# STP-258 Currencies ## Setheum Tokenization Protocol 258 Standard Multi-Currency Stablecoin SERP Module based on Stp258Standard built on top of Stp258Serp and SerpTraits.

## Overview

The STP258 Currencies module provides a mixed stablecoin system, by configuring a native currency which implements Stp258AssetExtended, and a multi-currency which implements Stp258Currency.

This module is based on the STP-258 Standard built on the STP-258 Serp implementing the STP-258 Traits.

### Implementations

The stp258 module provides implementations for following traits.

• Stp258Currency - Abstraction over a fungible multi-currency stablecoin system.

• Stp258CurrencyExtended - Extended Stp258Currency with additional helper types and methods, like updating balance by a given signed integer amount.

  Interface

  Dispatchable Functions

• transfer - Transfer some balance to another account, in a given currency.

• transfer_native_currency - Transfer some balance to another account, in native currency set in Config::Stp258Native.
• update_balance - Update balance by signed integer amount, in a given currency, root origin required.

Acknowledgement & Reference

This Pallet is built on STP258 Serp pallet.

This Pallet is inspired by the ORML Currencies Pallet developed by Open Web3 Stack, for reference check The ORML Repo.

Test & Build

Run cargo build to build. Run cargo test to test.

build:

runs-on: ubuntu-latest

steps:
- uses: actions/checkout@v2
- name: Install toolchain
  uses: actions-rs/toolchain@v1
  with:
    profile: minimal
    toolchain: nightly-2021-03-05
    target: wasm32-unknown-unknown
    default: true
- name: Install Wasm toolchain
  run: rustup target add wasm32-unknown-unknown
- name: Install clippy
  run: rustup component add clippy
- name: Build
  run: cargo build --verbose
- name: Run tests
  run: cargo test --verbose