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‎README.md

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# w3py
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- Various scripts, and examples written for users while working as Sushi support.
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- - No promises on versioning, everything should be good but the web3 library has received some updates in the past couple of years that these can be from.
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The previous repository structure can be found <a href="https://github.com/0xMaka/w3py/tree/archive">here</a>
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Will add as found, where appropriate, and can hopefully be of an assist to some.
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1 love
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---
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<img src="misc/makas_py_on_chain.png">
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> **NOTE** The repo root directory is getting very crowded but I don't want to make a sweeping change that might have any negative effect, so will be creating a new branch that should be better organised, and at will at the same time make an effort to update code broken by changes to the web3 library.
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If appears a much better structure without much downside can look to keep an archive and make the switch.
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Always love to see examples be of use, and often happy to take requests if you might be struggling with something.
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---
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Hi! Originally this repo started as a bunch of _scripts and examples,_ written for users while handling support queries as a contributor at Sushiswap. However the repository had grown to encompass many more protocols and areas of defi, as well as outgrowing its initial lack of structure.
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To make it easier to find things that might be useful, as well to know which related scripts are worth skimming through. I have attempted to better organise into folders, adding an index with short descriptions.
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Always love to hear which examples can been useful, and am often happy to take requests if you might be struggling with something.
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Can find me in the ethereum python discord with any questions.
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All the best on your journey. - Maka
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- [Ethereum Python Community](https://discord.gg/J8XFujprRA)
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---
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| folder | script | description |
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|---------------------------------|--------------------------------------------------------------------------------|--------------------------------------------------------------|
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| > [ aave ]( aave/ ) | | **Aave lending protocol** |
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| | [ v3_supply_and_withdraw.py ]( aave/v3_supply_and_withdraw.py ) | Approve, supply and withdraw from a v3 aave pool. |
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| > [ beraswap ]( beraswap/ ) | | **Berachain DEX** |
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| | [ bera_swap.py ]( beraswap/bera_swap.py ) | Swap using `batchSwap` with their `ERC20_DEX`. |
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| > [ flashbots ]( flashbots/ ) | | Call structures and direct calls to flashbots endpoints. |
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| | [ eth_send_bundle.py ]( flashbots/eth_send_bundle.py ) | Building and sending a classic bundle. |
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| | [ eth_send_private.py ]( flashbots/eth_send_private.py ) | Using Flashbots endpoint to send a private transaction. |
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| | [ mev_send_bundle.py ]( flashbots/mev_send_bundle.py ) | Building and sending a classic bundle. |
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| > [ general ]( general ) | | **Overrides, bloom filters, log topics and wider EVM** |
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| | [ bloom_filter.py ]( general/bloom_filter.py ) | filtering the `logsBloom` for more efficient searches. |
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| | [ multi2.py ]( general/multi2.py ) | Using a popular mulicall contract, to batch static requests. |
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| | [ swap_topic.py ]( general/swap_topic.py ) | How to encode and pull a `Event` topic. |
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| | [ transfer_override.py ]( general/transfer_override.py ) | Overiding an accounts ERC20 balance, prior to an `eth_call`. |
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| > [ raw_calls ]( raw_calls/ ) | [ ]( ) | **Contract calls sending raw calldata** |
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| | [ raw_approval.py ]( raw_calls/raw_approval.py ) | Send a token approval using pre prepared calldata. |
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| | [ raw_deploy.py ]( raw_calls/raw_deploy.py ) | Deploy a contract using pre prepared calldata. |
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| | [ raw_deposit.py ]( raw_calls/raw_deposit.py ) | Deposit ETH to receive WETH using pre prepared calldata. |
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| | [ raw_transfer.py ]( raw_calls/raw_transfer.py ) | Make an ERC20 transfer using pre prepared calldata. |
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| > [ scrap_bots ]( scrap_bots/) | | **Basic bot flow** |
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| | [ skym_bot/ ]( scrap_bots/skym_bot/ ) | Monitor a v2 pair for imbalance, skim with contract if so. |
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| | [ flash_bot.py ]( scrap_bots/flash_bot.py ) | A basic flashbot script, using flashbots py library. |
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| | [ voly.py ]( scrap_bots/voly.py ) | Polls a v2 pair for price, buys or sells, tracks if holding. |
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| > [ signing ]( signing/ ) | | **Offchain signing, permits, EIP712** |
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| | [ pysign.py ]( signing/pysign.py ) | Deprectated signing pattern. |
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| | [ setMasterContractApproval.py ]( signing/setMasterContractApproval.py ) | Building and signing an EIP712 digest. |
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| > [ sushiswap ]( sushiswap/ ) | | **Sushi specific** |
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| | [ exact_input.py ]( sushiswap/exact_input.py ) | Trident single hop swap. |
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| | [ get_kava_farms.py ]( sushiswap/get_kava_farms.py ) | Get a list of all farms from a chef. |
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| | [ get_rewards.py ]( sushiswap/get_rewards.py ) | Calculating rewards from a Minichef. |
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| | [ graph_call.py ]( sushiswap/graph_call.py ) | Outdated: Exchange subgraph call (Pre needing a key). |
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| | [ route_processor.md ]( sushiswap/route_processor.md ) | Notes Sushi's router processor. |
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| | [ route_processor.py ]( sushiswap/route_processor.py ) | Single hop swap using Sushi route processor. |
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| | [ route_processor_multi.py ]( sushiswap/route_processor_multi.py ) | Multi hop swap using Sushi route processor. |
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| | [ swap_volume_since_midnight.py ]( sushiswap/swap_volume_since_midnight.py ) | Outdated: Use a subgraph to get volume day data. |
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| | [ trident_help_sheet.md ]( sushiswap/trident_help_sheet.md ) | Notes on Sushi Trident. |
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| | [ trident_multicall.py ]( sushiswap/trident_multicall.py ) | Trident multi hop swap. |
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| | [ xSwap.py ]( sushiswap/xSwap.py ) | Extensive cross chain swap, encoding, off chain signing etc. |
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| > [ syncswap ]( syncswap/ ) | | **How to swap on Syncwap DEX.** |
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| | [ sync_swap.py ]( syncswap/sync_swap.py ) | Basic syncswap router interaction. |
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| | [ sync_swap_with_permit.py ]( syncswap/sync_swap_with_permit.py ) | Basic syncswap router interaction using a permit. |
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| > [ uniswapv2 ]( uniswapv2/ ) | | **Examples for Uniswap v2 and clones** |
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| | [ mempool_filter.py ]( uniswapv2/mempool_filter.py ) | IPC filter the tx pool for swaps and decode them. |
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| | [ scale4whale.py ]( uniswapv2/scale4whale.py ) | Get an amount required to buy a tokens total supply. |
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| | [ v2path_encode.md ]( uniswapv2/v2path_encode.md ) | Step through of the ABI encoding. |
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| > [ uniswapv3 ]( uniswapv3/ ) | | **Examples for Uniswap v3 and clones** |
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| | [ v3exactOutput.py ]( uniswapv3/v3exactOutput.py ) | Uniswap v3 swap, multihop. |
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| | [ v3exactOutputSingle.py ]( uniswapv3/v3exactOutputSingle.py ) | Uniswap v3 swap, single hop. |
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| | [ v3quoter_iterations.py ]( uniswapv3/v3quoter_iterations.py ) | Uniswap v3 quoter discrepancies, example calls to each. |
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| > [ uni_router ]( uni_router/) | | **Uniswaps Universal router** |
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| | [ universal_router_swap.md ]( uni_router/universal_router_swap.md ) | Notes on Uniswaps Universal Router. |
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| | [ universal_router_swap.py ]( uni_router/universal_router_swap.py ) | Wrap and swap from Eth using Universal router.. |
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| | [ universal_swap_from_token.py ]( uni_router/universal_swap_from_token.py ) | Swap from token using Universal router (needs permit). |
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| > [ zk ]( zk/ ) | | **Anything ZK specific** |
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| | [ check_balance.py ]( zk/check_balance.py ) | Simple balance check, using the sdk. |
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| | [ transfer.py ]( zk/transfer.py ) | Simple eth transfer, using the sdk. |
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| <img width=145/> | | <img width=430/> |
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<!--
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<table class="fixed-align">
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<tbody>
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<tr>
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<th>
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🐍
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</th>
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</tr>
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<tr>
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<td valign="top", valign="center">
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```python
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# clone repo
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# ...
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# instructions for using search tag tool
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# ...
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```
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</td>
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</tr>
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<tr>
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<td>
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<img width=800/>
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</td>
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</tr>
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</table>

