Query farmer's KYC profile
fn get_farmer(
env: soroban_sdk::Env,
farmer: soroban_sdk::Address,
) -> Option
Verify a farmer's KYC, set compliance score and verify land ownership credentials
fn verify_kyc(
env: soroban_sdk::Env,
farmer: soroban_sdk::Address,
compliance_score: u32,
land_verified: bool,
) -> bool
Register a new farmer profile in G.A.P.A.S. platform
fn register_farmer(
env: soroban_sdk::Env,
farmer: soroban_sdk::Address,
name: soroban_sdk::String,
location: soroban_sdk::String,
) -> bool