cast-mktx.md

cast mktx

NAME

cast-mktx - Build and sign a transaction.

SYNOPSIS

cast mktx [options] to [sig] [args...]

DESCRIPTION

Build and sign a transaction, without publishing it.

The destination (to) can be an ENS name or an address.

{{#include sig-description.md}}

OPTIONS

{{#include ../common/transaction-options.md}}

--create code [sig args...]
    Deploy a contract by specifying raw bytecode, in place of specifying a to address.

{{#include ../common/wallet-options-raw.md}}

{{#include ../common/wallet-options-keystore.md}}

{{#include ../common/wallet-options-hardware.md}}

{{#include ../common/rpc-options.md}}

{{#include ../common/etherscan-options.md}}

{{#include common-options.md}}

EXAMPLES

1. Sign a transaction that sends some ether to Vitalik using your Ledger:

   cast mktx --ledger vitalik.eth --value 0.1ether

2. Sign a transaction that calls deposit(address token, uint256 amount) on a contract:

   cast mktx --ledger 0x... "deposit(address,uint256)" 0x... 1

3. Sign a transaction that calls a function that expects a struct:

   contract Test {
       struct MyStruct {
           address addr;
           uint256 amount;
       }
       function myfunction(MyStruct memory t) public pure {}
   }

   Structs are encoded as tuples (see struct encoding)

   cast mktx 0x... "myfunction((address,uint256))" "(0x...,1)"

4. Sign a transaction with hex data in the input field of the transaction object:

   cast mktx 0x... 0x68656c6c6f20776f726c64

SEE ALSO

cast, cast publish, cast send, struct encoding