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Atlantic & Provable ETH Call
Maciej Sulecki•20.11.2025•StarkConnect, Buenos Aires

Atlantic & Provable ETH Call

Installation

Install HDP using the official installation script:

curl -fsSL https://raw.githubusercontent.com/HerodotusDev/hdp-cairo/main/install-cli.sh | bash

Setup

Navigate to the HDP directory:

cd $(hdp pwd)

Create a .env file:

cat > .env << 'EOF'
RPC_URL_ETHEREUM_MAINNET=<your rpc provider>
RPC_URL_ETHEREUM_TESTNET=<your rpc provider>
RPC_URL_HERODOTUS_INDEXER=https://rs-indexer.api.herodotus.cloud/
EOF

Running the Example

  1. Explore the example code:

    code ./examples/eth_call

  2. Execute the ETH call example:

    ./examples/eth_call/run.sh

  3. Prove and verify

    Get your API key at herodotus.cloud

    ./examples/eth_call/prove_and_verify.sh <api-key>