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wrangler/src/soroban/soroban_env_utils.rs | 306 ++++ wrangler/src/soroban/soroban_vm.rs | 146 ++ wrangler/src/utils.rs | 25 + wrangler/wrangler.toml | 15 + 30 files changed, 3616 insertions(+) create mode 100644 .gitattributes create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 LICENSE create mode 100644 Makefile create mode 100644 README.md create mode 100644 game_engine.wasm create mode 100644 rust-toolchain.toml create mode 100644 wrangler/.dev.vars create mode 100644 wrangler/.gitignore create mode 100644 wrangler/Cargo.toml create mode 100644 wrangler/LICENSE create mode 100644 wrangler/README.md create mode 100644 wrangler/build.rs create mode 100644 wrangler/src/fca00c/embedded.rs create mode 100644 wrangler/src/fca00c/mod.rs create mode 100644 wrangler/src/fca00c/output.rs create mode 100644 wrangler/src/fca00c/response.rs create mode 100644 wrangler/src/fca00c/routes/mod.rs create mode 100644 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright 2023 Stellar Development Foundation + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. \ No newline at end of file diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..141c8ab --- /dev/null +++ b/Makefile @@ -0,0 +1,23 @@ +all: clean build + +install_wasm_opt: + cargo install wasm-opt + +build: install_worker_build + cd wrangler; worker-build --release + +install_worker_build: +# this version has a bug fix we require https://github.com/cloudflare/workers-rs/issues/255 + cargo install --git https://github.com/Smephite/workers-rs.git + +local: build + cd wrangler; wrangler dev --local + +dev: build + cd wrangler; wrangler dev + +clean: + cargo clean + +fmt: + cargo fmt --all \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..7e621b4 --- /dev/null +++ b/README.md @@ -0,0 +1 @@ +# Fast, Cheap & Out of Control diff --git a/game_engine.wasm b/game_engine.wasm new file mode 100644 index 0000000000000000000000000000000000000000..6a70354c3371e403038f4fc4de49c27b08952655 GIT binary patch literal 9690 zcmb7K4~$&Jd7qj0clX`;o)b*{2jh7U*FL8hOu=_<3e~->&psPN&Ihh&g>+tg>$~0C z+g*0|&Nd=_YSZ)*NrLV~m$RaG1~VnZpc!VupHrmf?@j9u~7R zsyB1km{Bug7E|~Fk}*qttejO{G!`HPGj+oNa~u^h>^-xjD@A2o?%z%+TBqfRN_BW`D#3L-L4!n7Lit(<3P&UhWmlBTBu(L}SqK zcepi+J|jw;8n+o5)S97aYCPf}(iJ3)d&V<&&z8p4c<>i?L z$;;gy^X>vYK64X`{E3inCRQw3+ltmsMMf+72Gm{NW-$MH${9M8}u)GDbY%y$CrKJBA`1enk=DAbjD^pF96IXU%|<@;O8*U~^;;0-C}K z=4n~(6lN+-7P;k}0zRUp3!eyl0aBMPzV*0C()JBd(@I_gB`3ZDS910)l8*0%td&)S z0>1W>_weB-hu~$xlEOF1QKZPPMn9d+^HaWswTb^}lhOY7Eg@_eBIz#rE~1UUGc*Ta zC3E;3-y_XvcF)5NIHF1BZb@@65CSGI%}Meu@G>hC$|G_@TIVD`HxoL_%$B6pWGEswNM0t5a>(~L2XZ7-DRS^NEQ4XJTnXY=S(zhw6EO-U3@k#UDUFE`bZu!2 zHUor$h#d$FxFAQo;lPDbD45cba##!R4Zys8$_BO}q*hJa%`!oNX>7*3(+7#E0bqF*1wB$^P$1jHx?n@XnY6o6st z`w0Su()O>zt__W73}P`;b7)C`m?$GQk^qUlUSs;##i5P({+lhFS%ZShV|*fnqxyD` zRT};y((t-4<2(5^!xUa&X)@!xKI~gbVVJQn<~T_MN9hztf1hz2^YP{a z>b%4V57?b}$NP*SRa11@0MrjHbf3&~SVZ(`Z6RJ_As%MEWLA2V+;OH1wIp6U4jNhy zN(YD&hP3zKd=6naq##T<>NugX2gf8KL#oPnP5(v`5hLkQ#|-UQ5tbHzmsSReeI4!U zAdEDt{A6v!{a^7jLAHyLD+t8am4w}da98MF8)4U98?g?;iu7X~c~@q=N8r=a=n+1` zq)BNReG@F8EgYg(Tt~r2R}pblLZJY_wPlF|QEzjZY>j$1z)rUbw~q$!Dlrj>=@9t7 z8Y0?OLp5{v1{5jYKN<+tg53HiEG`;wV(opXtth~M?(MJr-{;R?`r_lWfdiStgrNt~ z561<24(!+(xXK`Xh7X{GlR!rZ>&l5}4V;Jy4Jk;T(4k12h^OwZ7)r@g9~#90P=Fmq zLu-4*1Jw442hr?6r3CE~FMPo?;XtVIcIi^@PVysZz=052dc+;zNe+ZW)+2TYHZ}K$ z)*{T#A_ubQVA3Q9vIbCVNoOW>69|0s6P+Mn|LqHw>RJiVexkKO#0{1r% z%ne0e90U{ES@+4I0c@3ok^CbZA2{<@{_5hz`RCtd!%(=$KlOuu-GsfOH~;-7ZatWT z=_r(qdK$nd|Jpy8Lom@Rzu+Fs*&6%FuRs0{*DJpF2{D{QrN7PS@%@~OIx!LfPsR@F z#0ceMGPY4DMyT_WvDIaIk<}iXs1_r;JvLC;L{2)^rB1|C097yyPC;cq-39ikIwATJ zs(zGTV1uMB`53&7zU~z6DCV`fzmerEk?#}l4-Z|6vi;&Fsliu z`2gc~rZV%lVQj|it%Q*s1DqHDo{=t!bZX(z-^DUXO6yp>&uTDV3Wi~cM-ijN@8wjz zf0p~*>v0d$BoR=$NHwaiUWe1h)p|_w6;0Aw299-`Sq9cIB61_7CnBnS4~c3GjUH24 zhm4?+EG1|ES0N&5x9X(rZ;2DXw3iXq86QDw$?l}9^qRN4*9FWINe5o9E~=DDn7=vUkw@gxYp&>d>lAFaF+NuOMM&@v5#vM<>Lw%`*^%k`?#J+ zd>ofk?c-q4;p6ZtJ&t`m9mhVNj$~$bdqT7pmdAv91h};H3Yb5A)|s6X~i0T7%`PEqKi4ys58(7Dp7=222@YglE0B4F%9rK)MEU8c3j$~a@@QXplY;~cS)2P%)69D zU1uiOHJw>?xC!k?XczY$KZv`v6IeYN~e zflH4g0{a?u$|Ck*c7{{N>7@%2##BC|_+rs(#4*CC*M6;{*@D%82fRimo<_ zQ(UpsqP>Q4I~CGy$Xg^#R(J3jQcluAMG!fSm^zgryVR14NfR4<4aa zu)-&>f%l~XTzWes)jxoe3ygMmFwz<@-=79>tM4GY3(iJl?^I;5b#($%aZv42uf*_u zDFDv`I{55Bpe89T6dwO9lRr$|Zr9vH^jyfs12z}{9SC1~*t-tmCp>Ck zTzx0URZ0c=5C#g?IsKT2A=&`L@mJ~H=?6WuzqNhF90U@JNEPM`u?$Ju=`73%m6A#P zIGJi~4B}_X!z9vepo3Bx)~9YdDS#p2#LxL)>?l`yB3<_+d5R9&&Qn5HGCL8=)H&!` zg4l;=cDlg9^OCgUrTbKLis~MnROxBgRkP}Qc;2k<&HZJ%xZtombmZ)TZS;s8NHoeM zguhYrQ_k%XxUTewoBd5-4@-nB&9*F2|G*>@SuVNd>;i3d%h{FQatsotv0RvbXmkn_ zgQddU<@@W^m2{hdF48x4fu|ik=_Mh06;GuQFZMy?D{ljIzv!Q!5`z-VBkCPX^i@?O zs*GaJ#FC4180rFDo&?