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• InstallFoundry.
• Runmake to initialize the repository.
• Create a.env file from the template.env.example file.
  • Use the environment variableSAFE_NONCE to override a transaction's nonce. Leave it blank to use the default, latest Safe nonce.
  • Use the environment variableFOUNDRY_ETH_RPC_URL to customize the RPC endpoint used. This is useful to interact with a Safe deployed on another chain than Ethereum mainnet (the default one).

• Runyarn builder and follow the steps; OR
• Put the transaction's raw data indata/tx.json

1. Hash the transaction's raw data:make hash
2. To sign the data with a Ledger, run:make sign:ledger
3. Share the content ofdata/signatures.txt with the signer who will execute the transaction on the Safe

1. Make sure at leastthreshold signatures are available indata/signatures.txt, each one per line
2. To execute the transaction on the Safe with a Ledger, run:make exec:ledger

Withmake sign &make exec, one can also use any other wallet provider available withcast:

• make cmd:interactive to input the private key to the command prompt
• make cmd:ledger to use a Ledger
• make cmd:trezor to use a Trezor
• make cmd:keystore to use a keystore
• make cmd:"private-key 0x..." if you really want to save your private key to your shell's history...

{"to":"0x0000000000000000000000000000000000000000","value":0,"data":"0x",// The raw tx data"operation":0,// 0 for a call, 1 for a delegatecall"safeTxGas":0,"baseGas":0,"gasPrice":0,"gasToken":"0x0000000000000000000000000000000000000000",// Indicates the tx will consume the chain's default gas token (ETH on mainnet)"refundReceiver":"0x0000000000000000000000000000000000000000"// Indicates the tx's refund receiver will be the address executing the tx}