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Просмотр файла: instructions.mjs
import { struct, u8, u16 } from '@solana/buffer-layout';
import { publicKey, u64 } from '@solana/buffer-layout-utils';
import { PublicKey, TransactionInstruction } from '@solana/web3.js';
import { TokenUnsupportedInstructionError, TokenInvalidInstructionDataError, TokenInvalidInstructionKeysError, TokenInvalidInstructionProgramError, TokenInvalidInstructionTypeError, } from './../../errors.mjs';
import { TokenInstruction } from './../../instructions/types.mjs';
import { programSupportsExtensions, TOKEN_2022_PROGRAM_ID } from './../../constants.mjs';
export var TransferFeeInstruction;
(function (TransferFeeInstruction) {
TransferFeeInstruction[TransferFeeInstruction["InitializeTransferFeeConfig"] = 0] = "InitializeTransferFeeConfig";
TransferFeeInstruction[TransferFeeInstruction["TransferCheckedWithFee"] = 1] = "TransferCheckedWithFee";
TransferFeeInstruction[TransferFeeInstruction["WithdrawWithheldTokensFromMint"] = 2] = "WithdrawWithheldTokensFromMint";
TransferFeeInstruction[TransferFeeInstruction["WithdrawWithheldTokensFromAccounts"] = 3] = "WithdrawWithheldTokensFromAccounts";
TransferFeeInstruction[TransferFeeInstruction["HarvestWithheldTokensToMint"] = 4] = "HarvestWithheldTokensToMint";
TransferFeeInstruction[TransferFeeInstruction["SetTransferFee"] = 5] = "SetTransferFee";
})(TransferFeeInstruction || (TransferFeeInstruction = {}));
/** TODO: docs */
export const initializeTransferFeeConfigInstructionData = struct([
u8('instruction'),
u8('transferFeeInstruction'),
u8('transferFeeConfigAuthorityOption'),
publicKey('transferFeeConfigAuthority'),
u8('withdrawWithheldAuthorityOption'),
publicKey('withdrawWithheldAuthority'),
u16('transferFeeBasisPoints'),
u64('maximumFee'),
]);
/**
* Construct an InitializeTransferFeeConfig instruction
*
* @param mint Token mint account
* @param transferFeeConfigAuthority Optional authority that can update the fees
* @param withdrawWithheldAuthority Optional authority that can withdraw fees
* @param transferFeeBasisPoints Amount of transfer collected as fees, expressed as basis points of the transfer amount
* @param maximumFee Maximum fee assessed on transfers
* @param programId SPL Token program account
*
* @return Instruction to add to a transaction
*/
export function createInitializeTransferFeeConfigInstruction(mint, transferFeeConfigAuthority, withdrawWithheldAuthority, transferFeeBasisPoints, maximumFee, programId = TOKEN_2022_PROGRAM_ID) {
if (!programSupportsExtensions(programId)) {
throw new TokenUnsupportedInstructionError();
}
const keys = [{ pubkey: mint, isSigner: false, isWritable: true }];
const data = Buffer.alloc(initializeTransferFeeConfigInstructionData.span);
initializeTransferFeeConfigInstructionData.encode({
instruction: TokenInstruction.TransferFeeExtension,
transferFeeInstruction: TransferFeeInstruction.InitializeTransferFeeConfig,
transferFeeConfigAuthorityOption: transferFeeConfigAuthority ? 1 : 0,
transferFeeConfigAuthority: transferFeeConfigAuthority || new PublicKey(0),
withdrawWithheldAuthorityOption: withdrawWithheldAuthority ? 1 : 0,
withdrawWithheldAuthority: withdrawWithheldAuthority || new PublicKey(0),
transferFeeBasisPoints: transferFeeBasisPoints,
maximumFee: maximumFee,
}, data);
return new TransactionInstruction({ keys, programId, data });
}
/**
* Decode an InitializeTransferFeeConfig instruction and validate it
*
* @param instruction Transaction instruction to decode
* @param programId SPL Token program account
*
* @return Decoded, valid instruction
*/
export function decodeInitializeTransferFeeConfigInstruction(instruction, programId) {
if (!instruction.programId.equals(programId))
throw new TokenInvalidInstructionProgramError();
if (instruction.data.length !== initializeTransferFeeConfigInstructionData.span)
throw new TokenInvalidInstructionDataError();
const { keys: { mint }, data, } = decodeInitializeTransferFeeConfigInstructionUnchecked(instruction);
if (data.instruction !== TokenInstruction.TransferFeeExtension ||
data.transferFeeInstruction !== TransferFeeInstruction.InitializeTransferFeeConfig)
throw new TokenInvalidInstructionTypeError();
if (!mint)
throw new TokenInvalidInstructionKeysError();
return {
programId,
keys: {
mint,
},
data,
};
}
/**
* Decode an InitializeTransferFeeConfig instruction without validating it
*