}BjoJ})!nD7IcuxCU6P>Wgya()JRj|mKXlo;;o~KeLZ=tf` z9w-! 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(If user is authenticated but not ranked within `limit` they will appear in the array at index `limit+1` but their `rank` may be different.) + +```json +[ + { + "bucket_id": 0, + "task_id": 0, + "CPU": 611943909, + "MEM": 39894755, + "SIZE": 4786, + "submission_date": 1675177622546, + "interface_version": 27, + "rank": 1, + "anon_index": 5, + "display": null, + "profile_url": null, + "live": true, + "improved": false, + "me" : false + }, + { + "bucket_id": 0, + "task_id": 0, + "CPU": 1090785050, + "MEM": 66043230, + "SIZE": 5044, + "submission_date": 1675380354090, + "interface_version": 27, + "rank": 2, + "anon_index": 6, + "display": null, + "profile_url": null, + "live": true, + "improved": false, + "me": true + }, + { + "bucket_id": 0, + "task_id": 0, + "CPU": 393119176, + "MEM": 15825415, + "SIZE": 806, + "submission_date": 1675391611277, + "interface_version": 27, + "rank": 3, + "anon_index": 7, + "display": "Hello world", + "profile_url": "https://stellar.org", + "live": true, + "improved": false, + "me": false + } +] +``` + +### GET `/personal?task=&bucket=&live=` +Required authorization. + +`live` is optional and used to filter the leaderboard results. If not specified no filtering will occur. + +`task` and `bucket` are as defined above. +`live` will filter for submission done during the 'live' phase of the task. + +This endpoint will return only the personal positions in the leaderboard. + +The structure of the result will be a single `LeaderboardEntry` as defined above. +```json +{ + "bucket_id": 0, + "task_id": 0, + "CPU": 1090785050, + "MEM": 66043230, + "SIZE": 5044, + "submission_date": 1675380354090, + "interface_version": 27, + "rank": 2, + "anon_index": 0, + "display": null, + "profile_url": null, + "live": true, + "improved": false, + "me" : true +} +``` +NOTE: In the `/personal` endpoint `me` will always be true. + +## Structure +The `lib.rs` is the handler of the incoming worker request and delegates it to the coresponding function in `fca00c:router`. +If the function is `submit` it will take the given taksID and look up the verify function to execute within the `fca00c:mod.rs` +Tasks are registered modually such that the package `fca00c:tasks:` will include all checks required for each task. +A new task may be registered by implementing the trait `fca00c:tasks:Task` for any struct (typically just a `pub struct TaskName;`). +To register a task add it to the `setup` function in `fca00c:tasks:mod.rs`. diff --git a/wrangler/build.rs b/wrangler/build.rs new file mode 100644 index 0000000..3aa64b9 --- /dev/null +++ b/wrangler/build.rs @@ -0,0 +1,66 @@ +use std::{ + env, + fs::{self, OpenOptions}, + io::Write, + path::Path, +}; + +const WASM_PATH: &str = "../"; + +fn main() { + println!("cargo:rerun-if-changed=build.rs"); + + delete_old(); + + embedd_contract("ASTEROIDS_ENGINE", "game_engine.wasm"); +} + +fn delete_old() { + let out_dir = env::var_os("OUT_DIR").unwrap(); + let contracts_path = Path::new(&out_dir).join("embedded_contracts.rs"); + let html_path = Path::new(&out_dir).join("embedded_html.rs"); + let _ = fs::remove_file(contracts_path); + let _ = fs::remove_file(html_path); +} + +fn embedd_contract(var_name: &str, wasm_file_name: &str) { + let wasm_path = Path::new(&WASM_PATH).join(wasm_file_name); + + println!("cargo:rerun-if-changed={wasm_path:?}"); + + let out_dir = env::var_os("OUT_DIR").unwrap(); + let dest_path = Path::new(&out_dir).join("embedded_contracts.rs"); + + let raw_wasm = fs::read(&wasm_path); + + if let Err(e) = raw_wasm { + eprintln!("Error reading WASM file {wasm_path:?}! {e:?}"); + } else if let Ok(wasm) = raw_wasm { + let wasm_as_string = wasm + .clone() + .into_iter() + .map(|i| format!("0x{i:X},")) + .collect::(); + + let new_line = format!( + "pub const {} : [u8; {}] = [{}];", + var_name, + wasm.len(), + wasm_as_string + ); + + //mkdirs + if !dest_path.exists() { + let _ = fs::write(&dest_path, ""); + } + + let mut file = OpenOptions::new() + .write(true) + .append(true) + .open(&dest_path) + .unwrap(); + if let Err(e) = writeln!(file, "{new_line}") { + eprintln!("Failed to embed {wasm_file_name} from wasm! {e:?}"); + } + } +} diff --git a/wrangler/src/fca00c/embedded.rs b/wrangler/src/fca00c/embedded.rs new file mode 100644 index 0000000..ad191df --- /dev/null +++ b/wrangler/src/fca00c/embedded.rs @@ -0,0 +1,4 @@ +// The content of these two mods is created on compile time (build.rs) +pub mod contracts { + include!(concat!(env!