datachainlab / lcp-solidity

lcp-solidity

lcp-solidity is an implementation of lcp client in solidity. It can be integrated with ibc-solidity.

An e2e demo is available here.

DISCLAIMER: This repository has not been audited yet, so use it at your own risk.

Gas cost

• registerEnclaveKey: 500k: first registration in the client or signing key changed(very rare)
• registerEnclaveKey: 160k
• updateState: 71k
• verifyMembership: 15k
• verifyNonMembership: 14k

How to generate test data

You can find the LCP commitment data for the test in ./test/data.

Also, you can generate the test data with the following steps:

$ git clone https://github.com/datachainlab/lcp-cgen
$ cd ./lcp-cgen
# if execute it under non-sgx environment, you must enable anoption `--features=simulation`
$ cargo build -r --features=simulation
# Example for using RA simulation
$ export LCP_PATH=/path/to/lcp-repo
$ ./target/release/lcp-cgen \
    --simulate \
    --signing_cert_path=${LCP_PATH}/tests/certs/signing.crt.der \
    --signing_key=${LCP_PATH}/tests/certs/signing.key \
    --enclave=${LCP_PATH}/bin/enclave.signed.so \
    --out=/path/to/testdatadir \
    --eknum=1 \
    --commands \
        wait_blocks:1 \
        update_client:0 \
        verify_channel:0 \
        wait_blocks:1 \
        update_client:0 \
        verify_packet:0 \
        verify_packet_receipt_absence:0