multicall.py's Introduction

Multicall

fork from https://github.com/jsvisa/multicall.py, update eth_abi version > 4.0 for web3.py 6.0+.

Install

pip install git+https://github.com/ackness/multicall.py.git#egg=multicall

Example

from decimal import Decimal
from multicall import Multicall, Call

mc = Multicall("https://mainnet.infura.io/v3/xyz")

result = mc.agg(
    [
        Call(
            target="0xdac17f958d2ee523a2206206994597c13d831ec7",
            function="balanceOf(address)(uint256)",
            args=("0xa929022c9107643515f5c777ce9a910f0d1e490c",),
        ),
        Call(
            target="0xdac17f958d2ee523a2206206994597c13d831ec7",
            function="balanceOf(address)(uint256)",
            args=("0x47ac0fb4f2d84898e4d9e7b4dab3c24507a6d503",),
            request_id="0x47ac0fb4f2d84898e4d9e7b4dab3c24507a6d503",
        ),
        Call(
            "0x35d1b3f3d7966a1dfe207aa4514c12a259a0492b",
            "ilks(bytes32)((uint256,uint256,uint256,uint256,uint256))",
            args=[b"ETH-A"],
            request_id="ETH-A",
        ),
    ]
)

print(result)

response as below:

[
    {'request_id': '5a7bd54c680592746135b37a6476eb6c', 'result': 49611180000000}, 
    {'request_id': '0x47ac0fb4f2d84898e4d9e7b4dab3c24507a6d503', 'result': 1250000115495224}, 
    {'request_id': 'ETH-A', 'result': (214915598502713845833006398, 1088006050754165121001226010, 1286165517241379310344827586206, 421276896854854321737657177053164827916909327485707736, 7500000000000000000000000000000000000000000000000)}
]

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