("OUT_DIR"), "/embedded_contracts.rs")); +} diff --git a/wrangler/src/fca00c/mod.rs b/wrangler/src/fca00c/mod.rs new file mode 100644 index 0000000..c78ca9f --- /dev/null +++ b/wrangler/src/fca00c/mod.rs @@ -0,0 +1,28 @@ +use std::collections::HashMap; + +use self::tasks::Task; + +pub mod embedded; +pub mod routes; + +pub mod response; +pub mod tasks; +#[derive(Default, Clone)] +pub struct TaskRegistry<'a> { + map: HashMap, + pub debug: bool, +} + +impl<'a> TaskRegistry<'a> { + pub fn register_task(&mut self, task_id: u64, task: &'a dyn Task) { + self.map.insert(task_id, task); + } + + pub fn get_task(&self, task_id: &u64) -> Option<&dyn Task> { + self.map.get(task_id).copied() + } +} + +pub fn setup(reg: &mut TaskRegistry) { + tasks::setup(reg); +} diff --git a/wrangler/src/fca00c/output.rs b/wrangler/src/fca00c/output.rs new file mode 100644 index 0000000..78cc888 --- /dev/null +++ b/wrangler/src/fca00c/output.rs @@ -0,0 +1,42 @@ +use serde::Serialize; + +pub type BasicJsonResponse = JsonResponse; + +#[derive(Debug, Serialize)] +pub struct JsonResponse +where + T: Serialize, + K: Serialize, +{ + message: T, + status: u16, + opt: Option, +} + +impl JsonResponse { + pub fn new(message: T, status: u16) -> Self { + Self { + message, + status, + opt: None, + } + } + + pub fn with_opt(mut self, opt: K) -> Self { + self.opt = Some(opt); + self + } +} + +impl From> for worker::Result { + fn from(value: JsonResponse) -> Self { + Ok(worker::Response::from_json(&value)?.with_status(value.status)) + } +} + +impl TryFrom> for worker::Response { + type Error = worker::Error; + fn try_from(value: JsonResponse) -> Result { + Ok(worker::Response::from_json(&value)?.with_status(value.status)) + } +} diff --git a/wrangler/src/fca00c/response.rs b/wrangler/src/fca00c/response.rs new file mode 100644 index 0000000..78cc888 --- /dev/null +++ b/wrangler/src/fca00c/response.rs @@ -0,0 +1,42 @@ +use serde::Serialize; + +pub type BasicJsonResponse = JsonResponse; + +#[derive(Debug, Serialize)] +pub struct JsonResponse +where + T: Serialize, + K: Serialize, +{ + message: T, + status: u16, + opt: Option, +} + +impl JsonResponse { + pub fn new(message: T, status: u16) -> Self { + Self { + message, + status, + opt: None, + } + } + + pub fn with_opt(mut self, opt: K) -> Self { + self.opt = Some(opt); + self + } +} + +impl From> for worker::Result { + fn from(value: JsonResponse) -> Self { + Ok(worker::Response::from_json(&value)?.with_status(value.status)) + } +} + +impl TryFrom> for worker::Response { + type Error = worker::Error; + fn try_from(value: JsonResponse) -> Result { + Ok(worker::Response::from_json(&value)?.with_status(value.status)) + } +} diff --git a/wrangler/src/fca00c/routes/mod.rs b/wrangler/src/fca00c/routes/mod.rs new file mode 100644 index 0000000..ebe0c42 --- /dev/null +++ b/wrangler/src/fca00c/routes/mod.rs @@ -0,0 +1 @@ +pub mod submit; \ No newline at end of file diff --git a/wrangler/src/fca00c/routes/submit.rs b/wrangler/src/fca00c/routes/submit.rs new file mode 100644 index 0000000..08c4d3c --- /dev/null +++ b/wrangler/src/fca00c/routes/submit.rs @@ -0,0 +1,78 @@ +use std::collections::HashMap; + +use crate::{ + fca00c::{ + response::{BasicJsonResponse, JsonResponse}, + tasks::TaskResult, + TaskRegistry, + }, + utils::Flatten, +}; +use serde::Serialize; +use worker::{Request, Response, RouteContext}; + +pub async fn handle( + mut req: Request, + ctx: RouteContext>, +) -> Result { + // extract task + let get_query: HashMap<_, _> = req.url()?.query_pairs().into_owned().collect(); + + let task = get_query + .get("task") + .and_then(|b| b.parse::().flatten()); + + if task.is_none() { + return BasicJsonResponse::new("No integer value specified for `task`", 400).into(); + } + + let task = task.unwrap(); + let task_impl = ctx.data.get_task(&task); + + let incoming_raw = req.bytes().await; + + if incoming_raw.is_err() { + return BasicJsonResponse::new("Error reading submitted data in body", 400).into(); + }; + + let data = incoming_raw.unwrap(); + + // validate WASM magic word + if data.len() <= 4 + || !