cast logs
Get logs by signature or topic
$ cast logs --help
Usage: cast logs [OPTIONS] [SIG_OR_TOPIC] [TOPICS_OR_ARGS]...
Arguments:
[SIG_OR_TOPIC]
The signature of the event to filter logs by which will be converted
to the first topic or a topic to filter on
[TOPICS_OR_ARGS]...
If used with a signature, the indexed fields of the event to filter
by. Otherwise, the remaining topics of the filter
Options:
--from-block <FROM_BLOCK>
The block height to start query at.
Can also be the tags earliest, finalized, safe, latest, or pending.
--to-block <TO_BLOCK>
The block height to stop query at.
Can also be the tags earliest, finalized, safe, latest, or pending.
--address <ADDRESS>
The contract address to filter on
--subscribe
If the RPC type and endpoints supports `eth_subscribe` stream logs
instead of printing and exiting. Will continue until interrupted or
TO_BLOCK is reached
-h, --help
Print help (see a summary with '-h')
-j, --threads <THREADS>
Number of threads to use. Specifying 0 defaults to the number of
logical cores
[aliases: jobs]
Ethereum options:
-r, --rpc-url <URL>
The RPC endpoint
[env: ETH_RPC_URL=]
--flashbots
Use the Flashbots RPC URL with fast mode
(<https://rpc.flashbots.net/fast>).
This shares the transaction privately with all registered builders.
See:
<https://docs.flashbots.net/flashbots-protect/quick-start#faster-transactions>
--jwt-secret <JWT_SECRET>
JWT Secret for the RPC endpoint.
The JWT secret will be used to create a JWT for a RPC. For example,
the following can be used to simulate a CL `engine_forkchoiceUpdated`
call:
cast rpc --jwt-secret <JWT_SECRET> engine_forkchoiceUpdatedV2
'["0x6bb38c26db65749ab6e472080a3d20a2f35776494e72016d1e339593f21c59bc",
"0x6bb38c26db65749ab6e472080a3d20a2f35776494e72016d1e339593f21c59bc",
"0x6bb38c26db65749ab6e472080a3d20a2f35776494e72016d1e339593f21c59bc"]'
[env: ETH_RPC_JWT_SECRET=]
--rpc-timeout <RPC_TIMEOUT>
Timeout for the RPC request in seconds.
The specified timeout will be used to override the default timeout for
RPC requests.
Default value: 45
[env: ETH_RPC_TIMEOUT=]
--rpc-headers <RPC_HEADERS>
Specify custom headers for RPC requests
[env: ETH_RPC_HEADERS=]
-e, --etherscan-api-key <KEY>
The Etherscan (or equivalent) API key
[env: ETHERSCAN_API_KEY=]
-c, --chain <CHAIN>
The chain name or EIP-155 chain ID
[env: CHAIN=]
Wallet options - raw:
-f, --from <ADDRESS>
The sender account
[env: ETH_FROM=]
-i, --interactive
Open an interactive prompt to enter your private key
--private-key <RAW_PRIVATE_KEY>
Use the provided private key
--mnemonic <MNEMONIC>
Use the mnemonic phrase of mnemonic file at the specified path
--mnemonic-passphrase <PASSPHRASE>
Use a BIP39 passphrase for the mnemonic
--mnemonic-derivation-path <PATH>
The wallet derivation path.
Works with both --mnemonic-path and hardware wallets.
--mnemonic-index <INDEX>
Use the private key from the given mnemonic index.
Used with --mnemonic-path.
[default: 0]
Wallet options - keystore:
--keystore <PATH>
Use the keystore in the given folder or file
[env: ETH_KEYSTORE=]
--account <ACCOUNT_NAME>
Use a keystore from the default keystores folder
(~/.foundry/keystores) by its filename
[env: ETH_KEYSTORE_ACCOUNT=]
--password <PASSWORD>
The keystore password.
Used with --keystore.
--password-file <PASSWORD_FILE>
The keystore password file path.
Used with --keystore.
[env: ETH_PASSWORD=]
Wallet options - hardware wallet:
-l, --ledger
Use a Ledger hardware wallet
-t, --trezor
Use a Trezor hardware wallet
Wallet options - remote:
--aws
Use AWS Key Management Service
Display options:
--color <COLOR>
The color of the log messages
Possible values:
- auto: Intelligently guess whether to use color output (default)
- always: Force color output
- never: Force disable color output
--json
Format log messages as JSON
-q, --quiet
Do not print log messages
-v, --verbosity...
Verbosity level of the log messages.
Pass multiple times to increase the verbosity (e.g. -v, -vv, -vvv).
Depending on the context the verbosity levels have different meanings.
For example, the verbosity levels of the EVM are:
- 2 (-vv): Print logs for all tests.
- 3 (-vvv): Print execution traces for failing tests.
- 4 (-vvvv): Print execution traces for all tests, and setup traces
for failing tests.
- 5 (-vvvvv): Print execution and setup traces for all tests,
including storage changes.