‎aave/v3_supply_and_withdraw.py

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‎bera_swap.py ‎beraswap/bera_swap.py

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RPC = 'https://artio.rpc.berachain.com'
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CHAIN_ID = 80085
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from web3 import Web3 as w, HTTPProvider as hp
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w3 = w(hp(RPC))
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from web3 import Web3 as w, HTTPProvider as hp ; w3 = w(hp(RPC))
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from os import getenv
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from dotenv import load_dotenv
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EOA = getenv('TRON')
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#----------------------
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ERC20_DEX = '0x0d5862FDbdd12490f9b4De54c236cff63B038074'
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NATIVE = '0x0000000000000000000000000000000000000000'
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USDC = '0x6581e59A1C8dA66eD0D313a0d4029DcE2F746Cc5'
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'nonce': w3.eth.get_transaction_count(EOA)
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})
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w3.eth.call(swap)
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w3.eth.call(swap) # should throw if there is an issue
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# helpers
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def sign_tx(tx, key):
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sig = w3.eth.account.sign_transaction
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signed_tx = sig(tx, private_key=key)
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return signed_tx
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return w3.eth.account.sign_transaction(tx, private_key=key)
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def send_tx(signed_tx):
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w3.eth.send_raw_transaction(signed_tx.rawTransaction)
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tx_hash = w3.to_hex(w3.keccak(signed_tx.rawTransaction))
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return tx_hash
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return w3.eth.send_raw_transaction(signed_tx.rawTransaction)
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def main():
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('[-] Attempting swap...')

‎exact_input.py

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‎bloom_filter.py ‎general/bloom_filter.py

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‎multi2.py ‎general/multi2.py

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‎swap_topic.py ‎general/swap_topic.py

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‎transfer_override.py ‎general/transfer_override.py

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‎con/net.py ‎misc/con/net.py

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‎misc/makas_py_on_chain.png

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‎migrations.py ‎misc/migrations.py

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