(data[0] == 0x00 && data[1] == 0x61 && data[2] == 0x73 && data[3] == 0x6d) + { + return BasicJsonResponse::new("Submitted data does not contain valid WASM code", 400) + .into(); + } + + // validate task + let task_impl = task_impl.unwrap(); + + let result = task_impl.solve(&data, &req, &ctx); + + if let Err(err) = result { + return err; + } + + let result = result.unwrap(); + + if let Some(result) = result { + #[derive(Serialize)] + struct Resp { + submission: TaskResult, + } + + // task completed sucessfully + return JsonResponse::new("Successfully completed challenge", 200) + .with_opt(Resp { + submission: result, + }) + .into(); + } + + BasicJsonResponse::new( + "Successfully completed challenge. Data was not stored", + 200, + ) + .into() +} diff --git a/wrangler/src/fca00c/tasks/asteroids.rs b/wrangler/src/fca00c/tasks/asteroids.rs new file mode 100644 index 0000000..02e875e --- /dev/null +++ b/wrangler/src/fca00c/tasks/asteroids.rs @@ -0,0 +1,174 @@ +use soroban_env_host::{ + budget::Budget, + xdr::{ScVal, WriteXdr}, +}; +use worker::{Request, Response, RouteContext}; + +use crate::{ + fca00c::{ + embedded::contracts, + response::{BasicJsonResponse, JsonResponse}, + TaskRegistry, + }, + soroban::{ + helpers::{contract_id, ScValHelper}, + soroban_env_utils, soroban_vm, + }, +}; + +use super::TaskResult; +use base64::Engine as _; + +pub struct Asteroids; + +impl super::Task for Asteroids { + fn solve( + &self, + raw_wasm: &[u8], + _: &Request, + ctx: &RouteContext>, + ) -> Result, Result> { + let exec_time = chrono::Utc::now().timestamp_millis(); + let engine_id = contract_id!(0); + + let mut state = soroban_env_utils::empty_ledger_snapshot(); + let deploy_engine_result = + soroban_vm::deploy(&contracts::ASTEROIDS_ENGINE, &engine_id, &mut state); + + if deploy_engine_result.is_err() { + return Err(BasicJsonResponse::new("Error deploying game engine contract", 500).into()); + } + + let seed = ctx + .env + .var("ASTEROIDS_SEED") + .map(|b| b.to_string().parse::().ok()) + .unwrap_or(None); + + if seed.is_none() { + return Err(BasicJsonResponse::new( + "Failed to initialize game engine contract: No or invalid seed was set!", + 500, + ) + .into()); + } + + // engine.rs is defines init(..) as: + // move_step: u32, + // laser_range: u32, + // seed: u64, + // view_range: u32, + // fuel: (u32, u32, u32, u32), + // asteroid_reward: u32, + // asteroid_density: u32, + // pod_density: u32, + + let engine_init_args: Vec = vec![ + 1u32.into(), + 3u32.into(), + seed.into(), + 16u32.into(), + // the unwrap() here is not nice but it _should_ work + // tuples are stored as ScVecs + ScValHelper::try_from(vec![50u32, 5u32, 2u32, 1u32]) + .unwrap() + .into(), + 1u32.into(), + 6u32.into(), + 2u32.into(), + ]; + + let engine_init_result = + soroban_vm::invoke(&engine_id, "init", &engine_init_args, &mut state); + + if let Err(e) = engine_init_result { + return Err(JsonResponse::new("Failed to initialize game engine", 500) + .with_opt(e.to_string()) + .into()); + } + + let solution_id = contract_id!(1); + + let solution_deploy_result = soroban_vm::deploy(raw_wasm, &solution_id, &mut state); + + if let Err(e) = solution_deploy_result { + return Err(JsonResponse::new("Failed to deploy user contract", 500) + .with_opt(e.to_string()) + .into()); + } + + let cpu_limit: u64 = ctx + .env + .var("SOROBAN_CPU_BUDGET") + .map(|b| b.to_string().parse::().ok()) + .unwrap_or(None) + .unwrap_or(u64::MAX); + + let advanced_budget = Budget::default(); + advanced_budget.reset_limits(cpu_limit, u64::MAX); + //advanced_budget.reset_unlimited(); + + let solution_solve_result = soroban_vm::invoke_with_budget( + &solution_id, + "solve", + &[ScValHelper::from(engine_id).into()], + &mut state, + Some(advanced_budget), + ); + + if let Err(e) = solution_solve_result { + let msg = e.to_string(); + + if msg.contains("LimitExceeded") { + // over the budgt + return Err(BasicJsonResponse::new("User contract exceeded budget", 400).into()); + } + + // This error is most likely the users fault... + return Err( + JsonResponse::new("Failed to call solve on user contract", 400) + .with_opt(e.to_string()) + .into(), + ); + } + let (_user_solve_result, (_user_solve_storage, user_solve_budget, _user_solve_events)) = + solution_solve_result.unwrap(); + + let points_req = soroban_vm::invoke(&engine_id, "p_points", &[], &mut state).unwrap(); + let fuel_req = soroban_vm::invoke(&engine_id, "p_fuel", &[], &mut state).unwrap(); + let pos_req = soroban_vm::invoke(&engine_id, "p_pos", &[], &mut state).unwrap(); + + let cpu_count = user_solve_budget.get_cpu_insns_count(); + let mem_count = user_solve_budget.get_mem_bytes_count(); + + if let ScVal::U32(i) = points_req.0 { + if i < 100u32 { + return Err(BasicJsonResponse::new( + "User did not solve challenge! (points!