Introduce Sargon: Radix Engine Toolkit (RET) removed

[CyonAlexRDX]

STATUS: Ready for review

Do not merge yet, we must test it more! Initial testing looks good, I've tried all various "standard transactions" which seems to be working:

• Single Fungible token transfer
• Non Fungible token transfer
• Multiple Fungible
• Multiple Non Fungible
• Stake
• Unstake
• Claim stake
• Use Gumball Club Dapp with Membership
• Mint Fungible
• Update Third Party Deposits
• Mint Non Fungible

(Creating MANY NonFungible and MANY Fungible - from Dev Preferences for DEBUG builds does not work, so I will look into that, but at least mint many NFTs is commented out currently in main anyway.)

Changes

This PR removes RET: Radix Engine Toolkit (which is Swifty wrapper around Rust impl), and the extensions we had on those types which reside in the EngineKit folder in this repo - they are all replaces with Sargon, specifically the Swift Package / target with the same name, which is a non-trivial Swift wrapper around the UniFFI bindgen "hot garbage" generated file with 22,000 lines of Swift code.

Sargon also contains a full implementation of Profile, this PR does NOT make use of that here in iOS wallet land, instead we keep using the iOS wallets Profile impl for now, but at a later point in time (hopefully this month) we will remove iOS profile and use Sargon profile instead.

RETDecimal is now known as Decimal192 (Not named Decimal to avoid naming collision with Foundation.Decimal) - and should be identical to what we have today (with a few extra improvements, such asDecimal is not a throwing method but a computed property. And more initializers)

Sendable

All types in Sargon are value types - not references types like they were in RET - with mutable stored properties. All types are Hashable (thus Equatable) and Sendable.

Samples Values

ALL types in Sargon (in Rust) have sample values. Self.sample() and Self.sample_other(), almost all types in Swift have got those a exported as static vars, Self.sample and Self.sampleOther - if you miss one, let me know and I will export it from Rust and "swiftify it".

RET API's have been upgraded to:

• Not be unnecessarily throwing (e.g. hash and compile and intent_hash etc)
• To not return Address (tagged union) but rather use specific addresses, e.g. AccountAddress for accountsWithdrawnFrom
• Not require networkID unnecessarily - instead we read it out from the provided addresses
• ALL manifest building has been moved into, and fully isolated in Sargon - Sargon does NOT provide any ManifestBuilder at all
• All addresses have been upgraded with nice shiny API's such as networkID, poolKind, isLegacyAddress, isFungible etc
• All Address, IntentHashes, NF-LocalID and NF-GlobalID have got the formatted(_ addressFormat: AddressFormat) -> String methods

BROKEN / UNTESTED

Most likely broken are:

• RET errors - they have not yet been migrated - but note that some of them cannot happen any more.

Test it out

Pre-Alpha 1.5.1 (2)

[CyonAlexRDX]

supersedes #1031

[GhenadieVP]

Should we then also replace the txID property names?

[GhenadieVP]

Tremendous work, bravo 💯 🥇!!! So many months of work finally come to fruition, and in what a nice clean way 👏.
Can't wait to have 90% of the codebase in Sargon 😄

[kugel3]

Amazing work, many great improvements. Most comments are style related. Regarding all the new debug strings, shouldn't they be returned by Sargon, or are they all on types that only exist on iOS?