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507 commits

Author SHA1 Message Date
Luke Parker
3f0f4d520d Remove the Sandbox contract 
If instead of intaking calls, we intake code, we can deploy a fresh contract
which makes arbitrary calls *without* attempting to build our abstraction
layer over the concept.

This should have the same gas costs, as we still have one contract deployment.
The new contract only has a constructor, so it should have no actual code and
beat the Sandbox in that regard? We do have to call into ourselves to meter the
gas, yet we already had to call into the deployed Sandbox to achieve that.

Also re-defines the OutInstruction to include tokens, implements
OutInstruction-specified gas amounts, bumps the Solidity version, and other
such misc changes.
 2024-09-19 23:36:32 -07:00
Luke Parker
80ca2b780a Add tests for the premise of the Schnorr contract to the Schnorr crate 2024-09-19 23:36:32 -07:00
Luke Parker
1c5bc2259e Dedicated crate for the Schnorr contract 2024-09-19 23:36:32 -07:00
Luke Parker
bdf89f5350 Add dedicated crate for building Solidity contracts 2024-09-19 23:36:32 -07:00
Luke Parker
239127aae5 Add crate for the Ethereum contracts 2024-09-19 23:36:32 -07:00
Luke Parker
d9543bee40 Move ethereum-serai under the processor 
It isn't generally usable and should be directly integrated at this point.
 2024-09-19 23:36:32 -07:00
Luke Parker
8746b54a43 Don't use a different address for DAI in test 
anvil will let us deploy to the existing address.
 2024-09-19 23:36:32 -07:00
Luke Parker
7761798a78 Outline the Ethereum processor 
This was only half-finished to begin with, unfortunately...
 2024-09-19 23:36:32 -07:00
Luke Parker
72a18bf8bb Smart Contract Scheduler 2024-09-19 23:36:32 -07:00
Luke Parker
0616085109 Monero Planner 
Finishes the Monero processor.
 2024-09-19 23:36:32 -07:00
Luke Parker
a2d9aeaed7 Stub out Scheduler in the Monero processor 2024-09-19 23:36:32 -07:00
Luke Parker
e1ad897f7e Allow scheduler's creation of transactions to be async and error 
I don't love this, but it's the only way to select decoys without using a local
database. While the prior commit added such a databse, the performance of it
presumably wasn't viable, and while TODOs marked the needed improvements, it
was still messy with an immense scope re: any auditing.

The relevant scheduler functions now take `&self` (intentional, as all
mutations should be via the `&mut impl DbTxn` passed). The calls to `&self` are
expected to be completely deterministic (as usual).
 2024-09-19 23:36:32 -07:00
Luke Parker
2edc2f3612 Add a database of all Monero outs into the processor 
Enables synchronous transaction creation (which requires synchronous decoy
selection).
 2024-09-19 23:36:32 -07:00
Luke Parker
e56af7fc51 Monero time_for_block, dust 2024-09-19 23:36:32 -07:00
Luke Parker
947e1067d9 Monero Processor scan, check_for_eventuality_resolutions 2024-09-19 23:36:32 -07:00
Luke Parker
b4e94f3d51 cargo fmt signers/scanner 2024-09-19 23:36:32 -07:00
Luke Parker
1b39138472 Define subaddress indexes to use 
(1, 0) is the external address. (2, *) are the internal addresses.
 2024-09-19 23:36:32 -07:00
Luke Parker
e78236276a Remove async-trait from processor/ 
Part of https://github.com/serai-dex/issues/607.
 2024-09-19 23:36:32 -07:00
Luke Parker
2c4c33e632 Misc continuances on the Monero processor 2024-09-19 23:36:32 -07:00
Luke Parker
f2cf03cedf Monero processor primitives 2024-09-19 23:36:32 -07:00
Luke Parker
0d4c8cf032 Use a local DB channel for sending to the message-queue 
The provided message-queue queue functions runs unti it succeeds. This means
sending to the message-queue will no longer potentially block for arbitrary
amount of times as sending messages is just writing them to a DB.
 2024-09-19 23:36:32 -07:00
Luke Parker
b6811f9015 serai-processor-bin 
Moves the coordinator loop out of serai-bitcoin-processor, completing it.

