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Some progress towards enabling wasmd on macOS #22

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27 changes: 22 additions & 5 deletions packages/wasmd/default.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,11 @@
buildGoModule,
autoPatchelfHook,
}:
let
wasmvmLib = if stdenv.isLinux then "libwasmvm.x86_64.so"
else if stdenv.isDarwin then "libwasmvm.dylib"
else throw "platform not supported";
in
buildGoModule rec {
pname = "wasmd";
version = "0.14.99";
Expand All @@ -19,21 +24,33 @@ buildGoModule rec {

subPackages = ["cmd/wasmd"];

buildInputs = [autoPatchelfHook];
buildInputs = [] ++ lib.optional stdenv.isLinux [autoPatchelfHook];

postBuild = ''
mkdir -p "$out/lib"
# TODO: The correct binary below should depend on the current OS and CPU
cp "$GOPATH/pkg/mod/github.com/!cosm!wasm/[email protected]/api/libwasmvm.x86_64.so" "$out/lib"
cp "$GOPATH/pkg/mod/github.com/!cosm!wasm/[email protected]/api/${wasmvmLib}" "$out/lib"
'';

postInstall = ''
postInstall = if stdenv.isLinux then ''
addAutoPatchelfSearchPath "$out/lib"
# TODO: autoPatchElf is Linux-specific. We need a cross-platform solution
autoPatchelf -- "$out/bin"
'';
'' else
# TODO
# The package is still not working because we are missing the equivalent
# of autopatchelf for macOS. The "libwasmvm.dylib" is currently distributed
# as a pre-built binary by the wasmd team (it's stored in git). This leads
# to the final wasmd binary having a `rpath` which cannot be satisfied at
# run-time with Nix.
"";

vendorSha256 = if stdenv.isLinux then
"sha256-4vW1+vGOwbaE6fVXtHjKMheX9UpiY7WVh7QCC57QQUM="
else if stdenv.isDarwin then
"sha256-vACKDwUP52iSjb0DC+dIuNrOeBMLnKBDYsNpQrq3IqI="
else "";

vendorSha256 = "sha256-4vW1+vGOwbaE6fVXtHjKMheX9UpiY7WVh7QCC57QQUM=";
doCheck = false;
meta = with lib; {
description = "Basic cosmos-sdk app with web assembly smart contracts";
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2 changes: 1 addition & 1 deletion shell.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -12,12 +12,12 @@ with pkgs;
# Packages defined in this repo
metacraft-labs.cosmos-theta-testnet
metacraft-labs.circom
metacraft-labs.wasmd
metacraft-labs.circ
]
++ lib.optionals (!stdenv.isDarwin) [
# Solana is still not compatible with macOS on M1
metacraft-labs.solana
metacraft-labs.wasmd
];

shellHook = ''
Expand Down