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Web3 Ethereum Defi documentation
Web3 Ethereum Defi documentation
  • API documentation
    • Core API
      • chain
        • POA_MIDDLEWARE_NEEDED_CHAIN_IDS
        • fetch_block_timestamp
        • get_graphql_url
        • has_graphql_support
        • install_api_call_counter_middleware
        • install_api_call_counter_middleware_on_provider
        • install_chain_middleware
        • install_retry_middleware
      • token
        • create_token
        • fetch_erc20_details
        • reset_default_token_cache
        • TokenDetails
        • TokenDetailError
      • balances
        • convert_balances_to_decimal
        • fetch_erc20_balances_by_token_list
        • fetch_erc20_balances_by_transfer_event
        • DecimalisedHolding
        • BalanceFetchFailed
      • abi
        • decode_function_args
        • encode_function_args
        • encode_function_call
        • encode_with_signature
        • get_abi_by_filename
        • get_contract
        • get_deployed_contract
        • get_linked_contract
        • get_transaction_data_field
        • humanise_decoded_arg_data
        • link_libraries_hardhat
      • deploy
        • deploy_contract
        • get_or_create_contract_registry
        • get_registered_contract
        • register_contract
        • ContractDeploymentFailed
      • event
        • fetch_all_events
      • gas
        • apply_gas
        • estimate_gas_fees
        • node_default_gas_price_strategy
        • GasPriceMethod
        • GasPriceSuggestion
      • confirmation
        • broadcast_and_wait_transactions_to_complete
        • broadcast_transactions
        • check_nonce_mismatch
        • wait_and_broadcast_multiple_nodes
        • wait_transactions_to_complete
        • BroadcastFailure
        • ConfirmationTimedOut
        • NonceMismatch
      • revert_reason
        • fetch_transaction_revert_reason
        • TransactionReverted
      • hotwallet
        • HotWallet
        • SignedTransactionWithNonce
      • middleware
        • DEFAULT_RETRYABLE_EXCEPTIONS
        • DEFAULT_RETRYABLE_HTTP_STATUS_CODES
        • DEFAULT_RETRYABLE_RPC_ERROR_CODES
        • DEFAULT_RETRYABLE_RPC_ERROR_MESSAGES
        • STATIC_CALL_LIST
        • construct_sign_and_send_raw_middleware_anvil
        • exception_retry_middleware
        • http_retry_request_with_sleep_middleware
        • is_retryable_http_exception
        • raise_on_revert_middleware
        • static_call_cache_middleware
        • ProbablyNodeHasNoBlock
      • tx
        • decode_signed_transaction
        • AssetDelta
        • DecodeFailure
      • trace
        • assert_call_success_with_explanation
        • assert_transaction_success_with_explanation
        • print_symbolic_trace
        • trace_evm_call
        • trace_evm_transaction
        • SymbolicTreeRepresentation
        • TraceMethod
        • TraceNotEnabled
        • TransactionAssertionError
      • eip_712
        • eip712_encode
        • eip712_encode_hash
        • eip712_signature
        • encode_data
        • encode_type
        • fast_keccak
        • find_type_dependencies
        • hash_struct
        • hash_type
      • utils
        • ZERO_ADDRESS_STR
        • find_free_port
        • get_url_domain
        • is_localhost_port_listening
        • sanitise_string
        • shutdown_hard
        • to_unix_timestamp
    • JSON-RPC provider API
      • provider.multi_provider
        • create_multi_provider_web3
        • MultiProviderWeb3
        • MultiProviderConfigurationError
      • provider.mev_blocker
        • TRANSACT_METHODS
        • MEVBlockerProvider
      • provider.fallback
        • get_fallback_provider
        • FallbackProvider
        • FallbackStrategy
      • provider.broken_provider
        • get_almost_latest_block_number
        • get_block_tip_latency
        • get_default_block_tip_latency
        • set_block_tip_latency
      • provider.ankr
        • is_ankr
      • provider.llamanodes
        • is_llama_bad_grapql_reply
      • provider.anvil
        • CLI_FLAGS
        • dump_state
        • fork_network_anvil
        • is_anvil
        • launch_anvil
        • load_state
        • make_anvil_custom_rpc_request
        • mine
        • revert
        • sleep
        • snapshot
        • unlock_account
        • AnvilLaunch
        • InvalidArgumentWarning
        • RPCRequestError
      • provider.ganache
        • EVM_DEFAULT
        • fork_network
        • GanacheLaunch
        • InvalidArgumentWarning
        • NoGanacheInstalled
      • provider.named
        • get_provider_name
        • BaseNamedProvider
    • USDC API
      • usdc.deployment
        • deploy_fiat_token
      • usdc.eip_3009
        • construct_eip_3009_authorization_message
        • make_eip_3009_transfer
        • EIP3009AuthorizationType
    • Uniswap v2 DEX API