Fixes a potential race condition in the message-queue regarding multiple
sockets sending messages at once.
 2024-09-19 23:36:32 -07:00
Luke Parker
fcd5fb85df Add binary search to find the block to start scanning from 2024-09-19 23:36:32 -07:00
Luke Parker
3ac0265f07 Add section documenting the safety of txindex upon reorganizations 2024-09-19 23:36:32 -07:00
Luke Parker
9b8c8f8231 Misc tidying of serai-db calls 2024-09-19 23:36:32 -07:00
Luke Parker
59fa49f750 Continue filling out main loop 
Adds generics to the db_channel macro, fixes the bug where it needed at least
one key.
 2024-09-19 23:36:32 -07:00
Luke Parker
723f529659 Note better message structure in messages 2024-09-19 23:36:32 -07:00
Luke Parker
73af09effb Add note to signers on reducing disk IO 2024-09-19 23:36:32 -07:00
Luke Parker
4054e44471 Start on the new processor main loop 2024-09-19 23:36:32 -07:00
Luke Parker
a8159e9070 Bitcoin Key Gen 2024-09-19 23:36:32 -07:00
Luke Parker
b61ba9d1bb Adjust Bitcoin processor layout 2024-09-19 23:36:32 -07:00
Luke Parker
776cbbb9a4 Misc changes in response to prior two commits 2024-09-19 23:36:32 -07:00
Luke Parker
76a3f3ec4b Add an anyone-can-pay output to every Bitcoin transaction 
Resolves #284.
 2024-09-19 23:36:32 -07:00
Luke Parker
93c7d06684 Implement presumed_origin 
Before we yield a block for scanning, we save all of the contained script
public keys. Then, when we want the address credited for creating an output,
we read the script public key of the spent output from the database.

Fixes #559.
 2024-09-19 23:36:32 -07:00
Luke Parker
4cb838e248 Bitcoin processor lib.rs -> main.rs 2024-09-19 23:36:32 -07:00
Luke Parker
c988b7cdb0 Bitcoin TransactionPublisher 2024-09-19 23:36:32 -07:00
Luke Parker
017aab2258 Satisfy Scheduler for Bitcoin 2024-09-19 23:36:32 -07:00
Luke Parker
ba3a6f9e91 Bitcoin ScannerFeed 2024-09-19 23:36:32 -07:00
Luke Parker
e36b671f37 Remove bound that WINDOW_LENGTH < CONFIRMATIONS 
It's unnecessary and not valuable.
 2024-09-19 23:36:32 -07:00
Luke Parker
2d4b775b6e Add bitcoin Block trait impl 2024-09-19 23:36:32 -07:00
Luke Parker
247cc8f0cc Bitcoin Output/Transaction definitions 2024-09-19 23:36:32 -07:00
Luke Parker
0ccf71df1e Remove old signer impls 2024-09-19 23:36:32 -07:00
Luke Parker
8aba71b9c4 Add CosignerTask to signers, completing it 2024-09-19 23:36:32 -07:00
Luke Parker
46c12c0e66 SlashReport signing and signature publication 2024-09-19 23:36:32 -07:00
Luke Parker
3cc7b49492 Strongly type SlashReport, populate cosign/slash report tasks with work 2024-09-19 23:36:32 -07:00
Luke Parker
0078858c1c Tidy messages, publish all Batches to the coordinator 
Prior, we published SignedBatches, yet Batches are necessary for auditing
purposes.
 2024-09-19 23:36:32 -07:00
Luke Parker
a3cb514400 Have the coordinator task publish Batches 2024-09-19 23:36:32 -07:00
Luke Parker
ed0221d804 Add BatchSignerTask 
Uses a wrapper around AlgorithmMachine Schnorrkel to let the message be &[].
 2024-09-19 23:36:32 -07:00
Luke Parker
4152bcacb2 Replace scanner's BatchPublisher with a pair of DB channels 2024-09-19 23:36:32 -07:00
Luke Parker
f07ec7bee0 Route the coordinator, fix race conditions in the signers library 2024-09-19 23:36:32 -07:00
Luke Parker
7484eadbbb Expand task management 
These extensions are necessary for the signers task management.
 2024-09-19 23:36:32 -07:00
Luke Parker
59ff944152 Work on the higher-level signers API 2024-09-19 23:36:32 -07:00
Luke Parker
8f848b1abc Tidy transaction signing task 2024-09-19 23:36:32 -07:00
Luke Parker
100c80be9f Finish transaction signing task with TX rebroadcast code 2024-09-19 23:36:32 -07:00
Luke Parker
a353f9e2da Further work on transaction signing 2024-09-19 23:36:32 -07:00
Luke Parker
b62fc3a1fa Minor work on the transaction signing task 2024-09-19 23:36:32 -07:00
Luke Parker
8380653855 Add empty serai-processor-signers library 
This will replace the signers still in the monolithic Processor binary.
 2024-09-19 23:36:32 -07:00
Luke Parker
b50b889918 Split processor into bitcoin-processor, ethereum-processor, monero-processor 2024-09-19 23:36:32 -07:00
Luke Parker
d570c1d277 Move additional_key.rs to serai-processor-view-keys 
I don't love this. I wanted to simply add this function to `processor/key-gen`,
but then anyone who wants a view key needs to pull in Bulletproofs which is a
mess of code. They'd also be subject to an AGPL licensed library.