=100)", + 400, + ) + .into()); + } + } else { + return Err(BasicJsonResponse::new("Unable to parse final score!", 500).into()); + } + + let mut results = vec![]; + + for val in vec![_user_solve_result, points_req.0, fuel_req.0, pos_req.0] { + let mut buf = Vec::new(); + let _ = val.write_xdr(&mut buf); + results.push(base64::engine::general_purpose::STANDARD.encode(&buf)); + } + + Ok(Some(TaskResult { + mem: mem_count, + cpu: cpu_count, + size: raw_wasm.len() as u64, + submission_time: exec_time, + result_xdr: results, + opt: vec![], + interface_version: soroban_env_host::meta::INTERFACE_VERSION, // TODO, + })) + } +} diff --git a/wrangler/src/fca00c/tasks/mod.rs b/wrangler/src/fca00c/tasks/mod.rs new file mode 100644 index 0000000..aaf30bc --- /dev/null +++ b/wrangler/src/fca00c/tasks/mod.rs @@ -0,0 +1,35 @@ +pub mod asteroids; + +use serde::{Deserialize, Serialize}; +use worker::{Request, Response, RouteContext}; + +use self::asteroids::Asteroids; + +use super::TaskRegistry; + +pub fn setup(reg: &mut TaskRegistry) { + // register future tasks here! + reg.register_task(0, &Asteroids); +} + +pub trait Task { + fn solve( + &self, + raw_wasm: &[u8], + req: &Request, + ctx: &RouteContext>, + ) -> Result, Result>; +} + +#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize)] +pub struct TaskResult { + pub mem: u64, + pub cpu: u64, + pub size: u64, + pub submission_time: i64, + pub interface_version: u64, + #[serde(skip)] + pub result_xdr: Vec, + #[serde(skip)] + pub opt: Vec, +} diff --git a/wrangler/src/lib.rs b/wrangler/src/lib.rs new file mode 100644 index 0000000..e63b89d --- /dev/null +++ b/wrangler/src/lib.rs @@ -0,0 +1,49 @@ +use fca00c::TaskRegistry; +use worker::{console_log, event, Cors, Date, Env, Method, Request, Response, Result, Router}; + +mod fca00c; +mod soroban; +mod utils; + +fn log_request(req: &Request) { + console_log!( + "{} - [{}], located at: {:?}, within: {}", + Date::now().to_string(), + req.path(), + req.cf().coordinates().unwrap_or_default(), + req.cf().region().unwrap_or_else(|| "unknown region".into()) + ); +} + +#[event(fetch, respond_with_errors)] +pub async fn main(req: Request, env: Env, _ctx: worker::Context) -> Result { + let mut task_reg = TaskRegistry::default(); + + fca00c::setup(&mut task_reg); + + task_reg.debug = matches!( + env.var("ENVIRONMENT")?.to_string().as_str(), + "local" | "dev" + ); + + log_request(&req); + + // Optionally, get more helpful error messages written to the console in the case of a panic. + utils::set_panic_hook(); + + let mut router = Router::with_data(task_reg.clone()); + router = router + .options("/submit", |_req, _ctx| Response::empty()) + .post_async("/submit", fca00c::routes::submit::handle); + + let cors = Cors::new() + .with_allowed_headers(["*"]) + .with_origins(["*"]) + .with_max_age(86400) + .with_methods([Method::Get, Method::Post, Method::Options]); + + router + .run(req, env) + .await + .and_then(|success| success.with_cors(&cors)) +} diff --git a/wrangler/src/soroban/helpers.rs b/wrangler/src/soroban/helpers.rs new file mode 100644 index 0000000..d7846ea --- /dev/null +++ b/wrangler/src/soroban/helpers.rs @@ -0,0 +1,87 @@ +use soroban_env_host::xdr::{BytesM, Error, ScObject, ScVal, ScVec}; + +// create [u8; 32] from single u64, first 24 entires will be zero. +macro_rules! contract_id { + ($num:expr) => { + [ + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + (($num as u64) >> (8 * 7) & 0xff) as u8, + (($num as u64) >> (8 * 6) & 0xff) as u8, + (($num as u64) >> (8 * 5) & 0xff) as u8, + (($num as u64) >> (8 * 4) & 0xff) as u8, + (($num as u64) >> (8 * 3) & 0xff) as u8, + (($num as u64) >> (8 * 2) & 0xff) as u8, + (($num as u64) >> (8 * 1) & 0xff) as u8, + (($num as u64) >> (8 * 0) & 0xff) as u8, + ] + }; +} + +pub(crate) use contract_id; + +pub struct ScValHelper(ScVal); + +impl From for ScValHelper { + fn from(value: ScVal) -> Self { + ScValHelper(value) + } +} + +impl From for ScVal { + fn from(value: ScValHelper) -> Self { + value.0 + } +} + +// BytesN<32> + +impl From<[u8; 32]> for ScValHelper { + fn from(value: [u8; 32]) -> Self { + ScVal::Object(Some(ScObject::Bytes( + BytesM::try_from(value.to_vec()).unwrap(), + ))) + .into() + } +} + +impl TryFrom> for ScValHelper +where + T: Into + Clone, +{ + type Error = soroban_env_host::xdr::Error; + fn try_from(value: Vec) -> Result + where + T: Into + Clone, + { + let v = value + .iter() + .map(move |b| b.to_owned().into()) + .collect::>(); + Ok(ScValHelper(ScVal::Object(Some(ScObject::Vec( + ScVec::try_from(v)?, + ))))) + } +} diff --git a/wrangler/src/soroban/mod.rs b/wrangler/src/soroban/mod.rs new file mode 100644 index 0000000..5ca6b1d --- /dev/null +++ b/wrangler/src/soroban/mod.rs @@ -0,0 +1,3 @@ +pub mod helpers; +pub mod soroban_env_utils; +pub mod soroban_vm; diff --git a/wrangler/src/soroban/soroban_env_utils.rs b/wrangler/src/soroban/soroban_env_utils.rs new file mode 100644 index 0000000..a1df6a8 --- /dev/null +++ b/wrangler/src/soroban/soroban_env_utils.rs @@ -0,0 +1,306 @@ +// https://github.com/stellar/soroban-tools/blob/baa984478214a32b714a2206fed500cb91e0209b/cmd/soroban-cli/src/utils.rs +#![allow(dead_code)] +use std::{io::ErrorKind, path::Path}; + +use ed25519_dalek::Signer; +use