* @param instruction Transaction instruction to decode
*
* @return Decoded, non-validated instruction
*/
export function decodeInitializeTransferFeeConfigInstructionUnchecked({ programId, keys: [mint], data, }) {
const { instruction, transferFeeInstruction, transferFeeConfigAuthorityOption, transferFeeConfigAuthority, withdrawWithheldAuthorityOption, withdrawWithheldAuthority, transferFeeBasisPoints, maximumFee, } = initializeTransferFeeConfigInstructionData.decode(data);
return {
programId,
keys: {
mint,
},
data: {
instruction,
transferFeeInstruction,
transferFeeConfigAuthority: transferFeeConfigAuthorityOption ? transferFeeConfigAuthority : null,
withdrawWithheldAuthority: withdrawWithheldAuthorityOption ? withdrawWithheldAuthority : null,
transferFeeBasisPoints,
maximumFee,
},
};
}
export const transferCheckedWithFeeInstructionData = struct([
u8('instruction'),
u8('transferFeeInstruction'),
u64('amount'),
u8('decimals'),
u64('fee'),
]);
/**
* Construct an TransferCheckedWithFee instruction
*
* @param source The source account
* @param mint The token mint
* @param destination The destination account
* @param authority The source account's owner/delegate
* @param signers The signer account(s)
* @param amount The amount of tokens to transfer
* @param decimals The expected number of base 10 digits to the right of the decimal place
* @param fee The expected fee assesed on this transfer, calculated off-chain based on the transferFeeBasisPoints and maximumFee of the mint.
* @param programId SPL Token program account
*
* @return Instruction to add to a transaction
*/
export function createTransferCheckedWithFeeInstruction(source, mint, destination, authority, amount, decimals, fee, multiSigners = [], programId = TOKEN_2022_PROGRAM_ID) {
if (!programSupportsExtensions(programId)) {
throw new TokenUnsupportedInstructionError();
}
const data = Buffer.alloc(transferCheckedWithFeeInstructionData.span);
transferCheckedWithFeeInstructionData.encode({
instruction: TokenInstruction.TransferFeeExtension,
transferFeeInstruction: TransferFeeInstruction.TransferCheckedWithFee,
amount,
decimals,
fee,
}, data);
const keys = [];
keys.push({ pubkey: source, isSigner: false, isWritable: true });
keys.push({ pubkey: mint, isSigner: false, isWritable: false });
keys.push({ pubkey: destination, isSigner: false, isWritable: true });
keys.push({ pubkey: authority, isSigner: !multiSigners.length, isWritable: false });
for (const signer of multiSigners) {
keys.push({ pubkey: signer.publicKey, isSigner: true, isWritable: false });
}
return new TransactionInstruction({ keys, programId, data });
}
/**
* Decode a TransferCheckedWithFee instruction and validate it
*
* @param instruction Transaction instruction to decode
* @param programId SPL Token program account
*
* @return Decoded, valid instruction
*/
export function decodeTransferCheckedWithFeeInstruction(instruction, programId) {
if (!instruction.programId.equals(programId))
throw new TokenInvalidInstructionProgramError();
if (instruction.data.length !== transferCheckedWithFeeInstructionData.span)
throw new TokenInvalidInstructionDataError();
const { keys: { source, mint, destination, authority, signers }, data, } = decodeTransferCheckedWithFeeInstructionUnchecked(instruction);
if (data.instruction !== TokenInstruction.TransferFeeExtension ||
data.transferFeeInstruction !== TransferFeeInstruction.TransferCheckedWithFee)
throw new TokenInvalidInstructionTypeError();
if (!mint)
throw new TokenInvalidInstructionKeysError();
return {
programId,
keys: {
source,
mint,
destination,
authority,
signers: signers ? signers : null,
},
data,
};
}
/**
* Decode a TransferCheckedWithFees instruction without validating it
*
* @param instruction Transaction instruction to decode
*
* @return Decoded, non-validated instruction
*/
export function decodeTransferCheckedWithFeeInstructionUnchecked({ programId, keys: [source, mint, destination, authority, ...signers], data, }) {
const { instruction, transferFeeInstruction, amount, decimals, fee } = transferCheckedWithFeeInstructionData.decode(data);
return {
programId,
keys: {
source,
mint,
destination,
authority,
signers,
},
data: {
instruction,
transferFeeInstruction,
amount,
decimals,
fee,
},
};
}
export const withdrawWithheldTokensFromMintInstructionData = struct([
u8('instruction'),
u8('transferFeeInstruction'),
]);
/**
* Construct a WithdrawWithheldTokensFromMint instruction
