As an E2E example of a contract employing ecrecover

[Nana-EC]

Problem

ecrecover and it's usage is a very EVM centric flow and it's not clear to Hedera developers how this may be utilized using the SDK and JS only (no EVM tools like ethers)

Solution

Add an E2E example that

• deploys a contract using ecrecover
• signs and hashes a message in accordance with ecrecover signature
• recovers the signers address from the smart contract

Here's an example from Smart Contract Repo

• contract - https://github.com/hashgraph/hedera-smart-contracts/blob/main/contracts/system-contracts/native/EcrecoverCaller.sol#L8
• js code - https://github.com/hashgraph/hedera-smart-contracts/blob/main/test/system-contracts/native/EcrecoverCaller.js

Additional info

• https://docs.ethers.org/v6/cookbook/signing/
• https://eips.ethereum.org/EIPS/eip-191

Alternatives

No response