hex::FromHexError; +use sha2::{Digest, Sha256}; +use soroban_env_host::{ + budget::Budget, + storage::{AccessType, Footprint, Storage}, + xdr::{ + AccountEntry, AccountEntryExt, AccountId, ContractCodeEntry, ContractDataEntry, + DecoratedSignature, Error as XdrError, ExtensionPoint, Hash, InstallContractCodeArgs, + LedgerEntry, LedgerEntryData, LedgerEntryExt, LedgerFootprint, LedgerKey, + LedgerKeyContractCode, LedgerKeyContractData, ScContractCode, ScObject, ScSpecEntry, + ScStatic, ScVal, SequenceNumber, Signature, SignatureHint, StringM, Thresholds, + Transaction, TransactionEnvelope, TransactionSignaturePayload, + TransactionSignaturePayloadTaggedTransaction, TransactionV1Envelope, VecM, WriteXdr, + }, +}; +use soroban_ledger_snapshot::LedgerSnapshot; +use soroban_spec::read::FromWasmError; +use stellar_strkey::ed25519::PrivateKey; + +pub static SANDBOX_NETWORK_PASSPHRASE: &str = "Local Sandbox Stellar Network ; September 2022"; + +pub fn empty_ledger_snapshot() -> LedgerSnapshot { + LedgerSnapshot { + ..Default::default() + } +} + +/// # Errors +/// +/// Might return an error +pub fn contract_hash(contract: &[u8]) -> Result { + let args_xdr = InstallContractCodeArgs { + code: contract.try_into()?, + } + .to_xdr()?; + Ok(Hash(Sha256::digest(args_xdr).into())) +} + +/// # Errors +/// +/// Might return an error +pub fn ledger_snapshot_read_or_default( + p: impl AsRef, +) -> Result { + match LedgerSnapshot::read_file(p) { + Ok(snapshot) => Ok(snapshot), + Err(soroban_ledger_snapshot::Error::Io(e)) if e.kind() == ErrorKind::NotFound => { + Ok(LedgerSnapshot { + ..Default::default() + }) + } + Err(e) => Err(e), + } +} + +/// # Errors +/// +/// Might return an error +pub fn add_contract_code_to_ledger_entries( + entries: &mut Vec<(Box, Box)>, + contract: Vec, +) -> Result { + // Install the code + let hash = contract_hash(contract.as_slice())?; + let code_key = LedgerKey::ContractCode(LedgerKeyContractCode { hash: hash.clone() }); + let code_entry = LedgerEntry { + last_modified_ledger_seq: 0, + data: LedgerEntryData::ContractCode(ContractCodeEntry { + code: contract.try_into()?, + ext: ExtensionPoint::V0, + hash: hash.clone(), + }), + ext: LedgerEntryExt::V0, + }; + for (k, e) in entries.iter_mut() { + if **k == code_key { + **e = code_entry; + return Ok(hash); + } + } + entries.push((Box::new(code_key), Box::new(code_entry))); + Ok(hash) +} + +pub fn add_contract_to_ledger_entries( + entries: &mut Vec<(Box, Box)>, + contract_id: [u8; 32], + wasm_hash: [u8; 32], +) { + // Create the contract + let contract_key = LedgerKey::ContractData(LedgerKeyContractData { + contract_id: contract_id.into(), + key: ScVal::Static(ScStatic::LedgerKeyContractCode), + }); + + let contract_entry = LedgerEntry { + last_modified_ledger_seq: 0, + data: LedgerEntryData::ContractData(ContractDataEntry { + contract_id: contract_id.into(), + key: ScVal::Static(ScStatic::LedgerKeyContractCode), + val: ScVal::Object(Some(ScObject::ContractCode(ScContractCode::WasmRef(Hash( + wasm_hash, + ))))), + }), + ext: LedgerEntryExt::V0, + }; + for (k, e) in entries.iter_mut() { + if **k == contract_key { + **e = contract_entry; + return; + } + } + entries.push((Box::new(contract_key), Box::new(contract_entry))); +} + +/// # Errors +/// +/// Might return an error +pub fn padded_hex_from_str(s: &String, n: usize) -> Result, FromHexError> { + let mut decoded = vec![0u8; n]; + let padded = format!("{s:0>width$}", width = n * 2); + hex::decode_to_slice(padded, &mut decoded)?; + Ok(decoded) +} + +/// # Errors +/// +/// Might return an error +pub fn transaction_hash(tx: &Transaction, network_passphrase: &str) -> Result<[u8; 32], XdrError> { + let signature_payload = TransactionSignaturePayload { + network_id: Hash(Sha256::digest(network_passphrase).into()), + tagged_transaction: TransactionSignaturePayloadTaggedTransaction::Tx(tx.clone()), + }; + Ok(Sha256::digest(signature_payload.to_xdr()?).into()) +} + +/// # Errors +/// +/// Might return an error +pub fn sign_transaction( + key: &ed25519_dalek::Keypair, + tx: &Transaction, + network_passphrase: &str, +) -> Result { + let tx_hash = transaction_hash(tx, network_passphrase)?; + let tx_signature = key.sign(&tx_hash); + + let decorated_signature = DecoratedSignature { + hint: SignatureHint(key.public.to_bytes()[28..].try_into()?), + signature: Signature(tx_signature.to_bytes().try_into()?), + }; + + Ok(TransactionEnvelope::Tx(TransactionV1Envelope { + tx: tx.clone(), + signatures: vec![decorated_signature].try_into()?, + })) +} + +/// # Errors +/// +/// Might return an error +pub fn id_from_str(contract_id: &String) -> Result<[u8; N], FromHexError> { + padded_hex_from_str(contract_id, N)? + .try_into() + .map_err(|_| FromHexError::InvalidStringLength) +} + +/// # Errors +/// +/// Might return an error +pub fn get_contract_spec_from_storage( + storage: &mut Storage, + contract_id: [u8; 32], +) -> Result, FromWasmError> { + let key = LedgerKey::ContractData(LedgerKeyContractData { + contract_id: contract_id.into(), + key: ScVal::Static(ScStatic::LedgerKeyContractCode), + }); + if let Ok(LedgerEntry { + data: + LedgerEntryData::ContractData(ContractDataEntry { + val: ScVal::Object(Some(ScObject::ContractCode(c))), + .. + }), + .. + }) = storage.get(&key, &Budget::default()) + { + match c { + ScContractCode::Token => unimplemented!