npm package discovery and stats viewer.

Discover Tips

  • General search

    [free text search, go nuts!]

  • Package details

    pkg:[package-name]

  • User packages

    @[username]

Sponsor

Optimize Toolset

I’ve always been into building performant and accessible sites, but lately I’ve been taking it extremely seriously. So much so that I’ve been building a tool to help me optimize and monitor the sites that I build to make sure that I’m making an attempt to offer the best experience to those who visit them. If you’re into performant, accessible and SEO friendly sites, you might like it too! You can check it out at Optimize Toolset.

About

Hi, 👋, I’m Ryan Hefner  and I built this site for me, and you! The goal of this site was to provide an easy way for me to check the stats on my npm packages, both for prioritizing issues and updates, and to give me a little kick in the pants to keep up on stuff.

As I was building it, I realized that I was actually using the tool to build the tool, and figured I might as well put this out there and hopefully others will find it to be a fast and useful way to search and browse npm packages as I have.

If you’re interested in other things I’m working on, follow me on Twitter or check out the open source projects I’ve been publishing on GitHub.

I am also working on a Twitter bot for this site to tweet the most popular, newest, random packages from npm. Please follow that account now and it will start sending out packages soon–ish.

Open Software & Tools

This site wouldn’t be possible without the immense generosity and tireless efforts from the people who make contributions to the world and share their work via open source initiatives. Thank you 🙏

© 2024 – Pkg Stats / Ryan Hefner

@atpar/actus-solidity

v0.4.3

Published

ACTUS smart contracts

Downloads

19

Readme

ACTUS Solidity

Solidity implementation of ACTUS Contract Types (https://www.actusfrf.org/algorithmic-standard)

Smart Contracts

Core

Contains banking-grade financial logic such as ACTUS day-count & end-of-month conventions, ACTUS datatypes and floating point arithmetic used throughout all ACTUS engines.

Engines

Contains ACTUS state machine engines for each ACTUS Contract Type. An Engine implements the state transition & payoff functions and the schedule generation logic for an ACTUS Contract Type. Engines are stateless smart contracts, thus can be used on-chain as well as off-chain (e.g. by using the EVM as a TEE).

Basic workflow

  1. Define an ACTUS term sheet depending on the financial contract you want to model and derive the LifecycleTerms object from that
  2. Compute EventType-specific schedules via computeNonCyclicScheduleSegment() and computeCyclicScheduleSegment() (you may combine the schedules into one schedule for easier handling) as well as the initial state of the asset via computeInitialState() via the corresponding Engine contract
  3. Evaluate each event in the schedule by computing its payoff via computePayoffForEvent() and the resulting state via computeStateForEvent() (note: the payoff has to be computed from the previous state - always compute payoff first then the state)

Development

Requirements and Setup

See README in root directory.

Testing

yarn test

Implemented Conventions

  • [x] Contract-Role-Sign-Convention (for PAM)
  • [x] Contract-Default-Convention

Business-Day-Count-Conventions

  • [x] SCF (Shift/Calculate following)
  • [x] SCMF (Shift/Calculate modified following)
  • [x] CSF (Calculate/Shift following)
  • [x] CSMF (Calculate/Shift modified following)
  • [x] SCP (Shift/Calculate preceding)
  • [x] SCMP (Shift/Calculate modified preceding)
  • [x] CSP (Calculate/Shift preceding)
  • [x] CSMP (Calculate/Shift modified preceding)

Year-Fraction-Conventions (Day-Count-Methods)

  • [x] A/AISDA (Actual Actual ISDA)
  • [x] A/360 (Actual Three Sixty)
  • [x] A/365 (Actual Three Sixty Five)
  • [x] 30E/360ISDA (Thirty E Three Sixty ISDA)
  • [x] 30E/360 (Thirty E Three Sixty)
  • [ ] BUS/252 (Business Two Fifty Two)
  • [ ] 1/1

End-Of-Month-Conventions

  • [x] Same Day Shift
  • [x] End-Of-Month Shift