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spl-token: Add token_program_id parameter to associated token endpoints #456

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merged 2 commits into from
Oct 16, 2024
Merged

spl-token: Add token_program_id parameter to associated token endpoints #456

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2b3186d
Add token_program_id parameter to get_associated_token_address and cr…
akashcodes Oct 15, 2024
d5e0730
Fix formatting
akashcodes Oct 15, 2024
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37 changes: 31 additions & 6 deletions src/spl/token/instructions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@

from solana.utils.validate import validate_instruction_keys, validate_instruction_type
from spl.token._layouts import INSTRUCTIONS_LAYOUT, InstructionType
from spl.token.constants import ASSOCIATED_TOKEN_PROGRAM_ID, TOKEN_PROGRAM_ID
from spl.token.constants import ASSOCIATED_TOKEN_PROGRAM_ID, TOKEN_PROGRAM_ID, TOKEN_2022_PROGRAM_ID


class AuthorityType(IntEnum):
Expand Down Expand Up @@ -1211,34 +1211,59 @@ def sync_native(params: SyncNativeParams) -> Instruction:
return __sync_native_instruction(params, data)


def get_associated_token_address(owner: Pubkey, mint: Pubkey) -> Pubkey:
def get_associated_token_address(owner: Pubkey, mint: Pubkey, token_program_id: Pubkey = TOKEN_PROGRAM_ID) -> Pubkey:
"""Derives the associated token address for the given wallet address and token mint.

Args:
owner (Pubkey): Owner's wallet address.
mint (Pubkey): The token mint address.
token_program_id (Pubkey, optional): The token program ID. Must be either `spl.token.constants.TOKEN_PROGRAM_ID`
or `spl.token.constants.TOKEN_2022_PROGRAM_ID` (default is `TOKEN_PROGRAM_ID`).

Returns:
The public key of the derived associated token address.

Raises:
ValueError: If an invalid `token_program_id` is provided.
"""
if token_program_id not in [TOKEN_PROGRAM_ID, TOKEN_2022_PROGRAM_ID]:
raise ValueError("token_program_id must be one of TOKEN_PROGRAM_ID or TOKEN_2022_PROGRAM_ID.")
key, _ = Pubkey.find_program_address(
seeds=[bytes(owner), bytes(TOKEN_PROGRAM_ID), bytes(mint)],
seeds=[bytes(owner), bytes(token_program_id), bytes(mint)],
program_id=ASSOCIATED_TOKEN_PROGRAM_ID,
)
return key


def create_associated_token_account(payer: Pubkey, owner: Pubkey, mint: Pubkey) -> Instruction:
def create_associated_token_account(
payer: Pubkey, owner: Pubkey, mint: Pubkey, token_program_id: Pubkey = TOKEN_PROGRAM_ID
) -> Instruction:
"""Creates a transaction instruction to create an associated token account.

Args:
payer (Pubkey): Payer's wallet address.
owner (Pubkey): Owner's wallet address.
mint (Pubkey): The token mint address.
token_program_id (Pubkey, optional): The token program ID. Must be either `spl.token.constants.TOKEN_PROGRAM_ID`
or `spl.token.constants.TOKEN_2022_PROGRAM_ID` (default is `TOKEN_PROGRAM_ID`).

Returns:
The instruction to create the associated token account.

Raises:
ValueError: If an invalid `token_program_id` is provided.
"""
associated_token_address = get_associated_token_address(owner, mint)
if token_program_id not in [TOKEN_PROGRAM_ID, TOKEN_2022_PROGRAM_ID]:
raise ValueError("token_program_id must be one of TOKEN_PROGRAM_ID or TOKEN_2022_PROGRAM_ID.")
associated_token_address = get_associated_token_address(owner, mint, token_program_id)
return Instruction(
accounts=[
AccountMeta(pubkey=payer, is_signer=True, is_writable=True),
AccountMeta(pubkey=associated_token_address, is_signer=False, is_writable=True),
AccountMeta(pubkey=owner, is_signer=False, is_writable=False),
AccountMeta(pubkey=mint, is_signer=False, is_writable=False),
AccountMeta(pubkey=SYS_PROGRAM_ID, is_signer=False, is_writable=False),
AccountMeta(pubkey=TOKEN_PROGRAM_ID, is_signer=False, is_writable=False),
AccountMeta(pubkey=token_program_id, is_signer=False, is_writable=False),
AccountMeta(pubkey=RENT, is_signer=False, is_writable=False),
],
program_id=ASSOCIATED_TOKEN_PROGRAM_ID,
Expand Down