(), + ScContractCode::WasmRef(hash) => { + if let Ok(LedgerEntry { + data: LedgerEntryData::ContractCode(ContractCodeEntry { code, .. }), + .. + }) = storage.get( + &LedgerKey::ContractCode(LedgerKeyContractCode { hash }), + &Budget::default(), + ) { + soroban_spec::read::from_wasm(&code) + } else { + Err(FromWasmError::NotFound) + } + } + } + } else { + Err(FromWasmError::NotFound) + } +} + +/// # Errors +/// +/// Might return an error +pub fn vec_to_hash(res: &ScVal) -> Result { + if let ScVal::Object(Some(ScObject::Bytes(res_hash))) = &res { + let mut hash_bytes: [u8; 32] = [0; 32]; + for (i, b) in res_hash.iter().enumerate() { + hash_bytes[i] = *b; + } + Ok(hex::encode(hash_bytes)) + } else { + Err(XdrError::Invalid) + } +} + +/// # Panics +/// +/// May panic +#[must_use] +pub fn create_ledger_footprint(footprint: &Footprint) -> LedgerFootprint { + let mut read_only: Vec = vec![]; + let mut read_write: Vec = vec![]; + let Footprint(m) = footprint; + for (k, v) in m { + let dest = match v { + AccessType::ReadOnly => &mut read_only, + AccessType::ReadWrite => &mut read_write, + }; + dest.push((**k).clone()); + } + LedgerFootprint { + read_only: read_only.try_into().unwrap(), + read_write: read_write.try_into().unwrap(), + } +} + +#[must_use] +pub fn default_account_ledger_entry(account_id: AccountId) -> LedgerEntry { + // TODO: Consider moving the definition of a default account ledger entry to + // a location shared by the SDK and CLI. The SDK currently defines the same + // value (see URL below). There's some benefit in only defining this once to + // prevent the two from diverging, which would cause inconsistent test + // behavior between the SDK and CLI. A good home for this is unclear at this + // time. + // https://github.com/stellar/rs-soroban-sdk/blob/b6f9a2c7ec54d2d5b5a1e02d1e38ae3158c22e78/soroban-sdk/src/accounts.rs#L470-L483. + LedgerEntry { + data: LedgerEntryData::Account(AccountEntry { + account_id, + balance: 0, + flags: 0, + home_domain: StringM::default(), + inflation_dest: None, + num_sub_entries: 0, + seq_num: SequenceNumber(0), + thresholds: Thresholds([1; 4]), + signers: VecM::default(), + ext: AccountEntryExt::V0, + }), + last_modified_ledger_seq: 0, + ext: LedgerEntryExt::V0, + } +} + +/// # Errors +/// May not find a config dir +pub fn find_config_dir(mut pwd: std::path::PathBuf) -> std::io::Result { + let soroban_dir = |p: &std::path::Path| p.join(".soroban"); + while !soroban_dir(&pwd).exists() { + if !pwd.pop() { + return Err(std::io::Error::new( + std::io::ErrorKind::Other, + "soroban directory not found", + )); + } + } + Ok(soroban_dir(&pwd)) +} + +pub(crate) fn into_key_pair( + key: &PrivateKey, +) -> Result { + let secret = ed25519_dalek::SecretKey::from_bytes(&key.0)?; + let public = (&secret).into(); + Ok(ed25519_dalek::Keypair { secret, public }) +} + +/// Used in tests +#[allow(unused)] +pub(crate) fn parse_secret_key( + s: &str, +) -> Result { + into_key_pair(&PrivateKey::from_string(s).unwrap()) +} diff --git a/wrangler/src/soroban/soroban_vm.rs b/wrangler/src/soroban/soroban_vm.rs new file mode 100644 index 0000000..4956247 --- /dev/null +++ b/wrangler/src/soroban/soroban_vm.rs @@ -0,0 +1,146 @@ +use std::rc::Rc; + +use soroban_env_host::{ + budget::Budget, + events::Events, + storage::Storage, + xdr::{ + AccountEntry, AccountEntryExt, AccountId, HostFunction, LedgerEntry, LedgerEntryData, + LedgerEntryExt, LedgerKey, LedgerKeyAccount, PublicKey, ScHostStorageErrorCode, ScObject, + ScStatus, ScVal, ScVec, SequenceNumber, StringM, Thresholds, Uint256, VecM, + }, + Host, HostError, +}; + +use super::soroban_env_utils; + +pub fn deploy( + src: &[u8], + contract_id: &[u8; 32], + state: &mut soroban_ledger_snapshot::LedgerSnapshot, +) -> Result<(), soroban_env_host::xdr::Error> { + let wasm_hash = soroban_env_utils::add_contract_code_to_ledger_entries( + &mut state.ledger_entries, + src.to_vec(), + )? + .0; + + soroban_env_utils::add_contract_to_ledger_entries( + &mut