {
return tAcc.Accounts[0]
}
// SetMintAccount sets the "mint" account.
// The token mint.
func (tAcc *ThawAccount) SetMintAccount(mint common.Address) *ThawAccount {
tAcc.Accounts[1] = base.Meta(mint)
return tAcc
}
// GetMintAccount gets the "mint" account.
// The token mint.
func (tAcc *ThawAccount) GetMintAccount() *base.AccountMeta {
return tAcc.Accounts[1]
}
// SetAuthorityAccount sets the "authority" account.
// The mint freeze authority.
func (tAcc *ThawAccount) SetAuthorityAccount(authority common.Address, multisigSigners ...common.Address) *ThawAccount {
tAcc.Accounts[2] = base.Meta(authority)
if len(multisigSigners) == 0 {
tAcc.Accounts[2].SIGNER()
}
for _, signer := range multisigSigners {
tAcc.Signers = append(tAcc.Signers, base.Meta(signer).SIGNER())
}
return tAcc
}
// GetAuthorityAccount gets the "authority" account.
// The mint freeze authority.
func (tAcc *ThawAccount) GetAuthorityAccount() *base.AccountMeta {
return tAcc.Accounts[2]
}
func (tAcc ThawAccount) Build() *Instruction {
return &Instruction{BaseVariant: encodbin.BaseVariant{
Impl: tAcc,
TypeID: encodbin.TypeIDFromUint8(Instruction_ThawAccount),
}}
}
// ValidateAndBuild validates the instruction parameters and accounts;
// if there is a validation error, it returns the error.
// Otherwise, it builds and returns the instruction.
func (tAcc ThawAccount) ValidateAndBuild() (*Instruction, error) {
if err := tAcc.Validate(); err != nil {
return nil, err
}
return tAcc.Build(), nil
}
func (tAcc *ThawAccount) Validate() error {
// Check whether all (required) accounts are set:
{
if tAcc.Accounts[0] == nil {
return errors.New("accounts.Account is not set")
}
if tAcc.Accounts[1] == nil {
return errors.New("accounts.Mint is not set")
}
if tAcc.Accounts[2] == nil {
return errors.New("accounts.Authority is not set")
}
if !tAcc.Accounts[2].IsSigner && len(tAcc.Signers) == 0 {
return fmt.Errorf("accounts.Signers is not set")
}
if len(tAcc.Signers) > MAX_SIGNERS {
return fmt.Errorf("too many signers; got %v, but max is 11", len(tAcc.Signers))
}
}
return nil
}
func (tAcc ThawAccount) MarshalWithEncoder(encoder *encodbin.Encoder) (err error) {
return nil
}
// NewThawAccountInstruction declares a new ThawAccount instruction with the provided parameters and accounts.
func NewThawAccountInstruction(
// Accounts:
account common.Address,
mint common.Address,
authority common.Address,
multisigSigners []common.Address,
) *ThawAccount {
return NewThawAccountInstructionBuilder().
SetAccount(account).
SetMintAccount(mint).
SetAuthorityAccount(authority, multisigSigners...)
}