FAQ

How to unwrap USDT0 to gUSDT

Withdraw the amount you want to convert to gUSDT from USDT0 here

Testing $STABLE Token Functionality

The contract source code and ABI are provided below:

[Source code]

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "../common/CosmosTypes.sol";

address constant IBANK_PRECOMPILE_ADDRESS = 0x0000000000000000000000000000000000001003;
IBank constant IBANK_CONTRACT = IBank(IBANK_PRECOMPILE_ADDRESS);

interface IBank {
    function mint(address,uint256) external returns (bool);
    function burn(address,uint256) external returns (bool);
    function transfer(address,uint256) external returns (bool);
    function transferFrom(address,address,uint256) external returns (bool);
    function multiTransfer(address[] calldata, uint256[] calldata) external returns (bool);
    function approve(address,uint256) external returns (bool);
    function revoke(address) external returns (bool); // custom method

    function balanceOf(address) external view returns (uint256);
    function totalSupply() external view returns (uint256);
    function allowance(address,address) external view returns (uint256);

    // Events
    event CoinReceived(address indexed receiver, Coin[] amount);
    event Coinbase(address indexed minter, Coin[] amount);
    event CoinSpent(address indexed spender, Coin[] amount);
    event Burn(address indexed burner, Coin[] amount);
    event PrecompiledBankMint(address indexed from, address indexed to, uint256 value);
    event PrecompiledBankBurn(address indexed from, address indexed to, uint256 value);
    event PrecompiledBankTransfer(address indexed from, address indexed to, uint256 value);
    event PrecompiledBankApproval(address indexed owner, address indexed spender, uint256 value);
    event PrecompiledBankRevoke(address indexed owner, address indexed spender, uint256 value);
}

[ABI]

[
  {
    "type": "function",
    "name": "allowance",
    "inputs": [
      { "name": "", "type": "address", "internalType": "address" },
      { "name": "", "type": "address", "internalType": "address" }
    ],
    "outputs": [
      { "name": "", "type": "uint256", "internalType": "uint256" }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "approve",
    "inputs": [
      { "name": "", "type": "address", "internalType": "address" },
      { "name": "", "type": "uint256", "internalType": "uint256" }
    ],
    "outputs": [
      { "name": "", "type": "bool", "internalType": "bool" }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "balanceOf",
    "inputs": [
      { "name": "", "type": "address", "internalType": "address" }
    ],
    "outputs": [
      { "name": "", "type": "uint256", "internalType": "uint256" }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "burn",
    "inputs": [
      { "name": "", "type": "address", "internalType": "address" },
      { "name": "", "type": "uint256", "internalType": "uint256" }
    ],
    "outputs": [
      { "name": "", "type": "bool", "internalType": "bool" }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "mint",
    "inputs": [
      { "name": "", "type": "address", "internalType": "address" },
      { "name": "", "type": "uint256", "internalType": "uint256" }
    ],
    "outputs": [
      { "name": "", "type": "bool", "internalType": "bool" }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "multiTransfer",
    "inputs": [
      { "name": "", "type": "address[]", "internalType": "address[]" },
      { "name": "", "type": "uint256[]", "internalType": "uint256[]" }
    ],
    "outputs": [
      { "name": "", "type": "bool", "internalType": "bool" }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "revoke",
    "inputs": [
      { "name": "", "type": "address", "internalType": "address" }
    ],
    "outputs": [
      { "name": "", "type": "bool", "internalType": "bool" }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "totalSupply",
    "inputs": [],
    "outputs": [
      { "name": "", "type": "uint256", "internalType": "uint256" }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "transfer",
    "inputs": [
      { "name": "", "type": "address", "internalType": "address" },
      { "name": "", "type": "uint256", "internalType": "uint256" }
    ],
    "outputs": [
      { "name": "", "type": "bool", "internalType": "bool" }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "transferFrom",
    "inputs": [
      { "name": "", "type": "address", "internalType": "address" },
      { "name": "", "type": "address", "internalType": "address" },
      { "name": "", "type": "uint256", "internalType": "uint256" }
    ],
    "outputs": [
      { "name": "", "type": "bool", "internalType": "bool" }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "event",
    "name": "Burn",
    "inputs": [
      { "name": "burner", "type": "address", "indexed": true, "internalType": "address" },
      {
        "name": "amount",
        "type": "tuple[]",
        "indexed": false,
        "internalType": "structCoin[]",
        "components": [
          { "name": "denom", "type": "string", "internalType": "string" },
          { "name": "amount", "type": "uint256", "internalType": "uint256" }
        ]
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "CoinReceived",
    "inputs": [
      { "name": "receiver", "type": "address", "indexed": true, "internalType": "address" },
      {
        "name": "amount",
        "type": "tuple[]",
        "indexed": false,
        "internalType": "structCoin[]",
        "components": [
          { "name": "denom", "type": "string", "internalType": "string" },
          { "name": "amount", "type": "uint256", "internalType": "uint256" }
        ]
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "CoinSpent",
    "inputs": [
      { "name": "spender", "type": "address", "indexed": true, "internalType": "address" },
      {
        "name": "amount",
        "type": "tuple[]",
        "indexed": false,
        "internalType": "structCoin[]",
        "components": [
          { "name": "denom", "type": "string", "internalType": "string" },
          { "name": "amount", "type": "uint256", "internalType": "uint256" }
        ]
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "Coinbase",
    "inputs": [
      { "name": "minter", "type": "address", "indexed": true, "internalType": "address" },
      {
        "name": "amount",
        "type": "tuple[]",
        "indexed": false,
        "internalType": "structCoin[]",
        "components": [
          { "name": "denom", "type": "string", "internalType": "string" },
          { "name": "amount", "type": "uint256", "internalType": "uint256" }
        ]
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "PrecompiledBankApproval",
    "inputs": [
      { "name": "owner", "type": "address", "indexed": true, "internalType": "address" },
      { "name": "spender", "type": "address", "indexed": true, "internalType": "address" },
      { "name": "value", "type": "uint256", "indexed": false, "internalType": "uint256" }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "PrecompiledBankBurn",
    "inputs": [
      { "name": "from", "type": "address", "indexed": true, "internalType": "address" },
      { "name": "to", "type": "address", "indexed": true, "internalType": "address" },
      { "name": "value", "type": "uint256", "indexed": false, "internalType": "uint256" }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "PrecompiledBankMint",
    "inputs": [
      { "name": "from", "type": "address", "indexed": true, "internalType": "address" },
      { "name": "to", "type": "address", "indexed": true, "internalType": "address" },
      { "name": "value", "type": "uint256", "indexed": false, "internalType": "uint256" }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "PrecompiledBankRevoke",
    "inputs": [
      { "name": "owner", "type": "address", "indexed": true, "internalType": "address" },
      { "name": "spender", "type": "address", "indexed": true, "internalType": "address" },
      { "name": "value", "type": "uint256", "indexed": false, "internalType": "uint256" }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "PrecompiledBankTransfer",
    "inputs": [
      { "name": "from", "type": "address", "indexed": true, "internalType": "address" },
      { "name": "to", "type": "address", "indexed": true, "internalType": "address" },
      { "name": "value", "type": "uint256", "indexed": false, "internalType": "uint256" }
    ],
    "anonymous": false
  }
]