🪄Cast

• call is used for viewing data

• send is used for modifying state (invoke functions, create contracts, etc.)

Send ETH to an address

cast send <SENDER_ADDRESS> --value 1ether --rpc-url ${RPC_URL} --private-key ${PRIVATE_KEY}

Call a view function

cast call <CONTRACT_ADDRESS> "getCreator()" --rpc-url ${RPC_URL}

Invoke a function

cast send <CONTRACT_ADDRESS> "withdraw(address,uint256)" <ARG_1> <ARG_2> \
--rpc-url ${RPC_URL} --private-key ${PRIVATE_KEY}

Get and send tokens on an anvil fork

cast rpc anvil_impersonateAccount <TOKEN_WHALE> --rpc-url ${RPC_URL}
cast send <TOKEN_ADDRESS> \
--from <TOKEN_WHALE> \
"transfer(address,uint256)(bool)" \
<RECEIVER_ACCOUNT> \
10000000 \
--unlocked \
--rpc-url ${RPC_URL}

Hex Conversion

cast --to-base 0x6f dec
cast --to-hex 111

Get storage slot from any contract

cast storage <CONTRACT_ADDRRESS> <STORAGE_SLOT> --rpc-url <RPC_URL>

Get OPCODES for a contract

CONTRACT_NAME=

BYTECODE=$(jq -r '.bytecode.object' out/${CONTRACT_NAME}.sol/${CONTRACT_NAME}.json)
cast disassemble $BYTECODE > "${CONTRACT_NAME}-opcodes.txt"