*
* @param mint The token mint
* @param destination The destination account
* @param authority The source account's owner/delegate
* @param signers The signer account(s)
* @param programID SPL Token program account
*
* @return Instruction to add to a transaction
*/
export function createWithdrawWithheldTokensFromMintInstruction(mint, destination, authority, signers = [], programId = TOKEN_2022_PROGRAM_ID) {
if (!programSupportsExtensions(programId)) {
throw new TokenUnsupportedInstructionError();
}
const data = Buffer.alloc(withdrawWithheldTokensFromMintInstructionData.span);
withdrawWithheldTokensFromMintInstructionData.encode({
instruction: TokenInstruction.TransferFeeExtension,
transferFeeInstruction: TransferFeeInstruction.WithdrawWithheldTokensFromMint,
}, data);
const keys = [];
keys.push({ pubkey: mint, isSigner: false, isWritable: true }, { pubkey: destination, isSigner: false, isWritable: true }, { pubkey: authority, isSigner: !signers.length, isWritable: false });
for (const signer of signers) {
keys.push({ pubkey: signer.publicKey, isSigner: true, isWritable: false });
}
return new TransactionInstruction({ keys, programId, data });
}
/**
* Decode a WithdrawWithheldTokensFromMint instruction and validate it
*
* @param instruction Transaction instruction to decode
* @param programId SPL Token program account
*
* @return Decoded, valid instruction
*/
export function decodeWithdrawWithheldTokensFromMintInstruction(instruction, programId) {
if (!instruction.programId.equals(programId))
throw new TokenInvalidInstructionProgramError();
if (instruction.data.length !== withdrawWithheldTokensFromMintInstructionData.span)
throw new TokenInvalidInstructionDataError();
const { keys: { mint, destination, authority, signers }, data, } = decodeWithdrawWithheldTokensFromMintInstructionUnchecked(instruction);
if (data.instruction !== TokenInstruction.TransferFeeExtension ||
data.transferFeeInstruction !== TransferFeeInstruction.WithdrawWithheldTokensFromMint)
throw new TokenInvalidInstructionTypeError();
if (!mint)
throw new TokenInvalidInstructionKeysError();
return {
programId,
keys: {
mint,
destination,
authority,
signers: signers ? signers : null,
},
data,
};
}
/**
* Decode a WithdrawWithheldTokensFromMint instruction without validating it
*
* @param instruction Transaction instruction to decode
*
* @return Decoded, non-validated instruction
*/
export function decodeWithdrawWithheldTokensFromMintInstructionUnchecked({ programId, keys: [mint, destination, authority, ...signers], data, }) {
const { instruction, transferFeeInstruction } = withdrawWithheldTokensFromMintInstructionData.decode(data);
return {
programId,
keys: {
mint,
destination,
authority,
signers,
},
data: {
instruction,
transferFeeInstruction,
},
};
}
export const withdrawWithheldTokensFromAccountsInstructionData = struct([
u8('instruction'),
u8('transferFeeInstruction'),
u8('numTokenAccounts'),
]);
/**
* Construct a WithdrawWithheldTokensFromAccounts instruction
*
* @param mint The token mint
* @param destination The destination account
* @param authority The source account's owner/delegate
* @param signers The signer account(s)
* @param sources The source accounts to withdraw from
* @param programID SPL Token program account
*
* @return Instruction to add to a transaction
*/
export function createWithdrawWithheldTokensFromAccountsInstruction(mint, destination, authority, signers, sources, programId = TOKEN_2022_PROGRAM_ID) {
if (!programSupportsExtensions(programId)) {
throw new TokenUnsupportedInstructionError();
}
const data = Buffer.alloc(withdrawWithheldTokensFromAccountsInstructionData.span);
withdrawWithheldTokensFromAccountsInstructionData.encode({
instruction: TokenInstruction.TransferFeeExtension,
transferFeeInstruction: TransferFeeInstruction.WithdrawWithheldTokensFromAccounts,
numTokenAccounts: sources.length,
}, data);
const keys = [];
keys.push({ pubkey: mint, isSigner: false, isWritable: true }, { pubkey: destination, isSigner: false, isWritable: true }, { pubkey: authority, isSigner: !signers.length, isWritable: false });
for (const signer of signers) {
keys.push({ pubkey: signer.publicKey, isSigner: true, isWritable: false });
}
for (const source of sources) {
keys.push({ pubkey: source, isSigner: false, isWritable: true });
}
return new TransactionInstruction({ keys, programId, data });
}
/**