This is so small it should be a primitive elsewhere, yet there is no primitives
library eligible. Maybe serai-client since that has the code to make
transactions to Serai (and will have this as a dependency)? Except then the
processor has to import serai-client when this rewrite removed it as a
dependency.
 2024-09-19 23:36:32 -07:00
Luke Parker
2da24506a2 Remove vast swaths of legacy code in the processor 2024-09-19 23:36:32 -07:00
Luke Parker
6e9cb74022 Add non-transaction-chaining scheduler 2024-09-19 23:36:32 -07:00
Luke Parker
0c1aec29bb Finish routing output flushing 
Completes the transaction-chaining scheduler.
 2024-09-19 23:36:32 -07:00
Luke Parker
653ead1e8c Finish the tree logic in the transaction-chaining scheduler 
Also completes the DB functions, makes Scheduler never instantiated, and
ensures tree roots have change outputs.
 2024-09-19 23:36:32 -07:00
Luke Parker
8ff019265f Near-complete version of the tree algorithm in the transaction-chaining scheduler 2024-09-19 23:36:32 -07:00
Luke Parker
0601d47789 Work on the tree logic in the transaction-chaining scheduler 2024-09-19 23:36:32 -07:00
Luke Parker
ebef38d93b Ensure the transaction-chaining scheduler doesn't accumulate the same output multiple times 2024-09-19 23:36:32 -07:00
Luke Parker
75b4707002 Add input aggregation in the transaction-chaining scheduler 
Also handles some other misc in it.
 2024-09-19 23:36:32 -07:00
Luke Parker
3c787e005f Fix bug in the scanner regarding forwarded output amounts 
We'd report the amount originally received, minus 2x the cost to aggregate,
regardless the amount successfully forwarded. We should've reduced to the
amount successfully forwarded, if it was smaller, in case the cost to
forward exceeded the aggregation cost.
 2024-09-19 23:36:32 -07:00
Luke Parker
f11a6b4ff1 Better document the forwarded output flow 2024-09-19 23:36:32 -07:00
Luke Parker
fadc88d2ad Add scheduler-primitives 
The main benefit is whatever scheduler is in use, we now have a single API to
receive TXs to sign (which is of value to the TX signer crate we'll inevitably
build).
 2024-09-19 23:36:32 -07:00
Luke Parker
c88ebe985e Outline of the transaction-chaining scheduler 2024-09-19 23:36:32 -07:00
Luke Parker
6deb60513c Expand primitives/scanner with niceties needed for the scheduler 2024-09-19 23:36:32 -07:00
Luke Parker
bd277e7032 Add processor/scheduler/utxo/primitives 
Includes the necessary signing functions and the fee amortization logic.

