feat: add ledger subcommand

[p-shahi]

Ledger commands

USAGE:
    dfx ledger [OPTIONS] <SUBCOMMAND>

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

OPTIONS:
        --network <network>    Override the compute network to connect to. By default, the local
                               network is used

SUBCOMMANDS:
    account-id         Prints the selected identity's AccountIdentifier
    balance            Prints the account balance of the user
    create-canister    Create a canister from ICP
    help               Prints this message or the help of the given subcommand(s)
    top-up             Top up a canister with cycles minted from ICP
    transfer           Transfer ICP from the user to the destination AccountIdentifier

dfx-ledger-create-canister
Create a canister from ICP

USAGE:
    dfx ledger create-canister [OPTIONS] --controller <controller>

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

OPTIONS:
        --amount <amount>            ICP to mint into cycles and deposit into destination canister
                                     Can be specified as a Decimal with the fractional portion up to
                                     8 decimal places i.e. 100.012
        --controller <controller>    Specify the controller of the new canister
        --e8s <e8s>                  Specify e8s as a whole number, helpful for use in conjunction
                                     with `--icp`
        --icp <icp>                  Specify ICP as a whole number, helpful for use in conjunction
                                     with `--e8s`

[p-shahi]

this should be tested against replica branch pshahi/ledger-v1

[ghost]

I was a bit puzzled by both icp and e8s being validated by e8s_validator. Would it make sense to call it something else, or is it really true that the same range constraints (none?) apply to both?

[p-shahi]

The same range constraints apply to both

pub struct ICPTs {
    e8s: u64,
}