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pyth-crosschain/target_chains/near/README.md

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Pyth NEAR

This directory contains the Pyth contract for NEAR, examples, and utilities to deploy. Within the example/ directory you will find an example skeleton NEAR contract that updates and uses several prices. You can find payloads to test with from the Hermes API. Additionally see the scripts/update.sh script for an example of how to manually submit a price update from the CLI.

Deployment

Deploying the NEAR contract has three steps:

  1. Create a NEAR key with near generate-key
  2. Fetch NEAR tokens from an available faucet, at last deploy around 100~ NEAR were needed.
  3. See the example deploy script in scripts/deploy.sh to deploy the contract. You can find a codehash by:
    • sha256sum pyth.wasm after building the contract.
    • list(bytes.fromhex(hash)) in Python to get a byte array.
    • Replace the codehash field in deploy.sh for the initial codehash.
    • Replace the sources with the keys expected by the network you're deploying on (testnet vs mainnet).

Further Documentation

You can find more in-depth documentation on the Pyth Website for a more in-depth guide to working with Pyth concepts in general in the context of NEAR.