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TransferWithSeed.go
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TransferWithSeed.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 system
import (
"encoding/binary"
"errors"
"fmt"
ag_binary "github.com/gagliardetto/binary"
ag_solanago "github.com/gagliardetto/solana-go"
ag_format "github.com/gagliardetto/solana-go/text/format"
ag_treeout "github.com/gagliardetto/treeout"
)
// Transfer lamports from a derived address
type TransferWithSeed struct {
// Amount to transfer
Lamports *uint64
// Seed to use to derive the funding account address
FromSeed *string
// Owner to use to derive the funding account address
FromOwner *ag_solanago.PublicKey
// [0] = [WRITE] FundingAccount
// ··········· Funding account
//
// [1] = [SIGNER] BaseForFundingAccount
// ··········· Base for funding account
//
// [2] = [WRITE] RecipientAccount
// ··········· Recipient account
ag_solanago.AccountMetaSlice `bin:"-" borsh_skip:"true"`
}
// NewTransferWithSeedInstructionBuilder creates a new `TransferWithSeed` instruction builder.
func NewTransferWithSeedInstructionBuilder() *TransferWithSeed {
nd := &TransferWithSeed{
AccountMetaSlice: make(ag_solanago.AccountMetaSlice, 3),
}
return nd
}
// Amount to transfer
func (inst *TransferWithSeed) SetLamports(lamports uint64) *TransferWithSeed {
inst.Lamports = &lamports
return inst
}
// Seed to use to derive the funding account address
func (inst *TransferWithSeed) SetFromSeed(from_seed string) *TransferWithSeed {
inst.FromSeed = &from_seed
return inst
}
// Owner to use to derive the funding account address
func (inst *TransferWithSeed) SetFromOwner(from_owner ag_solanago.PublicKey) *TransferWithSeed {
inst.FromOwner = &from_owner
return inst
}
// Funding account
func (inst *TransferWithSeed) SetFundingAccount(fundingAccount ag_solanago.PublicKey) *TransferWithSeed {
inst.AccountMetaSlice[0] = ag_solanago.Meta(fundingAccount).WRITE()
return inst
}
func (inst *TransferWithSeed) GetFundingAccount() *ag_solanago.AccountMeta {
return inst.AccountMetaSlice[0]
}
// Base for funding account
func (inst *TransferWithSeed) SetBaseForFundingAccount(baseForFundingAccount ag_solanago.PublicKey) *TransferWithSeed {
inst.AccountMetaSlice[1] = ag_solanago.Meta(baseForFundingAccount).SIGNER()
return inst
}
func (inst *TransferWithSeed) GetBaseForFundingAccount() *ag_solanago.AccountMeta {
return inst.AccountMetaSlice[1]
}
// Recipient account
func (inst *TransferWithSeed) SetRecipientAccount(recipientAccount ag_solanago.PublicKey) *TransferWithSeed {
inst.AccountMetaSlice[2] = ag_solanago.Meta(recipientAccount).WRITE()
return inst
}
func (inst *TransferWithSeed) GetRecipientAccount() *ag_solanago.AccountMeta {
return inst.AccountMetaSlice[2]
}
func (inst TransferWithSeed) Build() *Instruction {
return &Instruction{BaseVariant: ag_binary.BaseVariant{
Impl: inst,
TypeID: ag_binary.TypeIDFromUint32(Instruction_TransferWithSeed, binary.LittleEndian),
}}
}
// 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 (inst TransferWithSeed) ValidateAndBuild() (*Instruction, error) {
if err := inst.Validate(); err != nil {
return nil, err
}
return inst.Build(), nil
}
func (inst *TransferWithSeed) Validate() error {
// Check whether all (required) parameters are set:
{
if inst.Lamports == nil {
return errors.New("Lamports parameter is not set")
}
if inst.FromSeed == nil {
return errors.New("FromSeed parameter is not set")
}
if inst.FromOwner == nil {
return errors.New("FromOwner parameter is not set")
}
}
// Check whether all accounts are set:
for accIndex, acc := range inst.AccountMetaSlice {
if acc == nil {
return fmt.Errorf("ins.AccountMetaSlice[%v] is not set", accIndex)
}
}
return nil
}
func (inst *TransferWithSeed) EncodeToTree(parent ag_treeout.Branches) {
parent.Child(ag_format.Program(ProgramName, ProgramID)).
//
ParentFunc(func(programBranch ag_treeout.Branches) {
programBranch.Child(ag_format.Instruction("TransferWithSeed")).
//
ParentFunc(func(instructionBranch ag_treeout.Branches) {
// Parameters of the instruction:
instructionBranch.Child("Params").ParentFunc(func(paramsBranch ag_treeout.Branches) {
paramsBranch.Child(ag_format.Param(" Lamports", *inst.Lamports))
paramsBranch.Child(ag_format.Param(" FromSeed", *inst.FromSeed))
paramsBranch.Child(ag_format.Param("FromOwner", *inst.FromOwner))
})
// Accounts of the instruction:
instructionBranch.Child("Accounts").ParentFunc(func(accountsBranch ag_treeout.Branches) {
accountsBranch.Child(ag_format.Meta(" Funding", inst.AccountMetaSlice[0]))
accountsBranch.Child(ag_format.Meta("BaseForFunding", inst.AccountMetaSlice[1]))
accountsBranch.Child(ag_format.Meta(" Recipient", inst.AccountMetaSlice[2]))
})
})
})
}
func (inst TransferWithSeed) MarshalWithEncoder(encoder *ag_binary.Encoder) error {
// Serialize `Lamports` param:
{
err := encoder.Encode(*inst.Lamports)
if err != nil {
return err
}
}
// Serialize `FromSeed` param:
{
err := encoder.WriteRustString(*inst.FromSeed)
if err != nil {
return err
}
}
// Serialize `FromOwner` param:
{
err := encoder.Encode(*inst.FromOwner)
if err != nil {
return err
}
}
return nil
}
func (inst *TransferWithSeed) UnmarshalWithDecoder(decoder *ag_binary.Decoder) error {
// Deserialize `Lamports` param:
{
err := decoder.Decode(&inst.Lamports)
if err != nil {
return err
}
}
// Deserialize `FromSeed` param:
{
value, err := decoder.ReadRustString()
if err != nil {
return err
}
inst.FromSeed = &value
}
// Deserialize `FromOwner` param:
{
err := decoder.Decode(&inst.FromOwner)
if err != nil {
return err
}
}
return nil
}
// NewTransferWithSeedInstruction declares a new TransferWithSeed instruction with the provided parameters and accounts.
func NewTransferWithSeedInstruction(
// Parameters:
lamports uint64,
from_seed string,
from_owner ag_solanago.PublicKey,
// Accounts:
fundingAccount ag_solanago.PublicKey,
baseForFundingAccount ag_solanago.PublicKey,
recipientAccount ag_solanago.PublicKey) *TransferWithSeed {
return NewTransferWithSeedInstructionBuilder().
SetLamports(lamports).
SetFromSeed(from_seed).
SetFromOwner(from_owner).
SetFundingAccount(fundingAccount).
SetBaseForFundingAccount(baseForFundingAccount).
SetRecipientAccount(recipientAccount)
}