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Module 0x2::smr

Coin<SMR> is the token used for migrated Shimmer users. It has 6 decimals, and the smallest unit (10^-6) is called "glow".

use 0x1::option;
use 0x2::balance;
use 0x2::coin;
use 0x2::transfer;
use 0x2::tx_context;
use 0x2::url;

Struct SMR​

Name of the coin

struct SMR has drop
Fields
dummy_field: bool

Constants​

Sender is not @0x0 the system address.

const ENotSystemAddress: u64 = 1;
const EAlreadyMinted: u64 = 0;

The amount of Glows per Shimmer token based on the fact that micros is 10^-6 of a Shimmer token

const GLOW_PER_SMR: u64 = 1000000;

The total supply of Shimmer denominated in Glows

const TOTAL_SUPPLY_GLOWS: u64 = 1813620509061365;

Function init​

Register the SHIMMER coin.

fun init(witness: smr::SMR, ctx: &mut tx_context::TxContext)
Implementation
fun init(witness: SMR, ctx: &mut TxContext) {
assert!(ctx.sender() == @0x0, ENotSystemAddress);
assert!(ctx.epoch() == 0, EAlreadyMinted);
let (treasury, metadata) = coin::create_currency(
witness,
6,
b"Shimmer",
b"SMR",
b"The original Shimmer (SMR) token as inherited from the Shimmer Network.",
option::some(url::new_unsafe_from_bytes(b"https://iota.org/smr-logo.png")),
ctx
);
transfer::public_freeze_object(metadata);
let supply = treasury.treasury_into_supply();
supply.destroy_supply();
}

Function transfer​

public entry fun transfer(c: coin::Coin<smr::SMR>, recipient: address)
Implementation
public entry fun transfer(c: coin::Coin<SMR>, recipient: address) {
transfer::public_transfer(c, recipient)
}