* Decode a WithdrawWithheldTokensFromAccounts instruction and validate it
*
* @param instruction Transaction instruction to decode
* @param programId SPL Token program account
*
* @return Decoded, valid instruction
*/
export function decodeWithdrawWithheldTokensFromAccountsInstruction(instruction, programId) {
if (!instruction.programId.equals(programId))
throw new TokenInvalidInstructionProgramError();
if (instruction.data.length !== withdrawWithheldTokensFromAccountsInstructionData.span)
throw new TokenInvalidInstructionDataError();
const { keys: { mint, destination, authority, signers, sources }, data, } = decodeWithdrawWithheldTokensFromAccountsInstructionUnchecked(instruction);
if (data.instruction !== TokenInstruction.TransferFeeExtension ||
data.transferFeeInstruction !== TransferFeeInstruction.WithdrawWithheldTokensFromAccounts)
throw new TokenInvalidInstructionTypeError();
if (!mint)
throw new TokenInvalidInstructionKeysError();
return {
programId,
keys: {
mint,
destination,
authority,
signers: signers ? signers : null,
sources: sources ? sources : null,
},
data,
};
}
/**
* Decode a WithdrawWithheldTokensFromAccount instruction without validating it
*
* @param instruction Transaction instruction to decode
*
* @return Decoded, non-validated instruction
*/
export function decodeWithdrawWithheldTokensFromAccountsInstructionUnchecked({ programId, keys, data, }) {
const { instruction, transferFeeInstruction, numTokenAccounts } = withdrawWithheldTokensFromAccountsInstructionData.decode(data);
const [mint, destination, authority, signers, sources] = [
keys[0],
keys[1],
keys[2],
keys.slice(3, 3 + numTokenAccounts),
keys.slice(-1 * numTokenAccounts),
];
return {
programId,
keys: {
mint,
destination,
authority,
signers,
sources,
},
data: {
instruction,
transferFeeInstruction,
numTokenAccounts,
},
};
}
export const harvestWithheldTokensToMintInstructionData = struct([
u8('instruction'),
u8('transferFeeInstruction'),
]);
/**
* Construct a HarvestWithheldTokensToMint instruction
*
* @param mint The token mint
* @param sources The source accounts to withdraw from
* @param programID SPL Token program account
*
* @return Instruction to add to a transaction
*/
export function createHarvestWithheldTokensToMintInstruction(mint, sources, programId = TOKEN_2022_PROGRAM_ID) {
if (!programSupportsExtensions(programId)) {
throw new TokenUnsupportedInstructionError();
}
const data = Buffer.alloc(harvestWithheldTokensToMintInstructionData.span);
harvestWithheldTokensToMintInstructionData.encode({
instruction: TokenInstruction.TransferFeeExtension,
transferFeeInstruction: TransferFeeInstruction.HarvestWithheldTokensToMint,
}, data);
const keys = [];
keys.push({ pubkey: mint, isSigner: false, isWritable: true });
for (const source of sources) {
keys.push({ pubkey: source, isSigner: false, isWritable: true });
}
return new TransactionInstruction({ keys, programId, data });
}
/**
* Decode a HarvestWithheldTokensToMint instruction and validate it
*
* @param instruction Transaction instruction to decode
* @param programId SPL Token program account
*
* @return Decoded, valid instruction
*/
export function decodeHarvestWithheldTokensToMintInstruction(instruction, programId) {
if (!instruction.programId.equals(programId))
throw new TokenInvalidInstructionProgramError();
if (instruction.data.length !== harvestWithheldTokensToMintInstructionData.span)
throw new TokenInvalidInstructionDataError();
const { keys: { mint, sources }, data, } = decodeHarvestWithheldTokensToMintInstructionUnchecked(instruction);
if (data.instruction !== TokenInstruction.TransferFeeExtension ||
data.transferFeeInstruction !== TransferFeeInstruction.HarvestWithheldTokensToMint)
throw new TokenInvalidInstructionTypeError();
if (!mint)
throw new TokenInvalidInstructionKeysError();
return {
programId,
keys: {
mint,
sources,
},
data,
};
}
/**
* Decode a HarvestWithheldTokensToMint instruction without validating it
*
* @param instruction Transaction instruction to decode
*
* @return Decoded, non-validated instruction
*/
export function decodeHarvestWithheldTokensToMintInstructionUnchecked({ programId, keys: [mint, ...sources], data, }) {
const { instruction, transferFeeInstruction } = harvestWithheldTokensToMintInstructionData.decode(data);
return {
programId,
keys: {
mint,
sources,
},
data: {
instruction,
transferFeeInstruction,
},
};
}
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