      • uniswap_v2.deployment
        • INIT_CODE_HASH_MISSING
        • deploy_factory_sushi
        • deploy_trading_pair
        • deploy_uniswap_v2_like
        • fetch_deployment
        • mock_partial_deployment_for_analysis
        • UniswapV2Deployment
      • uniswap_v2.pair
        • fetch_pair_details
        • PairDetails
      • uniswap_v2.fees
        • estimate_buy_price
        • estimate_buy_price_decimals
        • estimate_buy_quantity
        • estimate_buy_received_amount_raw
        • estimate_sell_price
        • estimate_sell_price_decimals
        • estimate_sell_received_amount_raw
        • UniswapV2FeeCalculator
        • BadReserves
      • uniswap_v2.analysis
        • analyse_trade_by_hash
        • analyse_trade_by_receipt
      • uniswap_v2.utils
        • ZERO_ADDRESS
        • pair_for
        • sort_tokens
      • uniswap_v2.swap
        • swap_with_slippage_protection
      • uniswap_v2.liquidity
        • get_liquidity
        • LiquidityResult
        • UnmatchedToken
      • uniswap_v2.oracle
        • convert_sync_log_result_to_price_entry
        • update_live_price_feed
        • update_price_oracle_with_sync_events_single_thread
        • UniswapV2PriceOracleContext
      • uniswap_v2.token_tax
        • estimate_token_taxes
        • TokenTaxInfo
        • ApprovalFailure
        • OutOfGasDuringSell
        • OutOfGasDuringTransfer
        • SellFailed
        • SwapError
        • TransferFailure
        • TransferFromError
    • Uniswap v3 DEX API
      • uniswap_v3.deployment
        • add_liquidity
        • decrease_liquidity
        • deploy_pool
        • deploy_uniswap_v3
        • deploy_uniswap_v3_factory
        • fetch_deployment
        • increase_liquidity
        • mock_partial_deployment_for_analysis
        • UniswapV3Deployment
      • uniswap_v3.constants
      • uniswap_v3.utils
        • decode_path
        • encode_path
        • encode_sqrt_ratio_x96
        • get_default_tick_range
        • get_max_tick
        • get_min_tick
        • get_nearest_usable_tick
        • get_token0_amount_in_range
        • get_token1_amount_in_range
        • run_graphql_query
        • tick_to_price
        • tick_to_sqrt_price
      • uniswap_v3.liquidity
        • create_tick_csv
        • create_tick_delta_csv
        • estimate_liquidity_depth_at_block
        • get_pool_state_at_block
        • handle_burn_event
        • handle_mint_event
        • TickDelta
      • uniswap_v3.analysis
        • analyse_trade_by_receipt
        • get_input_args
      • uniswap_v3.events
        • decode_burn
        • decode_mint
        • decode_pool_created
        • decode_swap
        • fetch_events_to_csv
        • get_event_mapping
        • TokenCache
      • uniswap_v3.price
        • estimate_buy_received_amount
        • estimate_sell_received_amount
        • get_onchain_price
        • UniswapV3PriceHelper
      • uniswap_v3.pool
        • fetch_pool_details
        • get_raw_fee_from_pool_address
        • PoolDetails
      • uniswap_v3.swap
        • swap_with_slippage_protection
      • uniswap_v2.oracle
        • convert_sync_log_result_to_price_entry
        • update_live_price_feed
        • update_price_oracle_with_sync_events_single_thread
        • UniswapV2PriceOracleContext
    • Aave v3 API
      • aave_v3.balances
        • aave_v3_get_deposit_balance
        • aave_v3_get_stable_borrow_balance
        • aave_v3_get_variable_borrow_balance
      • aave_v3.constants
        • aave_v3_get_account_address
        • aave_v3_get_json_rpc_url
        • aave_v3_get_network_by_chain_id
        • aave_v3_get_token_name_by_deposit_address
        • AaveNetwork
        • AaveToken
        • AaveV3InterestRateMode
      • aave_v3.deployer
        • AAVE_DEPLOYER_REPO
        • HARDHAT_CONTRACTS
        • get_aave_hardhard_export
        • install_aave_for_testing
        • AaveDeployer
      • aave_v3.deployment
        • fetch_deployment
        • AaveV3Deployment
        • AaveV3ReserveConfiguration
        • AaveV3UserData
      • aave_v3.events
        • aave_v3_fetch_events_to_csv
        • decode_reserve_data_updated
        • get_event_mapping
        • TokenCache
      • aave_v3.loan
        • borrow
        • repay
        • supply
        • withdraw
      • aave_v3.rates
        • aave_v3_calculate_accrued_deposit_interest
        • aave_v3_calculate_accrued_interests
        • aave_v3_calculate_accrued_stable_borrow_interest
        • aave_v3_calculate_accrued_variable_borrow_interest
        • aave_v3_calculate_apr_apy_rates
        • aave_v3_calculate_mean
        • aave_v3_calculate_ohlc
        • aave_v3_filter_by_date_range
        • aave_v3_filter_by_token
        • AaveAccruedInterest
        • AaveAccruedInterests
      • aave_v3.reserve
        • fetch_aave_reserves_snapshot
        • fetch_reserve_data
        • fetch_reserves
        • get_helper_contracts
