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create.go
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create.go
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package associatedaccount
import (
"github.com/cielu/go-solana/common"
"github.com/cielu/go-solana/pkg/encodbin"
"github.com/cielu/go-solana/types/base"
)
// 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.
type Create struct {
Payer common.Address `bin:"-" borsh_skip:"true"`
Wallet common.Address `bin:"-" borsh_skip:"true"`
Mint common.Address `bin:"-" borsh_skip:"true"`
TokenProgramID common.Address `bin:"-" borsh_skip:"true"`
// [0] = [WRITE, SIGNER] Payer
// ··········· Funding account
//
// [1] = [WRITE] AssociatedTokenAccount
// ··········· Associated token account address to be created
//
// [2] = [] Wallet
// ··········· Wallet address for the new associated token account
//
// [3] = [] TokenMint
// ··········· The token mint for the new associated token account
//
// [4] = [] SystemProgram
// ··········· System program ID
//
// [5] = [] TokenProgram
// ··········· SPL token program ID
//
// [6] = [] SysVarRent
// ··········· SysVarRentPubkey
base.AccountMetaSlice `bin:"-" borsh_skip:"true"`
}
// NewCreateInstructionBuilder creates a new `Create` instruction builder.
func NewCreateInstructionBuilder() *Create {
nd := &Create{}
return nd
}
func (inst *Create) SetPayer(payer common.Address) *Create {
inst.Payer = payer
return inst
}
func (inst *Create) SetWallet(wallet common.Address) *Create {
inst.Wallet = wallet
return inst
}
func (inst *Create) SetMint(mint common.Address) *Create {
inst.Mint = mint
return inst
}
func (inst *Create) SetTokenProgramID(tokenProgramID common.Address) *Create {
inst.TokenProgramID = tokenProgramID
return inst
}
func (inst Create) Build() *Instruction {
// Find the associatedTokenAddress;
associatedTokenAddress, _, _ := base.FindAssociatedTokenAddress(
inst.Wallet,
inst.Mint,
)
if inst.TokenProgramID == base.Token2022ProgramID {
associatedTokenAddress, _, _ = base.FindAssociatedTokenAddress(inst.Wallet, inst.Mint, base.Token2022ProgramID)
}
keys := []*base.AccountMeta{
{
PublicKey: inst.Payer,
IsSigner: true,
IsWritable: true,
},
{
PublicKey: associatedTokenAddress,
IsSigner: false,
IsWritable: true,
},
{
PublicKey: inst.Wallet,
IsSigner: false,
IsWritable: false,
},
{
PublicKey: inst.Mint,
IsSigner: false,
IsWritable: false,
},
{
PublicKey: base.SystemProgramID,
IsSigner: false,
IsWritable: false,
},
{
PublicKey: inst.TokenProgramID,
IsSigner: false,
IsWritable: false,
},
{
PublicKey: base.SysVarRentPubkey,
IsSigner: false,
IsWritable: false,
},
}
inst.AccountMetaSlice = keys
return &Instruction{BaseVariant: encodbin.BaseVariant{
Impl: inst,
TypeID: encodbin.NoTypeIDDefaultID,
}}
}
func (inst Create) MarshalWithEncoder(encoder *encodbin.Encoder) error {
return encoder.WriteBytes([]byte{}, false)
}
func NewCreateInstruction(
payer common.Address,
walletAddress common.Address,
splTokenMintAddress common.Address,
) *Create {
return NewCreateInstructionBuilder().
SetPayer(payer).
SetWallet(walletAddress).
SetMint(splTokenMintAddress).
SetTokenProgramID(base.TokenProgramID)
}