{"id":18674134,"url":"https://github.com/nervosnetwork/wasm-secp256k1-test","last_synced_at":"2026-04-02T01:35:07.034Z","repository":{"id":38339248,"uuid":"213618226","full_name":"nervosnetwork/wasm-secp256k1-test","owner":"nervosnetwork","description":"A demo showcasing running WASM programs on CKB VM","archived":false,"fork":false,"pushed_at":"2023-07-22T18:11:48.000Z","size":13,"stargazers_count":4,"open_issues_count":3,"forks_count":1,"subscribers_count":6,"default_branch":"master","last_synced_at":"2025-08-03T17:54:33.941Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"Rust","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/nervosnetwork.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2019-10-08T10:54:52.000Z","updated_at":"2024-01-24T06:31:44.000Z","dependencies_parsed_at":"2025-08-03T17:33:25.582Z","dependency_job_id":"7ac9277c-0884-46b4-959b-ca3c90beafd1","html_url":"https://github.com/nervosnetwork/wasm-secp256k1-test","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/nervosnetwork/wasm-secp256k1-test","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nervosnetwork%2Fwasm-secp256k1-test","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nervosnetwork%2Fwasm-secp256k1-test/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nervosnetwork%2Fwasm-secp256k1-test/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nervosnetwork%2Fwasm-secp256k1-test/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/nervosnetwork","download_url":"https://codeload.github.com/nervosnetwork/wasm-secp256k1-test/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nervosnetwork%2Fwasm-secp256k1-test/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31293956,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-02T01:05:07.454Z","status":"ssl_error","status_checked_at":"2026-04-02T00:56:46.496Z","response_time":53,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-07T09:17:42.287Z","updated_at":"2026-04-02T01:35:07.019Z","avatar_url":"https://github.com/nervosnetwork.png","language":"Rust","funding_links":[],"categories":[],"sub_categories":[],"readme":"# wasm-secp256k1-test\n\nThis is test showing that we can compile WASM code to RISC-V directly, and run the resulting binary directly on CKB VM.\n\n# How to use this:\n\n```bash\n$ git clone --recursive https://github.com/WebAssembly/wabt\n$ cd wabt\n$ export WABT_PATH=`pwd`\n$ mkdir build\n$ cd build\n$ cmake ..\n$ cmake --build .\n$ cd ../..\n$ git clone https://github.com/nervosnetwork/wasm-secp256k1-test\n$ cd wasm-secp256k1-test\n$ cargo build --release --target=wasm32-unknown-unknown\n$ $WABT_PATH/bin/wasm2c target/wasm32-unknown-unknown/release/wasm-secp256k1-test.wasm -o secp.c\n$ cd ..\n$ sudo docker run --rm -it -v `pwd`:/code nervos/ckb-riscv-gnu-toolchain:xenial bash\n(docker) $ cd /code/wasm-secp256k1-test\n(docker) $ riscv64-unknown-elf-gcc -o secp_riscv64 -O3 -g main.c secp.c /code/wabt/wasm2c/wasm-rt-impl.c -I /code/wabt/wasm2c\n(docker) $ exit\n```\n\nNow you will have a secp_riscv64 binary to play with in CKB VM. One way to run it, is to take advantage of CKB VM binaries used in CKB VM test suite:\n\n```bash\n$ git clone https://github.com/nervosnetwork/ckb-vm-test-suite\n$ git submodule update --init --recursive\n$ cd ckb-vm-test-suite\n$ git clone https://github.com/nervosnetwork/ckb-vm\n$ cd binary\n$ cargo build --release\n$ ./target/release/asm64 ../../wasm-secp256k1-test/secp_riscv64 1\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnervosnetwork%2Fwasm-secp256k1-test","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnervosnetwork%2Fwasm-secp256k1-test","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnervosnetwork%2Fwasm-secp256k1-test/lists"}