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Tangle-Subxt

Rust interface to interact with tangle node via RPC


Downloading metadata from a Substrate node

Use the subxt-cli tool to download the metadata for your target runtime from a node.

  1. Install:
cargo install [email protected] --force
  1. To Save the metadata of tangle: Run the release build of the tangle node, then on another terminal run:
subxt metadata -f bytes > ./metadata/tangle-testnet-runtime.scale
  1. Generating the subxt code from the metadata:
subxt codegen --file metadata/tangle-testnet-runtime.scale \
    --crate "::subxt_core" \
    --derive Clone \
    --derive Eq \
    --derive PartialEq \
    --attributes-for-type tangle_primitives::services::field::Field='#[codec(dumb_trait_bound)]' \
    --derive-for-type tangle_primitives::services::ServiceBlueprint=serde::Serialize,recursive \
    --derive-for-type tangle_primitives::services::ServiceBlueprint=serde::Deserialize,recursive | rustfmt --edition=2021 --emit=stdout > src/tangle_testnet_runtime.rs

Local Testing

You can run following tests to trigger Job pallet events for local development.

  1. Run Local Tangle network
./scripts/run-standalone-local.sh --clean
  1. Run Test
cargo test test_job_submission_event