Moves transaction-chaining to utxo/transaction-chaining.
 2024-09-19 23:36:32 -07:00
Luke Parker
fc765bb9e0 Add crate for the transaction-chaining Scheduler 2024-09-19 23:36:32 -07:00
Luke Parker
13b74195f7 Don't have acknowledge_batch immediately run 
`acknowledge_batch` can only be run if we know what the Batch should be. If we
don't know what the Batch should be, we have to block until we do.
Specifically, we need the block number associated with the Batch.

Instead of blocking over the Scanner API, the Scanner API now solely queues
actions. A new task intakes those actions once we can. This ensures we can
intake the entire Substrate chain, even if our daemon for the external network
is stalled at its genesis block.

All of this for the block number alone seems ridiculous. To go from the block
hash in the Batch to the block number without this task, we'd at least need the
index task to be up to date (still requiring blocking or an API returning
ephemeral errors).
 2024-09-19 23:36:32 -07:00
Luke Parker
f21838e0d5 Replace acknowledge_block with acknowledge_batch 2024-09-19 23:36:32 -07:00
Luke Parker
76cbe6cf1e Have acknowledge_block take in the results of the InInstructions executed 
If any failed, the scanner now creates a Burn for the return.
 2024-09-19 23:36:32 -07:00
Luke Parker
5999f5d65a Route the DB w.r.t. forwarded outputs' information 2024-09-19 23:36:32 -07:00
Luke Parker
d429a0bae6 Remove unused ID -> number lookup 2024-09-19 23:36:32 -07:00
Luke Parker
775824f373 Impl ScanData serialization in the DB 2024-09-19 23:36:32 -07:00
Luke Parker
41a74cb513 Check a queued key has never been queued before 
Re-queueing should only happen with a malicious supermajority and breaks
indexing by the key.
 2024-09-19 23:36:32 -07:00
Luke Parker
e26da1ec34 Have the Eventuality task drop outputs which aren't ours and aren't worth it to aggregate 
We could drop these entirely, yet there's some degree of utility to be able to
add coins to Serai in this manner.
 2024-09-19 23:36:32 -07:00
Luke Parker
7266e7f7ea Add note on why LifetimeStage is monotonic 2024-09-19 23:36:32 -07:00
Luke Parker
a8b9b7bad3 Add sanity checks we haven't prior reported an InInstruction for/accumulated an output 2024-09-19 23:36:32 -07:00
Luke Parker
2ca7fccb08 Pass the lifetime information to the scheduler 
Enables it to decide which keys to use for fulfillment/change.
 2024-09-19 23:36:32 -07:00
Luke Parker
4f6d91037e Call flush_key 2024-09-19 23:36:32 -07:00
Luke Parker
8db76ed67c Add key management to the scheduler 2024-09-19 23:36:32 -07:00
Luke Parker
920303e1b4 Add helper to intake Eventualities 2024-09-19 23:36:32 -07:00
Luke Parker
9f4b28e5ae Clarify output-to-self to output-to-Serai 
There's only the requirement it's to an active key which is being reported for.
 2024-09-19 23:36:32 -07:00
Luke Parker
f9d02d43c2 Route burns through the scanner 2024-09-19 23:36:32 -07:00
Luke Parker
8ac501028d Add API to publish Batches with 
This doesn't have to be abstract, we can generate the message and use the
message-queue API, yet this should help with testing.
 2024-09-19 23:36:32 -07:00
Luke Parker
612c67c537 Cache the cost to aggregate 2024-09-19 23:36:32 -07:00
Luke Parker
04a971a024 Fill in various DB functions 2024-09-19 23:36:32 -07:00
Luke Parker
738636c238 Have Scanner::new spawn tasks 2024-09-19 23:36:32 -07:00
Luke Parker
65f3f48517 Add ReportDb 2024-09-19 23:36:32 -07:00
Luke Parker
7cc07d64d1 Make report.rs a folder, not a file 2024-09-19 23:36:32 -07:00
Luke Parker
fdfe520f9d Add ScanDb 2024-09-19 23:36:32 -07:00
Luke Parker
77ef25416b Make scan.rs a folder, not a file 2024-09-19 23:36:32 -07:00
Luke Parker
7c1025dbcb Implement key retiry 2024-09-19 23:36:32 -07:00
Luke Parker
a771fbe1c6 Logs, documentation, misc 2024-09-19 23:36:32 -07:00