functions instead of abi

[brohamgoham]

Pull Request Description

endpoint /v1/contract_interactions/base_asset_id/{assetId}/contract_address/{contractAddress}/functions is pointing to v1/contract_interactions/base_asset_id/{assetId}/contract_address/{contractAddress}/abi

changed abi -> functions path param

Fixes (link to the issue here)

Type of change

Please delete options that are not relevant.

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Chore / Documentation
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)