feat: add zig-version of CPI program (#5)

* feat: add zig-version of CPI program

* actualize dep

* use tag instead of commit sha

* add forgotten cpi program to CI step

Author: sonicfromnewyoke

.github/workflows/main.yml

@@ -13,7 +13,7 @@ jobs:
     name: Run tests against Zig implementations
     strategy:
       matrix:
-        program: [helloworld, transfer-lamports]
+        program: [helloworld, transfer-lamports, cpi]
       fail-fast: false
     runs-on: ubuntu-latest
     steps:

README.md

@@ -180,3 +180,4 @@ the address and `invoke_signed` to CPI to the system program.
 | Language | CU Usage |
 | --- | --- |
 | Rust | 3662 |
+| Zig | 3141 |

cpi/zig/build.zig

@@ -0,0 +1,25 @@
+const std = @import("std");
+const solana = @import("solana-program-sdk");
+
+pub fn build(b: *std.Build) !void {
+    const target = b.resolveTargetQuery(solana.sbf_target);
+    const optimize = .ReleaseFast;
+
+    const dep_opts = .{ .target = target, .optimize = optimize };
+
+    const solana_lib_dep = b.dependency("solana-program-library", dep_opts);
+    const solana_lib_mod = solana_lib_dep.module("solana-program-library");
+
+    const program = b.addSharedLibrary(.{
+        .name = "solana_program_rosetta_cpi",
+        .root_source_file = b.path("main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    program.root_module.addImport("solana-program-library", solana_lib_mod);
+
+    _ = solana.buildProgram(b, program, target, optimize);
+
+    b.installArtifact(program);
+}

cpi/zig/build.zig.zon

@@ -0,0 +1,46 @@
+.{
+    .name = "solana-program-rosetta-cpi-zig",
+    // This is a [Semantic Version](https://semver.org/).
+    // In a future version of Zig it will be used for package deduplication.
+    .version = "0.13.0",
+
+    // This field is optional.
+    // This is currently advisory only; Zig does not yet do anything
+    // with this value.
+    .minimum_zig_version = "0.13.0",
+
+    // This field is optional.
+    // Each dependency must either provide a `url` and `hash`, or a `path`.
+    // `zig build --fetch` can be used to fetch all dependencies of a package, recursively.
+    // Once all dependencies are fetched, `zig build` no longer requires
+    // internet connectivity.
+    .dependencies = .{
+        .base58 = .{
+            .url = "https://github.com/joncinque/base58-zig/archive/refs/tags/v0.13.3.tar.gz",
+            .hash = "1220fd067bf167b9062cc29ccf715ff97643c2d3f8958beea863b6036876bb71bcb8",
+        },
+        .@"solana-program-sdk" = .{
+            .url = "https://github.com/joncinque/solana-program-sdk-zig/archive/refs/tags/v0.13.1.tar.gz",
+            .hash = "122030336f1257e3c0aa64243f5243f554b903c6b9ef3a91d48bfbe896c0c7d9b13b",
+        },
+        .@"solana-program-library" = .{
+            .url = "https://github.com/joncinque/solana-program-library-zig/archive/refs/tags/v0.13.1.tar.gz",
+            .hash = "12208555f3e41bfba0ac89c4a7c6884595c78aa5d4ff4f99869c7ae0e396fd762448",
+        },
+    },
+
+    // Specifies the set of files and directories that are included in this package.
+    // Only files and directories listed here are included in the `hash` that
+    // is computed for this package.
+    // Paths are relative to the build root. Use the empty string (`""`) to refer to
+    // the build root itself.
+    // A directory listed here means that all files within, recursively, are included.
+    .paths = .{
+        // For example...
+        "build.zig",
+        "build.zig.zon",
+        "src",
+        "../../LICENSE",
+        "../../README.md",
+    },
+}

cpi/zig/main.zig

@@ -0,0 +1,31 @@
+const sol = @import("solana-program-sdk");
+const sol_lib = @import("solana-program-library");
+
+const system_ix = sol_lib.system;
+const SIZE = 42;
+
+export fn entrypoint(input: [*]u8) u64 {
+    const context = sol.Context.load(input) catch return 1;
+    const accounts = context.loadRawAccounts(sol.allocator) catch return 1;
+    defer accounts.deinit();
+
+    const allocated = accounts.items[0];
+
+    const expected_allocated_key = sol.PublicKey.createProgramAddress(
+        &.{ "You pass butter", &.{context.data[0]} },
+        context.program_id.*,
+    ) catch return 1;
+
+    // allocated key does not match the derived address
+    if (!allocated.id().equals(expected_allocated_key)) return 1;
+
+    // Invoke the system program to allocate account data
+    system_ix.allocate(
+        sol.allocator,
+        allocated.info(),
+        SIZE,
+        .{ .seeds = &.{&.{ "You pass butter", &.{context.data[0]} }} },
+    ) catch return 1;
+
+    return 0;
+}

helloworld/zig/build.zig

@@ -1,6 +1,5 @@
 const std = @import("std");
 const solana = @import("solana-program-sdk");
-const base58 = @import("base58");
 
 pub fn build(b: *std.Build) !void {
     const target = b.resolveTargetQuery(solana.sbf_target);

helloworld/zig/build.zig.zon

@@ -19,10 +19,6 @@
             .url = "https://github.com/joncinque/base58-zig/archive/refs/tags/v0.13.3.tar.gz",
             .hash = "1220fd067bf167b9062cc29ccf715ff97643c2d3f8958beea863b6036876bb71bcb8",
         },
-        .clap = .{
-            .url = "https://github.com/Hejsil/zig-clap/archive/refs/tags/0.9.1.tar.gz",
-            .hash = "122062d301a203d003547b414237229b09a7980095061697349f8bef41be9c30266b",
-        },
         .@"solana-program-sdk" = .{
             .url = "https://github.com/joncinque/solana-program-sdk-zig/archive/refs/tags/v0.13.1.tar.gz",
             .hash = "122030336f1257e3c0aa64243f5243f554b903c6b9ef3a91d48bfbe896c0c7d9b13b",

transfer-lamports/zig/build.zig

@@ -1,6 +1,5 @@
 const std = @import("std");
 const solana = @import("solana-program-sdk");
-const base58 = @import("base58");
 
 pub fn build(b: *std.Build) !void {
     const target = b.resolveTargetQuery(solana.sbf_target);

transfer-lamports/zig/build.zig.zon

@@ -19,10 +19,6 @@
             .url = "https://github.com/joncinque/base58-zig/archive/refs/tags/v0.13.3.tar.gz",
             .hash = "1220fd067bf167b9062cc29ccf715ff97643c2d3f8958beea863b6036876bb71bcb8",
         },
-        .clap = .{
-            .url = "https://github.com/Hejsil/zig-clap/archive/refs/tags/0.9.1.tar.gz",
-            .hash = "122062d301a203d003547b414237229b09a7980095061697349f8bef41be9c30266b",
-        },
         .@"solana-program-sdk" = .{
             .url = "https://github.com/joncinque/solana-program-sdk-zig/archive/refs/tags/v0.13.1.tar.gz",
             .hash = "122030336f1257e3c0aa64243f5243f554b903c6b9ef3a91d48bfbe896c0c7d9b13b",