PropAMM SDK

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approve ​

Approve the router to pull an amount of an ERC-20 token from the signer. Required before any swap with ERC-20 input.

python
async def approve(self, token: str, amount: int) -> str

Usage ​

python
from propamm.common.helpers import parse_units
from propamm.common.tokens import USDC

tx_hash = await router.approve(USDC, parse_units("100", 6))
await client.wait_for_transaction(tx_hash)

Returns ​

str

The approval transaction hash.

Parameters ​

token ​

  • Type: str

The ERC-20 token to approve.

amount ​

  • Type: int

Allowance to grant the router, in atomic units.