state.ledger_entries, + *contract_id, + wasm_hash, + ); + + Ok(()) +} + +pub fn invoke( + contract_id: &[u8; 32], + fn_name: &str, + args: &[ScVal], + state: &mut soroban_ledger_snapshot::LedgerSnapshot, +) -> Result<(ScVal, (Storage, Budget, Events)), Error> { + invoke_with_budget(contract_id, fn_name, args, state, None) +} + +pub fn invoke_with_budget( + contract_id: &[u8; 32], + fn_name: &str, + args: &[ScVal], + state: &mut soroban_ledger_snapshot::LedgerSnapshot, + budget: Option, +) -> Result<(ScVal, (Storage, Budget, Events)), Error> { + let budget = if let Some(b) = budget { + b + } else { + Budget::default() + }; + + // Create source account, adding it to the ledger if not already present. + let source_account = AccountId(PublicKey::PublicKeyTypeEd25519(Uint256( + stellar_strkey::ed25519::PublicKey::from_string( + "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAWHF", + ) + .unwrap() + .0, + ))); + let source_account_ledger_key = LedgerKey::Account(LedgerKeyAccount { + account_id: source_account.clone(), + }); + if !state + .ledger_entries + .iter() + .any(|(k, _)| **k == source_account_ledger_key) + { + state.ledger_entries.push(( + Box::new(source_account_ledger_key), + Box::new(default_account_ledger_entry(source_account.clone())), + )); + } + + let snap = Rc::new(state.clone()); + let storage = Storage::with_recording_footprint(snap); + + let h = Host::with_storage_and_budget(storage, budget); + h.set_source_account(source_account); + + let mut ledger_info = state.ledger_info(); + ledger_info.sequence_number += 1; + ledger_info.timestamp += 5; + h.set_ledger_info(ledger_info); + + let mut complete_args = vec![ + ScVal::Object(Some(ScObject::Bytes(contract_id.try_into().unwrap()))), + ScVal::Symbol(fn_name.try_into().unwrap()), + ]; + + complete_args.append(&mut args.to_vec()); + + //todo add arguments + + let host_function_params: ScVec = complete_args.try_into().unwrap(); + + let res = h.invoke_function(HostFunction::InvokeContract(host_function_params))?; + + state.update(&h); + + let (storage, budget, events) = h.try_finish().map_err(|_h| { + HostError::from(ScStatus::HostStorageError( + ScHostStorageErrorCode::UnknownError, + )) + })?; + + Ok((res, (storage, budget, events))) +} + +#[derive(thiserror::Error, Debug)] +pub enum Error { + #[error(transparent)] + Host(#[from] HostError), +} + +pub fn default_account_ledger_entry(account_id: AccountId) -> LedgerEntry { + // TODO: Consider moving the definition of a default account ledger entry to + // a location shared by the SDK and CLI. The SDK currently defines the same + // value (see URL below). There's some benefit in only defining this once to + // prevent the two from diverging, which would cause inconsistent test + // behavior between the SDK and CLI. A good home for this is unclear at this + // time. + // https://github.com/stellar/rs-soroban-sdk/blob/b6f9a2c7ec54d2d5b5a1e02d1e38ae3158c22e78/soroban-sdk/src/accounts.rs#L470-L483. + LedgerEntry { + data: LedgerEntryData::Account(AccountEntry { + account_id, + balance: 0, + flags: 0, + home_domain: StringM::default(), + inflation_dest: None, + num_sub_entries: 0, + seq_num: SequenceNumber(0), + thresholds: Thresholds([1; 4]), + signers: VecM::default(), + ext: AccountEntryExt::V0, + }), + last_modified_ledger_seq: 0, + ext: LedgerEntryExt::V0, + } +} diff --git a/wrangler/src/utils.rs b/wrangler/src/utils.rs new file mode 100644 index 0000000..2e1c309 --- /dev/null +++ b/wrangler/src/utils.rs @@ -0,0 +1,25 @@ +use cfg_if::cfg_if; + +cfg_if! { + // https://github.com/rustwasm/console_error_panic_hook#readme + if #[cfg(feature = "console_error_panic_hook")] { + extern crate console_error_panic_hook; + pub use self::console_error_panic_hook::set_once as set_panic_hook; + } else { + #[inline] + pub fn set_panic_hook() {} + } +} + +pub trait Flatten { + fn flatten(self) -> Option; +} + +impl Flatten for Result { + fn flatten(self) -> Option { + match self { + Err(_) => None, + Ok(v) => Some(v), + } + } +} diff --git a/wrangler/wrangler.toml b/wrangler/wrangler.toml new file mode 100644 index 0000000..77a2b9e --- /dev/null +++ b/wrangler/wrangler.toml @@ -0,0 +1,15 @@ +workers_dev = true +compatibility_date = "2023-02-02" +account_id = "ba55b7ae9acfb3ed152103e3497c0752" +usage_model = "unbound" + +main = "build/worker/shim.mjs" +rules = [{ globs=["**/*.wasm"], type = "CompiledWasm", fallthrough = false }] +build = { command = "worker-build --release" } + +# Staging environment as default +name = "fca00c-dev" + +vars = { ENVIRONMENT = "dev", ASTEROIDS_SEED="8891", SOROBAN_CPU_BUDGET="16000000000" } +# Necessary secrets are: +# - JWT_SECRET \ No newline at end of file