To allocate enough ether to those accounts, we can use alloc property of genesis configuration ( genesis.json). "3e48c4e748b8f5baf6f870c5c4d2a0147390c94e778a9ca67de945bffeb2f72a"ĭon't miss -allow-insecure-unlock option, to avoid permission error from personal.unlockAccount().Īccounts can be imported and unlocked like above, but they have no balance yet. You can use alloc property of genesis object, -preload option with geth console API for this purpose.įor example, if you have the following pre-defined addresses generated before (You can use online generators or libraries like eth-account in Python. With Geth, you can import pre-defined addresses(key-pairs) using -preload option of geth console command.įor non production environment, it could be convenient to add/import pre-defined addresses, to allocate enough initial balances, and to automatically unlock those accounts.
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