I was just told this topic is off-topic on the racket discord--clearly an injustice:
[image: image.png] On Mon, 19 Apr 2021 at 04:16, Adam Golding <[email protected]> wrote: > Also I just discovered this: > http://www.michaelburge.us/2017/11/28/write-your-next-ethereum-contract-in-pyramid-scheme.html > > On Mon, 19 Apr 2021 at 03:42, Adam Golding <[email protected]> wrote: > >> Beatri please tell us more and publish to Github :-) It seems to me that >> some racketers should enter the https://moralis.io/hackathon/ to make >> racket contracts work across other smart contract systems, as this platform >> has already done some of the boring leg work, otherwise, how will the idea >> of a 'racket web server' adapt to the needs of a web3 site that interfaces >> with smart contracts on multiple blockchains? >> >> On Thu, 25 Mar 2021 at 11:44, Beatriz Moreira <[email protected]> >> wrote: >> >>> Hi! >>> Thank you for the Goblins idea, but that's not really what I have in >>> mind. >>> What I did in Racket was a formalisation of two smart contract core >>> languages, to be able to see the execution step-by-step. >>> What I had in mind was something like a git where I could publish my >>> work for case study purposes. >>> Thank you :D >>> >>> A terça-feira, 16 de março de 2021 à(s) 19:24:35 UTC, cwebber escreveu: >>> >>>> James Platt writes: >>>> >>>> > On Mar 15, 2021, at 7:01 PM, Beatriz Moreira wrote: >>>> > >>>> >> Hello! I recently used Racket as a tool to see the small step >>>> >> execution of some smart contract languages and I was wondering if >>>> >> there is anywhere i can submit my work or share it with the Racket >>>> >> community. >>>> > >>>> > One place might be the Racket Artifacts site. I think it's mainly >>>> > intended for short demonstrations of code but, if yours is not too >>>> > long, that might be the place. >>>> > >>>> > https://github.com/racket/racket/wiki/Artifacts >>>> > >>>> > I am interested in smart contracts, as well, for a possible future >>>> > addition to a project I am working on but it will be a while before I >>>> > get to that point. >>>> >>>> Spritely Goblins is probably what you want to look at, or will after >>>> the >>>> next release (v0.8) comes out: >>>> >>>> https://docs.racket-lang.org/goblins/index.html >>>> >>>> In the not too distant future, Spritely and Agoric's CapTP should >>>> converge. Agoric's current work is all based around smart contracts: >>>> >>>> https://agoric.com/ >>>> https://github.com/Agoric/agoric-sdk/issues/1827 >>>> >>>> There's a lot of confusion out there about what "smart contracts" mean; >>>> most of the examples tend to assume it has to do with blockchains. In >>>> fact, work on smart contracts precedes blockchains by several decades. >>>> If you look at http://www.erights.org/ on which many of the ideas in >>>> Spritely Goblins is based, you'll notice that it has the word "smart >>>> contracts" prominently, yet this was well over a decade before >>>> blockchains even existed. What the heck? >>>> >>>> Smart contracts as something implemented with distributed objects can >>>> be >>>> best understood probably by reading Capability Based Financial >>>> Instruments: >>>> >>>> http://erights.org/elib/capability/ode/index.html >>>> >>>> The mint example from that paper is implemented in Goblins: >>>> >>>> >>>> https://gitlab.com/spritely/goblins/-/blob/dev/goblins/actor-lib/simple-mint.rkt >>>> >>>> That's right, in about 25 lines of Goblins code you can have a >>>> functioning bank of sorts, which preserves financial integrity and even >>>> permits networked accounts. No blockchain required. >>>> >>>> Yet, you could add a blockchain, or even turn Goblins into a blockchain >>>> if you wanted. (Since Goblins' actor state is transactional and >>>> snapshottable, you can have a merkle tree of all inputs, and global >>>> consensus on the set of messages accepted by the network, and all >>>> participants can replay and simulate the same abstract machine. This is >>>> fairly trivial to do in Goblins.) >>>> >>>> But more interestingly, Agoric has already done the work of abstracting >>>> even remote blockchains as abstract machines on the network. Since >>>> we'll be implementing the same CapTP, when the time comes you'll be >>>> able >>>> to access all that for free, even though Agoric programs are written in >>>> Javascript and Goblins programs in Racket. >>>> >>>> Anyway, the next release of Goblins, coming soon, should allow for >>>> beginning to play with this kind of stuff on the network more easily >>>> than in the present (v0.7) stuff, which currently takes a lot of work. >>>> So maybe if you can wait a few weeks, it'll be easier to talk about. >>>> >>>> But "smart contracts" is a use case, a broad problem domain. What kind >>>> of smart contracts are you wanting to write? >>>> >>>> - Chris >>>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Racket Users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/racket-users/6066d33f-f6e5-44ed-bed9-edda173b15c2n%40googlegroups.com >>> <https://groups.google.com/d/msgid/racket-users/6066d33f-f6e5-44ed-bed9-edda173b15c2n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/CALiGnDA%3DW2tanvoi85xA6wm_P-nOkL_EpNOwyXrusxXGB9QsFg%40mail.gmail.com.