        • AggregatedReserveData
        • BaseCurrencyInfo
        • HelperContracts
        • JSONSerialisableReserveData
        • AaveContractsNotConfigured
    • 1delta API
      • one_delta.constants
        • Exchange
        • TradeOperation
        • TradeType
      • one_delta.deployment
        • fetch_deployment
        • OneDeltaDeployment
      • one_delta.position
        • approve
        • close_short_position
        • open_short_position
      • one_delta.utils
        • encode_path
    • Enzyme protocol API
      • enzyme.deployment
        • POLYGON_DEPLOYMENT
        • EnzymeContracts
        • EnzymeDeployment
        • RateAsset
        • EnzymeDeploymentError
      • enzyme.vault
        • Vault
      • enzyme.integration_manager
        • IntegrationManagerActionId
      • enzyme.events
        • fetch_vault_balance_events
        • fetch_vault_balances
        • Deposit
        • EnzymeBalanceEvent
        • LiveBalance
        • Redemption
      • enzyme.price_feed
        • fetch_price_feeds
        • fetch_updated_price_feed
        • EnzymePriceFeed
        • UnsupportedBaseAsset
      • enzyme.generic_adapter
        • encode_call_on_integration_args
        • encode_generic_adapter_execute_calls_args
        • execute_calls_for_generic_adapter
      • enzyme.utils
        • convert_rate_to_scaled_per_second_rate
      • enzyme.uniswap_v2
        • prepare_swap
    • Chainlink API
      • chainlink.round_data
        • fetch_chainlink_round_data
        • ChainLinkLatestRoundData
    • Solidity event reader
      • event_reader.multithread
        • MultithreadEventReader
      • event_reader.reader
        • extract_events
        • extract_events_concurrent
        • extract_timestamps_json_rpc
        • prepare_filter
        • read_events
        • read_events_concurrent
        • ProgressUpdate
        • Web3EventReader
        • BadTimestampValueReturned
        • TimestampNotFound
      • event_reader.logresult
        • decode_log
        • LogContext
        • LogResult
      • event_reader.filter
        • Filter
      • event_reader.progress_update
        • PrintProgressUpdate
        • TQDMProgressUpdate
      • event_reader.conversion
        • convert_int256_bytes_to_int
        • convert_jsonrpc_value_to_int
        • convert_uint256_bytes_to_address
        • convert_uint256_hex_string_to_address
        • convert_uint256_string_to_address
        • convert_uint256_string_to_int
        • decode_data
      • event_reader.fast_json_rpc
        • patch_provider
        • patch_web3
        • IPCFlaky
      • event_reader.block_header
        • BlockHeader
      • event_reader.block_time
        • measure_block_time
      • event_reader.block_data_store
        • BlockDataStore
      • event_reader.reorganisation_monitor
        • create_reorganisation_monitor
        • ChainReorganisationResolution
        • GraphQLReorganisationMonitor
        • JSONRPCReorganisationMonitor
        • MockChainAndReorganisationMonitor
        • ReorganisationMonitor
        • BlockNotAvailable
        • ChainReorganisationDetected
        • ReorganisationResolutionFailure
        • TooLongRange
      • event_reader.parquet_block_data_store
        • ParquetDatasetBlockDataStore
        • NoGapsWritten
      • event_reader.csv_block_data_store
        • CSVDatasetBlockDataStore
        • NoGapsWritten
      • event_reader.web3factory
        • SimpleWeb3Factory
        • TunedWeb3Factory
        • Web3Factory
      • event_reader.web3worker
        • create_thread_pool_executor
        • get_worker_web3
      • event_reader.state
        • ScanState
      • event_reader.json_state
        • JSONFileScanState
    • Price oracle
      • price_oracle.oracle
        • time_weighted_average_price
        • BasePriceOracle
        • FixedPriceOracle
        • PriceEntry
        • PriceFunction
        • PriceOracle
        • PriceSource
        • TrustedStablecoinOracle
        • DataPeriodTooShort
        • DataTooOld
        • NotEnoughData
        • PriceCalculationError
    • Data research
      • research.candle
        • convert_to_ohlcv_candles
  • Tutorials
    • ERC-20 token transfer with web3.py
    • Swap tokens on Uniswap v2 compatible DEXes
    • Solidity event high-speed multithread reading
    • EVM JSON-RPC node integrity verifier
    • Uniswap v2 live price with web3.py
    • Uniswap V3 liquidity analysis
    • Uniswap V3 OHCLV candle price analysis
    • Uniswap v2 historical swaps and pairs event reading
    • Uniswap v2 reading swaps real-time (minimal)
    • Pancakeswap live trades
    • Uniswap v2 reading real-time swaps and new pairs
    • Aave V3 Interest Analysis
    • Slippage and price impact
    • Configuring MEV protection and JSON-RPC fallback
  • Developer guide
  • Troubleshooting
  • Related projects
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